Add the boilerplate for actions to File System Provider API.

chrome/browser/chromeos/file_system_provider/operations/get_actions.cc

+// Copyright 2015 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/browser/chromeos/file_system_provider/operations/get_actions.h"
+
+#include <algorithm>
+#include <string>
+
+#include "chrome/common/extensions/api/file_system_provider.h"
+#include "chrome/common/extensions/api/file_system_provider_internal.h"
+
+namespace chromeos {
+namespace file_system_provider {
+namespace operations {
+namespace {
+
+// Convert the request |value| into a list of actions.
+Actions ConvertRequestValueToActions(scoped_ptr<RequestValue> value) {
+  using extensions::api::file_system_provider_internal::
+      GetActionsRequestedSuccess::Params;
+
+  const Params* params = value->get_actions_success_params();
+  DCHECK(params);
+
+  Actions result;
+
+  for (const auto& idl_action : params->actions) {
+    Action action;
+    action.id = idl_action->id;
+    switch (idl_action->type) {
+      case extensions::api::file_system_provider::ACTION_TYPE_SHARE:
+        action.type = ACTION_TYPE_SHARE;
+        break;
+      case extensions::api::file_system_provider::ACTION_TYPE_PIN_TOGGLE:
+        action.type = ACTION_TYPE_PIN_TOGGLE;
+        break;
+      case extensions::api::file_system_provider::ACTION_TYPE_CUSTOM:
+        action.type = ACTION_TYPE_CUSTOM;
+        break;
+      case extensions::api::file_system_provider::ACTION_TYPE_NONE:
+        NOTREACHED();
+    }
+    action.title = idl_action->title.get() ? *idl_action->title : std::string();
+    result.push_back(action);
+  }
+
+  return result;
+}
+
+}  // namespace
+
+GetActions::GetActions(
+    extensions::EventRouter* event_router,
+    const ProvidedFileSystemInfo& file_system_info,
+    const base::FilePath& entry_path,
+    const ProvidedFileSystemInterface::GetActionsCallback& callback)
+    : Operation(event_router, file_system_info),
+      entry_path_(entry_path),
+      callback_(callback) {
+}
+
+GetActions::~GetActions() {
+}
+
+bool GetActions::Execute(int request_id) {
+  using extensions::api::file_system_provider::GetActionsRequestedOptions;
+
+  GetActionsRequestedOptions options;
+  options.file_system_id = file_system_info_.file_system_id();
+  options.request_id = request_id;
+  options.entry_path = entry_path_.AsUTF8Unsafe();
+
+  return SendEvent(
+      request_id,
+      extensions::api::file_system_provider::OnGetActionsRequested::kEventName,
+      extensions::api::file_system_provider::OnGetActionsRequested::Create(
+          options));
+}
+
+void GetActions::OnSuccess(int /* request_id */,
+                           scoped_ptr<RequestValue> result,
+                           bool has_more) {
+  callback_.Run(ConvertRequestValueToActions(result.Pass()),
+                base::File::FILE_OK);
+}
+
+void GetActions::OnError(int /* request_id */,
+                         scoped_ptr<RequestValue> /* result */,
+                         base::File::Error error) {
+  callback_.Run(Actions(), error);
+}
+
+}  // namespace operations
+}  // namespace file_system_provider
+}  // namespace chromeos