[cc] Rename all cc/ filenames to Chromium style

cc/CCLayerAnimationController.cpp

-// 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.
-
-#include "config.h"
-
-#include "CCLayerAnimationController.h"
-
-#include "CCActiveAnimation.h"
-#include "CCKeyframedAnimationCurve.h"
-#include <public/WebTransformationMatrix.h>
-#include <wtf/CurrentTime.h>
-#include <wtf/HashMap.h>
-
-using WebKit::WebTransformationMatrix;
-
-namespace cc {
-
-CCLayerAnimationController::CCLayerAnimationController(CCLayerAnimationControllerClient* client)
-    : m_forceSync(false)
-    , m_client(client)
-{
-}
-
-CCLayerAnimationController::~CCLayerAnimationController()
-{
-}
-
-scoped_ptr<CCLayerAnimationController> CCLayerAnimationController::create(CCLayerAnimationControllerClient* client)
-{
-    return make_scoped_ptr(new CCLayerAnimationController(client));
-}
-
-void CCLayerAnimationController::pauseAnimation(int animationId, double timeOffset)
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->id() == animationId)
-            m_activeAnimations[i]->setRunState(CCActiveAnimation::Paused, timeOffset + m_activeAnimations[i]->startTime());
-    }
-}
-
-void CCLayerAnimationController::removeAnimation(int animationId)
-{
-    for (size_t i = 0; i < m_activeAnimations.size();) {
-        if (m_activeAnimations[i]->id() == animationId)
-            m_activeAnimations.remove(i);
-        else
-            i++;
-    }
-}
-
-void CCLayerAnimationController::removeAnimation(int animationId, CCActiveAnimation::TargetProperty targetProperty)
-{
-    for (size_t i = 0; i < m_activeAnimations.size();) {
-        if (m_activeAnimations[i]->id() == animationId && m_activeAnimations[i]->targetProperty() == targetProperty)
-            m_activeAnimations.remove(i);
-        else
-            i++;
-    }
-}
-
-// According to render layer backing, these are for testing only.
-void CCLayerAnimationController::suspendAnimations(double monotonicTime)
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (!m_activeAnimations[i]->isFinished())
-            m_activeAnimations[i]->setRunState(CCActiveAnimation::Paused, monotonicTime);
-    }
-}
-
-// Looking at GraphicsLayerCA, this appears to be the analog to suspendAnimations, which is for testing.
-void CCLayerAnimationController::resumeAnimations(double monotonicTime)
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->runState() == CCActiveAnimation::Paused)
-            m_activeAnimations[i]->setRunState(CCActiveAnimation::Running, monotonicTime);
-    }
-}
-
-// Ensures that the list of active animations on the main thread and the impl thread
-// are kept in sync.
-void CCLayerAnimationController::pushAnimationUpdatesTo(CCLayerAnimationController* controllerImpl)
-{
-    if (m_forceSync) {
-        replaceImplThreadAnimations(controllerImpl);
-        m_forceSync = false;
-    } else {
-        purgeAnimationsMarkedForDeletion();
-        pushNewAnimationsToImplThread(controllerImpl);
-
-        // Remove finished impl side animations only after pushing,
-        // and only after the animations are deleted on the main thread
-        // this insures we will never push an animation twice.
