Thread ui opacity animations

ui/compositor/layer_animation_element_unittest.cc

 // 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/compositor/layer_animation_element.h"
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
@@ skipping 16 matching lines @@
   start_transform.Rotate(-30.0);
   target_transform.Rotate(30.0);
   base::TimeTicks start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 
   scoped_ptr<LayerAnimationElement> element(
       LayerAnimationElement::CreateTransformElement(target_transform, delta));
 
   for (int i = 0; i < 2; ++i) {
     start_time += delta;
-    element->set_start_time(start_time);
+    element->set_requested_start_time(start_time);
     delegate.SetTransformFromAnimation(start_transform);
+    element->Start(&delegate, 1);
     element->Progress(start_time, &delegate);
     CheckApproximatelyEqual(start_transform,
                             delegate.GetTransformForAnimation());
     element->Progress(start_time + delta/2, &delegate);
     CheckApproximatelyEqual(middle_transform,
                             delegate.GetTransformForAnimation());
+
+    base::TimeDelta element_duration;
+    EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
+    EXPECT_EQ(delta, element_duration);
+
     element->Progress(start_time + delta, &delegate);
     CheckApproximatelyEqual(target_transform,
                             delegate.GetTransformForAnimation());
   }
 
   LayerAnimationElement::TargetValue target_value(&delegate);
   element->GetTargetValue(&target_value);
   CheckApproximatelyEqual(target_transform, target_value.transform);
-
-  base::TimeDelta element_duration;
-  EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
-  EXPECT_EQ(delta, element_duration);
 }
 
 // Check that the bounds element progresses the delegate as expected and
 // that the element can be reused after it completes.
 TEST(LayerAnimationElementTest, BoundsElement) {
   TestLayerAnimationDelegate delegate;
   gfx::Rect start, target, middle;
   start = target = middle = gfx::Rect(0, 0, 50, 50);
   start.set_x(-90);
   target.set_x(90);
   base::TimeTicks start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 
   scoped_ptr<LayerAnimationElement> element(
       LayerAnimationElement::CreateBoundsElement(target, delta));
 
   for (int i = 0; i < 2; ++i) {
     start_time += delta;
-    element->set_start_time(start_time);
+    element->set_requested_start_time(start_time);
     delegate.SetBoundsFromAnimation(start);
+    element->Start(&delegate, 1);
     element->Progress(start_time, &delegate);
     CheckApproximatelyEqual(start, delegate.GetBoundsForAnimation());
     element->Progress(start_time + delta/2, &delegate);
     CheckApproximatelyEqual(middle, delegate.GetBoundsForAnimation());
+
+    base::TimeDelta element_duration;
+    EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
+    EXPECT_EQ(delta, element_duration);
+
     element->Progress(start_time + delta, &delegate);
     CheckApproximatelyEqual(target, delegate.GetBoundsForAnimation());
   }
 
   LayerAnimationElement::TargetValue target_value(&delegate);
   element->GetTargetValue(&target_value);
   CheckApproximatelyEqual(target, target_value.bounds);
-
-  base::TimeDelta element_duration;
-  EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
-  EXPECT_EQ(delta, element_duration);
 }
 
 // Check that the opacity element progresses the delegate as expected and
 // that the element can be reused after it completes.
 TEST(LayerAnimationElementTest, OpacityElement) {
   TestLayerAnimationDelegate delegate;
   float start = 0.0;
   float middle = 0.5;
   float target = 1.0;
   base::TimeTicks start_time;
+  base::TimeTicks effective_start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
   scoped_ptr<LayerAnimationElement> element(
       LayerAnimationElement::CreateOpacityElement(target, delta));
 
