// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/display/screen_position_controller.h"
#include <memory>
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/public/cpp/test/shell_test_api.h"
#include "ash/screen_util.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "base/run_loop.h"
#include "ui/aura/env.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tracker.h"
#include "ui/aura/window_tree_host.h"
#include "ui/display/display_layout.h"
#include "ui/display/display_switches.h"
#include "ui/display/manager/display_manager.h"
#include "ui/display/screen.h"
#include "ui/display/test/display_manager_test_api.h"
#include "ui/events/test/event_generator.h"
namespace ash {
namespace {
ScreenPositionController* GetScreenPositionController() {
return ShellTestApi().screen_position_controller();
}
class ScreenPositionControllerTest : public AshTestBase {
public:
ScreenPositionControllerTest() = default;
ScreenPositionControllerTest(const ScreenPositionControllerTest&) = delete;
ScreenPositionControllerTest& operator=(const ScreenPositionControllerTest&) =
delete;
~ScreenPositionControllerTest() override = default;
void SetUp() override {
AshTestBase::SetUp();
window_ = std::make_unique<aura::Window>(&window_delegate_);
window_->SetType(aura::client::WINDOW_TYPE_NORMAL);
window_->Init(ui::LAYER_NOT_DRAWN);
ParentWindowInPrimaryRootWindow(window_.get());
window_->SetId(1);
}
void TearDown() override {
window_.reset();
AshTestBase::TearDown();
}
// Converts a point (x, y) in host window's coordinate to screen and
// returns its string representation.
std::string ConvertHostPointToScreen(int x, int y) const {
gfx::Point point(x, y);
GetScreenPositionController()->ConvertHostPointToScreen(
window_->GetRootWindow(), &point);
return point.ToString();
}
void SetSecondaryDisplayLayout(display::DisplayPlacement::Position position) {
std::unique_ptr<display::DisplayLayout> layout(
display_manager()->GetCurrentDisplayLayout().Copy());
layout->placement_list[0].position = position;
display_manager()->SetLayoutForCurrentDisplays(std::move(layout));
}
protected:
std::unique_ptr<aura::Window> window_;
aura::test::TestWindowDelegate window_delegate_;
};
} // namespace
TEST_F(ScreenPositionControllerTest, ConvertHostPointToScreen) {
// Make sure that the point is in host coordinates. (crbug.com/521919)
UpdateDisplay("100+100-200x190,100+300-200x190");
// The point 150,210 should be in host coords, and detected as outside.
EXPECT_EQ("350,10", ConvertHostPointToScreen(150, 210));
UpdateDisplay("100+100-200x190,100+500-200x190");
aura::Window::Windows root_windows = Shell::Get()->GetAllRootWindows();
EXPECT_EQ(
"100,100",
root_windows[0]->GetHost()->GetBoundsInPixels().origin().ToString());
EXPECT_EQ("200x190",
root_windows[0]->GetHost()->GetBoundsInPixels().size().ToString());
EXPECT_EQ(
"100,500",
root_windows[1]->GetHost()->GetBoundsInPixels().origin().ToString());
EXPECT_EQ("200x190",
root_windows[1]->GetHost()->GetBoundsInPixels().size().ToString());
const gfx::Point window_pos(100, 100);
window_->SetBoundsInScreen(
gfx::Rect(window_pos, gfx::Size(100, 100)),
display::Screen::GetScreen()->GetDisplayNearestPoint(window_pos));
SetSecondaryDisplayLayout(display::DisplayPlacement::RIGHT);
// The point is on the primary root window.
EXPECT_EQ("50,50", ConvertHostPointToScreen(50, 50));
// The point is out of the all root windows.
EXPECT_EQ("250,250", ConvertHostPointToScreen(250, 250));
// The point is on the secondary display.
EXPECT_EQ("250,0", ConvertHostPointToScreen(50, 400));
SetSecondaryDisplayLayout(display::DisplayPlacement::BOTTOM);
// The point is on the primary root window.
EXPECT_EQ("50,50", ConvertHostPointToScreen(50, 50));
// The point is out of the all root windows.
EXPECT_EQ("250,250", ConvertHostPointToScreen(250, 250));
// The point is on the secondary display.
EXPECT_EQ("50,190", ConvertHostPointToScreen(50, 400));
SetSecondaryDisplayLayout(display::DisplayPlacement::LEFT);
// The point is on the primary root window.
EXPECT_EQ("50,50", ConvertHostPointToScreen(50, 50));
// The point is out of the all root windows.
EXPECT_EQ("250,250", ConvertHostPointToScreen(250, 250));
// The point is on the secondary display.
EXPECT_EQ("-150,0", ConvertHostPointToScreen(50, 400));
SetSecondaryDisplayLayout(display::DisplayPlacement::TOP);
// The point is on the primary root window.
EXPECT_EQ("50,50", ConvertHostPointToScreen(50, 50));
// The point is out of the all root windows.
EXPECT_EQ("250,250", ConvertHostPointToScreen(250, 250));
// The point is on the secondary display.
