Move files from ui/views/corewm to ui/wm/core

ui/views/corewm/window_animations.cc

Index: ui/views/corewm/window_animations.cc
diff --git a/ui/views/corewm/window_animations.cc b/ui/views/corewm/window_animations.cc
deleted file mode 100644
index 42b26413129abdd166b339cd15de902c2393946e..0000000000000000000000000000000000000000
--- a/ui/views/corewm/window_animations.cc
+++ /dev/null
@@ -1,558 +0,0 @@
-// 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.
-
-#include "ui/views/corewm/window_animations.h"
-
-#include <math.h>
-
-#include <algorithm>
-#include <vector>
-
-#include "base/command_line.h"
-#include "base/compiler_specific.h"
-#include "base/logging.h"
-#include "base/message_loop/message_loop.h"
-#include "base/stl_util.h"
-#include "base/time/time.h"
-#include "ui/aura/client/animation_host.h"
-#include "ui/aura/client/aura_constants.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_delegate.h"
-#include "ui/aura/window_observer.h"
-#include "ui/aura/window_property.h"
-#include "ui/compositor/compositor_observer.h"
-#include "ui/compositor/layer.h"
-#include "ui/compositor/layer_animation_observer.h"
-#include "ui/compositor/layer_animation_sequence.h"
-#include "ui/compositor/layer_animator.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/gfx/animation/animation.h"
-#include "ui/gfx/interpolated_transform.h"
-#include "ui/gfx/rect_conversions.h"
-#include "ui/gfx/screen.h"
-#include "ui/gfx/vector2d.h"
-#include "ui/gfx/vector3d_f.h"
-#include "ui/views/corewm/corewm_switches.h"
-#include "ui/views/corewm/window_util.h"
-
-DECLARE_WINDOW_PROPERTY_TYPE(int)
-DECLARE_WINDOW_PROPERTY_TYPE(views::corewm::WindowVisibilityAnimationType)
-DECLARE_WINDOW_PROPERTY_TYPE(views::corewm::WindowVisibilityAnimationTransition)
-DECLARE_WINDOW_PROPERTY_TYPE(float)
-DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(VIEWS_EXPORT, bool)
-
-using aura::Window;
-using base::TimeDelta;
-using ui::Layer;
-
-namespace views {
-namespace corewm {
-namespace {
-const float kWindowAnimation_Vertical_TranslateY = 15.f;
-}  // namespace
-
-DEFINE_WINDOW_PROPERTY_KEY(int,
-                           kWindowVisibilityAnimationTypeKey,
-                           WINDOW_VISIBILITY_ANIMATION_TYPE_DEFAULT);
-DEFINE_WINDOW_PROPERTY_KEY(int, kWindowVisibilityAnimationDurationKey, 0);
-DEFINE_WINDOW_PROPERTY_KEY(WindowVisibilityAnimationTransition,
-                           kWindowVisibilityAnimationTransitionKey,
-                           ANIMATE_BOTH);
-DEFINE_WINDOW_PROPERTY_KEY(float,
-                           kWindowVisibilityAnimationVerticalPositionKey,
-                           kWindowAnimation_Vertical_TranslateY);
-
-namespace {
-
-const int kDefaultAnimationDurationForMenuMS = 150;
-
-const float kWindowAnimation_HideOpacity = 0.f;
-const float kWindowAnimation_ShowOpacity = 1.f;
-const float kWindowAnimation_TranslateFactor = 0.5f;
-const float kWindowAnimation_ScaleFactor = .95f;
-
-const int kWindowAnimation_Rotate_DurationMS = 180;
-const int kWindowAnimation_Rotate_OpacityDurationPercent = 90;
-const float kWindowAnimation_Rotate_TranslateY = -20.f;
-const float kWindowAnimation_Rotate_PerspectiveDepth = 500.f;
-const float kWindowAnimation_Rotate_DegreesX = 5.f;
-const float kWindowAnimation_Rotate_ScaleFactor = .99f;
-
-const float kWindowAnimation_Bounce_Scale = 1.02f;
-const int kWindowAnimation_Bounce_DurationMS = 180;
-const int kWindowAnimation_Bounce_GrowShrinkDurationPercent = 40;
-
-base::TimeDelta GetWindowVisibilityAnimationDuration(
-    const aura::Window& window) {
-  int duration =
-      window.GetProperty(kWindowVisibilityAnimationDurationKey);
-  if (duration == 0 && window.type() == ui::wm::WINDOW_TYPE_MENU) {
-    return base::TimeDelta::FromMilliseconds(
-        kDefaultAnimationDurationForMenuMS);
-  }
-  return TimeDelta::FromInternalValue(duration);
-}
-
-// Gets/sets the WindowVisibilityAnimationType associated with a window.
