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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 "chrome/browser/ui/extensions/shell_window.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/extensions/extension_process_manager.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/extensions/extension.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_types.h"
ShellWindow* ShellWindow::Create(Profile* profile,
const Extension* extension,
const GURL& url) {
ExtensionProcessManager* manager = profile->GetExtensionProcessManager();
DCHECK(manager);
// This object will delete itself when the window is closed.
return ShellWindow::CreateShellWindow(
manager->CreateShellHost(extension, url));
}
void ShellWindow::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE:
if (content::Details<ExtensionHost>(host_.get()) == details)
Close();
break;
case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
const Extension* unloaded_extension =
content::Details<UnloadedExtensionInfo>(details)->extension;
// We compare extension IDs and not Extension pointers since ExtensionHost
// nulls out its Extension pointer when it gets this notification.
if (host_->extension_id() == unloaded_extension->id())
Close();
break;
}
case content::NOTIFICATION_APP_TERMINATING:
Close();
break;
default:
NOTREACHED() << "Received unexpected notification";
}
}
ShellWindow::ShellWindow(ExtensionHost* host)
: host_(host) {
// Close the window in response to window.close() and the like.
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE,
content::Source<Profile>(host->profile()));
// Also close if the window if the extension has been unloaded (parallels
// NOTIFICATION_EXTENSION_UNLOADED closing the app's tabs in TabStripModel).
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
content::Source<Profile>(host->profile()));
// Close when the browser is exiting.
// TODO(mihaip): we probably don't want this in the long run (when platform
// apps are no longer tied to the browser process).
registrar_.Add(this, content::NOTIFICATION_APP_TERMINATING,
content::NotificationService::AllSources());
// Prevent the browser process from shutting down while this window is open.
BrowserList::StartKeepAlive();
}
ShellWindow::~ShellWindow() {
// Unregister now to prevent getting NOTIFICATION_APP_TERMINATING if we're the
// last window open.
registrar_.RemoveAll();
// Remove shutdown prevention.
BrowserList::EndKeepAlive();
}
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