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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 <utility>
#include "base/auto_reset.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "content/browser/renderer_host/input/synthetic_gesture.h"
#include "content/browser/renderer_host/input/synthetic_gesture_controller.h"
#include "content/browser/renderer_host/input/synthetic_gesture_target.h"
#include "content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/input/synthetic_gesture_params.h"
#include "content/common/input/synthetic_smooth_scroll_gesture_params.h"
#include "content/common/input_messages.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/test_utils.h"
#include "content/shell/browser/shell.h"
#include "third_party/blink/public/platform/web_input_event.h"
#include "ui/latency/latency_info.h"
using blink::WebInputEvent;
namespace {
const char kTouchActionDataURL[] =
"data:text/html;charset=utf-8,"
"<!DOCTYPE html>"
"<meta name='viewport' content='width=device-width'/>"
"<style>"
"html, body {"
" margin: 0;"
"}"
".box {"
" height: 96px;"
" width: 96px;"
" border: 2px solid blue;"
"}"
".spacer { height: 10000px; }"
".ta-none { touch-action: none; }"
"</style>"
"<div class=box></div>"
"<div class='box ta-none'></div>"
"<div class=spacer></div>"
"<script>"
" window.eventCounts = "
" {touchstart:0, touchmove:0, touchend: 0, touchcancel:0};"
" function countEvent(e) { eventCounts[e.type]++; }"
" for (var evt in eventCounts) { "
" document.addEventListener(evt, countEvent); "
" }"
" document.title='ready';"
"</script>";
const char kTouchActionURLWithOverlapArea[] =
"data:text/html;charset=utf-8,"
"<!DOCTYPE html>"
"<meta name='viewport' content='width=device-width'/>"
"<style>"
"html, body {"
" margin: 0;"
"}"
".box {"
" box-sizing: border-box;"
" height: 100px;"
" width: 100px;"
" border: 2px solid blue;"
" position: absolute;"
" will-change: transform;"
"}"
".spacer {"
" height: 10000px;"
" width: 10000px;"
"}"
".ta-auto {"
" top: 52px;"
" left: 52px;"
" touch-action: auto;"
"}"
".ta-pany {"
" top: 102px;"
" left: 2px;"
" touch-action: pan-y;"
"}"
".ta-panx {"
" top: 2px;"
" left: 102px;"
" touch-action: pan-x;"
"}"
"</style>"
"<div class='box ta-auto'></div>"
"<div class='box ta-panx'></div>"
"<div class='box ta-pany'></div>"
"<div class=spacer></div>"
"<script>"
" document.title='ready';"
"</script>";
void GiveItSomeTime(int t) {
base::RunLoop run_loop;
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, run_loop.QuitClosure(), base::TimeDelta::FromMilliseconds(t));
run_loop.Run();
}
constexpr base::TimeDelta kNoJankTime = base::TimeDelta::FromMilliseconds(0);
constexpr base::TimeDelta kShortJankTime =
base::TimeDelta::FromMilliseconds(100);
// 1200ms is larger than both desktop / mobile_touch_ack_timeout_delay in the
// PassthroughTouchEventQueue, which ensures timeout to be triggered.
constexpr base::TimeDelta kLongJankTime =
base::TimeDelta::FromMilliseconds(1200);
} // namespace
namespace content {
class TouchActionBrowserTest : public ContentBrowserTest {
public:
TouchActionBrowserTest() {}
~TouchActionBrowserTest() override {}
RenderWidgetHostImpl* GetWidgetHost() {
return RenderWidgetHostImpl::From(
shell()->web_contents()->GetRenderViewHost()->GetWidget());
}
void OnSyntheticGestureCompleted(SyntheticGesture::Result result) {
EXPECT_EQ(SyntheticGesture::GESTURE_FINISHED, result);
run_loop_->Quit();
}
protected:
void LoadURL(const char* touch_action_url) {
const GURL data_url(touch_action_url);
NavigateToURL(shell(), data_url);
RenderWidgetHostImpl* host = GetWidgetHost();
frame_observer_ = std::make_unique<RenderFrameSubmissionObserver>(
host->render_frame_metadata_provider());
host->GetView()->SetSize(gfx::Size(400, 400));
base::string16 ready_title(base::ASCIIToUTF16("ready"));
TitleWatcher watcher(shell()->web_contents(), ready_title);
ignore_result(watcher.WaitAndGetTitle());
// We need to wait until at least one frame has been composited
// otherwise the injection of the synthetic gestures may get
// dropped because of MainThread/Impl thread sync of touch event
// regions.