-        removeAnimationsCompletedOnMainThread(controllerImpl);
-
-        pushPropertiesToImplThread(controllerImpl);
-    }
-}
-
-void CCLayerAnimationController::animate(double monotonicTime, CCAnimationEventsVector* events)
-{
-    startAnimationsWaitingForNextTick(monotonicTime, events);
-    startAnimationsWaitingForStartTime(monotonicTime, events);
-    startAnimationsWaitingForTargetAvailability(monotonicTime, events);
-    resolveConflicts(monotonicTime);
-    tickAnimations(monotonicTime);
-    markAnimationsForDeletion(monotonicTime, events);
-    startAnimationsWaitingForTargetAvailability(monotonicTime, events);
-}
-
-void CCLayerAnimationController::addAnimation(scoped_ptr<CCActiveAnimation> animation)
-{
-    m_activeAnimations.append(animation.Pass());
-}
-
-CCActiveAnimation* CCLayerAnimationController::getActiveAnimation(int groupId, CCActiveAnimation::TargetProperty targetProperty) const
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i)
-        if (m_activeAnimations[i]->group() == groupId && m_activeAnimations[i]->targetProperty() == targetProperty)
-            return m_activeAnimations[i];
-    return 0;
-}
-
-CCActiveAnimation* CCLayerAnimationController::getActiveAnimation(CCActiveAnimation::TargetProperty targetProperty) const
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        size_t index = m_activeAnimations.size() - i - 1;
-        if (m_activeAnimations[index]->targetProperty() == targetProperty)
-            return m_activeAnimations[index];
-    }
-    return 0;
-}
-
-bool CCLayerAnimationController::hasActiveAnimation() const
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (!m_activeAnimations[i]->isFinished())
-            return true;
-    }
-    return false;
-}
-
-bool CCLayerAnimationController::isAnimatingProperty(CCActiveAnimation::TargetProperty targetProperty) const
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->runState() != CCActiveAnimation::Finished && m_activeAnimations[i]->runState() != CCActiveAnimation::Aborted && m_activeAnimations[i]->targetProperty() == targetProperty)
-            return true;
-    }
-    return false;
-}
-
-void CCLayerAnimationController::notifyAnimationStarted(const CCAnimationEvent& event)
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->group() == event.groupId && m_activeAnimations[i]->targetProperty() == event.targetProperty && m_activeAnimations[i]->needsSynchronizedStartTime()) {
-            m_activeAnimations[i]->setNeedsSynchronizedStartTime(false);
-            m_activeAnimations[i]->setStartTime(event.monotonicTime);
-            return;
-        }
-    }
-}
-
-void CCLayerAnimationController::setClient(CCLayerAnimationControllerClient* client)
-{
-    m_client = client;
-}
-
-void CCLayerAnimationController::pushNewAnimationsToImplThread(CCLayerAnimationController* controllerImpl) const
-{
-    // Any new animations owned by the main thread's controller are cloned and adde to the impl thread's controller.
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        // If the animation is already running on the impl thread, there is no need to copy it over.
-        if (controllerImpl->getActiveAnimation(m_activeAnimations[i]->group(), m_activeAnimations[i]->targetProperty()))
-            continue;
-
-        // If the animation is not running on the impl thread, it does not necessarily mean that it needs
-        // to be copied over and started; it may have already finished. In this case, the impl thread animation
-        // will have already notified that it has started and the main thread animation will no longer need
-        // a synchronized start time.
-        if (!m_activeAnimations[i]->needsSynchronizedStartTime())
-            continue;
-
-        // The new animation should be set to run as soon as possible.
-        CCActiveAnimation::RunState initialRunState = CCActiveAnimation::WaitingForTargetAvailability;
-        double startTime = 0;
-        scoped_ptr<CCActiveAnimation> toAdd(m_activeAnimations[i]->cloneAndInitialize(CCActiveAnimation::ControllingInstance, initialRunState, startTime));
-        ASSERT(!toAdd->needsSynchronizedStartTime());
-        controllerImpl->addAnimation(toAdd.Pass());
-    }
-}
-
-void CCLayerAnimationController::removeAnimationsCompletedOnMainThread(CCLayerAnimationController* controllerImpl) const
-{
-    // Delete all impl thread animations for which there is no corresponding main thread animation.
-    // Each iteration, controller->m_activeAnimations.size() is decremented or i is incremented
-    // guaranteeing progress towards loop termination.
-    for (size_t i = 0; i < controllerImpl->m_activeAnimations.size();) {
-        CCActiveAnimation* current = getActiveAnimation(controllerImpl->m_activeAnimations[i]->group(), controllerImpl->m_activeAnimations[i]->targetProperty());
-        if (!current)
-            controllerImpl->m_activeAnimations.remove(i);
-        else
-            i++;
-    }
-}
-
-void CCLayerAnimationController::pushPropertiesToImplThread(CCLayerAnimationController* controllerImpl) const
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        CCActiveAnimation* currentImpl = controllerImpl->getActiveAnimation(m_activeAnimations[i]->group(), m_activeAnimations[i]->targetProperty());
-        if (currentImpl)
-            m_activeAnimations[i]->pushPropertiesTo(currentImpl);
-    }
-}
-
-void CCLayerAnimationController::startAnimationsWaitingForNextTick(double monotonicTime, CCAnimationEventsVector* events)
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->runState() == CCActiveAnimation::WaitingForNextTick) {
-            m_activeAnimations[i]->setRunState(CCActiveAnimation::Running, monotonicTime);
-            if (!m_activeAnimations[i]->hasSetStartTime())
-                m_activeAnimations[i]->setStartTime(monotonicTime);
-            if (events)
-                events->push_back(CCAnimationEvent(CCAnimationEvent::Started, m_client->id(), m_activeAnimations[i]->group(), m_activeAnimations[i]->targetProperty(), monotonicTime));
-        }
-    }
-}
-
-void CCLayerAnimationController::startAnimationsWaitingForStartTime(double monotonicTime, CCAnimationEventsVector* events)
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->runState() == CCActiveAnimation::WaitingForStartTime && m_activeAnimations[i]->startTime() <= monotonicTime) {
-            m_activeAnimations[i]->setRunState(CCActiveAnimation::Running, monotonicTime);
-            if (events)
-                events->push_back(CCAnimationEvent(CCAnimationEvent::Started, m_client->id(), m_activeAnimations[i]->group(), m_activeAnimations[i]->targetProperty(), monotonicTime));
-        }
-    }
-}
-
-void CCLayerAnimationController::startAnimationsWaitingForTargetAvailability(double monotonicTime, CCAnimationEventsVector* events)
-{
-    // First collect running properties.
