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// Copyright 2018 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/test/scoped_feature_list.h"
#include "base/types/expected.h"
#include "base/unguessable_token.h"
#include "chrome/browser/apps/link_capturing/link_capturing_feature_test_support.h"
#include "chrome/browser/extensions/extension_browsertest.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/web_applications/web_app_browsertest_base.h"
#include "chrome/browser/web_applications/web_app_tab_helper.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "services/media_session/public/cpp/features.h"
#include "ui/base/page_transition_types.h"
#include "url/gurl.h"
#include "url/third_party/mozilla/url_parse.h"
#include "url/url_canon.h"
namespace web_app {
namespace {
const char kAudioFocusTestPageURL[] =
"/extensions/audio_focus_web_app/main.html";
} // namespace
// WebAppAudioFocusBrowserTest test that PWAs have separate audio
// focus from the rest of the browser.
class WebAppAudioFocusBrowserTest : public WebAppBrowserTestBase {
public:
WebAppAudioFocusBrowserTest() = default;
~WebAppAudioFocusBrowserTest() override = default;
void SetUp() override {
std::vector<base::test::FeatureRefAndParams> features;
#if !BUILDFLAG(IS_CHROMEOS)
features = apps::test::GetFeaturesToEnableLinkCapturingUX(
apps::test::LinkCapturingFeatureVersion::kV2DefaultOn);
#endif
features.emplace_back(media_session::features::kMediaSessionService,
base::FieldTrialParams());
features.emplace_back(media_session::features::kAudioFocusEnforcement,
base::FieldTrialParams());
features.emplace_back(media_session::features::kAudioFocusSessionGrouping,
base::FieldTrialParams());
scoped_feature_list_.InitWithFeaturesAndParameters(
features, /*disabled_features=*/{});
WebAppBrowserTestBase::SetUp();
}
bool IsPaused(content::WebContents* web_contents) {
return content::EvalJs(web_contents, "isPaused()").ExtractBool();
}
bool WaitForPause(content::WebContents* web_contents) {
return content::EvalJs(web_contents, "waitForPause()").ExtractBool();
}
bool StartPlaying(content::WebContents* web_contents) {
return content::EvalJs(web_contents, "startPlaying()").ExtractBool();
}
content::WebContents* AddTestPageTabAtIndex(int index) {
EXPECT_TRUE(AddTabAtIndex(
index, embedded_test_server()->GetURL(kAudioFocusTestPageURL),
ui::PAGE_TRANSITION_TYPED));
content::WebContents* tab =
browser()->tab_strip_model()->GetActiveWebContents();
EXPECT_TRUE(content::WaitForLoadStop(tab));
return tab;
}
const base::UnguessableToken& GetAudioFocusGroupId(
content::WebContents* web_contents) {
WebAppTabHelper* helper = WebAppTabHelper::FromWebContents(web_contents);
return helper->GetAudioFocusGroupIdForTesting();
}
// Simulates a page calling window.open on an URL and waits for the
// navigation.
content::WebContents* OpenWindow(content::WebContents* contents,
bool aux,
const GURL& url) {
content::WebContentsAddedObserver tab_added_observer;
EXPECT_TRUE(
content::ExecJs(contents, "window.open('" + url.spec() + "', '', '" +
(aux ? "opener" : "noopener") + "')"));
content::WebContents* new_contents = tab_added_observer.GetWebContents();
EXPECT_TRUE(new_contents);
WaitForLoadStop(new_contents);
EXPECT_EQ(url, contents->GetController().GetLastCommittedEntry()->GetURL());
EXPECT_EQ(
content::PAGE_TYPE_NORMAL,
new_contents->GetController().GetLastCommittedEntry()->GetPageType());
if (aux) {
EXPECT_EQ(contents->GetPrimaryMainFrame()->GetSiteInstance(),
new_contents->GetPrimaryMainFrame()->GetSiteInstance());
}
return new_contents;
}
private:
base::test::ScopedFeatureList scoped_feature_list_;
};
IN_PROC_BROWSER_TEST_F(WebAppAudioFocusBrowserTest, AppHasDifferentAudioFocus) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL app_url = embedded_test_server()->GetURL(kAudioFocusTestPageURL);
webapps::AppId app_id = InstallPWA(app_url);
// Launch browser with media page.
content::WebContents* tab1 = AddTestPageTabAtIndex(0);
// Start the test page playing.
