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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "build/build_config.h"
#include "chrome/browser/ui/views/test/view_event_test_base.h"
#include "chrome/test/base/testing_profile.h"
#include "ui/aura/env.h"
#include "ui/aura/test/env_test_helper.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
#include "ui/base/test/ui_controls.h"
#include "ui/events/gestures/gesture_recognizer_impl.h"
#include "ui/menus/simple_menu_model.h"
#include "ui/views/controls/menu/menu_runner.h"
namespace {
class TouchEventHandler : public ui::EventHandler {
public:
TouchEventHandler()
: call_depth_(0),
max_call_depth_(0),
num_touch_presses_(0),
num_pointers_down_(0),
recursion_enabled_(false) {}
TouchEventHandler(const TouchEventHandler&) = delete;
TouchEventHandler& operator=(const TouchEventHandler&) = delete;
~TouchEventHandler() override = default;
// OnTouchEvent will simulate a second touch event (at |touch_point|) to force
// recursion in event handling.
void ForceRecursionInEventHandler(const gfx::Point& touch_point) {
recursion_enabled_ = true;
touch_point_ = touch_point;
}
void WaitForIdle() {
base::RunLoop run_loop(base::RunLoop::Type::kNestableTasksAllowed);
run_loop.RunUntilIdle();
}
void WaitForEvents() {
base::RunLoop run_loop(base::RunLoop::Type::kNestableTasksAllowed);
quit_closure_ = run_loop.QuitClosure();
run_loop.Run();
}
int max_call_depth() const { return max_call_depth_; }
int num_touch_presses() const { return num_touch_presses_; }
int num_pointers_down() const { return num_pointers_down_; }
void set_touch_point(const gfx::Point& pt) { touch_point_ = pt; }
private:
// ui::EventHandler:
void OnTouchEvent(ui::TouchEvent* event) override {
max_call_depth_ = std::max(++call_depth_, max_call_depth_);
if (recursion_enabled_ &&
(event->type() == ui::EventType::kTouchReleased)) {
recursion_enabled_ = false;
ui_controls::SendTouchEvents(ui_controls::kTouchPress, 1,
touch_point_.x(), touch_point_.y());
WaitForIdle();
}
switch (event->type()) {
case ui::EventType::kTouchPressed:
num_touch_presses_++;
num_pointers_down_++;
break;
case ui::EventType::kTouchReleased:
num_pointers_down_--;
if (!quit_closure_.is_null() && num_pointers_down_ == 0) {
quit_closure_.Run();
}
break;
default:
break;
}
--call_depth_;
}
int call_depth_;
int max_call_depth_;
int num_touch_presses_;
int num_pointers_down_;
base::RepeatingClosure quit_closure_;
bool recursion_enabled_;
gfx::Point touch_point_;
};
class TestingGestureRecognizer : public ui::GestureRecognizerImpl {
public:
TestingGestureRecognizer() = default;
TestingGestureRecognizer(const TestingGestureRecognizer&) = delete;
TestingGestureRecognizer& operator=(const TestingGestureRecognizer&) = delete;
~TestingGestureRecognizer() override = default;
int num_touch_press_events() const { return num_touch_press_events_; }
int num_touch_release_events() const { return num_touch_release_events_; }
protected:
// Overriden from GestureRecognizerImpl:
bool ProcessTouchEventPreDispatch(ui::TouchEvent* event,
ui::GestureConsumer* consumer) override {
switch (event->type()) {
case ui::EventType::kTouchPressed:
num_touch_press_events_++;
break;
case ui::EventType::kTouchReleased:
num_touch_release_events_++;
break;
default:
break;
}
return ui::GestureRecognizerImpl::ProcessTouchEventPreDispatch(event,
consumer);
}
private:
int num_touch_press_events_ = 0;
int num_touch_release_events_ = 0;
};
} // namespace
class TouchEventsViewTest : public ViewEventTestBase {
public:
TouchEventsViewTest() = default;
TouchEventsViewTest(const TouchEventsViewTest&) = delete;
