// 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,"
#if defined(OS_ANDROID)
""
""
""
#endif
""
""
""
"";
} // 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 reset_quit(&quit_, run_loop.QuitClosure());
base::AutoReset reset_type(&type_, type);
run_loop.Run();
}
InputEventAckState last_ack_state() const { return state_; }
protected:
~InputEventMessageFilter() override {}
private:
void ReceivedEventAck(WebInputEvent::Type type, InputEventAckState state) {
if (type_ == type) {
state_ = state;
quit_.Run();
}
}
// BrowserMessageFilter:
bool OnMessageReceived(const IPC::Message& message) override {
if (message.type() == InputHostMsg_HandleInputEvent_ACK::ID) {
InputHostMsg_HandleInputEvent_ACK::Param params;
InputHostMsg_HandleInputEvent_ACK::Read(&message, ¶ms);
WebInputEvent::Type type = get<0>(params).type;
InputEventAckState ack = get<0>(params).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() {}
~TouchInputBrowserTest() override {}
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(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_.get());
}
void SetUpCommandLine(base::CommandLine* cmd) override {
cmd->AppendSwitchASCII(switches::kTouchEvents,
switches::kTouchEventsEnabled);
}
scoped_refptr 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);
EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
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);
EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS,
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