mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-24 08:02:15 +02:00
ca8bc9dff4
Added the PDS file to extract the HTML Help files using PasDoc Added more XML documentation Fixed some XML errors. Removed the license copy from the pas units. Updated the LICENSE.md file
114 lines
3.3 KiB
ObjectPascal
114 lines
3.3 KiB
ObjectPascal
unit uCEFAccessibilityHandler;
|
|
|
|
{$IFDEF FPC}
|
|
{$MODE OBJFPC}{$H+}
|
|
{$ENDIF}
|
|
|
|
{$I cef.inc}
|
|
|
|
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
|
|
{$MINENUMSIZE 4}
|
|
|
|
interface
|
|
|
|
uses
|
|
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes, uCEFChromiumEvents;
|
|
|
|
type
|
|
TOnAccessibilityEvent = procedure(Sender: TObject; const value: ICefValue) of object;
|
|
|
|
TCEFAccessibilityHandlerOwn = class(TCefBaseRefCountedOwn, ICefAccessibilityHandler)
|
|
protected
|
|
procedure OnAccessibilityTreeChange(const value: ICefValue); virtual;
|
|
procedure OnAccessibilityLocationChange(const value: ICefValue); virtual;
|
|
|
|
public
|
|
constructor Create; virtual;
|
|
end;
|
|
|
|
TCustomAccessibilityHandler = class(TCEFAccessibilityHandlerOwn)
|
|
protected
|
|
FOnTreeChange : TOnAccessibilityEvent;
|
|
FOnLocationChange : TOnAccessibilityEvent;
|
|
|
|
procedure OnAccessibilityTreeChange(const value: ICefValue); override;
|
|
procedure OnAccessibilityLocationChange(const value: ICefValue); override;
|
|
|
|
public
|
|
constructor Create; override;
|
|
|
|
property OnTreeChange : TOnAccessibilityEvent read FOnTreeChange write FOnTreeChange;
|
|
property OnLocationChange : TOnAccessibilityEvent read FOnLocationChange write FOnLocationChange;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
uCEFMiscFunctions, uCEFValue;
|
|
|
|
procedure cef_accessibility_handler_on_accessibility_tree_change(self: PCefAccessibilityHandler; value: PCefValue); stdcall;
|
|
var
|
|
TempObject : TObject;
|
|
begin
|
|
TempObject := CefGetObject(self);
|
|
|
|
if (TempObject <> nil) and (TempObject is TCEFAccessibilityHandlerOwn) then
|
|
TCEFAccessibilityHandlerOwn(TempObject).OnAccessibilityTreeChange(TCefValueRef.UnWrap(value));
|
|
end;
|
|
|
|
procedure cef_accessibility_handler_on_accessibility_location_change(self: PCefAccessibilityHandler; value: PCefValue); stdcall;
|
|
var
|
|
TempObject : TObject;
|
|
begin
|
|
TempObject := CefGetObject(self);
|
|
|
|
if (TempObject <> nil) and (TempObject is TCEFAccessibilityHandlerOwn) then
|
|
TCEFAccessibilityHandlerOwn(TempObject).OnAccessibilityLocationChange(TCefValueRef.UnWrap(value));
|
|
end;
|
|
|
|
constructor TCEFAccessibilityHandlerOwn.Create;
|
|
begin
|
|
inherited CreateData(SizeOf(TCEFAccessibilityHandler));
|
|
|
|
with PCEFAccessibilityHandler(FData)^ do
|
|
begin
|
|
on_accessibility_tree_change := {$IFDEF FPC}@{$ENDIF}cef_accessibility_handler_on_accessibility_tree_change;
|
|
on_accessibility_location_change := {$IFDEF FPC}@{$ENDIF}cef_accessibility_handler_on_accessibility_location_change;
|
|
end;
|
|
end;
|
|
|
|
procedure TCEFAccessibilityHandlerOwn.OnAccessibilityTreeChange(const value: ICefValue);
|
|
begin
|
|
//
|
|
end;
|
|
|
|
procedure TCEFAccessibilityHandlerOwn.OnAccessibilityLocationChange(const value: ICefValue);
|
|
begin
|
|
//
|
|
end;
|
|
|
|
|
|
// *****************************************
|
|
// ****** TCustomAccessibilityHandler ******
|
|
// *****************************************
|
|
|
|
constructor TCustomAccessibilityHandler.Create;
|
|
begin
|
|
inherited Create;
|
|
|
|
FOnTreeChange := nil;
|
|
FOnLocationChange := nil;
|
|
end;
|
|
|
|
procedure TCustomAccessibilityHandler.OnAccessibilityTreeChange(const value: ICefValue);
|
|
begin
|
|
if assigned(FOnTreeChange) then FOnTreeChange(self, value);
|
|
end;
|
|
|
|
procedure TCustomAccessibilityHandler.OnAccessibilityLocationChange(const value: ICefValue);
|
|
begin
|
|
if assigned(FOnLocationChange) then FOnLocationChange(self, value);
|
|
end;
|
|
|
|
end.
|