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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/picture_in_picture/picture_in_picture_window_manager.h"
#include <memory>
#include "base/scoped_observation.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "content/public/browser/picture_in_picture_window_controller.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/mock_video_picture_in_picture_window_controller_impl.h"
#include "extensions/buildflags/buildflags.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/display/display.h"
#if !BUILDFLAG(IS_ANDROID)
#include "base/test/metrics/histogram_tester.h"
#include "base/test/simple_test_tick_clock.h"
#include "chrome/browser/picture_in_picture/auto_picture_in_picture_tab_helper.h"
#include "chrome/browser/picture_in_picture/picture_in_picture_window_manager_uma_helper.h"
#include "chrome/browser/picture_in_picture/scoped_disallow_picture_in_picture.h"
#include "media/base/media_switches.h"
#include "ui/views/bubble/bubble_dialog_delegate_view.h"
#include "ui/views/view.h"
#endif // !BUILDFLAG(IS_ANDROID)
namespace {
#if !BUILDFLAG(IS_ANDROID)
const char kPictureInPictureTotalTimeHistogram[] =
"Media.PictureInPicture.Window.TotalTime";
#endif // !BUILDFLAG(IS_ANDROID)
typedef base::ScopedObservation<PictureInPictureWindowManager,
PictureInPictureWindowManager::Observer>
PictureInPictureWindowManagerdObservation;
class MockPictureInPictureWindowManagerObserver
: public PictureInPictureWindowManager::Observer {
public:
MOCK_METHOD(void, OnEnterPictureInPicture, (), (override));
};
class MockPictureInPictureWindowController
: public content::PictureInPictureWindowController {
public:
MockPictureInPictureWindowController() = default;
MockPictureInPictureWindowController(
const MockPictureInPictureWindowController&) = delete;
MockPictureInPictureWindowController& operator=(
const MockPictureInPictureWindowController&) = delete;
~MockPictureInPictureWindowController() override = default;
MOCK_METHOD(void, Show, (), (override));
MOCK_METHOD(void, FocusInitiator, (), (override));
MOCK_METHOD(void, Close, (bool), (override));
MOCK_METHOD(void, CloseAndFocusInitiator, (), (override));
MOCK_METHOD(void, OnWindowDestroyed, (bool), (override));
MOCK_METHOD(content::WebContents*, GetWebContents, (), (override));
MOCK_METHOD(std::optional<gfx::Rect>, GetWindowBounds, (), (override));
MOCK_METHOD(content::WebContents*, GetChildWebContents, (), (override));
MOCK_METHOD(std::optional<url::Origin>, GetOrigin, (), (override));
};
class PictureInPictureWindowManagerTest
: public ChromeRenderViewHostTestHarness {
public:
void SetUp() override {
ChromeRenderViewHostTestHarness::SetUp();
SetContents(CreateTestWebContents());
child_web_contents_ = CreateTestWebContents();
auto mock_video_picture_in_picture_controller = std::make_unique<
content::MockVideoPictureInPictureWindowControllerImpl>(web_contents());
mock_video_picture_in_picture_controller_ =
mock_video_picture_in_picture_controller.get();
web_contents()->SetUserData(
mock_video_picture_in_picture_controller->UserDataKey(),
std::move(mock_video_picture_in_picture_controller));
}
void TearDown() override {
mock_video_picture_in_picture_controller_ = nullptr;
DeleteContents();
child_web_contents_.reset();
ChromeRenderViewHostTestHarness::TearDown();
}
content::WebContents* child_web_contents() const {
return child_web_contents_.get();
}
content::MockVideoPictureInPictureWindowControllerImpl*
mock_video_picture_in_picture_controller() const {
return mock_video_picture_in_picture_controller_.get();
}
#if !BUILDFLAG(IS_ANDROID)
