content/common/database_util.cc


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// Copyright (c) 2011 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 "content/common/database_util.h"

#include "content/common/child_thread.h"
#include "content/common/database_messages.h"
#include "ipc/ipc_sync_message_filter.h"
#include "third_party/sqlite/sqlite3.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"

using WebKit::WebKitPlatformSupport;
using WebKit::WebString;

WebKitPlatformSupport::FileHandle DatabaseUtil::DatabaseOpenFile(
    const WebString& vfs_file_name, int desired_flags) {
  IPC::PlatformFileForTransit file_handle =
      IPC::InvalidPlatformFileForTransit();

  scoped_refptr<IPC::SyncMessageFilter> filter(
      ChildThread::current()->sync_message_filter());
  filter->Send(new DatabaseHostMsg_OpenFile(
      vfs_file_name, desired_flags, &file_handle));

  return IPC::PlatformFileForTransitToPlatformFile(file_handle);
}

int DatabaseUtil::DatabaseDeleteFile(
    const WebString& vfs_file_name, bool sync_dir) {
  int rv = SQLITE_IOERR_DELETE;
  scoped_refptr<IPC::SyncMessageFilter> filter(
      ChildThread::current()->sync_message_filter());
  filter->Send(new DatabaseHostMsg_DeleteFile(
      vfs_file_name, sync_dir, &rv));
  return rv;
}

long DatabaseUtil::DatabaseGetFileAttributes(const WebString& vfs_file_name) {
  int32 rv = -1;
  scoped_refptr<IPC::SyncMessageFilter> filter(
      ChildThread::current()->sync_message_filter());
  filter->Send(new DatabaseHostMsg_GetFileAttributes(vfs_file_name, &rv));
  return rv;
}

long long DatabaseUtil::DatabaseGetFileSize(const WebString& vfs_file_name) {
  int64 rv = 0LL;
  scoped_refptr<IPC::SyncMessageFilter> filter(
      ChildThread::current()->sync_message_filter());
  filter->Send(new DatabaseHostMsg_GetFileSize(vfs_file_name, &rv));
  return rv;
}

long long DatabaseUtil::DatabaseGetSpaceAvailable(
    const WebString& origin_identifier) {
  int64 rv = 0LL;
  scoped_refptr<IPC::SyncMessageFilter> filter(
      ChildThread::current()->sync_message_filter());
  filter->Send(new DatabaseHostMsg_GetSpaceAvailable(origin_identifier, &rv));
  return rv;
}