// 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 "extensions/browser/extension_util.h"

#include "extensions/browser/extension_prefs.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/manifest_handlers/app_isolation_info.h"

namespace extensions {
namespace util {

bool IsExtensionInstalledPermanently(const std::string& extension_id,
                                     content::BrowserContext* context) {
  const Extension* extension = ExtensionRegistry::Get(context)->
      GetExtensionById(extension_id, ExtensionRegistry::EVERYTHING);
  return extension && !IsEphemeralApp(extension_id, context);
}

bool IsEphemeralApp(const std::string& extension_id,
                    content::BrowserContext* context) {
  return ExtensionPrefs::Get(context)->IsEphemeralApp(extension_id);
}

bool HasIsolatedStorage(const ExtensionInfo& info) {
  if (!info.extension_manifest.get())
    return false;

  std::string error;
  scoped_refptr<const Extension> extension(Extension::Create(
      info.extension_path,
      info.extension_location,
      *info.extension_manifest,
      Extension::NO_FLAGS,
      info.extension_id,
      &error));

  return extension.get() &&
         AppIsolationInfo::HasIsolatedStorage(extension.get());
}

bool SiteHasIsolatedStorage(const GURL& extension_site_url,
                            content::BrowserContext* context) {
  const Extension* extension = ExtensionRegistry::Get(context)->
      enabled_extensions().GetExtensionOrAppByURL(extension_site_url);

  return extension && AppIsolationInfo::HasIsolatedStorage(extension);
}

}  // namespace util
}  // namespace extensions