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// Copyright 2015 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 "components/scheduler/renderer/web_frame_scheduler_impl.h"
#include "components/scheduler/base/real_time_domain.h"
#include "components/scheduler/base/virtual_time_domain.h"
#include "components/scheduler/child/web_task_runner_impl.h"
#include "components/scheduler/renderer/auto_advancing_virtual_time_domain.h"
#include "components/scheduler/renderer/renderer_scheduler_impl.h"
#include "components/scheduler/renderer/web_view_scheduler_impl.h"
#include "third_party/WebKit/public/platform/WebString.h"
namespace scheduler {
WebFrameSchedulerImpl::WebFrameSchedulerImpl(
RendererSchedulerImpl* renderer_scheduler,
WebViewSchedulerImpl* parent_web_view_scheduler)
: renderer_scheduler_(renderer_scheduler),
parent_web_view_scheduler_(parent_web_view_scheduler),
frame_visible_(true),
page_visible_(true) {}
WebFrameSchedulerImpl::~WebFrameSchedulerImpl() {
if (loading_task_queue_.get())
loading_task_queue_->UnregisterTaskQueue();
if (timer_task_queue_.get())
timer_task_queue_->UnregisterTaskQueue();
if (parent_web_view_scheduler_)
parent_web_view_scheduler_->Unregister(this);
}
void WebFrameSchedulerImpl::DetachFromWebViewScheduler() {
parent_web_view_scheduler_ = nullptr;
}
void WebFrameSchedulerImpl::setFrameVisible(bool frame_visible) {
frame_visible_ = frame_visible;
// TODO(alexclarke): Do something with this flag.
}
blink::WebTaskRunner* WebFrameSchedulerImpl::loadingTaskRunner() {
DCHECK(parent_web_view_scheduler_);
if (!loading_web_task_runner_) {
loading_task_queue_ =
renderer_scheduler_->NewLoadingTaskRunner("frame_loading_tq");
if (parent_web_view_scheduler_->virtual_time_domain()) {
loading_task_queue_->SetTimeDomain(
parent_web_view_scheduler_->virtual_time_domain());
}
loading_web_task_runner_.reset(new WebTaskRunnerImpl(loading_task_queue_));
}
return loading_web_task_runner_.get();
}
blink::WebTaskRunner* WebFrameSchedulerImpl::timerTaskRunner() {
DCHECK(parent_web_view_scheduler_);
if (!timer_web_task_runner_) {
timer_task_queue_ =
renderer_scheduler_->NewTimerTaskRunner("frame_timer_tq");
if (parent_web_view_scheduler_->virtual_time_domain()) {
timer_task_queue_->SetTimeDomain(
parent_web_view_scheduler_->virtual_time_domain());
} else if (!page_visible_) {
renderer_scheduler_->throttling_helper()->IncreaseThrottleRefCount(
timer_task_queue_.get());
}
timer_web_task_runner_.reset(new WebTaskRunnerImpl(timer_task_queue_));
}
return timer_web_task_runner_.get();
}
void WebFrameSchedulerImpl::setFrameOrigin(
const blink::WebSecurityOrigin& origin) {
origin_ = origin;
// TODO(skyostil): Associate the task queues with this origin.
}
void WebFrameSchedulerImpl::setPageVisible(bool page_visible) {
DCHECK(parent_web_view_scheduler_);
if (page_visible_ == page_visible)
return;
page_visible_ = page_visible;
if (!timer_web_task_runner_ ||
parent_web_view_scheduler_->virtual_time_domain()) {
return;
}
if (page_visible_) {
renderer_scheduler_->throttling_helper()->DecreaseThrottleRefCount(
timer_task_queue_.get());
} else {
renderer_scheduler_->throttling_helper()->IncreaseThrottleRefCount(
timer_task_queue_.get());
}
}
void WebFrameSchedulerImpl::OnVirtualTimeDomainChanged() {
DCHECK(parent_web_view_scheduler_);
DCHECK(parent_web_view_scheduler_->virtual_time_domain());
if (timer_task_queue_) {
renderer_scheduler_->throttling_helper()->UnregisterTaskQueue(
timer_task_queue_.get());
timer_task_queue_->SetTimeDomain(
parent_web_view_scheduler_->virtual_time_domain());
}
if (loading_task_queue_) {
loading_task_queue_->SetTimeDomain(
parent_web_view_scheduler_->virtual_time_domain());
}
}
} // namespace scheduler
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