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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/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/base/ui_base_types.h"
#include "ui/compositor/layer.h"
#include "ui/gfx/display.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 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 IsWindowNormal(aura::Window* window) {
return window->GetProperty(aura::client::kShowStateKey) ==
ui::SHOW_STATE_NORMAL ||
window->GetProperty(aura::client::kShowStateKey) ==
ui::SHOW_STATE_DEFAULT;
}
bool IsWindowMaximized(aura::Window* window) {
return window->GetProperty(aura::client::kShowStateKey) ==
ui::SHOW_STATE_MAXIMIZED;
}
bool IsWindowMinimized(aura::Window* window) {
return window->GetProperty(aura::client::kShowStateKey) ==
ui::SHOW_STATE_MINIMIZED;
}
bool IsWindowFullscreen(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 CenterWindow(aura::Window* window) {
const gfx::Display display = gfx::Screen::GetDisplayNearestWindow(window);
gfx::Rect center = display.work_area().Center(window->bounds().size());
window->SetBounds(center);
}
ui::Layer* RecreateWindowLayers(aura::Window* window) {
const gfx::Rect bounds = window->bounds();
ui::Layer* old_layer = window->RecreateLayer();
DCHECK(old_layer);
// Resize the window to the new size, which will force a layout and paint.
window->SetBounds(bounds);
for (aura::Window::Windows::const_iterator it = window->children().begin();
it != window->children().end();
++it) {
aura::Window* child = *it;
const gfx::Rect child_bounds = child->bounds();
ui::Layer* old_child_layer = RecreateWindowLayers(child);
// Maintain the hierarchy of the detached layers.
old_layer->Add(old_child_layer);
child->SetBounds(child_bounds); // Resize the child window too.
}
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;
}
} // namespace wm
} // namespace ash
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