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/renderer_host/render_widget_host_impl.h"
   9 #include "content/browser/web_contents/web_contents_impl.h"
  10 #include "content/common/input/synthetic_web_input_event_builders.h"
  11 #include "content/common/input_messages.h"
  12 #include "content/public/browser/browser_message_filter.h"
  13 #include "content/public/browser/render_view_host.h"
  14 #include "content/public/browser/render_widget_host_view.h"
  15 #include "content/public/common/content_switches.h"
  16 #include "content/public/test/content_browser_test.h"
  17 #include "content/public/test/content_browser_test_utils.h"
  18 #include "content/shell/browser/shell.h"
  19 #include "third_party/WebKit/public/web/WebInputEvent.h"
  20 #include "ui/events/event_switches.h"
  21 #include "ui/events/latency_info.h"
  22
  23 using blink::WebInputEvent;
  24
  25 namespace {
  26
  27 void GiveItSomeTime() {
  28   base::RunLoop run_loop;
  29   base::MessageLoop::current()->PostDelayedTask(
  30       FROM_HERE,
  31       run_loop.QuitClosure(),
  32       base::TimeDelta::FromMilliseconds(10));
  33   run_loop.Run();
  34 }
  35
  36 const char kTouchEventDataURL[] =
  37     "data:text/html;charset=utf-8,"
  38     "<body onload='setup();'>"
  39     "<div id='first'></div><div id='second'></div><div id='third'></div>"
  40     "<style>"
  41     "  #first {"
  42     "    position: absolute;"
  43     "    width: 100px;"
  44     "    height: 100px;"
  45     "    top: 0px;"
  46     "    left: 0px;"
  47     "    background-color: green;"
  48     "    -webkit-transform: translate3d(0, 0, 0);"
  49     "  }"
  50     "  #second {"
  51     "    position: absolute;"
  52     "    width: 100px;"
  53     "    height: 100px;"
  54     "    top: 0px;"
  55     "    left: 110px;"
  56     "    background-color: blue;"
  57     "    -webkit-transform: translate3d(0, 0, 0);"
  58     "  }"
  59     "  #third {"
  60     "    position: absolute;"
  61     "    width: 100px;"
  62     "    height: 100px;"
  63     "    top: 110px;"
  64     "    left: 0px;"
  65     "    background-color: yellow;"
  66     "    -webkit-transform: translate3d(0, 0, 0);"
  67     "  }"
  68     "</style>"
  69     "<script>"
  70     "  function setup() {"
  71     "    second.ontouchstart = function() {};"
  72     "    third.ontouchstart = function(e) {"
  73     "      e.preventDefault();"
  74     "    };"
  75     "  }"
  76     "</script>";
  77
  78 }  // namespace
  79
  80 namespace content {
  81
  82 class InputEventMessageFilter : public BrowserMessageFilter {
  83  public:
  84   InputEventMessageFilter()
  85       : BrowserMessageFilter(InputMsgStart),
  86         type_(WebInputEvent::Undefined),
  87         state_(INPUT_EVENT_ACK_STATE_UNKNOWN) {}
  88
  89   void WaitForAck(WebInputEvent::Type type) {
  90     base::RunLoop run_loop;
  91     base::AutoReset<base::Closure> reset_quit(&quit_, run_loop.QuitClosure());
  92     base::AutoReset<WebInputEvent::Type> reset_type(&type_, type);
  93     run_loop.Run();
  94   }
  95
  96   InputEventAckState last_ack_state() const { return state_; }
  97
  98  protected:
  99   virtual ~InputEventMessageFilter() {}
 100
 101  private:
 102   void ReceivedEventAck(WebInputEvent::Type type, InputEventAckState state) {
 103     if (type_ == type) {
 104       state_ = state;
 105       quit_.Run();
 106     }
 107   }
 108
 109   // BrowserMessageFilter:
 110   virtual bool OnMessageReceived(const IPC::Message& message,
 111                                  bool* message_was_ok) OVERRIDE {
 112     if (message.type() == InputHostMsg_HandleInputEvent_ACK::ID) {
 113       ui::LatencyInfo latency;
 114       WebInputEvent::Type type = WebInputEvent::Undefined;
 115       InputEventAckState ack = INPUT_EVENT_ACK_STATE_UNKNOWN;
 116       InputHostMsg_HandleInputEvent_ACK::Read(&message, &type, &ack, &latency);
 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 testing::WithParamInterface<std::string> {
 133  public:
 134   TouchInputBrowserTest() {}
 135   virtual ~TouchInputBrowserTest() {}
 136
 137   RenderWidgetHostImpl* GetWidgetHost() {
 138     return RenderWidgetHostImpl::From(shell()->web_contents()->
 139                                           GetRenderViewHost());
 140   }
 141
 142   InputEventMessageFilter* filter() { return filter_.get(); }
 143
 144  protected:
 145   void LoadURLAndAddFilter() {
 146     const GURL data_url(kTouchEventDataURL);
 147     NavigateToURL(shell(), data_url);
 148
 149     WebContentsImpl* web_contents =
 150         static_cast<WebContentsImpl*>(shell()->web_contents());
 151     RenderWidgetHostImpl* host =
 152         RenderWidgetHostImpl::From(web_contents->GetRenderViewHost());
 153     host->GetView()->SetSize(gfx::Size(400, 400));
 154
 155     // The page is loaded in the renderer, wait for a new frame to arrive.
