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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/shell.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/compositor/layer.h"
#include "ui/gfx/display.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/screen.h"
namespace ash {
namespace wm {
void ActivateWindow(aura::Window* window) {
DCHECK(window);
DCHECK(window->GetRootWindow());
aura::client::GetActivationClient(window->GetRootWindow())->ActivateWindow(
window);
}
void DeactivateWindow(aura::Window* window) {
DCHECK(window);
DCHECK(window->GetRootWindow());
aura::client::GetActivationClient(window->GetRootWindow())->DeactivateWindow(
window);
}
bool IsActiveWindow(aura::Window* window) {
DCHECK(window);
if (!window->GetRootWindow())
return false;
aura::client::ActivationClient* client =
aura::client::GetActivationClient(window->GetRootWindow());
return client && client->GetActiveWindow() == window;
}
aura::Window* GetActiveWindow() {
return aura::client::GetActivationClient(Shell::GetPrimaryRootWindow())->
GetActiveWindow();
}
aura::Window* GetActivatableWindow(aura::Window* window) {
return internal::ActivationController::GetActivatableWindow(window, NULL);
}
bool IsActiveWindowFullscreen() {
aura::Window* window = GetActiveWindow();
while (window) {
if (window->GetProperty(aura::client::kShowStateKey) ==
ui::SHOW_STATE_FULLSCREEN) {
return true;
}
window = window->parent();
}
return false;
}
bool CanActivateWindow(aura::Window* window) {
DCHECK(window);
if (!window->GetRootWindow())
return false;
aura::client::ActivationClient* client =
aura::client::GetActivationClient(window->GetRootWindow());
return client && client->CanActivateWindow(window);
}
bool CanMaximizeWindow(const aura::Window* window) {
return window->GetProperty(aura::client::kCanMaximizeKey);
}
bool CanResizeWindow(const aura::Window* window) {
return window->GetProperty(aura::client::kCanResizeKey);
}
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->SetBounds(center);
}
ui::Layer* RecreateWindowLayers(aura::Window* window, bool set_bounds) {
const gfx::Rect bounds = window->bounds();
ui::Layer* old_layer = window->RecreateLayer();
DCHECK(old_layer);
for (aura::Window::Windows::const_iterator it = window->children().begin();
it != window->children().end();
++it) {
// Maintain the hierarchy of the detached layers.
old_layer->Add(RecreateWindowLayers(*it, set_bounds));
}
if (set_bounds)
window->SetBounds(bounds);
return old_layer;
}
void DeepDeleteLayers(ui::Layer* layer) {
std::vector<ui::Layer*> children = layer->children();
for (std::vector<ui::Layer*>::const_iterator it = children.begin();
it != children.end();
++it) {
ui::Layer* child = *it;
DeepDeleteLayers(child);
}
delete layer;
}
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 AdjustBoundsToEnsureWindowVisibility(gfx::Rect* bounds,
const gfx::Rect& work_area) {
bounds->set_width(std::min(bounds->width(), work_area.width()));
bounds->set_height(std::min(bounds->height(), work_area.height()));
if (!work_area.Intersects(*bounds)) {
int y_offset = 0;
if (work_area.bottom() < bounds->y()) {
y_offset = work_area.bottom() - bounds->y() - kMinimumOnScreenArea;
} else if (bounds->bottom() < work_area.y()) {
y_offset = work_area.y() - bounds->bottom() + kMinimumOnScreenArea;
}
int x_offset = 0;
if (work_area.right() < bounds->x()) {
x_offset = work_area.right() - bounds->x() - kMinimumOnScreenArea;
} else if (bounds->right() < work_area.x()) {
x_offset = work_area.x() - bounds->right() + kMinimumOnScreenArea;
}
bounds->Offset(x_offset, y_offset);
}
}
} // namespace wm
} // namespace ash
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