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// Copyright 2013 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 "apps/app_shim/app_shim_host_mac.h"
#include "apps/app_shim/app_shim_messages.h"
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/extensions/shell_window_registry.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/extensions/application_launch.h"
#include "chrome/common/extensions/extension_constants.h"
#include "ipc/ipc_channel_proxy.h"
AppShimHost::AppShimHost()
: channel_(NULL), profile_(NULL) {
}
AppShimHost::~AppShimHost() {
DCHECK(CalledOnValidThread());
}
void AppShimHost::ServeChannel(const IPC::ChannelHandle& handle) {
DCHECK(CalledOnValidThread());
DCHECK(!channel_.get());
channel_.reset(new IPC::ChannelProxy(handle, IPC::Channel::MODE_SERVER, this,
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
}
bool AppShimHost::OnMessageReceived(const IPC::Message& message) {
DCHECK(CalledOnValidThread());
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(AppShimHost, message)
IPC_MESSAGE_HANDLER(AppShimHostMsg_LaunchApp, OnLaunchApp)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
bool AppShimHost::Send(IPC::Message* message) {
DCHECK(channel_.get());
return channel_->Send(message);
}
void AppShimHost::OnLaunchApp(std::string profile_dir, std::string app_id) {
DCHECK(CalledOnValidThread());
bool success = LaunchAppImpl(profile_dir, app_id);
Send(new AppShimMsg_LaunchApp_Done(success));
}
bool AppShimHost::LaunchAppImpl(const std::string& profile_dir,
const std::string& app_id) {
DCHECK(CalledOnValidThread());
if (profile_) {
// Only one app launch message per channel.
return false;
}
if (!extensions::Extension::IdIsValid(app_id)) {
LOG(ERROR) << "Bad app ID from app shim launch message.";
return false;
}
Profile* profile = FetchProfileForDirectory(profile_dir);
if (!profile)
return false;
if (!LaunchApp(profile, app_id))
return false;
profile_ = profile;
app_id_ = app_id;
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED,
content::Source<Profile>(profile_));
return true;
}
Profile* AppShimHost::FetchProfileForDirectory(const std::string& profile_dir) {
ProfileManager* profileManager = g_browser_process->profile_manager();
// Even though the name of this function is "unsafe", there's no security
// issue here -- the check for the profile name in the profile info cache
// ensures that we never access any directory that isn't a known profile.
base::FilePath path = base::FilePath::FromUTF8Unsafe(profile_dir);
path = profileManager->user_data_dir().Append(path);
ProfileInfoCache& cache = profileManager->GetProfileInfoCache();
// This ensures that the given profile path is acutally a profile that we
// already know about.
if (cache.GetIndexOfProfileWithPath(path) == std::string::npos) {
LOG(ERROR) << "Requested directory is not a known profile.";
return NULL;
}
Profile* profile = profileManager->GetProfile(path);
if (!profile) {
LOG(ERROR) << "Couldn't get profile for directory '" << profile_dir << "'.";
return NULL;
}
return profile;
}
bool AppShimHost::LaunchApp(Profile* profile, const std::string& app_id) {
extensions::ExtensionSystem* extension_system =
extensions::ExtensionSystem::Get(profile);
ExtensionServiceInterface* extension_service =
extension_system->extension_service();
const extensions::Extension* extension =
extension_service->GetExtensionById(
app_id, false);
if (!extension) {
LOG(ERROR) << "Attempted to launch nonexistent app with id '"
<< app_id << "'.";
return false;
}
// TODO(jeremya): Handle the case that launching the app fails. Probably we
// need to watch for 'app successfully launched' or at least 'background page
// exists/was created' and time out with failure if we don't see that sign of
// life within a certain window.
chrome::AppLaunchParams params(profile,
extension,
extension_misc::LAUNCH_NONE,
NEW_WINDOW);
chrome::OpenApplication(params);
return true;
}
void AppShimHost::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK(CalledOnValidThread());
DCHECK(content::Source<Profile>(source).ptr() == profile_);
switch (type) {
case chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED: {
extensions::ExtensionHost* extension_host =
content::Details<extensions::ExtensionHost>(details).ptr();
if (app_id_ == extension_host->extension_id())
Close();
break;
}
default:
NOTREACHED() << "Unexpected notification sent.";
break;
}
}
void AppShimHost::Close() {
DCHECK(CalledOnValidThread());
delete this;
}
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