chrome/browser/ui/webui/options/cookies_view_handler.cc - chromium/src - Git at Google

 // 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/webui/options/cookies_view_handler.h"

 #include <string>
 #include <utility>

 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browsing_data/browsing_data_appcache_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_cache_storage_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_channel_id_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_cookie_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_database_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_file_system_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_flash_lso_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_indexed_db_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_local_storage_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_media_license_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_quota_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_service_worker_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/cookies_tree_model_util.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_ui.h"

 namespace storage {
 class FileSystemContext;
 }

 namespace options {

 CookiesViewHandler::CookiesViewHandler()
   : batch_update_(false),
     model_util_(new CookiesTreeModelUtil) {
 }

 CookiesViewHandler::~CookiesViewHandler() {
 }

 void CookiesViewHandler::GetLocalizedValues(
     base::DictionaryValue* localized_strings) {
   DCHECK(localized_strings);

   static OptionsStringResource resources[] = {
       {"label_cookie_name", IDS_COOKIES_COOKIE_NAME_LABEL},
       {"label_cookie_content", IDS_COOKIES_COOKIE_CONTENT_LABEL},
       {"label_cookie_domain", IDS_COOKIES_COOKIE_DOMAIN_LABEL},
       {"label_cookie_path", IDS_COOKIES_COOKIE_PATH_LABEL},
       {"label_cookie_send_for", IDS_COOKIES_COOKIE_SENDFOR_LABEL},
       {"label_cookie_accessible_to_script",
        IDS_COOKIES_COOKIE_ACCESSIBLE_TO_SCRIPT_LABEL},
       {"label_cookie_created", IDS_COOKIES_COOKIE_CREATED_LABEL},
       {"label_cookie_expires", IDS_COOKIES_COOKIE_EXPIRES_LABEL},
       {"label_webdb_desc", IDS_COOKIES_WEB_DATABASE_DESCRIPTION_LABEL},
       {"label_local_storage_size",
        IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
       {"label_local_storage_last_modified",
        IDS_COOKIES_LOCAL_STORAGE_LAST_MODIFIED_LABEL},
       {"label_local_storage_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
       {"label_indexed_db_size", IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
       {"label_indexed_db_last_modified",
        IDS_COOKIES_LOCAL_STORAGE_LAST_MODIFIED_LABEL},
       {"label_indexed_db_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
       {"label_service_worker_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
       {"label_service_worker_size",
        IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
       {"label_service_worker_scopes", IDS_COOKIES_SERVICE_WORKER_SCOPES_LABEL},
       {"label_cache_storage_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
       {"label_cache_storage_size",
        IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
       {"label_cache_storage_last_modified",
        IDS_COOKIES_LOCAL_STORAGE_LAST_MODIFIED_LABEL},
       {"label_app_cache_manifest",
        IDS_COOKIES_APPLICATION_CACHE_MANIFEST_LABEL},
       {"label_cookie_last_accessed", IDS_COOKIES_LAST_ACCESSED_LABEL},
       {"cookie_domain", IDS_COOKIES_DOMAIN_COLUMN_HEADER},
       {"cookie_local_data", IDS_COOKIES_DATA_COLUMN_HEADER},
       {"cookie_singular", IDS_COOKIES_SINGLE_COOKIE},
       {"cookie_plural", IDS_COOKIES_PLURAL_COOKIES},
       {"cookie_database_storage", IDS_COOKIES_DATABASE_STORAGE},
       {"cookie_indexed_db", IDS_COOKIES_INDEXED_DB},
       {"cookie_local_storage", IDS_COOKIES_LOCAL_STORAGE},
       {"cookie_app_cache", IDS_COOKIES_APPLICATION_CACHE},
       {"cookie_service_worker", IDS_COOKIES_SERVICE_WORKER},
       {"cookie_cache_storage", IDS_COOKIES_CACHE_STORAGE},
       {"cookie_flash_lso", IDS_COOKIES_FLASH_LSO},
       {"search_cookies", IDS_COOKIES_SEARCH_COOKIES},
       {"remove_cookie", IDS_COOKIES_REMOVE_LABEL},
       {"remove_all_cookie", IDS_COOKIES_REMOVE_ALL_LABEL},
       {"remove_all_shown_cookie", IDS_COOKIES_REMOVE_ALL_SHOWN_LABEL},
       {"cookie_file_system", IDS_COOKIES_FILE_SYSTEM},
       {"label_file_system_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
       {"label_file_system_temporary_usage",
        IDS_COOKIES_FILE_SYSTEM_TEMPORARY_USAGE_LABEL},
       {"label_file_system_persistent_usage",
        IDS_COOKIES_FILE_SYSTEM_PERSISTENT_USAGE_LABEL},
       {"cookie_channel_id", IDS_COOKIES_CHANNEL_ID},
       {"label_channel_id_server_id", IDS_COOKIES_CHANNEL_ID_ORIGIN_LABEL},
       {"label_channel_id_type", IDS_COOKIES_CHANNEL_ID_TYPE_LABEL},
       {"label_channel_id_created", IDS_COOKIES_CHANNEL_ID_CREATED_LABEL},
       {"label_channel_id_expires", IDS_COOKIES_CHANNEL_ID_EXPIRES_LABEL},
       {"label_protected_by_apps",
        IDS_GEOLOCATION_SET_BY_HOVER},  // TODO(bauerb): Use a better string
       {"cookie_media_license", IDS_COOKIES_MEDIA_LICENSE},
       {"label_media_license_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
       {"label_media_license_size",
        IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
       {"label_media_license_last_modified",
        IDS_COOKIES_LOCAL_STORAGE_LAST_MODIFIED_LABEL},
   };

