Move the Save Page code to the browser/download/ directory.

Review URL: http://codereview.chromium.org/3040

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@2174 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 80 insertions, 0 deletions

diff --git a/chrome/browser/download/save_file.h b/chrome/browser/download/save_file.h
new file mode 100644
index 0000000..3d5e06c
--- /dev/null
+++ b/chrome/browser/download/save_file.h
@@ -0,0 +1,80 @@
+// Copyright (c) 2006-2008 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.
+
+#ifndef CHROME_BROWSER_DOWNLOAD_SAVE_FILE_H__
+#define CHROME_BROWSER_DOWNLOAD_SAVE_FILE_H__
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/scoped_ptr.h"
+#include "chrome/browser/download/save_types.h"
+
+// SaveFile ----------------------------------------------------------------
+
+// These objects live exclusively on the file thread and handle the writing
+// operations for one save item. These objects live only for the duration that
+// the saving job is 'in progress': once the saving job has been completed or
+// canceled, the SaveFile is destroyed. One SaveFile object represents one item
+// in a save session.
+class SaveFile {
+ public:
+  explicit SaveFile(const SaveFileCreateInfo* info);
+  ~SaveFile();
+
+  // Write a new chunk of data to the file. Returns true on success.
+  bool AppendDataToFile(const char* data, int data_len);
+
+  // Abort the saving job and automatically close the file.
+  void Cancel();
+
+  // Rename the saved file. Returns 'true' if the rename was successful.
+  bool Rename(const std::wstring& full_path);
+
+  void Finish();
+
+  // Accessors.
+  int save_id() const { return info_->save_id; }
+  int render_process_id() const { return info_->render_process_id; }
+  int render_view_id() const { return info_->render_view_id; }
+  int request_id() const { return info_->request_id; }
+  SaveFileCreateInfo::SaveFileSource save_source() const {
+    return info_->save_source;
+  }
+
+  int64 bytes_so_far() const { return bytes_so_far_; }
+  std::wstring full_path() const { return full_path_; }
+  bool path_renamed() const { return path_renamed_; }
+  bool in_progress() const { return in_progress_; }
+
+ private:
+  // Open or Close the OS file handle. The file is opened in the constructor
+  // based on creation information passed to it, and automatically closed in
+  // the destructor.
+  void Close();
+  bool Open(const wchar_t* open_mode);
+
+  scoped_ptr<const SaveFileCreateInfo> info_;
+
+  // OS file handle for writing
+  FILE* file_;
+
+  // Amount of data received up to this point. We may not know in advance how
+  // much data to expect since some servers don't provide that information.
+  int64 bytes_so_far_;
+
+  // Full path to the saved file including the file name.
+  std::wstring full_path_;
+
+  // Whether the saved file is still using its initial temporary path.
+  bool path_renamed_;
+
+  // Whether the saved file is still receiving data.
+  bool in_progress_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(SaveFile);
+};
+
+#endif  // CHROME_BROWSER_DOWNLOAD_SAVE_FILE_H__
+