Revert 147895 - switch mediaGalleries to .idl api definition

chrome/browser/extensions/api/media_gallery/media_gallery_api.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.
+
+// Implements the Chrome Extensions Media Galleries API.
+
+#include "chrome/browser/extensions/api/media_gallery/media_gallery_api.h"
+
+#include <string>
+#include <vector>
+
+#include "base/platform_file.h"
+#include "base/values.h"
+#include "chrome/browser/media_gallery/media_file_system_registry.h"
+#include "content/public/browser/child_process_security_policy.h"
+#include "content/public/browser/render_process_host.h"
+#include "content/public/browser/render_view_host.h"
+
+#if defined(OS_WIN)
+#include "base/sys_string_conversions.h"
+#endif
+
+namespace extensions {
+
+using chrome::MediaFileSystemRegistry;
+using content::ChildProcessSecurityPolicy;
+
+GetMediaFileSystemsFunction::~GetMediaFileSystemsFunction() {}
+
+bool GetMediaFileSystemsFunction::RunImpl() {
+  const content::RenderProcessHost* rph = render_view_host()->GetProcess();
+  chrome::MediaFileSystemRegistry* media_fs_registry =
+      MediaFileSystemRegistry::GetInstance();
+  const std::vector<MediaFileSystemRegistry::MediaFSIDAndPath> filesystems =
+      media_fs_registry->GetMediaFileSystems(rph);
+
+  const int child_id = rph->GetID();
+  base::ListValue* list = new base::ListValue();
+  for (size_t i = 0; i < filesystems.size(); i++) {
+    // TODO(thestig) Check permissions to file systems when that capability
+    // exists.
+    const MediaFileSystemRegistry::MediaFSIDAndPath& fsid_and_path =
+        filesystems[i];
+    const std::string& fsid = fsid_and_path.first;
+    const FilePath& path = fsid_and_path.second;
+
+    base::DictionaryValue* dict_value = new base::DictionaryValue();
+    dict_value->SetWithoutPathExpansion(
+        "fsid", Value::CreateStringValue(fsid));
+    // The directory name is not exposed to the js layer.
+    dict_value->SetWithoutPathExpansion(
+        "dirname", Value::CreateStringValue("_"));
+    list->Append(dict_value);
+
+    content::ChildProcessSecurityPolicy* policy =
+        ChildProcessSecurityPolicy::GetInstance();
+    if (!policy->CanReadFile(child_id, path))
+      policy->GrantReadFile(child_id, path);
+    policy->GrantReadFileSystem(child_id, fsid);
+  }
+
+  SetResult(list);
+  return true;
+}
+
+OpenMediaGalleryManagerFunction::~OpenMediaGalleryManagerFunction() {}
+
+bool OpenMediaGalleryManagerFunction::RunImpl() {
+  // TODO(vandebo) Open the Media Gallery Manager UI.
+  SetResult(Value::CreateNullValue());
+  return true;
+}
+
+AssembleMediaFileFunction::~AssembleMediaFileFunction() {}
+
+bool AssembleMediaFileFunction::RunImpl() {
+  // TODO(vandebo) Update the metadata and return the new file.
+  SetResult(Value::CreateNullValue());
+  return true;
+}
+
+}  // namespace extensions