blob: 0793c4bcde7576d96f0fa3b488e6b7aa15f82085 [file] [log] [blame]
// 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