Upstream version 10.39.225.0

[platform/framework/web/crosswalk.git] / src / chrome / browser / chromeos / drive / fileapi / file_system_backend_delegate.cc

diff --git a/src/chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.cc b/src/chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.cc
index 9e7cfe4..0c5c3e0 100644 (file)
--- a/src/chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.cc
+++ b/src/chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
+#include "chrome/browser/chromeos/drive/file_system_interface.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/fileapi/async_file_util.h"
 #include "chrome/browser/chromeos/drive/fileapi/fileapi_worker.h"
@@ -14,14 +15,60 @@
 #include "chrome/browser/chromeos/drive/fileapi/webkit_file_stream_writer_impl.h"
 #include "chrome/browser/drive/drive_api_util.h"
 #include "content/public/browser/browser_thread.h"
-#include "webkit/browser/blob/file_stream_reader.h"
-#include "webkit/browser/fileapi/async_file_util.h"
-#include "webkit/browser/fileapi/file_system_context.h"
-#include "webkit/browser/fileapi/file_system_url.h"
+#include "storage/browser/blob/file_stream_reader.h"
+#include "storage/browser/fileapi/async_file_util.h"
+#include "storage/browser/fileapi/file_system_context.h"
+#include "storage/browser/fileapi/file_system_url.h"
 
 using content::BrowserThread;
 
 namespace drive {
+namespace {
+
+// Called on the UI thread after GetRedirectURLForContentsOnUIThread. Obtains
+// the browser URL from |entry|. |callback| will be called on the IO thread.
+void GetRedirectURLForContentsOnUIThreadWithResourceEntry(
+    const storage::URLCallback& callback,
+    FileError error,
+    scoped_ptr<ResourceEntry> entry) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  GURL url;
+  if (error == FILE_ERROR_OK && entry->has_file_specific_info() &&
+      entry->file_specific_info().is_hosted_document()) {
+    url = GURL(entry->file_specific_info().alternate_url());
+  }
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE, base::Bind(callback, url));
+}
+
+// Called on the UI thread after
+// FileSystemBackendDelegate::GetRedirectURLForContents.  Requestes to obtain
+// ResourceEntry for the |url|.
+void GetRedirectURLForContentsOnUIThread(
+    const storage::FileSystemURL& url,
+    const storage::URLCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  FileSystemInterface* const file_system =
+      fileapi_internal::GetFileSystemFromUrl(url);
+  if (!file_system) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE, base::Bind(callback, GURL()));
+    return;
+  }
+  const base::FilePath file_path = util::ExtractDrivePathFromFileSystemUrl(url);
+  if (file_path.empty()) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE, base::Bind(callback, GURL()));
+    return;
+  }
+
+  file_system->GetResourceEntry(
+      file_path,
+      base::Bind(&GetRedirectURLForContentsOnUIThreadWithResourceEntry,
+                 callback));
+}
+
+}  // namespace
 
 FileSystemBackendDelegate::FileSystemBackendDelegate()
     : async_file_util_(new internal::AsyncFileUtil) {
@@ -30,50 +77,71 @@ FileSystemBackendDelegate::FileSystemBackendDelegate()
 FileSystemBackendDelegate::~FileSystemBackendDelegate() {
 }
 
-fileapi::AsyncFileUtil* FileSystemBackendDelegate::GetAsyncFileUtil(
-    fileapi::FileSystemType type) {
+storage::AsyncFileUtil* FileSystemBackendDelegate::GetAsyncFileUtil(
+    storage::FileSystemType type) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  DCHECK_EQ(fileapi::kFileSystemTypeDrive, type);
+  DCHECK_EQ(storage::kFileSystemTypeDrive, type);
   return async_file_util_.get();
 }
 
-scoped_ptr<webkit_blob::FileStreamReader>
+scoped_ptr<storage::FileStreamReader>
 FileSystemBackendDelegate::CreateFileStreamReader(
-    const fileapi::FileSystemURL& url,
+    const storage::FileSystemURL& url,
     int64 offset,
+    int64 max_bytes_to_read,
     const base::Time& expected_modification_time,
-    fileapi::FileSystemContext* context) {
+    storage::FileSystemContext* context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  DCHECK_EQ(fileapi::kFileSystemTypeDrive, url.type());
+  DCHECK_EQ(storage::kFileSystemTypeDrive, url.type());
 
   base::FilePath file_path = util::ExtractDrivePathFromFileSystemUrl(url);
   if (file_path.empty())
-    return scoped_ptr<webkit_blob::FileStreamReader>();
+    return scoped_ptr<storage::FileStreamReader>();
 
-  return scoped_ptr<webkit_blob::FileStreamReader>(
+  return scoped_ptr<storage::FileStreamReader>(
       new internal::WebkitFileStreamReaderImpl(
           base::Bind(&fileapi_internal::GetFileSystemFromUrl, url),
           context->default_file_task_runner(),
-          file_path, offset, expected_modification_time));
+          file_path,
+          offset,
+          expected_modification_time));
 }
 
-scoped_ptr<fileapi::FileStreamWriter>
+scoped_ptr<storage::FileStreamWriter>
 FileSystemBackendDelegate::CreateFileStreamWriter(
-    const fileapi::FileSystemURL& url,
+    const storage::FileSystemURL& url,
     int64 offset,
-    fileapi::FileSystemContext* context) {
+    storage::FileSystemContext* context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  DCHECK_EQ(fileapi::kFileSystemTypeDrive, url.type());
+  DCHECK_EQ(storage::kFileSystemTypeDrive, url.type());
 
   base::FilePath file_path = util::ExtractDrivePathFromFileSystemUrl(url);
   // Hosted documents don't support stream writer.
   if (file_path.empty() || util::HasHostedDocumentExtension(file_path))
-    return scoped_ptr<fileapi::FileStreamWriter>();
+    return scoped_ptr<storage::FileStreamWriter>();
 
-  return scoped_ptr<fileapi::FileStreamWriter>(
+  return scoped_ptr<storage::FileStreamWriter>(
       new internal::WebkitFileStreamWriterImpl(
           base::Bind(&fileapi_internal::GetFileSystemFromUrl, url),
-          context->default_file_task_runner(),file_path, offset));
+          context->default_file_task_runner(),
+          file_path,
+          offset));
+}
+
+storage::WatcherManager* FileSystemBackendDelegate::GetWatcherManager(
+    const storage::FileSystemURL& url) {
+  NOTIMPLEMENTED();
+  return NULL;
+}
+
+void FileSystemBackendDelegate::GetRedirectURLForContents(
+    const storage::FileSystemURL& url,
+    const storage::URLCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  BrowserThread::PostTask(
+      BrowserThread::UI,
+      FROM_HERE,
+      base::Bind(&GetRedirectURLForContentsOnUIThread, url, callback));
 }
 
 }  // namespace drive