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// Copyright (c) 2012 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/display/mouse_cursor_event_filter.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "ash/test/cursor_manager_test_api.h"
#include "ash/display/display_controller.h"
#include "ash/display/display_layout_store.h"
#include "ash/display/display_manager.h"
#include "ui/aura/env.h"
#include "ui/aura/root_window.h"
#include "ui/gfx/display.h"
#include "ui/gfx/screen.h"
namespace ash {
namespace internal {
namespace {
gfx::Display GetPrimaryDisplay() {
return Shell::GetScreen()->GetDisplayNearestWindow(
Shell::GetAllRootWindows()[0]);
}
gfx::Display GetSecondaryDisplay() {
return Shell::GetScreen()->GetDisplayNearestWindow(
Shell::GetAllRootWindows()[1]);
}
} // namespace
typedef test::AshTestBase MouseCursorEventFilterTest;
// Verifies if the mouse pointer correctly moves to another display when there
// are two displays.
TEST_F(MouseCursorEventFilterTest, WarpMouse) {
if (!SupportsMultipleDisplays())
return;
UpdateDisplay("500x500,500x500");
MouseCursorEventFilter* event_filter =
Shell::GetInstance()->mouse_cursor_filter();
ASSERT_EQ(
DisplayLayout::RIGHT,
Shell::GetInstance()->display_manager()->layout_store()->
default_display_layout().position);
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
bool is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[0],
gfx::Point(11, 11));
EXPECT_FALSE(is_warped);
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(11, 11));
EXPECT_FALSE(is_warped);
// Touch the right edge of the primary root window. Pointer should warp.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[0],
gfx::Point(499, 11));
EXPECT_TRUE(is_warped);
EXPECT_EQ("501,11", // by 2px.
aura::Env::GetInstance()->last_mouse_location().ToString());
// Touch the left edge of the secondary root window. Pointer should warp.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(500, 11));
EXPECT_TRUE(is_warped);
EXPECT_EQ("498,11", // by 2px.
aura::Env::GetInstance()->last_mouse_location().ToString());
// Touch the left edge of the primary root window.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[0],
gfx::Point(0, 11));
EXPECT_FALSE(is_warped);
// Touch the top edge of the primary root window.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[0],
gfx::Point(11, 0));
EXPECT_FALSE(is_warped);
// Touch the bottom edge of the primary root window.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[0],
gfx::Point(11, 499));
EXPECT_FALSE(is_warped);
// Touch the right edge of the secondary root window.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(999, 11));
EXPECT_FALSE(is_warped);
// Touch the top edge of the secondary root window.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(11, 0));
EXPECT_FALSE(is_warped);
// Touch the bottom edge of the secondary root window.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(11, 499));
EXPECT_FALSE(is_warped);
}
// Verifies if the mouse pointer correctly moves to another display even when
// two displays are not the same size.
TEST_F(MouseCursorEventFilterTest, WarpMouseDifferentSizeDisplays) {
if (!SupportsMultipleDisplays())
return;
UpdateDisplay("500x500,600x600"); // the second one is larger.
MouseCursorEventFilter* event_filter =
Shell::GetInstance()->mouse_cursor_filter();
ASSERT_EQ(
DisplayLayout::RIGHT,
Shell::GetInstance()->display_manager()->
GetCurrentDisplayLayout().position);
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(623, 123));
// Touch the left edge of the secondary root window. Pointer should NOT warp
// because 1px left of (0, 500) is outside the primary root window.
bool is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(0, 500));
EXPECT_FALSE(is_warped);
EXPECT_EQ("623,123", // by 2px.
aura::Env::GetInstance()->last_mouse_location().ToString());
// Touch the left edge of the secondary root window. Pointer should warp
// because 1px left of (0, 499) is inside the primary root window.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(500, 499));
EXPECT_TRUE(is_warped);
EXPECT_EQ("498,499", // by 2px.
aura::Env::GetInstance()->last_mouse_location().ToString());
}
// Verifies if the mouse pointer correctly moves between displays with
// different scale factors.
TEST_F(MouseCursorEventFilterTest, WarpMouseDifferentScaleDisplays) {
if (!SupportsMultipleDisplays())
return;
UpdateDisplay("500x500,600x600*2");
MouseCursorEventFilter* event_filter =
Shell::GetInstance()->mouse_cursor_filter();
ASSERT_EQ(
DisplayLayout::RIGHT,
Shell::GetInstance()->display_manager()->
GetCurrentDisplayLayout().position);
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(900, 123));
// This emulates the dragging back to the 2nd display, which has
// higher scale factor, by having 2nd display's root as target
// but have the edge of 1st display.
bool is_warped =
event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(498, 123));
EXPECT_TRUE(is_warped);
EXPECT_EQ("502,123",
aura::Env::GetInstance()->last_mouse_location().ToString());
// Touch the edge of 2nd display again and make sure it warps to
// 1st dislay.
