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Salvador Diaz Fau
2017-01-27 17:29:37 +01:00
parent 18dd05505c
commit 21dcc60a24
295 changed files with 8761 additions and 43769 deletions
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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 � 2017 Salvador D�az 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 uCEFLoadHandler;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
interface
uses
uCEFBase, uCEFInterfaces, uCEFTypes;
type
TCefLoadHandlerOwn = class(TCefBaseOwn, ICefLoadHandler)
protected
procedure OnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean); virtual;
procedure OnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType); virtual;
procedure OnLoadEnd(const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer); virtual;
procedure OnLoadError(const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer; const errorText, failedUrl: ustring); virtual;
public
constructor Create; virtual;
end;
TCustomLoadHandler = class(TCefLoadHandlerOwn)
protected
FEvent: IChromiumEvents;
procedure OnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean); override;
procedure OnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType); override;
procedure OnLoadEnd(const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer); override;
procedure OnLoadError(const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer; const errorText, failedUrl: ustring); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFFrame;
procedure cef_load_handler_on_loading_state_change(self: PCefLoadHandler; browser: PCefBrowser; isLoading, canGoBack, canGoForward: Integer); stdcall;
begin
with TCefLoadHandlerOwn(CefGetObject(self)) do
OnLoadingStateChange(TCefBrowserRef.UnWrap(browser), isLoading <> 0, canGoBack <> 0, canGoForward <> 0);
end;
procedure cef_load_handler_on_load_start(self: PCefLoadHandler; browser: PCefBrowser; frame: PCefFrame; transition_type: TCefTransitionType); stdcall;
begin
with TCefLoadHandlerOwn(CefGetObject(self)) do
OnLoadStart(TCefBrowserRef.UnWrap(browser), TCefFrameRef.UnWrap(frame), transition_type);
end;
procedure cef_load_handler_on_load_end(self: PCefLoadHandler; browser: PCefBrowser; frame: PCefFrame; httpStatusCode: Integer); stdcall;
begin
with TCefLoadHandlerOwn(CefGetObject(self)) do
OnLoadEnd(TCefBrowserRef.UnWrap(browser), TCefFrameRef.UnWrap(frame), httpStatusCode);
end;
procedure cef_load_handler_on_load_error(self: PCefLoadHandler; browser: PCefBrowser; frame: PCefFrame; errorCode: Integer; const errorText, failedUrl: PCefString); stdcall;
begin
with TCefLoadHandlerOwn(CefGetObject(self)) do
OnLoadError(TCefBrowserRef.UnWrap(browser), TCefFrameRef.UnWrap(frame), errorCode, CefString(errorText), CefString(failedUrl));
end;
constructor TCefLoadHandlerOwn.Create;
begin
inherited CreateData(SizeOf(TCefLoadHandler));
with PCefLoadHandler(FData)^ do
begin
on_loading_state_change := cef_load_handler_on_loading_state_change;
on_load_start := cef_load_handler_on_load_start;
on_load_end := cef_load_handler_on_load_end;
on_load_error := cef_load_handler_on_load_error;
end;
end;
procedure TCefLoadHandlerOwn.OnLoadEnd(const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer);
begin
//
end;
procedure TCefLoadHandlerOwn.OnLoadError(const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer; const errorText, failedUrl: ustring);
begin
//
end;
procedure TCefLoadHandlerOwn.OnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);
begin
//
end;
procedure TCefLoadHandlerOwn.OnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType);
begin
//
end;
// TCustomLoadHandler
constructor TCustomLoadHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
procedure TCustomLoadHandler.OnLoadEnd(const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer);
begin
FEvent.doOnLoadEnd(browser, frame, httpStatusCode);
end;
procedure TCustomLoadHandler.OnLoadError(const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer; const errorText, failedUrl: ustring);
begin
FEvent.doOnLoadError(browser, frame, errorCode, errorText, failedUrl);
end;
procedure TCustomLoadHandler.OnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);
begin
FEvent.doOnLoadingStateChange(browser, isLoading, canGoBack, canGoForward);
end;
procedure TCustomLoadHandler.OnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType);
begin
FEvent.doOnLoadStart(browser, frame, transitionType);
end;
end.