content/browser/renderer_host/input/touch_action_browsertest.cc - chromium/src - Git at Google

 // 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>";

 }  // 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);
     runner_->Quit();
   }

  protected:
   void LoadURL() {
     const GURL data_url(kTouchActionDataURL);
     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;
   }

   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");
   }

   // Generate touch events for a synthetic scroll from |point| for |distance|.
   // Returns true if the page scrolled by the desired amount, and false if
   // it didn't scroll at all.
   bool DoTouchScroll(const gfx::Point& point,
                      const gfx::Vector2d& distance,
                      bool wait_until_scrolled) {
     EXPECT_EQ(0, GetScrollTop());

     int scroll_height =
         ExecuteScriptAndExtractInt("document.documentElement.scrollHeight");
     EXPECT_EQ(10200, scroll_height);

     SyntheticSmoothScrollGestureParams params;
     params.gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
     params.anchor = gfx::PointF(point);
     params.distances.push_back(-distance);

     runner_ = new MessageLoopRunner();

     std::unique_ptr<SyntheticSmoothScrollGesture> gesture(
         new SyntheticSmoothScrollGesture(params));
     GetWidgetHost()->QueueSyntheticGesture(
         std::move(gesture),
         base::BindOnce(&TouchActionBrowserTest::OnSyntheticGestureCompleted,
                        base::Unretained(this)));

     // Runs until we get the OnSyntheticGestureCompleted callback
     runner_->Run();
     runner_ = nullptr;

     // Expect that the compositor scrolled at least one pixel while the
     // main thread was in a busy loop.
     gfx::Vector2dF default_scroll_offset;
     while (wait_until_scrolled &&
            frame_observer_->LastRenderFrameMetadata()
                    .root_scroll_offset.value_or(default_scroll_offset)
                    .y() < (distance.y() / 2)) {
       frame_observer_->WaitForMetadataChange();
     }

     // Check the scroll offset
     double scroll_top = GetScrollTop();
     if (scroll_top == 0)
       return false;

     // Allow for 1px rounding inaccuracies for some screen sizes.
     EXPECT_LT(distance.y() / 2, scroll_top);
     return true;
   }

  private:
   std::unique_ptr<RenderFrameSubmissionObserver> frame_observer_;
   scoped_refptr<MessageLoopRunner> runner_;

   DISALLOW_COPY_AND_ASSIGN(TouchActionBrowserTest);
 };

 // Mac doesn't yet have a gesture recognizer, so can't support turning touch
 // events into scroll gestures.
 // Will be fixed with http://crbug.com/337142
 #if defined(OS_MACOSX)
 #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();

   bool scrolled = DoTouchScroll(gfx::Point(50, 50), gfx::Vector2d(0, 45), true);
   EXPECT_TRUE(scrolled);

   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.
 // Disabled on MacOS because it doesn't support touch input.
 #if defined(OS_MACOSX)
 #define MAYBE_TouchActionNone DISABLED_TouchActionNone
 #else
 #define MAYBE_TouchActionNone TouchActionNone
 #endif
 IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest, MAYBE_TouchActionNone) {
   LoadURL();

   bool scrolled =
       DoTouchScroll(gfx::Point(50, 150), gfx::Vector2d(0, 45), false);
   EXPECT_FALSE(scrolled);

   EXPECT_EQ(1, ExecuteScriptAndExtractInt("eventCounts.touchstart"));
   EXPECT_GE(ExecuteScriptAndExtractInt("eventCounts.touchmove"), 1);
   EXPECT_EQ(1, ExecuteScriptAndExtractInt("eventCounts.touchend"));
   EXPECT_EQ(0, ExecuteScriptAndExtractInt("eventCounts.touchcancel"));
 }

 }  // namespace content
	// 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>";

	} // 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);
	runner_->Quit();
	}

	protected:
	void LoadURL() {
	const GURL data_url(kTouchActionDataURL);
	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;
	}

	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");
	}

	// Generate touch events for a synthetic scroll from \|point\| for \|distance\|.
	// Returns true if the page scrolled by the desired amount, and false if
	// it didn't scroll at all.
	bool DoTouchScroll(const gfx::Point& point,
	const gfx::Vector2d& distance,
	bool wait_until_scrolled) {
	EXPECT_EQ(0, GetScrollTop());

	int scroll_height =
	ExecuteScriptAndExtractInt("document.documentElement.scrollHeight");
	EXPECT_EQ(10200, scroll_height);

	SyntheticSmoothScrollGestureParams params;
	params.gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
	params.anchor = gfx::PointF(point);
	params.distances.push_back(-distance);

	runner_ = new MessageLoopRunner();

	std::unique_ptr<SyntheticSmoothScrollGesture> gesture(
	new SyntheticSmoothScrollGesture(params));
	GetWidgetHost()->QueueSyntheticGesture(
	std::move(gesture),
	base::BindOnce(&TouchActionBrowserTest::OnSyntheticGestureCompleted,
	base::Unretained(this)));

	// Runs until we get the OnSyntheticGestureCompleted callback
	runner_->Run();
	runner_ = nullptr;

	// Expect that the compositor scrolled at least one pixel while the
	// main thread was in a busy loop.
	gfx::Vector2dF default_scroll_offset;
	while (wait_until_scrolled &&
	frame_observer_->LastRenderFrameMetadata()
	.root_scroll_offset.value_or(default_scroll_offset)
	.y() < (distance.y() / 2)) {
	frame_observer_->WaitForMetadataChange();
	}

	// Check the scroll offset
	double scroll_top = GetScrollTop();
	if (scroll_top == 0)
	return false;

	// Allow for 1px rounding inaccuracies for some screen sizes.
	EXPECT_LT(distance.y() / 2, scroll_top);
	return true;
	}

	private:
	std::unique_ptr<RenderFrameSubmissionObserver> frame_observer_;
	scoped_refptr<MessageLoopRunner> runner_;

	DISALLOW_COPY_AND_ASSIGN(TouchActionBrowserTest);
	};

	// Mac doesn't yet have a gesture recognizer, so can't support turning touch
	// events into scroll gestures.
	// Will be fixed with http://crbug.com/337142
	#if defined(OS_MACOSX)
	#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();

	bool scrolled = DoTouchScroll(gfx::Point(50, 50), gfx::Vector2d(0, 45), true);
	EXPECT_TRUE(scrolled);

	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.
	// Disabled on MacOS because it doesn't support touch input.
	#if defined(OS_MACOSX)
	#define MAYBE_TouchActionNone DISABLED_TouchActionNone
	#else
	#define MAYBE_TouchActionNone TouchActionNone
	#endif
	IN_PROC_BROWSER_TEST_F(TouchActionBrowserTest, MAYBE_TouchActionNone) {
	LoadURL();

	bool scrolled =
	DoTouchScroll(gfx::Point(50, 150), gfx::Vector2d(0, 45), false);
	EXPECT_FALSE(scrolled);

	EXPECT_EQ(1, ExecuteScriptAndExtractInt("eventCounts.touchstart"));
	EXPECT_GE(ExecuteScriptAndExtractInt("eventCounts.touchmove"), 1);
	EXPECT_EQ(1, ExecuteScriptAndExtractInt("eventCounts.touchend"));
	EXPECT_EQ(0, ExecuteScriptAndExtractInt("eventCounts.touchcancel"));
	}

	} // namespace content