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Unified Diff: chrome/browser/chromeos/extensions/zip_file_creator.h

Issue 11309014: File manager: support for zipping selected files. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Define zip::ZipFileList method to internalize details with handling file lists. Created 8 years, 1 month ago
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Index: chrome/browser/chromeos/extensions/zip_file_creator.h
diff --git a/chrome/browser/chromeos/extensions/zip_file_creator.h b/chrome/browser/chromeos/extensions/zip_file_creator.h
new file mode 100644
index 0000000000000000000000000000000000000000..6885111f6c9a1ca088f1694e3bf776521dbd7b15
--- /dev/null
+++ b/chrome/browser/chromeos/extensions/zip_file_creator.h
@@ -0,0 +1,96 @@
+// 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_ZIP_FILE_CREATOR_H_
+#define CHROME_BROWSER_EXTENSIONS_ZIP_FILE_CREATOR_H_
+
+#include <string>
+
+#include "base/file_path.h"
+#include "base/memory/ref_counted.h"
+#include "chrome/common/extensions/extension.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/utility_process_host_client.h"
+
+namespace extensions {
+
+// ZipFileCreator creates a ZIP file from a specified list of files and
+// directories under a common parent directory. This is done in a sandboxed
+// subprocess to protect the browser process from handling arbitrary input data
+// from untrusted sources.
+//
+// Lifetime management:
+//
+// This class is ref-counted by each call it makes to itself on another thread,
+// and by UtilityProcessHost.
+//
+// Additionally, we hold a reference to our own client so that it lives at least
+// long enough to receive the result of zip file creation.
+//
+//
+// NOTE: This class should only be used on the file thread.
+class ZipFileCreator : public content::UtilityProcessHostClient {
+ public:
+ class Delegate {
+ public:
+ virtual void OnZipSuccess() = 0;
+ virtual void OnZipFailure() = 0;
+
+ protected:
+ virtual ~Delegate() {}
+ };
+
+ // Creates a zip file from the specified list of files and directories.
+ ZipFileCreator(Delegate* delegate,
+ const FilePath& dir_path,
+ const FilePath& dest_path,
+ const std::vector<FilePath>& file_paths);
+
+ // Start creating the zip file. The client is called with the results.
+ void Start();
+
+ private:
+ class ProcessHostClient;
+
+ friend class ProcessHostClient;
+ friend class ZipFileCreatorTest;
+
+ virtual ~ZipFileCreator();
+
+ // Starts the utility process that creates the zip file.
+ void StartProcessOnIOThread();
+
+ // UtilityProcessHostClient
+ virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+ virtual void OnProcessCrashed(int exit_code) OVERRIDE;
+
+ // IPC message handlers.
+ void OnCreateZipFileSucceeded();
+ void OnCreateZipFileFailed();
+
+ void ReportFailure();
+ void ReportSuccess();
+
+ // Our delegate's thread. This is the thread we respond on.
+ content::BrowserThread::ID thread_identifier_;
+
+ // Our delegate.
+ Delegate* delegate_;
+
+ // The common parent directory for the input and output files.
+ FilePath dir_path_;
+
+ // The output zip file.
+ FilePath dest_path_;
+
+ // The list of files and directories.
+ std::vector<FilePath> file_paths_;
+
+ // Whether we've received a response from the utility process yet.
+ bool got_response_;
+};
+
+} // namespace extensions
+
+#endif // CHROME_BROWSER_EXTENSIONS_ZIP_FILE_CREATOR_H_

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