Fix a few issues with touch-events and views-desktop.

 * Activate a widget when it is touched.
 * Drop a synthetic mouse event on the toplevel widget instead of the immediate
   parent widget.
 * Send touch-events to the captured view if there is one.

BUG=none
TEST=manually

Review URL: http://codereview.chromium.org/7540002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@94796 0039d316-1c4b-4281-b951-d872f2087c98

views/desktop/desktop_window_root_view.cc

@@ -28,7 +28,20 @@ DesktopWindowRootView::~DesktopWindowRootView() {
 // DesktopWindowRootView, internal::RootView overrides:
 
 bool DesktopWindowRootView::OnMousePressed(const MouseEvent& event) {
-  View* target = GetEventHandlerForPoint(event.location());
+  ActivateWidgetAtLocation(event.location());
+  return RootView::OnMousePressed(event);
+}
+
+ui::TouchStatus DesktopWindowRootView::OnTouchEvent(const TouchEvent& event) {
+  ActivateWidgetAtLocation(event.location());
+  return RootView::OnTouchEvent(event);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// DesktopWindowRootView, private
+
+void DesktopWindowRootView::ActivateWidgetAtLocation(const gfx::Point& point) {
+  View* target = GetEventHandlerForPoint(point);
   if (target->GetClassName() == internal::NativeWidgetView::kViewClassName) {
     internal::NativeWidgetView* native_widget_view =
         static_cast<internal::NativeWidgetView*>(target);
@@ -37,7 +50,6 @@ bool DesktopWindowRootView::OnMousePressed(const MouseEvent& event) {
   } else {
     desktop_window_view_->ActivateWidget(NULL);
   }
-  return RootView::OnMousePressed(event);
 }
 
 }  // namespace desktop

views/desktop/desktop_window_root_view.h

@@ -20,6 +20,11 @@ class DesktopWindowRootView : public internal::RootView {
  private:
   // Overridden from RootView:
   virtual bool OnMousePressed(const MouseEvent& event) OVERRIDE;
+  virtual ui::TouchStatus OnTouchEvent(const TouchEvent& event) OVERRIDE;
+
+  // Activates the widget at the specified location and deactivates the
+  // currently selected widget.
+  void ActivateWidgetAtLocation(const gfx::Point& point);
 
   DesktopWindowView* desktop_window_view_;
 

views/events/event.h

@@ -273,6 +273,7 @@ class VIEWS_API TouchEvent : public LocatedEvent {
   float force() const { return force_; }
 
  private:
+  friend class internal::NativeWidgetView;
   friend class internal::RootView;
 
   TouchEvent(const TouchEvent& model, View* root);

views/touchui/gesture_manager.cc

@@ -32,9 +32,12 @@ bool GestureManager::ProcessTouchEventForGesture(const TouchEvent& event,
   // event distribution code works by turning all touch inputs into
   // mouse approximations.
 
+  // Conver the touch-event into a mouse-event. This mouse-event gets its
+  // location information from the native-event, so it needs to drop on the
+  // toplevel widget instead of just source->GetWidget.
   Event::FromNativeEvent2 from_native;
   MouseEvent mouseev(event, from_native);
-  source->GetWidget()->OnMouseEvent(mouseev);
+  source->GetWidget()->GetTopLevelWidget()->OnMouseEvent(mouseev);
   return true;
 }
 

views/widget/native_widget_view.cc

@@ -104,7 +104,8 @@ void NativeWidgetView::OnMouseExited(const MouseEvent& event) {
 }
 
 ui::TouchStatus NativeWidgetView::OnTouchEvent(const TouchEvent& event) {
-  return delegate()->OnTouchEvent(event);
+  TouchEvent e(event, this);
+  return delegate()->OnTouchEvent(e);
 }
 
 bool NativeWidgetView::OnKeyPressed(const KeyEvent& event) {

views/widget/root_view.cc

@@ -367,6 +367,10 @@ bool RootView::OnMouseWheel(const MouseWheelEvent& event) {
 
 ui::TouchStatus RootView::OnTouchEvent(const TouchEvent& event) {
   TouchEvent e(event, this);
+  if (capture_view_) {
+    TouchEvent ce(e, this, capture_view_);
+    return capture_view_->OnTouchEvent(ce);
+  }
 
   // If touch_pressed_handler_ is non null, we are currently processing
   // a touch down on the screen situation. In that case we send the