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Unified Diff: ui/gfx/compositor/layer_animation_sequence.h

Issue 10365007: ui: Move compositor/ directory out of gfx/, up to ui/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fix DEPS Created 8 years, 8 months ago
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Index: ui/gfx/compositor/layer_animation_sequence.h
diff --git a/ui/gfx/compositor/layer_animation_sequence.h b/ui/gfx/compositor/layer_animation_sequence.h
deleted file mode 100644
index dc85721d9df11cdc97e50cdad9f0c6ebed0703b0..0000000000000000000000000000000000000000
--- a/ui/gfx/compositor/layer_animation_sequence.h
+++ /dev/null
@@ -1,124 +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.
-
-#ifndef UI_GFX_COMPOSITOR_LAYER_ANIMATION_SEQUENCE_H_
-#define UI_GFX_COMPOSITOR_LAYER_ANIMATION_SEQUENCE_H_
-#pragma once
-
-#include <vector>
-
-#include "base/gtest_prod_util.h"
-#include "base/memory/linked_ptr.h"
-#include "base/observer_list.h"
-#include "base/time.h"
-#include "ui/gfx/compositor/compositor_export.h"
-#include "ui/gfx/compositor/layer_animation_element.h"
-
-namespace ui {
-
-class LayerAnimationDelegate;
-class LayerAnimationObserver;
-
-// Contains a collection of layer animation elements to be played one after
-// another. Although it has a similar interface to LayerAnimationElement, it is
-// not a LayerAnimationElement (i.e., it is not permitted to have a sequence in
-// a sequence). Sequences own their elements, and sequences are themselves owned
-// by a LayerAnimator.
-//
-// TODO(vollick) Create a 'blended' sequence for transitioning between
-// sequences.
-class COMPOSITOR_EXPORT LayerAnimationSequence {
- public:
- LayerAnimationSequence();
- // Takes ownership of the given element and adds it to the sequence.
- explicit LayerAnimationSequence(LayerAnimationElement* element);
- virtual ~LayerAnimationSequence();
-
- // Updates the delegate to the appropriate value for |elapsed|, which is in
- // the range [0, Duration()]. If the animation is not aborted, it is
- // guaranteed that Animate will be called with elapsed = Duration().
- // Returns true if a redraw is required.
- bool Progress(base::TimeDelta elapsed, LayerAnimationDelegate* delegate);
-
- // Sets the target value to the value that would have been set had
- // the sequence completed. Does nothing if the sequence is cyclic.
- void GetTargetValue(LayerAnimationElement::TargetValue* target) const;
-
- // Aborts the given animation.
- void Abort();
-
- // All properties modified by the sequence.
- const LayerAnimationElement::AnimatableProperties& properties() const {
- return properties_;
- }
-
- // The total, finite duration of one cycle of the sequence.
- base::TimeDelta duration() const {
- return duration_;
- }
-
- // Adds an element to the sequence. The sequences takes ownership of this
- // element.
- void AddElement(LayerAnimationElement* element);
-
- // Sequences can be looped indefinitely.
- void set_is_cyclic(bool is_cyclic) { is_cyclic_ = is_cyclic; }
- bool is_cyclic() const { return is_cyclic_; }
-
- // Returns true if this sequence has at least one element affecting a
- // property in |other|.
- bool HasCommonProperty(
- const LayerAnimationElement::AnimatableProperties& other) const;
-
- // These functions are used for adding or removing observers from the observer
- // list. The observers are notified when animations end.
- void AddObserver(LayerAnimationObserver* observer);
- void RemoveObserver(LayerAnimationObserver* observer);
-
- // Called when the animator schedules this sequence.
- void OnScheduled();
-
- // Called when the animator is destroyed.
- void OnAnimatorDestroyed();
-
- private:
- typedef std::vector<linked_ptr<LayerAnimationElement> > Elements;
-
- FRIEND_TEST_ALL_PREFIXES(LayerAnimatorTest,
- ObserverReleasedBeforeAnimationSequenceEnds);
-
- // Notifies the observers that this sequence has been scheduled.
- void NotifyScheduled();
-
- // Notifies the observers that this sequence has ended.
- void NotifyEnded();
-
- // Notifies the observers that this sequence has been aborted.
- void NotifyAborted();
-
- // The sum of the durations of all the elements in the sequence.
- base::TimeDelta duration_;
-
- // The union of all the properties modified by all elements in the sequence.
- LayerAnimationElement::AnimatableProperties properties_;
-
- // The elements in the sequence.
- Elements elements_;
-
- // True if the sequence should be looped forever.
- bool is_cyclic_;
-
- // These are used when animating to efficiently find the next element.
- size_t last_element_;
- base::TimeDelta last_start_;
-
- // These parties are notified when layer animations end.
- ObserverList<LayerAnimationObserver> observers_;
-
- DISALLOW_COPY_AND_ASSIGN(LayerAnimationSequence);
-};
-
-} // namespace ui
-
-#endif // UI_GFX_COMPOSITOR_LAYER_ANIMATION_SEQUENCE_H_
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