Index: cc/animation.h |
diff --git a/cc/animation.h b/cc/animation.h |
deleted file mode 100644 |
index 73682f1feab6c22744038a4746a79b4546e42648..0000000000000000000000000000000000000000 |
--- a/cc/animation.h |
+++ /dev/null |
@@ -1,190 +0,0 @@ |
-// Copyright 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 CC_ANIMATION_H_ |
-#define CC_ANIMATION_H_ |
- |
-#include "base/basictypes.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "cc/base/cc_export.h" |
- |
-namespace cc { |
- |
-class AnimationCurve; |
- |
-// An Animation, contains all the state required to play an AnimationCurve. |
-// Specifically, the affected property, the run state (paused, finished, etc.), |
-// loop count, last pause time, and the total time spent paused. |
-class CC_EXPORT Animation { |
- public: |
- // Animations begin in one of the 'waiting' states. Animations waiting for the |
- // next tick will start the next time the controller animates. Animations |
- // waiting for target availibility will run as soon as their target property |
- // is free (and all the animations animating with it are also able to run). |
- // Animations waiting for their start time to come have be scheduled to run at |
- // a particular point in time. When this time arrives, the controller will |
- // move the animations into the Starting state, and then into the Running |
- // state. Running animations may toggle between Running and Paused, and may be |
- // stopped by moving into either the Aborted or Finished states. A Finished |
- // animation was allowed to run to completion, but an Aborted animation was |
- // not. |
- enum RunState { |
- WaitingForNextTick = 0, |
- WaitingForTargetAvailability, |
- WaitingForStartTime, |
- WaitingForDeletion, |
- Starting, |
- Running, |
- Paused, |
- Finished, |
- Aborted, |
- // This sentinel must be last. |
- RunStateEnumSize |
- }; |
- |
- enum TargetProperty { |
- Transform = 0, |
- Opacity, |
- // This sentinel must be last. |
- TargetPropertyEnumSize |
- }; |
- |
- static scoped_ptr<Animation> Create(scoped_ptr<AnimationCurve> curve, |
- int animation_id, |
- int group_id, |
- TargetProperty target_property); |
- |
- virtual ~Animation(); |
- |
- int id() const { return id_; } |
- int group() const { return group_; } |
- TargetProperty target_property() const { return target_property_; } |
- |
- RunState run_state() const { return run_state_; } |
- void SetRunState(RunState run_state, double monotonic_time); |
- |
- // This is the number of times that the animation will play. If this |
- // value is zero the animation will not play. If it is negative, then |
- // the animation will loop indefinitely. |
- int iterations() const { return iterations_; } |
- void set_iterations(int n) { iterations_ = n; } |
- |
- double start_time() const { return start_time_; } |
- void set_start_time(double monotonic_time) { start_time_ = monotonic_time; } |
- bool has_set_start_time() const { return !!start_time_; } |
- |
- double time_offset() const { return time_offset_; } |
- void set_time_offset(double monotonic_time) { time_offset_ = monotonic_time; } |
- |
- void Suspend(double monotonic_time); |
- void Resume(double monotonic_time); |
- |
- // If alternatesDirection is true, on odd numbered iterations we reverse the |
- // curve. |
- bool alternates_direction() const { return alternates_direction_; } |
- void set_alternates_direction(bool alternates) { |
- alternates_direction_ = alternates; |
- } |
- |
- bool IsFinishedAt(double monotonic_time) const; |
- bool is_finished() const { |
- return run_state_ == Finished || |
- run_state_ == Aborted || |
- run_state_ == WaitingForDeletion; |
- } |
- |
- AnimationCurve* curve() { return curve_.get(); } |
- const AnimationCurve* curve() const { return curve_.get(); } |
- |
- // If this is true, even if the animation is running, it will not be tickable |
- // until it is given a start time. This is true for animations running on the |
- // main thread. |
- bool needs_synchronized_start_time() const { |
- return needs_synchronized_start_time_; |
- } |
- void set_needs_synchronized_start_time(bool needs_synchronized_start_time) { |
- needs_synchronized_start_time_ = needs_synchronized_start_time; |
- } |
- |
- // Takes the given absolute time, and using the start time and the number |
- // of iterations, returns the relative time in the current iteration. |
- double TrimTimeToCurrentIteration(double monotonic_time) const; |
- |
- enum InstanceType { |
- ControllingInstance = 0, |
- NonControllingInstance |
- }; |
- |
- scoped_ptr<Animation> Clone(InstanceType instance_type) const; |
- scoped_ptr<Animation> CloneAndInitialize(InstanceType instance_type, |
- RunState initial_run_state, |
- double start_time) const; |
- bool is_controlling_instance() const { return is_controlling_instance_; } |
- |
- void PushPropertiesTo(Animation* other) const; |
- |
- void set_is_impl_only(bool is_impl_only) { is_impl_only_ = is_impl_only; } |
- bool is_impl_only() const { return is_impl_only_; } |
- |
- private: |
- Animation(scoped_ptr<AnimationCurve> curve, |
- int animation_id, |
- int group_id, |
- TargetProperty target_property); |
- |
- scoped_ptr<AnimationCurve> curve_; |
- |
- // IDs are not necessarily unique. |
- int id_; |
- |
- // Animations that must be run together are called 'grouped' and have the same |
- // group id. Grouped animations are guaranteed to start at the same time and |
- // no other animations may animate any of the group's target properties until |
- // all animations in the group have finished animating. Note: an active |
- // animation's group id and target property uniquely identify that animation. |
- int group_; |
- |
- TargetProperty target_property_; |
- RunState run_state_; |
- int iterations_; |
- double start_time_; |
- bool alternates_direction_; |
- |
- // The time offset effectively pushes the start of the animation back in time. |
- // This is used for resuming paused animations -- an animation is added with a |
- // non-zero time offset, causing the animation to skip ahead to the desired |
- // point in time. |
- double time_offset_; |
- |
- bool needs_synchronized_start_time_; |
- |
- // When an animation is suspended, it behaves as if it is paused and it also |
- // ignores all run state changes until it is resumed. This is used for testing |
- // purposes. |
- bool suspended_; |
- |
- // These are used in trimTimeToCurrentIteration to account for time |
- // spent while paused. This is not included in AnimationState since it |
- // there is absolutely no need for clients of this controller to know |
- // about these values. |
- double pause_time_; |
- double total_paused_time_; |
- |
- // Animations lead dual lives. An active animation will be conceptually owned |
- // by two controllers, one on the impl thread and one on the main. In reality, |
- // there will be two separate Animation instances for the same animation. They |
- // will have the same group id and the same target property (these two values |
- // uniquely identify an animation). The instance on the impl thread is the |
- // instance that ultimately controls the values of the animating layer and so |
- // we will refer to it as the 'controlling instance'. |
- bool is_controlling_instance_; |
- |
- bool is_impl_only_; |
- |
- DISALLOW_COPY_AND_ASSIGN(Animation); |
-}; |
- |
-} // namespace cc |
- |
-#endif // CC_ANIMATION_H_ |