-    TargetProperties blockedProperties;
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->runState() == CCActiveAnimation::Running || m_activeAnimations[i]->runState() == CCActiveAnimation::Finished)
-            blockedProperties.insert(m_activeAnimations[i]->targetProperty());
-    }
-
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->runState() == CCActiveAnimation::WaitingForTargetAvailability) {
-            // Collect all properties for animations with the same group id (they should all also be in the list of animations).
-            TargetProperties enqueuedProperties;
-            enqueuedProperties.insert(m_activeAnimations[i]->targetProperty());
-            for (size_t j = i + 1; j < m_activeAnimations.size(); ++j) {
-                if (m_activeAnimations[i]->group() == m_activeAnimations[j]->group())
-                    enqueuedProperties.insert(m_activeAnimations[j]->targetProperty());
-            }
-
-            // Check to see if intersection of the list of properties affected by the group and the list of currently
-            // blocked properties is null. In any case, the group's target properties need to be added to the list
-            // of blocked properties.
-            bool nullIntersection = true;
-            for (TargetProperties::iterator pIter = enqueuedProperties.begin(); pIter != enqueuedProperties.end(); ++pIter) {
-                if (!blockedProperties.insert(*pIter).second)
-                    nullIntersection = false;
-            }
-
-            // If the intersection is null, then we are free to start the animations in the group.
-            if (nullIntersection) {
-                m_activeAnimations[i]->setRunState(CCActiveAnimation::Running, monotonicTime);
-                if (!m_activeAnimations[i]->hasSetStartTime())
-                    m_activeAnimations[i]->setStartTime(monotonicTime);
-                if (events)
-                    events->push_back(CCAnimationEvent(CCAnimationEvent::Started, m_client->id(), m_activeAnimations[i]->group(), m_activeAnimations[i]->targetProperty(), monotonicTime));
-                for (size_t j = i + 1; j < m_activeAnimations.size(); ++j) {
-                    if (m_activeAnimations[i]->group() == m_activeAnimations[j]->group()) {
-                        m_activeAnimations[j]->setRunState(CCActiveAnimation::Running, monotonicTime);
-                        if (!m_activeAnimations[j]->hasSetStartTime())
-                            m_activeAnimations[j]->setStartTime(monotonicTime);
-                    }
-                }
-            }
-        }
-    }
-}
-
-void CCLayerAnimationController::resolveConflicts(double monotonicTime)
-{
-    // Find any animations that are animating the same property and resolve the
-    // confict. We could eventually blend, but for now we'll just abort the
-    // previous animation (where 'previous' means: (1) has a prior start time or
-    // (2) has an equal start time, but was added to the queue earlier, i.e.,
-    // has a lower index in m_activeAnimations).
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->runState() == CCActiveAnimation::Running) {
-            for (size_t j = i + 1; j < m_activeAnimations.size(); ++j) {
-                if (m_activeAnimations[j]->runState() == CCActiveAnimation::Running && m_activeAnimations[i]->targetProperty() == m_activeAnimations[j]->targetProperty()) {
-                    if (m_activeAnimations[i]->startTime() > m_activeAnimations[j]->startTime())
-                        m_activeAnimations[j]->setRunState(CCActiveAnimation::Aborted, monotonicTime);
-                    else
-                        m_activeAnimations[i]->setRunState(CCActiveAnimation::Aborted, monotonicTime);
-                }
-            }
-        }
-    }
-}
-
-void CCLayerAnimationController::markAnimationsForDeletion(double monotonicTime, CCAnimationEventsVector* events)
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); i++) {
-        int groupId = m_activeAnimations[i]->group();
-        bool allAnimsWithSameIdAreFinished = false;
-        // If an animation is finished, and not already marked for deletion,
-        // Find out if all other animations in the same group are also finished.