EXPECT_TRUE(StartPlaying(tab1));
// Launch a second tab in the browser.
content::WebContents* tab2 = AddTestPageTabAtIndex(0);
// Start the test page playing and check that both tabs now have focus.
EXPECT_TRUE(StartPlaying(tab2));
EXPECT_FALSE(IsPaused(tab1));
// Check that the two tabs have no group id.
EXPECT_EQ(base::UnguessableToken::Null(), GetAudioFocusGroupId(tab1));
EXPECT_EQ(base::UnguessableToken::Null(), GetAudioFocusGroupId(tab2));
// Launch the PWA.
Browser* app_browser = LaunchWebAppBrowserAndWait(app_id);
content::WebContents* web_contents =
app_browser->tab_strip_model()->GetActiveWebContents();
EXPECT_TRUE(content::WaitForLoadStop(web_contents));
// Start the PWA playing and check that it has a group id.
EXPECT_TRUE(StartPlaying(web_contents));
const base::UnguessableToken& group_id = GetAudioFocusGroupId(web_contents);
EXPECT_NE(base::UnguessableToken::Null(), group_id);
// Check that the hosted app took audio focus from the browser tabs.
EXPECT_TRUE(WaitForPause(tab1));
EXPECT_TRUE(WaitForPause(tab2));
// TODO(https://crbug.com/376922620): Enable capturing v2 ChromeOS support.
#if !BUILDFLAG(IS_CHROMEOS)
// Open captured window, which should share the same group id.
{
content::WebContents* new_contents =
OpenWindow(web_contents, /*aux=*/false, app_url);
EXPECT_EQ(group_id, GetAudioFocusGroupId(new_contents));
}
// Open an auxiliary window, which should also open in an app window and share
// the group id.
{
content::WebContents* new_contents =
OpenWindow(web_contents, /*aux=*/true, app_url);
EXPECT_EQ(group_id, GetAudioFocusGroupId(new_contents));
}
ASSERT_EQ(apps::test::DisableLinkCapturingByUser(profile(), app_id),
base::ok());
#endif
// Without capturing, new window will open in the browser so it should have no
// group id.
{
content::WebContents* new_contents =
OpenWindow(web_contents, /*aux=*/false, app_url);
EXPECT_EQ(base::UnguessableToken::Null(),
GetAudioFocusGroupId(new_contents));
}
// Navigate inside the PWA and make sure we keep the same group id.
{
GURL::Replacements replacements;
replacements.SetQueryStr("t=1");
GURL new_url =
web_contents->GetLastCommittedURL().ReplaceComponents(replacements);
ASSERT_TRUE(NavigateInRenderer(web_contents, new_url));
EXPECT_EQ(group_id, GetAudioFocusGroupId(web_contents));
}
// Launch a second window for the PWA. It should have the same group id.
{
Browser* second_app_browser = LaunchWebAppBrowserAndWait(app_id);
content::WebContents* new_contents =
second_app_browser->tab_strip_model()->GetActiveWebContents();
EXPECT_TRUE(content::WaitForLoadStop(new_contents));
EXPECT_EQ(group_id, GetAudioFocusGroupId(new_contents));
}
// Navigate away and check that the group id is still the same because we are
// part of the same window.
// TODO(crbug.com/40180004): Understand why this returns false.
ASSERT_FALSE(
NavigateInRenderer(web_contents, GURL("https://www.example.com")));
EXPECT_EQ(group_id, GetAudioFocusGroupId(web_contents));
}
IN_PROC_BROWSER_TEST_F(WebAppAudioFocusBrowserTest, WebAppHasSameAudioFocus) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL app_url = embedded_test_server()->GetURL(kAudioFocusTestPageURL);
webapps::AppId app_id = InstallPWA(app_url);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), app_url));
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
EXPECT_TRUE(content::WaitForLoadStop(web_contents));
EXPECT_EQ(base::UnguessableToken::Null(), GetAudioFocusGroupId(web_contents));
}
} // namespace web_app
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