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CEF4Delphi/source/uFMXChromium.pas

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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2018 Salvador Diaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
unit uFMXChromium;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
{$I cef.inc}
interface
uses
System.Classes, System.Types,
{$IFDEF MSWINDOWS}
WinApi.Windows, WinApi.Messages,
{$ENDIF}
FMX.Types, FMX.Platform, FMX.Controls, FMX.Forms,
uCEFTypes, uCEFInterfaces, uCEFLibFunctions, uCEFMiscFunctions, uCEFClient,
uCEFConstants, uCEFTask, uCEFChromiumEvents, uCEFChromiumOptions, uCEFChromiumFontOptions,
uCEFPDFPrintOptions;
type
TFMXChromium = class(TComponent, IChromiumEvents)
protected
FHandler : ICefClient;
FBrowser : ICefBrowser;
FBrowserId : Integer;
FDefaultUrl : ustring;
FOptions : TChromiumOptions;
FFontOptions : TChromiumFontOptions;
FPDFPrintOptions : TPDFPrintOptions;
FDefaultEncoding : ustring;
FProxyType : integer;
FProxyScheme : TCefProxyScheme;
FProxyServer : ustring;
FProxyPort : integer;
FProxyUsername : ustring;
FProxyPassword : ustring;
FProxyScriptURL : ustring;
FProxyByPassList : ustring;
FUpdatePreferences : boolean;
FCustomHeaderName : ustring;
FCustomHeaderValue : ustring;
FAddCustomHeader : boolean;
FDoNotTrack : boolean;
FSendReferrer : boolean;
FHyperlinkAuditing : boolean;
FRunAllFlashInAllowMode : boolean;
FAllowOutdatedPlugins : boolean;
FAlwaysAuthorizePlugins : boolean;
FSpellChecking : boolean;
FSpellCheckerDicts : ustring;
FCookiePrefs : integer;
FImagesPrefs : integer;
FZoomStep : byte;
FPrefsFileName : string;
FIsOSR : boolean;
FInitialized : boolean;
FClosing : boolean;
FWindowInfo : TCefWindowInfo;
FBrowserSettings : TCefBrowserSettings;
FDevWindowInfo : TCefWindowInfo;
FDevBrowserSettings : TCefBrowserSettings;
FDragOperations : TCefDragOperations;
FDragAndDropInitialized : boolean;
FWebRTCIPHandlingPolicy : TCefWebRTCHandlingPolicy;
FWebRTCMultipleRoutes : TCefState;
FWebRTCNonProxiedUDP : TCefState;
{$IFDEF MSWINDOWS}
FOldBrowserCompWndPrc : TFNWndProc;
FOldWidgetCompWndPrc : TFNWndProc;
FOldRenderCompWndPrc : TFNWndProc;
FBrowserCompHWND : THandle;
FWidgetCompHWND : THandle;
FRenderCompHWND : THandle;
FBrowserCompStub : Pointer;
FWidgetCompStub : Pointer;
FRenderCompStub : Pointer;
{$ENDIF}
// ICefClient
FOnProcessMessageReceived : TOnProcessMessageReceived;
// ICefLoadHandler
FOnLoadStart : TOnLoadStart;
FOnLoadEnd : TOnLoadEnd;
FOnLoadError : TOnLoadError;
FOnLoadingStateChange : TOnLoadingStateChange;
// ICefFocusHandler
FOnTakeFocus : TOnTakeFocus;
FOnSetFocus : TOnSetFocus;
FOnGotFocus : TOnGotFocus;
// ICefContextMenuHandler
FOnBeforeContextMenu : TOnBeforeContextMenu;
FOnRunContextMenu : TOnRunContextMenu;
FOnContextMenuCommand : TOnContextMenuCommand;
FOnContextMenuDismissed : TOnContextMenuDismissed;
// ICefKeyboardHandler
FOnPreKeyEvent : TOnPreKeyEvent;
FOnKeyEvent : TOnKeyEvent;
// ICefDisplayHandler
FOnAddressChange : TOnAddressChange;
FOnTitleChange : TOnTitleChange;
FOnFavIconUrlChange : TOnFavIconUrlChange;
FOnFullScreenModeChange : TOnFullScreenModeChange;
FOnTooltip : TOnTooltip;
FOnStatusMessage : TOnStatusMessage;
FOnConsoleMessage : TOnConsoleMessage;
FOnAutoResize : TOnAutoResize;
FOnLoadingProgressChange : TOnLoadingProgressChange;
// ICefDownloadHandler
FOnBeforeDownload : TOnBeforeDownload;
FOnDownloadUpdated : TOnDownloadUpdated;
// ICefJsDialogHandler
FOnJsdialog : TOnJsdialog;
FOnBeforeUnloadDialog : TOnBeforeUnloadDialog;
FOnResetDialogState : TOnResetDialogState;
FOnDialogClosed : TOnDialogClosed;
// ICefLifeSpanHandler
FOnBeforePopup : TOnBeforePopup;
FOnAfterCreated : TOnAfterCreated;
FOnBeforeClose : TOnBeforeClose;
FOnClose : TOnClose;
// ICefRequestHandler
FOnBeforeBrowse : TOnBeforeBrowse;
FOnOpenUrlFromTab : TOnOpenUrlFromTab;
FOnBeforeResourceLoad : TOnBeforeResourceLoad;
FOnGetResourceHandler : TOnGetResourceHandler;
FOnResourceRedirect : TOnResourceRedirect;
FOnResourceResponse : TOnResourceResponse;
FOnGetResourceResponseFilter : TOnGetResourceResponseFilter;
FOnResourceLoadComplete : TOnResourceLoadComplete;
FOnGetAuthCredentials : TOnGetAuthCredentials;
FOnCanGetCookies : TOnCanGetCookies;
FOnCanSetCookie : TOnCanSetCookie;
FOnQuotaRequest : TOnQuotaRequest;
FOnProtocolExecution : TOnProtocolExecution;
FOnCertificateError : TOnCertificateError;
FOnSelectClientCertificate : TOnSelectClientCertificate;
FOnPluginCrashed : TOnPluginCrashed;
FOnRenderViewReady : TOnRenderViewReady;
FOnRenderProcessTerminated : TOnRenderProcessTerminated;
// ICefDialogHandler
FOnFileDialog : TOnFileDialog;
// ICefRenderHandler
FOnGetAccessibilityHandler : TOnGetAccessibilityHandler;
FOnGetRootScreenRect : TOnGetRootScreenRect;
FOnGetViewRect : TOnGetViewRect;
FOnGetScreenPoint : TOnGetScreenPoint;
FOnGetScreenInfo : TOnGetScreenInfo;
FOnPopupShow : TOnPopupShow;
FOnPopupSize : TOnPopupSize;
FOnPaint : TOnPaint;
FOnCursorChange : TOnCursorChange;
FOnScrollOffsetChanged : TOnScrollOffsetChanged;
FOnIMECompositionRangeChanged : TOnIMECompositionRangeChanged;
FOnTextSelectionChanged : TOnTextSelectionChanged;
// ICefDragHandler
FOnDragEnter : TOnDragEnter;
FOnDraggableRegionsChanged : TOnDraggableRegionsChanged;
// ICefFindHandler
FOnFindResult : TOnFindResult;
// Custom
FOnTextResultAvailable : TOnTextResultAvailableEvent;
FOnPdfPrintFinished : TOnPdfPrintFinishedEvent;
FOnCookiesDeleted : TOnCookiesDeletedEvent;
FOnResolvedHostAvailable : TOnResolvedIPsAvailableEvent;
{$IFDEF MSWINDOWS}
FOnBrowserCompMsg : TOnCompMsgEvent;
FOnWidgetCompMsg : TOnCompMsgEvent;
FOnRenderCompMsg : TOnCompMsgEvent;
{$ENDIF}
function GetIsLoading : boolean;
function GetMultithreadApp : boolean;
function GetHasDocument : boolean;
function GetHasView : boolean;
function GetHasDevTools : boolean;
function GetHasClientHandler : boolean;
function GetHasBrowser : boolean;
function GetCanGoBack : boolean;
function GetCanGoForward : boolean;
function GetDocumentURL : ustring;
function GetZoomLevel : double;
function GetZoomPct : double;
function GetIsPopUp : boolean;
function GetWindowHandle : THandle;
function GetWindowlessFrameRate : integer;
function GetFrameIsFocused : boolean;
function GetInitialized : boolean;
function GetVisibleNavigationEntry : ICefNavigationEntry;
function GetHasValidMainFrame : boolean;
function GetFrameCount : NativeUInt;
function GetRequestContextCache : ustring;
function GetRequestContextIsGlobal : boolean;
procedure SetDoNotTrack(aValue : boolean);
procedure SetSendReferrer(aValue : boolean);
procedure SetHyperlinkAuditing(aValue : boolean);
procedure SetRunAllFlashInAllowMode(aValue : boolean);
procedure SetAllowOutdatedPlugins(aValue : boolean);
procedure SetAlwaysAuthorizePlugins(aValue : boolean);
procedure SetSpellChecking(aValue : boolean);
procedure SetSpellCheckerDicts(const aValue : ustring);
procedure SetWebRTCIPHandlingPolicy(aValue : TCefWebRTCHandlingPolicy);
procedure SetWebRTCMultipleRoutes(aValue : TCefState);
procedure SetWebRTCNonProxiedUDP(aValue : TCefState);
procedure SetCookiePrefs(aValue : integer);
procedure SetImagesPrefs(aValue : integer);
procedure SetProxyType(aValue : integer);
procedure SetProxyScheme(aValue : TCefProxyScheme);
procedure SetProxyServer(const aValue : ustring);
procedure SetProxyPort(aValue : integer);
procedure SetProxyUsername(const aValue : ustring);
procedure SetProxyPassword(const aValue : ustring);
procedure SetProxyScriptURL(const aValue : ustring);
procedure SetProxyByPassList(const aValue : ustring);
procedure SetCustomHeaderName(const aValue : ustring);
procedure SetCustomHeaderValue(const aValue : ustring);
procedure SetZoomLevel(const aValue : double);
procedure SetZoomPct(const aValue : double);
procedure SetZoomStep(aValue : byte);
procedure SetWindowlessFrameRate(aValue : integer);
function CreateBrowserHost(aWindowInfo : PCefWindowInfo; const aURL : ustring; const aSettings : PCefBrowserSettings; const aContext : ICefRequestContext): boolean;
function CreateBrowserHostSync(aWindowInfo : PCefWindowInfo; const aURL : ustring; const aSettings : PCefBrowserSettings; const aContext : ICefRequestContext): boolean;
procedure DestroyClientHandler;
procedure ClearBrowserReference;
procedure InitializeEvents;
procedure InitializeSettings(var aSettings : TCefBrowserSettings);
procedure GetPrintPDFSettings(var aSettings : TCefPdfPrintSettings; const aTitle, aURL : ustring);
function UpdateProxyPrefs(const aBrowser: ICefBrowser) : boolean;
function UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; aValue : boolean) : boolean; overload;
function UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; aValue : integer) : boolean; overload;
function UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; const aValue : double) : boolean; overload;
function UpdatePreference(const aBrowser: ICefBrowser; const aName, aValue : ustring) : boolean; overload;
function UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; const aValue : TStringList) : boolean; overload;
function UpdateStringListPref(const aBrowser: ICefBrowser; const aName, aValue : ustring) : boolean;
procedure HandleDictionary(const aDict : ICefDictionaryValue; var aResultSL : TStringList; const aRoot : string);
procedure HandleNull(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleBool(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleInteger(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleDouble(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleString(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleBinary(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleList(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleInvalid(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
function MustCreateLoadHandler : boolean; virtual;
function MustCreateFocusHandler : boolean; virtual;
function MustCreateContextMenuHandler : boolean; virtual;
function MustCreateDialogHandler : boolean; virtual;
function MustCreateKeyboardHandler : boolean; virtual;
function MustCreateDisplayHandler : boolean; virtual;
function MustCreateDownloadHandler : boolean; virtual;
function MustCreateJsDialogHandler : boolean; virtual;
function MustCreateDragHandler : boolean; virtual;
function MustCreateFindHandler : boolean; virtual;
procedure ApplyZoomStep;
function GetParentForm : TCustomForm;
{$IFDEF MSWINDOWS}
procedure FreeAndNilStub(var aStub : pointer);
procedure CreateStub(const aMethod : TWndMethod; var aStub : Pointer);
procedure BrowserCompWndProc(var aMessage: TMessage);
procedure WidgetCompWndProc(var aMessage: TMessage);
procedure RenderCompWndProc(var aMessage: TMessage);
{$ENDIF}
// IChromiumEvents
procedure GetSettings(var aSettings : TCefBrowserSettings);
// ICefClient
function doOnProcessMessageReceived(const browser: ICefBrowser; sourceProcess: TCefProcessId; const aMessage: ICefProcessMessage): Boolean; virtual;
// ICefLoadHandler
procedure doOnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType); virtual;
procedure doOnLoadEnd(const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer); virtual;
procedure doOnLoadError(const browser: ICefBrowser; const frame: ICefFrame; errorCode: TCefErrorCode; const errorText, failedUrl: ustring); virtual;
procedure doOnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean); virtual;
// ICefFocusHandler
procedure doOnTakeFocus(const browser: ICefBrowser; next: Boolean); virtual;
function doOnSetFocus(const browser: ICefBrowser; source: TCefFocusSource): Boolean; virtual;
procedure doOnGotFocus(const browser: ICefBrowser); virtual;
// ICefContextMenuHandler
procedure doOnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); virtual;
function doRunContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel; const callback: ICefRunContextMenuCallback): Boolean; virtual;
function doOnContextMenuCommand(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: TCefEventFlags): Boolean; virtual;
procedure doOnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); virtual;
// ICefKeyboardHandler
function doOnPreKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: TCefEventHandle; out isKeyboardShortcut: Boolean): Boolean; virtual;
function doOnKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: TCefEventHandle): Boolean; virtual;
// ICefDisplayHandler
procedure doOnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring); virtual;
procedure doOnTitleChange(const browser: ICefBrowser; const title: ustring); virtual;
procedure doOnFaviconUrlChange(const browser: ICefBrowser; const iconUrls: TStrings); virtual;
procedure doOnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean); virtual;
function doOnTooltip(const browser: ICefBrowser; var text: ustring): Boolean; virtual;
procedure doOnStatusMessage(const browser: ICefBrowser; const value: ustring); virtual;
function doOnConsoleMessage(const browser: ICefBrowser; level: TCefLogSeverity; const aMessage, source: ustring; line: Integer): Boolean; virtual;
function doOnAutoResize(const browser: ICefBrowser; const new_size: PCefSize): Boolean; virtual;
procedure doOnLoadingProgressChange(const browser: ICefBrowser; const progress: double); virtual;
// ICefDownloadHandler
procedure doOnBeforeDownload(const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const suggestedName: ustring; const callback: ICefBeforeDownloadCallback); virtual;
procedure doOnDownloadUpdated(const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const callback: ICefDownloadItemCallback); virtual;
// ICefJsDialogHandler
function doOnJsdialog(const browser: ICefBrowser; const originUrl: ustring; dialogType: TCefJsDialogType; const messageText, defaultPromptText: ustring; const callback: ICefJsDialogCallback; out suppressMessage: Boolean): Boolean; virtual;
function doOnBeforeUnloadDialog(const browser: ICefBrowser; const messageText: ustring; isReload: Boolean; const callback: ICefJsDialogCallback): Boolean; virtual;
procedure doOnResetDialogState(const browser: ICefBrowser); virtual;
procedure doOnDialogClosed(const browser: ICefBrowser); virtual;
// ICefLifeSpanHandler
function doOnBeforePopup(const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; const popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean): Boolean; virtual;
procedure doOnAfterCreated(const browser: ICefBrowser); virtual;
procedure doOnBeforeClose(const browser: ICefBrowser); virtual;
