Touch gestures for System Tray/ IME/ Stylus/ Notifications

ash/system/tray/system_tray_bubble.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 "ash/system/tray/system_tray_bubble.h"
 
 #include <utility>
 #include <vector>
 
 #include "ash/session/session_controller.h"
@@ skipping 71 matching lines @@
     system_tray_bubble_->Close();
     delete this;
   }
 
  private:
   SystemTrayBubble* system_tray_bubble_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(CloseBubbleObserver);
 };
 
+class SystemTrayBubbleView : public TrayBubbleView {
+ public:
+  SystemTrayBubbleView(TrayBubbleView::InitParams* init_params,
+                       SystemTray* tray)
+      : TrayBubbleView(*init_params), tray_(tray) {}
+
+  // views::View

[xdai1, 2017/06/30 22:27:08]

nit: // views::View:

[minch1, 2017/07/01 05:57:14]

Done.

+  void OnGestureEvent(ui::GestureEvent* event) override {
+    if (tray_ && tray_->ProcessGestureEvent(*event, true))

[xdai1, 2017/06/30 22:27:08]

nit: tray_->ProcessGestureEvent(*event, true /* is_on_bubble */)

[minch1, 2017/07/01 05:57:14]

Done.

+      event->SetHandled();
+    else
+      TrayBubbleView::OnGestureEvent(event);
+  }
+
+ private:
+  SystemTray* tray_;  // Not owned.
+
+  DISALLOW_COPY_AND_ASSIGN(SystemTrayBubbleView);
+};  // namespace ash
+
 // SystemTrayBubble
 
 SystemTrayBubble::SystemTrayBubble(
     ash::SystemTray* tray,
     const std::vector<ash::SystemTrayItem*>& items,
     BubbleType bubble_type)
     : tray_(tray),
       bubble_view_(nullptr),
       items_(items),
       bubble_type_(bubble_type),
@@ skipping 134 matching lines @@
       tray_->GetBubbleWindowContainer()->AddChild(clipping_window_.get());
       clipping_window_->Show();
     }
     clipping_window_->SetBounds(tray_->GetWorkAreaBoundsInScreen());
     init_params->parent_window = clipping_window_.get();
   } else {
     init_params->parent_window = tray_->GetBubbleWindowContainer();
   }
 
   init_params->anchor_view = anchor;
-  bubble_view_ = new TrayBubbleView(*init_params);
+  bubble_view_ = new SystemTrayBubbleView(init_params, tray_);
   UpdateBottomPadding();
   bubble_view_->set_adjust_if_offscreen(false);
   CreateItemViews(login_status);
 
   if (bubble_view_->CanActivate()) {
     bubble_view_->NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
   }
 }
 
 void SystemTrayBubble::DestroyItemViews() {
@@ skipping 125 matching lines @@
     }
   }
 
   if (focus_view) {
     tray_->ActivateBubble();
     focus_view->RequestFocus();
   }
 }
 
 }  // namespace ash