-// TODO(beng): redundant/fold into method on public api?
-int GetWindowVisibilityAnimationType(aura::Window* window) {
-  int type = window->GetProperty(kWindowVisibilityAnimationTypeKey);
-  if (type == WINDOW_VISIBILITY_ANIMATION_TYPE_DEFAULT) {
-    return (window->type() == ui::wm::WINDOW_TYPE_MENU ||
-            window->type() == ui::wm::WINDOW_TYPE_TOOLTIP)
-               ? WINDOW_VISIBILITY_ANIMATION_TYPE_FADE
-               : WINDOW_VISIBILITY_ANIMATION_TYPE_DROP;
-  }
-  return type;
-}
-
-// Observes a hide animation.
-// A window can be hidden for a variety of reasons. Sometimes, Hide() will be
-// called and life is simple. Sometimes, the window is actually bound to a
-// views::Widget and that Widget is closed, and life is a little more
-// complicated. When a Widget is closed the aura::Window* is actually not
-// destroyed immediately - it is actually just immediately hidden and then
-// destroyed when the stack unwinds. To handle this case, we start the hide
-// animation immediately when the window is hidden, then when the window is
-// subsequently destroyed this object acquires ownership of the window's layer,
-// so that it can continue animating it until the animation completes.
-// Regardless of whether or not the window is destroyed, this object deletes
-// itself when the animation completes.
-class HidingWindowAnimationObserver : public ui::ImplicitAnimationObserver,
-                                      public aura::WindowObserver {
- public:
-  explicit HidingWindowAnimationObserver(aura::Window* window)
-      : window_(window) {
-    window_->AddObserver(this);
-  }
-  virtual ~HidingWindowAnimationObserver() {
-    STLDeleteElements(&layers_);
-  }
-
- private:
-  // Overridden from ui::ImplicitAnimationObserver:
-  virtual void OnImplicitAnimationsCompleted() OVERRIDE {
-    // Window may have been destroyed by this point.
-    if (window_) {
-      aura::client::AnimationHost* animation_host =
-          aura::client::GetAnimationHost(window_);
-      if (animation_host)
-        animation_host->OnWindowHidingAnimationCompleted();
-      window_->RemoveObserver(this);
-    }
-    delete this;
-  }
-
-  // Overridden from aura::WindowObserver:
-  virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {
-    DCHECK_EQ(window, window_);
-    DCHECK(layers_.empty());
-    AcquireAllLayers(window_->layer());
-    window_->RemoveObserver(this);
-    window_ = NULL;
-  }
-
-  void AcquireAllLayers(ui::Layer* layer) {
-    if (layer->owner()) {
-      ui::Layer* released = layer->owner()->AcquireLayer();
-      DCHECK_EQ(layer, released);
-      layers_.push_back(released);
-    }
-    std::vector<Layer*>::const_iterator it = layer->children().begin();
-    for (; it != layer->children().end(); ++it)
-      AcquireAllLayers(*it);
-  }
-
-  aura::Window* window_;
-  std::vector<ui::Layer*> layers_;
-
-  DISALLOW_COPY_AND_ASSIGN(HidingWindowAnimationObserver);
-};
-
-void GetTransformRelativeToRoot(ui::Layer* layer, gfx::Transform* transform) {
-  const Layer* root = layer;
-  while (root->parent())
-    root = root->parent();
-  layer->GetTargetTransformRelativeTo(root, transform);
-}
-
-gfx::Rect GetLayerWorldBoundsAfterTransform(ui::Layer* layer,
-                                            const gfx::Transform& transform) {
-  gfx::Transform in_world = transform;
-  GetTransformRelativeToRoot(layer, &in_world);
-
-  gfx::RectF transformed = layer->bounds();
-  in_world.TransformRect(&transformed);
-
-  return gfx::ToEnclosingRect(transformed);
-}
-
-// Augment the host window so that the enclosing bounds of the full
-// animation will fit inside of it.
