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CEF4Delphi/source/uCEFBrowserView.pas
2021-01-01 11:11:30 +01:00

140 lines
4.8 KiB
ObjectPascal

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF 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 © 2021 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 uCEFBrowserView;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
{$IFDEF DELPHI16_UP}
System.Classes, System.SysUtils,
{$ELSE}
Classes, SysUtils,
{$ENDIF}
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes, uCEFView;
type
TCefBrowserViewRef = class(TCefViewRef, ICefBrowserView)
protected
function GetBrowser : ICefBrowser;
procedure SetPreferAccelerators(prefer_accelerators: boolean);
public
class function UnWrap(data: Pointer): ICefBrowserView;
class function CreateBrowserView(const client: ICefClient; const url: ustring; const settings: TCefBrowserSettings; const extra_info: ICefDictionaryValue; const request_context: ICefRequestContext; const delegate: ICefBrowserViewDelegate): ICefBrowserView;
class function GetForBrowser(const browser: ICefBrowser): ICefBrowserView;
end;
implementation
uses
uCEFLibFunctions, uCEFMiscFunctions, uCEFBrowser;
function TCefBrowserViewRef.GetBrowser : ICefBrowser;
begin
Result := TCefBrowserRef.UnWrap(PCefBrowserView(FData)^.get_browser(PCefBrowserView(FData)));
end;
procedure TCefBrowserViewRef.SetPreferAccelerators(prefer_accelerators: boolean);
begin
PCefBrowserView(FData)^.set_prefer_accelerators(PCefBrowserView(FData),
ord(prefer_accelerators));
end;
class function TCefBrowserViewRef.UnWrap(data: Pointer): ICefBrowserView;
begin
if (data <> nil) then
Result := Create(data) as ICefBrowserView
else
Result := nil;
end;
class function TCefBrowserViewRef.CreateBrowserView(const client : ICefClient;
const url : ustring;
const settings : TCefBrowserSettings;
const extra_info : ICefDictionaryValue;
const request_context : ICefRequestContext;
const delegate : ICefBrowserViewDelegate): ICefBrowserView;
var
TempURL : TCefString;
TempBrowserView : PCefBrowserView;
begin
Result := nil;
if (client <> nil) and (delegate <> nil) then
begin
TempURL := CefString(url);
TempBrowserView := cef_browser_view_create(CefGetData(client),
@TempURL,
@settings,
CefGetData(extra_info),
CefGetData(request_context),
CefGetData(delegate));
if (TempBrowserView <> nil) then
Result := Create(TempBrowserView) as ICefBrowserView;
end;
end;
class function TCefBrowserViewRef.GetForBrowser(const browser: ICefBrowser): ICefBrowserView;
var
TempBrowserView : PCefBrowserView;
begin
Result := nil;
if (browser <> nil) then
begin
TempBrowserView := cef_browser_view_get_for_browser(CefGetData(browser));
if (TempBrowserView <> nil) then
Result := Create(TempBrowserView) as ICefBrowserView;
end;
end;
end.