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// Copyright 2016 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 <utility>
#include "base/auto_reset.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_base.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/render_view_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/test_utils.h"
#include "content/shell/browser/shell.h"
#include "third_party/blink/public/platform/web_input_event.h"
#include "ui/events/event_switches.h"
#include "ui/latency/latency_info.h"
using blink::WebInputEvent;
namespace {
const char kJankyPageURL[] =
"data:text/html;charset=utf-8,"
"<!DOCTYPE html>"
"<meta name='viewport' content='width=device-width'/>"
"<style>"
"html, body {"
" margin: 0;"
"}"
".spacer { height: 10000px; }"
"</style>"
"<div class=spacer></div>"
"<script>"
" function jank(millis)"
" {"
" var end = performance.now() + millis;"
" while(performance.now() < end) {};"
" window.mouseMoveCount = 0;"
" window.touchMoveCount = 0;"
" }"
" window.mouseMoveCount = 0;"
" window.touchMoveCount = 0;"
" document.addEventListener('mousemove', function(e) {"
" window.mouseMoveCount++;"
" window.lastMouseMoveEvent = e;"
" });"
" document.addEventListener('touchmove', function (e) {"
" window.touchMoveCount++;"
" window.lastTouchMoveEvent = e;"
" }, {passive: true});"
" document.addEventListener('click', function(e) { jank(500); });"
" document.title='ready';"
"</script>";
} // namespace
namespace content {
class MainThreadEventQueueBrowserTest : public ContentBrowserTest {
public:
MainThreadEventQueueBrowserTest() {}
~MainThreadEventQueueBrowserTest() override {}
RenderWidgetHostImpl* GetWidgetHost() {
return RenderWidgetHostImpl::From(
shell()->web_contents()->GetRenderViewHost()->GetWidget());
}
void OnSyntheticGestureCompleted(SyntheticGesture::Result result) {
EXPECT_EQ(SyntheticGesture::GESTURE_FINISHED, result);
}
protected:
void LoadURL(const char* page_data) {
const GURL data_url(page_data);
NavigateToURL(shell(), data_url);
RenderWidgetHostImpl* host = GetWidgetHost();
host->GetView()->SetSize(gfx::Size(400, 400));
base::string16 ready_title(base::ASCIIToUTF16("ready"));
TitleWatcher watcher(shell()->web_contents(), ready_title);
ignore_result(watcher.WaitAndGetTitle());
MainThreadFrameObserver main_thread_sync(host);
main_thread_sync.Wait();
}
int ExecuteScriptAndExtractInt(const std::string& script) {
int value = 0;
EXPECT_TRUE(content::ExecuteScriptAndExtractInt(
shell(), "domAutomationController.send(" + script + ")", &value));
return value;
}
void DoMouseMove() {
// Send a click event to cause some jankiness. This is done via a click
// event as ExecuteScript is synchronous.
SimulateMouseClick(shell()->web_contents(), 0,
blink::WebPointerProperties::Button::kLeft);
auto input_msg_watcher = std::make_unique<InputMsgWatcher>(
GetWidgetHost(), blink::WebInputEvent::kMouseMove);
GetWidgetHost()->ForwardMouseEvent(SyntheticWebMouseEventBuilder::Build(
blink::WebInputEvent::kMouseMove, 10, 10, 0));
GetWidgetHost()->ForwardMouseEvent(SyntheticWebMouseEventBuilder::Build(
blink::WebInputEvent::kMouseMove, 15, 15, 0));
GetWidgetHost()->ForwardMouseEvent(SyntheticWebMouseEventBuilder::Build(
blink::WebInputEvent::kMouseMove, 20, 25, 0));
// Runs until we get the InputMsgAck callback.
EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, input_msg_watcher->WaitForAck());
EXPECT_EQ(InputEventAckSource::MAIN_THREAD,
static_cast<InputEventAckSource>(
input_msg_watcher->last_event_ack_source()));
int mouse_move_count = 0;
while (mouse_move_count <= 0)
mouse_move_count = ExecuteScriptAndExtractInt("window.mouseMoveCount");
EXPECT_EQ(1, mouse_move_count);
int last_mouse_x =
ExecuteScriptAndExtractInt("window.lastMouseMoveEvent.x");
int last_mouse_y =
ExecuteScriptAndExtractInt("window.lastMouseMoveEvent.y");
EXPECT_EQ(20, last_mouse_x);
EXPECT_EQ(25, last_mouse_y);
}
void DoTouchMove() {
SyntheticWebTouchEvent kEvents[4];
kEvents[0].PressPoint(10, 10);
kEvents[1].PressPoint(10, 10);
kEvents[1].MovePoint(0, 20, 20);
kEvents[2].PressPoint(10, 10);
kEvents[2].MovePoint(0, 30, 30);
kEvents[3].PressPoint(10, 10);
kEvents[3].MovePoint(0, 35, 40);
// Send a click event to cause some jankiness. This is done via a click
// event as ExecuteScript is synchronous.
SimulateMouseClick(shell()->web_contents(), 0,
blink::WebPointerProperties::Button::kLeft);
auto input_msg_watcher = std::make_unique<InputMsgWatcher>(
GetWidgetHost(), blink::WebInputEvent::kTouchMove);
for (const auto& event : kEvents)
GetWidgetHost()->ForwardEmulatedTouchEvent(event, nullptr);
// Runs until we get the InputMsgAck callback.
EXPECT_EQ(INPUT_EVENT_ACK_STATE_SET_NON_BLOCKING,
input_msg_watcher->WaitForAck());
EXPECT_EQ(InputEventAckSource::COMPOSITOR_THREAD,
static_cast<InputEventAckSource>(
input_msg_watcher->last_event_ack_source()));
int touch_move_count = 0;
while (touch_move_count <= 0)
touch_move_count = ExecuteScriptAndExtractInt("window.touchMoveCount");
EXPECT_EQ(1, touch_move_count);
int last_touch_x = ExecuteScriptAndExtractInt(
"window.lastTouchMoveEvent.touches[0].pageX");
int last_touch_y = ExecuteScriptAndExtractInt(
"window.lastTouchMoveEvent.touches[0].pageY");
EXPECT_EQ(35, last_touch_x);
EXPECT_EQ(40, last_touch_y);
}
private:
DISALLOW_COPY_AND_ASSIGN(MainThreadEventQueueBrowserTest);
};
// Disabled due to flaky test results: crbug.com/805666.
#if defined(OS_WIN)
#define MAYBE_MouseMove DISABLED_MouseMove
#else
#define MAYBE_MouseMove MouseMove
#endif
IN_PROC_BROWSER_TEST_F(MainThreadEventQueueBrowserTest, MAYBE_MouseMove) {
LoadURL(kJankyPageURL);
DoMouseMove();
}
// Disabled on MacOS because it doesn't support touch input.
#if defined(OS_MACOSX)
#define MAYBE_TouchMove DISABLED_TouchMove
#else
#define MAYBE_TouchMove TouchMove
#endif
IN_PROC_BROWSER_TEST_F(MainThreadEventQueueBrowserTest, MAYBE_TouchMove) {
LoadURL(kJankyPageURL);
DoTouchMove();
}
} // namespace content
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