-void AugmentWindowSize(aura::Window* window,
-                       const gfx::Transform& end_transform) {
-  aura::client::AnimationHost* animation_host =
-      aura::client::GetAnimationHost(window);
-  if (!animation_host)
-    return;
-
-  const gfx::Rect& world_at_start = window->bounds();
-  gfx::Rect world_at_end =
-      GetLayerWorldBoundsAfterTransform(window->layer(), end_transform);
-  gfx::Rect union_in_window_space =
-      gfx::UnionRects(world_at_start, world_at_end);
-
-  // Calculate the top left and bottom right deltas to be added to the window
-  // bounds.
-  gfx::Vector2d top_left_delta(world_at_start.x() - union_in_window_space.x(),
-                               world_at_start.y() - union_in_window_space.y());
-
-  gfx::Vector2d bottom_right_delta(
-      union_in_window_space.x() + union_in_window_space.width() -
-          (world_at_start.x() + world_at_start.width()),
-      union_in_window_space.y() + union_in_window_space.height() -
-          (world_at_start.y() + world_at_start.height()));
-
-  DCHECK(top_left_delta.x() >= 0 && top_left_delta.y() >= 0 &&
-         bottom_right_delta.x() >= 0 && bottom_right_delta.y() >= 0);
-
-  animation_host->SetHostTransitionOffsets(top_left_delta, bottom_right_delta);
-}
-
-// Shows a window using an animation, animating its opacity from 0.f to 1.f,
-// its visibility to true, and its transform from |start_transform| to
-// |end_transform|.
-void AnimateShowWindowCommon(aura::Window* window,
-                             const gfx::Transform& start_transform,
-                             const gfx::Transform& end_transform) {
-  window->layer()->set_delegate(window);
-
-  AugmentWindowSize(window, end_transform);
-
-  window->layer()->SetOpacity(kWindowAnimation_HideOpacity);
-  window->layer()->SetTransform(start_transform);
-  window->layer()->SetVisible(true);
-
-  {
-    // Property sets within this scope will be implicitly animated.
-    ui::ScopedLayerAnimationSettings settings(window->layer()->GetAnimator());
-    base::TimeDelta duration = GetWindowVisibilityAnimationDuration(*window);
-    if (duration.ToInternalValue() > 0)
-      settings.SetTransitionDuration(duration);
-
-    window->layer()->SetTransform(end_transform);
-    window->layer()->SetOpacity(kWindowAnimation_ShowOpacity);
-  }
-}
-
-// Hides a window using an animation, animating its opacity from 1.f to 0.f,
-// its visibility to false, and its transform to |end_transform|.
-void AnimateHideWindowCommon(aura::Window* window,
-                             const gfx::Transform& end_transform) {
-  AugmentWindowSize(window, end_transform);
-  window->layer()->set_delegate(NULL);
-
-  // Property sets within this scope will be implicitly animated.
-  ui::ScopedLayerAnimationSettings settings(window->layer()->GetAnimator());
-  settings.AddObserver(new HidingWindowAnimationObserver(window));
-
-  base::TimeDelta duration = GetWindowVisibilityAnimationDuration(*window);
-  if (duration.ToInternalValue() > 0)
-    settings.SetTransitionDuration(duration);
-
-  window->layer()->SetOpacity(kWindowAnimation_HideOpacity);
-  window->layer()->SetTransform(end_transform);
-  window->layer()->SetVisible(false);
-}
-
-static gfx::Transform GetScaleForWindow(aura::Window* window) {
-  gfx::Rect bounds = window->bounds();
-  gfx::Transform scale = gfx::GetScaleTransform(
-      gfx::Point(kWindowAnimation_TranslateFactor * bounds.width(),
-                 kWindowAnimation_TranslateFactor * bounds.height()),
-      kWindowAnimation_ScaleFactor);
-  return scale;
-}
-
-// Show/Hide windows using a shrink animation.
