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chrome/browser/browsing_data/browsing_data_file_system_helper.cc

 // 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/browsing_data/browsing_data_file_system_helper.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/sequenced_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_quota_util.h"
 #include "webkit/common/fileapi/file_system_types.h"
 
 using content::BrowserThread;
 
-namespace fileapi {
+namespace storage {
 class FileSystemContext;
 }
 
 namespace {
 
 // An implementation of the BrowsingDataFileSystemHelper interface that pulls
 // data from a given |filesystem_context| and returns a list of FileSystemInfo
 // items to a client.
 class BrowsingDataFileSystemHelperImpl : public BrowsingDataFileSystemHelper {
  public:
   // BrowsingDataFileSystemHelper implementation
   explicit BrowsingDataFileSystemHelperImpl(
-      fileapi::FileSystemContext* filesystem_context);
+      storage::FileSystemContext* filesystem_context);
   virtual void StartFetching(const base::Callback<
       void(const std::list<FileSystemInfo>&)>& callback) OVERRIDE;
   virtual void DeleteFileSystemOrigin(const GURL& origin) OVERRIDE;
 
  private:
   virtual ~BrowsingDataFileSystemHelperImpl();
 
   // Enumerates all filesystem files, storing the resulting list into
   // file_system_file_ for later use. This must be called on the file
   // task runner.
   void FetchFileSystemInfoInFileThread();
 
   // Triggers the success callback as the end of a StartFetching workflow. This
   // must be called on the UI thread.
   void NotifyOnUIThread();
 
   // Deletes all file systems associated with |origin|. This must be called on
   // the file task runner.
   void DeleteFileSystemOriginInFileThread(const GURL& origin);
 
   // Returns the file task runner for the |filesystem_context_|.
   base::SequencedTaskRunner* file_task_runner() {
     return filesystem_context_->default_file_task_runner();
   }
 
   // Keep a reference to the FileSystemContext object for the current profile
   // for use on the file task runner.
-  scoped_refptr<fileapi::FileSystemContext> filesystem_context_;
+  scoped_refptr<storage::FileSystemContext> filesystem_context_;
 
   // Holds the current list of file systems returned to the client after
   // StartFetching is called. Access to |file_system_info_| is triggered
   // indirectly via the UI thread and guarded by |is_fetching_|. This means
   // |file_system_info_| is only accessed while |is_fetching_| is true. The
   // flag |is_fetching_| is only accessed on the UI thread. In the context of
   // this class |file_system_info_| only mutates on the file task runner.
   std::list<FileSystemInfo> file_system_info_;
 
   // Holds the callback passed in at the beginning of the StartFetching workflow
   // so that it can be triggered via NotifyOnUIThread. This only mutates on the
   // UI thread.
   base::Callback<void(const std::list<FileSystemInfo>&)> completion_callback_;
 
   // Indicates whether or not we're currently fetching information: set to true
   // when StartFetching is called on the UI thread, and reset to false when
   // NotifyOnUIThread triggers the success callback.
   // This property only mutates on the UI thread.
   bool is_fetching_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataFileSystemHelperImpl);
 };
 
 BrowsingDataFileSystemHelperImpl::BrowsingDataFileSystemHelperImpl(
-    fileapi::FileSystemContext* filesystem_context)
-    : filesystem_context_(filesystem_context),
-      is_fetching_(false) {
+    storage::FileSystemContext* filesystem_context)
+    : filesystem_context_(filesystem_context), is_fetching_(false) {
   DCHECK(filesystem_context_.get());
 }
 
 BrowsingDataFileSystemHelperImpl::~BrowsingDataFileSystemHelperImpl() {
 }
 
 void BrowsingDataFileSystemHelperImpl::StartFetching(
     const base::Callback<void(const std::list<FileSystemInfo>&)>& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!is_fetching_);
@@ skipping 14 matching lines @@
       FROM_HERE,
       base::Bind(
           &BrowsingDataFileSystemHelperImpl::DeleteFileSystemOriginInFileThread,
           this, origin));
 }
 
 void BrowsingDataFileSystemHelperImpl::FetchFileSystemInfoInFileThread() {
   DCHECK(file_task_runner()->RunsTasksOnCurrentThread());
 
