1
0
mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-12-04 09:26:52 +02:00
CEF4Delphi/source/uCEFDragData.pas
Salvador Díaz Fau fd1e936198 Update to CEF 79.0.10
- Removed CEFSentinel from some demos because it's no longer necessary.
- Updated copyright year.
2020-01-01 12:48:10 +01:00

272 lines
7.4 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 © 2020 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 uCEFDragData;
{$IFDEF FPC}
{$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;
type
TCefDragDataRef = class(TCefBaseRefCountedRef, ICefDragData)
protected
function Clone: ICefDragData;
function IsReadOnly: Boolean;
function IsLink: Boolean;
function IsFragment: Boolean;
function IsFile: Boolean;
function GetLinkUrl: ustring;
function GetLinkTitle: ustring;
function GetLinkMetadata: ustring;
function GetFragmentText: ustring;
function GetFragmentHtml: ustring;
function GetFragmentBaseUrl: ustring;
function GetFileName: ustring;
function GetFileContents(const writer: ICefStreamWriter): NativeUInt;
function GetFileNames(var names: TStrings): Integer;
procedure SetLinkUrl(const url: ustring);
procedure SetLinkTitle(const title: ustring);
procedure SetLinkMetadata(const data: ustring);
procedure SetFragmentText(const text: ustring);
procedure SetFragmentHtml(const html: ustring);
procedure SetFragmentBaseUrl(const baseUrl: ustring);
procedure ResetFileContents;
procedure AddFile(const path, displayName: ustring);
function GetImage : ICefImage;
function GetImageHotspot : TCefPoint;
function HasImage : boolean;
public
class function UnWrap(data: Pointer): ICefDragData;
class function New: ICefDragData;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions, uCEFImage, uCEFStringList;
procedure TCefDragDataRef.AddFile(const path, displayName: ustring);
var
TempPath, TempName : TCefString;
begin
TempPath := CefString(path);
TempName := CefString(displayName);
PCefDragData(FData)^.add_file(FData, @TempPath, @TempName);
end;
function TCefDragDataRef.GetImage : ICefImage;
begin
Result := TCefImageRef.UnWrap(PCefDragData(FData)^.get_image(FData));
end;
function TCefDragDataRef.GetImageHotspot : TCefPoint;
begin
Result := PCefDragData(FData)^.get_image_hotspot(FData)^;
end;
function TCefDragDataRef.HasImage : boolean;
begin
Result := (PCefDragData(FData)^.has_image(FData) <> 0);
end;
function TCefDragDataRef.Clone: ICefDragData;
begin
Result := UnWrap(PCefDragData(FData)^.clone(FData));
end;
function TCefDragDataRef.GetFileContents(const writer: ICefStreamWriter): NativeUInt;
begin
Result := PCefDragData(FData)^.get_file_contents(FData, CefGetData(writer))
end;
function TCefDragDataRef.GetFileName: ustring;
begin
Result := CefStringFreeAndGet(PCefDragData(FData)^.get_file_name(FData));
end;
function TCefDragDataRef.GetFileNames(var names: TStrings): Integer;
var
TempSL : ICefStringList;
begin
Result := 0;
if (names <> nil) then
begin
TempSL := TCefStringListOwn.Create;
if (PCefDragData(FData)^.get_file_names(FData, TempSL.Handle) <> 0) then
begin
TempSL.CopyToStrings(names);
Result := names.Count;
end;
end;
end;
function TCefDragDataRef.GetFragmentBaseUrl: ustring;
begin
Result := CefStringFreeAndGet(PCefDragData(FData)^.get_fragment_base_url(FData));
end;
function TCefDragDataRef.GetFragmentHtml: ustring;
begin
Result := CefStringFreeAndGet(PCefDragData(FData)^.get_fragment_html(FData));
end;
function TCefDragDataRef.GetFragmentText: ustring;
begin
Result := CefStringFreeAndGet(PCefDragData(FData)^.get_fragment_text(FData));
end;
function TCefDragDataRef.GetLinkMetadata: ustring;
begin
Result := CefStringFreeAndGet(PCefDragData(FData)^.get_link_metadata(FData));
end;
function TCefDragDataRef.GetLinkTitle: ustring;
begin
Result := CefStringFreeAndGet(PCefDragData(FData)^.get_link_title(FData));
end;
function TCefDragDataRef.GetLinkUrl: ustring;
begin
Result := CefStringFreeAndGet(PCefDragData(FData)^.get_link_url(FData));
end;
function TCefDragDataRef.IsFile: Boolean;
begin
Result := PCefDragData(FData)^.is_file(FData) <> 0;
end;
function TCefDragDataRef.IsFragment: Boolean;
begin
Result := PCefDragData(FData)^.is_fragment(FData) <> 0;
end;
function TCefDragDataRef.IsLink: Boolean;
begin
Result := PCefDragData(FData)^.is_link(FData) <> 0;
end;
function TCefDragDataRef.IsReadOnly: Boolean;
begin
Result := PCefDragData(FData)^.is_read_only(FData) <> 0;
end;
class function TCefDragDataRef.New: ICefDragData;
begin
Result := UnWrap(cef_drag_data_create());
end;
procedure TCefDragDataRef.ResetFileContents;
begin
PCefDragData(FData)^.reset_file_contents(FData);
end;
procedure TCefDragDataRef.SetFragmentBaseUrl(const baseUrl: ustring);
var
TempURL : TCefString;
begin
TempURL := CefString(baseUrl);
PCefDragData(FData)^.set_fragment_base_url(FData, @TempURL);
end;
procedure TCefDragDataRef.SetFragmentHtml(const html: ustring);
var
TempHTML : TCefString;
begin
TempHTML := CefString(html);
PCefDragData(FData)^.set_fragment_html(FData, @TempHTML);
end;
procedure TCefDragDataRef.SetFragmentText(const text: ustring);
var
TempText : TCefString;
begin
TempText := CefString(text);
PCefDragData(FData)^.set_fragment_text(FData, @TempText);
end;
procedure TCefDragDataRef.SetLinkMetadata(const data: ustring);
var
TempData : TCefString;
begin
TempData := CefString(data);
PCefDragData(FData)^.set_link_metadata(FData, @TempData);
end;
procedure TCefDragDataRef.SetLinkTitle(const title: ustring);
var
TempTitle : TCefString;
begin
TempTitle := CefString(title);
PCefDragData(FData)^.set_link_title(FData, @TempTitle);
end;
procedure TCefDragDataRef.SetLinkUrl(const url: ustring);
var
TempURL : TCefString;
begin
TempURL := CefString(url);
PCefDragData(FData)^.set_link_url(FData, @TempURL);
end;
class function TCefDragDataRef.UnWrap(data: Pointer): ICefDragData;
begin
if (data <> nil) then
Result := Create(data) as ICefDragData
else
Result := nil;
end;
end.