| /* |
| * Copyright (C) 2016 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "InspectorAnimationAgent.h" |
| |
| #include "AnimationEffect.h" |
| #include "AnimationEffectPhase.h" |
| #include "CSSAnimation.h" |
| #include "CSSTransition.h" |
| #include "DeclarativeAnimation.h" |
| #include "Element.h" |
| #include "Event.h" |
| #include "InspectorDOMAgent.h" |
| #include "InstrumentingAgents.h" |
| #include "KeyframeEffect.h" |
| #include "WebAnimation.h" |
| #include <JavaScriptCore/IdentifiersFactory.h> |
| #include <JavaScriptCore/InspectorEnvironment.h> |
| #include <wtf/HashMap.h> |
| #include <wtf/Seconds.h> |
| #include <wtf/Stopwatch.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebCore { |
| |
| using namespace Inspector; |
| |
| InspectorAnimationAgent::InspectorAnimationAgent(PageAgentContext& context) |
| : InspectorAgentBase("Animation"_s, context) |
| , m_frontendDispatcher(makeUnique<Inspector::AnimationFrontendDispatcher>(context.frontendRouter)) |
| , m_backendDispatcher(Inspector::AnimationBackendDispatcher::create(context.backendDispatcher, this)) |
| { |
| } |
| |
| InspectorAnimationAgent::~InspectorAnimationAgent() = default; |
| |
| void InspectorAnimationAgent::didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) |
| { |
| ASSERT(m_instrumentingAgents.persistentInspectorAnimationAgent() != this); |
| m_instrumentingAgents.setPersistentInspectorAnimationAgent(this); |
| } |
| |
| void InspectorAnimationAgent::willDestroyFrontendAndBackend(DisconnectReason) |
| { |
| ErrorString ignored; |
| stopTracking(ignored); |
| |
| ASSERT(m_instrumentingAgents.persistentInspectorAnimationAgent() == this); |
| m_instrumentingAgents.setPersistentInspectorAnimationAgent(nullptr); |
| } |
| |
| void InspectorAnimationAgent::startTracking(ErrorString& errorString) |
| { |
| if (m_instrumentingAgents.trackingInspectorAnimationAgent() == this) { |
| errorString = "Animation domain already tracking"_s; |
| return; |
| } |
| |
| m_instrumentingAgents.setTrackingInspectorAnimationAgent(this); |
| |
| ASSERT(m_trackedDeclarativeAnimationData.isEmpty()); |
| |
| m_frontendDispatcher->trackingStart(m_environment.executionStopwatch()->elapsedTime().seconds()); |
| } |
| |
| void InspectorAnimationAgent::stopTracking(ErrorString&) |
| { |
| if (m_instrumentingAgents.trackingInspectorAnimationAgent() != this) |
| return; |
| |
| m_instrumentingAgents.setTrackingInspectorAnimationAgent(nullptr); |
| |
| m_trackedDeclarativeAnimationData.clear(); |
| |
| m_frontendDispatcher->trackingComplete(m_environment.executionStopwatch()->elapsedTime().seconds()); |
| } |
| |
| static bool isDelayed(ComputedEffectTiming& computedTiming) |
| { |
| if (!computedTiming.localTime) |
| return false; |
| return computedTiming.localTime.value() < (computedTiming.endTime - computedTiming.activeDuration); |
| } |
| |
| void InspectorAnimationAgent::willApplyKeyframeEffect(Element& target, KeyframeEffect& keyframeEffect, ComputedEffectTiming computedTiming) |
| { |
| auto* animation = keyframeEffect.animation(); |
| if (!is<DeclarativeAnimation>(animation)) |
| return; |
| |
| auto ensureResult = m_trackedDeclarativeAnimationData.ensure(downcast<DeclarativeAnimation>(animation), [&] () -> TrackedDeclarativeAnimationData { |
| return { makeString("animation:"_s, IdentifiersFactory::createIdentifier()), computedTiming }; |
| }); |
| auto& trackingData = ensureResult.iterator->value; |
| |