   // We check usage for these filesystem types.
-  const fileapi::FileSystemType types[] = {
-    fileapi::kFileSystemTypeTemporary,
-    fileapi::kFileSystemTypePersistent,
+  const storage::FileSystemType types[] = {
+    storage::kFileSystemTypeTemporary,
+    storage::kFileSystemTypePersistent,
 #if defined(ENABLE_EXTENSIONS)
-    fileapi::kFileSystemTypeSyncable,
+    storage::kFileSystemTypeSyncable,
 #endif
   };
 
   typedef std::map<GURL, FileSystemInfo> OriginInfoMap;
   OriginInfoMap file_system_info_map;
   for (size_t i = 0; i < arraysize(types); ++i) {
-    fileapi::FileSystemType type = types[i];
-    fileapi::FileSystemQuotaUtil* quota_util =
-      filesystem_context_->GetQuotaUtil(type);
+    storage::FileSystemType type = types[i];
+    storage::FileSystemQuotaUtil* quota_util =
+        filesystem_context_->GetQuotaUtil(type);
     DCHECK(quota_util);
     std::set<GURL> origins;
     quota_util->GetOriginsForTypeOnFileTaskRunner(type, &origins);
     for (std::set<GURL>::iterator iter = origins.begin();
         iter != origins.end(); ++iter) {
       const GURL& current = *iter;
       if (!BrowsingDataHelper::HasWebScheme(current))
         continue;  // Non-websafe state is not considered browsing data.
       int64 usage = quota_util->GetOriginUsageOnFileTaskRunner(
           filesystem_context_.get(), current, type);
@@ skipping 30 matching lines @@
 
 }  // namespace
 
 BrowsingDataFileSystemHelper::FileSystemInfo::FileSystemInfo(
     const GURL& origin) : origin(origin) {}
 
 BrowsingDataFileSystemHelper::FileSystemInfo::~FileSystemInfo() {}
 
 // static
 BrowsingDataFileSystemHelper* BrowsingDataFileSystemHelper::Create(
-    fileapi::FileSystemContext* filesystem_context) {
+    storage::FileSystemContext* filesystem_context) {
   return new BrowsingDataFileSystemHelperImpl(filesystem_context);
 }
 
 CannedBrowsingDataFileSystemHelper::CannedBrowsingDataFileSystemHelper(
     Profile* profile) {
 }
 
 CannedBrowsingDataFileSystemHelper::CannedBrowsingDataFileSystemHelper() {
 }
 
 CannedBrowsingDataFileSystemHelper::~CannedBrowsingDataFileSystemHelper() {}
 
 CannedBrowsingDataFileSystemHelper*
     CannedBrowsingDataFileSystemHelper::Clone() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   CannedBrowsingDataFileSystemHelper* clone =
       new CannedBrowsingDataFileSystemHelper();
   // This list only mutates on the UI thread, so it's safe to work with it here
   // (given the DCHECK above).
   clone->file_system_info_ = file_system_info_;
   return clone;
 }
 
 void CannedBrowsingDataFileSystemHelper::AddFileSystem(
-    const GURL& origin, const fileapi::FileSystemType type, const int64 size) {
+    const GURL& origin,
+    const storage::FileSystemType type,
+    const int64 size) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   // This canned implementation of AddFileSystem uses an O(n^2) algorithm; which
   // is fine, as it isn't meant for use in a high-volume context. If it turns
   // out that we want to start using this in a context with many, many origins,
   // we should think about reworking the implementation.
   bool duplicate_origin = false;
   for (std::list<FileSystemInfo>::iterator
            file_system = file_system_info_.begin();
        file_system != file_system_info_.end();
        ++file_system) {
@@ skipping 28 matching lines @@
 }
 
 void CannedBrowsingDataFileSystemHelper::StartFetching(
     const base::Callback<void(const std::list<FileSystemInfo>&)>& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!callback.is_null());
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE, base::Bind(callback, file_system_info_));
 }