mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-24 08:02:15 +02:00
1fa2f43b0c
- Modified CefPostTask and CefPostDelayedTask to return a boolean value. - Added CefCurrentlyOn helper function. - Replaced all "CEF3" mentions by "CEF".
384 lines
15 KiB
ObjectPascal
384 lines
15 KiB
ObjectPascal
// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
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// browser in Delphi applications.
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//
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// The original license of DCEF3 still applies to CEF4Delphi.
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//
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// For more information about CEF4Delphi visit :
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// https://www.briskbard.com/index.php?lang=en&pageid=cef
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//
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// Copyright © 2019 Salvador Diaz Fau. All rights reserved.
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//
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// ************************************************************************
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// ************ vvvv Original license and comments below vvvv *************
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// ************************************************************************
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(*
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* Delphi Chromium Embedded 3
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*
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* Usage allowed under the restrictions of the Lesser GNU General Public License
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* or alternatively the restrictions of the Mozilla Public License 1.1
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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* the specific language governing rights and limitations under the License.
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*
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* Unit owner : Henri Gourvest <hgourvest@gmail.com>
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* Web site : http://www.progdigy.com
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* Repository : http://code.google.com/p/delphichromiumembedded/
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* Group : http://groups.google.com/group/delphichromiumembedded
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*
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* Embarcadero Technologies, Inc is not permitted to use or redistribute
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* this source code without explicit permission.
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*
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*)
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unit uCEFRequestContext;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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{$I cef.inc}
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interface
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uses
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{$IFDEF DELPHI16_UP}
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System.Classes, System.SysUtils,
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{$ELSE}
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Classes, SysUtils,
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{$ENDIF}
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes, uCEFCompletionCallback;
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type
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TCefRequestContextRef = class(TCefBaseRefCountedRef, ICefRequestContext)
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protected
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function IsSame(const other: ICefRequestContext): Boolean;
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function IsSharingWith(const other: ICefRequestContext): Boolean;
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function IsGlobal: Boolean;
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function GetHandler: ICefRequestContextHandler;
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function GetCachePath: ustring;
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function GetCookieManager(const callback: ICefCompletionCallback): ICefCookieManager;
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function GetCookieManagerProc(const callback: TCefCompletionCallbackProc): ICefCookieManager;
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function RegisterSchemeHandlerFactory(const schemeName, domainName: ustring; const factory: ICefSchemeHandlerFactory): Boolean;
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function ClearSchemeHandlerFactories: Boolean;
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procedure PurgePluginListCache(reloadPages: Boolean);
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function HasPreference(const name: ustring): Boolean;
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function GetPreference(const name: ustring): ICefValue;
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function GetAllPreferences(includeDefaults: Boolean): ICefDictionaryValue;
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function CanSetPreference(const name: ustring): Boolean;
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function SetPreference(const name: ustring; const value: ICefValue; out error: ustring): Boolean;
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procedure ClearCertificateExceptions(const callback: ICefCompletionCallback);
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procedure ClearHttpAuthCredentials(const callback: ICefCompletionCallback);
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procedure CloseAllConnections(const callback: ICefCompletionCallback);
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procedure ResolveHost(const origin: ustring; const callback: ICefResolveCallback);
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procedure LoadExtension(const root_directory: ustring; const manifest: ICefDictionaryValue; const handler: ICefExtensionHandler);
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function DidLoadExtension(const extension_id: ustring): boolean;
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function HasExtension(const extension_id: ustring): boolean;
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function GetExtensions(const extension_ids: TStringList): boolean;
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function GetExtension(const extension_id: ustring): ICefExtension;
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public
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class function UnWrap(data: Pointer): ICefRequestContext;
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class function Global: ICefRequestContext;
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class function New(const settings: PCefRequestContextSettings; const handler: ICefRequestContextHandler = nil): ICefRequestContext; overload;
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class function New(const aCache, aAcceptLanguageList : ustring; aPersistSessionCookies, aPersistUserPreferences, aIgnoreCertificateErrors, aEnableNetSecurityExpiration : boolean; const handler: ICefRequestContextHandler = nil): ICefRequestContext; overload;
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class function Shared(const other: ICefRequestContext; const handler: ICefRequestContextHandler): ICefRequestContext;
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end;
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TCefClearCertificateExceptionsCompletionCallback = class(TCefCustomCompletionCallback)
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protected
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procedure OnComplete; override;
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end;
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TCefClearHttpAuthCredentialsCompletionCallback = class(TCefCustomCompletionCallback)
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protected
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procedure OnComplete; override;
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end;
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TCefCloseAllConnectionsCompletionCallback = class(TCefCustomCompletionCallback)
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protected
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procedure OnComplete; override;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFValue, uCEFDictionaryValue, uCEFCookieManager,
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uCEFRequestContextHandler, uCEFExtension, uCEFStringList;
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function TCefRequestContextRef.ClearSchemeHandlerFactories: Boolean;
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begin
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Result := PCefRequestContext(FData)^.clear_scheme_handler_factories(PCefRequestContext(FData)) <> 0;
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end;