-void AnimateShowWindow_Drop(aura::Window* window) {
-  AnimateShowWindowCommon(window, GetScaleForWindow(window), gfx::Transform());
-}
-
-void AnimateHideWindow_Drop(aura::Window* window) {
-  AnimateHideWindowCommon(window, GetScaleForWindow(window));
-}
-
-// Show/Hide windows using a vertical Glenimation.
-void AnimateShowWindow_Vertical(aura::Window* window) {
-  gfx::Transform transform;
-  transform.Translate(0, window->GetProperty(
-      kWindowVisibilityAnimationVerticalPositionKey));
-  AnimateShowWindowCommon(window, transform, gfx::Transform());
-}
-
-void AnimateHideWindow_Vertical(aura::Window* window) {
-  gfx::Transform transform;
-  transform.Translate(0, window->GetProperty(
-      kWindowVisibilityAnimationVerticalPositionKey));
-  AnimateHideWindowCommon(window, transform);
-}
-
-// Show/Hide windows using a fade.
-void AnimateShowWindow_Fade(aura::Window* window) {
-  AnimateShowWindowCommon(window, gfx::Transform(), gfx::Transform());
-}
-
-void AnimateHideWindow_Fade(aura::Window* window) {
-  AnimateHideWindowCommon(window, gfx::Transform());
-}
-
-ui::LayerAnimationElement* CreateGrowShrinkElement(
-    aura::Window* window, bool grow) {
-  scoped_ptr<ui::InterpolatedTransform> scale(new ui::InterpolatedScale(
-      gfx::Point3F(kWindowAnimation_Bounce_Scale,
-                   kWindowAnimation_Bounce_Scale,
-                   1),
-      gfx::Point3F(1, 1, 1)));
-  scoped_ptr<ui::InterpolatedTransform> scale_about_pivot(
-      new ui::InterpolatedTransformAboutPivot(
-          gfx::Point(window->bounds().width() * 0.5,
-                     window->bounds().height() * 0.5),
-          scale.release()));
-  scale_about_pivot->SetReversed(grow);
-  scoped_ptr<ui::LayerAnimationElement> transition(
-      ui::LayerAnimationElement::CreateInterpolatedTransformElement(
-          scale_about_pivot.release(),
-          base::TimeDelta::FromMilliseconds(
-              kWindowAnimation_Bounce_DurationMS *
-                  kWindowAnimation_Bounce_GrowShrinkDurationPercent / 100)));
-  transition->set_tween_type(grow ? gfx::Tween::EASE_OUT : gfx::Tween::EASE_IN);
-  return transition.release();
-}
-
-void AnimateBounce(aura::Window* window) {
-  ui::ScopedLayerAnimationSettings scoped_settings(
-      window->layer()->GetAnimator());
-  scoped_settings.SetPreemptionStrategy(
-      ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS);
-  window->layer()->set_delegate(window);
-  scoped_ptr<ui::LayerAnimationSequence> sequence(
-      new ui::LayerAnimationSequence);
-  sequence->AddElement(CreateGrowShrinkElement(window, true));
-  sequence->AddElement(ui::LayerAnimationElement::CreatePauseElement(
-      ui::LayerAnimationElement::BOUNDS,
-      base::TimeDelta::FromMilliseconds(
-        kWindowAnimation_Bounce_DurationMS *
-            (100 - 2 * kWindowAnimation_Bounce_GrowShrinkDurationPercent) /
-            100)));
-  sequence->AddElement(CreateGrowShrinkElement(window, false));
-  window->layer()->GetAnimator()->StartAnimation(sequence.release());
-}
-
-void AddLayerAnimationsForRotate(aura::Window* window, bool show) {
-  window->layer()->set_delegate(window);
-  if (show)
-    window->layer()->SetOpacity(kWindowAnimation_HideOpacity);
-
-  base::TimeDelta duration = base::TimeDelta::FromMilliseconds(
-      kWindowAnimation_Rotate_DurationMS);
-
-  if (!show) {
-    new HidingWindowAnimationObserver(window);
-    window->layer()->GetAnimator()->SchedulePauseForProperties(
-        duration * (100 - kWindowAnimation_Rotate_OpacityDurationPercent) / 100,