   RegisterStrings(localized_strings, resources, arraysize(resources));
   RegisterTitle(localized_strings, "cookiesViewPage",
                 IDS_COOKIES_WEBSITE_PERMISSIONS_WINDOW_TITLE);
 }

 void CookiesViewHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("updateCookieSearchResults",
       base::Bind(&CookiesViewHandler::UpdateSearchResults,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("removeAllCookies",
       base::Bind(&CookiesViewHandler::RemoveAll,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("removeCookie",
       base::Bind(&CookiesViewHandler::Remove,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("loadCookie",
       base::Bind(&CookiesViewHandler::LoadChildren,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("reloadCookies",
       base::Bind(&CookiesViewHandler::ReloadCookies,
                  base::Unretained(this)));
 }

 void CookiesViewHandler::TreeNodesAdded(ui::TreeModel* model,
                                         ui::TreeModelNode* parent,
                                         int start,
                                         int count) {
   // Skip if there is a batch update in progress.
   if (batch_update_)
     return;

   CookiesTreeModel* tree_model = static_cast<CookiesTreeModel*>(model);
   CookieTreeNode* parent_node = tree_model->AsNode(parent);

   std::unique_ptr<base::ListValue> children(new base::ListValue);
   model_util_->GetChildNodeList(
       parent_node, start, count, /*include_quota_nodes=*/true, children.get());

   base::ListValue args;
   if (parent == tree_model->GetRoot())
     args.Append(base::MakeUnique<base::Value>());
   else
     args.AppendString(model_util_->GetTreeNodeId(parent_node));
   args.AppendInteger(start);
   args.Append(std::move(children));
   web_ui()->CallJavascriptFunctionUnsafe("CookiesView.onTreeItemAdded", args);
 }

 void CookiesViewHandler::TreeNodesRemoved(ui::TreeModel* model,
                                           ui::TreeModelNode* parent,
                                           int start,
                                           int count) {
   // Skip if there is a batch update in progress.
   if (batch_update_)
     return;

   CookiesTreeModel* tree_model = static_cast<CookiesTreeModel*>(model);

   base::ListValue args;
   if (parent == tree_model->GetRoot())
     args.Append(base::MakeUnique<base::Value>());
   else
     args.AppendString(model_util_->GetTreeNodeId(tree_model->AsNode(parent)));
   args.AppendInteger(start);
   args.AppendInteger(count);
   web_ui()->CallJavascriptFunctionUnsafe("CookiesView.onTreeItemRemoved", args);
 }

 void CookiesViewHandler::TreeModelBeginBatch(CookiesTreeModel* model) {
   DCHECK(!batch_update_);  // There should be no nested batch begin.
   batch_update_ = true;
 }

 void CookiesViewHandler::TreeModelEndBatch(CookiesTreeModel* model) {
   DCHECK(batch_update_);
   batch_update_ = false;

