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// Copyright 2014 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 "chromecast/renderer/cast_render_process_observer.h"
#include "chromecast/renderer/media/capabilities_message_filter.h"
#include "chromecast/renderer/media/cma_message_filter_proxy.h"
#include "content/public/renderer/render_thread.h"
namespace chromecast {
namespace shell {
CastRenderProcessObserver::CastRenderProcessObserver(
const std::vector<scoped_refptr<IPC::MessageFilter>>&
platform_message_filters)
: platform_message_filters_(platform_message_filters) {
content::RenderThread* thread = content::RenderThread::Get();
thread->AddObserver(this);
CreateCustomFilters();
}
CastRenderProcessObserver::~CastRenderProcessObserver() {
// CastRenderProcessObserver outlives content::RenderThread.
// No need to explicitly call RemoveObserver in teardown.
}
void CastRenderProcessObserver::CreateCustomFilters() {
content::RenderThread* thread = content::RenderThread::Get();
#if !defined(OS_ANDROID)
cma_message_filter_proxy_ =
new media::CmaMessageFilterProxy(thread->GetIOMessageLoopProxy());
thread->AddFilter(cma_message_filter_proxy_.get());
#endif // !defined(OS_ANDROID)
capabilities_message_filter_ = new CapabilitiesMessageFilter;
thread->AddFilter(capabilities_message_filter_.get());
for (const auto& filter : platform_message_filters_) {
thread->AddFilter(filter.get());
}
}
void CastRenderProcessObserver::OnRenderProcessShutdown() {
content::RenderThread* thread = content::RenderThread::Get();
#if !defined(OS_ANDROID)
if (cma_message_filter_proxy_.get()) {
thread->RemoveFilter(cma_message_filter_proxy_.get());
cma_message_filter_proxy_ = nullptr;
}
#endif // !defined(OS_ANDROID)
if (capabilities_message_filter_.get()) {
thread->RemoveFilter(capabilities_message_filter_.get());
capabilities_message_filter_ = nullptr;
}
for (auto& filter : platform_message_filters_) {
if (filter.get()) {
thread->RemoveFilter(filter.get());
filter = nullptr;
}
}
platform_message_filters_.clear();
}
} // namespace shell
} // namespace chromecast
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