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// 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 "ash/touch/touch_transformer_controller.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "ui/aura/window_tree_host.h"
#include "ui/events/device_data_manager.h"
#include "ui/events/test/events_test_utils_x11.h"
#include "ui/gfx/display.h"
namespace ash {
namespace {
DisplayInfo CreateDisplayInfo(int64 id,
unsigned int touch_device_id,
const gfx::Rect& bounds) {
DisplayInfo info(id, std::string(), false);
info.SetBounds(bounds);
info.set_touch_device_id(touch_device_id);
return info;
}
} // namespace
typedef test::AshTestBase TouchTransformerControllerTest;
TEST_F(TouchTransformerControllerTest, TouchTransformerMirrorModeLetterboxing) {
// The internal display has native resolution of 2560x1700, and in
// mirror mode it is configured as 1920x1200. This is in letterboxing
// mode.
DisplayInfo internal_display_info =
CreateDisplayInfo(1, 10u, gfx::Rect(0, 0, 1920, 1200));
std::vector<DisplayMode> internal_modes;
internal_modes.push_back(
DisplayMode(gfx::Size(2560, 1700), 60, false, true));
internal_modes.push_back(
DisplayMode(gfx::Size(1920, 1200), 60, false, false));
internal_display_info.set_display_modes(internal_modes);
DisplayInfo external_display_info =
CreateDisplayInfo(2, 11u, gfx::Rect(0, 0, 1920, 1200));
TouchTransformerController* tt_controller =
Shell::GetInstance()->touch_transformer_controller();
ui::DeviceDataManager* device_manager = ui::DeviceDataManager::GetInstance();
tt_controller->force_compute_mirror_mode_touch_transformer_ = true;
device_manager->UpdateTouchInfoForDisplay(
internal_display_info.id(),
internal_display_info.touch_device_id(),
tt_controller->GetMirrorModeTouchTransformer(internal_display_info));
tt_controller->force_compute_mirror_mode_touch_transformer_ = false;
device_manager->UpdateTouchInfoForDisplay(
external_display_info.id(),
external_display_info.touch_device_id(),
tt_controller->GetMirrorModeTouchTransformer(external_display_info));
EXPECT_EQ(1, device_manager->GetDisplayForTouchDevice(10));
EXPECT_EQ(2, device_manager->GetDisplayForTouchDevice(11));
// External touch display has the default TouchTransformer.
float x = 100.0;
float y = 100.0;
device_manager->ApplyTouchTransformer(11, &x, &y);
EXPECT_EQ(100, x);
EXPECT_EQ(100, y);
// In letterboxing, there is (1-2560*(1200/1920)/1700)/2 = 2.95% of the
// height on both the top & bottom region of the screen is blank.
// When touch events coming at Y range [0, 1200), the mapping should be
// [0, ~35] ---> < 0
// [~35, ~1165] ---> [0, 1200)
// [~1165, 1200] ---> >= 1200
x = 100.0;
y = 35.0;
device_manager->ApplyTouchTransformer(10, &x, &y);
EXPECT_EQ(100, static_cast<int>(x));
EXPECT_EQ(0, static_cast<int>(y));
x = 100.0;
y = 1165.0;
device_manager->ApplyTouchTransformer(10, &x, &y);
EXPECT_EQ(100, static_cast<int>(x));
EXPECT_EQ(1200, static_cast<int>(y));
}
TEST_F(TouchTransformerControllerTest, TouchTransformerMirrorModePillarboxing) {
// The internal display has native resolution of 1366x768, and in
// mirror mode it is configured as 1024x768. This is in pillarboxing
// mode.
DisplayInfo internal_display_info =
CreateDisplayInfo(1, 10, gfx::Rect(0, 0, 1024, 768));
std::vector<DisplayMode> internal_modes;
internal_modes.push_back(
DisplayMode(gfx::Size(1366, 768), 60, false, true));
internal_modes.push_back(
DisplayMode(gfx::Size(1024, 768), 60, false, false));
internal_display_info.set_display_modes(internal_modes);
DisplayInfo external_display_info =
CreateDisplayInfo(2, 11, gfx::Rect(0, 0, 1024, 768));
TouchTransformerController* tt_controller =
Shell::GetInstance()->touch_transformer_controller();
ui::DeviceDataManager* device_manager = ui::DeviceDataManager::GetInstance();
tt_controller->force_compute_mirror_mode_touch_transformer_ = true;
device_manager->UpdateTouchInfoForDisplay(
internal_display_info.id(),
internal_display_info.touch_device_id(),
tt_controller->GetMirrorModeTouchTransformer(internal_display_info));
tt_controller->force_compute_mirror_mode_touch_transformer_ = false;
device_manager->UpdateTouchInfoForDisplay(
external_display_info.id(),
external_display_info.touch_device_id(),
tt_controller->GetMirrorModeTouchTransformer(external_display_info));
EXPECT_EQ(1, device_manager->GetDisplayForTouchDevice(10));
EXPECT_EQ(2, device_manager->GetDisplayForTouchDevice(11));
// External touch display has the default TouchTransformer.