frame_observer_->WaitForAnyFrameSubmission();
}
// ContentBrowserTest:
void SetUpCommandLine(base::CommandLine* cmd) override {
cmd->AppendSwitchASCII(switches::kTouchEventFeatureDetection,
switches::kTouchEventFeatureDetectionEnabled);
// TODO(rbyers): Remove this switch once touch-action ships.
// http://crbug.com/241964
cmd->AppendSwitch(switches::kEnableExperimentalWebPlatformFeatures);
}
// ContentBrowserTest:
void PostRunTestOnMainThread() override {
// Delete this before the WebContents is destroyed.
frame_observer_.reset();
ContentBrowserTest::PostRunTestOnMainThread();
}
int ExecuteScriptAndExtractInt(const std::string& script) {
int value = 0;
EXPECT_TRUE(content::ExecuteScriptAndExtractInt(
shell(), "domAutomationController.send(" + script + ")", &value));
return value;
}
void JankMainThread(base::TimeDelta delta) {
std::string script = "var end = performance.now() + ";
script.append(std::to_string(delta.InMilliseconds()));
script.append("; while (performance.now() < end) ; ");
EXPECT_TRUE(content::ExecuteScript(shell(), script));
}
double ExecuteScriptAndExtractDouble(const std::string& script) {
double value = 0;
EXPECT_TRUE(content::ExecuteScriptAndExtractDouble(
shell(), "domAutomationController.send(" + script + ")", &value));
return value;
}
double GetScrollTop() {
return ExecuteScriptAndExtractDouble("document.scrollingElement.scrollTop");
}
double GetScrollLeft() {
return ExecuteScriptAndExtractDouble(
"document.scrollingElement.scrollLeft");
}
bool URLLoaded() {
base::string16 ready_title(base::ASCIIToUTF16("ready"));
TitleWatcher watcher(shell()->web_contents(), ready_title);
const base::string16 title = watcher.WaitAndGetTitle();
return title == ready_title;
}
// In this test, we first jank the main thread for 1200ms. Then we let the
// first finger scroll along the x-direction, on a pan-y area, for 1 second.
// While the first finger is still scrolling, we let the second finger
// touching the same area and scroll along the same direction. We purposely
// trigger touch ack timeout for the first finger touch. All we need to ensure
// is that the second finger also scrolled.
void DoTwoFingerTouchScroll(
bool wait_until_scrolled,
const gfx::Vector2d& expected_scroll_position_after_scroll) {
SyntheticSmoothScrollGestureParams params1;
params1.gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
params1.anchor = gfx::PointF(25, 125);
params1.distances.push_back(gfx::Vector2dF(-5, 0));
params1.prevent_fling = true;
params1.speed_in_pixels_s = 5;
SyntheticSmoothScrollGestureParams params2;
params2.gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
params2.anchor = gfx::PointF(25, 125);
params2.distances.push_back(gfx::Vector2dF(-50, 0));
run_loop_ = std::make_unique<base::RunLoop>();
std::unique_ptr<SyntheticSmoothScrollGesture> gesture1(
new SyntheticSmoothScrollGesture(params1));
GetWidgetHost()->QueueSyntheticGesture(
std::move(gesture1),
base::BindOnce(&TouchActionBrowserTest::OnSyntheticGestureCompleted,
base::Unretained(this)));
JankMainThread(kLongJankTime);
GiveItSomeTime(800);
std::unique_ptr<SyntheticSmoothScrollGesture> gesture2(
new SyntheticSmoothScrollGesture(params2));
GetWidgetHost()->QueueSyntheticGesture(
std::move(gesture2),
base::BindOnce(&TouchActionBrowserTest::OnSyntheticGestureCompleted,
base::Unretained(this)));
// Runs until we get the OnSyntheticGestureCompleted callback
run_loop_->Run();
run_loop_.reset();
CheckScrollOffset(wait_until_scrolled,
expected_scroll_position_after_scroll);
}
// Generate touch events for a synthetic scroll from |point| for |distance|.