function doOnClose(const browser: ICefBrowser): Boolean; virtual;
// ICefRequestHandler
function doOnBeforeBrowse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; user_gesture, isRedirect: Boolean): Boolean; virtual;
function doOnOpenUrlFromTab(const browser: ICefBrowser; const frame: ICefFrame; const targetUrl: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean): Boolean; virtual;
function doOnBeforeResourceLoad(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const callback: ICefRequestCallback): TCefReturnValue; virtual;
function doOnGetResourceHandler(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest): ICefResourceHandler; virtual;
procedure doOnResourceRedirect(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var newUrl: ustring); virtual;
function doOnResourceResponse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse): Boolean; virtual;
function doOnGetResourceResponseFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse): ICefResponseFilter; virtual;
procedure doOnResourceLoadComplete(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; status: TCefUrlRequestStatus; receivedContentLength: Int64); virtual;
function doOnGetAuthCredentials(const browser: ICefBrowser; const frame: ICefFrame; isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring; const callback: ICefAuthCallback): Boolean; virtual;
function doCanGetCookies(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest): boolean; virtual;
function doCanSetCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const cookie : PCefCookie): boolean; virtual;
function doOnQuotaRequest(const browser: ICefBrowser; const originUrl: ustring; newSize: Int64; const callback: ICefRequestCallback): Boolean; virtual;
procedure doOnProtocolExecution(const browser: ICefBrowser; const url: ustring; out allowOsExecution: Boolean); virtual;
function doOnCertificateError(const browser: ICefBrowser; certError: TCefErrorcode; const requestUrl: ustring; const sslInfo: ICefSslInfo; const callback: ICefRequestCallback): Boolean; virtual;
function doOnSelectClientCertificate(const browser: ICefBrowser; isProxy: boolean; const host: ustring; port: integer; certificatesCount: NativeUInt; const certificates: TCefX509CertificateArray; const callback: ICefSelectClientCertificateCallback): boolean; virtual;
procedure doOnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring); virtual;
procedure doOnRenderViewReady(const browser: ICefBrowser); virtual;
procedure doOnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus); virtual;
// ICefDialogHandler
function doOnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode; const title, defaultFilePath: ustring; const acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefFileDialogCallback): Boolean; virtual;
// ICefRenderHandler
procedure doOnGetAccessibilityHandler(var aAccessibilityHandler : ICefAccessibilityHandler); virtual;
function doOnGetRootScreenRect(const browser: ICefBrowser; var rect: TCefRect): Boolean; virtual;
function doOnGetViewRect(const browser: ICefBrowser; var rect: TCefRect): Boolean; virtual;
function doOnGetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer; var screenX, screenY: Integer): Boolean; virtual;
function doOnGetScreenInfo(const browser: ICefBrowser; var screenInfo: TCefScreenInfo): Boolean; virtual;
procedure doOnPopupShow(const browser: ICefBrowser; show: Boolean); virtual;
procedure doOnPopupSize(const browser: ICefBrowser; const rect: PCefRect); virtual;
procedure doOnPaint(const browser: ICefBrowser; kind: TCefPaintElementType; dirtyRectsCount: NativeUInt; const dirtyRects: PCefRectArray; const buffer: Pointer; width, height: Integer); virtual;
procedure doOnCursorChange(const browser: ICefBrowser; cursor: TCefCursorHandle; cursorType: TCefCursorType; const customCursorInfo: PCefCursorInfo); virtual;
function doOnStartDragging(const browser: ICefBrowser; const dragData: ICefDragData; allowedOps: TCefDragOperations; x, y: Integer): Boolean; virtual;
procedure doOnUpdateDragCursor(const browser: ICefBrowser; operation: TCefDragOperation); virtual;
procedure doOnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double); virtual;
procedure doOnIMECompositionRangeChanged(const browser: ICefBrowser; const selected_range: PCefRange; character_boundsCount: NativeUInt; const character_bounds: PCefRect); virtual;
procedure doOnTextSelectionChanged(const browser: ICefBrowser; const selected_text: ustring; const selected_range: PCefRange); virtual;
// ICefDragHandler
function doOnDragEnter(const browser: ICefBrowser; const dragData: ICefDragData; mask: TCefDragOperations): Boolean; virtual;
procedure doOnDraggableRegionsChanged(const browser: ICefBrowser; regionsCount: NativeUInt; regions: PCefDraggableRegionArray); virtual;
// ICefFindHandler
procedure doOnFindResult(const browser: ICefBrowser; identifier, count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean); virtual;
// Custom
procedure doCookiesDeleted(numDeleted : integer); virtual;
procedure doPdfPrintFinished(aResultOK : boolean); virtual;
procedure doTextResultAvailable(const aText : ustring); virtual;
procedure doUpdatePreferences(const aBrowser: ICefBrowser); virtual;
procedure doUpdateOwnPreferences; virtual;
function doSavePreferences : boolean; virtual;
procedure doResolvedHostAvailable(result: TCefErrorCode; const resolvedIps: TStrings); virtual;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure AfterConstruction; override;
procedure BeforeDestruction; override;
function CreateClientHandler(aIsOSR : boolean = True) : boolean; overload;
function CreateClientHandler(var aClient : ICefClient; aIsOSR : boolean = True) : boolean; overload;
procedure CloseBrowser(aForceClose : boolean);
function ShareRequestContext(var aContext : ICefRequestContext; const aHandler : ICefRequestContextHandler = nil) : boolean;
function CreateBrowser(const aWindowName : ustring = ''; const aContext : ICefRequestContext = nil; const aCookiesPath : ustring = ''; aPersistSessionCookies : boolean = False) : boolean; overload; virtual;
{$IFDEF MSWINDOWS}
function CreateBrowser(aParentHandle : HWND; aParentRect : TRect; const aWindowName : ustring = ''; const aContext : ICefRequestContext = nil; const aCookiesPath : ustring = ''; aPersistSessionCookies : boolean = False) : boolean; overload; virtual;
{$ENDIF}
procedure LoadURL(const aURL : ustring; const aFrameName : ustring = ''); overload;
procedure LoadURL(const aURL : ustring; const aFrame : ICefFrame); overload;
procedure LoadURL(const aURL : ustring; const aFrameIdentifier : int64); overload;
procedure LoadString(const aString : ustring; const aURL : ustring = '');
procedure LoadRequest(const aRequest: ICefRequest);
procedure GoBack;
procedure GoForward;
procedure Reload;
procedure ReloadIgnoreCache;
procedure StopLoad;
procedure StartDownload(const aURL : ustring);
procedure SimulateMouseWheel(aDeltaX, aDeltaY : integer);
function DeleteCookies(const url : ustring = ''; const cookieName : ustring = '') : boolean;
procedure RetrieveHTML(const aFrameName : ustring = ''); overload;
procedure RetrieveHTML(const aFrame : ICefFrame); overload;
procedure RetrieveHTML(const aFrameIdentifier : int64); overload;
procedure RetrieveText(const aFrameName : ustring = ''); overload;
procedure RetrieveText(const aFrame : ICefFrame); overload;
procedure RetrieveText(const aFrameIdentifier : int64); overload;
function GetFrameNames(var aFrameNames : TStrings) : boolean;
function GetFrameIdentifiers(var aFrameCount : NativeUInt; var aFrameIdentifierArray : TCefFrameIdentifierArray) : boolean;
procedure ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrameName : ustring = ''; aStartLine : integer = 0); overload;
procedure ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrame : ICefFrame; aStartLine : integer = 0); overload;
procedure ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrameIdentifier : int64; aStartLine : integer = 0); overload;
procedure UpdatePreferences;
procedure SavePreferences(const aFileName : string);
procedure ResolveHost(const aURL : ustring);
function IsSameBrowser(const aBrowser : ICefBrowser) : boolean;
procedure Find(aIdentifier : integer; const aSearchText : ustring; aForward, aMatchCase, aFindNext : Boolean);
procedure StopFinding(aClearSelection : Boolean);
procedure Print;
procedure PrintToPDF(const aFilePath, aTitle, aURL : ustring);
procedure ClipboardCopy;
procedure ClipboardPaste;
procedure ClipboardCut;
procedure ClipboardUndo;
procedure ClipboardRedo;
procedure ClipboardDel;
procedure SelectAll;
procedure IncZoomStep;
procedure DecZoomStep;
procedure ResetZoomStep;
procedure MoveFormTo(const x, y: Integer);
procedure MoveFormBy(const x, y: Integer);
procedure ResizeFormWidthTo(const x : Integer);
procedure ResizeFormHeightTo(const y : Integer);
procedure SetFormLeftTo(const x : Integer);
procedure SetFormTopTo(const y : Integer);
procedure WasResized;
procedure WasHidden(hidden: Boolean);
procedure NotifyScreenInfoChanged;
procedure NotifyMoveOrResizeStarted;
procedure Invalidate(kind: TCefPaintElementType = PET_VIEW);
procedure SendKeyEvent(const event: PCefKeyEvent);
procedure SendMouseClickEvent(const event: PCefMouseEvent; kind: TCefMouseButtonType; mouseUp: Boolean; clickCount: Integer);
procedure SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean);
procedure SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer);
procedure SendFocusEvent(setFocus: Boolean);
procedure SendCaptureLostEvent;
function SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage): Boolean;
procedure SetFocus(focus: Boolean);
procedure SetAccessibilityState(accessibilityState: TCefState);
procedure DragTargetDragEnter(const dragData: ICefDragData; const event: PCefMouseEvent; allowedOps: TCefDragOperations);
procedure DragTargetDragOver(const event: PCefMouseEvent; allowedOps: TCefDragOperations);
procedure DragTargetDragLeave;
procedure DragTargetDrop(event: PCefMouseEvent);
procedure DragSourceEndedAt(x, y: Integer; op: TCefDragOperation);
procedure DragSourceSystemDragEnded;
property DefaultUrl : ustring read FDefaultUrl write FDefaultUrl;
property Options : TChromiumOptions read FOptions write FOptions;
property FontOptions : TChromiumFontOptions read FFontOptions write FFontOptions;
property PDFPrintOptions : TPDFPrintOptions read FPDFPrintOptions write FPDFPrintOptions;
property DefaultEncoding : ustring read FDefaultEncoding write FDefaultEncoding;
property BrowserId : integer read FBrowserId;
property Browser : ICefBrowser read FBrowser;
property CefClient : ICefClient read FHandler;
property CefWindowInfo : TCefWindowInfo read FWindowInfo;
property VisibleNavigationEntry : ICefNavigationEntry read GetVisibleNavigationEntry;
property MultithreadApp : boolean read GetMultithreadApp;
property IsLoading : boolean read GetIsLoading;
property HasDocument : boolean read GetHasDocument;
property HasView : boolean read GetHasView;
property HasDevTools : boolean read GetHasDevTools;
property HasClientHandler : boolean read GetHasClientHandler;
property HasBrowser : boolean read GetHasBrowser;
property CanGoBack : boolean read GetCanGoBack;
property CanGoForward : boolean read GetCanGoForward;
property IsPopUp : boolean read GetIsPopUp;
property WindowHandle : THandle read GetWindowHandle;
property BrowserHandle : THandle read FBrowserCompHWND;
property WidgetHandle : THandle read FWidgetCompHWND;
property RenderHandle : THandle read FRenderCompHWND;
property FrameIsFocused : boolean read GetFrameIsFocused;
property Initialized : boolean read GetInitialized;
property RequestContextCache : ustring read GetRequestContextCache;
property RequestContextIsGlobal : boolean read GetRequestContextIsGlobal;
property CookiePrefs : integer read FCookiePrefs write SetCookiePrefs;
property ImagesPrefs : integer read FImagesPrefs write SetImagesPrefs;
property DocumentURL : ustring read GetDocumentURL;
property ZoomLevel : double read GetZoomLevel write SetZoomLevel;
property ZoomPct : double read GetZoomPct write SetZoomPct;
property ZoomStep : byte read FZoomStep write SetZoomStep;
property WindowlessFrameRate : integer read GetWindowlessFrameRate write SetWindowlessFrameRate;
property CustomHeaderName : ustring read FCustomHeaderName write SetCustomHeaderName;
property CustomHeaderValue : ustring read FCustomHeaderValue write SetCustomHeaderValue;
property DoNotTrack : boolean read FDoNotTrack write SetDoNotTrack;
property SendReferrer : boolean read FSendReferrer write SetSendReferrer;
property HyperlinkAuditing : boolean read FHyperlinkAuditing write SetHyperlinkAuditing;
property RunAllFlashInAllowMode : boolean read FRunAllFlashInAllowMode write SetRunAllFlashInAllowMode;
property AllowOutdatedPlugins : boolean read FAllowOutdatedPlugins write SetAllowOutdatedPlugins;
property AlwaysAuthorizePlugins : boolean read FAlwaysAuthorizePlugins write SetAlwaysAuthorizePlugins;
property SpellChecking : boolean read FSpellChecking write SetSpellChecking;
property SpellCheckerDicts : ustring read FSpellCheckerDicts write SetSpellCheckerDicts;
property HasValidMainFrame : boolean read GetHasValidMainFrame;
property FrameCount : NativeUInt read GetFrameCount;
property DragOperations : TCefDragOperations read FDragOperations write FDragOperations;
property WebRTCIPHandlingPolicy : TCefWebRTCHandlingPolicy read FWebRTCIPHandlingPolicy write SetWebRTCIPHandlingPolicy;
property WebRTCMultipleRoutes : TCefState read FWebRTCMultipleRoutes write SetWebRTCMultipleRoutes;
property WebRTCNonproxiedUDP : TCefState read FWebRTCNonProxiedUDP write SetWebRTCNonProxiedUDP;
property ProxyType : integer read FProxyType write SetProxyType;
property ProxyScheme : TCefProxyScheme read FProxyScheme write SetProxyScheme;
property ProxyServer : ustring read FProxyServer write SetProxyServer;
property ProxyPort : integer read FProxyPort write SetProxyPort;
property ProxyUsername : ustring read FProxyUsername write SetProxyUsername;
property ProxyPassword : ustring read FProxyPassword write SetProxyPassword;
property ProxyScriptURL : ustring read FProxyScriptURL write SetProxyScriptURL;
property ProxyByPassList : ustring read FProxyByPassList write SetProxyByPassList;
published
property OnTextResultAvailable : TOnTextResultAvailableEvent read FOnTextResultAvailable write FOnTextResultAvailable;
property OnPdfPrintFinished : TOnPdfPrintFinishedEvent read FOnPdfPrintFinished write FOnPdfPrintFinished;