void SetupPiPWindowManagerWithUmaHelper(
base::SimpleTestTickClock* test_clock) {
test_clock->SetNowTicks(base::TimeTicks::Now());
std::unique_ptr<PictureInPictureWindowManagerUmaHelper> test_uma_helper =
std::make_unique<PictureInPictureWindowManagerUmaHelper>();
test_uma_helper->SetClockForTest(test_clock);
PictureInPictureWindowManager* picture_in_picture_window_manager =
PictureInPictureWindowManager::GetInstance();
picture_in_picture_window_manager->set_uma_helper_for_testing(
std::move(test_uma_helper));
}
std::unique_ptr<base::HistogramSamples> GetHistogramSamplesSinceTestStart(
const std::string& name) {
return histogram_tester_.GetHistogramSamplesSinceCreation(name);
}
#endif // !BUILDFLAG(IS_ANDROID)
private:
std::unique_ptr<content::WebContents> child_web_contents_;
raw_ptr<content::MockVideoPictureInPictureWindowControllerImpl>
mock_video_picture_in_picture_controller_;
#if !BUILDFLAG(IS_ANDROID)
base::HistogramTester histogram_tester_;
#endif // !BUILDFLAG(IS_ANDROID)
};
} // namespace
TEST_F(PictureInPictureWindowManagerTest, RespectsMinAndMaxSize) {
// The max window size should be 80% of the screen.
display::Display display(/*id=*/1, gfx::Rect(0, 0, 1000, 1000));
EXPECT_EQ(gfx::Size(800, 800),
PictureInPictureWindowManager::GetMaximumWindowSize(display));
// The initial bounds of the PiP window should respect that.
blink::mojom::PictureInPictureWindowOptions pip_options;
pip_options.width = 900;
pip_options.height = 900;
EXPECT_EQ(
gfx::Size(800, 800),
PictureInPictureWindowManager::GetInstance()
->CalculateInitialPictureInPictureWindowBounds(pip_options, display)
.size());
// The minimum size should also be respected.
pip_options.width = 100;
pip_options.height = 500;
EXPECT_EQ(
gfx::Size(240, 500),
PictureInPictureWindowManager::GetInstance()
->CalculateInitialPictureInPictureWindowBounds(pip_options, display)
.size());
}
TEST_F(PictureInPictureWindowManagerTest,
ExitPictureInPictureReturnsFalseWhenThereIsNoWindow) {
EXPECT_FALSE(
PictureInPictureWindowManager::GetInstance()->ExitPictureInPicture());
}
TEST_F(PictureInPictureWindowManagerTest,
ExitPictureInPictureReturnsTrueAndClosesWindow) {
MockPictureInPictureWindowController controller;
PictureInPictureWindowManager::GetInstance()
->EnterPictureInPictureWithController(&controller);
EXPECT_CALL(controller, Close(/*should_pause_video=*/false));
EXPECT_TRUE(
PictureInPictureWindowManager::GetInstance()->ExitPictureInPicture());
}
TEST_F(PictureInPictureWindowManagerTest, OnEnterVideoPictureInPicture) {
PictureInPictureWindowManager* picture_in_picture_window_manager =
PictureInPictureWindowManager::GetInstance();
EXPECT_CALL(*mock_video_picture_in_picture_controller(),
SetOnWindowCreatedNotifyObserversCallback);
picture_in_picture_window_manager->EnterVideoPictureInPicture(web_contents());
}
#if !BUILDFLAG(IS_ANDROID)
TEST_F(PictureInPictureWindowManagerTest, OnEnterDocumentPictureInPicture) {
PictureInPictureWindowManager* picture_in_picture_window_manager =
PictureInPictureWindowManager::GetInstance();
MockPictureInPictureWindowManagerObserver observer;
PictureInPictureWindowManagerdObservation observation{&observer};
observation.Observe(picture_in_picture_window_manager);
EXPECT_CALL(observer, OnEnterPictureInPicture).Times(1);
picture_in_picture_window_manager->EnterDocumentPictureInPicture(
web_contents(), child_web_contents());
}
TEST_F(PictureInPictureWindowManagerTest, DontShowAutoPipSettingUiWithoutPip) {
PictureInPictureWindowManager* picture_in_picture_window_manager =
PictureInPictureWindowManager::GetInstance();
// There's no pip open, so expect no setting UI.
