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CEF4Delphi/source/uCEFBinaryValue.pas

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// ************************************************************************
// ***************************** 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 Diaz Fau. All rights reserved.
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//
// ************************************************************************
// ************ 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 uCEFBinaryValue;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
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{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
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{$I cef.inc}
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interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
TCefBinaryValueRef = class(TCefBaseRefCountedRef, ICefBinaryValue)
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protected
function IsValid: Boolean;
function IsOwned: Boolean;
function IsSame(const that: ICefBinaryValue): Boolean;
function IsEqual(const that: ICefBinaryValue): Boolean;
function Copy: ICefBinaryValue;
function GetSize: NativeUInt;
function GetData(buffer: Pointer; bufferSize, dataOffset: NativeUInt): NativeUInt;
public
class function UnWrap(data: Pointer): ICefBinaryValue;
class function New(const data: Pointer; dataSize: NativeUInt): ICefBinaryValue;
end;
TCefBinaryValueOwn = class(TCefBaseRefCountedOwn, ICefBinaryValue)
protected
function IsValid: Boolean;
function IsOwned: Boolean;
function IsSame(const that: ICefBinaryValue): Boolean;
function IsEqual(const that: ICefBinaryValue): Boolean;
function Copy: ICefBinaryValue;
function GetSize: NativeUInt;
function GetData(buffer: Pointer; bufferSize, dataOffset: NativeUInt): NativeUInt;
public
constructor Create;
end;
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implementation
uses
uCEFMiscFunctions, uCEFLibFunctions;
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// **********************************************
// ********** TCefBinaryValueRef **************
// **********************************************
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function TCefBinaryValueRef.Copy: ICefBinaryValue;
begin
Result := UnWrap(PCefBinaryValue(FData)^.copy(PCefBinaryValue(FData)));
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end;
function TCefBinaryValueRef.GetData(buffer: Pointer; bufferSize, dataOffset: NativeUInt): NativeUInt;
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begin
Result := PCefBinaryValue(FData)^.get_data(PCefBinaryValue(FData), buffer, bufferSize, dataOffset);
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end;
function TCefBinaryValueRef.GetSize: NativeUInt;
begin
Result := PCefBinaryValue(FData)^.get_size(PCefBinaryValue(FData));
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end;
function TCefBinaryValueRef.IsEqual(const that: ICefBinaryValue): Boolean;
begin
Result := PCefBinaryValue(FData)^.is_equal(PCefBinaryValue(FData), CefGetData(that)) <> 0;
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end;
function TCefBinaryValueRef.IsOwned: Boolean;
begin
Result := PCefBinaryValue(FData)^.is_owned(PCefBinaryValue(FData)) <> 0;
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end;
function TCefBinaryValueRef.IsSame(const that: ICefBinaryValue): Boolean;
begin
Result := PCefBinaryValue(FData)^.is_same(PCefBinaryValue(FData), CefGetData(that)) <> 0;
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end;
function TCefBinaryValueRef.IsValid: Boolean;
begin
Result := PCefBinaryValue(FData)^.is_valid(PCefBinaryValue(FData)) <> 0;
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end;
class function TCefBinaryValueRef.New(const data: Pointer; dataSize: NativeUInt): ICefBinaryValue;
begin
Result := UnWrap(cef_binary_value_create(data, dataSize));
end;
class function TCefBinaryValueRef.UnWrap(data: Pointer): ICefBinaryValue;
begin
if (data <> nil) then
Result := Create(data) as ICefBinaryValue
else
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Result := nil;
end;
// **********************************************
// ********** TCefBinaryValueOwn **************
// **********************************************
function cef_binary_value_is_valid(self: PCefBinaryValue): Integer; stdcall;
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var
TempObject : TObject;
begin
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Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefBinaryValueOwn) then
Result := Ord(TCefBinaryValueOwn(TempObject).IsValid);
end;
function cef_binary_value_is_owned(self: PCefBinaryValue): Integer; stdcall;
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var
TempObject : TObject;
begin
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Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefBinaryValueOwn) then
Result := Ord(TCefBinaryValueOwn(TempObject).IsOwned);
end;
function cef_binary_value_is_same(self, that: PCefBinaryValue):Integer; stdcall;
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var
TempObject : TObject;
begin
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Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefBinaryValueOwn) then
Result := Ord(TCefBinaryValueOwn(TempObject).IsSame(TCefBinaryValueRef.UnWrap(that)));
end;
function cef_binary_value_is_equal(self, that: PCefBinaryValue): Integer; stdcall;
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var
TempObject : TObject;
begin
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Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefBinaryValueOwn) then
Result := Ord(TCefBinaryValueOwn(TempObject).IsEqual(TCefBinaryValueRef.UnWrap(that)));
end;
function cef_binary_value_copy(self: PCefBinaryValue): PCefBinaryValue; stdcall;
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var
TempObject : TObject;
begin
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Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefBinaryValueOwn) then
Result := CefGetData(TCefBinaryValueOwn(TempObject).Copy);
end;
function cef_binary_value_get_size(self: PCefBinaryValue): NativeUInt; stdcall;
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var
TempObject : TObject;
begin
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Result := 0;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefBinaryValueOwn) then
Result := TCefBinaryValueOwn(TempObject).GetSize;
end;
function cef_binary_value_get_data(self: PCefBinaryValue; buffer: Pointer; buffer_size, data_offset: NativeUInt): NativeUInt; stdcall;
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var
TempObject : TObject;
begin
Result := 0;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefBinaryValueOwn) then
Result := TCefBinaryValueOwn(TempObject).GetData(buffer, buffer_size, data_offset);
end;
constructor TCefBinaryValueOwn.Create;
begin
inherited CreateData(SizeOf(TCefBinaryValue));
with PCefBinaryValue(FData)^ do
begin
is_valid := {$IFDEF FPC}@{$ENDIF}cef_binary_value_is_valid;
is_owned := {$IFDEF FPC}@{$ENDIF}cef_binary_value_is_owned;
is_same := {$IFDEF FPC}@{$ENDIF}cef_binary_value_is_same;
is_equal := {$IFDEF FPC}@{$ENDIF}cef_binary_value_is_equal;
copy := {$IFDEF FPC}@{$ENDIF}cef_binary_value_copy;
get_size := {$IFDEF FPC}@{$ENDIF}cef_binary_value_get_size;
get_data := {$IFDEF FPC}@{$ENDIF}cef_binary_value_get_data;
end;
end;
function TCefBinaryValueOwn.IsValid: Boolean;
begin
Result := False;
end;
function TCefBinaryValueOwn.IsOwned: Boolean;
begin
Result := False;
end;
function TCefBinaryValueOwn.IsSame(const that: ICefBinaryValue): Boolean;
begin
Result := False;
end;
function TCefBinaryValueOwn.IsEqual(const that: ICefBinaryValue): Boolean;
begin
Result := False;
end;
function TCefBinaryValueOwn.Copy: ICefBinaryValue;
begin
Result := nil;
end;
function TCefBinaryValueOwn.GetSize: NativeUInt;
begin
Result := 0;
end;
function TCefBinaryValueOwn.GetData(buffer: Pointer; bufferSize, dataOffset: NativeUInt): NativeUInt;
begin
Result := 0;
end;
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end.