property OnCookiesDeleted : TOnCookiesDeletedEvent read FOnCookiesDeleted write FOnCookiesDeleted;
property OnResolvedHostAvailable : TOnResolvedIPsAvailableEvent read FOnResolvedHostAvailable write FOnResolvedHostAvailable;
{$IFDEF MSWINDOWS}
property OnBrowserCompMsg : TOnCompMsgEvent read FOnBrowserCompMsg write FOnBrowserCompMsg;
property OnWidgetCompMsg : TOnCompMsgEvent read FOnWidgetCompMsg write FOnWidgetCompMsg;
property OnRenderCompMsg : TOnCompMsgEvent read FOnRenderCompMsg write FOnRenderCompMsg;
{$ENDIF}
// ICefClient
property OnProcessMessageReceived : TOnProcessMessageReceived read FOnProcessMessageReceived write FOnProcessMessageReceived;
// ICefLoadHandler
property OnLoadStart : TOnLoadStart read FOnLoadStart write FOnLoadStart;
property OnLoadEnd : TOnLoadEnd read FOnLoadEnd write FOnLoadEnd;
property OnLoadError : TOnLoadError read FOnLoadError write FOnLoadError;
property OnLoadingStateChange : TOnLoadingStateChange read FOnLoadingStateChange write FOnLoadingStateChange;
// ICefFocusHandler
property OnTakeFocus : TOnTakeFocus read FOnTakeFocus write FOnTakeFocus;
property OnSetFocus : TOnSetFocus read FOnSetFocus write FOnSetFocus;
property OnGotFocus : TOnGotFocus read FOnGotFocus write FOnGotFocus;
// ICefContextMenuHandler
property OnBeforeContextMenu : TOnBeforeContextMenu read FOnBeforeContextMenu write FOnBeforeContextMenu;
property OnRunContextMenu : TOnRunContextMenu read FOnRunContextMenu write FOnRunContextMenu;
property OnContextMenuCommand : TOnContextMenuCommand read FOnContextMenuCommand write FOnContextMenuCommand;
property OnContextMenuDismissed : TOnContextMenuDismissed read FOnContextMenuDismissed write FOnContextMenuDismissed;
// ICefKeyboardHandler
property OnPreKeyEvent : TOnPreKeyEvent read FOnPreKeyEvent write FOnPreKeyEvent;
property OnKeyEvent : TOnKeyEvent read FOnKeyEvent write FOnKeyEvent;
// ICefDisplayHandler
property OnAddressChange : TOnAddressChange read FOnAddressChange write FOnAddressChange;
property OnTitleChange : TOnTitleChange read FOnTitleChange write FOnTitleChange;
property OnFavIconUrlChange : TOnFavIconUrlChange read FOnFavIconUrlChange write FOnFavIconUrlChange;
property OnFullScreenModeChange : TOnFullScreenModeChange read FOnFullScreenModeChange write FOnFullScreenModeChange;
property OnTooltip : TOnTooltip read FOnTooltip write FOnTooltip;
property OnStatusMessage : TOnStatusMessage read FOnStatusMessage write FOnStatusMessage;
property OnConsoleMessage : TOnConsoleMessage read FOnConsoleMessage write FOnConsoleMessage;
property OnAutoResize : TOnAutoResize read FOnAutoResize write FOnAutoResize;
property OnLoadingProgressChange : TOnLoadingProgressChange read FOnLoadingProgressChange write FOnLoadingProgressChange;
// ICefDownloadHandler
property OnBeforeDownload : TOnBeforeDownload read FOnBeforeDownload write FOnBeforeDownload;
property OnDownloadUpdated : TOnDownloadUpdated read FOnDownloadUpdated write FOnDownloadUpdated;
// ICefJsDialogHandler
property OnJsdialog : TOnJsdialog read FOnJsdialog write FOnJsdialog;
property OnBeforeUnloadDialog : TOnBeforeUnloadDialog read FOnBeforeUnloadDialog write FOnBeforeUnloadDialog;
property OnResetDialogState : TOnResetDialogState read FOnResetDialogState write FOnResetDialogState;
property OnDialogClosed : TOnDialogClosed read FOnDialogClosed write FOnDialogClosed;
// ICefLifeSpanHandler
property OnBeforePopup : TOnBeforePopup read FOnBeforePopup write FOnBeforePopup;
property OnAfterCreated : TOnAfterCreated read FOnAfterCreated write FOnAfterCreated;
property OnBeforeClose : TOnBeforeClose read FOnBeforeClose write FOnBeforeClose;
property OnClose : TOnClose read FOnClose write FOnClose;
// ICefRequestHandler
property OnBeforeBrowse : TOnBeforeBrowse read FOnBeforeBrowse write FOnBeforeBrowse;
property OnOpenUrlFromTab : TOnOpenUrlFromTab read FOnOpenUrlFromTab write FOnOpenUrlFromTab;
property OnBeforeResourceLoad : TOnBeforeResourceLoad read FOnBeforeResourceLoad write FOnBeforeResourceLoad;
property OnGetResourceHandler : TOnGetResourceHandler read FOnGetResourceHandler write FOnGetResourceHandler;
property OnResourceRedirect : TOnResourceRedirect read FOnResourceRedirect write FOnResourceRedirect;
property OnResourceResponse : TOnResourceResponse read FOnResourceResponse write FOnResourceResponse;
property OnGetResourceResponseFilter : TOnGetResourceResponseFilter read FOnGetResourceResponseFilter write FOnGetResourceResponseFilter;
property OnResourceLoadComplete : TOnResourceLoadComplete read FOnResourceLoadComplete write FOnResourceLoadComplete;
property OnGetAuthCredentials : TOnGetAuthCredentials read FOnGetAuthCredentials write FOnGetAuthCredentials;
property OnCanGetCookies : TOnCanGetCookies read FOnCanGetCookies write FOnCanGetCookies;
property OnCanSetCookie : TOnCanSetCookie read FOnCanSetCookie write FOnCanSetCookie;
property OnQuotaRequest : TOnQuotaRequest read FOnQuotaRequest write FOnQuotaRequest;
property OnProtocolExecution : TOnProtocolExecution read FOnProtocolExecution write FOnProtocolExecution;
property OnCertificateError : TOnCertificateError read FOnCertificateError write FOnCertificateError;
property OnSelectClientCertificate : TOnSelectClientCertificate read FOnSelectClientCertificate write FOnSelectClientCertificate;
property OnPluginCrashed : TOnPluginCrashed read FOnPluginCrashed write FOnPluginCrashed;
property OnRenderViewReady : TOnRenderViewReady read FOnRenderViewReady write FOnRenderViewReady;
property OnRenderProcessTerminated : TOnRenderProcessTerminated read FOnRenderProcessTerminated write FOnRenderProcessTerminated;
// ICefDialogHandler
property OnFileDialog : TOnFileDialog read FOnFileDialog write FOnFileDialog;
// ICefRenderHandler
property OnGetAccessibilityHandler : TOnGetAccessibilityHandler read FOnGetAccessibilityHandler write FOnGetAccessibilityHandler;
property OnGetRootScreenRect : TOnGetRootScreenRect read FOnGetRootScreenRect write FOnGetRootScreenRect;
property OnGetViewRect : TOnGetViewRect read FOnGetViewRect write FOnGetViewRect;
property OnGetScreenPoint : TOnGetScreenPoint read FOnGetScreenPoint write FOnGetScreenPoint;
property OnGetScreenInfo : TOnGetScreenInfo read FOnGetScreenInfo write FOnGetScreenInfo;
property OnPopupShow : TOnPopupShow read FOnPopupShow write FOnPopupShow;
property OnPopupSize : TOnPopupSize read FOnPopupSize write FOnPopupSize;
property OnPaint : TOnPaint read FOnPaint write FOnPaint;
property OnCursorChange : TOnCursorChange read FOnCursorChange write FOnCursorChange;
property OnScrollOffsetChanged : TOnScrollOffsetChanged read FOnScrollOffsetChanged write FOnScrollOffsetChanged;
property OnIMECompositionRangeChanged : TOnIMECompositionRangeChanged read FOnIMECompositionRangeChanged write FOnIMECompositionRangeChanged;
property OnTextSelectionChanged : TOnTextSelectionChanged read FOnTextSelectionChanged write FOnTextSelectionChanged;
// ICefDragHandler
property OnDragEnter : TOnDragEnter read FOnDragEnter write FOnDragEnter;
property OnDraggableRegionsChanged : TOnDraggableRegionsChanged read FOnDraggableRegionsChanged write FOnDraggableRegionsChanged;
// ICefFindHandler
property OnFindResult : TOnFindResult read FOnFindResult write FOnFindResult;
end;
implementation
uses
System.SysUtils, System.Math,
uCEFBrowser, uCEFValue, uCEFDictionaryValue, uCEFStringMultimap, uCEFFrame,
uCEFApplication, uCEFProcessMessage, uCEFRequestContext,
uCEFPDFPrintCallback, uCEFResolveCallback, uCEFDeleteCookiesCallback, uCEFStringVisitor,
uCEFListValue;
constructor TFMXChromium.Create(AOwner: TComponent);
begin
FBrowser := nil;
FBrowserId := 0;
FClosing := False;
FIsOSR := False;
FInitialized := False;
FDefaultUrl := 'about:blank';
FHandler := nil;
FOptions := nil;
FFontOptions := nil;
FDefaultEncoding := '';
FPDFPrintOptions := nil;
FUpdatePreferences := False;
FCustomHeaderName := '';
FCustomHeaderValue := '';
FPrefsFileName := '';
FAddCustomHeader := False;
FDoNotTrack := True;
FSendReferrer := True;
FHyperlinkAuditing := False;
FRunAllFlashInAllowMode := False;
FAllowOutdatedPlugins := False;
FAlwaysAuthorizePlugins := False;
FSpellChecking := True;
FSpellCheckerDicts := '';
FCookiePrefs := CEF_CONTENT_SETTING_ALLOW;
FImagesPrefs := CEF_CONTENT_SETTING_ALLOW;
FZoomStep := ZOOM_STEP_DEF;
{$IFDEF MSWINDOWS}
FOldBrowserCompWndPrc := nil;
FOldWidgetCompWndPrc := nil;
FOldRenderCompWndPrc := nil;
FBrowserCompHWND := 0;
FWidgetCompHWND := 0;
FRenderCompHWND := 0;
FBrowserCompStub := nil;
FWidgetCompStub := nil;
FRenderCompStub := nil;
{$ENDIF}
FDragOperations := DRAG_OPERATION_NONE;
FDragAndDropInitialized := False;
FWebRTCIPHandlingPolicy := hpDefault;
FWebRTCMultipleRoutes := STATE_DEFAULT;
FWebRTCNonProxiedUDP := STATE_DEFAULT;
FProxyType := CEF_PROXYTYPE_DIRECT;
FProxyScheme := psHTTP;
FProxyServer := '';
FProxyPort := 80;
FProxyUsername := '';
FProxyPassword := '';
FProxyScriptURL := '';
FProxyByPassList := '';
FillChar(FWindowInfo, SizeOf(TCefWindowInfo), 0);
FillChar(FDevWindowInfo, SizeOf(TCefWindowInfo), 0);
InitializeSettings(FBrowserSettings);
InitializeSettings(FDevBrowserSettings);
InitializeEvents;
inherited Create(AOwner);
end;
destructor TFMXChromium.Destroy;
begin
try
try
ClearBrowserReference;
if (FFontOptions <> nil) then FreeAndNil(FFontOptions);
if (FOptions <> nil) then FreeAndNil(FOptions);
if (FPDFPrintOptions <> nil) then FreeAndNil(FPDFPrintOptions);
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.Destroy', e) then raise;
end;
finally
inherited Destroy;
end;
end;
procedure TFMXChromium.BeforeDestruction;
begin
{$IFDEF MSWINDOWS}
if (FBrowserCompHWND <> 0) and (FOldBrowserCompWndPrc <> nil) then
begin
SetWindowLongPtr(FBrowserCompHWND, GWL_WNDPROC, NativeInt(FOldBrowserCompWndPrc));
FreeAndNilStub(FBrowserCompStub);
FOldBrowserCompWndPrc := nil;
end;
if (FWidgetCompHWND <> 0) and (FOldWidgetCompWndPrc <> nil) then
begin
SetWindowLongPtr(FWidgetCompHWND, GWL_WNDPROC, NativeInt(FOldWidgetCompWndPrc));
FreeAndNilStub(FWidgetCompStub);
FOldWidgetCompWndPrc := nil;
end;
if (FRenderCompHWND <> 0) and (FOldRenderCompWndPrc <> nil) then
begin
SetWindowLongPtr(FRenderCompHWND, GWL_WNDPROC, NativeInt(FOldRenderCompWndPrc));
FreeAndNilStub(FRenderCompStub);
FOldRenderCompWndPrc := nil;
end;
{$ENDIF}
DestroyClientHandler;
inherited BeforeDestruction;
end;
procedure TFMXChromium.ClearBrowserReference;
begin
FBrowser := nil;
FBrowserId := 0;
end;
procedure TFMXChromium.DestroyClientHandler;
begin
try
if (FHandler <> nil) then
begin
FHandler.RemoveReferences;
FHandler := nil;
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.DestroyClientHandler', e) then raise;
end;
end;
procedure TFMXChromium.AfterConstruction;
begin
inherited AfterConstruction;
try
if not(csDesigning in ComponentState) then
begin
FOptions := TChromiumOptions.Create;
FFontOptions := TChromiumFontOptions.Create;
FPDFPrintOptions := TPDFPrintOptions.Create;
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.AfterConstruction', e) then raise;
end;
end;
function TFMXChromium.CreateClientHandler(aIsOSR : boolean) : boolean;
begin
Result := False;
try
if (FHandler = nil) then
begin
FIsOSR := aIsOsr;
FHandler := TCustomClientHandler.Create(Self,
MustCreateLoadHandler,
MustCreateFocusHandler,
MustCreateContextMenuHandler,
MustCreateDialogHandler,
MustCreateKeyboardHandler,
MustCreateDisplayHandler,
MustCreateDownloadHandler,
MustCreateJsDialogHandler,
True,
FIsOSR,
True,
MustCreateDragHandler,
MustCreateFindHandler);
Result := True;
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.CreateClientHandler', e) then raise;
end;
end;
function TFMXChromium.CreateClientHandler(var aClient : ICefClient; aIsOSR : boolean) : boolean;
begin
if CreateClientHandler(aIsOSR) then
begin
aClient := FHandler;
Result := True;
end
else
Result := False;
end;
procedure TFMXChromium.InitializeEvents;
begin
// ICefClient
FOnProcessMessageReceived := nil;
// ICefLoadHandler
FOnLoadStart := nil;
FOnLoadEnd := nil;
FOnLoadError := nil;
FOnLoadingStateChange := nil;
// ICefFocusHandler
FOnTakeFocus := nil;
FOnSetFocus := nil;
FOnGotFocus := nil;
// ICefContextMenuHandler
FOnBeforeContextMenu := nil;
FOnRunContextMenu := nil;
FOnContextMenuCommand := nil;
FOnContextMenuDismissed := nil;
// ICefKeyboardHandler
FOnPreKeyEvent := nil;
FOnKeyEvent := nil;
// ICefDisplayHandler
FOnAddressChange := nil;
FOnTitleChange := nil;
FOnFavIconUrlChange := nil;
FOnFullScreenModeChange := nil;
FOnTooltip := nil;
FOnStatusMessage := nil;
FOnConsoleMessage := nil;
FOnAutoResize := nil;
FOnLoadingProgressChange := nil;
// ICefDownloadHandler
FOnBeforeDownload := nil;
FOnDownloadUpdated := nil;
// ICefJsDialogHandler
FOnJsdialog := nil;
FOnBeforeUnloadDialog := nil;
FOnResetDialogState := nil;
FOnDialogClosed := nil;
// ICefLifeSpanHandler
FOnBeforePopup := nil;
FOnAfterCreated := nil;
FOnBeforeClose := nil;
FOnClose := nil;
// ICefRequestHandler
FOnBeforeBrowse := nil;
FOnOpenUrlFromTab := nil;
FOnBeforeResourceLoad := nil;
FOnGetResourceHandler := nil;
FOnResourceRedirect := nil;
FOnResourceResponse := nil;
FOnGetResourceResponseFilter := nil;
FOnResourceLoadComplete := nil;
FOnGetAuthCredentials := nil;
FOnCanGetCookies := nil;
FOnCanSetCookie := nil;
FOnQuotaRequest := nil;
FOnProtocolExecution := nil;
FOnCertificateError := nil;
FOnSelectClientCertificate := nil;
FOnPluginCrashed := nil;
FOnRenderViewReady := nil;
FOnRenderProcessTerminated := nil;
// ICefDialogHandler
FOnFileDialog := nil;
// ICefRenderHandler
FOnGetAccessibilityHandler := nil;
FOnGetRootScreenRect := nil;
FOnGetViewRect := nil;
FOnGetScreenPoint := nil;
FOnGetScreenInfo := nil;
FOnPopupShow := nil;
FOnPopupSize := nil;
FOnPaint := nil;
FOnCursorChange := nil;
FOnScrollOffsetChanged := nil;
FOnIMECompositionRangeChanged := nil;
FOnTextSelectionChanged := nil;
// ICefDragHandler
FOnDragEnter := nil;
FOnDraggableRegionsChanged := nil;
// ICefFindHandler
FOnFindResult := nil;
// Custom
FOnTextResultAvailable := nil;
FOnPdfPrintFinished := nil;
FOnCookiesDeleted := nil;
FOnResolvedHostAvailable := nil;
end;
function TFMXChromium.CreateBrowser(const aWindowName : ustring;
const aContext : ICefRequestContext;
const aCookiesPath : ustring;
aPersistSessionCookies : boolean) : boolean;
var
TempCookieManager : ICefCookieManager;
begin
Result := False;
try
// GlobalCEFApp.GlobalContextInitialized has to be TRUE before creating any browser
// even if you use a custom request context.