-        ui::LayerAnimationElement::OPACITY);
-  }
-  scoped_ptr<ui::LayerAnimationElement> opacity(
-      ui::LayerAnimationElement::CreateOpacityElement(
-          show ? kWindowAnimation_ShowOpacity : kWindowAnimation_HideOpacity,
-          duration * kWindowAnimation_Rotate_OpacityDurationPercent / 100));
-  opacity->set_tween_type(gfx::Tween::EASE_IN_OUT);
-  window->layer()->GetAnimator()->ScheduleAnimation(
-      new ui::LayerAnimationSequence(opacity.release()));
-
-  float xcenter = window->bounds().width() * 0.5;
-
-  gfx::Transform transform;
-  transform.Translate(xcenter, 0);
-  transform.ApplyPerspectiveDepth(kWindowAnimation_Rotate_PerspectiveDepth);
-  transform.Translate(-xcenter, 0);
-  scoped_ptr<ui::InterpolatedTransform> perspective(
-      new ui::InterpolatedConstantTransform(transform));
-
-  scoped_ptr<ui::InterpolatedTransform> scale(
-      new ui::InterpolatedScale(1, kWindowAnimation_Rotate_ScaleFactor));
-  scoped_ptr<ui::InterpolatedTransform> scale_about_pivot(
-      new ui::InterpolatedTransformAboutPivot(
-          gfx::Point(xcenter, kWindowAnimation_Rotate_TranslateY),
-          scale.release()));
-
-  scoped_ptr<ui::InterpolatedTransform> translation(
-      new ui::InterpolatedTranslation(gfx::Point(), gfx::Point(
-          0, kWindowAnimation_Rotate_TranslateY)));
-
-  scoped_ptr<ui::InterpolatedTransform> rotation(
-      new ui::InterpolatedAxisAngleRotation(
-          gfx::Vector3dF(1, 0, 0), 0, kWindowAnimation_Rotate_DegreesX));
-
-  scale_about_pivot->SetChild(perspective.release());
-  translation->SetChild(scale_about_pivot.release());
-  rotation->SetChild(translation.release());
-  rotation->SetReversed(show);
-
-  scoped_ptr<ui::LayerAnimationElement> transition(
-      ui::LayerAnimationElement::CreateInterpolatedTransformElement(
-          rotation.release(), duration));
-
-  window->layer()->GetAnimator()->ScheduleAnimation(
-      new ui::LayerAnimationSequence(transition.release()));
-}
-
-void AnimateShowWindow_Rotate(aura::Window* window) {
-  AddLayerAnimationsForRotate(window, true);
-}
-
-void AnimateHideWindow_Rotate(aura::Window* window) {
-  AddLayerAnimationsForRotate(window, false);
-}
-
-bool AnimateShowWindow(aura::Window* window) {
-  if (!HasWindowVisibilityAnimationTransition(window, ANIMATE_SHOW)) {
-    if (HasWindowVisibilityAnimationTransition(window, ANIMATE_HIDE)) {
-      // Since hide animation may have changed opacity and transform,
-      // reset them to show the window.
-      window->layer()->set_delegate(window);
-      window->layer()->SetOpacity(kWindowAnimation_ShowOpacity);
-      window->layer()->SetTransform(gfx::Transform());
-    }
-    return false;
-  }
-
-  switch (GetWindowVisibilityAnimationType(window)) {
-    case WINDOW_VISIBILITY_ANIMATION_TYPE_DROP:
-      AnimateShowWindow_Drop(window);
-      return true;
-    case WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL:
-      AnimateShowWindow_Vertical(window);
-      return true;
-    case WINDOW_VISIBILITY_ANIMATION_TYPE_FADE:
-      AnimateShowWindow_Fade(window);
-      return true;
-    case WINDOW_VISIBILITY_ANIMATION_TYPE_ROTATE:
-      AnimateShowWindow_Rotate(window);
-      return true;
-    default:
-      return false;
-  }
-}
-
-bool AnimateHideWindow(aura::Window* window) {
-  if (!HasWindowVisibilityAnimationTransition(window, ANIMATE_HIDE)) {
-    if (HasWindowVisibilityAnimationTransition(window, ANIMATE_SHOW)) {
-      // Since show animation may have changed opacity and transform,
-      // reset them, though the change should be hidden.
