src/content/browser/renderer_host/input/touch_input_browsertest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/auto_reset.h"
   6 #include "base/command_line.h"
   7 #include "base/run_loop.h"
   8 #include "content/browser/gpu/compositor_util.h"
   9 #include "content/browser/renderer_host/render_widget_host_impl.h"
  10 #include "content/browser/web_contents/web_contents_impl.h"
  11 #include "content/common/input/synthetic_web_input_event_builders.h"
  12 #include "content/common/input_messages.h"
  13 #include "content/public/browser/browser_message_filter.h"
  14 #include "content/public/browser/render_view_host.h"
  15 #include "content/public/browser/render_widget_host_view.h"
  16 #include "content/public/common/content_switches.h"
  17 #include "content/public/test/content_browser_test.h"
  18 #include "content/public/test/content_browser_test_utils.h"
  19 #include "content/shell/browser/shell.h"
  20 #include "third_party/WebKit/public/web/WebInputEvent.h"
  21 #include "ui/events/event_switches.h"
  22 #include "ui/events/latency_info.h"
  23
  24 using blink::WebInputEvent;
  25
  26 namespace {
  27
  28 void GiveItSomeTime() {
  29   base::RunLoop run_loop;
  30   base::MessageLoop::current()->PostDelayedTask(
  31       FROM_HERE,
  32       run_loop.QuitClosure(),
  33       base::TimeDelta::FromMilliseconds(10));
  34   run_loop.Run();
  35 }
  36
  37 const char kTouchEventDataURL[] =
  38     "data:text/html;charset=utf-8,"
  39     "<body onload='setup();'>"
  40     "<div id='first'></div><div id='second'></div><div id='third'></div>"
  41     "<style>"
  42     "  #first {"
  43     "    position: absolute;"
  44     "    width: 100px;"
  45     "    height: 100px;"
  46     "    top: 0px;"
  47     "    left: 0px;"
  48     "    background-color: green;"
  49     "    -webkit-transform: translate3d(0, 0, 0);"
  50     "  }"
  51     "  #second {"
  52     "    position: absolute;"
  53     "    width: 100px;"
  54     "    height: 100px;"
  55     "    top: 0px;"
  56     "    left: 110px;"
  57     "    background-color: blue;"
  58     "    -webkit-transform: translate3d(0, 0, 0);"
  59     "  }"
  60     "  #third {"
  61     "    position: absolute;"
  62     "    width: 100px;"
  63     "    height: 100px;"
  64     "    top: 110px;"
  65     "    left: 0px;"
  66     "    background-color: yellow;"
  67     "    -webkit-transform: translate3d(0, 0, 0);"
  68     "  }"
  69     "</style>"
  70     "<script>"
  71     "  function setup() {"
  72     "    second.ontouchstart = function() {};"
  73     "    third.ontouchstart = function(e) {"
  74     "      e.preventDefault();"
  75     "    };"
  76     "  }"
  77     "</script>";
  78
  79 }  // namespace
  80
  81 namespace content {
  82
  83 class InputEventMessageFilter : public BrowserMessageFilter {
  84  public:
  85   InputEventMessageFilter()
  86       : BrowserMessageFilter(InputMsgStart),
  87         type_(WebInputEvent::Undefined),
  88         state_(INPUT_EVENT_ACK_STATE_UNKNOWN) {}
  89
  90   void WaitForAck(WebInputEvent::Type type) {
  91     base::RunLoop run_loop;
  92     base::AutoReset<base::Closure> reset_quit(&quit_, run_loop.QuitClosure());
  93     base::AutoReset<WebInputEvent::Type> reset_type(&type_, type);
  94     run_loop.Run();
  95   }
  96
  97   InputEventAckState last_ack_state() const { return state_; }
  98
  99  protected:
 100   virtual ~InputEventMessageFilter() {}
 101
 102  private:
 103   void ReceivedEventAck(WebInputEvent::Type type, InputEventAckState state) {
 104     if (type_ == type) {
 105       state_ = state;
 106       quit_.Run();
 107     }
 108   }
 109
 110   // BrowserMessageFilter:
 111   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
 112     if (message.type() == InputHostMsg_HandleInputEvent_ACK::ID) {
 113       InputHostMsg_HandleInputEvent_ACK::Param params;
 114       InputHostMsg_HandleInputEvent_ACK::Read(&message, &params);
 115       WebInputEvent::Type type = params.a.type;
 116       InputEventAckState ack = params.a.state;
 117       BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 118           base::Bind(&InputEventMessageFilter::ReceivedEventAck,
 119                      this, type, ack));
 120     }
 121     return false;
 122   }
 123
 124   base::Closure quit_;
 125   WebInputEvent::Type type_;
 126   InputEventAckState state_;
 127
 128   DISALLOW_COPY_AND_ASSIGN(InputEventMessageFilter);
 129 };
 130
 131 class TouchInputBrowserTest : public ContentBrowserTest {
 132  public:
 133   TouchInputBrowserTest() {}
 134   virtual ~TouchInputBrowserTest() {}
 135
 136   RenderWidgetHostImpl* GetWidgetHost() {
 137     return RenderWidgetHostImpl::From(shell()->web_contents()->
 138                                           GetRenderViewHost());
 139   }
 140
 141   InputEventMessageFilter* filter() { return filter_.get(); }
 142
 143  protected:
 144   void LoadURLAndAddFilter() {
 145     const GURL data_url(kTouchEventDataURL);
 146     NavigateToURL(shell(), data_url);
 147
 148     WebContentsImpl* web_contents =
 149         static_cast<WebContentsImpl*>(shell()->web_contents());
 150     RenderWidgetHostImpl* host =
 151         RenderWidgetHostImpl::From(web_contents->GetRenderViewHost());
 152     host->GetView()->SetSize(gfx::Size(400, 400));
 153
 154     // The page is loaded in the renderer, wait for a new frame to arrive.