// If you create a browser in the initialization of your app, make sure you call this
// function when GlobalCEFApp.GlobalContextInitialized is TRUE.
// Use the GlobalCEFApp.OnContextInitialized event to know when
// GlobalCEFApp.GlobalContextInitialized is set to TRUE.
if not(csDesigning in ComponentState) and
not(FClosing) and
(FBrowser = nil) and
(FBrowserId = 0) and
(GlobalCEFApp <> nil) and
GlobalCEFApp.GlobalContextInitialized and
CreateClientHandler then
begin
GetSettings(FBrowserSettings);
WindowInfoAsWindowless(FWindowInfo, 0, aWindowName);
if (aContext <> nil) and (length(aCookiesPath) > 0) then
begin
TempCookieManager := aContext.GetDefaultCookieManager(nil);
if (TempCookieManager = nil) or
not(TempCookieManager.SetStoragePath(aCookiesPath, aPersistSessionCookies, nil)) then
OutputDebugMessage('TFMXChromium.CreateBrowser error : cookies cannot be accessed');
end;
if GlobalCEFApp.MultiThreadedMessageLoop then
Result := CreateBrowserHost(@FWindowInfo, FDefaultUrl, @FBrowserSettings, aContext)
else
Result := CreateBrowserHostSync(@FWindowInfo, FDefaultUrl, @FBrowserSettings, aContext);
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.CreateBrowser', e) then raise;
end;
end;
{$IFDEF MSWINDOWS}
function TFMXChromium.CreateBrowser( aParentHandle : HWND;
aParentRect : TRect;
const aWindowName : ustring;
const aContext : ICefRequestContext;
const aCookiesPath : ustring;
aPersistSessionCookies : boolean) : boolean;
var
TempCookieManager : ICefCookieManager;
begin
Result := False;
try
// GlobalCEFApp.GlobalContextInitialized has to be TRUE before creating any browser
// even if you use a custom request context.
// If you create a browser in the initialization of your app, make sure you call this
// function when GlobalCEFApp.GlobalContextInitialized is TRUE.
// Use the GlobalCEFApp.OnContextInitialized event to know when
// GlobalCEFApp.GlobalContextInitialized is set to TRUE.
if not(csDesigning in ComponentState) and
not(FClosing) and
(FBrowser = nil) and
(FBrowserId = 0) and
(GlobalCEFApp <> nil) and
GlobalCEFApp.GlobalContextInitialized and
CreateClientHandler(aParentHandle = 0) then
begin
GetSettings(FBrowserSettings);
if FIsOSR then
WindowInfoAsWindowless(FWindowInfo, 0, aWindowName)
else
WindowInfoAsChild(FWindowInfo, aParentHandle, aParentRect, aWindowName);
if (aContext <> nil) and (length(aCookiesPath) > 0) then
begin
TempCookieManager := aContext.GetDefaultCookieManager(nil);
if (TempCookieManager = nil) or
not(TempCookieManager.SetStoragePath(aCookiesPath, aPersistSessionCookies, nil)) then
OutputDebugMessage('TChromium.CreateBrowser error : cookies cannot be accessed');
end;
if GlobalCEFApp.MultiThreadedMessageLoop then
Result := CreateBrowserHost(@FWindowInfo, FDefaultUrl, @FBrowserSettings, aContext)
else
Result := CreateBrowserHostSync(@FWindowInfo, FDefaultUrl, @FBrowserSettings, aContext);
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.CreateBrowser', e) then raise;
end;
end;
{$ENDIF}
function TFMXChromium.ShareRequestContext(var aContext : ICefRequestContext;
const aHandler : ICefRequestContextHandler) : boolean;
begin
Result := False;
aContext := nil;
if Initialized then
begin
aContext := TCefRequestContextRef.Shared(FBrowser.Host.RequestContext, aHandler);
Result := (aContext <> nil);
end;
end;
procedure TFMXChromium.CloseBrowser(aForceClose : boolean);
begin
if Initialized then FBrowser.Host.CloseBrowser(aForceClose);
end;
function TFMXChromium.CreateBrowserHost(aWindowInfo : PCefWindowInfo;
const aURL : ustring;
const aSettings : PCefBrowserSettings;
const aContext : ICefRequestContext): Boolean;
var
TempURL : TCefString;
begin
TempURL := CefString(aURL);
Result := cef_browser_host_create_browser(aWindowInfo, FHandler.Wrap, @TempURL, aSettings, CefGetData(aContext)) <> 0;
end;
function TFMXChromium.CreateBrowserHostSync(aWindowInfo : PCefWindowInfo;
const aURL : ustring;
const aSettings : PCefBrowserSettings;
const aContext : ICefRequestContext): boolean;
var
TempURL : TCefString;
begin
TempURL := CefString(aURL);
FBrowser := TCefBrowserRef.UnWrap(cef_browser_host_create_browser_sync(aWindowInfo, FHandler.Wrap, @TempURL, aSettings, CefGetData(aContext)));
if (FBrowser <> nil) then
begin
FBrowserId := FBrowser.Identifier;
FInitialized := (FBrowserId <> 0);
Result := FInitialized;
end
else
Result := False;
end;
procedure TFMXChromium.Find(aIdentifier : integer; const aSearchText : ustring; aForward, aMatchCase, aFindNext : Boolean);
begin
if Initialized then FBrowser.Host.Find(aIdentifier, aSearchText, aForward, aMatchCase, aFindNext);
end;
procedure TFMXChromium.StopFinding(aClearSelection : Boolean);
begin
if Initialized then FBrowser.Host.StopFinding(aClearSelection);
end;
procedure TFMXChromium.Print;
begin
if Initialized then FBrowser.Host.Print;
end;
procedure TFMXChromium.PrintToPDF(const aFilePath, aTitle, aURL : ustring);
var
TempSettings : TCefPdfPrintSettings;
TempCallback : ICefPdfPrintCallback;
begin
if Initialized then
begin
GetPrintPDFSettings(TempSettings, aTitle, aURL);
TempCallback := TCefCustomPDFPrintCallBack.Create(self);
FBrowser.Host.PrintToPdf(aFilePath, @TempSettings, TempCallback);
end;
end;
procedure TFMXChromium.ClipboardCopy;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Copy;
end;
end;
procedure TFMXChromium.ClipboardPaste;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Paste;
end;
end;
procedure TFMXChromium.ClipboardCut;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Cut;
end;
end;
procedure TFMXChromium.ClipboardUndo;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Undo;
end;
end;
procedure TFMXChromium.ClipboardRedo;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Redo;
end;
end;
procedure TFMXChromium.ClipboardDel;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Del;
end;
end;
procedure TFMXChromium.SelectAll;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.SelectAll;
end;
end;
procedure TFMXChromium.GetPrintPDFSettings(var aSettings : TCefPdfPrintSettings; const aTitle, aURL : ustring);
begin
if (FPDFPrintOptions <> nil) then
begin
aSettings.header_footer_title := CefString(aTitle);
aSettings.header_footer_url := CefString(aURL);
aSettings.page_width := FPDFPrintOptions.page_width;
aSettings.page_height := FPDFPrintOptions.page_height;
aSettings.scale_factor := FPDFPrintOptions.scale_factor;
aSettings.margin_top := FPDFPrintOptions.margin_top;
aSettings.margin_right := FPDFPrintOptions.margin_right;
aSettings.margin_bottom := FPDFPrintOptions.margin_bottom;
aSettings.margin_left := FPDFPrintOptions.margin_left;
aSettings.margin_type := FPDFPrintOptions.margin_type;
aSettings.header_footer_enabled := FPDFPrintOptions.header_footer_enabled;
aSettings.selection_only := FPDFPrintOptions.selection_only;
aSettings.landscape := FPDFPrintOptions.landscape;
aSettings.backgrounds_enabled := FPDFPrintOptions.backgrounds_enabled;
end;
end;
procedure TFMXChromium.GetSettings(var aSettings : TCefBrowserSettings);
begin
if (FFontOptions <> nil) and (FOptions <> nil) then
begin
aSettings.size := SizeOf(TCefBrowserSettings);
aSettings.windowless_frame_rate := FOptions.WindowlessFrameRate;
aSettings.standard_font_family := CefString(FFontOptions.StandardFontFamily);
aSettings.fixed_font_family := CefString(FFontOptions.FixedFontFamily);
aSettings.serif_font_family := CefString(FFontOptions.SerifFontFamily);
aSettings.sans_serif_font_family := CefString(FFontOptions.SansSerifFontFamily);
aSettings.cursive_font_family := CefString(FFontOptions.CursiveFontFamily);
aSettings.fantasy_font_family := CefString(FFontOptions.FantasyFontFamily);
aSettings.default_font_size := FFontOptions.DefaultFontSize;
aSettings.default_fixed_font_size := FFontOptions.DefaultFixedFontSize;
aSettings.minimum_font_size := FFontOptions.MinimumFontSize;
aSettings.minimum_logical_font_size := FFontOptions.MinimumLogicalFontSize;
aSettings.remote_fonts := FFontOptions.RemoteFonts;
aSettings.default_encoding := CefString(DefaultEncoding);
aSettings.javascript := FOptions.Javascript;
aSettings.javascript_close_windows := FOptions.JavascriptCloseWindows;
aSettings.javascript_access_clipboard := FOptions.JavascriptAccessClipboard;
aSettings.javascript_dom_paste := FOptions.JavascriptDomPaste;
aSettings.plugins := FOptions.Plugins;
aSettings.universal_access_from_file_urls := FOptions.UniversalAccessFromFileUrls;
aSettings.file_access_from_file_urls := FOptions.FileAccessFromFileUrls;
aSettings.web_security := FOptions.WebSecurity;
aSettings.image_loading := FOptions.ImageLoading;
aSettings.image_shrink_standalone_to_fit := FOptions.ImageShrinkStandaloneToFit;
aSettings.text_area_resize := FOptions.TextAreaResize;
aSettings.tab_to_links := FOptions.TabToLinks;
aSettings.local_storage := FOptions.LocalStorage;
aSettings.databases := FOptions.Databases;
aSettings.application_cache := FOptions.ApplicationCache;
aSettings.webgl := FOptions.Webgl;
aSettings.background_color := FOptions.BackgroundColor;
aSettings.accept_language_list := CefString(FOptions.AcceptLanguageList);
end;
end;
procedure TFMXChromium.InitializeSettings(var aSettings : TCefBrowserSettings);
begin
aSettings.size := SizeOf(TCefBrowserSettings);
aSettings.windowless_frame_rate := 30;
aSettings.standard_font_family := CefString('');
aSettings.fixed_font_family := CefString('');
aSettings.serif_font_family := CefString('');
aSettings.sans_serif_font_family := CefString('');
aSettings.cursive_font_family := CefString('');
aSettings.fantasy_font_family := CefString('');
aSettings.default_font_size := 0;
aSettings.default_fixed_font_size := 0;
aSettings.minimum_font_size := 0;
aSettings.minimum_logical_font_size := 0;
aSettings.remote_fonts := STATE_DEFAULT;
aSettings.default_encoding := CefString('');
aSettings.javascript := STATE_DEFAULT;
aSettings.javascript_close_windows := STATE_DEFAULT;
aSettings.javascript_access_clipboard := STATE_DEFAULT;
aSettings.javascript_dom_paste := STATE_DEFAULT;
aSettings.plugins := STATE_DEFAULT;
aSettings.universal_access_from_file_urls := STATE_DEFAULT;
aSettings.file_access_from_file_urls := STATE_DEFAULT;
aSettings.web_security := STATE_DEFAULT;
aSettings.image_loading := STATE_DEFAULT;
aSettings.image_shrink_standalone_to_fit := STATE_DEFAULT;
aSettings.text_area_resize := STATE_DEFAULT;
aSettings.tab_to_links := STATE_DEFAULT;
aSettings.local_storage := STATE_DEFAULT;
aSettings.databases := STATE_DEFAULT;
aSettings.application_cache := STATE_DEFAULT;
aSettings.webgl := STATE_DEFAULT;
aSettings.background_color := 0;
aSettings.accept_language_list := CefString('');
end;
// Leave aFrameName empty to load the URL in the main frame
procedure TFMXChromium.LoadURL(const aURL : ustring; const aFrameName : ustring = '');
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := FBrowser.GetFrame(aFrameName)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.LoadUrl(aURL);
end;
end;
procedure TFMXChromium.LoadURL(const aURL : ustring; const aFrame : ICefFrame);
begin
if Initialized and (aFrame <> nil) then aFrame.LoadUrl(aURL);
end;
procedure TFMXChromium.LoadURL(const aURL : ustring; const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := FBrowser.GetFrameByident(aFrameIdentifier)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.LoadUrl(aURL);
end;
end;
procedure TFMXChromium.LoadString(const aString : ustring; const aURL : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.LoadString(aString, aURL);
end;
end;
procedure TFMXChromium.LoadRequest(const aRequest: ICefRequest);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.LoadRequest(aRequest);
end;
end;
procedure TFMXChromium.GoBack;
begin
if Initialized and CanGoBack then FBrowser.GoBack;
end;
procedure TFMXChromium.GoForward;
begin
if Initialized and CanGoForward then FBrowser.GoForward;
end;
procedure TFMXChromium.Reload;
begin
if Initialized then FBrowser.Reload;
end;
procedure TFMXChromium.ReloadIgnoreCache;
begin
if Initialized then FBrowser.ReloadIgnoreCache;
end;
procedure TFMXChromium.StopLoad;
begin
if Initialized then FBrowser.StopLoad;
end;
procedure TFMXChromium.StartDownload(const aURL : ustring);
begin
if Initialized then FBrowser.Host.StartDownload(aURL);
end;
function TFMXChromium.GetIsLoading : boolean;
begin
Result := Initialized and FBrowser.IsLoading;
end;
function TFMXChromium.GetMultithreadApp : boolean;
begin
Result := (GlobalCEFApp <> nil) and GlobalCEFApp.MultiThreadedMessageLoop;
end;
function TFMXChromium.GetHasDocument : boolean;
begin
Result := Initialized and FBrowser.HasDocument;
end;
function TFMXChromium.GetHasView : boolean;
begin
Result := Initialized and FBrowser.Host.HasView;
end;
function TFMXChromium.GetHasDevTools : boolean;
begin
Result := Initialized and FBrowser.Host.HasDevTools;
end;
function TFMXChromium.GetHasClientHandler : boolean;
begin
Result := (FHandler <> nil);
end;
function TFMXChromium.GetHasBrowser : boolean;
begin
Result := (FBrowser <> nil);
end;
function TFMXChromium.GetWindowHandle : THandle;
begin
if Initialized then
Result := FBrowser.Host.WindowHandle
else
Result := 0;
end;
function TFMXChromium.GetFrameIsFocused : boolean;
begin
Result := Initialized and (FBrowser.FocusedFrame <> nil);
end;
function TFMXChromium.GetWindowlessFrameRate : integer;
begin
if Initialized then
Result := FBrowser.Host.GetWindowlessFrameRate
else
Result := 0;
end;
