content/browser/renderer_host/input/touch_input_browsertest.cc - platform/external/chromium_org - Git at Google

 // Copyright 2013 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 "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/input/synthetic_web_input_event_builders.h"
 #include "content/common/input_messages.h"
 #include "content/public/browser/browser_message_filter.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/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/events/event_switches.h"
 #include "ui/events/latency_info.h"

 using blink::WebInputEvent;

 namespace {

 void GiveItSomeTime() {
   base::RunLoop run_loop;
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       run_loop.QuitClosure(),
       base::TimeDelta::FromMilliseconds(10));
   run_loop.Run();
 }

 const char kTouchEventDataURL[] =
     "data:text/html;charset=utf-8,"
     "<body onload='setup();'>"
     "<div id='first'></div><div id='second'></div><div id='third'></div>"
     "<style>"
     "  #first {"
     "    position: absolute;"
     "    width: 100px;"
     "    height: 100px;"
     "    top: 0px;"
     "    left: 0px;"
     "    background-color: green;"
     "    -webkit-transform: translate3d(0, 0, 0);"
     "  }"
     "  #second {"
     "    position: absolute;"
     "    width: 100px;"
     "    height: 100px;"
     "    top: 0px;"
     "    left: 110px;"
     "    background-color: blue;"
     "    -webkit-transform: translate3d(0, 0, 0);"
     "  }"
     "  #third {"
     "    position: absolute;"
     "    width: 100px;"
     "    height: 100px;"
     "    top: 110px;"
     "    left: 0px;"
     "    background-color: yellow;"
     "    -webkit-transform: translate3d(0, 0, 0);"
     "  }"
     "</style>"
     "<script>"
     "  function setup() {"
     "    second.ontouchstart = function() {};"
     "    third.ontouchstart = function(e) {"
     "      e.preventDefault();"
     "    };"
     "  }"
     "</script>";

 }  // namespace

 namespace content {

 class InputEventMessageFilter : public BrowserMessageFilter {
  public:
   InputEventMessageFilter()
       : BrowserMessageFilter(InputMsgStart),
         type_(WebInputEvent::Undefined),
         state_(INPUT_EVENT_ACK_STATE_UNKNOWN) {}

   void WaitForAck(WebInputEvent::Type type) {
     base::RunLoop run_loop;
     base::AutoReset<base::Closure> reset_quit(&quit_, run_loop.QuitClosure());
     base::AutoReset<WebInputEvent::Type> reset_type(&type_, type);
     run_loop.Run();
   }

   InputEventAckState last_ack_state() const { return state_; }

  protected:
   virtual ~InputEventMessageFilter() {}

  private:
   void ReceivedEventAck(WebInputEvent::Type type, InputEventAckState state) {
     if (type_ == type) {
       state_ = state;
       quit_.Run();
     }
   }

   // BrowserMessageFilter:
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
     if (message.type() == InputHostMsg_HandleInputEvent_ACK::ID) {
       InputHostMsg_HandleInputEvent_ACK::Param params;
       InputHostMsg_HandleInputEvent_ACK::Read(&message, &params);
       WebInputEvent::Type type = params.a.type;
       InputEventAckState ack = params.a.state;
       BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
           base::Bind(&InputEventMessageFilter::ReceivedEventAck,
                      this, type, ack));
     }
     return false;
   }

   base::Closure quit_;
   WebInputEvent::Type type_;
   InputEventAckState state_;

   DISALLOW_COPY_AND_ASSIGN(InputEventMessageFilter);
 };

 class TouchInputBrowserTest : public ContentBrowserTest {
  public:
   TouchInputBrowserTest() {}
   virtual ~TouchInputBrowserTest() {}

   RenderWidgetHostImpl* GetWidgetHost() {
     return RenderWidgetHostImpl::From(shell()->web_contents()->
                                           GetRenderViewHost());
   }

   InputEventMessageFilter* filter() { return filter_.get(); }

  protected:
   void LoadURLAndAddFilter() {
     const GURL data_url(kTouchEventDataURL);
     NavigateToURL(shell(), data_url);