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(500, 123));
EXPECT_TRUE(is_warped);
EXPECT_EQ("496,123",
aura::Env::GetInstance()->last_mouse_location().ToString());
}
// Verifies if MouseCursorEventFilter::set_mouse_warp_mode() works as expected.
TEST_F(MouseCursorEventFilterTest, SetMouseWarpModeFlag) {
if (!SupportsMultipleDisplays())
return;
UpdateDisplay("500x500,500x500");
MouseCursorEventFilter* event_filter =
Shell::GetInstance()->mouse_cursor_filter();
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(1, 1));
event_filter->set_mouse_warp_mode(MouseCursorEventFilter::WARP_NONE);
bool is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[0],
gfx::Point(499, 11));
EXPECT_FALSE(is_warped);
EXPECT_EQ("1,1",
aura::Env::GetInstance()->last_mouse_location().ToString());
event_filter->set_mouse_warp_mode(MouseCursorEventFilter::WARP_ALWAYS);
is_warped = event_filter->WarpMouseCursorIfNecessary(root_windows[0],
gfx::Point(499, 11));
EXPECT_TRUE(is_warped);
EXPECT_EQ("501,11",
aura::Env::GetInstance()->last_mouse_location().ToString());
}
// Verifies if MouseCursorEventFilter's bounds calculation works correctly.
TEST_F(MouseCursorEventFilterTest, IndicatorBoundsTestOnRight) {
if (!SupportsMultipleDisplays())
return;
UpdateDisplay("360x360,700x700");
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
DisplayController* controller =
Shell::GetInstance()->display_controller();
DisplayLayout layout(DisplayLayout::RIGHT, 0);
controller->SetLayoutForCurrentDisplays(layout);
ash::internal::MouseCursorEventFilter* event_filter =
Shell::GetInstance()->mouse_cursor_filter();
event_filter->ShowSharedEdgeIndicator(root_windows[0] /* primary */);
EXPECT_EQ("359,16 1x344", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("360,0 1x360", event_filter->dst_indicator_bounds_.ToString());
event_filter->ShowSharedEdgeIndicator(root_windows[1] /* secondary */);
EXPECT_EQ("360,16 1x344", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("359,0 1x360", event_filter->dst_indicator_bounds_.ToString());
// Move 2nd display downwards a bit.
layout.offset = 5;
controller->SetLayoutForCurrentDisplays(layout);
event_filter->ShowSharedEdgeIndicator(root_windows[0] /* primary */);
// This is same as before because the 2nd display's y is above
// the indicator's x.
EXPECT_EQ("359,16 1x344", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("360,5 1x355", event_filter->dst_indicator_bounds_.ToString());
event_filter->ShowSharedEdgeIndicator(root_windows[1] /* secondary */);
EXPECT_EQ("360,21 1x339", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("359,5 1x355", event_filter->dst_indicator_bounds_.ToString());
// Move it down further so that the shared edge is shorter than
// minimum hole size (160).
layout.offset = 200;
controller->SetLayoutForCurrentDisplays(layout);
event_filter->ShowSharedEdgeIndicator(root_windows[0] /* primary */);
EXPECT_EQ("359,200 1x160", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("360,200 1x160", event_filter->dst_indicator_bounds_.ToString());
event_filter->ShowSharedEdgeIndicator(root_windows[1] /* secondary */);
EXPECT_EQ("360,200 1x160", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("359,200 1x160", event_filter->dst_indicator_bounds_.ToString());
// Now move 2nd display upwards
layout.offset = -5;
controller->SetLayoutForCurrentDisplays(layout);
event_filter->ShowSharedEdgeIndicator(root_windows[0] /* primary */);
EXPECT_EQ("359,16 1x344", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("360,0 1x360", event_filter->dst_indicator_bounds_.ToString());
event_filter->ShowSharedEdgeIndicator(root_windows[1] /* secondary */);
// 16 px are reserved on 2nd display from top, so y must be
// (16 - 5) = 11
EXPECT_EQ("360,11 1x349", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("359,0 1x360", event_filter->dst_indicator_bounds_.ToString());
event_filter->HideSharedEdgeIndicator();
}
TEST_F(MouseCursorEventFilterTest, IndicatorBoundsTestOnLeft) {
if (!SupportsMultipleDisplays())
return;
UpdateDisplay("360x360,700x700");
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
DisplayController* controller =
Shell::GetInstance()->display_controller();
DisplayLayout layout(DisplayLayout::LEFT, 0);
controller->SetLayoutForCurrentDisplays(layout);