EXPECT_EQ("50,-190", ConvertHostPointToScreen(50, 400));
SetSecondaryDisplayLayout(display::DisplayPlacement::RIGHT);
const gfx::Point window_pos2(300, 100);
window_->SetBoundsInScreen(
gfx::Rect(window_pos2, gfx::Size(100, 100)),
display::Screen::GetScreen()->GetDisplayNearestPoint(window_pos2));
// The point is on the secondary display.
EXPECT_EQ("250,50", ConvertHostPointToScreen(50, 50));
// The point is out of the all root windows.
EXPECT_EQ("450,250", ConvertHostPointToScreen(250, 250));
// The point is on the primary root window.
EXPECT_EQ("50,0", ConvertHostPointToScreen(50, -400));
SetSecondaryDisplayLayout(display::DisplayPlacement::BOTTOM);
// The point is on the secondary display.
EXPECT_EQ("50,240", ConvertHostPointToScreen(50, 50));
// The point is out of the all root windows.
EXPECT_EQ("250,440", ConvertHostPointToScreen(250, 250));
// The point is on the primary root window.
EXPECT_EQ("50,0", ConvertHostPointToScreen(50, -400));
SetSecondaryDisplayLayout(display::DisplayPlacement::LEFT);
// The point is on the secondary display.
EXPECT_EQ("-150,50", ConvertHostPointToScreen(50, 50));
// The point is out of the all root windows.
EXPECT_EQ("50,250", ConvertHostPointToScreen(250, 250));
// The point is on the primary root window.
EXPECT_EQ("50,0", ConvertHostPointToScreen(50, -400));
SetSecondaryDisplayLayout(display::DisplayPlacement::TOP);
// The point is on the secondary display.
EXPECT_EQ("50,-140", ConvertHostPointToScreen(50, 50));
// The point is out of the all root windows.
EXPECT_EQ("250,60", ConvertHostPointToScreen(250, 250));
// The point is on the primary root window.
EXPECT_EQ("50,0", ConvertHostPointToScreen(50, -400));
}
TEST_F(ScreenPositionControllerTest, ConvertHostPointToScreenHiDPI) {
UpdateDisplay("50+50-200x190*2,50+300-300x290");
aura::Window::Windows root_windows = Shell::Get()->GetAllRootWindows();
EXPECT_EQ("50,50 200x190",
root_windows[0]->GetHost()->GetBoundsInPixels().ToString());
EXPECT_EQ("50,300 300x290",
root_windows[1]->GetHost()->GetBoundsInPixels().ToString());
// Put |window_| to the primary 2x display.
window_->SetBoundsInScreen(gfx::Rect(20, 20, 50, 50),
display::Screen::GetScreen()->GetPrimaryDisplay());
// (30, 30) means the host coordinate, so the point is still on the primary
// root window. Since it's 2x, the specified native point was halved.
EXPECT_EQ("15,15", ConvertHostPointToScreen(30, 30));
// Similar to above but the point is out of the all root windows.
EXPECT_EQ("200,200", ConvertHostPointToScreen(400, 400));
// Similar to above but the point is on the first display.
EXPECT_EQ("100,15", ConvertHostPointToScreen(200, 30));
// On secondary display. The position on the 2nd host window is (100,95)
// and the relative position is (150, 100).
EXPECT_EQ("250,195", ConvertHostPointToScreen(150, 450));
// At the edge but still in the primary display. Remaining of the primary
// display is (50, 50) but adding ~100 since it's 2x-display.
EXPECT_EQ("79,79", ConvertHostPointToScreen(158, 158));
// At the edge of the secondary display.
EXPECT_EQ("80,80", ConvertHostPointToScreen(160, 160));
}
TEST_F(ScreenPositionControllerTest, ConvertHostPointToScreenRotate) {
// 1st display is rotated 90 clockise, and 2nd display is rotated
// 270 clockwise.
UpdateDisplay("100+100-200x190/r,100+500-200x190/l");
// Put |window_| to the 1st.
window_->SetBoundsInScreen(gfx::Rect(20, 20, 50, 50),
display::Screen::GetScreen()->GetPrimaryDisplay());
// The point is on the 1st host.
EXPECT_EQ("70,150", ConvertHostPointToScreen(50, 70));
// The point is out of the host windows.
EXPECT_EQ("250,-50", ConvertHostPointToScreen(250, 250));
// The point is on the 2nd host. Point on 2nd host (30,150) -
// rotate 270 clockwise -> (149, 30) - layout [+(200,0)] -> (349,30).
EXPECT_EQ("330,30", ConvertHostPointToScreen(30, 450));
// Move |window_| to the 2nd.
window_->SetBoundsInScreen(
gfx::Rect(300, 20, 50, 50),
display::test::DisplayManagerTestApi(display_manager())
.GetSecondaryDisplay());
aura::Window::Windows root_windows = Shell::Get()->GetAllRootWindows();
EXPECT_EQ(root_windows[1], window_->GetRootWindow());
// The point is on the 2nd host. (50,70) on 2n host -
// roatate 270 clockwise -> (129,50) -layout [+(200,0)] -> (329,50)
EXPECT_EQ("310,50", ConvertHostPointToScreen(50, 70));
// The point is out of the host windows.
