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// Copyright 2017 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/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "services/ws/public/mojom/constants.mojom.h"
#include "services/ws/public/mojom/event_injector.mojom.h"
#include "services/ws/public/mojom/window_server_test.mojom.h"
#include "services/ws/public/mojom/window_tree_constants.mojom.h"
#include "ui/aura/mus/in_flight_change.h"
#include "ui/aura/mus/window_tree_client.h"
#include "ui/aura/mus/window_tree_host_mus.h"
#include "ui/aura/test/mus/change_completion_waiter.h"
#include "ui/events/event.h"
#include "ui/events/event_utils.h"
#include "ui/views/mus/mus_client.h"
#include "ui/views/test/widget_test.h"
#include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
#include "ui/views/widget/widget.h"
namespace views {
namespace test {
namespace {
// A view used in DragTestInteractive.DragTest as a drag source.
class DraggableView : public views::View {
public:
DraggableView() {}
~DraggableView() override {}
// views::View overrides:
int GetDragOperations(const gfx::Point& press_pt) override {
return ui::DragDropTypes::DRAG_MOVE;
}
void WriteDragData(const gfx::Point& press_pt,
OSExchangeData* data) override {
data->SetString(base::UTF8ToUTF16("test"));
}
private:
DISALLOW_COPY_AND_ASSIGN(DraggableView);
};
// A view used in DragTestInteractive.DragTest as a drop target.
class TargetView : public views::View {
public:
TargetView() : dropped_(false) {}
~TargetView() override {}
void WaitForDropped(base::Closure quit_closure) {
if (dropped_) {
quit_closure.Run();
return;
}
quit_closure_ = quit_closure;
}
// views::View overrides:
bool GetDropFormats(
int* formats,
std::set<ui::Clipboard::FormatType>* format_types) override {
*formats = ui::OSExchangeData::STRING;
return true;
}
bool AreDropTypesRequired() override { return false; }
bool CanDrop(const OSExchangeData& data) override { return true; }
int OnDragUpdated(const ui::DropTargetEvent& event) override {
return ui::DragDropTypes::DRAG_MOVE;
}
int OnPerformDrop(const ui::DropTargetEvent& event) override {
dropped_ = true;
if (quit_closure_)
quit_closure_.Run();
return ui::DragDropTypes::DRAG_MOVE;
}
bool dropped() const { return dropped_; }
private:
bool dropped_;
base::Closure quit_closure_;
DISALLOW_COPY_AND_ASSIGN(TargetView);
};
std::unique_ptr<ui::MouseEvent> CreateMouseMoveEvent(int x, int y) {
return std::make_unique<ui::MouseEvent>(
ui::ET_MOUSE_MOVED, gfx::Point(x, y), gfx::Point(x, y),
ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON, ui::EF_NONE);
}
std::unique_ptr<ui::MouseEvent> CreateMouseDownEvent(int x, int y) {
return std::make_unique<ui::MouseEvent>(
ui::ET_MOUSE_PRESSED, gfx::Point(x, y), gfx::Point(x, y),
ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON);
}
std::unique_ptr<ui::MouseEvent> CreateMouseUpEvent(int x, int y) {
return std::make_unique<ui::MouseEvent>(
ui::ET_MOUSE_RELEASED, gfx::Point(x, y), gfx::Point(x, y),
ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON);
}
} // namespace
using DragTestInteractive = WidgetTest;
// Dispatch of events is asynchronous so most of DragTestInteractive.DragTest
// consists of callback functions which will perform an action after the
// previous action has completed.
void DragTest_Part3(int64_t display_id,
const base::Closure& quit_closure,
bool result) {
EXPECT_TRUE(result);
quit_closure.Run();
}
void DragTest_Part2(ws::mojom::EventInjector* event_injector,
int64_t display_id,
const base::Closure& quit_closure,
bool result) {
EXPECT_TRUE(result);
if (!result)
quit_closure.Run();
event_injector->InjectEvent(
display_id, CreateMouseUpEvent(30, 30),
base::BindOnce(&DragTest_Part3, display_id, quit_closure));
}
void DragTest_Part1(ws::mojom::EventInjector* event_injector,
int64_t display_id,
const base::Closure& quit_closure,
bool result) {
EXPECT_TRUE(result);
if (!result)
quit_closure.Run();
event_injector->InjectEvent(
display_id, CreateMouseMoveEvent(30, 30),
base::BindOnce(&DragTest_Part2, base::Unretained(event_injector),
display_id, quit_closure));
}
TEST_F(DragTestInteractive, DragTest) {
ws::mojom::EventInjectorPtr event_injector;
MusClient::Get()->window_tree_client()->connector()->BindInterface(
ws::mojom::kServiceName, &event_injector);
Widget* source_widget = CreateTopLevelFramelessPlatformWidget();
View* source_view = new DraggableView;
source_widget->SetContentsView(source_view);
source_widget->Show();
aura::test::ChangeCompletionWaiter source_waiter(aura::ChangeType::BOUNDS,
false);
source_widget->SetBounds(gfx::Rect(0, 0, 20, 20));
ASSERT_TRUE(source_waiter.Wait());
Widget* target_widget = CreateTopLevelFramelessPlatformWidget();
TargetView* target_view = new TargetView;
target_widget->SetContentsView(target_view);
target_widget->Show();
aura::test::ChangeCompletionWaiter target_waiter(aura::ChangeType::BOUNDS,
false);
target_widget->SetBounds(gfx::Rect(20, 20, 20, 20));
ASSERT_TRUE(target_waiter.Wait());
auto* dnwa =
static_cast<DesktopNativeWidgetAura*>(source_widget->native_widget());
ASSERT_TRUE(dnwa);
auto* wth = static_cast<aura::WindowTreeHostMus*>(dnwa->host());
ASSERT_TRUE(wth);
int64_t display_id = wth->display_id();
{
base::RunLoop run_loop;
event_injector->InjectEvent(
display_id, CreateMouseDownEvent(10, 10),
base::BindOnce(&DragTest_Part1, base::Unretained(event_injector.get()),
display_id, run_loop.QuitClosure()));
run_loop.Run();
}
// Wait for the event dispatch to cause the final drop signal.
{
base::RunLoop run_loop;
target_view->WaitForDropped(run_loop.QuitClosure());
run_loop.Run();
}
EXPECT_TRUE(target_view->dropped());
target_widget->Close();
source_widget->Close();
RunPendingMessages();
}
} // namespace test
} // namespace views
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