WIP Add getCoalescedEvents API using vector of WebInputEvents

third_party/WebKit/Source/web/PageWidgetDelegate.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef PageWidgetDelegate_h
 #define PageWidgetDelegate_h
 
+#include "public/platform/CoalescedWebInputEvent.h"
 #include "public/platform/WebCanvas.h"
-#include "public/platform/WebInputEvent.h"
 #include "public/web/WebWidget.h"
 #include "web/WebExport.h"
 
 namespace blink {
 
 class LocalFrame;
 class Page;
 class WebGestureEvent;
 class WebInputEvent;
 class WebKeyboardEvent;
 class WebMouseEvent;
 class WebMouseWheelEvent;
 class WebTouchEvent;
 
 class WEB_EXPORT PageWidgetEventHandler {
  public:
-  virtual void handleMouseMove(LocalFrame& mainFrame, const WebMouseEvent&);
+  virtual void handleMouseMove(LocalFrame& mainFrame,
+                               const WebMouseEvent&,
+                               const std::vector<const WebInputEvent*>&);
   virtual void handleMouseLeave(LocalFrame& mainFrame, const WebMouseEvent&);
   virtual void handleMouseDown(LocalFrame& mainFrame, const WebMouseEvent&);
   virtual void handleMouseUp(LocalFrame& mainFrame, const WebMouseEvent&);
   virtual WebInputEventResult handleMouseWheel(LocalFrame& mainFrame,
                                                const WebMouseWheelEvent&);
   virtual WebInputEventResult handleKeyEvent(const WebKeyboardEvent&) = 0;
   virtual WebInputEventResult handleCharEvent(const WebKeyboardEvent&) = 0;
   virtual WebInputEventResult handleGestureEvent(const WebGestureEvent&) = 0;
-  virtual WebInputEventResult handleTouchEvent(LocalFrame& mainFrame,
-                                               const WebTouchEvent&);
+  virtual WebInputEventResult handleTouchEvent(
+      LocalFrame& mainFrame,
+      const WebTouchEvent&,
+      const std::vector<const WebInputEvent*>&);
   virtual ~PageWidgetEventHandler() {}
 };
 
 // Common implementation of WebViewImpl and WebPagePopupImpl.
 class PageWidgetDelegate {
  public:
   static void animate(Page&, double monotonicFrameBeginTime);
 
   // For the following methods, the |root| argument indicates a root localFrame
   // from which to start performing the specified operation.
 
   // See documents of methods with the same names in FrameView class.
   static void updateAllLifecyclePhases(Page&, LocalFrame& root);
 
   static void paint(Page&, WebCanvas*, const WebRect&, LocalFrame& root);
   static void paintIgnoringCompositing(Page&,
                                        WebCanvas*,
                                        const WebRect&,
                                        LocalFrame& root);
 
   // See FIXME in the function body about nullptr |root|.
   static WebInputEventResult handleInputEvent(PageWidgetEventHandler&,
-                                              const WebInputEvent&,
+                                              const CoalescedWebInputEvent&,
                                               LocalFrame* root);
 
  private:
   PageWidgetDelegate() {}
 };
 
 }  // namespace blink
 #endif