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 "base/memory/scoped_ptr.h"
  10 #include "ui/gfx/animation/tween.h"
  11 #include "ui/gfx/transform.h"
  12 #include "ui/wm/core/window_animations.h"
  13
  14 namespace aura {
  15 class Window;
  16 }
  17 namespace ui {
  18 class Layer;
  19 class LayerTreeOwner;
  20 }
  21 namespace views {
  22 }
  23
  24 // This is only for animations specific to Ash. For window animations shared
  25 // with desktop Chrome, see ui/views/corewm/window_animations.h.
  26 namespace ash {
  27
  28 // An extension of the window animations provided by CoreWm. These should be
  29 // Ash-specific only.
  30 enum WindowVisibilityAnimationType {
  31   // Window scale/rotates down to its launcher icon.
  32   WINDOW_VISIBILITY_ANIMATION_TYPE_MINIMIZE =
  33       ::wm::WINDOW_VISIBILITY_ANIMATION_MAX,
  34   // Fade in/out using brightness and grayscale web filters.
  35   WINDOW_VISIBILITY_ANIMATION_TYPE_BRIGHTNESS_GRAYSCALE
  36 };
  37
  38 // Direction for ash-specific window animations used in workspaces and
  39 // lock/unlock animations.
  40 enum LayerScaleAnimationDirection {
  41   LAYER_SCALE_ANIMATION_ABOVE,
  42   LAYER_SCALE_ANIMATION_BELOW,
  43 };
  44
  45 // Amount of time for the cross fade animation.
  46 extern const int kCrossFadeDurationMS;
  47
  48 // Implementation of cross fading. Window is the window being cross faded. It
  49 // should be at the target bounds. |old_layer_owner| contains the previous layer
  50 // from |window|.  |tween_type| specifies the tween type of the cross fade
  51 // animation.
  52 ASH_EXPORT base::TimeDelta CrossFadeAnimation(
  53     aura::Window* window,
  54     scoped_ptr<ui::LayerTreeOwner> old_layer_owner,
  55     gfx::Tween::Type tween_type);
  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 // Returns the approximate bounds to which |window| will be animated when it
  73 // is minimized. The bounds are approximate because the minimize animation
  74 // involves rotation.
  75 ASH_EXPORT gfx::Rect GetMinimizeAnimationTargetBoundsInScreen(
  76     aura::Window* window);
  77
  78 }  // namespace ash
  79
  80 #endif  // ASH_WM_WINDOW_ANIMATIONS_H_