Add MD ink drop ripple to shelf app items

ash/shelf/overflow_button.cc

 // Copyright 2013 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/shelf/overflow_button.h"
 
 #include "ash/ash_switches.h"
 #include "ash/common/ash_constants.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/system/tray/tray_constants.h"
+#include "ash/shelf/ink_drop_button_listener.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_widget.h"
 #include "grit/ash_resources.h"
 #include "grit/ash_strings.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/animation/throb_animation.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image_skia_operations.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/gfx/skbitmap_operations.h"
 #include "ui/gfx/skia_util.h"
 #include "ui/gfx/transform.h"
 #include "ui/gfx/vector_icons_public.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 
-OverflowButton::OverflowButton(views::ButtonListener* listener, Shelf* shelf)
-    : CustomButton(listener), bottom_image_(nullptr), shelf_(shelf) {
+OverflowButton::OverflowButton(InkDropButtonListener* listener, Shelf* shelf)
+    : CustomButton(nullptr),
+      bottom_image_(nullptr),
+      listener_(listener),
+      shelf_(shelf) {
   if (MaterialDesignController::IsShelfMaterial()) {
     bottom_image_md_ =
         CreateVectorIcon(gfx::VectorIconId::SHELF_OVERFLOW, kShelfIconColor);
     bottom_image_ = &bottom_image_md_;
   } else {
     bottom_image_ = ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
         IDR_ASH_SHELF_OVERFLOW);
   }
 
   SetFocusBehavior(FocusBehavior::ACCESSIBLE_ONLY);
   SetAccessibleName(l10n_util::GetStringUTF16(IDS_ASH_SHELF_OVERFLOW_NAME));
 }
 
 OverflowButton::~OverflowButton() {}
 
 void OverflowButton::OnShelfAlignmentChanged() {
   SchedulePaint();
 }
 
 void OverflowButton::OnPaint(gfx::Canvas* canvas) {
   gfx::Rect bounds = CalculateButtonBounds();
   PaintBackground(canvas, bounds);
   PaintForeground(canvas, bounds);
 }
 
+void OverflowButton::NotifyClick(const ui::Event& event) {
+  CustomButton::NotifyClick(event);
+  if (listener_)
+    listener_->ButtonPressed(this, event, ink_drop());
+}
+
 void OverflowButton::PaintBackground(gfx::Canvas* canvas,
                                      const gfx::Rect& bounds) {
   if (MaterialDesignController::IsShelfMaterial()) {
     SkColor background_color = SK_ColorTRANSPARENT;
     ShelfWidget* shelf_widget = shelf_->shelf_widget();
     if (shelf_widget &&
         shelf_widget->GetBackgroundType() ==
             ShelfBackgroundType::SHELF_BACKGROUND_DEFAULT) {
       background_color = SkColorSetA(kShelfBaseColor,
                                      GetShelfConstant(SHELF_BACKGROUND_ALPHA));
@@ skipping 19 matching lines @@
     const gfx::ImageSkia* background =
         rb.GetImageNamed(NonMaterialBackgroundImageId()).ToImageSkia();
     canvas->DrawImageInt(*background, bounds.x(), bounds.y());
   }
 }
 
 void OverflowButton::PaintForeground(gfx::Canvas* canvas,
                                      const gfx::Rect& bounds) {
   const gfx::ImageSkia* image = nullptr;
 
-  switch(shelf_->alignment()) {
+  switch (shelf_->alignment()) {
     case SHELF_ALIGNMENT_LEFT:
       if (left_image_.isNull()) {
         left_image_ = gfx::ImageSkiaOperations::CreateRotatedImage(
             *bottom_image_, SkBitmapOperations::ROTATION_90_CW);
       }
       image = &left_image_;
       break;
     case SHELF_ALIGNMENT_RIGHT:
       if (right_image_.isNull()) {
         right_image_ = gfx::ImageSkiaOperations::CreateRotatedImage(
@@ skipping 51 matching lines @@
       bounds =
           gfx::Rect(bounds.x() + (bounds.width() - background->width()) / 2,
                     bounds.y() + kShelfItemInset, background->width(),
                     background->height());
     }
   }
   return bounds;
 }
 
 }  // namespace ash