EXPECT_FALSE(picture_in_picture_window_manager->GetOverlayView(
/* anchor_view = */ nullptr, views::BubbleBorder::TOP_CENTER));
}
TEST_F(PictureInPictureWindowManagerTest,
DontShowAutoPipSettingUiForNonAutoPip) {
PictureInPictureWindowManager* picture_in_picture_window_manager =
PictureInPictureWindowManager::GetInstance();
picture_in_picture_window_manager->EnterDocumentPictureInPicture(
web_contents(), child_web_contents());
// This isn't auto-pip, so expect no overlay view.
EXPECT_FALSE(picture_in_picture_window_manager->GetOverlayView(
/* anchor_view = */ nullptr, views::BubbleBorder::TOP_CENTER));
}
TEST_F(PictureInPictureWindowManagerTest, CorrectTypesAreSupported) {
EXPECT_TRUE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("https://foo.com")));
EXPECT_FALSE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("http://foo.com")));
EXPECT_TRUE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("http://localhost")));
EXPECT_TRUE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("https://localhost")));
EXPECT_TRUE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("file://foo/com")));
EXPECT_FALSE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("blob://foo.com")));
EXPECT_FALSE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("")));
EXPECT_FALSE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("about:blank")));
#if BUILDFLAG(ENABLE_EXTENSIONS)
EXPECT_TRUE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("chrome-extension://foocom")));
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
EXPECT_TRUE(
PictureInPictureWindowManager::IsSupportedForDocumentPictureInPicture(
GURL("chrome://newtab")));
}
TEST_F(PictureInPictureWindowManagerTest, RecordsInitialSizeHistograms) {
display::Display display(/*id=*/1, gfx::Rect(0, 0, 1000, 1000));
{
base::HistogramTester histogram_tester;
// Simulate requesting a window that is 400x500px and takes up 20% of the
// total screen area.
blink::mojom::PictureInPictureWindowOptions pip_options;
pip_options.width = 400;
pip_options.height = 500;
PictureInPictureWindowManager::GetInstance()
->CalculateInitialPictureInPictureWindowBounds(pip_options, display);
// Requested size histograms should be properly recorded.
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedInitialWidth", 400, 1);
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedInitialHeight", 500, 1);
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedSizeToScreenRatio", 20, 1);
}
{
base::HistogramTester histogram_tester;
// Simulate requesting a window with zero size.
blink::mojom::PictureInPictureWindowOptions pip_options;
pip_options.width = 0;
pip_options.height = 0;
PictureInPictureWindowManager::GetInstance()
->CalculateInitialPictureInPictureWindowBounds(pip_options, display);
// Requested size histograms should be properly recorded. A size of zero
// should be recorded as 1 percent.
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedInitialWidth", 0, 1);
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedInitialHeight", 0, 1);
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedSizeToScreenRatio", 1, 1);
}
{
base::HistogramTester histogram_tester;
// Simulate requesting a window with an area larger than the whole screen.
blink::mojom::PictureInPictureWindowOptions pip_options;
pip_options.width = 2000;
pip_options.height = 2000;
PictureInPictureWindowManager::GetInstance()
->CalculateInitialPictureInPictureWindowBounds(pip_options, display);
// Requested size histograms should be properly recorded. A size larger than
// the whole screen should be recorded as 100 percent.
