mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-12-04 09:26:52 +02:00
6c5d5d6036
- New MDIExternalPumpBrowser demo. - New JSWindowBindingSubProcess demo. - Added more comments and checks in some initialization functions of TCEFApplication.
118 lines
3.6 KiB
ObjectPascal
118 lines
3.6 KiB
ObjectPascal
// ************************************************************************
|
|
// ***************************** 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 © 2018 Salvador Díaz 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 uCEFStreamWriter;
|
|
|
|
{$IFNDEF CPUX64}
|
|
{$ALIGN ON}
|
|
{$MINENUMSIZE 4}
|
|
{$ENDIF}
|
|
|
|
{$I cef.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
|
|
|
|
type
|
|
TCefStreamWriterRef = class(TCefBaseRefCountedRef, ICefStreamWriter)
|
|
protected
|
|
function write(const ptr: Pointer; size, n: NativeUInt): NativeUInt;
|
|
function Seek(offset: Int64; whence: Integer): Integer;
|
|
function Tell: Int64;
|
|
function Flush: Integer;
|
|
function MayBlock: Boolean;
|
|
|
|
public
|
|
class function UnWrap(data: Pointer): ICefStreamWriter;
|
|
class function CreateForFile(const fileName: ustring): ICefStreamWriter;
|
|
class function CreateForHandler(const handler: ICefWriteHandler): ICefStreamWriter;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
uCEFMiscFunctions, uCEFLibFunctions;
|
|
|
|
class function TCefStreamWriterRef.CreateForFile(const fileName: ustring): ICefStreamWriter;
|
|
var
|
|
s: TCefString;
|
|
begin
|
|
s := CefString(fileName);
|
|
Result := UnWrap(cef_stream_writer_create_for_file(@s));
|
|
end;
|
|
|
|
class function TCefStreamWriterRef.CreateForHandler(const handler: ICefWriteHandler): ICefStreamWriter;
|
|
begin
|
|
Result := UnWrap(cef_stream_writer_create_for_handler(CefGetData(handler)));
|
|
end;
|
|
|
|
function TCefStreamWriterRef.Flush: Integer;
|
|
begin
|
|
Result := PCefStreamWriter(FData).flush(FData);
|
|
end;
|
|
|
|
function TCefStreamWriterRef.MayBlock: Boolean;
|
|
begin
|
|
Result := PCefStreamWriter(FData).may_block(FData) <> 0;
|
|
end;
|
|
|
|
function TCefStreamWriterRef.Seek(offset: Int64; whence: Integer): Integer;
|
|
begin
|
|
Result := PCefStreamWriter(FData).seek(FData, offset, whence);
|
|
end;
|
|
|
|
function TCefStreamWriterRef.Tell: Int64;
|
|
begin
|
|
Result := PCefStreamWriter(FData).tell(FData);
|
|
end;
|
|
|
|
class function TCefStreamWriterRef.UnWrap(data: Pointer): ICefStreamWriter;
|
|
begin
|
|
if data <> nil then
|
|
Result := Create(data) as ICefStreamWriter else
|
|
Result := nil;
|
|
end;
|
|
|
|
function TCefStreamWriterRef.write(const ptr: Pointer; size, n: NativeUInt): NativeUInt;
|
|
begin
|
|
Result := PCefStreamWriter(FData).write(FData, ptr, size, n);
|
|
end;
|
|
|
|
end.
|