function TFMXChromium.GetVisibleNavigationEntry : ICefNavigationEntry;
begin
if Initialized then
Result := FBrowser.Host.VisibleNavigationEntry
else
Result := nil;
end;
function TFMXChromium.GetHasValidMainFrame : boolean;
begin
Result := Initialized and (FBrowser.MainFrame <> nil) and FBrowser.MainFrame.IsValid;
end;
function TFMXChromium.GetFrameCount : NativeUInt;
begin
if Initialized then
Result := FBrowser.GetFrameCount
else
Result := 0;
end;
function TFMXChromium.GetRequestContextCache : ustring;
begin
if Initialized then
Result := FBrowser.host.RequestContext.CachePath
else
if (GlobalCEFApp <> nil) then
Result := GlobalCEFApp.cache
else
Result := '';
end;
function TFMXChromium.GetRequestContextIsGlobal : boolean;
begin
Result := Initialized and FBrowser.host.RequestContext.IsGlobal;
end;
procedure TFMXChromium.SetWindowlessFrameRate(aValue : integer);
begin
if Initialized then FBrowser.Host.SetWindowlessFrameRate(aValue);
end;
function TFMXChromium.GetCanGoBack : boolean;
begin
Result := Initialized and FBrowser.CanGoBack;
end;
function TFMXChromium.GetCanGoForward : boolean;
begin
Result := Initialized and FBrowser.CanGoForward;
end;
function TFMXChromium.GetIsPopUp : boolean;
begin
Result := Initialized and FBrowser.IsPopUp;
end;
function TFMXChromium.GetInitialized : boolean;
begin
Result := FInitialized and not(FClosing) and (FBrowser <> nil);
end;
function TFMXChromium.GetDocumentURL : ustring;
var
TempFrame : ICefFrame;
begin
Result := '';
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then Result := TempFrame.URL;
end;
end;
function TFMXChromium.GetZoomLevel : double;
begin
Result := 0;
if Initialized then Result := FBrowser.Host.ZoomLevel;
end;
procedure TFMXChromium.SetZoomLevel(const aValue : double);
begin
if Initialized then FBrowser.Host.ZoomLevel := aValue;
end;
function TFMXChromium.GetZoomPct : double;
begin
Result := power(1.2, ZoomLevel) * 100;
end;
procedure TFMXChromium.SetZoomPct(const aValue : double);
begin
if Initialized and (aValue > 0) then ZoomLevel := LogN(1.2, aValue / 100);
end;
procedure TFMXChromium.ApplyZoomStep;
begin
case FZoomStep of
ZOOM_STEP_25 : ZoomPct := 25;
ZOOM_STEP_33 : ZoomPct := 33;
ZOOM_STEP_50 : ZoomPct := 50;
ZOOM_STEP_67 : ZoomPct := 67;
ZOOM_STEP_75 : ZoomPct := 75;
ZOOM_STEP_90 : ZoomPct := 90;
ZOOM_STEP_100 : ZoomPct := 100;
ZOOM_STEP_110 : ZoomPct := 110;
ZOOM_STEP_125 : ZoomPct := 125;
ZOOM_STEP_150 : ZoomPct := 150;
ZOOM_STEP_175 : ZoomPct := 175;
ZOOM_STEP_200 : ZoomPct := 200;
ZOOM_STEP_250 : ZoomPct := 250;
ZOOM_STEP_300 : ZoomPct := 300;
ZOOM_STEP_400 : ZoomPct := 400;
ZOOM_STEP_500 : ZoomPct := 500;
end;
end;
procedure TFMXChromium.SetZoomStep(aValue : byte);
begin
if Initialized and (aValue in [ZOOM_STEP_MIN..ZOOM_STEP_MAX]) then
begin
FZoomStep := aValue;
ApplyZoomStep;
end;
end;
procedure TFMXChromium.IncZoomStep;
begin
if Initialized and (FZoomStep < ZOOM_STEP_MAX) then
begin
inc(FZoomStep);
ApplyZoomStep;
end;
end;
procedure TFMXChromium.DecZoomStep;
begin
if Initialized and (FZoomStep > ZOOM_STEP_MIN) then
begin
dec(FZoomStep);
ApplyZoomStep;
end;
end;
procedure TFMXChromium.ResetZoomStep;
begin
ZoomStep := ZOOM_STEP_DEF;
end;
procedure TFMXChromium.SetDoNotTrack(aValue : boolean);
begin
if (FDoNotTrack <> aValue) then
begin
FDoNotTrack := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetSendReferrer(aValue : boolean);
begin
if (FSendReferrer <> aValue) then
begin
FSendReferrer := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetHyperlinkAuditing(aValue : boolean);
begin
if (FHyperlinkAuditing <> aValue) then
begin
FHyperlinkAuditing := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetRunAllFlashInAllowMode(aValue : boolean);
begin
if (FRunAllFlashInAllowMode <> aValue) then
begin
FRunAllFlashInAllowMode := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetAllowOutdatedPlugins(aValue : boolean);
begin
if (FAllowOutdatedPlugins <> aValue) then
begin
FAllowOutdatedPlugins := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetAlwaysAuthorizePlugins(aValue : boolean);
begin
if (FAlwaysAuthorizePlugins <> aValue) then
begin
FAlwaysAuthorizePlugins := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetSpellChecking(aValue : boolean);
begin
if (FSpellChecking <> aValue) then
begin
FSpellChecking := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetSpellCheckerDicts(const aValue : ustring);
begin
if (FSpellCheckerDicts <> aValue) then
begin
FSpellCheckerDicts := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetWebRTCIPHandlingPolicy(aValue : TCefWebRTCHandlingPolicy);
begin
if (FWebRTCIPHandlingPolicy <> aValue) then
begin
FWebRTCIPHandlingPolicy := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetWebRTCMultipleRoutes(aValue : TCefState);
begin
if (FWebRTCMultipleRoutes <> aValue) then
begin
FWebRTCMultipleRoutes := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetWebRTCNonProxiedUDP(aValue : TCefState);
begin
if (FWebRTCNonProxiedUDP <> aValue) then
begin
FWebRTCNonProxiedUDP := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetCookiePrefs(aValue : integer);
begin
if (FCookiePrefs <> aValue) then
begin
FCookiePrefs := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetImagesPrefs(aValue : integer);
begin
if (FImagesPrefs <> aValue) then
begin
FImagesPrefs := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetProxyType(aValue : integer);
begin
if (FProxyType <> aValue) then
begin
FProxyType := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetProxyScheme(aValue : TCefProxyScheme);
begin
if (FProxyScheme <> aValue) then
begin
FProxyScheme := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetProxyServer(const aValue : ustring);
begin
if (FProxyServer <> aValue) then
begin
FProxyServer := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetProxyPort(aValue : integer);
begin
if (FProxyPort <> aValue) then
begin
FProxyPort := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetProxyUsername(const aValue : ustring);
begin
if (FProxyUsername <> aValue) then
begin
FProxyUsername := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetProxyPassword(const aValue : ustring);
begin
if (FProxyPassword <> aValue) then
begin
FProxyPassword := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetProxyScriptURL(const aValue : ustring);
begin
if (FProxyScriptURL <> aValue) then
begin
FProxyScriptURL := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetProxyByPassList(const aValue : ustring);
begin
if (FProxyByPassList <> aValue) then
begin
FProxyByPassList := aValue;
FUpdatePreferences := True;
end;
end;
procedure TFMXChromium.SetCustomHeaderName(const aValue : ustring);
begin
if (FCustomHeaderName <> aValue) then
begin
FCustomHeaderName := aValue;
FAddCustomHeader := (length(FCustomHeaderName) > 0) and (length(FCustomHeaderValue) > 0);
end;
end;
procedure TFMXChromium.SetCustomHeaderValue(const aValue : ustring);
begin
if (FCustomHeaderValue <> aValue) then
begin
FCustomHeaderValue := aValue;
FAddCustomHeader := (length(FCustomHeaderName) > 0) and (length(FCustomHeaderValue) > 0);
end;
end;
function TFMXChromium.DeleteCookies(const url, cookieName: ustring) : boolean;
var
TempManager : ICefCookieManager;
TempCallback : ICefDeleteCookiesCallback;
begin
Result := False;
if Initialized and (FBrowser.Host <> nil) and (FBrowser.Host.RequestContext <> nil) then
begin
TempManager := FBrowser.Host.RequestContext.GetDefaultCookieManager(nil);
if (TempManager <> nil) then
begin
TempCallback := TCefCustomDeleteCookiesCallback.Create(self);
Result := TempManager.DeleteCookies(url, cookieName, TempCallback);
end;
end;
end;
// Leave aFrameName empty to get the HTML source from the main frame
procedure TFMXChromium.RetrieveHTML(const aFrameName : ustring);
var
TempFrame : ICefFrame;
TempVisitor : ICefStringVisitor;
begin
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := FBrowser.GetFrame(aFrameName)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
TempVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetSource(TempVisitor);
end;
end;
end;
procedure TFMXChromium.RetrieveHTML(const aFrame : ICefFrame);
var
TempVisitor : ICefStringVisitor;
begin
if Initialized and (aFrame <> nil) then
begin
TempVisitor := TCustomCefStringVisitor.Create(self);
aFrame.GetSource(TempVisitor);
end;
end;
procedure TFMXChromium.RetrieveHTML(const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
TempVisitor : ICefStringVisitor;
begin
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := FBrowser.GetFrameByident(aFrameIdentifier)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
TempVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetSource(TempVisitor);
end;
end;
end;
// Leave aFrameName empty to get the HTML source from the main frame
procedure TFMXChromium.RetrieveText(const aFrameName : ustring);
var
TempFrame : ICefFrame;
TempVisitor : ICefStringVisitor;
begin
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := FBrowser.GetFrame(aFrameName)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
TempVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetText(TempVisitor);
end;
end;
end;
procedure TFMXChromium.RetrieveText(const aFrame : ICefFrame);
var
TempVisitor : ICefStringVisitor;
begin
if Initialized and (aFrame <> nil) then
begin
TempVisitor := TCustomCefStringVisitor.Create(self);
aFrame.GetText(TempVisitor);
end;
end;
procedure TFMXChromium.RetrieveText(const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
TempVisitor : ICefStringVisitor;
begin
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := FBrowser.GetFrameByident(aFrameIdentifier)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
TempVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetText(TempVisitor);
end;
end;
end;
function TFMXChromium.GetFrameNames(var aFrameNames : TStrings) : boolean;
begin
Result := Initialized and FBrowser.GetFrameNames(aFrameNames);
end;
function TFMXChromium.GetFrameIdentifiers(var aFrameCount : NativeUInt; var aFrameIdentifierArray : TCefFrameIdentifierArray) : boolean;
begin
Result := Initialized and FBrowser.GetFrameIdentifiers(aFrameCount, aFrameIdentifierArray);
end;
procedure TFMXChromium.UpdatePreferences;
var
TempTask: ICefTask;
begin
if Initialized then
begin
TempTask := TCefUpdatePrefsTask.Create(self);
CefPostTask(TID_UI, TempTask);
end;
end;
procedure TFMXChromium.SavePreferences(const aFileName : string);
var
TempTask: ICefTask;
begin
if Initialized and (length(aFileName) > 0) then
begin
FPrefsFileName := aFileName;
TempTask := TCefSavePrefsTask.Create(self);
CefPostTask(TID_UI, TempTask);
end;
end;
procedure TFMXChromium.ResolveHost(const aURL : ustring);
var
TempCallback : ICefResolveCallback;
begin
// Results will be received in the OnResolvedHostAvailable event of this class
if Initialized and (length(aURL) > 0) then
begin
TempCallback := TCefCustomResolveCallback.Create(self);
FBrowser.Host.RequestContext.ResolveHost(aURL, TempCallback);
end;
end;
function TFMXChromium.IsSameBrowser(const aBrowser : ICefBrowser) : boolean;
begin
Result := Initialized and (aBrowser <> nil) and FBrowser.IsSame(aBrowser);
end;
procedure TFMXChromium.SimulateMouseWheel(aDeltaX, aDeltaY : integer);
var
TempEvent : TCefMouseEvent;
begin
if Initialized then
begin
TempEvent.x := 0;
TempEvent.y := 0;
TempEvent.modifiers := EVENTFLAG_NONE;
FBrowser.Host.SendMouseWheelEvent(@TempEvent, aDeltaX, aDeltaY);
end;
end;
procedure TFMXChromium.doUpdatePreferences(const aBrowser: ICefBrowser);
begin
FUpdatePreferences := False;
UpdateProxyPrefs(aBrowser);
UpdatePreference(aBrowser, 'enable_do_not_track', FDoNotTrack);
UpdatePreference(aBrowser, 'enable_referrers', FSendReferrer);
UpdatePreference(aBrowser, 'enable_a_ping', FHyperlinkAuditing);
UpdatePreference(aBrowser, 'plugins.run_all_flash_in_allow_mode', FRunAllFlashInAllowMode);
UpdatePreference(aBrowser, 'plugins.allow_outdated', FAllowOutdatedPlugins);
UpdatePreference(aBrowser, 'plugins.always_authorize', FAlwaysAuthorizePlugins);
UpdatePreference(aBrowser, 'browser.enable_spellchecking', FSpellChecking);
UpdateStringListPref(aBrowser, 'spellcheck.dictionaries', FSpellCheckerDicts);
if FRunAllFlashInAllowMode then
UpdatePreference(aBrowser, 'profile.default_content_setting_values.plugins', 1);
case FWebRTCIPHandlingPolicy of
hpDefaultPublicAndPrivateInterfaces :
UpdatePreference(aBrowser, 'webrtc.ip_handling_policy', 'default_public_and_private_interfaces');
hpDefaultPublicInterfaceOnly :
UpdatePreference(aBrowser, 'webrtc.ip_handling_policy', 'default_public_interface_only');
hpDisableNonProxiedUDP :
UpdatePreference(aBrowser, 'webrtc.ip_handling_policy', 'disable_non_proxied_udp');
end;
if (FWebRTCMultipleRoutes <> STATE_DEFAULT) then
UpdatePreference(aBrowser, 'webrtc.multiple_routes_enabled', (FWebRTCMultipleRoutes = STATE_ENABLED));
if (FWebRTCNonProxiedUDP <> STATE_DEFAULT) then
UpdatePreference(aBrowser, 'webrtc.nonproxied_udp_enabled', (FWebRTCNonProxiedUDP = STATE_ENABLED));
end;
procedure TFMXChromium.doUpdateOwnPreferences;
begin
if Initialized then doUpdatePreferences(FBrowser);
end;
function TFMXChromium.UpdateProxyPrefs(const aBrowser: ICefBrowser) : boolean;
var
TempError : ustring;
TempProxy : ICefValue;
TempValue : ICefValue;
TempDict : ICefDictionaryValue;
begin
Result := False;
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference('proxy') then
begin
TempProxy := TCefValueRef.New;