TouchEventsViewTest& operator=(const TouchEventsViewTest&) = delete;
// ViewEventTestBase:
void SetUp() override {
ViewEventTestBase::SetUp();
auto gesture_recognizer = std::make_unique<TestingGestureRecognizer>();
gesture_recognizer_ = gesture_recognizer.get();
aura::test::EnvTestHelper().SetGestureRecognizer(
std::move(gesture_recognizer));
}
std::unique_ptr<views::View> CreateContentsView() override {
auto touch_view = std::make_unique<views::View>();
touch_view_ = touch_view.get();
return touch_view;
}
gfx::Size GetPreferredSizeForContents() const override {
return gfx::Size(600, 600);
}
void DoTestOnMessageLoop() override {
const int touch_pointer_count = 3;
TouchEventHandler touch_event_handler;
window()->GetNativeWindow()->GetHost()->window()->AddPreTargetHandler(
&touch_event_handler);
gfx::Point in_content(touch_view_->width() / 2, touch_view_->height() / 2);
views::View::ConvertPointToScreen(touch_view_, &in_content);
ASSERT_TRUE(ui_controls::SendTouchEvents(ui_controls::kTouchPress,
touch_pointer_count,
in_content.x(), in_content.y()));
touch_event_handler.WaitForIdle();
touch_event_handler.WaitForEvents();
EXPECT_EQ(touch_pointer_count, touch_event_handler.num_touch_presses());
EXPECT_EQ(0, touch_event_handler.num_pointers_down());
EXPECT_EQ(touch_pointer_count,
gesture_recognizer_->num_touch_press_events());
EXPECT_EQ(touch_pointer_count,
gesture_recognizer_->num_touch_release_events());
window()->GetNativeWindow()->GetHost()->window()->RemovePreTargetHandler(
&touch_event_handler);
Done();
}
protected:
raw_ptr<views::View> touch_view_ = nullptr;
raw_ptr<TestingGestureRecognizer> gesture_recognizer_ = nullptr;
raw_ptr<ui::GestureRecognizer> initial_gr_ = nullptr;
};
#if BUILDFLAG(IS_WIN) // Fails on latest versions of Windows.
// https://crbug.com/1108551.
#define MAYBE_CheckWindowsNativeMessageForTouchEvents \
DISABLED_CheckWindowsNativeMessageForTouchEvents
#else
#define MAYBE_CheckWindowsNativeMessageForTouchEvents \
CheckWindowsNativeMessageForTouchEvents
#endif
VIEW_TEST(TouchEventsViewTest, MAYBE_CheckWindowsNativeMessageForTouchEvents)
class TouchEventsRecursiveViewTest : public TouchEventsViewTest {
public:
TouchEventsRecursiveViewTest() = default;
TouchEventsRecursiveViewTest(const TouchEventsRecursiveViewTest&) = delete;
TouchEventsRecursiveViewTest& operator=(const TouchEventsRecursiveViewTest&) =
delete;
void DoTestOnMessageLoop() override {
const int touch_pointer_count = 1;
TouchEventHandler touch_event_handler;
window()->GetNativeWindow()->GetHost()->window()->AddPreTargetHandler(
&touch_event_handler);
gfx::Point in_content(touch_view_->width() / 2, touch_view_->height() / 2);
views::View::ConvertPointToScreen(touch_view_, &in_content);
touch_event_handler.ForceRecursionInEventHandler(in_content);
ASSERT_TRUE(ui_controls::SendTouchEvents(ui_controls::kTouchPress,
touch_pointer_count,
in_content.x(), in_content.y()));
touch_event_handler.WaitForEvents();
EXPECT_EQ(touch_pointer_count + 1, touch_event_handler.num_touch_presses());
EXPECT_EQ(0, touch_event_handler.num_pointers_down());
EXPECT_EQ(2, touch_event_handler.max_call_depth());
window()->GetNativeWindow()->GetHost()->window()->RemovePreTargetHandler(
&touch_event_handler);
Done();
}
};
#if BUILDFLAG(IS_WIN) // Fails on latest versions of Windows.
// https://crbug.com/1108551.
#define MAYBE_CheckWindowsRecursiveHandler DISABLED_CheckWindowsRecursiveHandler
#else
#define MAYBE_CheckWindowsRecursiveHandler CheckWindowsRecursiveHandler
#endif
VIEW_TEST(TouchEventsRecursiveViewTest, MAYBE_CheckWindowsRecursiveHandler)
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