reorganization of folders

source/uCEFDragHandler.pas

@@ -0,0 +1,132 @@
+// ************************************************************************
+// ***************************** 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 � 2017 Salvador D�az 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 uCEFDragHandler;
+
+{$IFNDEF CPUX64}
+  {$ALIGN ON}
+  {$MINENUMSIZE 4}
+{$ENDIF}
+
+interface
+
+uses
+  uCEFBase, uCEFInterfaces, uCEFTypes;
+
+type
+  TCefDragHandlerOwn = class(TCefBaseOwn, ICefDragHandler)
+    protected
+      function OnDragEnter(const browser: ICefBrowser; const dragData: ICefDragData; mask: TCefDragOperations): Boolean; virtual;
+      procedure OnDraggableRegionsChanged(const browser: ICefBrowser; regionsCount: NativeUInt; regions: PCefDraggableRegionArray); virtual;
+
+    public
+      constructor Create; virtual;
+  end;
+
+  TCustomDragHandler = class(TCefDragHandlerOwn)
+    protected
+      FEvent: IChromiumEvents;
+
+      function  OnDragEnter(const browser: ICefBrowser;  const dragData: ICefDragData; mask: TCefDragOperations): Boolean; override;
+      procedure OnDraggableRegionsChanged(const browser: ICefBrowser; regionsCount: NativeUInt; regions: PCefDraggableRegionArray); override;
+
+    public
+      constructor Create(const events: IChromiumEvents); reintroduce; virtual;
+  end;
+
+implementation
+
+uses
+  uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFDragData;
+
+function cef_drag_handler_on_drag_enter(self: PCefDragHandler; browser: PCefBrowser;
+  dragData: PCefDragData; mask: TCefDragOperations): Integer; stdcall;
+begin
+  with TCefDragHandlerOwn(CefGetObject(self)) do
+    Result := Ord(OnDragEnter(TCefBrowserRef.UnWrap(browser), TCefDragDataRef.UnWrap(dragData), mask));
+end;
+
+procedure cef_drag_handler_on_draggable_regions_changed(self: PCefDragHandler;
+  browser: PCefBrowser; regionsCount: NativeUInt; regions: PCefDraggableRegionArray); stdcall;
+begin
+  with TCefDragHandlerOwn(CefGetObject(self)) do
+    OnDraggableRegionsChanged(TCefBrowserRef.UnWrap(browser), regionsCount, regions);
+end;
+
+constructor TCefDragHandlerOwn.Create;
+begin
+  CreateData(SizeOf(TCefDragHandler), False);
+  with PCefDragHandler(FData)^ do
+  begin
+    on_drag_enter := cef_drag_handler_on_drag_enter;
+    on_draggable_regions_changed := cef_drag_handler_on_draggable_regions_changed;
+  end;
+end;
+
+function TCefDragHandlerOwn.OnDragEnter(const browser: ICefBrowser;
+  const dragData: ICefDragData; mask: TCefDragOperations): Boolean;
+begin
+  Result := False;
+end;
+
+procedure TCefDragHandlerOwn.OnDraggableRegionsChanged(
+  const browser: ICefBrowser; regionsCount: NativeUInt;
+  regions: PCefDraggableRegionArray);
+begin
+
+end;
+
+// TCustomDragHandler
+
+constructor TCustomDragHandler.Create(const events: IChromiumEvents);
+begin
+  inherited Create;
+
+  FEvent := events;
+end;
+
+function TCustomDragHandler.OnDragEnter(const browser: ICefBrowser; const dragData: ICefDragData; mask: TCefDragOperations): Boolean;
+begin
+  Result := FEvent.doOnDragEnter(browser, dragData, mask);
+end;
+
+procedure TCustomDragHandler.OnDraggableRegionsChanged(const browser: ICefBrowser; regionsCount: NativeUInt; regions: PCefDraggableRegionArray);
+begin
+  FEvent.doOnDraggableRegionsChanged(browser, regionsCount, regions);
+end;
+
+end.