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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/android/display_android_manager.h"
#include <string>
#include <vector>
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/memory/raw_ptr.h"
#include "base/test/scoped_feature_list.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/android/ui_android_features.h"
#include "ui/display/display.h"
#include "ui/display/screen_base.h"
#include "ui/display/util/display_util.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
namespace ui {
namespace {
constexpr int32_t kPrimaryDisplayId = 0;
} // namespace
struct TestDisplayParams {
int32_t sdk_display_id;
std::string label;
std::vector<int32_t> bounds;
gfx::Rect scaled_bounds;
std::vector<int32_t> insets;
gfx::Rect scaled_work_area;
float dip_scale;
int32_t rotation_degrees;
int32_t bits_per_pixel;
int32_t bits_per_component;
bool is_internal;
};
class DisplayAndroidManagerTest : public testing::TestWithParam<bool> {
public:
DisplayAndroidManagerTest()
: env_(base::android::AttachCurrentThread()),
display_android_manager_(false) {
display_android_manager_.SetPrimaryDisplayId(env_, nullptr,
kPrimaryDisplayId);
}
void AddDisplay(const TestDisplayParams& display_params) {
display_android_manager_.UpdateDisplay(
env_, nullptr, display_params.sdk_display_id,
base::android::ConvertUTF8ToJavaString(env_, display_params.label),
base::android::ToJavaIntArray(env_, display_params.bounds),
base::android::ToJavaIntArray(env_, display_params.insets),
display_params.dip_scale, display_params.rotation_degrees,
display_params.bits_per_pixel, display_params.bits_per_component,
/* isWideColorGamut= */ false, /* isHdr= */ false,
/* hdrMaxLuminanceRatio= */ 1.0, display_params.is_internal);
}
void RemoveDisplay(int32_t sdk_display_id) {
display_android_manager_.RemoveDisplay(env_, nullptr, sdk_display_id);
}
display::Display GetDisplay(int32_t sdk_display_id) const {
display::Display display;
display_android_manager_.GetDisplayWithDisplayId(sdk_display_id, &display);
return display;
}
int GetDisplaysNum() const {
return display_android_manager_.GetNumDisplays();
}
void CompareDisplayParamsWithDisplay(
const TestDisplayParams& display_params) const {
const auto& display = GetDisplay(display_params.sdk_display_id);
EXPECT_EQ(display.id(), display_params.sdk_display_id);
EXPECT_EQ(display.label(), display_params.label);
EXPECT_EQ(display.GetSizeInPixel(),
gfx::Size(display_params.bounds[2] - display_params.bounds[0],
display_params.bounds[3] - display_params.bounds[1]));
EXPECT_EQ(display.RotationAsDegree(), display_params.rotation_degrees);
EXPECT_EQ(display.device_scale_factor(), display_params.dip_scale);
EXPECT_EQ(display.bounds(), display_params.scaled_bounds);
if (base::FeatureList::IsEnabled(kAndroidUseCorrectDisplayWorkArea)) {
EXPECT_EQ(display.work_area(), display_params.scaled_work_area);
} else {
EXPECT_EQ(display.work_area(), display_params.scaled_bounds);
}
EXPECT_EQ(display.color_depth(), display_params.bits_per_pixel);
EXPECT_EQ(display.depth_per_component(), display_params.bits_per_component);
EXPECT_EQ(display.is_monochrome(), display_params.bits_per_component == 0);
EXPECT_EQ(display.IsInternal(), display_params.is_internal);
}
private:
raw_ptr<JNIEnv> env_;
DisplayAndroidManager display_android_manager_;
};
INSTANTIATE_TEST_SUITE_P(DisplayAndroidManagerTest,
DisplayAndroidManagerTest,
testing::Values(true, false));
TEST_P(DisplayAndroidManagerTest, General) {
static const TestDisplayParams primary_display_params{
.sdk_display_id = kPrimaryDisplayId,
.label = "label_1",
.bounds = {0, 0, 1920, 1080},
.scaled_bounds = {0, 0, 1536, 864},
.insets = {10, 20, 30, 40},
.scaled_work_area = {8, 16, 1504, 816},
.dip_scale = 1.25,
.rotation_degrees = 0,
.bits_per_pixel = 24,
.bits_per_component = 8,
.is_internal = true};
static const TestDisplayParams secondary_display_params{
.sdk_display_id = 1,
.label = "label_2",
.bounds = {0, -1440, 900, 0},
.scaled_bounds = {0, -1440, 900, 1440},
.insets = {1, 2, 3, 4},
.scaled_work_area = {1, -1438, 896, 1434},
.dip_scale = 1,
.rotation_degrees = 90,
.bits_per_pixel = 12,
.bits_per_component = 0,
.is_internal = false};
base::test::ScopedFeatureList scoped_feature_list;
if (GetParam()) {
scoped_feature_list.InitAndEnableFeature(kAndroidUseCorrectDisplayWorkArea);
}
// Checking the initial state
EXPECT_EQ(GetDisplaysNum(), 0);
EXPECT_TRUE(display::GetInternalDisplayIds().empty());
// Adding the primary internal display
AddDisplay(primary_display_params);
EXPECT_EQ(GetDisplaysNum(), 1);
EXPECT_EQ(display::GetInternalDisplayIds().size(), std::size_t(1));
// Adding the secondary external display
AddDisplay(secondary_display_params);
EXPECT_EQ(GetDisplaysNum(), 2);
EXPECT_EQ(display::GetInternalDisplayIds().size(), std::size_t(1));
// Comparing displays
CompareDisplayParamsWithDisplay(primary_display_params);
CompareDisplayParamsWithDisplay(secondary_display_params);
// Removing external display
RemoveDisplay(secondary_display_params.sdk_display_id);
EXPECT_EQ(display::GetInternalDisplayIds().size(), std::size_t(1));
// Removing internal display
RemoveDisplay(primary_display_params.sdk_display_id);
// Checking the finished state
EXPECT_EQ(GetDisplaysNum(), 0);
EXPECT_TRUE(display::GetInternalDisplayIds().empty());
}
} // namespace ui
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