   SendChildren(model->GetRoot());
 }

 void CookiesViewHandler::EnsureCookiesTreeModelCreated() {
   if (!cookies_tree_model_.get()) {
     Profile* profile = Profile::FromWebUI(web_ui());
     content::StoragePartition* storage_partition =
         content::BrowserContext::GetDefaultStoragePartition(profile);
     content::IndexedDBContext* indexed_db_context =
         storage_partition->GetIndexedDBContext();
     content::ServiceWorkerContext* service_worker_context =
         storage_partition->GetServiceWorkerContext();
     content::CacheStorageContext* cache_storage_context =
         storage_partition->GetCacheStorageContext();
     storage::FileSystemContext* file_system_context =
         storage_partition->GetFileSystemContext();
     LocalDataContainer* container = new LocalDataContainer(
         new BrowsingDataCookieHelper(profile->GetRequestContext()),
         new BrowsingDataDatabaseHelper(profile),
         new BrowsingDataLocalStorageHelper(profile), NULL,
         new BrowsingDataAppCacheHelper(profile),
         new BrowsingDataIndexedDBHelper(indexed_db_context),
         BrowsingDataFileSystemHelper::Create(file_system_context),
         BrowsingDataQuotaHelper::Create(profile),
         BrowsingDataChannelIDHelper::Create(profile->GetRequestContext()),
         new BrowsingDataServiceWorkerHelper(service_worker_context),
         new BrowsingDataCacheStorageHelper(cache_storage_context),
         BrowsingDataFlashLSOHelper::Create(profile),
         BrowsingDataMediaLicenseHelper::Create(file_system_context));
     cookies_tree_model_.reset(new CookiesTreeModel(
         container, profile->GetExtensionSpecialStoragePolicy()));
     cookies_tree_model_->AddCookiesTreeObserver(this);
   }
 }

 void CookiesViewHandler::UpdateSearchResults(const base::ListValue* args) {
   base::string16 query;
   if (!args->GetString(0, &query))
     return;

   EnsureCookiesTreeModelCreated();

   cookies_tree_model_->UpdateSearchResults(query);
 }

 void CookiesViewHandler::RemoveAll(const base::ListValue* args) {
   EnsureCookiesTreeModelCreated();
   cookies_tree_model_->DeleteAllStoredObjects();
 }

 void CookiesViewHandler::Remove(const base::ListValue* args) {
   std::string node_path;
   if (!args->GetString(0, &node_path))
     return;

   EnsureCookiesTreeModelCreated();

   const CookieTreeNode* node = model_util_->GetTreeNodeFromPath(
       cookies_tree_model_->GetRoot(), node_path);
   if (node)
     cookies_tree_model_->DeleteCookieNode(const_cast<CookieTreeNode*>(node));
 }

 void CookiesViewHandler::LoadChildren(const base::ListValue* args) {
   std::string node_path;
   if (!args->GetString(0, &node_path))
     return;

   EnsureCookiesTreeModelCreated();

   const CookieTreeNode* node = model_util_->GetTreeNodeFromPath(
       cookies_tree_model_->GetRoot(), node_path);
   if (node)
     SendChildren(node);
 }

 void CookiesViewHandler::SendChildren(const CookieTreeNode* parent) {
   std::unique_ptr<base::ListValue> children(new base::ListValue);
   model_util_->GetChildNodeList(parent,  /*start=*/0, parent->child_count(),
       /*include_quota_nodes=*/true, children.get());

   base::ListValue args;
   if (parent == cookies_tree_model_->GetRoot())
     args.Append(base::MakeUnique<base::Value>());
   else
     args.AppendString(model_util_->GetTreeNodeId(parent));
   args.Append(std::move(children));

   web_ui()->CallJavascriptFunctionUnsafe("CookiesView.loadChildren", args);
 }

 void CookiesViewHandler::ReloadCookies(const base::ListValue* args) {
   cookies_tree_model_.reset();

   EnsureCookiesTreeModelCreated();
 }

 }  // namespace options
	// 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/webui/options/cookies_view_handler.h"