void DoTouchScroll(const gfx::Point& point,
const gfx::Vector2d& distance,
bool wait_until_scrolled,
int expected_scroll_height_after_scroll,
const gfx::Vector2d& expected_scroll_position_after_scroll,
const base::TimeDelta& jank_time) {
DCHECK(URLLoaded());
EXPECT_EQ(0, GetScrollTop());
int scroll_height =
ExecuteScriptAndExtractInt("document.documentElement.scrollHeight");
EXPECT_EQ(expected_scroll_height_after_scroll, scroll_height);
float page_scale_factor =
frame_observer_->LastRenderFrameMetadata().page_scale_factor;
if (page_scale_factor == 0)
page_scale_factor = 1.0f;
gfx::PointF touch_point(point);
if (page_scale_factor != 1.0f) {
touch_point.set_x(touch_point.x() * page_scale_factor);
touch_point.set_y(touch_point.y() * page_scale_factor);
}
SyntheticSmoothScrollGestureParams params;
params.gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
params.anchor = touch_point;
params.distances.push_back(-distance);
// Set the speed to very high so that there is one GSU only.
// It seems that when the speed is too high, it has a race with the timeout
// test.
if (jank_time != kLongJankTime) {
params.speed_in_pixels_s = 1000000;
}
run_loop_ = std::make_unique<base::RunLoop>();
std::unique_ptr<SyntheticSmoothScrollGesture> gesture(
new SyntheticSmoothScrollGesture(params));
GetWidgetHost()->QueueSyntheticGesture(
std::move(gesture),
base::BindOnce(&TouchActionBrowserTest::OnSyntheticGestureCompleted,
base::Unretained(this)));
if (jank_time > base::TimeDelta::FromMilliseconds(0))
JankMainThread(jank_time);
// Runs until we get the OnSyntheticGestureCompleted callback
run_loop_->Run();
run_loop_.reset();
CheckScrollOffset(wait_until_scrolled,
expected_scroll_position_after_scroll);
}
private:
void CheckScrollOffset(
bool wait_until_scrolled,
const gfx::Vector2d& expected_scroll_position_after_scroll) {
gfx::Vector2dF default_scroll_offset;
gfx::Vector2dF root_scroll_offset =
frame_observer_->LastRenderFrameMetadata().root_scroll_offset.value_or(
default_scroll_offset);
// GetScrollTop() and GetScrollLeft() goes through the main thread, here
// we want to make sure that the compositor already scrolled before asking
// the main thread.
while (wait_until_scrolled &&
(root_scroll_offset.y() <
expected_scroll_position_after_scroll.y() / 2 ||
root_scroll_offset.x() <
expected_scroll_position_after_scroll.x() / 2)) {
frame_observer_->WaitForMetadataChange();
root_scroll_offset =
frame_observer_->LastRenderFrameMetadata()
.root_scroll_offset.value_or(default_scroll_offset);
}
// Check the scroll offset
int scroll_top = GetScrollTop();
int scroll_left = GetScrollLeft();
// Expect it scrolled at least half of the expected distance.
EXPECT_LE(expected_scroll_position_after_scroll.y() / 2, scroll_top);
EXPECT_LE(expected_scroll_position_after_scroll.x() / 2, scroll_left);
}
std::unique_ptr<RenderFrameSubmissionObserver> frame_observer_;
std::unique_ptr<base::RunLoop> run_loop_;
DISALLOW_COPY_AND_ASSIGN(TouchActionBrowserTest);
};
#if !defined(NDEBUG) || defined(ADDRESS_SANITIZER) || \
defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(THREAD_SANITIZER)
#define MAYBE_DefaultAuto DISABLED_DefaultAuto
#else
#define MAYBE_DefaultAuto DefaultAuto
#endif
//
// Verify the test infrastructure works - we can touch-scroll the page and get a
// touchcancel as expected.
