1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef ASH_LAUNCHER_OVERFLOW_BUTTON_H_ 6 #define ASH_LAUNCHER_OVERFLOW_BUTTON_H_ 7 8 #include "ash/shelf/shelf_types.h" 9 #include "base/basictypes.h" 10 #include "base/compiler_specific.h" 11 #include "ui/gfx/image/image_skia.h" 12 #include "ui/views/controls/button/custom_button.h" 13 14 namespace ash { 15 namespace internal { 16 17 // Launcher overflow chevron button. 18 class OverflowButton : public views::CustomButton { 19 public: 20 explicit OverflowButton(views::ButtonListener* listener); 21 virtual ~OverflowButton(); 22 23 void OnShelfAlignmentChanged(); 24 25 private: 26 void PaintBackground(gfx::Canvas* canvas, int alpha); 27 28 // views::View overrides: 29 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; 30 31 // Left and right images are rotations of bottom_image and are 32 // owned by the overflow button. 33 gfx::ImageSkia left_image_; 34 gfx::ImageSkia right_image_; 35 // Bottom image is owned by the resource bundle. 36 const gfx::ImageSkia* bottom_image_; 37 38 DISALLOW_COPY_AND_ASSIGN(OverflowButton); 39 }; 40 41 } // namespace internal 42 } // namespace ash 43 44 #endif // ASH_LAUNCHER_OVERFLOW_BUTTON_H_ 45