EXPECT_EQ("430,50", ConvertHostPointToScreen(50, -50));
// The point is on the 2nd host. Point on 2nd host (50,50) -
// rotate 90 clockwise -> (50, 149)
EXPECT_EQ("50,150", ConvertHostPointToScreen(50, -350));
}
TEST_F(ScreenPositionControllerTest, ConvertHostPointToScreenZoomScale) {
// 1st display is 2x density with 1.5 UI scale.
UpdateDisplay("100+100-200x190*[email protected],100+500-200x190");
// Put |window_| to the 1st.
window_->SetBoundsInScreen(gfx::Rect(20, 20, 50, 50),
display::Screen::GetScreen()->GetPrimaryDisplay());
// The point is on the 1st host.
EXPECT_EQ("37,37", ConvertHostPointToScreen(60, 60));
// The point is out of the host windows.
EXPECT_EQ("37,187", ConvertHostPointToScreen(60, 300));
// The point is on the 2nd host. Point on 2nd host (60,150) -
// - screen [+(150,0)]
EXPECT_EQ("185,50", ConvertHostPointToScreen(60, 450));
// Move |window_| to the 2nd.
window_->SetBoundsInScreen(
gfx::Rect(300, 20, 50, 50),
display::test::DisplayManagerTestApi(display_manager())
.GetSecondaryDisplay());
aura::Window::Windows root_windows = Shell::Get()->GetAllRootWindows();
EXPECT_EQ(root_windows[1], window_->GetRootWindow());
// The point is on the 2nd host. (50,70) - ro
EXPECT_EQ("185,70", ConvertHostPointToScreen(60, 70));
// The point is out of the host windows.
EXPECT_EQ("185,-50", ConvertHostPointToScreen(60, -50));
// The point is on the 2nd host. Point on 1nd host (60, 60)
// 1/2 * 1 / 0.8 = (45,45)
EXPECT_EQ("37,37", ConvertHostPointToScreen(60, -340));
}
namespace {
// EventHandler which tracks whether it got any MouseEvents whose location could
// not be converted to screen coordinates.
class ConvertToScreenEventHandler : public ui::EventHandler {
public:
ConvertToScreenEventHandler() : could_convert_to_screen_(true) {
aura::Env::GetInstance()->AddPreTargetHandler(this);
}
ConvertToScreenEventHandler(const ConvertToScreenEventHandler&) = delete;
ConvertToScreenEventHandler& operator=(const ConvertToScreenEventHandler&) =
delete;
~ConvertToScreenEventHandler() override {
aura::Env::GetInstance()->RemovePreTargetHandler(this);
}
bool could_convert_to_screen() const { return could_convert_to_screen_; }
private:
void OnMouseEvent(ui::MouseEvent* event) override {
if (event->type() == ui::EventType::kMouseCaptureChanged) {
return;
}
aura::Window* root =
static_cast<aura::Window*>(event->target())->GetRootWindow();
if (!aura::client::GetScreenPositionClient(root))
could_convert_to_screen_ = false;
}
bool could_convert_to_screen_;
};
} // namespace
// Test that events are only dispatched when a ScreenPositionClient is available
// to convert the event to screen coordinates. The ScreenPositionClient is
// detached from the root window prior to the root window being destroyed. Test
// that no events are dispatched at this time.
TEST_F(ScreenPositionControllerTest,
ConvertToScreenWhileRemovingSecondaryDisplay) {
UpdateDisplay("600x500,600x500");
base::RunLoop().RunUntilIdle();
// Create a window on the secondary display.
window_->SetBoundsInScreen(
gfx::Rect(600, 0, 400, 400),
display::test::DisplayManagerTestApi(display_manager())
.GetSecondaryDisplay());
// Move the mouse cursor over |window_|. Synthetic mouse moves are dispatched
// asynchronously when a window which contains the mouse cursor is destroyed.
// We want to check that none of these synthetic events are dispatched after
// ScreenPositionClient has been detached from the root window.
GetEventGenerator()->MoveMouseTo(800, 200);
EXPECT_TRUE(window_->GetBoundsInScreen().Contains(
aura::Env::GetInstance()->last_mouse_location()));
aura::Window::Windows root_windows = Shell::Get()->GetAllRootWindows();
aura::WindowTracker tracker;
tracker.Add(root_windows[1]);
std::unique_ptr<ConvertToScreenEventHandler> event_handler(
new ConvertToScreenEventHandler);
// Remove the secondary monitor.
UpdateDisplay("600x500");
// The secondary root window is not immediately destroyed.
EXPECT_TRUE(tracker.Contains(root_windows[1]));
base::RunLoop().RunUntilIdle();
// Check that we waited long enough and that the secondary root window was
// destroyed.
EXPECT_FALSE(tracker.Contains(root_windows[1]));
// Check that we could convert all of the mouse events we got to screen
// coordinates.
EXPECT_TRUE(event_handler->could_convert_to_screen());
}
} // namespace ash
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