Add touch gestures to views menu controls.

ui/views/controls/button/menu_button.cc

 // Copyright (c) 2012 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 "ui/views/controls/button/menu_button.h"
 
 #include "base/utf_string_conversions.h"
 #include "grit/ui_resources.h"
 #include "grit/ui_strings.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
+#include "ui/base/events.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/button/menu_button_listener.h"
 #include "ui/views/events/event.h"
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/widget.h"
@@ skipping 208 matching lines @@
     case ui::VKEY_DOWN: {
       // WARNING: we may have been deleted by the time Activate returns.
       return Activate();
     }
     default:
       break;
   }
   return false;
 }
 
+ui::GestureStatus MenuButton::OnGestureEvent(const GestureEvent& event) {

[sadrul, 2012/06/11 16:00:37]

This should be before OnKeyPressed (order in cc file should match the other in
h)

[flackr, 2012/06/11 19:34:45]

Done.

+  if (state() != BS_DISABLED && event.type() == ui::ET_GESTURE_TAP) {
+    if (Activate())
+      return ui::GESTURE_STATUS_CONSUMED;
+  }
+  return TextButton::OnGestureEvent(event);
+}
+
 bool MenuButton::OnKeyReleased(const KeyEvent& event) {
   // Override CustomButton's implementation, which presses the button when
   // you press space and clicks it when you release space.  For a MenuButton
   // we always activate the menu on key press.
   return false;
 }
 
 void MenuButton::GetAccessibleState(ui::AccessibleViewState* state) {
   CustomButton::GetAccessibleState(state);
   state->role = ui::AccessibilityTypes::ROLE_BUTTONMENU;
   state->default_action = l10n_util::GetStringUTF16(IDS_APP_ACCACTION_PRESS);
   state->state = ui::AccessibilityTypes::STATE_HASPOPUP;
 }
 
 int MenuButton::GetMaximumScreenXCoordinate() {
   if (!GetWidget()) {
     NOTREACHED();
     return 0;
   }
 
   gfx::Rect monitor_bounds = GetWidget()->GetWorkAreaBoundsInScreen();
   return monitor_bounds.right() - 1;
 }
 
 }  // namespace views