     WebContentsImpl* web_contents =
         static_cast<WebContentsImpl*>(shell()->web_contents());
     RenderWidgetHostImpl* host =
         RenderWidgetHostImpl::From(web_contents->GetRenderViewHost());
     host->GetView()->SetSize(gfx::Size(400, 400));

     // The page is loaded in the renderer, wait for a new frame to arrive.
     while (!host->ScheduleComposite())
       GiveItSomeTime();

     filter_ = new InputEventMessageFilter();
     host->GetProcess()->AddFilter(filter_);
   }

   virtual void SetUpCommandLine(CommandLine* cmd) OVERRIDE {
     cmd->AppendSwitchASCII(switches::kTouchEvents,
                            switches::kTouchEventsEnabled);
   }

   scoped_refptr<InputEventMessageFilter> filter_;
 };

 #if defined(OS_MACOSX)
 // TODO(ccameron): Failing on mac: crbug.com/346363
 #define MAYBE_TouchNoHandler DISABLED_TouchNoHandler
 #else
 #define MAYBE_TouchNoHandler TouchNoHandler
 #endif
 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, MAYBE_TouchNoHandler) {
   LoadURLAndAddFilter();
   SyntheticWebTouchEvent touch;

   // A press on |first| should be acked with NO_CONSUMER_EXISTS since there is
   // no touch-handler on it.
   touch.PressPoint(25, 25);
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   filter()->WaitForAck(WebInputEvent::TouchStart);

   if (content::IsThreadedCompositingEnabled()) {
     EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
               filter()->last_ack_state());
   } else {
     // http://crbug.com/326232: This should be NO_CONSUMER_EXISTS once
     // WebViewImpl::hasTouchEventHandlersAt() is implemented.
     EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
   }

   // If a touch-press is acked with NO_CONSUMER_EXISTS, then subsequent
   // touch-points don't need to be dispatched until the touch point is released.
   touch.ReleasePoint(0);
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   touch.ResetPoints();
 }

 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, TouchHandlerNoConsume) {
   LoadURLAndAddFilter();
   SyntheticWebTouchEvent touch;

   // Press on |second| should be acked with NOT_CONSUMED since there is a
   // touch-handler on |second|, but it doesn't consume the event.
   touch.PressPoint(125, 25);
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   filter()->WaitForAck(WebInputEvent::TouchStart);
   EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());

   touch.ReleasePoint(0);
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   filter()->WaitForAck(WebInputEvent::TouchEnd);
   touch.ResetPoints();
 }

 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, TouchHandlerConsume) {
   LoadURLAndAddFilter();
   SyntheticWebTouchEvent touch;

   // Press on |third| should be acked with CONSUMED since the touch-handler on
   // |third| consimes the event.
   touch.PressPoint(25, 125);
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   filter()->WaitForAck(WebInputEvent::TouchStart);
   EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());

   touch.ReleasePoint(0);
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   filter()->WaitForAck(WebInputEvent::TouchEnd);
 }

 #if defined(OS_MACOSX)
 // TODO(ccameron): Failing on mac: crbug.com/346363
 #define MAYBE_MultiPointTouchPress DISABLED_MultiPointTouchPress
 #else
 #define MAYBE_MultiPointTouchPress MultiPointTouchPress
 #endif
 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, MAYBE_MultiPointTouchPress) {
   LoadURLAndAddFilter();
   SyntheticWebTouchEvent touch;

   // Press on |first|, which sould be acked with NO_CONSUMER_EXISTS. Then press
   // on |third|. That point should be acked with CONSUMED.
   touch.PressPoint(25, 25);
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   filter()->WaitForAck(WebInputEvent::TouchStart);
   if (content::IsThreadedCompositingEnabled()) {
     EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
               filter()->last_ack_state());
   } else {
     // http://crbug.com/326232: This should be NO_CONSUMER_EXISTS once
     // WebViewImpl::hasTouchEventHandlersAt() is implemented.
     EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
   }

   touch.PressPoint(25, 125);
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   filter()->WaitForAck(WebInputEvent::TouchStart);
   EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());
 }