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function TCefRequestContextRef.GetCachePath: ustring;
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begin
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Result := CefStringFreeAndGet(PCefRequestContext(FData)^.get_cache_path(PCefRequestContext(FData)));
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end;
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function TCefRequestContextRef.GetCookieManager(const callback: ICefCompletionCallback): ICefCookieManager;
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begin
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Result := TCefCookieManagerRef.UnWrap(PCefRequestContext(FData)^.get_cookie_manager(PCefRequestContext(FData), CefGetData(callback)));
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end;
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function TCefRequestContextRef.GetCookieManagerProc(const callback: TCefCompletionCallbackProc): ICefCookieManager;
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begin
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Result := GetCookieManager(TCefFastCompletionCallback.Create(callback));
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end;
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function TCefRequestContextRef.GetHandler: ICefRequestContextHandler;
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begin
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Result := TCefRequestContextHandlerRef.UnWrap(PCefRequestContext(FData)^.get_handler(PCefRequestContext(FData)));
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end;
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class function TCefRequestContextRef.Global: ICefRequestContext;
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begin
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Result := UnWrap(cef_request_context_get_global_context());
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end;
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function TCefRequestContextRef.IsGlobal: Boolean;
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begin
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Result := PCefRequestContext(FData)^.is_global(PCefRequestContext(FData)) <> 0;
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end;
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function TCefRequestContextRef.IsSame(const other: ICefRequestContext): Boolean;
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begin
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Result := PCefRequestContext(FData)^.is_same(PCefRequestContext(FData), CefGetData(other)) <> 0;
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end;
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function TCefRequestContextRef.IsSharingWith(const other: ICefRequestContext): Boolean;
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begin
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Result := PCefRequestContext(FData)^.is_sharing_with(PCefRequestContext(FData), CefGetData(other)) <> 0;
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end;
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class function TCefRequestContextRef.New(const settings : PCefRequestContextSettings;
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const handler : ICefRequestContextHandler): ICefRequestContext;
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begin
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Result := UnWrap(cef_request_context_create_context(settings, CefGetData(handler)));
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end;
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class function TCefRequestContextRef.New(const aCache : ustring;
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const aAcceptLanguageList : ustring;
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aPersistSessionCookies : boolean;
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aPersistUserPreferences : boolean;
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aIgnoreCertificateErrors : boolean;
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aEnableNetSecurityExpiration : boolean;
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const handler : ICefRequestContextHandler): ICefRequestContext;
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var
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TempSettings : TCefRequestContextSettings;
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begin
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TempSettings.size := SizeOf(TCefRequestContextSettings);
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TempSettings.cache_path := CefString(aCache);
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TempSettings.persist_session_cookies := Ord(aPersistSessionCookies);
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TempSettings.persist_user_preferences := Ord(aPersistUserPreferences);
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TempSettings.ignore_certificate_errors := Ord(aIgnoreCertificateErrors);
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TempSettings.enable_net_security_expiration := Ord(aEnableNetSecurityExpiration);
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TempSettings.accept_language_list := CefString(aAcceptLanguageList);
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Result := UnWrap(cef_request_context_create_context(@TempSettings, CefGetData(handler)));
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end;
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procedure TCefRequestContextRef.PurgePluginListCache(reloadPages: Boolean);
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begin
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PCefRequestContext(FData)^.purge_plugin_list_cache(PCefRequestContext(FData), Ord(reloadPages));
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end;
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function TCefRequestContextRef.HasPreference(const name: ustring): Boolean;
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var
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TempName : TCefString;
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begin
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TempName := CefString(name);
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Result := PCefRequestContext(FData)^.has_preference(PCefRequestContext(FData), @TempName) <> 0;
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end;
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function TCefRequestContextRef.GetPreference(const name: ustring): ICefValue;
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var
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TempName : TCefString;
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begin
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TempName := CefString(name);
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Result := TCefValueRef.UnWrap(PCefRequestContext(FData)^.get_preference(PCefRequestContext(FData), @TempName));
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end;
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function TCefRequestContextRef.GetAllPreferences(includeDefaults: Boolean): ICefDictionaryValue;
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begin
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Result := TCefDictionaryValueRef.UnWrap(PCefRequestContext(FData)^.get_all_preferences(PCefRequestContext(FData), Ord(includeDefaults)));
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end;
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function TCefRequestContextRef.CanSetPreference(const name: ustring): Boolean;
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var
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TempName : TCefString;
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begin
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TempName := CefString(name);
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Result := PCefRequestContext(FData)^.can_set_preference(PCefRequestContext(FData), @TempName) <> 0;
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end;
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function TCefRequestContextRef.SetPreference(const name : ustring;
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const value : ICefValue;
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out error : ustring): Boolean;
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var
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TempName, TempError : TCefString;
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begin
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TempName := CefString(name);
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FillChar(TempError, SizeOf(TempError), 0);
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Result := PCefRequestContext(FData)^.set_preference(PCefRequestContext(FData), @TempName, CefGetData(value), @TempError) <> 0;
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error := CefString(@TempError);
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end;
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procedure TCefRequestContextRef.ClearCertificateExceptions(const callback: ICefCompletionCallback);
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begin
