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/animation/tween.h"
  10 #include "ui/gfx/transform.h"
  11 #include "ui/views/corewm/window_animations.h"
  12
  13 namespace aura {
  14 class Window;
  15 }
  16 namespace ui {
  17 class Layer;
  18 }
  19
  20 // This is only for animations specific to Ash. For window animations shared
  21 // with desktop Chrome, see ui/views/corewm/window_animations.h.
  22 namespace ash {
  23
  24 // An extension of the window animations provided by CoreWm. These should be
  25 // Ash-specific only.
  26 enum WindowVisibilityAnimationType {
  27   // Window scale/rotates down to its launcher icon.
  28   WINDOW_VISIBILITY_ANIMATION_TYPE_MINIMIZE =
  29       views::corewm::WINDOW_VISIBILITY_ANIMATION_MAX,
  30   // Fade in/out using brightness and grayscale web filters.
  31   WINDOW_VISIBILITY_ANIMATION_TYPE_BRIGHTNESS_GRAYSCALE
  32 };
  33
  34 // Direction for ash-specific window animations used in workspaces and
  35 // lock/unlock animations.
  36 enum LayerScaleAnimationDirection {
  37   LAYER_SCALE_ANIMATION_ABOVE,
  38   LAYER_SCALE_ANIMATION_BELOW,
  39 };
  40
  41 // Amount of time for the cross fade animation.
  42 extern const int kCrossFadeDurationMS;
  43
  44 // Implementation of cross fading. Window is the window being cross faded. It
  45 // should be at the target bounds. |old_layer| the previous layer from |window|.
  46 // This takes ownership of |old_layer| and deletes when the animation is done.
  47 // |tween_type| specifies the tween type of the cross fade animation.
  48 ASH_EXPORT base::TimeDelta CrossFadeAnimation(aura::Window* window,
  49                                               ui::Layer* old_layer,
  50                                               gfx::Tween::Type tween_type);
  51
  52 ASH_EXPORT bool AnimateOnChildWindowVisibilityChanged(aura::Window* window,
  53                                                       bool visible);
  54
  55 // Creates vector of animation sequences that lasts for |duration| and changes
  56 // brightness and grayscale to |target_value|. Caller takes ownership of
  57 // returned LayerAnimationSequence objects.
  58 ASH_EXPORT std::vector<ui::LayerAnimationSequence*>
  59 CreateBrightnessGrayscaleAnimationSequence(float target_value,
  60                                            base::TimeDelta duration);
  61
  62 // Applies scale related to the specified AshWindowScaleType.
  63 ASH_EXPORT void SetTransformForScaleAnimation(
  64     ui::Layer* layer,
  65     LayerScaleAnimationDirection type);
  66
  67 // Returns the approximate bounds to which |window| will be animated when it
  68 // is minimized. The bounds are approximate because the minimize animation
  69 // involves rotation.
  70 ASH_EXPORT gfx::Rect GetMinimizeAnimationTargetBoundsInScreen(
  71     aura::Window* window);
  72
  73 }  // namespace ash
  74
  75 #endif  // ASH_WM_WINDOW_ANIMATIONS_H_