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest, MAYBE_DefaultAuto) {
LoadURL(kTouchActionDataURL);
DoTouchScroll(gfx::Point(50, 50), gfx::Vector2d(0, 45), true, 10200,
gfx::Vector2d(0, 45), kNoJankTime);
EXPECT_EQ(1, ExecuteScriptAndExtractInt("eventCounts.touchstart"));
EXPECT_GE(ExecuteScriptAndExtractInt("eventCounts.touchmove"), 1);
EXPECT_EQ(1, ExecuteScriptAndExtractInt("eventCounts.touchend"));
EXPECT_EQ(0, ExecuteScriptAndExtractInt("eventCounts.touchcancel"));
}
// Verify that touching a touch-action: none region disables scrolling and
// enables all touch events to be sent.
#if !defined(NDEBUG) || defined(ADDRESS_SANITIZER) || \
defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(THREAD_SANITIZER)
#define MAYBE_TouchActionNone DISABLED_TouchActionNone
#else
#define MAYBE_TouchActionNone TouchActionNone
#endif
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest, MAYBE_TouchActionNone) {
LoadURL(kTouchActionDataURL);
DoTouchScroll(gfx::Point(50, 150), gfx::Vector2d(0, 45), false, 10200,
gfx::Vector2d(0, 0), kNoJankTime);
EXPECT_EQ(1, ExecuteScriptAndExtractInt("eventCounts.touchstart"));
EXPECT_GE(ExecuteScriptAndExtractInt("eventCounts.touchmove"), 1);
EXPECT_EQ(1, ExecuteScriptAndExtractInt("eventCounts.touchend"));
EXPECT_EQ(0, ExecuteScriptAndExtractInt("eventCounts.touchcancel"));
}
#if !defined(NDEBUG) || defined(ADDRESS_SANITIZER) || \
defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(THREAD_SANITIZER)
#define MAYBE_PanYMainThreadJanky DISABLED_PanYMainThreadJanky
#else
#define MAYBE_PanYMainThreadJanky PanYMainThreadJanky
#endif
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest, MAYBE_PanYMainThreadJanky) {
LoadURL(kTouchActionURLWithOverlapArea);
DoTouchScroll(gfx::Point(25, 125), gfx::Vector2d(0, 45), false, 10000,
gfx::Vector2d(0, 45), kShortJankTime);
}
#if !defined(NDEBUG) || defined(ADDRESS_SANITIZER) || \
defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(THREAD_SANITIZER)
#define MAYBE_PanXMainThreadJanky DISABLED_PanXMainThreadJanky
#else
#define MAYBE_PanXMainThreadJanky PanXMainThreadJanky
#endif
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest, MAYBE_PanXMainThreadJanky) {
LoadURL(kTouchActionURLWithOverlapArea);
DoTouchScroll(gfx::Point(125, 25), gfx::Vector2d(45, 0), false, 10000,
gfx::Vector2d(45, 0), kShortJankTime);
}
#if defined(OS_ANDROID)
#define MAYBE_PanXAtYAreaWithTimeout PanXAtYAreaWithTimeout
#else
#define MAYBE_PanXAtYAreaWithTimeout DISABLED_PanXAtYAreaWithTimeout
#endif
// When touch ack timeout is triggered, the panx gesture will be allowed even
// though we touch the pany area.
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest, MAYBE_PanXAtYAreaWithTimeout) {
LoadURL(kTouchActionURLWithOverlapArea);
DoTouchScroll(gfx::Point(25, 125), gfx::Vector2d(45, 0), false, 10000,
gfx::Vector2d(45, 0), kLongJankTime);
}
#if defined(OS_ANDROID)
#define MAYBE_TwoFingerPanXAtYAreaWithTimeout TwoFingerPanXAtYAreaWithTimeout
#else
#define MAYBE_TwoFingerPanXAtYAreaWithTimeout \
DISABLED_TwoFingerPanXAtYAreaWithTimeout
#endif
// When touch ack timeout is triggered, the panx gesture will be allowed even
// though we touch the pany area.