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PCefRequestContext(FData)^.clear_certificate_exceptions(PCefRequestContext(FData), CefGetData(callback));
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end;
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procedure TCefRequestContextRef.ClearHttpAuthCredentials(const callback: ICefCompletionCallback);
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begin
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PCefRequestContext(FData)^.clear_http_auth_credentials(PCefRequestContext(FData), CefGetData(callback));
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end;
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procedure TCefRequestContextRef.CloseAllConnections(const callback: ICefCompletionCallback);
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begin
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PCefRequestContext(FData)^.close_all_connections(PCefRequestContext(FData), CefGetData(callback));
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end;
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procedure TCefRequestContextRef.ResolveHost(const origin : ustring;
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const callback : ICefResolveCallback);
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var
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TempOrigin : TCefString;
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begin
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TempOrigin := CefString(origin);
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PCefRequestContext(FData)^.resolve_host(PCefRequestContext(FData), @TempOrigin, CefGetData(callback));
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end;
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procedure TCefRequestContextRef.LoadExtension(const root_directory: ustring; const manifest: ICefDictionaryValue; const handler: ICefExtensionHandler);
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var
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TempDir : TCefString;
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begin
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TempDir := CefString(root_directory);
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PCefRequestContext(FData)^.load_extension(PCefRequestContext(FData), @TempDir, CefGetData(manifest), CefGetData(handler));
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end;
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function TCefRequestContextRef.DidLoadExtension(const extension_id: ustring): boolean;
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var
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TempID : TCefString;
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begin
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TempID := CefString(extension_id);
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Result := PCefRequestContext(FData)^.did_load_extension(PCefRequestContext(FData), @TempID) <> 0;
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end;
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function TCefRequestContextRef.HasExtension(const extension_id: ustring): boolean;
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var
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TempID : TCefString;
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begin
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TempID := CefString(extension_id);
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Result := PCefRequestContext(FData)^.has_extension(PCefRequestContext(FData), @TempID) <> 0;
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end;
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function TCefRequestContextRef.GetExtensions(const extension_ids: TStringList): boolean;
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var
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TempSL : ICefStringList;
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begin
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Result := False;
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TempSL := TCefStringListOwn.Create;
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if (PCefRequestContext(FData)^.get_extensions(PCefRequestContext(FData), TempSL.Handle) <> 0) then
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begin
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TempSL.CopyToStrings(extension_ids);
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Result := True;
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end;
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end;
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function TCefRequestContextRef.GetExtension(const extension_id: ustring): ICefExtension;
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var
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TempID : TCefString;
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begin
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TempID := CefString(extension_id);
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Result := TCefExtensionRef.UnWrap(PCefRequestContext(FData)^.get_extension(PCefRequestContext(FData), @TempID));
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end;
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function TCefRequestContextRef.RegisterSchemeHandlerFactory(const schemeName : ustring;
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const domainName : ustring;
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const factory : ICefSchemeHandlerFactory): Boolean;
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var
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TempScheme, TempDomain : TCefString;
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begin
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TempScheme := CefString(schemeName);
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TempDomain := CefString(domainName);
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Result := PCefRequestContext(FData)^.register_scheme_handler_factory(PCefRequestContext(FData),
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@TempScheme,
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@TempDomain,
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CefGetData(factory)) <> 0;
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end;
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class function TCefRequestContextRef.Shared(const other : ICefRequestContext;
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const handler : ICefRequestContextHandler): ICefRequestContext;
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begin
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Result := UnWrap(cef_create_context_shared(CefGetData(other), CefGetData(handler)));
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end;
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class function TCefRequestContextRef.UnWrap(data: Pointer): ICefRequestContext;
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begin
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if (data <> nil) then
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Result := Create(data) as ICefRequestContext
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else
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Result := nil;
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end;
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// TCefClearCertificateExceptionsCompletionCallback
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procedure TCefClearCertificateExceptionsCompletionCallback.OnComplete;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doCertificateExceptionsCleared;
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except
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on e : exception do
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if CustomExceptionHandler('TCefClearCertificateExceptionsCompletionCallback.OnComplete', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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// TCefClearHttpAuthCredentialsCompletionCallback
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procedure TCefClearHttpAuthCredentialsCompletionCallback.OnComplete;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doHttpAuthCredentialsCleared;
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except
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on e : exception do
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if CustomExceptionHandler('TCefClearHttpAuthCredentialsCompletionCallback.OnComplete', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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// TCefCloseAllConnectionsCompletionCallback
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procedure TCefCloseAllConnectionsCompletionCallback.OnComplete;
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begin
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doAllConnectionsClosed;
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except
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on e : exception do
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if CustomExceptionHandler('TCefCloseAllConnectionsCompletionCallback.OnComplete', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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end.
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