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// Copyright 2014 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 "chrome/browser/ui/ash/launcher/app_window_launcher_controller.h"
#include "apps/app_window.h"
#include "ash/shelf/shelf_util.h"
#include "ash/shell.h"
#include "ash/wm/window_util.h"
#include "base/strings/stringprintf.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h"
#include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
#include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
#include "chrome/browser/ui/host_desktop.h"
#include "extensions/common/extension.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/wm/public/activation_client.h"
using apps::AppWindow;
namespace {
std::string GetAppShelfId(AppWindow* app_window) {
if (app_window->window_type_is_panel())
return base::StringPrintf("panel:%d", app_window->session_id().id());
return app_window->extension_id();
}
bool ControlsWindow(aura::Window* window) {
return chrome::GetHostDesktopTypeForNativeWindow(window) ==
chrome::HOST_DESKTOP_TYPE_ASH;
}
} // namespace
AppWindowLauncherController::AppWindowLauncherController(
ChromeLauncherController* owner)
: owner_(owner), activation_client_(NULL) {
apps::AppWindowRegistry* registry =
apps::AppWindowRegistry::Get(owner->profile());
registry_.insert(registry);
registry->AddObserver(this);
if (ash::Shell::HasInstance()) {
if (ash::Shell::GetInstance()->GetPrimaryRootWindow()) {
activation_client_ = aura::client::GetActivationClient(
ash::Shell::GetInstance()->GetPrimaryRootWindow());
if (activation_client_)
activation_client_->AddObserver(this);
}
}
}
AppWindowLauncherController::~AppWindowLauncherController() {
for (std::set<apps::AppWindowRegistry*>::iterator it = registry_.begin();
it != registry_.end();
++it)
(*it)->RemoveObserver(this);
if (activation_client_)
activation_client_->RemoveObserver(this);
for (WindowToAppShelfIdMap::iterator iter =
window_to_app_shelf_id_map_.begin();
iter != window_to_app_shelf_id_map_.end();
++iter) {
iter->first->RemoveObserver(this);
}
}
void AppWindowLauncherController::AdditionalUserAddedToSession(
Profile* profile) {
// TODO(skuhne): This was added for the legacy side by side mode in M32. If
// this mode gets no longer pursued this special case can be removed.
if (chrome::MultiUserWindowManager::GetMultiProfileMode() !=
chrome::MultiUserWindowManager::MULTI_PROFILE_MODE_MIXED)
return;
apps::AppWindowRegistry* registry = apps::AppWindowRegistry::Get(profile);
if (registry_.find(registry) != registry_.end())
return;
registry->AddObserver(this);
registry_.insert(registry);
}
void AppWindowLauncherController::OnAppWindowIconChanged(
AppWindow* app_window) {
if (!ControlsWindow(app_window->GetNativeWindow()))
return;
const std::string app_shelf_id = GetAppShelfId(app_window);
AppControllerMap::iterator iter = app_controller_map_.find(app_shelf_id);
if (iter == app_controller_map_.end())
return;
AppWindowLauncherItemController* controller = iter->second;
controller->set_image_set_by_controller(true);
owner_->SetLauncherItemImage(controller->shelf_id(),
app_window->app_icon().AsImageSkia());
}
void AppWindowLauncherController::OnAppWindowShown(AppWindow* app_window) {
aura::Window* window = app_window->GetNativeWindow();
if (!ControlsWindow(window))
return;
if (!IsRegisteredApp(window))
RegisterApp(app_window);
}
void AppWindowLauncherController::OnAppWindowHidden(AppWindow* app_window) {
aura::Window* window = app_window->GetNativeWindow();
if (!ControlsWindow(window))
return;
if (IsRegisteredApp(window))
UnregisterApp(window);
}
// Called from aura::Window::~Window(), before delegate_->OnWindowDestroyed()
// which destroys AppWindow, so both |window| and the associated AppWindow
// are valid here.
void AppWindowLauncherController::OnWindowDestroying(aura::Window* window) {
if (!ControlsWindow(window))
return;
UnregisterApp(window);
}
void AppWindowLauncherController::OnWindowActivated(aura::Window* new_active,
aura::Window* old_active) {
// Make the newly active window the active (first) entry in the controller.
