Added entry points to view/View to dispatch and process TouchEvents.

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::Get() {
+  return Singleton<GestureManager>::get();
+}
+
+bool GestureManager::ProcessTouchEventForGesture(const TouchEvent& event,
+                                                 View* source,
+                                                 bool previouslyHandled) {
+  // TODO(rjkroege): A realistic version of the GestureManager will
+  // appear in a subsequent CL. This interim version permits verifying that the
+  // event distirbution code works by turning all touch inputs into
+  // mouse approximations.
+  bool handled = false;
+  if (event.GetType() == Event::ET_TOUCH_PRESSED) {
+    DLOG(INFO) << "GestureManager::ProcessTouchEventForGesture: " <<
+        "TouchPressed\n";
+    MouseEvent mouse_event(Event::ET_MOUSE_PRESSED, event.x(), event.y(),
+                           event.GetFlags());
+    source->OnMousePressed(mouse_event);
+    handled = true;
+  } else if (event.GetType() == Event::ET_TOUCH_RELEASED) {
+    DLOG(INFO) << "GestureManager::ProcessTouchEventForGesture: " <<
+        "TouchReleased\n";
+    MouseEvent mouse_event(Event::ET_MOUSE_RELEASED, event.x(), event.y(),
+                           event.GetFlags());
+    source->OnMouseReleased(mouse_event, false);
+    handled = true;
+  } else if (event.GetType() == Event::ET_TOUCH_MOVED) {
+    DLOG(INFO) << "GestureManager::ProcessTouchEventForGesture: " <<
+        "TouchMotion\n";
+    MouseEvent mouse_event(Event::ET_MOUSE_DRAGGED, event.x(), event.y(),
+                           event.GetFlags());
+    source->OnMouseDragged(mouse_event);
+    handled = true;
+  } else {
+    DLOG(INFO) << "GestureManager::ProcessTouchEventForGesture: " <<
+        "unhandled event\n";
+  }
+  return handled;
+}
+
+GestureManager::GestureManager() {
+}
+
+}  // namespace views