Initial implementation of WorkletAnimation

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 071ff8f9a928767f6c2c6724e99e7db0e5c0c96a..c8dbda8ede7f4bafe35cc819255c93c8a4c9ecbc 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -48,6 +48,8 @@
 #include "core/animation/CompositorPendingAnimations.h"
 #include "core/animation/DocumentAnimations.h"
 #include "core/animation/DocumentTimeline.h"
+#include "core/animation/WorkletAnimationBase.h"
+#include "core/animation/WorkletAnimationController.h"
 #include "core/css/CSSFontSelector.h"
 #include "core/css/CSSStyleDeclaration.h"
 #include "core/css/CSSStyleSheet.h"
@@ -582,6 +584,7 @@ Document::Document(const DocumentInit& initializer,
           &Document::ElementDataCacheClearTimerFired),
       timeline_(DocumentTimeline::Create(this)),
       compositor_pending_animations_(new CompositorPendingAnimations(*this)),
+      worklet_animation_controller_(new WorkletAnimationController),
       template_document_host_(nullptr),
       did_associate_form_controls_timer_(
           TaskRunnerHelper::Get(TaskType::kUnspecedLoading, this),
@@ -6221,6 +6224,14 @@ void Document::ServiceScriptedAnimations(
       monotonic_animation_start_time);
 }
 
+void Document::RegisterWorkletAnimation(WorkletAnimationBase* animation) {
+  worklet_animation_controller_->RegisterAnimation(animation);
+}

[majidvp, 2017/06/06 16:04:27]

Can we just expose worklet_animation_controller_ and just call these methods
directly? e.g., Document().WorkletAnimationController().RegisterAnimation(...)

[smcgruer, 2017/06/07 18:23:25]

Done.

+
+void Document::DeregisterWorkletAnimation(WorkletAnimationBase* animation) {
+  worklet_animation_controller_->DeregisterAnimation(animation);
+}
+
 ScriptedIdleTaskController& Document::EnsureScriptedIdleTaskController() {
   if (!scripted_idle_task_controller_)
     scripted_idle_task_controller_ = ScriptedIdleTaskController::Create(this);
@@ -6785,6 +6796,7 @@ DEFINE_TRACE(Document) {
   visitor->Trace(svg_extensions_);
   visitor->Trace(timeline_);
   visitor->Trace(compositor_pending_animations_);
+  visitor->Trace(worklet_animation_controller_);
   visitor->Trace(context_document_);
   visitor->Trace(canvas_font_cache_);
   visitor->Trace(intersection_observer_controller_);