mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-15 15:55:56 +01:00
487 lines
21 KiB
ObjectPascal
487 lines
21 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 © 2022 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 uCEFBrowserViewDelegate;
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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, uCEFViewDelegate;
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type
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TCefBrowserViewDelegateRef = class(TCefViewDelegateRef, ICefBrowserViewDelegate)
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protected
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procedure OnBrowserCreated(const browser_view: ICefBrowserView; const browser: ICefBrowser);
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procedure OnBrowserDestroyed(const browser_view: ICefBrowserView; const browser: ICefBrowser);
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procedure OnGetDelegateForPopupBrowserView(const browser_view: ICefBrowserView; const settings: TCefBrowserSettings; const client: ICefClient; is_devtools: boolean; var aResult : ICefBrowserViewDelegate);
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procedure OnPopupBrowserViewCreated(const browser_view, popup_browser_view: ICefBrowserView; is_devtools: boolean; var aResult : boolean);
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function GetChromeToolbarType: TCefChromeToolbarType;
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public
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class function UnWrap(data: Pointer): ICefBrowserViewDelegate;
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end;
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TCefBrowserViewDelegateOwn = class(TCefViewDelegateOwn, ICefBrowserViewDelegate)
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protected
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procedure OnBrowserCreated(const browser_view: ICefBrowserView; const browser: ICefBrowser); virtual;
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procedure OnBrowserDestroyed(const browser_view: ICefBrowserView; const browser: ICefBrowser); virtual;
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procedure OnGetDelegateForPopupBrowserView(const browser_view: ICefBrowserView; const settings: TCefBrowserSettings; const client: ICefClient; is_devtools: boolean; var aResult : ICefBrowserViewDelegate); virtual;
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procedure OnPopupBrowserViewCreated(const browser_view, popup_browser_view: ICefBrowserView; is_devtools: boolean; var aResult : boolean); virtual;
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function GetChromeToolbarType: TCefChromeToolbarType; virtual;
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procedure InitializeCEFMethods; override;
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public
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constructor Create; override;
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end;
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TCustomBrowserViewDelegate = class(TCefBrowserViewDelegateOwn)
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protected
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FEvents : Pointer;
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// ICefViewDelegate
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procedure OnGetPreferredSize(const view: ICefView; var aResult : TCefSize); override;
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procedure OnGetMinimumSize(const view: ICefView; var aResult : TCefSize); override;
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procedure OnGetMaximumSize(const view: ICefView; var aResult : TCefSize); override;
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procedure OnGetHeightForWidth(const view: ICefView; width: Integer; var aResult: Integer); override;
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procedure OnParentViewChanged(const view: ICefView; added: boolean; const parent: ICefView); override;
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procedure OnChildViewChanged(const view: ICefView; added: boolean; const child: ICefView); override;
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procedure OnWindowChanged(const view: ICefView; added: boolean); override;
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procedure OnLayoutChanged(const view: ICefView; new_bounds: TCefRect); override;
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procedure OnFocus(const view: ICefView); override;
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procedure OnBlur(const view: ICefView); override;
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// ICefBrowserViewDelegate
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procedure OnBrowserCreated(const browser_view: ICefBrowserView; const browser: ICefBrowser); override;
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procedure OnBrowserDestroyed(const browser_view: ICefBrowserView; const browser: ICefBrowser); override;
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procedure OnGetDelegateForPopupBrowserView(const browser_view: ICefBrowserView; const settings: TCefBrowserSettings; const client: ICefClient; is_devtools: boolean; var aResult : ICefBrowserViewDelegate); override;
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procedure OnPopupBrowserViewCreated(const browser_view, popup_browser_view: ICefBrowserView; is_devtools: boolean; var aResult : boolean); override;
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function GetChromeToolbarType: TCefChromeToolbarType; override;
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public
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constructor Create(const events: ICefBrowserViewDelegateEvents); reintroduce;
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end;
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implementation
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uses
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uCEFLibFunctions, uCEFMiscFunctions, uCEFBrowserView, uCEFBrowser, uCEFClient, uCEFConstants;
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// **************************************************************
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// **************** TCefBrowserViewDelegateRef ******************
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// **************************************************************
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procedure TCefBrowserViewDelegateRef.OnBrowserCreated(const browser_view : ICefBrowserView;
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const browser : ICefBrowser);
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begin
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PCefBrowserViewDelegate(FData)^.on_browser_created(PCefBrowserViewDelegate(FData),
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CefGetData(browser_view),
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CefGetData(browser));
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end;
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procedure TCefBrowserViewDelegateRef.OnBrowserDestroyed(const browser_view : ICefBrowserView;
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const browser : ICefBrowser);
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begin
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PCefBrowserViewDelegate(FData)^.on_browser_destroyed(PCefBrowserViewDelegate(FData),
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CefGetData(browser_view),
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CefGetData(browser));
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end;
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procedure TCefBrowserViewDelegateRef.OnGetDelegateForPopupBrowserView(const browser_view : ICefBrowserView;
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const settings : TCefBrowserSettings;
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const client : ICefClient;
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is_devtools : boolean;
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var aResult : ICefBrowserViewDelegate);
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begin
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aResult := UnWrap((PCefBrowserViewDelegate(FData)^.get_delegate_for_popup_browser_view(PCefBrowserViewDelegate(FData),
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CefGetData(browser_view),
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@settings,
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CefGetData(client),