	#include <string>
	#include <utility>

	#include "base/bind.h"
	#include "base/bind_helpers.h"
	#include "base/macros.h"
	#include "base/memory/ptr_util.h"
	#include "base/strings/utf_string_conversions.h"
	#include "base/values.h"
	#include "chrome/browser/browsing_data/browsing_data_appcache_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_cache_storage_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_channel_id_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_cookie_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_database_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_file_system_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_flash_lso_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_indexed_db_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_local_storage_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_media_license_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_quota_helper.h"
	#include "chrome/browser/browsing_data/browsing_data_service_worker_helper.h"
	#include "chrome/browser/profiles/profile.h"
	#include "chrome/browser/ui/webui/cookies_tree_model_util.h"
	#include "chrome/grit/generated_resources.h"
	#include "content/public/browser/browser_context.h"
	#include "content/public/browser/render_process_host.h"
	#include "content/public/browser/site_instance.h"
	#include "content/public/browser/storage_partition.h"
	#include "content/public/browser/web_ui.h"

	namespace storage {
	class FileSystemContext;
	}

	namespace options {

	CookiesViewHandler::CookiesViewHandler()
	: batch_update_(false),
	model_util_(new CookiesTreeModelUtil) {
	}

	CookiesViewHandler::~CookiesViewHandler() {
	}

	void CookiesViewHandler::GetLocalizedValues(
	base::DictionaryValue* localized_strings) {
	DCHECK(localized_strings);

	static OptionsStringResource resources[] = {
	{"label_cookie_name", IDS_COOKIES_COOKIE_NAME_LABEL},
	{"label_cookie_content", IDS_COOKIES_COOKIE_CONTENT_LABEL},
	{"label_cookie_domain", IDS_COOKIES_COOKIE_DOMAIN_LABEL},
	{"label_cookie_path", IDS_COOKIES_COOKIE_PATH_LABEL},
	{"label_cookie_send_for", IDS_COOKIES_COOKIE_SENDFOR_LABEL},
	{"label_cookie_accessible_to_script",
	IDS_COOKIES_COOKIE_ACCESSIBLE_TO_SCRIPT_LABEL},
	{"label_cookie_created", IDS_COOKIES_COOKIE_CREATED_LABEL},
	{"label_cookie_expires", IDS_COOKIES_COOKIE_EXPIRES_LABEL},
	{"label_webdb_desc", IDS_COOKIES_WEB_DATABASE_DESCRIPTION_LABEL},
	{"label_local_storage_size",
	IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
	{"label_local_storage_last_modified",
	IDS_COOKIES_LOCAL_STORAGE_LAST_MODIFIED_LABEL},
	{"label_local_storage_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
	{"label_indexed_db_size", IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
	{"label_indexed_db_last_modified",
	IDS_COOKIES_LOCAL_STORAGE_LAST_MODIFIED_LABEL},
	{"label_indexed_db_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
	{"label_service_worker_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
	{"label_service_worker_size",
	IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
	{"label_service_worker_scopes", IDS_COOKIES_SERVICE_WORKER_SCOPES_LABEL},
	{"label_cache_storage_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
	{"label_cache_storage_size",
	IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
	{"label_cache_storage_last_modified",
	IDS_COOKIES_LOCAL_STORAGE_LAST_MODIFIED_LABEL},
	{"label_app_cache_manifest",
	IDS_COOKIES_APPLICATION_CACHE_MANIFEST_LABEL},
	{"label_cookie_last_accessed", IDS_COOKIES_LAST_ACCESSED_LABEL},
	{"cookie_domain", IDS_COOKIES_DOMAIN_COLUMN_HEADER},
	{"cookie_local_data", IDS_COOKIES_DATA_COLUMN_HEADER},
	{"cookie_singular", IDS_COOKIES_SINGLE_COOKIE},
	{"cookie_plural", IDS_COOKIES_PLURAL_COOKIES},
	{"cookie_database_storage", IDS_COOKIES_DATABASE_STORAGE},
	{"cookie_indexed_db", IDS_COOKIES_INDEXED_DB},
	{"cookie_local_storage", IDS_COOKIES_LOCAL_STORAGE},
	{"cookie_app_cache", IDS_COOKIES_APPLICATION_CACHE},
	{"cookie_service_worker", IDS_COOKIES_SERVICE_WORKER},
	{"cookie_cache_storage", IDS_COOKIES_CACHE_STORAGE},
	{"cookie_flash_lso", IDS_COOKIES_FLASH_LSO},
	{"search_cookies", IDS_COOKIES_SEARCH_COOKIES},
	{"remove_cookie", IDS_COOKIES_REMOVE_LABEL},
	{"remove_all_cookie", IDS_COOKIES_REMOVE_ALL_LABEL},
	{"remove_all_shown_cookie", IDS_COOKIES_REMOVE_ALL_SHOWN_LABEL},
	{"cookie_file_system", IDS_COOKIES_FILE_SYSTEM},
	{"label_file_system_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
	{"label_file_system_temporary_usage",
	IDS_COOKIES_FILE_SYSTEM_TEMPORARY_USAGE_LABEL},
	{"label_file_system_persistent_usage",
	IDS_COOKIES_FILE_SYSTEM_PERSISTENT_USAGE_LABEL},
	{"cookie_channel_id", IDS_COOKIES_CHANNEL_ID},
	{"label_channel_id_server_id", IDS_COOKIES_CHANNEL_ID_ORIGIN_LABEL},
	{"label_channel_id_type", IDS_COOKIES_CHANNEL_ID_TYPE_LABEL},
	{"label_channel_id_created", IDS_COOKIES_CHANNEL_ID_CREATED_LABEL},
	{"label_channel_id_expires", IDS_COOKIES_CHANNEL_ID_EXPIRES_LABEL},
	{"label_protected_by_apps",
	IDS_GEOLOCATION_SET_BY_HOVER}, // TODO(bauerb): Use a better string
	{"cookie_media_license", IDS_COOKIES_MEDIA_LICENSE},
	{"label_media_license_origin", IDS_COOKIES_LOCAL_STORAGE_ORIGIN_LABEL},
	{"label_media_license_size",
	IDS_COOKIES_LOCAL_STORAGE_SIZE_ON_DISK_LABEL},
	{"label_media_license_last_modified",
	IDS_COOKIES_LOCAL_STORAGE_LAST_MODIFIED_LABEL},
	};