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedInitialWidth", 2000, 1);
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedInitialHeight", 2000, 1);
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedSizeToScreenRatio", 100, 1);
}
{
base::HistogramTester histogram_tester;
display::Display empty_display(/*id=*/2, gfx::Rect(0, 0, 0, 0));
// Simulate requesting a window inside an empty display.
blink::mojom::PictureInPictureWindowOptions pip_options;
pip_options.width = 1000;
pip_options.height = 1000;
PictureInPictureWindowManager::GetInstance()
->CalculateInitialPictureInPictureWindowBounds(pip_options,
empty_display);
// Requested size histograms should be properly recorded. If the display
// size is empty, then we should get a ratio of 100 percent.
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedInitialWidth", 1000, 1);
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedInitialHeight", 1000, 1);
histogram_tester.ExpectUniqueSample(
"Media.DocumentPictureInPicture.RequestedSizeToScreenRatio", 100, 1);
}
}
TEST_F(PictureInPictureWindowManagerTest, CanDisallowPictureInPicture) {
{
// Disallowing before opening a picture-in-picture window should close it.
ScopedDisallowPictureInPicture disallow;
PictureInPictureWindowManager::GetInstance()->EnterDocumentPictureInPicture(
web_contents(), child_web_contents());
// The close does not happen synchronously, so we run posted tasks.
EXPECT_TRUE(web_contents()->HasPictureInPictureDocument());
task_environment()->RunUntilIdle();
EXPECT_FALSE(web_contents()->HasPictureInPictureDocument());
}
{
// Disallowing after opening a picture-in-picture window should close it.
PictureInPictureWindowManager::GetInstance()->EnterDocumentPictureInPicture(
web_contents(), child_web_contents());
EXPECT_TRUE(web_contents()->HasPictureInPictureDocument());
ScopedDisallowPictureInPicture disallow;
EXPECT_FALSE(web_contents()->HasPictureInPictureDocument());
}
{
{
ScopedDisallowPictureInPicture disallow1;
{
// Multiple ScopedDisallowPictureInPicture should still block
// picture-in-picture windows.
ScopedDisallowPictureInPicture disallow2;
PictureInPictureWindowManager::GetInstance()
->EnterDocumentPictureInPicture(web_contents(),
child_web_contents());
EXPECT_TRUE(web_contents()->HasPictureInPictureDocument());
task_environment()->RunUntilIdle();
EXPECT_FALSE(web_contents()->HasPictureInPictureDocument());
}
// When one of them is destroyed but the other remains, it should still
// block picture-in-picture windows.
PictureInPictureWindowManager::GetInstance()
->EnterDocumentPictureInPicture(web_contents(), child_web_contents());
EXPECT_TRUE(web_contents()->HasPictureInPictureDocument());
task_environment()->RunUntilIdle();
EXPECT_FALSE(web_contents()->HasPictureInPictureDocument());
}
// Once both have been destroyed, picture-in-picture windows should be
// unblocked.
PictureInPictureWindowManager::GetInstance()->EnterDocumentPictureInPicture(
web_contents(), child_web_contents());
EXPECT_TRUE(web_contents()->HasPictureInPictureDocument());
task_environment()->RunUntilIdle();
EXPECT_TRUE(web_contents()->HasPictureInPictureDocument());
}
}
TEST_F(PictureInPictureWindowManagerTest,
ShouldFileDialogBlockPictureInPicture) {
PictureInPictureWindowManager::GetInstance()->EnterDocumentPictureInPicture(
web_contents(), child_web_contents());
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndEnableFeature(media::kFileDialogsBlockPictureInPicture);
// With the feature enabled, file dialogs that aren't on a document
// picture-in-picture window should block picture-in-picture windows.
EXPECT_TRUE(PictureInPictureWindowManager::GetInstance()
->ShouldFileDialogBlockPictureInPicture(web_contents()));
EXPECT_FALSE(
PictureInPictureWindowManager::GetInstance()
->ShouldFileDialogBlockPictureInPicture(child_web_contents()));
}
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndDisableFeature(
media::kFileDialogsBlockPictureInPicture);
// With the feature disabled, no file dialogs should block
// picture-in-picture windows.
