File manager: support for zipping selected files.

chrome/common/zip.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/common/zip.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string16.h"
@@ skipping 152 matching lines @@
          bool include_hidden_files) {
   if (include_hidden_files) {
     return ZipWithFilterCallback(
         src_dir, dest_file, base::Bind(&ExcludeNoFilesFilter));
   } else {
     return ZipWithFilterCallback(
         src_dir, dest_file, base::Bind(&ExcludeHiddenFilesFilter));
   }
 }
 
+bool ZipFileList(const FilePath& src_dir, const FilePath& dest_file,
+                 const std::vector<FilePath>& src_file_list) {
+  DCHECK(file_util::DirectoryExists(src_dir));
+
+  zipFile zip_file = internal::OpenForZipping(dest_file.AsUTF8Unsafe(),
+                                              APPEND_STATUS_CREATE);
+
+  if (!zip_file) {
+    DLOG(WARNING) << "couldn't create file " << dest_file.value();
+    return false;
+  }
+
+  bool success = true;
+  for (std::vector<FilePath>::const_iterator iter = src_file_list.begin();
+      iter != src_file_list.end(); iter++) {
+    const FilePath& path = *iter;
+    if (!src_dir.IsParent(path)) {
+      DLOG(ERROR) << "Ignoring file outside source directory " << path.value();
+      continue;
+    }
+    if (!AddEntryToZip(zip_file, path, src_dir)) {
+      success = false;
+      break;
+    }
+  }
+
+  if (ZIP_OK != zipClose(zip_file, NULL)) {  // global comment
+    DLOG(ERROR) << "Error closing zip file " << dest_file.value();
+    success = false;
+  }
+
+  return success;
+}
+
 }  // namespace zip