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/location.h"
   8 #include "base/run_loop.h"
   9 #include "base/single_thread_task_runner.h"
  10 #include "base/thread_task_runner_handle.h"
  11 #include "content/browser/gpu/compositor_util.h"
  12 #include "content/browser/renderer_host/render_widget_host_impl.h"
  13 #include "content/browser/web_contents/web_contents_impl.h"
  14 #include "content/common/input/synthetic_web_input_event_builders.h"
  15 #include "content/common/input_messages.h"
  16 #include "content/public/browser/browser_message_filter.h"
  17 #include "content/public/browser/render_view_host.h"
  18 #include "content/public/browser/render_widget_host_view.h"
  19 #include "content/public/common/content_switches.h"
  20 #include "content/public/test/content_browser_test.h"
  21 #include "content/public/test/content_browser_test_utils.h"
  22 #include "content/shell/browser/shell.h"
  23 #include "third_party/WebKit/public/web/WebInputEvent.h"
  24 #include "ui/events/event_switches.h"
  25 #include "ui/events/latency_info.h"
  26
  27 using blink::WebInputEvent;
  28
  29 namespace {
  30
  31 void GiveItSomeTime() {
  32   base::RunLoop run_loop;
  33   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
  34       FROM_HERE, run_loop.QuitClosure(), base::TimeDelta::FromMilliseconds(10));
  35   run_loop.Run();
  36 }
  37
  38 const char kTouchEventDataURL[] =
  39     "data:text/html;charset=utf-8,"
  40 #if defined(OS_ANDROID)
  41     "<head>"
  42     "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">"
  43     "</head>"
  44 #endif
  45     "<body onload='setup();'>"
  46     "<div id='first'></div><div id='second'></div><div id='third'></div>"
  47     "<style>"
  48     "  #first {"
  49     "    position: absolute;"
  50     "    width: 100px;"
  51     "    height: 100px;"
  52     "    top: 0px;"
  53     "    left: 0px;"
  54     "    background-color: green;"
  55     "    -webkit-transform: translate3d(0, 0, 0);"
  56     "  }"
  57     "  #second {"
  58     "    position: absolute;"
  59     "    width: 100px;"
  60     "    height: 100px;"
  61     "    top: 0px;"
  62     "    left: 110px;"
  63     "    background-color: blue;"
  64     "    -webkit-transform: translate3d(0, 0, 0);"
  65     "  }"
  66     "  #third {"
  67     "    position: absolute;"
  68     "    width: 100px;"
  69     "    height: 100px;"
  70     "    top: 110px;"
  71     "    left: 0px;"
  72     "    background-color: yellow;"
  73     "    -webkit-transform: translate3d(0, 0, 0);"
  74     "  }"
  75     "</style>"
  76     "<script>"
  77     "  function setup() {"
  78     "    second.ontouchstart = function() {};"
  79     "    third.ontouchstart = function(e) {"
  80     "      e.preventDefault();"
  81     "    };"
  82     "  }"
  83     "</script>";
  84
  85 }  // namespace
  86
  87 namespace content {
  88
  89 class InputEventMessageFilter : public BrowserMessageFilter {
  90  public:
  91   InputEventMessageFilter()
  92       : BrowserMessageFilter(InputMsgStart),
  93         type_(WebInputEvent::Undefined),
  94         state_(INPUT_EVENT_ACK_STATE_UNKNOWN) {}
  95
  96   void WaitForAck(WebInputEvent::Type type) {
  97     base::RunLoop run_loop;
  98     base::AutoReset<base::Closure> reset_quit(&quit_, run_loop.QuitClosure());
  99     base::AutoReset<WebInputEvent::Type> reset_type(&type_, type);
 100     run_loop.Run();
 101   }
 102
 103   InputEventAckState last_ack_state() const { return state_; }
 104
 105  protected:
 106   ~InputEventMessageFilter() override {}
 107
 108  private:
 109   void ReceivedEventAck(WebInputEvent::Type type, InputEventAckState state) {
 110     if (type_ == type) {
 111       state_ = state;
 112       quit_.Run();
 113     }
 114   }
 115
 116   // BrowserMessageFilter:
 117   bool OnMessageReceived(const IPC::Message& message) override {
 118     if (message.type() == InputHostMsg_HandleInputEvent_ACK::ID) {
 119       InputHostMsg_HandleInputEvent_ACK::Param params;
 120       InputHostMsg_HandleInputEvent_ACK::Read(&message, &params);
 121       WebInputEvent::Type type = base::get<0>(params).type;
 122       InputEventAckState ack = base::get<0>(params).state;
 123       BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 124           base::Bind(&InputEventMessageFilter::ReceivedEventAck,
 125                      this, type, ack));
 126     }
 127     return false;
 128   }
 129
 130   base::Closure quit_;
 131   WebInputEvent::Type type_;
 132   InputEventAckState state_;
 133
 134   DISALLOW_COPY_AND_ASSIGN(InputEventMessageFilter);
 135 };
 136
 137 class TouchInputBrowserTest : public ContentBrowserTest {
 138  public:
 139   TouchInputBrowserTest() {}
 140   ~TouchInputBrowserTest() override {}
 141
 142   RenderWidgetHostImpl* GetWidgetHost() {
 143     return RenderWidgetHostImpl::From(shell()->web_contents()->
 144                                           GetRenderViewHost());
 145   }
 146
 147   InputEventMessageFilter* filter() { return filter_.get(); }
 148
 149  protected:
 150   void LoadURLAndAddFilter() {
 151     const GURL data_url(kTouchEventDataURL);
 152     NavigateToURL(shell(), data_url);
 153
 154     WebContentsImpl* web_contents =
 155         static_cast<WebContentsImpl*>(shell()->web_contents());
 156     RenderWidgetHostImpl* host =
 157         RenderWidgetHostImpl::From(web_contents->GetRenderViewHost());
 158     host->GetView()->SetSize(gfx::Size(400, 400));
 159
 160     // The page is loaded in the renderer, wait for a new frame to arrive.