TempValue := TCefValueRef.New;
TempDict := TCefDictionaryValueRef.New;
case FProxyType of
CEF_PROXYTYPE_AUTODETECT :
begin
TempValue.SetString('auto_detect');
TempDict.SetValue('mode', TempValue);
end;
CEF_PROXYTYPE_SYSTEM :
begin
TempValue.SetString('system');
TempDict.SetValue('mode', TempValue);
end;
CEF_PROXYTYPE_FIXED_SERVERS :
begin
TempValue.SetString('fixed_servers');
TempDict.SetValue('mode', TempValue);
case FProxyScheme of
psSOCKS4 : TempDict.SetString('server', 'socks4://' + FProxyServer + ':' + inttostr(FProxyPort));
psSOCKS5 : TempDict.SetString('server', 'socks5://' + FProxyServer + ':' + inttostr(FProxyPort));
else TempDict.SetString('server', FProxyServer + ':' + inttostr(FProxyPort));
end;
if (length(FProxyByPassList) > 0) then TempDict.SetString('bypass_list', FProxyByPassList);
end;
CEF_PROXYTYPE_PAC_SCRIPT :
begin
TempValue.SetString('pac_script');
TempDict.SetValue('mode', TempValue);
TempDict.SetString('pac_url', FProxyScriptURL);
end;
else // CEF_PROXYTYPE_DIRECT
begin
TempValue.SetString('direct');
TempDict.SetValue('mode', TempValue);
end;
end;
Result := TempProxy.SetDictionary(TempDict) and
aBrowser.Host.RequestContext.SetPreference('proxy', TempProxy, TempError);
if not(Result) then
OutputDebugMessage('TFMXChromium.UpdateProxyPrefs error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.UpdateProxyPrefs', e) then raise;
end;
end;
function TFMXChromium.UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; aValue : boolean) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
if aValue then
TempValue.SetBool(1)
else
TempValue.SetBool(0);
Result := aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TFMXChromium.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.UpdatePreference', e) then raise;
end;
end;
function TFMXChromium.UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; aValue : integer) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetInt(aValue);
Result := aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TFMXChromium.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.UpdatePreference', e) then raise;
end;
end;
function TFMXChromium.UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; const aValue : double) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetDouble(aValue);
Result := aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TFMXChromium.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.UpdatePreference', e) then raise;
end;
end;
function TFMXChromium.UpdatePreference(const aBrowser: ICefBrowser; const aName, aValue : ustring) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetString(aValue);
Result := aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TFMXChromium.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.UpdatePreference', e) then raise;
end;
end;
function TFMXChromium.UpdatePreference(const aBrowser: ICefBrowser; const aName : ustring; const aValue : TStringList) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
TempList : ICefListValue;
i : NativeUInt;
TempSize : NativeUInt;
begin
Result := False;
try
if (aValue <> nil) and
(aValue.Count > 0) and
(aBrowser <> nil) and
(aBrowser.Host <> nil) and
aBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempSize := aValue.Count;
TempList := TCefListValueRef.New;
if TempList.SetSize(TempSize) then
begin
i := 0;
while (i < TempSize) do
begin
TempList.SetString(i, aValue[i]);
inc(i);
end;
TempValue := TCefValueRef.New;
Result := TempValue.SetList(TempList) and
aBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TFMXChromium.UpdatePreference error : ' + quotedstr(TempError));
end;
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.UpdatePreference', e) then raise;
end;
end;
function TFMXChromium.UpdateStringListPref(const aBrowser: ICefBrowser; const aName, aValue : ustring) : boolean;
var
TempSL : TStringList;
begin
Result := False;
TempSL := nil;
try
if (length(aName) > 0) and (length(aValue) > 0) then
begin
TempSL := TStringList.Create;
TempSL.CommaText := aValue;
Result := UpdatePreference(aBrowser, aName, TempSL);
end;
finally
if (TempSL <> nil) then FreeAndNil(TempSL);
end;
end;
procedure TFMXChromium.HandleNull(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : -null-')
else
aResultSL.Add('-null-');
end;
procedure TFMXChromium.HandleBool(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + BoolToStr(aValue.GetBool, true))
else
aResultSL.Add(BoolToStr(aValue.GetBool, true));
end;
procedure TFMXChromium.HandleInteger(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + IntToStr(aValue.GetInt))
else
aResultSL.Add(IntToStr(aValue.GetInt));
end;
procedure TFMXChromium.HandleDouble(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + FloatToStr(aValue.GetDouble))
else
aResultSL.Add(FloatToStr(aValue.GetDouble));
end;
procedure TFMXChromium.HandleString(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + aValue.GetString)
else
aResultSL.Add(aValue.GetString);
end;
procedure TFMXChromium.HandleBinary(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : -binary-')
else
aResultSL.Add('-binary-');
end;
procedure TFMXChromium.HandleList(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey, TempResult : string;
i, j : integer;
TempList : ICefListValue;
TempValue : ICefValue;
TempSL : TStringList;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
TempList := aValue.GetList;
TempSL := TStringList.Create;
i := 0;
j := TempList.GetSize;
TempResult := '(' + inttostr(j) + '){';
while (i < j) do
begin
TempValue := TempList.GetValue(i);
case TempValue.GetType of
VTYPE_NULL : TempResult := TempResult + '-null-,';
VTYPE_BOOL : TempResult := TempResult + BoolToStr(TempValue.GetBool, true) + ',';
VTYPE_INT : TempResult := TempResult + IntToStr(TempValue.GetInt) + ',';
VTYPE_DOUBLE : TempResult := TempResult + FloatToStr(TempValue.GetDouble) + ',';
VTYPE_STRING : TempResult := TempResult + TempValue.GetString + ',';
VTYPE_BINARY : TempResult := TempResult + '-binary-,';
VTYPE_DICTIONARY :
begin
TempSL.Clear;
HandleDictionary(TempValue.GetDictionary, TempSL, '');
TempResult := TempResult + TempSL.CommaText + ',';
end;
VTYPE_LIST :
begin
TempSL.Clear;
HandleList(TempValue, TempSL, '', '');
TempResult := TempResult + TempSL.CommaText + ',';
end;
else TempResult := TempResult + '-invalid-,';
end;
inc(i);
end;
i := length(TempResult);
if (i > 0) and (TempResult[i] = ',') then TempResult := copy(TempResult, 1, pred(i));
TempResult := TempResult + '}';
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + TempResult)
else
aResultSL.Add(TempResult);
TempSL.Free;
end;
procedure TFMXChromium.HandleInvalid(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : -invalid-')
else
aResultSL.Add('-invalid-');
end;
procedure TFMXChromium.HandleDictionary(const aDict : ICefDictionaryValue; var aResultSL : TStringList; const aRoot : string);
var
TempKeys : TStringList;
i, j : integer;
TempValue : ICefValue;
TempNewKey : string;
begin
TempKeys := nil;
try
try
if (aDict <> nil) then
begin
TempKeys := TStringList.Create;
aDict.GetKeys(TempKeys);
i := 0;
j := TempKeys.Count;
while (i < j) do
begin
TempValue := aDict.GetValue(TempKeys[i]);
case TempValue.GetType of
VTYPE_NULL : HandleNull(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_BOOL : HandleBool(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_INT : HandleInteger(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_DOUBLE : HandleDouble(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_STRING : HandleString(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_BINARY : HandleBinary(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_LIST : HandleList(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_DICTIONARY :
begin
if (length(aRoot) > 0) then
TempNewKey := aRoot + '.' + TempKeys[i]
else
TempNewKey := TempKeys[i];
HandleDictionary(TempValue.GetDictionary, aResultSL, TempNewKey);
end;
else
HandleInvalid(TempValue, aResultSL, aRoot, TempKeys[i]);
end;
inc(i);
end;
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.HandleDictionary', e) then raise;
end;
finally
if (TempKeys <> nil) then TempKeys.Free;
end;
end;
function TFMXChromium.doSavePreferences : boolean;
var
TempDict : ICefDictionaryValue;
TempPrefs : TStringList;
begin
Result := False;
TempPrefs := nil;
try
try
if Initialized then
begin
TempPrefs := TStringList.Create;
TempDict := FBrowser.Host.RequestContext.GetAllPreferences(True);
HandleDictionary(TempDict, TempPrefs, '');
TempPrefs.SaveToFile(FPrefsFileName);
Result := True;
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.Internal_SavePreferences', e) then raise;
end;
finally
if (TempPrefs <> nil) then FreeAndNil(TempPrefs);
end;
end;
procedure TFMXChromium.doResolvedHostAvailable(result: TCefErrorCode; const resolvedIps: TStrings);
begin
if assigned(FOnResolvedHostAvailable) then FOnResolvedHostAvailable(self, result, resolvedIps);
end;
function TFMXChromium.MustCreateLoadHandler : boolean;
begin
Result := assigned(FOnLoadStart) or
assigned(FOnLoadEnd) or
assigned(FOnLoadError) or
assigned(FOnLoadingStateChange);
end;
function TFMXChromium.MustCreateFocusHandler : boolean;
begin
Result := assigned(FOnTakeFocus) or
assigned(FOnSetFocus) or
assigned(FOnGotFocus);
end;
function TFMXChromium.MustCreateContextMenuHandler : boolean;
begin
Result := assigned(FOnBeforeContextMenu) or
assigned(FOnRunContextMenu) or
assigned(FOnContextMenuCommand) or
assigned(FOnContextMenuDismissed);
end;
function TFMXChromium.MustCreateDialogHandler : boolean;
begin
Result := assigned(FOnFileDialog);
end;
function TFMXChromium.MustCreateKeyboardHandler : boolean;
begin
Result := assigned(FOnPreKeyEvent) or
assigned(FOnKeyEvent);
end;
function TFMXChromium.MustCreateDisplayHandler : boolean;
begin
Result := assigned(FOnAddressChange) or
assigned(FOnTitleChange) or
assigned(FOnFavIconUrlChange) or
assigned(FOnFullScreenModeChange) or
assigned(FOnTooltip) or
assigned(FOnStatusMessage) or
assigned(FOnConsoleMessage) or
assigned(FOnAutoResize) or
assigned(FOnLoadingProgressChange);
end;
function TFMXChromium.MustCreateDownloadHandler : boolean;
begin
Result := assigned(FOnBeforeDownload) or
assigned(FOnDownloadUpdated);
end;
function TFMXChromium.MustCreateJsDialogHandler : boolean;
begin
Result := assigned(FOnJsdialog) or
assigned(FOnBeforeUnloadDialog) or
assigned(FOnResetDialogState) or
assigned(FOnDialogClosed);
end;
function TFMXChromium.MustCreateDragHandler : boolean;
begin
Result := assigned(FOnDragEnter) or
assigned(FOnDraggableRegionsChanged);
end;
function TFMXChromium.MustCreateFindHandler : boolean;
begin
Result := assigned(FOnFindResult);
end;
procedure TFMXChromium.doTextResultAvailable(const aText : ustring);
begin
if assigned(FOnTextResultAvailable) then FOnTextResultAvailable(self, aText);
end;
procedure TFMXChromium.ExecuteJavaScript(const aCode, aScriptURL, aFrameName : ustring; aStartLine : integer);
var
TempFrame : ICefFrame;
begin
try
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := FBrowser.GetFrame(aFrameName)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
TempFrame.ExecuteJavaScript(aCode, aScriptURL, aStartLine);
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.ExecuteJavaScript', e) then raise;
end;
end;
procedure TFMXChromium.ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrame : ICefFrame; aStartLine : integer);
begin
try
if Initialized and (aFrame <> nil) then
aFrame.ExecuteJavaScript(aCode, aScriptURL, aStartLine);
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.ExecuteJavaScript', e) then raise;
end;
end;
procedure TFMXChromium.ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrameIdentifier : int64; aStartLine : integer = 0);
var
TempFrame : ICefFrame;
begin
try
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := FBrowser.GetFrameByident(aFrameIdentifier)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
TempFrame.ExecuteJavaScript(aCode, aScriptURL, aStartLine);
end;
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.ExecuteJavaScript', e) then raise;
end;
end;
procedure TFMXChromium.doCookiesDeleted(numDeleted : integer);
begin
if assigned(FOnCookiesDeleted) then FOnCookiesDeleted(self, numDeleted);
end;
procedure TFMXChromium.doPdfPrintFinished(aResultOK : boolean);
begin
if assigned(FOnPdfPrintFinished) then FOnPdfPrintFinished(self, aResultOK);
end;
function TFMXChromium.doOnClose(const browser: ICefBrowser): Boolean;
begin
Result := False;
if (browser <> nil) and (FBrowserId = browser.Identifier) then FClosing := True;
if Assigned(FOnClose) then FOnClose(Self, browser, Result);
end;
procedure TFMXChromium.doOnBeforeClose(const browser: ICefBrowser);
begin
if (browser <> nil) and (FBrowserId = browser.Identifier) then
begin
FInitialized := False;
ClearBrowserReference;
DestroyClientHandler;
end;
if Assigned(FOnBeforeClose) then FOnBeforeClose(Self, browser);
end;
procedure TFMXChromium.doOnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring);
begin
if Assigned(FOnAddressChange) then FOnAddressChange(Self, browser, frame, url);
end;
procedure TFMXChromium.doOnAfterCreated(const browser: ICefBrowser);
begin
if MultithreadApp and (FBrowser = nil) and (browser <> nil) then
begin
FBrowser := browser;
FBrowserId := browser.Identifier;
FInitialized := (FBrowserId <> 0);
end;
doUpdatePreferences(browser);
if Assigned(FOnAfterCreated) then FOnAfterCreated(Self, browser);
