ash: First pass of Applist v2.

ash/app_list/app_list_bubble_border.h

+// 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.
+
+#ifndef ASH_APP_LIST_APP_LIST_BUBBLE_BORDER_H_
+#define ASH_APP_LIST_APP_LIST_BUBBLE_BORDER_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "ui/views/bubble/bubble_border.h"
+
+namespace ash {
+
+// A class to paint bubble border and background.
+class AppListBubbleBorder : public views::BubbleBorder {
+ public:
+  explicit AppListBubbleBorder(views::View* app_list_view);
+  virtual ~AppListBubbleBorder();
+
+  int arrow_offset() const {
+    return arrow_offset_;
+  }
+  void set_arrow_offset(int arrow_offset) {
+    arrow_offset_ = arrow_offset;
+  }
+
+ private:
+  void PaintModelViewBackground(gfx::Canvas* canvas,
+                                const gfx::Rect& bounds) const;
+  void PaintPageSwitcherBackground(gfx::Canvas* canvas,
+                                   const gfx::Rect& bounds) const;
+
+  // views::BubbleBorder overrides:
+  virtual void GetInsets(gfx::Insets* insets) const OVERRIDE;
+  virtual gfx::Rect GetBounds(const gfx::Rect& position_relative_to,
+                              const gfx::Size& contents_size) const OVERRIDE;
+
+  // views::Border overrides:
+  virtual void Paint(const views::View& view,
+                     gfx::Canvas* canvas) const OVERRIDE;
+
+  // AppListView hosted inside this bubble.
+  views::View* app_list_view_;
+
+  // Offset in pixels relative the default middle position.
+  int arrow_offset_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppListBubbleBorder);
+};
+
+}  // namespace ash
+
+#endif  // ASH_APP_LIST_APP_LIST_BUBBLE_BORDER_H_