	RegisterStrings(localized_strings, resources, arraysize(resources));
	RegisterTitle(localized_strings, "cookiesViewPage",
	IDS_COOKIES_WEBSITE_PERMISSIONS_WINDOW_TITLE);
	}

	void CookiesViewHandler::RegisterMessages() {
	web_ui()->RegisterMessageCallback("updateCookieSearchResults",
	base::Bind(&CookiesViewHandler::UpdateSearchResults,
	base::Unretained(this)));
	web_ui()->RegisterMessageCallback("removeAllCookies",
	base::Bind(&CookiesViewHandler::RemoveAll,
	base::Unretained(this)));
	web_ui()->RegisterMessageCallback("removeCookie",
	base::Bind(&CookiesViewHandler::Remove,
	base::Unretained(this)));
	web_ui()->RegisterMessageCallback("loadCookie",
	base::Bind(&CookiesViewHandler::LoadChildren,
	base::Unretained(this)));
	web_ui()->RegisterMessageCallback("reloadCookies",
	base::Bind(&CookiesViewHandler::ReloadCookies,
	base::Unretained(this)));
	}

	void CookiesViewHandler::TreeNodesAdded(ui::TreeModel* model,
	ui::TreeModelNode* parent,
	int start,
	int count) {
	// Skip if there is a batch update in progress.
	if (batch_update_)
	return;

	CookiesTreeModel* tree_model = static_cast<CookiesTreeModel*>(model);
	CookieTreeNode* parent_node = tree_model->AsNode(parent);

	std::unique_ptr<base::ListValue> children(new base::ListValue);
	model_util_->GetChildNodeList(
	parent_node, start, count, /include_quota_nodes=/true, children.get());

	base::ListValue args;
	if (parent == tree_model->GetRoot())
	args.Append(base::MakeUnique<base::Value>());
	else
	args.AppendString(model_util_->GetTreeNodeId(parent_node));
	args.AppendInteger(start);
	args.Append(std::move(children));
	web_ui()->CallJavascriptFunctionUnsafe("CookiesView.onTreeItemAdded", args);
	}

	void CookiesViewHandler::TreeNodesRemoved(ui::TreeModel* model,
	ui::TreeModelNode* parent,
	int start,
	int count) {
	// Skip if there is a batch update in progress.
	if (batch_update_)
	return;

	CookiesTreeModel* tree_model = static_cast<CookiesTreeModel*>(model);

	base::ListValue args;
	if (parent == tree_model->GetRoot())
	args.Append(base::MakeUnique<base::Value>());
	else
	args.AppendString(model_util_->GetTreeNodeId(tree_model->AsNode(parent)));
	args.AppendInteger(start);
	args.AppendInteger(count);
	web_ui()->CallJavascriptFunctionUnsafe("CookiesView.onTreeItemRemoved", args);
	}

	void CookiesViewHandler::TreeModelBeginBatch(CookiesTreeModel* model) {
	DCHECK(!batch_update_); // There should be no nested batch begin.
	batch_update_ = true;
	}

	void CookiesViewHandler::TreeModelEndBatch(CookiesTreeModel* model) {
	DCHECK(batch_update_);
	batch_update_ = false;

