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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_load_service.h"
#include "apps/app_load_service_factory.h"
#include "apps/launcher.h"
#include "apps/shell_window_registry.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/extensions/extension_prefs.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/extensions/unpacked_installer.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_constants.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
using extensions::Extension;
using extensions::ExtensionPrefs;
namespace apps {
AppLoadService::PostReloadAction::PostReloadAction()
: command_line(CommandLine::NO_PROGRAM) {
}
AppLoadService::AppLoadService(Profile* profile)
: profile_(profile) {
registrar_.Add(
this, chrome::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING,
content::NotificationService::AllSources());
registrar_.Add(
this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
content::NotificationService::AllSources());
}
AppLoadService::~AppLoadService() {}
void AppLoadService::RestartApplication(const std::string& extension_id) {
post_reload_actions_[extension_id].action_type = RESTART;
ExtensionService* service = extensions::ExtensionSystem::Get(profile_)->
extension_service();
DCHECK(service);
service->ReloadExtension(extension_id);
}
bool AppLoadService::LoadAndLaunch(const base::FilePath& extension_path,
const CommandLine& command_line,
const base::FilePath& current_dir) {
std::string extension_id;
if (!extensions::UnpackedInstaller::Create(profile_->GetExtensionService())->
LoadFromCommandLine(base::FilePath(extension_path), &extension_id)) {
return false;
}
// Schedule the app to be launched once loaded.
PostReloadAction& action = post_reload_actions_[extension_id];
action.action_type = LAUNCH_WITH_COMMAND_LINE;
action.command_line = command_line;
action.current_dir = current_dir;
return true;
}
// static
AppLoadService* AppLoadService::Get(Profile* profile) {
return apps::AppLoadServiceFactory::GetForProfile(profile);
}
void AppLoadService::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING: {
extensions::ExtensionHost* host =
content::Details<extensions::ExtensionHost>(details).ptr();
const Extension* extension = host->extension();
// It is possible for an extension to be unloaded before it stops loading.
if (!extension)
break;
std::map<std::string, PostReloadAction>::iterator it =
post_reload_actions_.find(extension->id());
if (it == post_reload_actions_.end())
break;
switch (it->second.action_type) {
case LAUNCH:
LaunchPlatformApp(profile_, extension);
break;
case RESTART:
RestartPlatformApp(profile_, extension);
break;
case LAUNCH_WITH_COMMAND_LINE:
LaunchPlatformAppWithCommandLine(
profile_, extension, &it->second.command_line,
it->second.current_dir);
break;
default:
NOTREACHED();
}
post_reload_actions_.erase(it);
break;
}
case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
const extensions::UnloadedExtensionInfo* unload_info =
content::Details<extensions::UnloadedExtensionInfo>(details).ptr();
if (!unload_info->extension->is_platform_app())
break;
if (WasUnloadedForReload(*unload_info) &&
HasShellWindows(unload_info->extension->id()) &&
!HasPostReloadAction(unload_info->extension->id())) {
post_reload_actions_[unload_info->extension->id()].action_type = LAUNCH;
}
break;
}
default:
NOTREACHED();
}
}
bool AppLoadService::HasShellWindows(const std::string& extension_id) {
return !ShellWindowRegistry::Get(profile_)->
GetShellWindowsForApp(extension_id).empty();
}
bool AppLoadService::WasUnloadedForReload(
const extensions::UnloadedExtensionInfo& unload_info) {
if (unload_info.reason == extension_misc::UNLOAD_REASON_DISABLE) {
ExtensionPrefs* prefs = ExtensionPrefs::Get(profile_);
return (prefs->GetDisableReasons(unload_info.extension->id()) &
Extension::DISABLE_RELOAD) != 0;
}
return false;
}
bool AppLoadService::HasPostReloadAction(const std::string& extension_id) {
return post_reload_actions_.find(extension_id) != post_reload_actions_.end();
}
} // namespace apps
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