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- // Copyright 2018 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 "chromecast/browser/cast_touch_device_manager.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "ui/events/devices/device_data_manager.h"
- #include "ui/events/devices/device_hotplug_event_observer.h"
- #include "ui/gfx/geometry/rect.h"
- namespace {
- constexpr int64_t kDisplayId = 1;
- constexpr int kTouchDeviceId = 100;
- } // namespace
- class CastTouchDeviceManagerTest : public testing::Test {
- public:
- CastTouchDeviceManagerTest() {}
- void SetUp() override {
- ui::DeviceDataManager::CreateInstance();
- touch_device_manager_ =
- std::make_unique<chromecast::shell::CastTouchDeviceManager>();
- }
- void TearDown() override {
- touch_device_manager_.reset();
- ui::DeviceDataManager::DeleteInstance();
- }
- ui::DeviceHotplugEventObserver* GetHotplugObserver() {
- return ui::DeviceDataManager::GetInstance();
- }
- protected:
- std::unique_ptr<chromecast::shell::CastTouchDeviceManager>
- touch_device_manager_;
- };
- TEST_F(CastTouchDeviceManagerTest, CheckOneToOneMapping) {
- std::vector<ui::TouchscreenDevice> touchscreens;
- const gfx::Size display_size = gfx::Size(1280, 720);
- touch_device_manager_->OnDisplayConfigured(
- kDisplayId, display::Display::ROTATE_0, gfx::Rect(display_size));
- touchscreens.push_back(ui::TouchscreenDevice(kTouchDeviceId,
- ui::INPUT_DEVICE_INTERNAL,
- "Touchscreen", display_size, 1));
- GetHotplugObserver()->OnTouchscreenDevicesUpdated(touchscreens);
- // 1:1 mapping for touch coordinates to display coordinates.
- {
- float x = display_size.width(), y = display_size.height();
- ui::DeviceDataManager::GetInstance()->ApplyTouchTransformer(kTouchDeviceId,
- &x, &y);
- EXPECT_EQ(display_size.width(), x);
- EXPECT_EQ(display_size.height(), y);
- }
- {
- float x = display_size.width(), y = 0;
- ui::DeviceDataManager::GetInstance()->ApplyTouchTransformer(kTouchDeviceId,
- &x, &y);
- EXPECT_EQ(display_size.width(), x);
- EXPECT_EQ(0, y);
- }
- {
- float x = 0, y = display_size.height();
- ui::DeviceDataManager::GetInstance()->ApplyTouchTransformer(kTouchDeviceId,
- &x, &y);
- EXPECT_EQ(0, x);
- EXPECT_EQ(display_size.height(), y);
- }
- {
- float x = display_size.width() / 2, y = display_size.height() / 2;
- ui::DeviceDataManager::GetInstance()->ApplyTouchTransformer(1, &x, &y);
- EXPECT_EQ(display_size.width() / 2, x);
- EXPECT_EQ(display_size.height() / 2, y);
- }
- }
- TEST_F(CastTouchDeviceManagerTest, CheckMappingWithLargerTouchscreen) {
- std::vector<ui::TouchscreenDevice> touchscreens;
- const gfx::Size display_size = gfx::Size(1280, 720);
- touch_device_manager_->OnDisplayConfigured(
- kDisplayId, display::Display::ROTATE_0, gfx::Rect(display_size));
- touchscreens.push_back(ui::TouchscreenDevice(
- kTouchDeviceId, ui::INPUT_DEVICE_INTERNAL, "Touchscreen",
- gfx::ScaleToRoundedSize(display_size, 2, 2), 1));
- GetHotplugObserver()->OnTouchscreenDevicesUpdated(touchscreens);
- // Touch screen is twice the size, so transformed events will be half the
- // reported value.
- {
- float x = display_size.width(), y = display_size.height();
- ui::DeviceDataManager::GetInstance()->ApplyTouchTransformer(kTouchDeviceId,
- &x, &y);
- EXPECT_EQ(display_size.width() / 2, x);
- EXPECT_EQ(display_size.height() / 2, y);
- }
- {
- float x = display_size.width(), y = 0;
- ui::DeviceDataManager::GetInstance()->ApplyTouchTransformer(kTouchDeviceId,
- &x, &y);
- EXPECT_EQ(display_size.width() / 2, x);
- EXPECT_EQ(0, y);
- }
- {
- float x = 0, y = display_size.height();
- ui::DeviceDataManager::GetInstance()->ApplyTouchTransformer(kTouchDeviceId,
- &x, &y);
- EXPECT_EQ(0, x);
- EXPECT_EQ(display_size.height() / 2, y);
- }
- {
- float x = display_size.width() / 2, y = display_size.height() / 2;
- ui::DeviceDataManager::GetInstance()->ApplyTouchTransformer(kTouchDeviceId,
- &x, &y);
- EXPECT_EQ(display_size.width() / 4, x);
- EXPECT_EQ(display_size.height() / 4, y);
- }
- }
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