ui/wm/public/animation_host.h

   1 // Copyright 2013 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 UI_WM_PUBLIC_ANIMATION_HOST_H_
   6 #define UI_WM_PUBLIC_ANIMATION_HOST_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "ui/aura/aura_export.h"
  10
  11 namespace gfx {
  12 class Vector2d;
  13 }
  14
  15 namespace aura {
  16 class Window;
  17 namespace client {
  18
  19 // Interface for top level window host of animation. Communicates additional
  20 // bounds required for animation as well as animation completion for deferring
  21 // window closes on hide.
  22 class AURA_EXPORT AnimationHost {
  23  public:
  24   // Ensure the host window is at least this large so that transitions have
  25   // sufficient space.
  26   // The |top_left_delta| parameter contains the offset to be subtracted from
  27   // the window bounds for the top left corner.
  28   // The |bottom_right_delta| parameter contains the offset to be added to the
  29   // window bounds for the bottom right.
  30   virtual void SetHostTransitionOffsets(
  31       const gfx::Vector2d& top_left_delta,
  32       const gfx::Vector2d& bottom_right_delta) = 0;
  33
  34   // Called after the window has faded out on a hide.
  35   virtual void OnWindowHidingAnimationCompleted() = 0;
  36
  37  protected:
  38   virtual ~AnimationHost() {}
  39 };
  40
  41 AURA_EXPORT void SetAnimationHost(Window* window,
  42                                   AnimationHost* animation_host);
  43 AURA_EXPORT AnimationHost* GetAnimationHost(Window* window);
  44
  45 }  // namespace client
  46 }  // namespace aura
  47
  48 #endif  // UI_WM_PUBLIC_ANIMATION_HOST_H_