end;
function TFMXChromium.doOnBeforeBrowse(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
user_gesture : Boolean;
isRedirect : Boolean): Boolean;
begin
Result := False;
if FUpdatePreferences then doUpdatePreferences(browser);
if Assigned(FOnBeforeBrowse) then FOnBeforeBrowse(Self, browser, frame, request, user_gesture, isRedirect, Result);
end;
procedure TFMXChromium.doOnBeforeContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel);
begin
if Assigned(FOnBeforeContextMenu) then FOnBeforeContextMenu(Self, browser, frame, params, model);
end;
function TFMXChromium.doRunContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel;
const callback : ICefRunContextMenuCallback): Boolean;
begin
Result := False;
if Assigned(FOnRunContextMenu) then FOnRunContextMenu(Self, browser, frame, params, model, callback, Result);
end;
procedure TFMXChromium.doOnBeforeDownload(const browser : ICefBrowser;
const downloadItem : ICefDownloadItem;
const suggestedName : ustring;
const callback : ICefBeforeDownloadCallback);
begin
if Assigned(FOnBeforeDownload) then FOnBeforeDownload(Self, browser, downloadItem, suggestedName, callback);
end;
function TFMXChromium.doOnBeforePopup(const browser : ICefBrowser;
const frame : ICefFrame;
const targetUrl : ustring;
const targetFrameName : ustring;
targetDisposition : TCefWindowOpenDisposition;
userGesture : Boolean;
const popupFeatures : TCefPopupFeatures;
var windowInfo : TCefWindowInfo;
var client : ICefClient;
var settings : TCefBrowserSettings;
var noJavascriptAccess : Boolean): Boolean;
begin
Result := False;
if Assigned(FOnBeforePopup) then
FOnBeforePopup(Self, browser, frame, targetUrl, targetFrameName,
targetDisposition, userGesture, popupFeatures, windowInfo, client,
settings, noJavascriptAccess, Result);
end;
function TFMXChromium.doOnBeforeResourceLoad(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const callback : ICefRequestCallback): TCefReturnValue;
var
TempHeaderMap : ICefStringMultimap;
begin
if FAddCustomHeader then
try
TempHeaderMap := TCefStringMultimapOwn.Create;
request.GetHeaderMap(TempHeaderMap);
TempHeaderMap.Append(FCustomHeaderName, FCustomHeaderValue);
request.SetHeaderMap(TempHeaderMap);
finally
TempHeaderMap := nil;
end;
if not(FSendReferrer) then request.SetReferrer('', REFERRER_POLICY_NO_REFERRER);
Result := RV_CONTINUE;
if Assigned(FOnBeforeResourceLoad) then FOnBeforeResourceLoad(Self, browser, frame, request, callback, Result);
end;
function TFMXChromium.doOnBeforeUnloadDialog(const browser : ICefBrowser;
const messageText : ustring;
isReload : Boolean;
const callback : ICefJsDialogCallback): Boolean;
begin
Result := False;
if Assigned(FOnBeforeUnloadDialog) then FOnBeforeUnloadDialog(Self, browser, messageText, isReload, callback, Result);
end;
function TFMXChromium.doOnCertificateError(const browser : ICefBrowser;
certError : TCefErrorcode;
const requestUrl : ustring;
const sslInfo : ICefSslInfo;
const callback : ICefRequestCallback): Boolean;
begin
Result := False;
if Assigned(FOnCertificateError) then
FOnCertificateError(Self, browser, certError, requestUrl, sslInfo, callback, Result);
end;
function TFMXChromium.doOnConsoleMessage(const browser : ICefBrowser;
level : TCefLogSeverity;
const aMessage : ustring;
const source : ustring;
line : Integer): Boolean;
begin
Result := False;
if Assigned(FOnConsoleMessage) then FOnConsoleMessage(Self, browser, level, aMessage, source, line, Result);
end;
function TFMXChromium.doOnAutoResize(const browser : ICefBrowser;
const new_size : PCefSize): Boolean;
begin
Result := False;
if Assigned(FOnAutoResize) then FOnAutoResize(Self, browser, new_size, Result);
end;
procedure TFMXChromium.doOnLoadingProgressChange(const browser: ICefBrowser; const progress: double);
begin
if assigned(FOnLoadingProgressChange) then FOnLoadingProgressChange(self, browser, progress);
end;
function TFMXChromium.doOnContextMenuCommand(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
commandId : Integer;
eventFlags : TCefEventFlags): Boolean;
begin
Result := False;
if Assigned(FOnContextMenuCommand) then
FOnContextMenuCommand(Self, browser, frame, params, commandId, eventFlags, Result);
end;
procedure TFMXChromium.doOnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame);
begin
if Assigned(FOnContextMenuDismissed) then FOnContextMenuDismissed(Self, browser, frame);
end;
procedure TFMXChromium.doOnCursorChange(const browser : ICefBrowser;
cursor : TCefCursorHandle;
cursorType : TCefCursorType;
const customCursorInfo : PCefCursorInfo);
begin
if assigned(FOnCursorChange) then FOnCursorChange(self, browser, cursor, cursorType, customCursorInfo);
end;
procedure TFMXChromium.doOnDialogClosed(const browser: ICefBrowser);
begin
if Assigned(FOnDialogClosed) then FOnDialogClosed(Self, browser);
end;
procedure TFMXChromium.doOnDownloadUpdated(const browser : ICefBrowser;
const downloadItem : ICefDownloadItem;
const callback : ICefDownloadItemCallback);
begin
if Assigned(FOnDownloadUpdated) then FOnDownloadUpdated(Self, browser, downloadItem, callback);
end;
function TFMXChromium.doOnDragEnter(const browser : ICefBrowser;
const dragData : ICefDragData;
mask : TCefDragOperations): Boolean;
begin
Result := False;
if Assigned(FOnDragEnter) then FOnDragEnter(Self, browser, dragData, mask, Result);
end;
procedure TFMXChromium.doOnDraggableRegionsChanged(const browser : ICefBrowser;
regionsCount : NativeUInt;
regions : PCefDraggableRegionArray);
begin
if Assigned(FOnDraggableRegionsChanged) then FOnDraggableRegionsChanged(Self, browser, regionsCount, regions);
end;
procedure TFMXChromium.doOnFaviconUrlChange(const browser: ICefBrowser; const iconUrls: TStrings);
begin
if Assigned(FOnFavIconUrlChange) then FOnFavIconUrlChange(Self, browser, iconUrls);
end;
function TFMXChromium.doOnFileDialog(const browser : ICefBrowser;
mode : TCefFileDialogMode;
const title : ustring;
const defaultFilePath : ustring;
const acceptFilters : TStrings;
selectedAcceptFilter : Integer;
const callback : ICefFileDialogCallback): Boolean;
begin
Result := False;
if Assigned(FOnFileDialog) then
FOnFileDialog(Self, browser, mode, title, defaultFilePath, acceptFilters,
selectedAcceptFilter, callback, Result);
end;
procedure TFMXChromium.doOnFindResult(const browser : ICefBrowser;
identifier : integer;
count : Integer;
const selectionRect : PCefRect;
activeMatchOrdinal : Integer;
finalUpdate : Boolean);
begin
if Assigned(FOnFindResult) then
FOnFindResult(Self, browser, identifier, count, selectionRect, activeMatchOrdinal, finalUpdate);
end;
procedure TFMXChromium.doOnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean);
begin
if Assigned(FOnFullScreenModeChange) then FOnFullScreenModeChange(Self, browser, fullscreen);
end;
function TFMXChromium.doOnGetAuthCredentials(const browser : ICefBrowser;
const frame : ICefFrame;
isProxy : Boolean;
const host : ustring;
port : Integer;
const realm : ustring;
const scheme : ustring;
const callback : ICefAuthCallback): Boolean;
begin
Result := False;
if isProxy then
begin
if (FProxyType = CEF_PROXYTYPE_FIXED_SERVERS) and (callback <> nil) then
begin
Result := True;
callback.cont(FProxyUsername, FProxyPassword);
end;
end
else
if (frame <> nil) and frame.IsMain and Assigned(FOnGetAuthCredentials) then
FOnGetAuthCredentials(Self, browser, frame, isProxy, host, port, realm, scheme, callback, Result);
end;
function TFMXChromium.doCanGetCookies(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest): boolean;
begin
Result := True;
if assigned(FOnCanGetCookies) then FOnCanGetCookies(self, browser, frame, request, Result);
end;
function TFMXChromium.doCanSetCookie(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const cookie : PCefCookie): boolean;
begin
Result := True;
if assigned(FOnCanSetCookie) then FOnCanSetCookie(self, browser, frame, request, cookie, Result);
end;
function TFMXChromium.doOnGetResourceHandler(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest): ICefResourceHandler;
begin
Result := nil;
if Assigned(FOnGetResourceHandler) then
FOnGetResourceHandler(Self, browser, frame, request, Result);
end;
procedure TFMXChromium.doOnGetAccessibilityHandler(var aAccessibilityHandler : ICefAccessibilityHandler);
begin
if assigned(FOnGetAccessibilityHandler) then FOnGetAccessibilityHandler(Self, aAccessibilityHandler);
end;
function TFMXChromium.doOnGetRootScreenRect(const browser: ICefBrowser; var rect: TCefRect): Boolean;
begin
Result := False;
if Assigned(FOnGetRootScreenRect) then FOnGetRootScreenRect(Self, browser, rect, Result);
end;
function TFMXChromium.doOnGetScreenInfo(const browser: ICefBrowser; var screenInfo: TCefScreenInfo): Boolean;
begin
Result := False;
if Assigned(FOnGetScreenInfo) then FOnGetScreenInfo(Self, browser, screenInfo, Result);
end;
function TFMXChromium.doOnGetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer; var screenX, screenY: Integer): Boolean;
begin
Result := False;
if Assigned(FOnGetScreenPoint) then FOnGetScreenPoint(Self, browser, viewX, viewY, screenX, screenY, Result);
end;
function TFMXChromium.doOnGetViewRect(const browser: ICefBrowser; var rect: TCefRect): Boolean;
begin
Result := False;
if Assigned(FOnGetViewRect) then FOnGetViewRect(Self, browser, rect, Result);
end;
procedure TFMXChromium.doOnGotFocus(const browser: ICefBrowser);
begin
if Assigned(FOnGotFocus) then FOnGotFocus(Self, browser)
end;
function TFMXChromium.doOnJsdialog(const browser : ICefBrowser;
const originUrl : ustring;
dialogType : TCefJsDialogType;
const messageText : ustring;
const defaultPromptText : ustring;
const callback : ICefJsDialogCallback;
out suppressMessage : Boolean): Boolean;
begin
Result := False;
if not(Initialized) then
suppressMessage := True
else
begin
suppressMessage := False;
if Assigned(FOnJsdialog) then
FOnJsdialog(Self, browser, originUrl, dialogType, messageText,
defaultPromptText, callback, suppressMessage, Result);
end;
end;
function TFMXChromium.doOnKeyEvent(const browser : ICefBrowser;
const event : PCefKeyEvent;
osEvent : TCefEventHandle): Boolean;
begin
Result := False;
if Assigned(FOnKeyEvent) then FOnKeyEvent(Self, browser, event, osEvent, Result);
end;
procedure TFMXChromium.doOnLoadEnd(const browser : ICefBrowser;
const frame : ICefFrame;
httpStatusCode : Integer);
begin
if Assigned(FOnLoadEnd) then FOnLoadEnd(Self, browser, frame, httpStatusCode);
end;
procedure TFMXChromium.doOnLoadError(const browser : ICefBrowser;
const frame : ICefFrame;
errorCode : TCefErrorCode;
const errorText : ustring;
const failedUrl : ustring);
begin
if Assigned(FOnLoadError) then FOnLoadError(Self, browser, frame, errorCode, errorText, failedUrl);
end;
procedure TFMXChromium.doOnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);
begin
if Assigned(FOnLoadingStateChange) then FOnLoadingStateChange(Self, browser, isLoading, canGoBack, canGoForward);
end;
procedure TFMXChromium.doOnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType);
begin
if Assigned(FOnLoadStart) then FOnLoadStart(Self, browser, frame, transitionType);
end;
function TFMXChromium.doOnOpenUrlFromTab(const browser : ICefBrowser;
const frame : ICefFrame;
const targetUrl : ustring;
targetDisposition : TCefWindowOpenDisposition;
userGesture : Boolean): Boolean;
begin
Result := False;
if Assigned(FOnOpenUrlFromTab) then
FOnOpenUrlFromTab(Self, browser, frame, targetUrl, targetDisposition, userGesture, Result);
end;
procedure TFMXChromium.doOnPaint(const browser : ICefBrowser;
kind : TCefPaintElementType;
dirtyRectsCount : NativeUInt;
const dirtyRects : PCefRectArray;
const buffer : Pointer;
width : Integer;
height : Integer);
begin
if Assigned(FOnPaint) then FOnPaint(Self, browser, kind, dirtyRectsCount, dirtyRects, buffer, width, height);
end;
function TFMXChromium.doOnSelectClientCertificate(const browser : ICefBrowser;
isProxy : boolean;
const host : ustring;
port : integer;
certificatesCount : NativeUInt;
const certificates : TCefX509CertificateArray;
const callback : ICefSelectClientCertificateCallback): boolean;
begin
Result := False;
if assigned(FOnSelectClientCertificate) then
FOnSelectClientCertificate(self, browser, isProxy, host, port, certificatesCount, certificates, callback, Result);
end;
procedure TFMXChromium.doOnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring);
begin
if Assigned(FOnPluginCrashed) then FOnPluginCrashed(Self, browser, pluginPath);
end;
procedure TFMXChromium.doOnPopupShow(const browser: ICefBrowser; show: Boolean);
begin
if assigned(FOnPopupShow) then FOnPopupShow(self, browser, show);
end;
procedure TFMXChromium.doOnPopupSize(const browser: ICefBrowser; const rect: PCefRect);
begin
if assigned(FOnPopupSize) then FOnPopupSize(self, browser, rect);
end;
function TFMXChromium.doOnPreKeyEvent(const browser : ICefBrowser;
const event : PCefKeyEvent;
osEvent : TCefEventHandle;
out isKeyboardShortcut : Boolean): Boolean;
begin
Result := False;
if Assigned(FOnPreKeyEvent) then FOnPreKeyEvent(Self, browser, event, osEvent, isKeyboardShortcut, Result);
end;
function TFMXChromium.doOnProcessMessageReceived(const browser : ICefBrowser;
sourceProcess : TCefProcessId;
const aMessage : ICefProcessMessage): Boolean;
begin
Result := False;
if Assigned(FOnProcessMessageReceived) then
FOnProcessMessageReceived(Self, browser, sourceProcess, aMessage, Result);
end;
