| /* |
| * Copyright 2015 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "base/memory/weak_ptr.h" |
| #include "cobalt/base/polymorphic_downcast.h" |
| #include "cobalt/dom/document.h" |
| #include "cobalt/dom/document_timeline.h" |
| #include "cobalt/dom/dom_settings.h" |
| #include "cobalt/dom/window.h" |
| |
| namespace cobalt { |
| namespace dom { |
| |
| namespace { |
| |
| scoped_refptr<base::Clock> CreateOffsetClock(Document* document, |
| double origin_time) { |
| return document->navigation_start_clock() ? |
| new base::OffsetClock( |
| document->navigation_start_clock(), |
| base::TimeDelta::FromMillisecondsD(origin_time)) : |
| NULL; |
| } |
| } // namespace |
| |
| DocumentTimeline::DocumentTimeline(Document* document, double origin_time) |
| : AnimationTimeline(CreateOffsetClock(document, origin_time)) { |
| document_ = base::AsWeakPtr<Document>(document); |
| } |
| |
| namespace { |
| dom::Document* DocumentFromEnvironmentSettings( |
| script::EnvironmentSettings* settings) { |
| dom::DOMSettings* dom_settings = |
| base::polymorphic_downcast<dom::DOMSettings*>(settings); |
| return dom_settings->window()->document(); |
| } |
| } // namespace |
| |
| DocumentTimeline::DocumentTimeline(script::EnvironmentSettings* settings, |
| double origin_time) |
| : AnimationTimeline(CreateOffsetClock( |
| DocumentFromEnvironmentSettings(settings), origin_time)) { |
| document_ = |
| base::AsWeakPtr<Document>(DocumentFromEnvironmentSettings(settings)); |
| } |
| |
| DocumentTimeline::~DocumentTimeline() {} |
| |
| } // namespace dom |
| } // namespace cobalt |