Reland r107720 - Enable the new layer animation framework.

ui/gfx/compositor/layer.cc

Index: ui/gfx/compositor/layer.cc
diff --git a/ui/gfx/compositor/layer.cc b/ui/gfx/compositor/layer.cc
index a075137abeb62211f70f3731a316d8815bd33adb..e9a9ed578dfdfde1fab4b94b0af6d50f9d396cec 100644
--- a/ui/gfx/compositor/layer.cc
+++ b/ui/gfx/compositor/layer.cc
@@ -18,7 +18,7 @@
 #include "ui/gfx/compositor/compositor_cc.h"
 #endif
 #include "ui/gfx/canvas_skia.h"
-#include "ui/gfx/compositor/layer_animation_manager.h"
+#include "ui/gfx/compositor/layer_animator.h"
 #include "ui/gfx/interpolated_transform.h"
 #include "ui/gfx/point3.h"
 
@@ -135,49 +135,46 @@ bool Layer::Contains(const Layer* other) const {
   return false;
 }
 
-void Layer::SetAnimation(Animation* animation) {
-  if (animation) {
-    if (!animator_.get())
-      animator_.reset(new LayerAnimationManager(this));
-    animation->Start();
-    animator_->SetAnimation(animation);
-  } else {
-    animator_.reset();
-  }
+void Layer::SetAnimator(LayerAnimator* animator) {
+  if (animator)
+    animator->SetDelegate(this);
+  animator_.reset(animator);
+}
+
+LayerAnimator* Layer::GetAnimator() {
+  if (!animator_.get())
+    SetAnimator(LayerAnimator::CreateDefaultAnimator());
+  return animator_.get();
 }
 
 void Layer::SetTransform(const ui::Transform& transform) {
-  StopAnimatingIfNecessary(LayerAnimationManager::TRANSFORM);
-  if (animator_.get() && animator_->IsRunning()) {
-    animator_->AnimateTransform(transform);
-    return;
-  }
-  SetTransformImmediately(transform);
+  GetAnimator()->SetTransform(transform);
+}
+
+Transform Layer::GetTargetTransform() const {
+  if (animator_.get() && animator_->is_animating())
+    return animator_->GetTargetTransform();
+  return transform_;
 }
 
 void Layer::SetBounds(const gfx::Rect& bounds) {
-  StopAnimatingIfNecessary(LayerAnimationManager::LOCATION);
-  if (animator_.get() && animator_->IsRunning() &&
-      bounds.size() == bounds_.size()) {
-    animator_->AnimateToPoint(bounds.origin());
-    return;
-  }
-  SetBoundsImmediately(bounds);
+  GetAnimator()->SetBounds(bounds);
 }
 
 gfx::Rect Layer::GetTargetBounds() const {
-  if (animator_.get() && animator_->IsRunning())
-    return gfx::Rect(animator_->GetTargetPoint(), bounds_.size());
+  if (animator_.get() && animator_->is_animating())
+    return animator_->GetTargetBounds();
   return bounds_;
 }
 
 void Layer::SetOpacity(float opacity) {
-  StopAnimatingIfNecessary(LayerAnimationManager::OPACITY);
-  if (animator_.get() && animator_->IsRunning()) {
-    animator_->AnimateOpacity(opacity);
-    return;
-  }
-  SetOpacityImmediately(opacity);
+  GetAnimator()->SetOpacity(opacity);
+}
+
+float Layer::GetTargetOpacity() const {
+  if (animator_.get() && animator_->is_animating())
+    return animator_->GetTargetOpacity();
+  return opacity_;
 }
 
 void Layer::SetVisible(bool visible) {
@@ -596,29 +593,6 @@ bool Layer::GetTransformRelativeTo(const Layer* ancestor,
   return p == ancestor;
 }
 
-void Layer::StopAnimatingIfNecessary(
-    LayerAnimationManager::AnimationProperty property) {
-  if (!animator_.get() || !animator_->IsRunning() ||
-      !animator_->got_initial_tick()) {
-    return;
-  }
-
-  if (property != LayerAnimationManager::LOCATION &&
-      animator_->IsAnimating(LayerAnimationManager::LOCATION)) {
-    SetBoundsImmediately(
-        gfx::Rect(animator_->GetTargetPoint(), bounds_.size()));
-  }
-  if (property != LayerAnimationManager::OPACITY &&
-      animator_->IsAnimating(LayerAnimationManager::OPACITY)) {
-    SetOpacityImmediately(animator_->GetTargetOpacity());
-  }
-  if (property != LayerAnimationManager::TRANSFORM &&
-      animator_->IsAnimating(LayerAnimationManager::TRANSFORM)) {
-    SetTransformImmediately(animator_->GetTargetTransform());
-  }
-  animator_.reset();
-}
-
 void Layer::SetBoundsImmediately(const gfx::Rect& bounds) {
   bounds_ = bounds;
 
@@ -648,18 +622,39 @@ void Layer::SetOpacityImmediately(float opacity) {
 #endif
 }
 
-void Layer::SetBoundsFromAnimator(const gfx::Rect& bounds) {
+void Layer::SetBoundsFromAnimation(const gfx::Rect& bounds) {
   SetBoundsImmediately(bounds);
 }
 
-void Layer::SetTransformFromAnimator(const Transform& transform) {
+void Layer::SetTransformFromAnimation(const Transform& transform) {
   SetTransformImmediately(transform);
 }
 
-void Layer::SetOpacityFromAnimator(float opacity) {
+void Layer::SetOpacityFromAnimation(float opacity) {
   SetOpacityImmediately(opacity);
 }
 
+void Layer::ScheduleDrawForAnimation() {
+  ScheduleDraw();
+}
+
+const gfx::Rect& Layer::GetBoundsForAnimation() const {
+  return bounds();
+}
+
+const Transform& Layer::GetTransformForAnimation() const {
+  return transform();
+}
+
+float Layer::GetOpacityForAnimation() const {
+  return opacity();
+}
+
+void Layer::OnLayerAnimationEnded(LayerAnimationSequence* sequence) {
+  if (delegate_)
+    delegate_->OnLayerAnimationEnded(sequence);
+}
+
 #if defined(USE_WEBKIT_COMPOSITOR)
 void Layer::CreateWebLayer() {
   web_layer_ = WebKit::WebContentLayer::create(this, this);