ash/wm/window_animations.h

   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_WM_WINDOW_ANIMATIONS_H_
   6 #define ASH_WM_WINDOW_ANIMATIONS_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "ui/gfx/transform.h"
  10 #include "ui/views/corewm/window_animations.h"
  11
  12 namespace aura {
  13 class Window;
  14 }
  15 namespace ui {
  16 class Layer;
  17 }
  18
  19 // This is only for animations specific to Ash. For window animations shared
  20 // with desktop Chrome, see ui/views/corewm/window_animations.h.
  21 namespace ash {
  22
  23 // An extension of the window animations provided by CoreWm. These should be
  24 // Ash-specific only.
  25 enum WindowVisibilityAnimationType {
  26   // Window scale/rotates down to its launcher icon.
  27   WINDOW_VISIBILITY_ANIMATION_TYPE_MINIMIZE =
  28       views::corewm::WINDOW_VISIBILITY_ANIMATION_MAX,
  29   // Fade in/out using brightness and grayscale web filters.
  30   WINDOW_VISIBILITY_ANIMATION_TYPE_BRIGHTNESS_GRAYSCALE
  31 };
  32
  33 // Direction for ash-specific window animations used in workspaces and
  34 // lock/unlock animations.
  35 enum LayerScaleAnimationDirection {
  36   LAYER_SCALE_ANIMATION_ABOVE,
  37   LAYER_SCALE_ANIMATION_BELOW,
  38 };
  39
  40 // Animate a cross-fade of |window| from its current bounds to |new_bounds|.
  41 ASH_EXPORT void CrossFadeToBounds(aura::Window* window,
  42                                   const gfx::Rect& new_bounds);
  43
  44 // Cross fades |layer| (which is a clone of |window|s layer before it was
  45 // resized) to |window|s current bounds. |new_workspace| is the Window of the
  46 // workspace |window| was added to.
  47 // This takes ownership of |layer|.
  48 ASH_EXPORT void CrossFadeWindowBetweenWorkspaces(aura::Window* new_workspace,
  49                                                  aura::Window* window,
  50                                                  ui::Layer* layer);
  51
  52 // Returns the duration of the cross-fade animation based on the |old_bounds|
  53 // and |new_bounds| of the window.
  54 ASH_EXPORT base::TimeDelta GetCrossFadeDuration(const gfx::Rect& old_bounds,
  55                                                 const gfx::Rect& new_bounds);
  56
  57 ASH_EXPORT bool AnimateOnChildWindowVisibilityChanged(aura::Window* window,
  58                                                       bool visible);
  59
  60 // Creates vector of animation sequences that lasts for |duration| and changes
  61 // brightness and grayscale to |target_value|. Caller takes ownership of
  62 // returned LayerAnimationSequence objects.
  63 ASH_EXPORT std::vector<ui::LayerAnimationSequence*>
  64 CreateBrightnessGrayscaleAnimationSequence(float target_value,
  65                                            base::TimeDelta duration);
  66
  67 // Applies scale related to the specified AshWindowScaleType.
  68 ASH_EXPORT void SetTransformForScaleAnimation(
  69     ui::Layer* layer,
  70     LayerScaleAnimationDirection type);
  71
  72 }  // namespace ash
  73
  74
  75 #endif  // ASH_WM_WINDOW_ANIMATIONS_H_