 }  // namespace content
	// Copyright 2013 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 "base/auto_reset.h"
	#include "base/command_line.h"
	#include "base/run_loop.h"
	#include "content/browser/gpu/compositor_util.h"
	#include "content/browser/renderer_host/render_widget_host_impl.h"
	#include "content/browser/web_contents/web_contents_impl.h"
	#include "content/common/input/synthetic_web_input_event_builders.h"
	#include "content/common/input_messages.h"
	#include "content/public/browser/browser_message_filter.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/content_browser_test.h"
	#include "content/public/test/content_browser_test_utils.h"
	#include "content/shell/browser/shell.h"
	#include "third_party/WebKit/public/web/WebInputEvent.h"
	#include "ui/events/event_switches.h"
	#include "ui/events/latency_info.h"

	using blink::WebInputEvent;

	namespace {

	void GiveItSomeTime() {
	base::RunLoop run_loop;
	base::MessageLoop::current()->PostDelayedTask(
	FROM_HERE,
	run_loop.QuitClosure(),
	base::TimeDelta::FromMilliseconds(10));
	run_loop.Run();
	}

	const char kTouchEventDataURL[] =
	"data:text/html;charset=utf-8,"
	"<body onload='setup();'>"
	"<div id='first'></div><div id='second'></div><div id='third'></div>"
	"<style>"
	" #first {"
	" position: absolute;"
	" width: 100px;"
	" height: 100px;"
	" top: 0px;"
	" left: 0px;"
	" background-color: green;"
	" -webkit-transform: translate3d(0, 0, 0);"
	" }"
	" #second {"
	" position: absolute;"
	" width: 100px;"
	" height: 100px;"
	" top: 0px;"
	" left: 110px;"
	" background-color: blue;"
	" -webkit-transform: translate3d(0, 0, 0);"
	" }"
	" #third {"
	" position: absolute;"
	" width: 100px;"
	" height: 100px;"
	" top: 110px;"
	" left: 0px;"
	" background-color: yellow;"
	" -webkit-transform: translate3d(0, 0, 0);"
	" }"
	"</style>"
	"<script>"
	" function setup() {"
	" second.ontouchstart = function() {};"
	" third.ontouchstart = function(e) {"
	" e.preventDefault();"
	" };"
	" }"
	"</script>";

	} // namespace

	namespace content {

	class InputEventMessageFilter : public BrowserMessageFilter {
	public:
	InputEventMessageFilter()
	: BrowserMessageFilter(InputMsgStart),
	type_(WebInputEvent::Undefined),
	state_(INPUT_EVENT_ACK_STATE_UNKNOWN) {}

	void WaitForAck(WebInputEvent::Type type) {
	base::RunLoop run_loop;
	base::AutoReset<base::Closure> reset_quit(&quit_, run_loop.QuitClosure());
	base::AutoReset<WebInputEvent::Type> reset_type(&type_, type);
	run_loop.Run();
	}

	InputEventAckState last_ack_state() const { return state_; }

	protected:
	virtual ~InputEventMessageFilter() {}

	private:
	void ReceivedEventAck(WebInputEvent::Type type, InputEventAckState state) {
	if (type_ == type) {
	state_ = state;
	quit_.Run();
	}
	}

	// BrowserMessageFilter:
	virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
	if (message.type() == InputHostMsg_HandleInputEvent_ACK::ID) {
	InputHostMsg_HandleInputEvent_ACK::Param params;
	InputHostMsg_HandleInputEvent_ACK::Read(&message, &params);
	WebInputEvent::Type type = params.a.type;
	InputEventAckState ack = params.a.state;
	BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
	base::Bind(&InputEventMessageFilter::ReceivedEventAck,
	this, type, ack));
	}
	return false;
	}

	base::Closure quit_;
	WebInputEvent::Type type_;
	InputEventAckState state_;

	DISALLOW_COPY_AND_ASSIGN(InputEventMessageFilter);
	};

	class TouchInputBrowserTest : public ContentBrowserTest {
	public:
	TouchInputBrowserTest() {}
	virtual ~TouchInputBrowserTest() {}

	RenderWidgetHostImpl* GetWidgetHost() {
	return RenderWidgetHostImpl::From(shell()->web_contents()->
	GetRenderViewHost());
	}

	InputEventMessageFilter* filter() { return filter_.get(); }

	protected:
	void LoadURLAndAddFilter() {
	const GURL data_url(kTouchEventDataURL);
	NavigateToURL(shell(), data_url);