-        if (m_activeAnimations[i]->isFinished()) {
-            allAnimsWithSameIdAreFinished = true;
-            for (size_t j = 0; j < m_activeAnimations.size(); ++j) {
-                if (groupId == m_activeAnimations[j]->group() && !m_activeAnimations[j]->isFinished()) {
-                    allAnimsWithSameIdAreFinished = false;
-                    break;
-                }
-            }
-        }
-        if (allAnimsWithSameIdAreFinished) {
-            // We now need to remove all animations with the same group id as groupId
-            // (and send along animation finished notifications, if necessary).
-            for (size_t j = i; j < m_activeAnimations.size(); j++) {
-                if (groupId == m_activeAnimations[j]->group()) {
-                    if (events)
-                        events->push_back(CCAnimationEvent(CCAnimationEvent::Finished, m_client->id(), m_activeAnimations[j]->group(), m_activeAnimations[j]->targetProperty(), monotonicTime));
-                    m_activeAnimations[j]->setRunState(CCActiveAnimation::WaitingForDeletion, monotonicTime);
-                }
-            }
-        }
-    }
-}
-
-void CCLayerAnimationController::purgeAnimationsMarkedForDeletion()
-{
-    for (size_t i = 0; i < m_activeAnimations.size();) {
-        if (m_activeAnimations[i]->runState() == CCActiveAnimation::WaitingForDeletion)
-            m_activeAnimations.remove(i);
-        else
-            i++;
-    }
-}
-
-void CCLayerAnimationController::replaceImplThreadAnimations(CCLayerAnimationController* controllerImpl) const
-{
-    controllerImpl->m_activeAnimations.clear();
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        scoped_ptr<CCActiveAnimation> toAdd;
-        if (m_activeAnimations[i]->needsSynchronizedStartTime()) {
-            // We haven't received an animation started notification yet, so it
-            // is important that we add it in a 'waiting' and not 'running' state.
-            CCActiveAnimation::RunState initialRunState = CCActiveAnimation::WaitingForTargetAvailability;
-            double startTime = 0;
-            toAdd = m_activeAnimations[i]->cloneAndInitialize(CCActiveAnimation::ControllingInstance, initialRunState, startTime).Pass();
-        } else
-            toAdd = m_activeAnimations[i]->clone(CCActiveAnimation::ControllingInstance).Pass();
-
-        controllerImpl->addAnimation(toAdd.Pass());
-    }
-}
-
-void CCLayerAnimationController::tickAnimations(double monotonicTime)
-{
-    for (size_t i = 0; i < m_activeAnimations.size(); ++i) {
-        if (m_activeAnimations[i]->runState() == CCActiveAnimation::Running || m_activeAnimations[i]->runState() == CCActiveAnimation::Paused) {
-            double trimmed = m_activeAnimations[i]->trimTimeToCurrentIteration(monotonicTime);
-
-            // Animation assumes its initial value until it gets the synchronized start time
-            // from the impl thread and can start ticking.
-            if (m_activeAnimations[i]->needsSynchronizedStartTime())
-                trimmed = 0;
-
-            switch (m_activeAnimations[i]->targetProperty()) {
-
-            case CCActiveAnimation::Transform: {
-                const CCTransformAnimationCurve* transformAnimationCurve = m_activeAnimations[i]->curve()->toTransformAnimationCurve();
-                const WebTransformationMatrix matrix = transformAnimationCurve->getValue(trimmed);
-                if (m_activeAnimations[i]->isFinishedAt(monotonicTime))
-                    m_activeAnimations[i]->setRunState(CCActiveAnimation::Finished, monotonicTime);
-
-                m_client->setTransformFromAnimation(matrix);
-                break;
-            }
-
-            case CCActiveAnimation::Opacity: {
-                const CCFloatAnimationCurve* floatAnimationCurve = m_activeAnimations[i]->curve()->toFloatAnimationCurve();
-                const float opacity = floatAnimationCurve->getValue(trimmed);
-                if (m_activeAnimations[i]->isFinishedAt(monotonicTime))
-                    m_activeAnimations[i]->setRunState(CCActiveAnimation::Finished, monotonicTime);
-
-                m_client->setOpacityFromAnimation(opacity);
-                break;
-            }
-
-            // Do nothing for sentinel value.
-            case CCActiveAnimation::TargetPropertyEnumSize:
-                ASSERT_NOT_REACHED();
-
-            }
-        }
-    }
-}
-
-}  // namespace cc