	SendChildren(model->GetRoot());
	}

	void CookiesViewHandler::EnsureCookiesTreeModelCreated() {
	if (!cookies_tree_model_.get()) {
	Profile* profile = Profile::FromWebUI(web_ui());
	content::StoragePartition* storage_partition =
	content::BrowserContext::GetDefaultStoragePartition(profile);
	content::IndexedDBContext* indexed_db_context =
	storage_partition->GetIndexedDBContext();
	content::ServiceWorkerContext* service_worker_context =
	storage_partition->GetServiceWorkerContext();
	content::CacheStorageContext* cache_storage_context =
	storage_partition->GetCacheStorageContext();
	storage::FileSystemContext* file_system_context =
	storage_partition->GetFileSystemContext();
	LocalDataContainer* container = new LocalDataContainer(
	new BrowsingDataCookieHelper(profile->GetRequestContext()),
	new BrowsingDataDatabaseHelper(profile),
	new BrowsingDataLocalStorageHelper(profile), NULL,
	new BrowsingDataAppCacheHelper(profile),
	new BrowsingDataIndexedDBHelper(indexed_db_context),
	BrowsingDataFileSystemHelper::Create(file_system_context),
	BrowsingDataQuotaHelper::Create(profile),
	BrowsingDataChannelIDHelper::Create(profile->GetRequestContext()),
	new BrowsingDataServiceWorkerHelper(service_worker_context),
	new BrowsingDataCacheStorageHelper(cache_storage_context),
	BrowsingDataFlashLSOHelper::Create(profile),
	BrowsingDataMediaLicenseHelper::Create(file_system_context));
	cookies_tree_model_.reset(new CookiesTreeModel(
	container, profile->GetExtensionSpecialStoragePolicy()));
	cookies_tree_model_->AddCookiesTreeObserver(this);
	}
	}

	void CookiesViewHandler::UpdateSearchResults(const base::ListValue* args) {
	base::string16 query;
	if (!args->GetString(0, &query))
	return;

	EnsureCookiesTreeModelCreated();

	cookies_tree_model_->UpdateSearchResults(query);
	}

	void CookiesViewHandler::RemoveAll(const base::ListValue* args) {
	EnsureCookiesTreeModelCreated();
	cookies_tree_model_->DeleteAllStoredObjects();
	}

	void CookiesViewHandler::Remove(const base::ListValue* args) {
	std::string node_path;
	if (!args->GetString(0, &node_path))
	return;

	EnsureCookiesTreeModelCreated();

	const CookieTreeNode* node = model_util_->GetTreeNodeFromPath(
	cookies_tree_model_->GetRoot(), node_path);
	if (node)
	cookies_tree_model_->DeleteCookieNode(const_cast<CookieTreeNode*>(node));
	}

	void CookiesViewHandler::LoadChildren(const base::ListValue* args) {
	std::string node_path;
	if (!args->GetString(0, &node_path))
	return;

	EnsureCookiesTreeModelCreated();

	const CookieTreeNode* node = model_util_->GetTreeNodeFromPath(
	cookies_tree_model_->GetRoot(), node_path);
	if (node)
	SendChildren(node);
	}

	void CookiesViewHandler::SendChildren(const CookieTreeNode* parent) {
	std::unique_ptr<base::ListValue> children(new base::ListValue);
	model_util_->GetChildNodeList(parent, /start=/0, parent->child_count(),
	/include_quota_nodes=/true, children.get());

	base::ListValue args;
	if (parent == cookies_tree_model_->GetRoot())
	args.Append(base::MakeUnique<base::Value>());
	else
	args.AppendString(model_util_->GetTreeNodeId(parent));
	args.Append(std::move(children));

	web_ui()->CallJavascriptFunctionUnsafe("CookiesView.loadChildren", args);
	}

	void CookiesViewHandler::ReloadCookies(const base::ListValue* args) {
	cookies_tree_model_.reset();

	EnsureCookiesTreeModelCreated();
	}

	} // namespace options