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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/wm/window_util.h"
#include <vector>
#include "ash/ash_constants.h"
#include "ash/root_window_controller.h"
#include "ash/shell.h"
#include "ash/shell_window_ids.h"
#include "ash/wm/activation_controller.h"
#include "ash/wm/window_properties.h"
#include "ui/aura/client/activation_client.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window.h"
#include "ui/aura/window_delegate.h"
#include "ui/compositor/layer.h"
#include "ui/gfx/display.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/screen.h"
#include "ui/views/corewm/window_util.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace wm {
// TODO(beng): replace many of these functions with the corewm versions.
void ActivateWindow(aura::Window* window) {
views::corewm::ActivateWindow(window);
}
void DeactivateWindow(aura::Window* window) {
views::corewm::DeactivateWindow(window);
}
bool IsActiveWindow(aura::Window* window) {
return views::corewm::IsActiveWindow(window);
}
aura::Window* GetActiveWindow() {
return aura::client::GetActivationClient(Shell::GetPrimaryRootWindow())->
GetActiveWindow();
}
aura::Window* GetActivatableWindow(aura::Window* window) {
return views::corewm::GetActivatableWindow(window);
}
bool CanActivateWindow(aura::Window* window) {
return views::corewm::CanActivateWindow(window);
}
bool CanMaximizeWindow(const aura::Window* window) {
return window->GetProperty(aura::client::kCanMaximizeKey);
}
bool CanMinimizeWindow(const aura::Window* window) {
internal::RootWindowController* controller =
internal::RootWindowController::ForWindow(window);
if (!controller)
return false;
aura::Window* lockscreen = controller->GetContainer(
internal::kShellWindowId_LockScreenContainersContainer);
if (lockscreen->Contains(window))
return false;
return true;
}
bool CanResizeWindow(const aura::Window* window) {
return window->GetProperty(aura::client::kCanResizeKey);
}
bool CanSnapWindow(aura::Window* window) {
if (!CanResizeWindow(window))
return false;
// If a window has a maximum size defined, snapping may make it too big.
return window->delegate() ? window->delegate()->GetMaximumSize().IsEmpty() :
true;
}
bool IsWindowNormal(const aura::Window* window) {
return IsWindowStateNormal(window->GetProperty(aura::client::kShowStateKey));
}
bool IsWindowStateNormal(ui::WindowShowState state) {
return state == ui::SHOW_STATE_NORMAL || state == ui::SHOW_STATE_DEFAULT;
}
bool IsWindowMaximized(const aura::Window* window) {
return window->GetProperty(aura::client::kShowStateKey) ==
ui::SHOW_STATE_MAXIMIZED;
}
bool IsWindowMinimized(const aura::Window* window) {
return window->GetProperty(aura::client::kShowStateKey) ==
ui::SHOW_STATE_MINIMIZED;
}
bool IsWindowFullscreen(const aura::Window* window) {
return window->GetProperty(aura::client::kShowStateKey) ==
ui::SHOW_STATE_FULLSCREEN;
}
void MaximizeWindow(aura::Window* window) {
window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
}
void MinimizeWindow(aura::Window* window) {
window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MINIMIZED);
}
void RestoreWindow(aura::Window* window) {
window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
}
void ToggleMaximizedWindow(aura::Window* window) {
if (ash::wm::IsWindowMaximized(window))
ash::wm::RestoreWindow(window);
else if (ash::wm::CanMaximizeWindow(window))
ash::wm::MaximizeWindow(window);
}
void CenterWindow(aura::Window* window) {
const gfx::Display display =
Shell::GetScreen()->GetDisplayNearestWindow(window);
gfx::Rect center = display.work_area();
center.ClampToCenteredSize(window->bounds().size());
window->SetBoundsInScreen(center, display);
}
bool IsWindowPositionManaged(const aura::Window* window) {
return window->GetProperty(ash::internal::kWindowPositionManagedKey);
}
void SetWindowPositionManaged(aura::Window* window, bool managed) {
window->SetProperty(ash::internal::kWindowPositionManagedKey, managed);
}
bool HasUserChangedWindowPositionOrSize(const aura::Window* window) {
return window->GetProperty(
ash::internal::kUserChangedWindowPositionOrSizeKey);
}
void SetUserHasChangedWindowPositionOrSize(aura::Window* window, bool changed) {
window->SetProperty(ash::internal::kUserChangedWindowPositionOrSizeKey,
changed);
}
const gfx::Rect* GetPreAutoManageWindowBounds(const aura::Window* window) {
return window->GetProperty(ash::internal::kPreAutoManagedWindowBoundsKey);
}
void SetPreAutoManageWindowBounds(aura::Window* window,
const gfx::Rect& bounds) {
window->SetProperty(ash::internal::kPreAutoManagedWindowBoundsKey,
new gfx::Rect(bounds));
}
void AdjustBoundsToEnsureMinimumWindowVisibility(const gfx::Rect& work_area,
gfx::Rect* bounds) {
AdjustBoundsToEnsureWindowVisibility(
work_area, kMinimumOnScreenArea, kMinimumOnScreenArea, bounds);
}
void AdjustBoundsToEnsureWindowVisibility(const gfx::Rect& work_area,
int min_width,
int min_height,
gfx::Rect* bounds) {
bounds->set_width(std::min(bounds->width(), work_area.width()));
bounds->set_height(std::min(bounds->height(), work_area.height()));
min_width = std::min(min_width, work_area.width());
min_height = std::min(min_height, work_area.height());
if (bounds->x() + min_width > work_area.right()) {
bounds->set_x(work_area.right() - min_width);
} else if (bounds->right() - min_width < 0) {
bounds->set_x(min_width - bounds->width());
}
if (bounds->y() + min_height > work_area.bottom()) {
bounds->set_y(work_area.bottom() - min_height);
} else if (bounds->bottom() - min_height < 0) {
bounds->set_y(min_height - bounds->height());
}
}
bool MoveWindowToEventRoot(aura::Window* window, const ui::Event& event) {
views::View* target = static_cast<views::View*>(event.target());
if (!target)
return false;
aura::RootWindow* target_root =
target->GetWidget()->GetNativeView()->GetRootWindow();
if (!target_root || target_root == window->GetRootWindow())
return false;
aura::Window* window_container =
ash::Shell::GetContainer(target_root, window->parent()->id());
// Move the window to the target launcher.
window_container->AddChild(window);
return true;
}
} // namespace wm
} // namespace ash
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