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest,
MAYBE_TwoFingerPanXAtYAreaWithTimeout) {
LoadURL(kTouchActionURLWithOverlapArea);
DoTwoFingerTouchScroll(false, gfx::Vector2d(20, 0));
}
#if !defined(NDEBUG) || defined(ADDRESS_SANITIZER) || \
defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(THREAD_SANITIZER)
#define MAYBE_PanXYMainThreadJanky DISABLED_PanXYMainThreadJanky
#else
#define MAYBE_PanXYMainThreadJanky PanXYMainThreadJanky
#endif
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest, MAYBE_PanXYMainThreadJanky) {
LoadURL(kTouchActionURLWithOverlapArea);
DoTouchScroll(gfx::Point(75, 60), gfx::Vector2d(45, 45), false, 10000,
gfx::Vector2d(45, 45), kShortJankTime);
}
#if !defined(NDEBUG) || defined(ADDRESS_SANITIZER) || \
defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(THREAD_SANITIZER)
#define MAYBE_PanXYAtXAreaMainThreadJanky DISABLED_PanXYAtXAreaMainThreadJanky
#else
#define MAYBE_PanXYAtXAreaMainThreadJanky PanXYAtXAreaMainThreadJanky
#endif
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest,
MAYBE_PanXYAtXAreaMainThreadJanky) {
LoadURL(kTouchActionURLWithOverlapArea);
DoTouchScroll(gfx::Point(125, 25), gfx::Vector2d(45, 20), false, 10000,
gfx::Vector2d(45, 0), kShortJankTime);
}
#if !defined(NDEBUG) || defined(ADDRESS_SANITIZER) || \
defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(THREAD_SANITIZER)
#define MAYBE_PanXYAtYAreaMainThreadJanky DISABLED_PanXYAtYAreaMainThreadJanky
#else
#define MAYBE_PanXYAtYAreaMainThreadJanky PanXYAtYAreaMainThreadJanky
#endif
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest,
MAYBE_PanXYAtYAreaMainThreadJanky) {
LoadURL(kTouchActionURLWithOverlapArea);
DoTouchScroll(gfx::Point(25, 125), gfx::Vector2d(20, 45), false, 10000,
gfx::Vector2d(0, 45), kShortJankTime);
}
#if !defined(NDEBUG) || defined(ADDRESS_SANITIZER) || \
defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(THREAD_SANITIZER)
#define MAYBE_PanXYAtAutoYOverlapAreaMainThreadJanky \
DISABLED_PanXYAtAutoYOverlapAreaMainThreadJanky
#else
#define MAYBE_PanXYAtAutoYOverlapAreaMainThreadJanky \
PanXYAtAutoYOverlapAreaMainThreadJanky
#endif
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest,
MAYBE_PanXYAtAutoYOverlapAreaMainThreadJanky) {
LoadURL(kTouchActionURLWithOverlapArea);
DoTouchScroll(gfx::Point(75, 125), gfx::Vector2d(20, 45), false, 10000,
gfx::Vector2d(0, 45), kShortJankTime);
}
#if !defined(NDEBUG) || defined(ADDRESS_SANITIZER) || \
defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(THREAD_SANITIZER)
#define MAYBE_PanXYAtAutoXOverlapAreaMainThreadJanky \
DISABLED_PanXYAtAutoXOverlapAreaMainThreadJanky
#else
#define MAYBE_PanXYAtAutoXOverlapAreaMainThreadJanky \
PanXYAtAutoXOverlapAreaMainThreadJanky
#endif
IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest,
MAYBE_PanXYAtAutoXOverlapAreaMainThreadJanky) {
LoadURL(kTouchActionURLWithOverlapArea);
DoTouchScroll(gfx::Point(125, 75), gfx::Vector2d(45, 20), false, 10000,
gfx::Vector2d(45, 0), kShortJankTime);
}
} // namespace content
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