   for (int i = 0; i < 2; ++i) {
-    start_time += delta;
-    element->set_start_time(start_time);
+    start_time = effective_start_time + delta;
+    element->set_requested_start_time(start_time);
     delegate.SetOpacityFromAnimation(start);
+    element->Start(&delegate, 1);
     element->Progress(start_time, &delegate);
-    EXPECT_FLOAT_EQ(start, delegate.GetOpacityForAnimation());
-    element->Progress(start_time + delta/2, &delegate);
-    EXPECT_FLOAT_EQ(middle, delegate.GetOpacityForAnimation());
-    element->Progress(start_time + delta, &delegate);
+    EXPECT_FLOAT_EQ(start, element->last_progressed_fraction());
+    effective_start_time = start_time + delta;
+    element->set_effective_start_time(effective_start_time);
+    element->Progress(effective_start_time, &delegate);
+    EXPECT_FLOAT_EQ(start, element->last_progressed_fraction());
+    element->Progress(effective_start_time + delta/2, &delegate);
+    EXPECT_FLOAT_EQ(middle, element->last_progressed_fraction());
+
+    base::TimeDelta element_duration;
+    EXPECT_TRUE(element->IsFinished(effective_start_time + delta,
+                                    &element_duration));
+    EXPECT_EQ(2 * delta, element_duration);
+
+    element->Progress(effective_start_time + delta, &delegate);
+    EXPECT_FLOAT_EQ(target, element->last_progressed_fraction());
     EXPECT_FLOAT_EQ(target, delegate.GetOpacityForAnimation());
   }
 
   LayerAnimationElement::TargetValue target_value(&delegate);
   element->GetTargetValue(&target_value);
   EXPECT_FLOAT_EQ(target, target_value.opacity);
-
-  base::TimeDelta element_duration;
-  EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
-  EXPECT_EQ(delta, element_duration);
 }
 
 // Check that the visibility element progresses the delegate as expected and
 // that the element can be reused after it completes.
 TEST(LayerAnimationElementTest, VisibilityElement) {
   TestLayerAnimationDelegate delegate;
   bool start = true;
   bool target = false;
   base::TimeTicks start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
   scoped_ptr<LayerAnimationElement> element(
       LayerAnimationElement::CreateVisibilityElement(target, delta));
 
   for (int i = 0; i < 2; ++i) {
     start_time += delta;
-    element->set_start_time(start_time);
+    element->set_requested_start_time(start_time);
     delegate.SetVisibilityFromAnimation(start);
+    element->Start(&delegate, 1);
     element->Progress(start_time, &delegate);
     EXPECT_TRUE(delegate.GetVisibilityForAnimation());
     element->Progress(start_time + delta/2, &delegate);
     EXPECT_TRUE(delegate.GetVisibilityForAnimation());
+
+    base::TimeDelta element_duration;
+    EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
+    EXPECT_EQ(delta, element_duration);
+
     element->Progress(start_time + delta, &delegate);
     EXPECT_FALSE(delegate.GetVisibilityForAnimation());
   }
 
   LayerAnimationElement::TargetValue target_value(&delegate);
   element->GetTargetValue(&target_value);
   EXPECT_FALSE(target_value.visibility);
-
-  base::TimeDelta element_duration;
-  EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
-  EXPECT_EQ(delta, element_duration);
 }
 
 // Check that the Brightness element progresses the delegate as expected and
 // that the element can be reused after it completes.
 TEST(LayerAnimationElementTest, BrightnessElement) {
   TestLayerAnimationDelegate delegate;
   float start = 0.0;
   float middle = 0.5;
   float target = 1.0;
   base::TimeTicks start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
   scoped_ptr<LayerAnimationElement> element(
       LayerAnimationElement::CreateBrightnessElement(target, delta));
 
   for (int i = 0; i < 2; ++i) {
     start_time += delta;
-    element->set_start_time(start_time);
+    element->set_requested_start_time(start_time);
     delegate.SetBrightnessFromAnimation(start);
+    element->Start(&delegate, 1);
     element->Progress(start_time, &delegate);
     EXPECT_FLOAT_EQ(start, delegate.GetBrightnessForAnimation());
     element->Progress(start_time + delta/2, &delegate);
     EXPECT_FLOAT_EQ(middle, delegate.GetBrightnessForAnimation());
+
+    base::TimeDelta element_duration;
+    EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
+    EXPECT_EQ(delta, element_duration);
+
     element->Progress(start_time + delta, &delegate);
     EXPECT_FLOAT_EQ(target, delegate.GetBrightnessForAnimation());
   }
 
