mirror of
https://github.com/salvadordf/CEF4Delphi.git
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137 lines
4.6 KiB
ObjectPascal
137 lines
4.6 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 CEF3 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 © 2017 Salvador Díaz 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 uCEFDialogHandler;
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{$IFNDEF CPUX64}
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{$ALIGN ON}
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{$MINENUMSIZE 4}
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{$ENDIF}
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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,
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{$ELSE}
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Classes,
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{$ENDIF}
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefDialogHandlerOwn = class(TCefBaseRefCountedOwn, ICefDialogHandler)
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protected
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function OnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode; const title, defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefFileDialogCallback): Boolean; virtual;
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public
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constructor Create; virtual;
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end;
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TCustomDialogHandler = class(TCefDialogHandlerOwn)
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protected
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FEvent: IChromiumEvents;
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function OnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode; const title: ustring; const defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefFileDialogCallback): Boolean; override;
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public
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constructor Create(const events: IChromiumEvents); reintroduce; virtual;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFFileDialogCallback;
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function cef_dialog_handler_on_file_dialog(self: PCefDialogHandler; browser: PCefBrowser;
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mode: TCefFileDialogMode; const title, default_file_path: PCefString;
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accept_filters: TCefStringList; selected_accept_filter: Integer;
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callback: PCefFileDialogCallback): Integer; stdcall;
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var
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list: TStringList;
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i: Integer;
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str: TCefString;
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begin
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list := TStringList.Create;
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try
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for i := 0 to cef_string_list_size(accept_filters) - 1 do
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begin
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FillChar(str, SizeOf(str), 0);
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cef_string_list_value(accept_filters, i, @str);
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list.Add(CefStringClearAndGet(str));
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end;
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with TCefDialogHandlerOwn(CefGetObject(self)) do
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Result := Ord(OnFileDialog(TCefBrowserRef.UnWrap(browser), mode, CefString(title),
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CefString(default_file_path), list, selected_accept_filter,
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TCefFileDialogCallbackRef.UnWrap(callback)));
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finally
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list.Free;
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end;
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end;
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constructor TCefDialogHandlerOwn.Create;
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begin
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CreateData(SizeOf(TCefDialogHandler));
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with PCefDialogHandler(FData)^ do
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on_file_dialog := cef_dialog_handler_on_file_dialog;
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end;
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function TCefDialogHandlerOwn.OnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode; const title, defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefFileDialogCallback): Boolean;
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begin
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Result := False;
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end;
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// TCustomDialogHandler
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constructor TCustomDialogHandler.Create(const events: IChromiumEvents);
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begin
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inherited Create;
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FEvent := events;
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end;
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function TCustomDialogHandler.OnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode; const title, defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefFileDialogCallback): Boolean;
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begin
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Result := FEvent.doOnFileDialog(browser, mode, title, defaultFilePath, acceptFilters, selectedAcceptFilter, callback);
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end;
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end.
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