// Copyright 2019 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "remoting/host/desktop_display_info.h" #include "base/location.h" #include "build/build_config.h" #include "remoting/proto/coordinates.pb.h" #include "testing/gtest/include/gtest/gtest.h" namespace remoting { // Depending on the platform the origin of the desktop is calculated relative to // the primary display, or relative to the upper-left of the entire desktop // region. See comment at DesktopDisplayInfo::CalcDisplayOffset() for more // information. #define OS_USES_PRIMARY_DISPLAY_AS_ORIGIN \ BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_CHROMEOS) class DesktopDisplayInfoTest : public testing::Test { public: void AddDisplay(int x, int y, uint32_t width, uint32_t height) { info_.AddDisplay({/* id */ info_.NumDisplays(), x, y, width, height, /* dpi */ 96, /* bpp */ 24, /* is_default */ false, /* display_name */ "test display"}); } void VerifyDisplayOffset(const base::Location& from_here, unsigned int id, int x, int y) { webrtc::DesktopVector offset = info_.CalcDisplayOffset(id); EXPECT_EQ(x, offset.x()) << "Location: " << from_here.ToString(); EXPECT_EQ(y, offset.y()) << "Location: " << from_here.ToString(); } protected: DesktopDisplayInfo info_; }; // o---------+ // | 0 | // | 300x200 | // +---------+ // o = desktop origin TEST_F(DesktopDisplayInfoTest, SingleDisplay) { AddDisplay(0, 0, 300, 200); VerifyDisplayOffset(FROM_HERE, 0, 0, 0); } // o---------+------------+ // | 0 | 1 | // | 300x200 | 500x400 | // +---------+ | // +------------+ TEST_F(DesktopDisplayInfoTest, DualDisplayRight) { AddDisplay(0, 0, 300, 200); AddDisplay(300, 0, 500, 400); VerifyDisplayOffset(FROM_HERE, 0, 0, 0); VerifyDisplayOffset(FROM_HERE, 1, 300, 0); } // o---------+------------+ // | 1 | 0 | // | 300x200 | 500x400 | // +---------+ | // +------------+ TEST_F(DesktopDisplayInfoTest, DualDisplayRight_ReverseOrder) { AddDisplay(300, 0, 500, 400); AddDisplay(0, 0, 300, 200); VerifyDisplayOffset(FROM_HERE, 0, 300, 0); VerifyDisplayOffset(FROM_HERE, 1, 0, 0); } // +---------o------------+ // | 1 | 0 | // | 300x200 | 500x400 | // +---------+ | // +------------+ TEST_F(DesktopDisplayInfoTest, DualDisplayLeft) { AddDisplay(0, 0, 500, 400); AddDisplay(-300, 0, 300, 200); #if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN VerifyDisplayOffset(FROM_HERE, 0, 0, 0); VerifyDisplayOffset(FROM_HERE, 1, -300, 0); #else VerifyDisplayOffset(FROM_HERE, 0, 300, 0); VerifyDisplayOffset(FROM_HERE, 1, 0, 0); #endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN } // +---------o------------+ // | 0 | 1 | // | 300x200 | 500x400 | // +---------+ | // +------------+ TEST_F(DesktopDisplayInfoTest, DualDisplayLeft_ReverseOrder) { AddDisplay(-300, 0, 300, 200); AddDisplay(0, 0, 500, 400); #if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN VerifyDisplayOffset(FROM_HERE, 0, -300, 0); VerifyDisplayOffset(FROM_HERE, 1, 0, 0); #else VerifyDisplayOffset(FROM_HERE, 0, 0, 0); VerifyDisplayOffset(FROM_HERE, 1, 300, 0); #endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN } // +---------o------------+ // | 0 | 1 +---------+ // | 300x200 | 500x400 | 2 | // +---------+ | 400x350 | // +------------+---------+ TEST_F(DesktopDisplayInfoTest, TripleDisplayMiddle) { AddDisplay(-300, 0, 300, 200); AddDisplay(0, 0, 500, 400); // Default display. AddDisplay(500, 50, 400, 350); #if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN VerifyDisplayOffset(FROM_HERE, 0, -300, 0); VerifyDisplayOffset(FROM_HERE, 1, 0, 0); VerifyDisplayOffset(FROM_HERE, 2, 500, 50); #else VerifyDisplayOffset(FROM_HERE, 0, 0, 0); VerifyDisplayOffset(FROM_HERE, 1, 300, 0); VerifyDisplayOffset(FROM_HERE, 2, 800, 50); #endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN } // x o-----------+ - 0 // | 0 | // +---------+ 500x400 | - 350 // | 2 +-------+---+-------+ - 400 // | 300x200 | | 1 | // +---------+ | 600x450 | - 550 // +-----------+ - 950 // | | | | | // -300 0 300 500 900 TEST_F(DesktopDisplayInfoTest, Multimon3) { AddDisplay(0, 0, 500, 400); // Default display. AddDisplay(300, 400, 