ash::internal::MouseCursorEventFilter* event_filter =
Shell::GetInstance()->mouse_cursor_filter();
event_filter->ShowSharedEdgeIndicator(root_windows[0] /* primary */);
EXPECT_EQ("0,16 1x344", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("-1,0 1x360", event_filter->dst_indicator_bounds_.ToString());
event_filter->ShowSharedEdgeIndicator(root_windows[1] /* secondary */);
EXPECT_EQ("-1,16 1x344", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("0,0 1x360", event_filter->dst_indicator_bounds_.ToString());
layout.offset = 250;
controller->SetLayoutForCurrentDisplays(layout);
event_filter->ShowSharedEdgeIndicator(root_windows[0] /* primary */);
EXPECT_EQ("0,250 1x110", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("-1,250 1x110", event_filter->dst_indicator_bounds_.ToString());
event_filter->ShowSharedEdgeIndicator(root_windows[1] /* secondary */);
EXPECT_EQ("-1,250 1x110", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("0,250 1x110", event_filter->dst_indicator_bounds_.ToString());
event_filter->HideSharedEdgeIndicator();
}
TEST_F(MouseCursorEventFilterTest, IndicatorBoundsTestOnTopBottom) {
if (!SupportsMultipleDisplays())
return;
UpdateDisplay("360x360,700x700");
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
DisplayController* controller =
Shell::GetInstance()->display_controller();
DisplayLayout layout(DisplayLayout::TOP, 0);
controller->SetLayoutForCurrentDisplays(layout);
ash::internal::MouseCursorEventFilter* event_filter =
Shell::GetInstance()->mouse_cursor_filter();
event_filter->ShowSharedEdgeIndicator(root_windows[0] /* primary */);
EXPECT_EQ("0,0 360x1", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("0,-1 360x1", event_filter->dst_indicator_bounds_.ToString());
event_filter->ShowSharedEdgeIndicator(root_windows[1] /* secondary */);
EXPECT_EQ("0,-1 360x1", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("0,0 360x1", event_filter->dst_indicator_bounds_.ToString());
layout.offset = 250;
controller->SetLayoutForCurrentDisplays(layout);
event_filter->ShowSharedEdgeIndicator(root_windows[0] /* primary */);
EXPECT_EQ("250,0 110x1", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("250,-1 110x1", event_filter->dst_indicator_bounds_.ToString());
event_filter->ShowSharedEdgeIndicator(root_windows[1] /* secondary */);
EXPECT_EQ("250,-1 110x1", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("250,0 110x1", event_filter->dst_indicator_bounds_.ToString());
layout.position = DisplayLayout::BOTTOM;
layout.offset = 0;
controller->SetLayoutForCurrentDisplays(layout);
event_filter->ShowSharedEdgeIndicator(root_windows[0] /* primary */);
EXPECT_EQ("0,359 360x1", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("0,360 360x1", event_filter->dst_indicator_bounds_.ToString());
event_filter->ShowSharedEdgeIndicator(root_windows[1] /* secondary */);
EXPECT_EQ("0,360 360x1", event_filter->src_indicator_bounds_.ToString());
EXPECT_EQ("0,359 360x1", event_filter->dst_indicator_bounds_.ToString());
event_filter->HideSharedEdgeIndicator();
}
// Verifies cursor's device scale factor is updated when a cursor has moved
// across root windows with different device scale factors
// (http://crbug.com/154183).
TEST_F(MouseCursorEventFilterTest, CursorDeviceScaleFactor) {
if (!SupportsMultipleDisplays())
return;
UpdateDisplay("400x400,800x800*2");
DisplayController* controller =
Shell::GetInstance()->display_controller();
controller->SetLayoutForCurrentDisplays(
DisplayLayout(DisplayLayout::RIGHT, 0));
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
ASSERT_EQ(2U, root_windows.size());
test::CursorManagerTestApi cursor_test_api(
Shell::GetInstance()->cursor_manager());
MouseCursorEventFilter* event_filter =
Shell::GetInstance()->mouse_cursor_filter();
EXPECT_EQ(1.0f, cursor_test_api.GetDisplay().device_scale_factor());
event_filter->WarpMouseCursorIfNecessary(root_windows[0],
gfx::Point(399, 200));
EXPECT_EQ(2.0f, cursor_test_api.GetDisplay().device_scale_factor());
event_filter->WarpMouseCursorIfNecessary(root_windows[1],
gfx::Point(400, 200));
EXPECT_EQ(1.0f, cursor_test_api.GetDisplay().device_scale_factor());
}
} // namespace internal
} // namespace ash
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