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ord(is_devtools))));
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end;
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procedure TCefBrowserViewDelegateRef.OnPopupBrowserViewCreated(const browser_view : ICefBrowserView;
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const popup_browser_view : ICefBrowserView;
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is_devtools : boolean;
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var aResult : boolean);
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begin
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aResult := (PCefBrowserViewDelegate(FData)^.on_popup_browser_view_created(PCefBrowserViewDelegate(FData),
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CefGetData(browser_view),
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CefGetData(popup_browser_view),
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ord(is_devtools)) <> 0);
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end;
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function TCefBrowserViewDelegateRef.GetChromeToolbarType: TCefChromeToolbarType;
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begin
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Result := PCefBrowserViewDelegate(FData)^.get_chrome_toolbar_type(PCefBrowserViewDelegate(FData));
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end;
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class function TCefBrowserViewDelegateRef.UnWrap(data: Pointer): ICefBrowserViewDelegate;
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begin
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if (data <> nil) then
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Result := Create(data) as ICefBrowserViewDelegate
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else
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Result := nil;
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end;
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// **************************************************************
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// **************** TCefBrowserViewDelegateOwn ******************
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// **************************************************************
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procedure cef_browserview_delegate_on_browser_created(self : PCefBrowserViewDelegate;
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browser_view : PCefBrowserView;
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browser : PCefBrowser); stdcall;
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var
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TempObject : TObject;
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begin
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefBrowserViewDelegateOwn) then
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TCefBrowserViewDelegateOwn(TempObject).OnBrowserCreated(TCefBrowserViewRef.UnWrap(browser_view),
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TCefBrowserRef.UnWrap(browser));
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end;
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procedure cef_browserview_delegate_on_browser_destroyed(self : PCefBrowserViewDelegate;
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browser_view : PCefBrowserView;
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browser : PCefBrowser); stdcall;
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var
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TempObject : TObject;
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begin
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefBrowserViewDelegateOwn) then
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TCefBrowserViewDelegateOwn(TempObject).OnBrowserDestroyed(TCefBrowserViewRef.UnWrap(browser_view),
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TCefBrowserRef.UnWrap(browser));
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end;
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function cef_browserview_delegate_get_delegate_for_popup_browser_view( self : PCefBrowserViewDelegate;
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browser_view : PCefBrowserView;
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const settings : PCefBrowserSettings;
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client : PCefClient;
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is_devtools : Integer): PCefBrowserViewDelegate; stdcall;
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var
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TempObject : TObject;
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TempDelegate : ICefBrowserViewDelegate;
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begin
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TempObject := CefGetObject(self);
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TempDelegate := nil;
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if (TempObject <> nil) and (TempObject is TCefBrowserViewDelegateOwn) then
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TCefBrowserViewDelegateOwn(TempObject).OnGetDelegateForPopupBrowserView(TCefBrowserViewRef.UnWrap(browser_view),
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settings^,
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TCefClientRef.UnWrap(client),
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is_devtools <> 0,
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TempDelegate);
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Result := CefGetData(TempDelegate);
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end;
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function cef_browserview_delegate_on_popup_browser_view_created(self : PCefBrowserViewDelegate;
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browser_view : PCefBrowserView;
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popup_browser_view : PCefBrowserView;
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is_devtools : Integer): Integer; stdcall;
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var
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TempObject : TObject;
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TempResult : boolean;
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begin
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TempObject := CefGetObject(self);
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TempResult := False;
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if (TempObject <> nil) and (TempObject is TCefBrowserViewDelegateOwn) then
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TCefBrowserViewDelegateOwn(TempObject).OnPopupBrowserViewCreated(TCefBrowserViewRef.UnWrap(browser_view),
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TCefBrowserViewRef.UnWrap(popup_browser_view),
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is_devtools <> 0,
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TempResult);
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Result := ord(TempResult);
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end;
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function cef_browserview_delegate_get_chrome_toolbar_type(self : PCefBrowserViewDelegate): TCefChromeToolbarType; stdcall;
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var
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TempObject : TObject;
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begin
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TempObject := CefGetObject(self);
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Result := CEF_CTT_NONE;
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if (TempObject <> nil) and (TempObject is TCefBrowserViewDelegateOwn) then
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Result := TCefBrowserViewDelegateOwn(TempObject).GetChromeToolbarType();
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end;
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constructor TCefBrowserViewDelegateOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefBrowserViewDelegate));
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InitializeCEFMethods;
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end;
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procedure TCefBrowserViewDelegateOwn.InitializeCEFMethods;
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begin
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inherited InitializeCEFMethods;
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with PCefBrowserViewDelegate(FData)^ do