float x = 100.0;
float y = 100.0;
device_manager->ApplyTouchTransformer(11, &x, &y);
EXPECT_EQ(100, x);
EXPECT_EQ(100, y);
// In pillarboxing, there is (1-768*(1024/768)/1366)/2 = 12.5% of the
// width on both the left & rigth region of the screen is blank.
// When touch events coming at X range [0, 1024), the mapping should be
// [0, ~128] ---> < 0
// [~128, ~896] ---> [0, 1024)
// [~896, 1024] ---> >= 1024
x = 128.0;
y = 100.0;
device_manager->ApplyTouchTransformer(10, &x, &y);
EXPECT_EQ(0, static_cast<int>(x));
EXPECT_EQ(100, static_cast<int>(y));
x = 896.0;
y = 100.0;
device_manager->ApplyTouchTransformer(10, &x, &y);
EXPECT_EQ(1024, static_cast<int>(x));
EXPECT_EQ(100, static_cast<int>(y));
}
TEST_F(TouchTransformerControllerTest, TouchTransformerExtendedMode) {
// The internal display has size 1366 x 768. The external display has
// size 2560x1600. The total frame buffer is 2560x2428,
// where 2428 = 768 + 60 (hidden gap) + 1600
// and the sceond monitor is translated to Point (0, 828) in the
// framebuffer.
DisplayInfo display1 = CreateDisplayInfo(1, 5u, gfx::Rect(0, 0, 1366, 768));
DisplayInfo display2 =
CreateDisplayInfo(2, 6u, gfx::Rect(0, 828, 2560, 1600));
gfx::Size fb_size(2560, 2428);
TouchTransformerController* tt_controller =
Shell::GetInstance()->touch_transformer_controller();
ui::DeviceDataManager* device_manager = ui::DeviceDataManager::GetInstance();
device_manager->UpdateTouchInfoForDisplay(
display1.id(),
display1.touch_device_id(),
tt_controller->GetExtendedModeTouchTransformer(display1, fb_size));
device_manager->UpdateTouchInfoForDisplay(
display2.id(),
display2.touch_device_id(),
tt_controller->GetExtendedModeTouchTransformer(display2, fb_size));
EXPECT_EQ(1, device_manager->GetDisplayForTouchDevice(5));
EXPECT_EQ(2, device_manager->GetDisplayForTouchDevice(6));
// Mapping for touch events from internal touch display:
// [0, 2560) x [0, 2428) -> [0, 1366) x [0, 768)
float x = 0.0;
float y = 0.0;
device_manager->ApplyTouchTransformer(5, &x, &y);
EXPECT_EQ(0, static_cast<int>(x));
EXPECT_EQ(0, static_cast<int>(y));
x = 2559.0;
y = 2427.0;
device_manager->ApplyTouchTransformer(5, &x, &y);
EXPECT_EQ(1365, static_cast<int>(x));
EXPECT_EQ(767, static_cast<int>(y));
// Mapping for touch events from external touch display:
// [0, 2560) x [0, 2428) -> [0, 2560) x [0, 1600)
x = 0.0;
y = 0.0;
device_manager->ApplyTouchTransformer(6, &x, &y);
EXPECT_EQ(0, static_cast<int>(x));
EXPECT_EQ(0, static_cast<int>(y));
x = 2559.0;
y = 2427.0;
device_manager->ApplyTouchTransformer(6, &x, &y);
EXPECT_EQ(2559, static_cast<int>(x));
EXPECT_EQ(1599, static_cast<int>(y));
}
TEST_F(TouchTransformerControllerTest, TouchRadiusScale) {
DisplayInfo display = CreateDisplayInfo(1, 5u, gfx::Rect(0, 0, 2560, 1600));
std::vector<unsigned int> devices;
devices.push_back(5);
ui::SetUpTouchDevicesForTest(devices);
TouchTransformerController* tt_controller =
Shell::GetInstance()->touch_transformer_controller();
// Default touchscreen position range is 1001x1001;
EXPECT_EQ(sqrt((2560.0 * 1600.0) / (1001.0 * 1001.0)),
tt_controller->GetTouchResolutionScale(display));
}
} // namespace ash
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