| Optional<Inspector::Protocol::Animation::AnimationState> animationAnimationState; |
| |
| if ((ensureResult.isNewEntry || !isDelayed(trackingData.lastComputedTiming)) && isDelayed(computedTiming)) |
| animationAnimationState = Inspector::Protocol::Animation::AnimationState::Delayed; |
| else if (ensureResult.isNewEntry || trackingData.lastComputedTiming.phase != computedTiming.phase) { |
| switch (computedTiming.phase) { |
| case AnimationEffectPhase::Before: |
| animationAnimationState = Inspector::Protocol::Animation::AnimationState::Ready; |
| break; |
| |
| case AnimationEffectPhase::Active: |
| animationAnimationState = Inspector::Protocol::Animation::AnimationState::Active; |
| break; |
| |
| case AnimationEffectPhase::After: |
| animationAnimationState = Inspector::Protocol::Animation::AnimationState::Done; |
| break; |
| |
| case AnimationEffectPhase::Idle: |
| animationAnimationState = Inspector::Protocol::Animation::AnimationState::Canceled; |
| break; |
| } |
| } else if (trackingData.lastComputedTiming.currentIteration != computedTiming.currentIteration) { |
| // Iterations are represented by sequential "active" state events. |
| animationAnimationState = Inspector::Protocol::Animation::AnimationState::Active; |
| } |
| |
| trackingData.lastComputedTiming = computedTiming; |
| |
| if (!animationAnimationState) |
| return; |
| |
| auto event = Inspector::Protocol::Animation::TrackingUpdate::create() |
| .setTrackingAnimationId(trackingData.trackingAnimationId) |
| .setAnimationState(animationAnimationState.value()) |
| .release(); |
| |
| if (ensureResult.isNewEntry) { |
| if (auto* domAgent = m_instrumentingAgents.inspectorDOMAgent()) { |
| if (auto nodeId = domAgent->pushNodeToFrontend(&target)) |
| event->setNodeId(nodeId); |
| } |
| |
| if (is<CSSAnimation>(animation)) |
| event->setAnimationName(downcast<CSSAnimation>(*animation).animationName()); |
| else if (is<CSSTransition>(animation)) |
| event->setTransitionProperty(downcast<CSSTransition>(*animation).transitionProperty()); |
| else |
| ASSERT_NOT_REACHED(); |
| } |
| |
| m_frontendDispatcher->trackingUpdate(m_environment.executionStopwatch()->elapsedTime().seconds(), WTFMove(event)); |
| } |
| |
| void InspectorAnimationAgent::didChangeWebAnimationEffect(WebAnimation& animation) |
| { |
| if (is<DeclarativeAnimation>(animation)) |
| stopTrackingDeclarativeAnimation(downcast<DeclarativeAnimation>(animation)); |
| } |
| |
| void InspectorAnimationAgent::willDestroyWebAnimation(WebAnimation& animation) |
| { |
| if (is<DeclarativeAnimation>(animation)) |
| stopTrackingDeclarativeAnimation(downcast<DeclarativeAnimation>(animation)); |
| } |
| |
| void InspectorAnimationAgent::stopTrackingDeclarativeAnimation(DeclarativeAnimation& animation) |
| { |
| auto it = m_trackedDeclarativeAnimationData.find(&animation); |
| if (it == m_trackedDeclarativeAnimationData.end()) |
| return; |
| |
| if (it->value.lastComputedTiming.phase != AnimationEffectPhase::After && it->value.lastComputedTiming.phase != AnimationEffectPhase::Idle) { |
| auto event = Inspector::Protocol::Animation::TrackingUpdate::create() |
| .setTrackingAnimationId(it->value.trackingAnimationId) |
| .setAnimationState(Inspector::Protocol::Animation::AnimationState::Canceled) |
| .release(); |
| m_frontendDispatcher->trackingUpdate(m_environment.executionStopwatch()->elapsedTime().seconds(), WTFMove(event)); |
| } |
| |
| m_trackedDeclarativeAnimationData.remove(it); |
| } |
| |
| } // namespace WebCore |