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begin
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on_browser_created := {$IFDEF FPC}@{$ENDIF}cef_browserview_delegate_on_browser_created;
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on_browser_destroyed := {$IFDEF FPC}@{$ENDIF}cef_browserview_delegate_on_browser_destroyed;
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get_delegate_for_popup_browser_view := {$IFDEF FPC}@{$ENDIF}cef_browserview_delegate_get_delegate_for_popup_browser_view;
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on_popup_browser_view_created := {$IFDEF FPC}@{$ENDIF}cef_browserview_delegate_on_popup_browser_view_created;
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get_chrome_toolbar_type := {$IFDEF FPC}@{$ENDIF}cef_browserview_delegate_get_chrome_toolbar_type;
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end;
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end;
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procedure TCefBrowserViewDelegateOwn.OnBrowserCreated(const browser_view: ICefBrowserView; const browser: ICefBrowser);
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begin
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//
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end;
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procedure TCefBrowserViewDelegateOwn.OnBrowserDestroyed(const browser_view: ICefBrowserView; const browser: ICefBrowser);
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begin
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//
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end;
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procedure TCefBrowserViewDelegateOwn.OnGetDelegateForPopupBrowserView(const browser_view: ICefBrowserView; const settings: TCefBrowserSettings; const client: ICefClient; is_devtools: boolean; var aResult : ICefBrowserViewDelegate);
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begin
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//
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end;
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procedure TCefBrowserViewDelegateOwn.OnPopupBrowserViewCreated(const browser_view, popup_browser_view: ICefBrowserView; is_devtools: boolean; var aResult : boolean);
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begin
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//
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end;
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function TCefBrowserViewDelegateOwn.GetChromeToolbarType: TCefChromeToolbarType;
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begin
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Result := CEF_CTT_NONE;
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end;
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// **************************************************************
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// **************** TCustomBrowserViewDelegate ******************
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// **************************************************************
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constructor TCustomBrowserViewDelegate.Create(const events: ICefBrowserViewDelegateEvents);
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begin
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inherited Create;
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FEvents := Pointer(events);
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end;
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procedure TCustomBrowserViewDelegate.OnGetPreferredSize(const view: ICefView; var aResult : TCefSize);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnGetPreferredSize(view, aResult);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnGetPreferredSize', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnGetMinimumSize(const view: ICefView; var aResult : TCefSize);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnGetMinimumSize(view, aResult);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnGetMinimumSize', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnGetMaximumSize(const view: ICefView; var aResult : TCefSize);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnGetMaximumSize(view, aResult);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnGetMaximumSize', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnGetHeightForWidth(const view: ICefView; width: Integer; var aResult: Integer);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnGetHeightForWidth(view, width, aResult);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnGetHeightForWidth', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnParentViewChanged(const view: ICefView; added: boolean; const parent: ICefView);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnParentViewChanged(view, added, parent);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnParentViewChanged', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnChildViewChanged(const view: ICefView; added: boolean; const child: ICefView);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnChildViewChanged(view, added, child);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnChildViewChanged', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnWindowChanged(const view: ICefView; added: boolean);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnWindowChanged(view, added);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnWindowChanged', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnLayoutChanged(const view: ICefView; new_bounds: TCefRect);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnLayoutChanged(view, new_bounds);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnLayoutChanged', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnFocus(const view: ICefView);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnFocus(view);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnFocus', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnBlur(const view: ICefView);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnBlur(view);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnBlur', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnBrowserCreated(const browser_view: ICefBrowserView; const browser: ICefBrowser);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnBrowserCreated(browser_view, browser);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnBrowserCreated', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnBrowserDestroyed(const browser_view: ICefBrowserView; const browser: ICefBrowser);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnBrowserDestroyed(browser_view, browser);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnBrowserDestroyed', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnGetDelegateForPopupBrowserView(const browser_view: ICefBrowserView; const settings: TCefBrowserSettings; const client: ICefClient; is_devtools: boolean; var aResult : ICefBrowserViewDelegate);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnGetDelegateForPopupBrowserView(browser_view, settings, client, is_devtools, aResult);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnGetDelegateForPopupBrowserView', e) then raise;
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end;
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end;
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procedure TCustomBrowserViewDelegate.OnPopupBrowserViewCreated(const browser_view, popup_browser_view: ICefBrowserView; is_devtools: boolean; var aResult : boolean);
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begin
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnPopupBrowserViewCreated(browser_view, popup_browser_view, is_devtools, aResult);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomBrowserViewDelegate.OnPopupBrowserViewCreated', e) then raise;
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end;
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end;
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function TCustomBrowserViewDelegate.GetChromeToolbarType: TCefChromeToolbarType;
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begin
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Result := inherited GetChromeToolbarType();
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try
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if (FEvents <> nil) then
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ICefBrowserViewDelegateEvents(FEvents).doOnGetChromeToolbarType(Result);
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TCustomBrowserViewDelegate.GetChromeToolbarType', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
end.
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|
|