600, 450); AddDisplay(-300, 350, 300, 200); #if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN VerifyDisplayOffset(FROM_HERE, 0, 0, 0); VerifyDisplayOffset(FROM_HERE, 1, 300, 400); VerifyDisplayOffset(FROM_HERE, 2, -300, 350); #else VerifyDisplayOffset(FROM_HERE, 0, 300, 0); VerifyDisplayOffset(FROM_HERE, 1, 600, 400); VerifyDisplayOffset(FROM_HERE, 2, 0, 350); #endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN } // x +-------+ -- -50 // | 1 | // +-------+ | 60x40 | -- -20 // | 4 | +---+---+-----+ -- -10 // | 40x70 o---------+ 0 | -- 0 // +-------+ | 6 | 70x60 | -- 40 // | 2 +-------+ 80x55 +------+--+-----+ -- 50 // | 30x60 | +---------+ | 3 | -- 55 // | | | 55x65 | // +-------+ +--------+ | -- 100 // | 5 +--------+ -- 115 // | 65x20 | // +--------+ -- 120 // | | | | | | | | | | // - - 0 6 7 8 1 1 1 1 // 7 4 0 0 0 2 3 5 9 // 0 0 0 5 0 0 TEST_F(DesktopDisplayInfoTest, Multimon7) { AddDisplay(80, -10, 70, 60); AddDisplay(60, -50, 60, 40); AddDisplay(-70, 40, 30, 60); AddDisplay(135, 50, 55, 65); AddDisplay(-40, -20, 40, 70); AddDisplay(70, 100, 65, 20); AddDisplay(0, 0, 80, 55); // Default display. #if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN // Relative to display 6. VerifyDisplayOffset(FROM_HERE, 0, 80, -10); VerifyDisplayOffset(FROM_HERE, 1, 60, -50); VerifyDisplayOffset(FROM_HERE, 2, -70, 40); VerifyDisplayOffset(FROM_HERE, 3, 135, 50); VerifyDisplayOffset(FROM_HERE, 4, -40, -20); VerifyDisplayOffset(FROM_HERE, 5, 70, 100); VerifyDisplayOffset(FROM_HERE, 6, 0, 0); #else VerifyDisplayOffset(FROM_HERE, 0, 150, 40); VerifyDisplayOffset(FROM_HERE, 1, 130, 0); VerifyDisplayOffset(FROM_HERE, 2, 0, 90); VerifyDisplayOffset(FROM_HERE, 3, 205, 100); VerifyDisplayOffset(FROM_HERE, 4, 30, 30); VerifyDisplayOffset(FROM_HERE, 5, 140, 150); VerifyDisplayOffset(FROM_HERE, 6, 70, 50); #endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN } TEST_F(DesktopDisplayInfoTest, ToFractionalCoordinate_SingleDisplay) { constexpr int kWidth = 300; constexpr int kHeight = 200; AddDisplay(0, 0, kWidth, kHeight); // Top-left. auto fractional = info_.ToFractionalCoordinate(webrtc::DesktopVector(0, 0)); ASSERT_TRUE(fractional.has_value()); ASSERT_EQ(fractional->screen_id(), 0); ASSERT_FLOAT_EQ(fractional->x(), 0.0f); ASSERT_FLOAT_EQ(fractional->y(), 0.0f); // Bottom-right. fractional = info_.ToFractionalCoordinate( webrtc::DesktopVector(kWidth - 1, kHeight - 1)); ASSERT_TRUE(fractional.has_value()); ASSERT_EQ(fractional->screen_id(), 0); ASSERT_FLOAT_EQ(fractional->x(), 1.f); ASSERT_FLOAT_EQ(fractional->y(), 1.f); // Outside. fractional = info_.ToFractionalCoordinate(webrtc::DesktopVector(kWidth, kHeight)); ASSERT_FALSE(fractional.has_value()); fractional = info_.ToFractionalCoordinate(webrtc::DesktopVector(-1, -1)); ASSERT_FALSE(fractional.has_value()); } TEST_F(DesktopDisplayInfoTest, ToFractionalCoordinate_MultiDisplay) { // +---------o------------+ // | 0 | 1 | // | 300x200 | 500x400 | // +---------+ | // +------------+ constexpr int kWidth1 = 300; constexpr int kHeight1 = 200; AddDisplay(0, 0, kWidth1, kHeight1); constexpr int kWidth2 = 500; constexpr int kHeight2 = 400; AddDisplay(kWidth1, 0, kWidth2, kHeight2); // Bottom-right pixel in the first display. auto fractional = info_.ToFractionalCoordinate( webrtc::DesktopVector(kWidth1 - 1, kHeight1 - 1)); ASSERT_TRUE(fractional.has_value()); ASSERT_EQ(fractional->screen_id(), 0); ASSERT_FLOAT_EQ(fractional->x(), 1.f); ASSERT_FLOAT_EQ(fractional->y(), 1.f); // Bottom-right pixel in the second display. fractional = info_.ToFractionalCoordinate( webrtc::DesktopVector(kWidth1 + kWidth2 - 1, kHeight2 - 1)); ASSERT_TRUE(fractional.has_value()); ASSERT_EQ(fractional->screen_id(), 1); ASSERT_FLOAT_EQ(fractional->x(), 1.f); ASSERT_FLOAT_EQ(fractional->y(), 1.f); // Point outside of any display. fractional = info_.ToFractionalCoordinate(webrtc::DesktopVector(-1, -1)); ASSERT_FALSE(fractional.has_value()); fractional = info_.ToFractionalCoordinate(webrtc::DesktopVector(kWidth1 + kWidth2, 0)); ASSERT_FALSE(fractional.has_value()); } } // namespace remoting