 155     while (!host->ScheduleComposite())
 156       GiveItSomeTime();
 157
 158     filter_ = new InputEventMessageFilter();
 159     host->GetProcess()->AddFilter(filter_);
 160   }
 161
 162   virtual void SetUpCommandLine(CommandLine* cmd) OVERRIDE {
 163     cmd->AppendSwitchASCII(switches::kTouchEvents,
 164                            switches::kTouchEventsEnabled);
 165   }
 166
 167   scoped_refptr<InputEventMessageFilter> filter_;
 168 };
 169
 170 #if defined(OS_MACOSX)
 171 // TODO(ccameron): Failing on mac: crbug.com/346363
 172 #define MAYBE_TouchNoHandler DISABLED_TouchNoHandler
 173 #else
 174 #define MAYBE_TouchNoHandler TouchNoHandler
 175 #endif
 176 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, MAYBE_TouchNoHandler) {
 177   LoadURLAndAddFilter();
 178   SyntheticWebTouchEvent touch;
 179
 180   // A press on |first| should be acked with NO_CONSUMER_EXISTS since there is
 181   // no touch-handler on it.
 182   touch.PressPoint(25, 25);
 183   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 184   filter()->WaitForAck(WebInputEvent::TouchStart);
 185
 186   EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
 187             filter()->last_ack_state());
 188
 189   // If a touch-press is acked with NO_CONSUMER_EXISTS, then subsequent
 190   // touch-points don't need to be dispatched until the touch point is released.
 191   touch.ReleasePoint(0);
 192   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 193   touch.ResetPoints();
 194 }
 195
 196 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, TouchHandlerNoConsume) {
 197   LoadURLAndAddFilter();
 198   SyntheticWebTouchEvent touch;
 199
 200   // Press on |second| should be acked with NOT_CONSUMED since there is a
 201   // touch-handler on |second|, but it doesn't consume the event.
 202   touch.PressPoint(125, 25);
 203   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 204   filter()->WaitForAck(WebInputEvent::TouchStart);
 205   EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 206
 207   touch.ReleasePoint(0);
 208   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 209   filter()->WaitForAck(WebInputEvent::TouchEnd);
 210   touch.ResetPoints();
 211 }
 212
 213 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, TouchHandlerConsume) {
 214   LoadURLAndAddFilter();
 215   SyntheticWebTouchEvent touch;
 216
 217   // Press on |third| should be acked with CONSUMED since the touch-handler on
 218   // |third| consimes the event.
 219   touch.PressPoint(25, 125);
 220   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 221   filter()->WaitForAck(WebInputEvent::TouchStart);
 222   EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());
 223
 224   touch.ReleasePoint(0);
 225   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 226   filter()->WaitForAck(WebInputEvent::TouchEnd);
 227 }
 228
 229 #if defined(OS_MACOSX)
 230 // TODO(ccameron): Failing on mac: crbug.com/346363
 231 #define MAYBE_MultiPointTouchPress DISABLED_MultiPointTouchPress
 232 #else
 233 #define MAYBE_MultiPointTouchPress MultiPointTouchPress
 234 #endif
 235 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, MAYBE_MultiPointTouchPress) {
 236   LoadURLAndAddFilter();
 237   SyntheticWebTouchEvent touch;
 238
 239   // Press on |first|, which sould be acked with NO_CONSUMER_EXISTS. Then press
 240   // on |third|. That point should be acked with CONSUMED.
 241   touch.PressPoint(25, 25);
 242   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 243   filter()->WaitForAck(WebInputEvent::TouchStart);
 244   EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
 245             filter()->last_ack_state());
 246
 247   touch.PressPoint(25, 125);
 248   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 249   filter()->WaitForAck(WebInputEvent::TouchStart);
 250   EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());
 251 }
 252
 253 }  // namespace content