 156     while (!host->ScheduleComposite())
 157       GiveItSomeTime();
 158
 159     filter_ = new InputEventMessageFilter();
 160     host->GetProcess()->AddFilter(filter_);
 161   }
 162
 163   virtual void SetUpCommandLine(CommandLine* cmd) OVERRIDE {
 164     cmd->AppendSwitchASCII(switches::kTouchEvents,
 165                            switches::kTouchEventsEnabled);
 166     cmd->AppendSwitch(GetParam());
 167   }
 168
 169   scoped_refptr<InputEventMessageFilter> filter_;
 170 };
 171
 172 #if defined(OS_MACOSX)
 173 // TODO(ccameron): Failing on mac: crbug.com/346363
 174 #define MAYBE_TouchNoHandler DISABLED_TouchNoHandler
 175 #else
 176 #define MAYBE_TouchNoHandler TouchNoHandler
 177 #endif
 178 IN_PROC_BROWSER_TEST_P(TouchInputBrowserTest, MAYBE_TouchNoHandler) {
 179   LoadURLAndAddFilter();
 180   SyntheticWebTouchEvent touch;
 181
 182   // A press on |first| should be acked with NO_CONSUMER_EXISTS since there is
 183   // no touch-handler on it.
 184   touch.PressPoint(25, 25);
 185   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 186   filter()->WaitForAck(WebInputEvent::TouchStart);
 187
 188   if (GetParam() == std::string(switches::kEnableThreadedCompositing)) {
 189     EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
 190               filter()->last_ack_state());
 191   } else {
 192     // http://crbug.com/326232: This should be NO_CONSUMER_EXISTS once
 193     // WebViewImpl::hasTouchEventHandlersAt() is implemented.
 194     EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 195   }
 196
 197   // If a touch-press is acked with NO_CONSUMER_EXISTS, then subsequent
 198   // touch-points don't need to be dispatched until the touch point is released.
 199   touch.ReleasePoint(0);
 200   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 201   touch.ResetPoints();
 202 }
 203
 204 IN_PROC_BROWSER_TEST_P(TouchInputBrowserTest, TouchHandlerNoConsume) {
 205   LoadURLAndAddFilter();
 206   SyntheticWebTouchEvent touch;
 207
 208   // Press on |second| should be acked with NOT_CONSUMED since there is a
 209   // touch-handler on |second|, but it doesn't consume the event.
 210   touch.PressPoint(125, 25);
 211   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 212   filter()->WaitForAck(WebInputEvent::TouchStart);
 213   EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 214
 215   touch.ReleasePoint(0);
 216   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 217   filter()->WaitForAck(WebInputEvent::TouchEnd);
 218   touch.ResetPoints();
 219 }
 220
 221 IN_PROC_BROWSER_TEST_P(TouchInputBrowserTest, TouchHandlerConsume) {
 222   LoadURLAndAddFilter();
 223   SyntheticWebTouchEvent touch;
 224
 225   // Press on |third| should be acked with CONSUMED since the touch-handler on
 226   // |third| consimes the event.
 227   touch.PressPoint(25, 125);
 228   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 229   filter()->WaitForAck(WebInputEvent::TouchStart);
 230   EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());
 231
 232   touch.ReleasePoint(0);
 233   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 234   filter()->WaitForAck(WebInputEvent::TouchEnd);
 235 }
 236
 237 #if defined(OS_MACOSX)
 238 // TODO(ccameron): Failing on mac: crbug.com/346363
 239 #define MAYBE_MultiPointTouchPress DISABLED_MultiPointTouchPress
 240 #else
 241 #define MAYBE_MultiPointTouchPress MultiPointTouchPress
 242 #endif
 243 IN_PROC_BROWSER_TEST_P(TouchInputBrowserTest, MAYBE_MultiPointTouchPress) {
 244   LoadURLAndAddFilter();
 245   SyntheticWebTouchEvent touch;
 246
 247   // Press on |first|, which sould be acked with NO_CONSUMER_EXISTS. Then press
 248   // on |third|. That point should be acked with CONSUMED.
 249   touch.PressPoint(25, 25);
 250   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 251   filter()->WaitForAck(WebInputEvent::TouchStart);
 252   if (GetParam() == std::string(switches::kEnableThreadedCompositing)) {
 253     EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
 254               filter()->last_ack_state());
 255   } else {
 256     // http://crbug.com/326232: This should be NO_CONSUMER_EXISTS once
 257     // WebViewImpl::hasTouchEventHandlersAt() is implemented.
 258     EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 259   }
 260
 261   touch.PressPoint(25, 125);
 262   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 263   filter()->WaitForAck(WebInputEvent::TouchStart);
 264   EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());
 265 }
 266
 267 // Threaded compositing is always enabled on Aura and Mac.
 268 #if !defined(USE_AURA) && !defined(OS_MACOSX)
 269 INSTANTIATE_TEST_CASE_P(WithoutInputHandlerProxy, TouchInputBrowserTest,
 270     ::testing::Values(std::string(switches::kDisableThreadedCompositing)));
 271 #endif
 272
 273 #if defined(USE_AURA) || defined(OS_MACOSX)
 274 INSTANTIATE_TEST_CASE_P(WithInputHandlerProxy, TouchInputBrowserTest,
 275     ::testing::Values(std::string(switches::kEnableThreadedCompositing)));
 276 #endif
 277
 278 }  // namespace content