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Unified Diff: cc/animation.h

Issue 12822004: Part 3 of cc/ directory shuffles: animation (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 9 months ago
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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_
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