EXPECT_FALSE(PictureInPictureWindowManager::GetInstance()
->ShouldFileDialogBlockPictureInPicture(web_contents()));
EXPECT_FALSE(
PictureInPictureWindowManager::GetInstance()
->ShouldFileDialogBlockPictureInPicture(child_web_contents()));
}
}
TEST_F(PictureInPictureWindowManagerTest,
EnterAndCloseDocumentPip_NormalCloseDoesCommit) {
base::SimpleTestTickClock test_clock;
SetupPiPWindowManagerWithUmaHelper(&test_clock);
PictureInPictureWindowManager* picture_in_picture_window_manager =
PictureInPictureWindowManager::GetInstance();
picture_in_picture_window_manager->EnterDocumentPictureInPicture(
web_contents(), child_web_contents());
test_clock.Advance(base::Milliseconds(3000));
picture_in_picture_window_manager->ExitPictureInPicture();
std::unique_ptr<base::HistogramSamples> samples(
GetHistogramSamplesSinceTestStart(kPictureInPictureTotalTimeHistogram));
EXPECT_EQ(1, samples->TotalCount());
EXPECT_EQ(1, samples->GetCount(3000));
}
TEST_F(PictureInPictureWindowManagerTest,
EnterAndCloseVideoPip_NormalCloseDoesCommit) {
base::SimpleTestTickClock test_clock;
SetupPiPWindowManagerWithUmaHelper(&test_clock);
PictureInPictureWindowManager* picture_in_picture_window_manager =
PictureInPictureWindowManager::GetInstance();
picture_in_picture_window_manager->EnterVideoPictureInPicture(web_contents());
test_clock.Advance(base::Milliseconds(3000));
picture_in_picture_window_manager->ExitPictureInPicture();
std::unique_ptr<base::HistogramSamples> samples(
GetHistogramSamplesSinceTestStart(kPictureInPictureTotalTimeHistogram));
EXPECT_EQ(1, samples->TotalCount());
EXPECT_EQ(1, samples->GetCount(3000));
}
TEST_F(PictureInPictureWindowManagerTest,
EnterAndCloseDocumentPip_UICloseDoesCommit) {
base::SimpleTestTickClock test_clock;
SetupPiPWindowManagerWithUmaHelper(&test_clock);
PictureInPictureWindowManager* picture_in_picture_window_manager =
PictureInPictureWindowManager::GetInstance();
picture_in_picture_window_manager->EnterDocumentPictureInPicture(
web_contents(), child_web_contents());
test_clock.Advance(base::Milliseconds(3000));
picture_in_picture_window_manager->ExitPictureInPictureViaWindowUi(
PictureInPictureWindowManager::UiBehavior::kCloseWindowOnly);
std::unique_ptr<base::HistogramSamples> samples(
GetHistogramSamplesSinceTestStart(kPictureInPictureTotalTimeHistogram));
EXPECT_EQ(1, samples->TotalCount());
EXPECT_EQ(1, samples->GetCount(3000));
}
TEST_F(PictureInPictureWindowManagerTest,
EnterAndCloseVideoPip_UICloseDoesCommit) {
base::SimpleTestTickClock test_clock;
SetupPiPWindowManagerWithUmaHelper(&test_clock);
PictureInPictureWindowManager* picture_in_picture_window_manager =
PictureInPictureWindowManager::GetInstance();
picture_in_picture_window_manager->EnterVideoPictureInPicture(web_contents());
test_clock.Advance(base::Milliseconds(3000));
picture_in_picture_window_manager->ExitPictureInPictureViaWindowUi(
PictureInPictureWindowManager::UiBehavior::kCloseWindowOnly);
std::unique_ptr<base::HistogramSamples> samples(
GetHistogramSamplesSinceTestStart(kPictureInPictureTotalTimeHistogram));
EXPECT_EQ(1, samples->TotalCount());
EXPECT_EQ(1, samples->GetCount(3000));
}
#endif // !BUILDFLAG(IS_ANDROID)
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