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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "base/functional/bind.h"
#include "base/test/scoped_feature_list.h"
#include "base/unguessable_token.h"
#include "build/build_config.h"
#include "content/browser/media/session/media_session_impl.h"
#include "content/browser/media/session/mock_media_session_player_observer.h"
#include "content/public/browser/media_session_service.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/content_browser_test.h"
#include "content/shell/browser/shell.h"
#include "media/base/media_content_type.h"
#include "media/base/media_switches.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/media_session/public/cpp/features.h"
#include "services/media_session/public/cpp/test/audio_focus_test_util.h"
#include "services/media_session/public/cpp/test/mock_media_session.h"
#include "services/media_session/public/mojom/audio_focus.mojom.h"
namespace content {
using media_session::test::TestAudioFocusObserver;
namespace {
const char kExpectedSourceName[] = "web";
} // namespace
class AudioFocusDelegateDefaultBrowserTest : public ContentBrowserTest {
protected:
void SetUpOnMainThread() override {
ContentBrowserTest::SetUpOnMainThread();
GetMediaSessionService().BindAudioFocusManager(
audio_focus_.BindNewPipeAndPassReceiver());
}
void SetUpCommandLine(base::CommandLine* command_line) override {
scoped_feature_list_.InitWithFeatures(
{media_session::features::kMediaSessionService,
media_session::features::kAudioFocusEnforcement},
{});
}
void CheckSessionSourceName() {
audio_focus_->GetFocusRequests(base::BindOnce(
[](std::vector<media_session::mojom::AudioFocusRequestStatePtr>
requests) {
for (auto& request : requests)
EXPECT_EQ(kExpectedSourceName, request->source_name.value());
}));
audio_focus_.FlushForTesting();
}
void Run(WebContents* start_contents,
WebContents* interrupt_contents,
bool use_separate_group_id) {
std::unique_ptr<MockMediaSessionPlayerObserver> player_observer(
new MockMediaSessionPlayerObserver(
nullptr, media::MediaContentType::kPersistent));
MediaSessionImpl* media_session = MediaSessionImpl::Get(start_contents);
EXPECT_TRUE(media_session);
MediaSessionImpl* other_media_session =
MediaSessionImpl::Get(interrupt_contents);
EXPECT_TRUE(other_media_session);
if (use_separate_group_id)
other_media_session->SetAudioFocusGroupId(
base::UnguessableToken::Create());
player_observer->StartNewPlayer();
{
std::unique_ptr<TestAudioFocusObserver> observer = CreateObserver();
media_session->AddPlayer(player_observer.get(), 0);
observer->WaitForGainedEvent();
}
{
media_session::test::MockMediaSessionMojoObserver observer(
*media_session);
observer.WaitForState(
media_session::mojom::MediaSessionInfo::SessionState::kActive);
}
{
media_session::test::MockMediaSessionMojoObserver observer(
*other_media_session);
observer.WaitForState(
media_session::mojom::MediaSessionInfo::SessionState::kInactive);
}
CheckSessionSourceName();
player_observer->StartNewPlayer();
{
std::unique_ptr<TestAudioFocusObserver> observer = CreateObserver();
other_media_session->AddPlayer(player_observer.get(), 1);
observer->WaitForGainedEvent();
}
{
media_session::test::MockMediaSessionMojoObserver observer(
*media_session);
observer.WaitForState(
use_separate_group_id ||
!base::FeatureList::IsEnabled(
media_session::features::kAudioFocusSessionGrouping)
? media_session::mojom::MediaSessionInfo::SessionState::kSuspended
: media_session::mojom::MediaSessionInfo::SessionState::kActive);
}
{
media_session::test::MockMediaSessionMojoObserver observer(
*other_media_session);
observer.WaitForState(
media_session::mojom::MediaSessionInfo::SessionState::kActive);
}
CheckSessionSourceName();
{
std::unique_ptr<TestAudioFocusObserver> observer = CreateObserver();
media_session->Stop(MediaSessionImpl::SuspendType::kUI);
other_media_session->Stop(MediaSessionImpl::SuspendType::kUI);
observer->WaitForLostEvent();
}
{
media_session::test::MockMediaSessionMojoObserver observer(
*media_session);
observer.WaitForState(
media_session::mojom::MediaSessionInfo::SessionState::kInactive);
}
{
media_session::test::MockMediaSessionMojoObserver observer(
*other_media_session);
observer.WaitForState(
media_session::mojom::MediaSessionInfo::SessionState::kInactive);
}
}
private:
std::unique_ptr<TestAudioFocusObserver> CreateObserver() {
std::unique_ptr<TestAudioFocusObserver> observer =
std::make_unique<TestAudioFocusObserver>();
audio_focus_->AddObserver(observer->BindNewPipeAndPassRemote());
audio_focus_.FlushForTesting();
return observer;
}
mojo::Remote<media_session::mojom::AudioFocusManager> audio_focus_;
base::test::ScopedFeatureList scoped_feature_list_;
};
// Two windows from the same BrowserContext.
IN_PROC_BROWSER_TEST_F(AudioFocusDelegateDefaultBrowserTest,
ActiveWebContentsPausesOthers) {
Run(shell()->web_contents(), CreateBrowser()->web_contents(), false);
}
// Two windows with different group ids.
IN_PROC_BROWSER_TEST_F(AudioFocusDelegateDefaultBrowserTest,
ActiveWebContentsPausesOtherWithGroupId) {
Run(shell()->web_contents(), CreateBrowser()->web_contents(), true);
}
// Regular BrowserContext is interrupted by OffTheRecord one.
IN_PROC_BROWSER_TEST_F(AudioFocusDelegateDefaultBrowserTest,
RegularBrowserInterruptsOffTheRecord) {
Run(shell()->web_contents(), CreateOffTheRecordBrowser()->web_contents(),
false);
}
// OffTheRecord BrowserContext is interrupted by regular one.
IN_PROC_BROWSER_TEST_F(AudioFocusDelegateDefaultBrowserTest,
OffTheRecordInterruptsRegular) {
Run(CreateOffTheRecordBrowser()->web_contents(), shell()->web_contents(),
false);
}
} // namespace content
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