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// Copyright 2018 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/accessibility/ui/accessibility_panel_layout_manager.h"
#include <memory>
#include "ash/accessibility/magnifier/docked_magnifier_controller.h"
#include "ash/public/cpp/shelf_config.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace {
// Shorten the name for better line wrapping.
constexpr int kDefaultPanelHeight =
AccessibilityPanelLayoutManager::kDefaultPanelHeight;
AccessibilityPanelLayoutManager* GetLayoutManager() {
aura::Window* container =
Shell::GetContainer(Shell::GetPrimaryRootWindow(),
kShellWindowId_AccessibilityPanelContainer);
return static_cast<AccessibilityPanelLayoutManager*>(
container->layout_manager());
}
// Simulates Chrome creating the ChromeVoxPanel widget.
std::unique_ptr<views::Widget> CreateChromeVoxPanel() {
std::unique_ptr<views::Widget> widget = std::make_unique<views::Widget>();
views::Widget::InitParams params(
views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET,
views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
aura::Window* root_window = Shell::GetPrimaryRootWindow();
params.parent = Shell::GetContainer(
root_window, kShellWindowId_AccessibilityPanelContainer);
params.activatable = views::Widget::InitParams::Activatable::kNo;
params.bounds = gfx::Rect(0, 0, root_window->bounds().width(),
root_window->bounds().height());
widget->Init(std::move(params));
return widget;
}
using AccessibilityPanelLayoutManagerTest = AshTestBase;
TEST_F(AccessibilityPanelLayoutManagerTest, Basics) {
AccessibilityPanelLayoutManager* layout_manager = GetLayoutManager();
ASSERT_TRUE(layout_manager);
// The layout manager doesn't track anything at startup.
EXPECT_FALSE(layout_manager->panel_window_for_test());
// Simulate chrome creating the ChromeVox widget. The layout manager starts
// managing it.
std::unique_ptr<views::Widget> widget = CreateChromeVoxPanel();
widget->Show();
EXPECT_EQ(widget->GetNativeWindow(), layout_manager->panel_window_for_test());
// The layout manager doesn't track anything after the widget closes.
widget.reset();
EXPECT_FALSE(layout_manager->panel_window_for_test());
}
TEST_F(AccessibilityPanelLayoutManagerTest, Shutdown) {
// Simulate chrome creating the ChromeVox widget.
std::unique_ptr<views::Widget> widget = CreateChromeVoxPanel();
widget->Show();
// Don't close the window.
widget.release();
// Ash should not crash if the window is still open at shutdown.
}
TEST_F(AccessibilityPanelLayoutManagerTest, PanelFullscreen) {
AccessibilityPanelLayoutManager* layout_manager = GetLayoutManager();
display::Screen* screen = display::Screen::GetScreen();
std::unique_ptr<views::Widget> widget = CreateChromeVoxPanel();
widget->Show();
layout_manager->SetPanelBounds(gfx::Rect(0, 0, 0, kDefaultPanelHeight),
AccessibilityPanelState::FULL_WIDTH);
gfx::Rect expected_work_area = screen->GetPrimaryDisplay().work_area();
// When the panel is fullscreen it fills the display and clears the
// work area.
layout_manager->SetPanelBounds(gfx::Rect(),
AccessibilityPanelState::FULLSCREEN);
EXPECT_EQ(widget->GetNativeWindow()->bounds(),
screen->GetPrimaryDisplay().bounds());
EXPECT_EQ(screen->GetPrimaryDisplay().work_area().y(), 0);
// Restoring the panel to default size restores the bounds and sets
// the work area.
layout_manager->SetPanelBounds(gfx::Rect(0, 0, 0, kDefaultPanelHeight),
AccessibilityPanelState::FULL_WIDTH);
gfx::Rect expected_bounds(0, 0, screen->GetPrimaryDisplay().bounds().width(),
kDefaultPanelHeight);
EXPECT_EQ(widget->GetNativeWindow()->bounds(), expected_bounds);
EXPECT_EQ(screen->GetPrimaryDisplay().work_area(), expected_work_area);
}
TEST_F(AccessibilityPanelLayoutManagerTest, SetBounds) {
std::unique_ptr<views::Widget> widget = CreateChromeVoxPanel();
widget->Show();
gfx::Rect bounds(0, 0, 100, 100);
GetLayoutManager()->SetPanelBounds(bounds, AccessibilityPanelState::BOUNDED);
EXPECT_EQ(widget->GetNativeWindow()->bounds(), bounds);
}
TEST_F(AccessibilityPanelLayoutManagerTest, DisplayBoundsChange) {
std::unique_ptr<views::Widget> widget = CreateChromeVoxPanel();
widget->Show();
GetLayoutManager()->SetPanelBounds(gfx::Rect(0, 0, 0, kDefaultPanelHeight),
AccessibilityPanelState::FULL_WIDTH);
// When the display resolution changes the panel still sits at the top of the
// screen.
UpdateDisplay("1200x700,1300x800");
display::Screen* screen = display::Screen::GetScreen();
gfx::Rect expected_bounds(0, 0, screen->GetPrimaryDisplay().bounds().width(),
kDefaultPanelHeight);
EXPECT_EQ(widget->GetNativeWindow()->bounds(), expected_bounds);
gfx::Rect expected_work_area = screen->GetPrimaryDisplay().bounds();
expected_work_area.Inset(gfx::Insets::TLBR(
kDefaultPanelHeight, 0, ShelfConfig::Get()->shelf_size(), 0));
EXPECT_EQ(screen->GetPrimaryDisplay().work_area(), expected_work_area);
}
TEST_F(AccessibilityPanelLayoutManagerTest, DockedMagnifierEnabled) {
auto* docked_magnifier_controller =
Shell::Get()->docked_magnifier_controller();
std::unique_ptr<views::Widget> widget = CreateChromeVoxPanel();
widget->Show();
GetLayoutManager()->SetPanelBounds(gfx::Rect(0, 0, 0, kDefaultPanelHeight),
AccessibilityPanelState::FULL_WIDTH);
// When Docked Magnifier is enabled, panel sits right below, and work area
// sits below the panel.
docked_magnifier_controller->SetEnabled(true);
int magnifier_height = docked_magnifier_controller->GetTotalMagnifierHeight();
display::Screen* screen = display::Screen::GetScreen();
gfx::Rect expected_bounds(0, magnifier_height,
screen->GetPrimaryDisplay().bounds().width(),
kDefaultPanelHeight);
EXPECT_EQ(widget->GetNativeWindow()->bounds(), expected_bounds);
gfx::Rect expected_work_area = screen->GetPrimaryDisplay().bounds();
expected_work_area.Inset(
gfx::Insets::TLBR(magnifier_height + kDefaultPanelHeight, 0,
ShelfConfig::Get()->shelf_size(), 0));
EXPECT_EQ(screen->GetPrimaryDisplay().work_area(), expected_work_area);
}
} // namespace
} // namespace ash
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