touch: Gesture manager receives the touch-sequence status.

views/touchui/gesture_manager.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "views/touchui/gesture_manager.h"
 #ifndef NDEBUG
 #include <iostream>
 #endif
 
 #include "base/logging.h"
 #include "views/event.h"
 #include "views/view.h"
 
 namespace views {
 
 GestureManager::~GestureManager() {
 }
 
 GestureManager* GestureManager::GetInstance() {
   return Singleton<GestureManager>::get();
 }
 
 bool GestureManager::ProcessTouchEventForGesture(const TouchEvent& event,
                                                  View* source,
-                                                 bool previouslyHandled) {
-  if (previouslyHandled)
-    return false;
+                                                 View::TouchStatus status) {
+  if (status != View::TOUCH_STATUS_UNKNOWN)
+    return false;  // The event was consumed by a touch sequence.
 
   // TODO(rjkroege): A realistic version of the GestureManager will
   // appear in a subsequent CL. This interim version permits verifying that the
   // event distribution code works by turning all touch inputs into
   // mouse approximations.
   if (event.GetType() == Event::ET_TOUCH_PRESSED) {
     DVLOG(1) << "GestureManager::ProcessTouchEventForGesture: TouchPressed";
     MouseEvent mouse_event(Event::ET_MOUSE_PRESSED, event.x(), event.y(),
                            event.GetFlags());
     source->OnMousePressed(mouse_event);
@@ skipping 17 matching lines @@
   }
 
   DVLOG(1) << "GestureManager::ProcessTouchEventForGesture: unhandled event";
   return false;
 }
 
 GestureManager::GestureManager() {
 }
 
 }  // namespace views