Add ink drop ripple to overview mode button

ash/common/system/tray/actionable_view.cc

 // Copyright 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/common/system/tray/actionable_view.h"
 
 #include "ash/common/ash_constants.h"
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/system_tray_item.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/views/animation/flood_fill_ink_drop_ripple.h"
 #include "ui/views/animation/ink_drop_highlight.h"
 #include "ui/views/animation/ink_drop_impl.h"
 
 namespace ash {
 
 // static
 const char ActionableView::kViewClassName[] = "tray/ActionableView";
 
 ActionableView::ActionableView(SystemTrayItem* owner)
     : views::CustomButton(this), destroyed_(nullptr), owner_(owner) {
   SetFocusBehavior(FocusBehavior::ALWAYS);
+  set_ink_drop_base_color(kTrayPopupInkDropBaseColor);
+  set_ink_drop_visible_opacity(kTrayPopupInkDropRippleOpacity);
   set_has_ink_drop_action_on_click(false);
   set_notify_enter_exit_on_child(true);
 }
 
 ActionableView::~ActionableView() {
   if (destroyed_)
     *destroyed_ = true;
 }
 
 void ActionableView::OnPaintFocus(gfx::Canvas* canvas) {
   gfx::Rect rect(GetFocusBounds());
   rect.Inset(1, 1, 3, 2);
   canvas->DrawSolidFocusRect(rect, kFocusBorderColor);
 }
 
 gfx::Rect ActionableView::GetFocusBounds() {
   return GetLocalBounds();
 }
 
+void ActionableView::HandlePerformActionResult(bool action_performed,
+                                               const ui::Event& event) {
+  AnimateInkDrop(action_performed ? views::InkDropState::ACTION_TRIGGERED
+                                  : views::InkDropState::HIDDEN,
+                 ui::LocatedEvent::FromIfValid(&event));
+}
+
 const char* ActionableView::GetClassName() const {
   return kViewClassName;
 }
 
 bool ActionableView::OnKeyPressed(const ui::KeyEvent& event) {
   if (state() != STATE_DISABLED && event.key_code() == ui::VKEY_SPACE) {
     NotifyClick(event);
     return true;
   }
   return CustomButton::OnKeyPressed(event);
@@ skipping 30 matching lines @@
   std::unique_ptr<views::InkDropImpl> ink_drop =
       CreateDefaultFloodFillInkDropImpl();
   ink_drop->SetShowHighlightOnHover(false);
   return std::move(ink_drop);
 }
 
 std::unique_ptr<views::InkDropRipple> ActionableView::CreateInkDropRipple()
     const {
   return base::MakeUnique<views::FloodFillInkDropRipple>(
       GetLocalBounds(), GetInkDropCenterBasedOnLastEvent(),
-      kTrayPopupInkDropBaseColor, kTrayPopupInkDropRippleOpacity);
+      GetInkDropBaseColor(), ink_drop_visible_opacity());
 }
 
 std::unique_ptr<views::InkDropHighlight>
 ActionableView::CreateInkDropHighlight() const {
   std::unique_ptr<views::InkDropHighlight> highlight(
       new views::InkDropHighlight(size(), 0,
                                   gfx::RectF(GetLocalBounds()).CenterPoint(),
-                                  kTrayPopupInkDropBaseColor));
+                                  GetInkDropBaseColor()));
   highlight->set_visible_opacity(kTrayPopupInkDropHighlightOpacity);
   return highlight;
 }
 
 void ActionableView::CloseSystemBubble() {
   DCHECK(owner_);
   owner_->system_tray()->CloseSystemBubble();
 }
 
 void ActionableView::ButtonPressed(Button* sender, const ui::Event& event) {
   bool destroyed = false;
   destroyed_ = &destroyed;
   const bool action_performed = PerformAction(event);
   if (destroyed)
     return;
   destroyed_ = nullptr;
 
-  if (action_performed) {
-    AnimateInkDrop(views::InkDropState::ACTION_TRIGGERED,
-                   ui::LocatedEvent::FromIfValid(&event));
-  } else {
-    AnimateInkDrop(views::InkDropState::HIDDEN,
-                   ui::LocatedEvent::FromIfValid(&event));
-  }
+  HandlePerformActionResult(action_performed, event);
 }
 
 }  // namespace ash