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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <array>
#include <tuple>
#include <utility>
#include "base/auto_reset.h"
#include "base/command_line.h"
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "components/input/render_widget_host_input_event_router.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_smooth_scroll_gesture.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.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/hit_test_region_observer.h"
#include "content/public/test/test_utils.h"
#include "content/shell/browser/shell.h"
#include "third_party/blink/public/common/input/synthetic_web_input_event_builders.h"
#include "third_party/blink/public/common/input/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(const MainThreadEventQueueBrowserTest&) =
delete;
MainThreadEventQueueBrowserTest& operator=(
const MainThreadEventQueueBrowserTest&) = delete;
~MainThreadEventQueueBrowserTest() override {}
RenderWidgetHostImpl* GetWidgetHost() {
return RenderWidgetHostImpl::From(shell()
->web_contents()
->GetPrimaryMainFrame()
->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);
EXPECT_TRUE(NavigateToURL(shell(), data_url));
RenderWidgetHostImpl* host = GetWidgetHost();
host->GetView()->SetSize(gfx::Size(400, 400));
std::u16string ready_title(u"ready");
TitleWatcher watcher(shell()->web_contents(), ready_title);
std::ignore = watcher.WaitAndGetTitle();
HitTestRegionObserver observer(host->GetFrameSinkId());
observer.WaitForHitTestData();
}
void DoMouseMove() {
// Send a click event to cause some jankiness. This is done via a click
// event as ExecJs is synchronous.
SimulateMouseClick(shell()->web_contents(), 0,
blink::WebPointerProperties::Button::kLeft);
auto input_msg_watcher = std::make_unique<InputMsgWatcher>(
GetWidgetHost(), blink::WebInputEvent::Type::kMouseMove);
GetWidgetHost()->ForwardMouseEvent(
blink::SyntheticWebMouseEventBuilder::Build(
blink::WebInputEvent::Type::kMouseMove, 10, 10, 0));
GetWidgetHost()->ForwardMouseEvent(
blink::SyntheticWebMouseEventBuilder::Build(
blink::WebInputEvent::Type::kMouseMove, 15, 15, 0));
GetWidgetHost()->ForwardMouseEvent(
blink::SyntheticWebMouseEventBuilder::Build(
blink::WebInputEvent::Type::kMouseMove, 20, 25, 0));
// Runs until we get the InputMsgAck callback.
EXPECT_EQ(blink::mojom::InputEventResultState::kConsumed,
input_msg_watcher->WaitForAck());
EXPECT_EQ(blink::mojom::InputEventResultSource::kMainThread,
static_cast<blink::mojom::InputEventResultSource>(
input_msg_watcher->last_event_ack_source()));
int mouse_move_count = 0;
while (mouse_move_count <= 0)
mouse_move_count = EvalJs(shell(), "window.mouseMoveCount").ExtractInt();
EXPECT_EQ(1, mouse_move_count);
EXPECT_EQ(20, EvalJs(shell(), "window.lastMouseMoveEvent.x"));
EXPECT_EQ(25, EvalJs(shell(), "window.lastMouseMoveEvent.y"));
}
void DoTouchMove() {
std::array<blink::SyntheticWebTouchEvent, 4> events;
events[0].PressPoint(10, 10);
events[1].PressPoint(10, 10);
events[1].MovePoint(0, 20, 20);
events[2].PressPoint(10, 10);
events[2].MovePoint(0, 30, 30);
events[3].PressPoint(10, 10);
events[3].MovePoint(0, 35, 40);
// Send a click event to cause some jankiness. This is done via a click
// event as ExecJs is synchronous.
SimulateMouseClick(shell()->web_contents(), 0,
blink::WebPointerProperties::Button::kLeft);
auto input_msg_watcher = std::make_unique<InputMsgWatcher>(
GetWidgetHost(), blink::WebInputEvent::Type::kTouchMove);
auto* root_view = GetWidgetHost()->GetView();
auto* input_event_router =
GetWidgetHost()->delegate()->GetInputEventRouter();
for (auto& event : events)
input_event_router->RouteTouchEvent(root_view, &event, ui::LatencyInfo());
// Runs until we get the InputMsgAck callback.
EXPECT_EQ(blink::mojom::InputEventResultState::kSetNonBlocking,
input_msg_watcher->WaitForAck());
EXPECT_EQ(blink::mojom::InputEventResultSource::kCompositorThread,
static_cast<blink::mojom::InputEventResultSource>(
input_msg_watcher->last_event_ack_source()));
int touch_move_count = 0;
while (touch_move_count <= 0)
touch_move_count = EvalJs(shell(), "window.touchMoveCount").ExtractInt();
EXPECT_EQ(1, touch_move_count);
EXPECT_EQ(35,
EvalJs(shell(), "window.lastTouchMoveEvent.touches[0].pageX"));
EXPECT_EQ(40,
EvalJs(shell(), "window.lastTouchMoveEvent.touches[0].pageY"));
}
};
// Disabled due to flaky test results on Windows (https://crbug.com/805666) and
// Linux (https://crbug.com/1406591).
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX)
#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 BUILDFLAG(IS_MAC)
#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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