   LayerAnimationElement::TargetValue target_value(&delegate);
   element->GetTargetValue(&target_value);
   EXPECT_FLOAT_EQ(target, target_value.brightness);
-
-  base::TimeDelta element_duration;
-  EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
-  EXPECT_EQ(delta, element_duration);
 }
 
 // Check that the Grayscale element progresses the delegate as expected and
 // that the element can be reused after it completes.
 TEST(LayerAnimationElementTest, GrayscaleElement) {
   TestLayerAnimationDelegate delegate;
   float start = 0.0;
   float middle = 0.5;
   float target = 1.0;
   base::TimeTicks start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
   scoped_ptr<LayerAnimationElement> element(
       LayerAnimationElement::CreateGrayscaleElement(target, delta));
 
   for (int i = 0; i < 2; ++i) {
     start_time += delta;
-    element->set_start_time(start_time);
+    element->set_requested_start_time(start_time);
     delegate.SetGrayscaleFromAnimation(start);
+    element->Start(&delegate, 1);
     element->Progress(start_time, &delegate);
     EXPECT_FLOAT_EQ(start, delegate.GetGrayscaleForAnimation());
     element->Progress(start_time + delta/2, &delegate);
     EXPECT_FLOAT_EQ(middle, delegate.GetGrayscaleForAnimation());
+
+    base::TimeDelta element_duration;
+    EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
+    EXPECT_EQ(delta, element_duration);
+
     element->Progress(start_time + delta, &delegate);
     EXPECT_FLOAT_EQ(target, delegate.GetGrayscaleForAnimation());
   }
 
   LayerAnimationElement::TargetValue target_value(&delegate);
   element->GetTargetValue(&target_value);
   EXPECT_FLOAT_EQ(target, target_value.grayscale);
-
-  base::TimeDelta element_duration;
-  EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
-  EXPECT_EQ(delta, element_duration);
 }
 
 // Check that the pause element progresses the delegate as expected and
 // that the element can be reused after it completes.
 TEST(LayerAnimationElementTest, PauseElement) {
   LayerAnimationElement::AnimatableProperties properties;
   properties.insert(LayerAnimationElement::TRANSFORM);
   properties.insert(LayerAnimationElement::BOUNDS);
   properties.insert(LayerAnimationElement::OPACITY);
   properties.insert(LayerAnimationElement::BRIGHTNESS);
   properties.insert(LayerAnimationElement::GRAYSCALE);
   base::TimeTicks start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 
   scoped_ptr<LayerAnimationElement> element(
       LayerAnimationElement::CreatePauseElement(properties, delta));
 
   TestLayerAnimationDelegate delegate;
   TestLayerAnimationDelegate copy = delegate;
 
   start_time += delta;
-  element->set_start_time(start_time);
+  element->set_requested_start_time(start_time);
+  element->Start(&delegate, 1);
+
+  // Pause should last for |delta|.
+  base::TimeDelta element_duration;
+  EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
+  EXPECT_EQ(delta, element_duration);
+
   element->Progress(start_time + delta, &delegate);
 
   // Nothing should have changed.
   CheckApproximatelyEqual(delegate.GetBoundsForAnimation(),
                           copy.GetBoundsForAnimation());
   CheckApproximatelyEqual(delegate.GetTransformForAnimation(),
                           copy.GetTransformForAnimation());
   EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(),
                   copy.GetOpacityForAnimation());
   EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(),
                   copy.GetBrightnessForAnimation());
   EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(),
                   copy.GetGrayscaleForAnimation());
-
-  // Pause should last for |delta|.
-  base::TimeDelta element_duration;
-  EXPECT_TRUE(element->IsFinished(start_time + delta, &element_duration));
-  EXPECT_EQ(delta, element_duration);
 }
 
 } // namespace
 
 } // namespace ui