 161     while (!host->ScheduleComposite())
 162       GiveItSomeTime();
 163
 164     filter_ = new InputEventMessageFilter();
 165     host->GetProcess()->AddFilter(filter_.get());
 166   }
 167
 168   void SetUpCommandLine(base::CommandLine* cmd) override {
 169     cmd->AppendSwitchASCII(switches::kTouchEvents,
 170                            switches::kTouchEventsEnabled);
 171   }
 172
 173   scoped_refptr<InputEventMessageFilter> filter_;
 174 };
 175
 176 #if defined(OS_MACOSX)
 177 // TODO(ccameron): Failing on mac: crbug.com/346363
 178 #define MAYBE_TouchNoHandler DISABLED_TouchNoHandler
 179 #else
 180 #define MAYBE_TouchNoHandler TouchNoHandler
 181 #endif
 182 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, MAYBE_TouchNoHandler) {
 183   LoadURLAndAddFilter();
 184   SyntheticWebTouchEvent touch;
 185
 186   // A press on |first| should be acked with NO_CONSUMER_EXISTS since there is
 187   // no touch-handler on it.
 188   touch.PressPoint(25, 25);
 189   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 190   filter()->WaitForAck(WebInputEvent::TouchStart);
 191
 192   EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
 193             filter()->last_ack_state());
 194
 195   // If a touch-press is acked with NO_CONSUMER_EXISTS, then subsequent
 196   // touch-points don't need to be dispatched until the touch point is released.
 197   touch.ReleasePoint(0);
 198   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 199   touch.ResetPoints();
 200 }
 201
 202 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, TouchHandlerNoConsume) {
 203   LoadURLAndAddFilter();
 204   SyntheticWebTouchEvent touch;
 205
 206   // Press on |second| should be acked with NOT_CONSUMED since there is a
 207   // touch-handler on |second|, but it doesn't consume the event.
 208   touch.PressPoint(125, 25);
 209   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 210   filter()->WaitForAck(WebInputEvent::TouchStart);
 211   EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 212
 213   touch.ReleasePoint(0);
 214   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 215   filter()->WaitForAck(WebInputEvent::TouchEnd);
 216   touch.ResetPoints();
 217 }
 218
 219 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, TouchHandlerConsume) {
 220   LoadURLAndAddFilter();
 221   SyntheticWebTouchEvent touch;
 222
 223   // Press on |third| should be acked with CONSUMED since the touch-handler on
 224   // |third| consimes the event.
 225   touch.PressPoint(25, 125);
 226   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 227   filter()->WaitForAck(WebInputEvent::TouchStart);
 228   EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());
 229
 230   touch.ReleasePoint(0);
 231   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 232   filter()->WaitForAck(WebInputEvent::TouchEnd);
 233 }
 234
 235 #if defined(OS_MACOSX)
 236 // TODO(ccameron): Failing on mac: crbug.com/346363
 237 #define MAYBE_MultiPointTouchPress DISABLED_MultiPointTouchPress
 238 #else
 239 #define MAYBE_MultiPointTouchPress MultiPointTouchPress
 240 #endif
 241 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, MAYBE_MultiPointTouchPress) {
 242   LoadURLAndAddFilter();
 243   SyntheticWebTouchEvent touch;
 244
 245   // Press on |first|, which sould be acked with NO_CONSUMER_EXISTS. Then press
 246   // on |third|. That point should be acked with CONSUMED.
 247   touch.PressPoint(25, 25);
 248   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 249   filter()->WaitForAck(WebInputEvent::TouchStart);
 250   EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
 251             filter()->last_ack_state());
 252
 253   touch.PressPoint(25, 125);
 254   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
 255   filter()->WaitForAck(WebInputEvent::TouchStart);
 256   EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter()->last_ack_state());
 257 }
 258
 259 }  // namespace content