procedure TFMXChromium.doOnProtocolExecution(const browser : ICefBrowser;
const url : ustring;
out allowOsExecution : Boolean);
begin
if Assigned(FOnProtocolExecution) then FOnProtocolExecution(Self, browser, url, allowOsExecution);
end;
function TFMXChromium.doOnQuotaRequest(const browser : ICefBrowser;
const originUrl : ustring;
newSize : Int64;
const callback : ICefRequestCallback): Boolean;
begin
Result := False;
if Assigned(FOnQuotaRequest) then FOnQuotaRequest(Self, browser, originUrl, newSize, callback, Result);
end;
procedure TFMXChromium.doOnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus);
begin
if Assigned(FOnRenderProcessTerminated) then FOnRenderProcessTerminated(Self, browser, status);
end;
procedure TFMXChromium.doOnRenderViewReady(const browser: ICefBrowser);
begin
{$IFDEF MSWINDOWS}
if (browser <> nil) and
(browser.Host <> nil) and
(browser.Identifier = FBrowserId) then
begin
FBrowserCompHWND := browser.Host.WindowHandle;
if (FBrowserCompHWND <> 0) then
FWidgetCompHWND := FindWindowEx(FBrowserCompHWND, 0, 'Chrome_WidgetWin_0', '');
if (FWidgetCompHWND <> 0) then
FRenderCompHWND := FindWindowEx(FWidgetCompHWND, 0, 'Chrome_RenderWidgetHostHWND', 'Chrome Legacy Window');
if assigned(FOnBrowserCompMsg) and (FBrowserCompHWND <> 0) and (FOldBrowserCompWndPrc = nil) then
begin
CreateStub(BrowserCompWndProc, FBrowserCompStub);
FOldBrowserCompWndPrc := TFNWndProc(SetWindowLongPtr(FBrowserCompHWND,
GWL_WNDPROC,
NativeInt(FBrowserCompStub)));
end;
if assigned(FOnWidgetCompMsg) and (FWidgetCompHWND <> 0) and (FOldWidgetCompWndPrc = nil) then
begin
CreateStub(WidgetCompWndProc, FWidgetCompStub);
FOldWidgetCompWndPrc := TFNWndProc(SetWindowLongPtr(FWidgetCompHWND,
GWL_WNDPROC,
NativeInt(FWidgetCompStub)));
end;
if assigned(FOnRenderCompMsg) and (FRenderCompHWND <> 0) and (FOldRenderCompWndPrc = nil) then
begin
CreateStub(RenderCompWndProc, FRenderCompStub);
FOldRenderCompWndPrc := TFNWndProc(SetWindowLongPtr(FRenderCompHWND,
GWL_WNDPROC,
NativeInt(FRenderCompStub)));
end;
end;
{$ENDIF}
if Assigned(FOnRenderViewReady) then FOnRenderViewReady(Self, browser);
end;
procedure TFMXChromium.doOnResetDialogState(const browser: ICefBrowser);
begin
if Assigned(FOnResetDialogState) then FOnResetDialogState(Self, browser);
end;
procedure TFMXChromium.doOnResourceRedirect(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse;
var newUrl : ustring);
begin
if Assigned(FOnResourceRedirect) then FOnResourceRedirect(Self, browser, frame, request, response, newUrl);
end;
function TFMXChromium.doOnResourceResponse(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse): Boolean;
begin
Result := False;
if Assigned(FOnResourceResponse) then FOnResourceResponse(Self, browser, frame, request, response, Result);
end;
function TFMXChromium.doOnGetResourceResponseFilter(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse) : ICefResponseFilter;
begin
Result := nil;
if Assigned(FOnGetResourceResponseFilter) then
FOnGetResourceResponseFilter(self, browser, frame, request, response, Result);
end;
procedure TFMXChromium.doOnResourceLoadComplete(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse;
status : TCefUrlRequestStatus;
receivedContentLength : Int64);
begin
if Assigned(FOnResourceLoadComplete) then
FOnResourceLoadComplete(self, browser, frame, request, response, status, receivedContentLength);
end;
procedure TFMXChromium.doOnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double);
begin
if Assigned(FOnScrollOffsetChanged) then FOnScrollOffsetChanged(Self, browser, x, y);
end;
procedure TFMXChromium.doOnIMECompositionRangeChanged(const browser : ICefBrowser;
const selected_range : PCefRange;
character_boundsCount : NativeUInt;
const character_bounds : PCefRect);
begin
if assigned(FOnIMECompositionRangeChanged) then
FOnIMECompositionRangeChanged(self, browser, selected_range, character_boundsCount, character_bounds);
end;
procedure TFMXChromium.doOnTextSelectionChanged(const browser : ICefBrowser;
const selected_text : ustring;
const selected_range : PCefRange);
begin
if assigned(FOnTextSelectionChanged) then
FOnTextSelectionChanged(self, browser, selected_text, selected_range);
end;
function TFMXChromium.doOnSetFocus(const browser: ICefBrowser; source: TCefFocusSource): Boolean;
begin
Result := False;
if Assigned(FOnSetFocus) then FOnSetFocus(Self, browser, source, Result);
end;
function TFMXChromium.doOnStartDragging(const browser : ICefBrowser;
const dragData : ICefDragData;
allowedOps : TCefDragOperations;
x : integer;
y : Integer): Boolean;
begin
Result := False;
end;
procedure TFMXChromium.doOnStatusMessage(const browser: ICefBrowser; const value: ustring);
begin
if Assigned(FOnStatusMessage) then FOnStatusMessage(Self, browser, value);
end;
procedure TFMXChromium.doOnTakeFocus(const browser: ICefBrowser; next: Boolean);
begin
if Assigned(FOnTakeFocus) then FOnTakeFocus(Self, browser, next);
end;
procedure TFMXChromium.doOnTitleChange(const browser: ICefBrowser; const title: ustring);
begin
if Assigned(FOnTitleChange) then FOnTitleChange(Self, browser, title);
end;
function TFMXChromium.doOnTooltip(const browser: ICefBrowser; var text: ustring): Boolean;
begin
Result := False;
if Assigned(FOnTooltip) then FOnTooltip(Self, browser, text, Result);
end;
procedure TFMXChromium.doOnUpdateDragCursor(const browser: ICefBrowser; operation: TCefDragOperation);
begin
//
end;
function TFMXChromium.GetParentForm : TCustomForm;
var
TempComp : TComponent;
begin
Result := nil;
TempComp := Owner;
while (TempComp <> nil) do
if (TempComp is TCustomForm) then
begin
Result := TCustomForm(TempComp);
exit;
end
else
TempComp := TempComp.owner;
end;
{$IFDEF MSWINDOWS}
procedure TFMXChromium.CreateStub(const aMethod : TWndMethod; var aStub : Pointer);
begin
if (aStub = nil) then aStub := MakeObjectInstance(aMethod);
end;
procedure TFMXChromium.FreeAndNilStub(var aStub : pointer);
begin
if (aStub <> nil) then
begin
FreeObjectInstance(aStub);
aStub := nil;
end;
end;
procedure TFMXChromium.BrowserCompWndProc(var aMessage: TMessage);
var
TempHandled : boolean;
begin
try
TempHandled := False;
if assigned(FOnBrowserCompMsg) then
FOnBrowserCompMsg(aMessage, TempHandled);
if not(TempHandled) and
(FOldBrowserCompWndPrc <> nil) and
(FBrowserCompHWND <> 0) then
aMessage.Result := CallWindowProc(FOldBrowserCompWndPrc,
FBrowserCompHWND,
aMessage.Msg,
aMessage.wParam,
aMessage.lParam);
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.BrowserCompWndProc', e) then raise;
end;
end;
procedure TFMXChromium.WidgetCompWndProc(var aMessage: TMessage);
var
TempHandled : boolean;
begin
try
TempHandled := False;
if assigned(FOnWidgetCompMsg) then
FOnWidgetCompMsg(aMessage, TempHandled);
if not(TempHandled) and
(FOldWidgetCompWndPrc <> nil) and
(FWidgetCompHWND <> 0) then
aMessage.Result := CallWindowProc(FOldWidgetCompWndPrc,
FWidgetCompHWND,
aMessage.Msg,
aMessage.wParam,
aMessage.lParam);
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.WidgetCompWndProc', e) then raise;
end;
end;
procedure TFMXChromium.RenderCompWndProc(var aMessage: TMessage);
var
TempHandled : boolean;
begin
try
TempHandled := False;
if assigned(FOnRenderCompMsg) then
FOnRenderCompMsg(aMessage, TempHandled);
if not(TempHandled) and
(FOldRenderCompWndPrc <> nil) and
(FRenderCompHWND <> 0) then
aMessage.Result := CallWindowProc(FOldRenderCompWndPrc,
FRenderCompHWND,
aMessage.Msg,
aMessage.wParam,
aMessage.lParam);
except
on e : exception do
if CustomExceptionHandler('TFMXChromium.RenderCompWndProc', e) then raise;
end;
end;
{$ENDIF}
procedure TFMXChromium.MoveFormTo(const x, y: Integer);
var
TempForm : TCustomForm;
{$IFDEF DELPHI17_UP}
TempRect : TRect;
{$ENDIF}
begin
TempForm := GetParentForm;
{$IFDEF DELPHI17_UP}
if (TempForm <> nil) then
begin
TempRect.Left := min(max(x, max(screen.DesktopLeft, 0)), screen.DesktopWidth - TempForm.Width);
TempRect.Top := min(max(y, max(screen.DesktopTop, 0)), screen.DesktopHeight - TempForm.Height);
TempRect.Right := TempRect.Left + TempForm.Width - 1;
TempRect.Bottom := TempRect.Top + TempForm.Height - 1;
TempForm.SetBounds(TempRect.Left, TempRect.Top, TempRect.Right - TempRect.Left + 1, TempRect.Bottom - TempRect.Top + 1);
end;
{$ELSE}
TempForm.SetBounds(x, y, TempForm.Width, TempForm.Height);
{$ENDIF}
end;
procedure TFMXChromium.MoveFormBy(const x, y: Integer);
var
TempForm : TCustomForm;
{$IFDEF DELPHI17_UP}
TempRect : TRect;
{$ENDIF}
begin
TempForm := GetParentForm;
{$IFDEF DELPHI17_UP}
if (TempForm <> nil) then
begin
TempRect.Left := min(max(TempForm.Left + x, max(screen.DesktopLeft, 0)), screen.DesktopWidth - TempForm.Width);
TempRect.Top := min(max(TempForm.Top + y, max(screen.DesktopTop, 0)), screen.DesktopHeight - TempForm.Height);
TempRect.Right := TempRect.Left + TempForm.Width - 1;
TempRect.Bottom := TempRect.Top + TempForm.Height - 1;
TempForm.SetBounds(TempRect.Left, TempRect.Top, TempRect.Right - TempRect.Left + 1, TempRect.Bottom - TempRect.Top + 1);
end;
{$ELSE}
TempForm.SetBounds(TempForm.Left + x, TempForm.Top + y, TempForm.Width, TempForm.Height);
{$ENDIF}
end;
procedure TFMXChromium.ResizeFormWidthTo(const x : Integer);
var
TempForm : TCustomForm;
TempX, TempDeltaX : integer;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempX := max(x, 100);
TempDeltaX := TempForm.Width - TempForm.ClientWidth;
TempForm.Width := TempX + TempDeltaX;
end;
end;
procedure TFMXChromium.ResizeFormHeightTo(const y : Integer);
var
TempForm : TCustomForm;
TempY, TempDeltaY : integer;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempY := max(y, 100);
TempDeltaY := TempForm.Height - TempForm.ClientHeight;
TempForm.Height := TempY + TempDeltaY;
end;
end;
procedure TFMXChromium.SetFormLeftTo(const x : Integer);
var
TempForm : TCustomForm;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
{$IFDEF DELPHI17_UP}
TempForm.Left := min(max(x, max(screen.DesktopLeft, 0)), screen.DesktopWidth - TempForm.Width);
{$ELSE}
TempForm.Left := x;
{$ENDIF}
end;
procedure TFMXChromium.SetFormTopTo(const y : Integer);
var
TempForm : TCustomForm;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
{$IFDEF DELPHI17_UP}
TempForm.Top := min(max(y, max(screen.DesktopTop, 0)), screen.DesktopHeight - TempForm.Height);
{$ELSE}
TempForm.Top := y;
{$ENDIF}
end;
procedure TFMXChromium.WasResized;
begin
if Initialized then FBrowser.Host.WasResized;
end;
procedure TFMXChromium.WasHidden(hidden: Boolean);
begin
if Initialized then FBrowser.Host.WasHidden(hidden);
end;
procedure TFMXChromium.NotifyScreenInfoChanged;
begin
if Initialized then FBrowser.Host.NotifyScreenInfoChanged;
end;
procedure TFMXChromium.NotifyMoveOrResizeStarted;
begin
if Initialized then FBrowser.Host.NotifyMoveOrResizeStarted;
end;
procedure TFMXChromium.Invalidate(kind: TCefPaintElementType);
begin
if Initialized then
begin
if FIsOSR then
FBrowser.Host.Invalidate(kind)
else
if (RenderHandle <> 0) then
InvalidateRect(RenderHandle, nil, False)
else
InvalidateRect(WindowHandle, nil, False);
end;
end;
procedure TFMXChromium.SendKeyEvent(const event: PCefKeyEvent);
begin
if Initialized then FBrowser.Host.SendKeyEvent(event);
end;
procedure TFMXChromium.SendMouseClickEvent(const event : PCefMouseEvent;
kind : TCefMouseButtonType;
mouseUp : Boolean;
clickCount : Integer);
begin
if Initialized then FBrowser.Host.SendMouseClickEvent(event, kind, mouseUp, clickCount);
end;
procedure TFMXChromium.SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean);
begin
if Initialized then FBrowser.Host.SendMouseMoveEvent(event, mouseLeave);
end;
procedure TFMXChromium.SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer);
begin
if Initialized then FBrowser.Host.SendMouseWheelEvent(event, deltaX, deltaY);
end;
procedure TFMXChromium.SendFocusEvent(setFocus: Boolean);
begin
if Initialized then FBrowser.Host.SendFocusEvent(setFocus);
end;
procedure TFMXChromium.SendCaptureLostEvent;
begin
if Initialized then FBrowser.Host.SendCaptureLostEvent;
end;
procedure TFMXChromium.SetFocus(focus: Boolean);
begin
if Initialized then FBrowser.Host.SetFocus(focus);
end;
procedure TFMXChromium.SetAccessibilityState(accessibilityState: TCefState);
begin
if Initialized then FBrowser.Host.SetAccessibilityState(accessibilityState);
end;
function TFMXChromium.SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage): Boolean;
begin
Result := Initialized and FBrowser.SendProcessMessage(targetProcess, ProcMessage);
end;
procedure TFMXChromium.DragTargetDragEnter(const dragData: ICefDragData; const event: PCefMouseEvent; allowedOps: TCefDragOperations);
begin
if Initialized then FBrowser.Host.DragTargetDragEnter(dragData, event, allowedOps);
end;
procedure TFMXChromium.DragTargetDragOver(const event: PCefMouseEvent; allowedOps: TCefDragOperations);
begin
if Initialized then FBrowser.Host.DragTargetDragOver(event, allowedOps);
end;
procedure TFMXChromium.DragTargetDragLeave;
begin
if Initialized then FBrowser.Host.DragTargetDragLeave;
end;
procedure TFMXChromium.DragTargetDrop(event: PCefMouseEvent);
begin
if Initialized then FBrowser.Host.DragTargetDrop(event);
end;
procedure TFMXChromium.DragSourceEndedAt(x, y: Integer; op: TCefDragOperation);
begin
if Initialized then FBrowser.Host.DragSourceEndedAt(x, y, op);
end;
procedure TFMXChromium.DragSourceSystemDragEnded;
begin
if Initialized then FBrowser.Host.DragSourceSystemDragEnded;
end;
end.
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