AppWindowLauncherItemController* new_controller =
ControllerForWindow(new_active);
if (new_controller) {
new_controller->SetActiveWindow(new_active);
owner_->SetItemStatus(new_controller->shelf_id(), ash::STATUS_ACTIVE);
}
// Mark the old active window's launcher item as running (if different).
AppWindowLauncherItemController* old_controller =
ControllerForWindow(old_active);
if (old_controller && old_controller != new_controller)
owner_->SetItemStatus(old_controller->shelf_id(), ash::STATUS_RUNNING);
}
void AppWindowLauncherController::RegisterApp(AppWindow* app_window) {
aura::Window* window = app_window->GetNativeWindow();
// Get the app's shelf identifier and add an entry to the map.
DCHECK(window_to_app_shelf_id_map_.find(window) ==
window_to_app_shelf_id_map_.end());
const std::string app_shelf_id = GetAppShelfId(app_window);
window_to_app_shelf_id_map_[window] = app_shelf_id;
window->AddObserver(this);
// Find or create an item controller and launcher item.
std::string app_id = app_window->extension_id();
ash::ShelfItemStatus status = ash::wm::IsActiveWindow(window)
? ash::STATUS_ACTIVE
: ash::STATUS_RUNNING;
AppControllerMap::iterator iter = app_controller_map_.find(app_shelf_id);
ash::ShelfID shelf_id = 0;
if (iter != app_controller_map_.end()) {
AppWindowLauncherItemController* controller = iter->second;
DCHECK(controller->app_id() == app_id);
shelf_id = controller->shelf_id();
controller->AddAppWindow(app_window, status);
} else {
LauncherItemController::Type type =
app_window->window_type_is_panel()
? LauncherItemController::TYPE_APP_PANEL
: LauncherItemController::TYPE_APP;
AppWindowLauncherItemController* controller =
new AppWindowLauncherItemController(type, app_shelf_id, app_id, owner_);
controller->AddAppWindow(app_window, status);
// If the app shelf id is not unique, and there is already a shelf
// item for this app id (e.g. pinned), use that shelf item.
if (app_shelf_id == app_id)
shelf_id = owner_->GetShelfIDForAppID(app_id);
if (shelf_id == 0) {
shelf_id = owner_->CreateAppLauncherItem(controller, app_id, status);
// Restore any existing app icon and flag as set.
const gfx::Image& app_icon = app_window->app_icon();
if (!app_icon.IsEmpty()) {
owner_->SetLauncherItemImage(shelf_id, app_icon.AsImageSkia());
controller->set_image_set_by_controller(true);
}
} else {
owner_->SetItemController(shelf_id, controller);
}
const std::string app_shelf_id = GetAppShelfId(app_window);
app_controller_map_[app_shelf_id] = controller;
}
owner_->SetItemStatus(shelf_id, status);
ash::SetShelfIDForWindow(shelf_id, window);
}
void AppWindowLauncherController::UnregisterApp(aura::Window* window) {
WindowToAppShelfIdMap::iterator iter1 =
window_to_app_shelf_id_map_.find(window);
DCHECK(iter1 != window_to_app_shelf_id_map_.end());
std::string app_shelf_id = iter1->second;
window_to_app_shelf_id_map_.erase(iter1);
window->RemoveObserver(this);
AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
DCHECK(iter2 != app_controller_map_.end());
AppWindowLauncherItemController* controller = iter2->second;
controller->RemoveAppWindowForWindow(window);
if (controller->app_window_count() == 0) {
// If this is the last window associated with the app shelf id, close the
// shelf item.
ash::ShelfID shelf_id = controller->shelf_id();
owner_->CloseLauncherItem(shelf_id);
app_controller_map_.erase(iter2);
}
}
bool AppWindowLauncherController::IsRegisteredApp(aura::Window* window) {
return window_to_app_shelf_id_map_.find(window) !=
window_to_app_shelf_id_map_.end();
}
// Private Methods
AppWindowLauncherItemController*
AppWindowLauncherController::ControllerForWindow(aura::Window* window) {
WindowToAppShelfIdMap::iterator iter1 =
window_to_app_shelf_id_map_.find(window);
if (iter1 == window_to_app_shelf_id_map_.end())
return NULL;
std::string app_shelf_id = iter1->second;
AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
if (iter2 == app_controller_map_.end())
return NULL;
return iter2->second;
}
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