	WebContentsImpl* web_contents =
	static_cast<WebContentsImpl*>(shell()->web_contents());
	RenderWidgetHostImpl* host =
	RenderWidgetHostImpl::From(web_contents->GetRenderViewHost());
	host->GetView()->SetSize(gfx::Size(400, 400));

	// The page is loaded in the renderer, wait for a new frame to arrive.
	while (!host->ScheduleComposite())
	GiveItSomeTime();

	filter_ = new InputEventMessageFilter();
	host->GetProcess()->AddFilter(filter_);
	}

	virtual void SetUpCommandLine(CommandLine* cmd) OVERRIDE {
	cmd->AppendSwitchASCII(switches::kTouchEvents,
	switches::kTouchEventsEnabled);
	}

	scoped_refptr<InputEventMessageFilter> filter_;
	};

	#if defined(OS_MACOSX)
	// TODO(ccameron): Failing on mac: crbug.com/346363
	#define MAYBE_TouchNoHandler DISABLED_TouchNoHandler
	#else
	#define MAYBE_TouchNoHandler TouchNoHandler
	#endif
	IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, MAYBE_TouchNoHandler) {
	LoadURLAndAddFilter();
	SyntheticWebTouchEvent touch;

	// A press on \|first\| should be acked with NO_CONSUMER_EXISTS since there is
	// no touch-handler on it.
	touch.PressPoint(25, 25);
	GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
	filter()->WaitForAck(WebInputEvent::TouchStart);

	if (content::IsThreadedCompositingEnabled()) {
	EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
	filter()->last_ack_state());
	} else {
	// http://crbug.com/326232: This should be NO_CONSUMER_EXISTS once
	// WebViewImpl::hasTouchEventHandlersAt() is implemented.
	EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
	}

	// If a touch-press is acked with NO_CONSUMER_EXISTS, then subsequent
	// touch-points don't need to be dispatched until the touch point is released.
	touch.ReleasePoint(0);
	GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
	touch.ResetPoints();
	}

	IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, TouchHandlerNoConsume) {
	LoadURLAndAddFilter();
	SyntheticWebTouchEvent touch;

	// Press on \|second\| should be acked with NOT_CONSUMED since there is a
	// touch-handler on \|second\|, but it doesn't consume the event.
	touch.PressPoint(125, 25);
	GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
	filter()->WaitForAck(WebInputEvent::TouchStart);
	EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());

	touch.ReleasePoint(0);
	GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
	filter()->WaitForAck(WebInputEvent::TouchEnd);
	touch.ResetPoints();
	}

	IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, TouchHandlerConsume) {
	LoadURLAndAddFilter();
	SyntheticWebTouchEvent touch;

	// Press on \|third\| should be acked with CONSUMED since the touch-handler on
	// \|third\| consimes the event.
	touch.PressPoint(25, 125);
	GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
	filter()->WaitForAck(WebInputEvent::TouchStart);
	EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());

	touch.ReleasePoint(0);
	GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
	filter()->WaitForAck(WebInputEvent::TouchEnd);
	}

	#if defined(OS_MACOSX)
	// TODO(ccameron): Failing on mac: crbug.com/346363
	#define MAYBE_MultiPointTouchPress DISABLED_MultiPointTouchPress
	#else
	#define MAYBE_MultiPointTouchPress MultiPointTouchPress
	#endif
	IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, MAYBE_MultiPointTouchPress) {
	LoadURLAndAddFilter();
	SyntheticWebTouchEvent touch;

	// Press on \|first\|, which sould be acked with NO_CONSUMER_EXISTS. Then press
	// on \|third\|. That point should be acked with CONSUMED.
	touch.PressPoint(25, 25);
	GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
	filter()->WaitForAck(WebInputEvent::TouchStart);
	if (content::IsThreadedCompositingEnabled()) {
	EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
	filter()->last_ack_state());
	} else {
	// http://crbug.com/326232: This should be NO_CONSUMER_EXISTS once
	// WebViewImpl::hasTouchEventHandlersAt() is implemented.
	EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
	}

	touch.PressPoint(25, 125);
	GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
	filter()->WaitForAck(WebInputEvent::TouchStart);
	EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());
	}

	} // namespace content