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// Copyright (c) 2011 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 "ui/aura_shell/shell.h"
#include "ui/aura/desktop.h"
#include "ui/aura/toplevel_window_container.h"
#include "ui/aura/window.h"
#include "ui/aura/window_types.h"
#include "ui/aura_shell/desktop_layout_manager.h"
#include "ui/aura_shell/shell_factory.h"
#include "ui/aura_shell/shell_window_ids.h"
#include "views/widget/widget.h"
namespace aura_shell {
namespace {
// Creates each of the special window containers that holds windows of various
// types in the shell UI. They are added to |containers| from back to front in
// the z-index.
void CreateSpecialContainers(aura::Window::Windows* containers) {
aura::Window* background_container = new aura::Window(NULL);
background_container->set_id(
internal::kShellWindowId_DesktopBackgroundContainer);
containers->push_back(background_container);
aura::Window* default_container = new aura::ToplevelWindowContainer;
default_container->set_id(internal::kShellWindowId_DefaultContainer);
containers->push_back(default_container);
aura::Window* always_on_top_container = new aura::ToplevelWindowContainer;
always_on_top_container->set_id(
internal::kShellWindowId_AlwaysOnTopContainer);
containers->push_back(always_on_top_container);
aura::Window* launcher_container = new aura::Window(NULL);
launcher_container->set_id(internal::kShellWindowId_LauncherContainer);
containers->push_back(launcher_container);
aura::Window* lock_container = new aura::Window(NULL);
lock_container->set_stops_event_propagation(true);
lock_container->set_id(internal::kShellWindowId_LockScreenContainer);
containers->push_back(lock_container);
aura::Window* status_container = new aura::Window(NULL);
status_container->set_id(internal::kShellWindowId_StatusContainer);
containers->push_back(status_container);
aura::Window* menu_container = new aura::Window(NULL);
menu_container->set_id(internal::kShellWindowId_MenusAndTooltipsContainer);
containers->push_back(menu_container);
}
} // namespace
Shell::Shell() {
aura::Desktop::GetInstance()->SetDelegate(this);
}
Shell::~Shell() {
}
void Shell::Init() {
aura::Window::Windows containers;
CreateSpecialContainers(&containers);
aura::Window::Windows::const_iterator i;
for (i = containers.begin(); i != containers.end(); ++i) {
(*i)->Init();
aura::Desktop::GetInstance()->window()->AddChild(*i);
(*i)->Show();
}
aura::Window* root_window = aura::Desktop::GetInstance()->window();
internal::DesktopLayoutManager* desktop_layout =
new internal::DesktopLayoutManager(root_window);
root_window->SetLayoutManager(desktop_layout);
desktop_layout->set_background_widget(internal::CreateDesktopBackground());
desktop_layout->set_launcher_widget(internal::CreateLauncher());
desktop_layout->set_status_area_widget(internal::CreateStatusArea());
}
aura::Window* Shell::GetContainer(int container_id) {
return const_cast<aura::Window*>(
const_cast<const aura_shell::Shell*>(this)->GetContainer(container_id));
}
const aura::Window* Shell::GetContainer(int container_id) const {
return aura::Desktop::GetInstance()->window()->GetChildById(container_id);
}
void Shell::AddChildToDefaultParent(aura::Window* window) {
aura::Window* parent = NULL;
switch (window->type()) {
case aura::kWindowType_Toplevel:
parent = GetContainer(internal::kShellWindowId_DefaultContainer);
break;
case aura::kWindowType_Menu:
case aura::kWindowType_Tooltip:
parent = GetContainer(internal::kShellWindowId_MenusAndTooltipsContainer);
break;
default:
// This will crash for controls, since they can't be parented to anything.
break;
}
parent->AddChild(window);
}
aura::Window* Shell::GetTopmostWindowToActivate(aura::Window* ignore) const {
const aura::ToplevelWindowContainer* container =
GetContainer(internal::kShellWindowId_DefaultContainer)->
AsToplevelWindowContainer();
return container->GetTopmostWindowToActivate(ignore);
}
} // namespace aura_shell
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