-      window->layer()->set_delegate(NULL);
-      window->layer()->SetOpacity(kWindowAnimation_HideOpacity);
-      window->layer()->SetTransform(gfx::Transform());
-    }
-    return false;
-  }
-
-  switch (GetWindowVisibilityAnimationType(window)) {
-    case WINDOW_VISIBILITY_ANIMATION_TYPE_DROP:
-      AnimateHideWindow_Drop(window);
-      return true;
-    case WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL:
-      AnimateHideWindow_Vertical(window);
-      return true;
-    case WINDOW_VISIBILITY_ANIMATION_TYPE_FADE:
-      AnimateHideWindow_Fade(window);
-      return true;
-    case WINDOW_VISIBILITY_ANIMATION_TYPE_ROTATE:
-      AnimateHideWindow_Rotate(window);
-      return true;
-    default:
-      return false;
-  }
-}
-
-}  // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// External interface
-
-void SetWindowVisibilityAnimationType(aura::Window* window, int type) {
-  window->SetProperty(kWindowVisibilityAnimationTypeKey, type);
-}
-
-int GetWindowVisibilityAnimationType(aura::Window* window) {
-  return window->GetProperty(kWindowVisibilityAnimationTypeKey);
-}
-
-void SetWindowVisibilityAnimationTransition(
-    aura::Window* window,
-    WindowVisibilityAnimationTransition transition) {
-  window->SetProperty(kWindowVisibilityAnimationTransitionKey, transition);
-}
-
-bool HasWindowVisibilityAnimationTransition(
-    aura::Window* window,
-    WindowVisibilityAnimationTransition transition) {
-  WindowVisibilityAnimationTransition prop = window->GetProperty(
-      kWindowVisibilityAnimationTransitionKey);
-  return (prop & transition) != 0;
-}
-
-void SetWindowVisibilityAnimationDuration(aura::Window* window,
-                                          const TimeDelta& duration) {
-  window->SetProperty(kWindowVisibilityAnimationDurationKey,
-                      static_cast<int>(duration.ToInternalValue()));
-}
-
-base::TimeDelta GetWindowVisibilityAnimationDuration(
-    const aura::Window& window) {
-  return base::TimeDelta::FromInternalValue(
-      window.GetProperty(kWindowVisibilityAnimationDurationKey));
-}
-
-void SetWindowVisibilityAnimationVerticalPosition(aura::Window* window,
-                                                  float position) {
-  window->SetProperty(kWindowVisibilityAnimationVerticalPositionKey, position);
-}
-
-ui::ImplicitAnimationObserver* CreateHidingWindowAnimationObserver(
-    aura::Window* window) {
-  return new HidingWindowAnimationObserver(window);
-}
-
-bool AnimateOnChildWindowVisibilityChanged(aura::Window* window, bool visible) {
-  if (WindowAnimationsDisabled(window))
-    return false;
-  if (visible)
-    return AnimateShowWindow(window);
-  // Don't start hiding the window again if it's already being hidden.
-  return window->layer()->GetTargetOpacity() != 0.0f &&
-      AnimateHideWindow(window);
-}
-
-bool AnimateWindow(aura::Window* window, WindowAnimationType type) {
-  switch (type) {
-  case WINDOW_ANIMATION_TYPE_BOUNCE:
-    AnimateBounce(window);
-    return true;
-  default:
-    NOTREACHED();
-    return false;
-  }
-}
-
-bool WindowAnimationsDisabled(aura::Window* window) {
-  return (!gfx::Animation::ShouldRenderRichAnimation() || (window &&
-          window->GetProperty(aura::client::kAnimationsDisabledKey)) ||
-      CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kWindowAnimationsDisabled));
-}
-
-}  // namespace corewm
-}  // namespace views