| // Copyright 2014 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 "ui/views/event_monitor.h" |
| |
| #include "base/macros.h" |
| #include "ui/events/test/event_generator.h" |
| #include "ui/events/test/test_event_handler.h" |
| #include "ui/views/test/widget_test.h" |
| |
| namespace views { |
| namespace test { |
| |
| class EventMonitorTest : public WidgetTest { |
| public: |
| EventMonitorTest() : widget_(nullptr) {} |
| |
| // testing::Test: |
| void SetUp() override { |
| WidgetTest::SetUp(); |
| widget_ = CreateTopLevelNativeWidget(); |
| widget_->SetSize(gfx::Size(100, 100)); |
| widget_->Show(); |
| if (IsMus()) { |
| generator_.reset( |
| new ui::test::EventGenerator(widget_->GetNativeWindow())); |
| } else { |
| generator_.reset(new ui::test::EventGenerator( |
| GetContext(), widget_->GetNativeWindow())); |
| } |
| generator_->set_target(ui::test::EventGenerator::Target::APPLICATION); |
| } |
| void TearDown() override { |
| widget_->CloseNow(); |
| WidgetTest::TearDown(); |
| } |
| |
| protected: |
| Widget* widget_; |
| std::unique_ptr<ui::test::EventGenerator> generator_; |
| ui::test::TestEventHandler handler_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(EventMonitorTest); |
| }; |
| |
| TEST_F(EventMonitorTest, ShouldReceiveAppEventsWhileInstalled) { |
| std::unique_ptr<EventMonitor> monitor(EventMonitor::CreateApplicationMonitor( |
| &handler_, widget_->GetNativeWindow())); |
| |
| generator_->ClickLeftButton(); |
| EXPECT_EQ(2, handler_.num_mouse_events()); |
| |
| monitor.reset(); |
| generator_->ClickLeftButton(); |
| EXPECT_EQ(2, handler_.num_mouse_events()); |
| } |
| |
| TEST_F(EventMonitorTest, ShouldReceiveWindowEventsWhileInstalled) { |
| std::unique_ptr<EventMonitor> monitor( |
| EventMonitor::CreateWindowMonitor(&handler_, widget_->GetNativeWindow())); |
| |
| generator_->ClickLeftButton(); |
| EXPECT_EQ(2, handler_.num_mouse_events()); |
| |
| monitor.reset(); |
| generator_->ClickLeftButton(); |
| EXPECT_EQ(2, handler_.num_mouse_events()); |
| } |
| |
| TEST_F(EventMonitorTest, ShouldNotReceiveEventsFromOtherWindow) { |
| Widget* widget2 = CreateTopLevelNativeWidget(); |
| std::unique_ptr<EventMonitor> monitor( |
| EventMonitor::CreateWindowMonitor(&handler_, widget2->GetNativeWindow())); |
| |
| generator_->ClickLeftButton(); |
| EXPECT_EQ(0, handler_.num_mouse_events()); |
| |
| monitor.reset(); |
| widget2->CloseNow(); |
| } |
| |
| namespace { |
| class DeleteOtherOnEventHandler : public ui::EventHandler { |
| public: |
| explicit DeleteOtherOnEventHandler(gfx::NativeWindow context) { |
| monitor_ = EventMonitor::CreateApplicationMonitor(this, context); |
| } |
| |
| bool DidDelete() const { return !handler_to_delete_; } |
| |
| void set_monitor_to_delete( |
| std::unique_ptr<DeleteOtherOnEventHandler> handler_to_delete) { |
| handler_to_delete_ = std::move(handler_to_delete); |
| } |
| |
| // EventHandler:: |
| void OnMouseEvent(ui::MouseEvent* event) override { |
| handler_to_delete_ = nullptr; |
| } |
| |
| private: |
| std::unique_ptr<EventMonitor> monitor_; |
| std::unique_ptr<DeleteOtherOnEventHandler> handler_to_delete_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DeleteOtherOnEventHandler); |
| }; |
| } // namespace |
| |
| // Ensure correct behavior when an event monitor is removed while iterating |
| // over the OS-controlled observer list. |
| TEST_F(EventMonitorTest, TwoMonitors) { |
| auto deleter = |
| std::make_unique<DeleteOtherOnEventHandler>(widget_->GetNativeWindow()); |
| deleter->set_monitor_to_delete( |
| std::make_unique<DeleteOtherOnEventHandler>(widget_->GetNativeWindow())); |
| |
| EXPECT_FALSE(deleter->DidDelete()); |
| generator_->PressLeftButton(); |
| EXPECT_TRUE(deleter->DidDelete()); |
| |
| // Now try setting up observers in the alternate order. |
| auto deletee = |
| std::make_unique<DeleteOtherOnEventHandler>(widget_->GetNativeWindow()); |
| deleter = |
| std::make_unique<DeleteOtherOnEventHandler>(widget_->GetNativeWindow()); |
| deleter->set_monitor_to_delete(std::move(deletee)); |
| |
| EXPECT_FALSE(deleter->DidDelete()); |
| generator_->ReleaseLeftButton(); |
| EXPECT_TRUE(deleter->DidDelete()); |
| } |
| |
| } // namespace test |
| } // namespace views |