PPAPI: Introduce PPB_NetworkProxy_Dev

ppapi/proxy/network_proxy_resource.cc

+// Copyright (c) 2013 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 "ppapi/proxy/network_proxy_resource.h"
+
+#include "base/bind.h"
+#include "ppapi/proxy/dispatch_reply_message.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+#include "ppapi/shared_impl/var.h"
+
+namespace ppapi {
+namespace proxy {
+
+NetworkProxyResource::NetworkProxyResource(Connection connection,
+                                           PP_Instance instance)
+    : PluginResource(connection, instance) {
+  SendCreate(BROWSER, PpapiHostMsg_NetworkProxy_Create());
+}
+
+NetworkProxyResource::~NetworkProxyResource() {
+}
+
+thunk::PPB_NetworkProxy_API* NetworkProxyResource::AsPPB_NetworkProxy_API() {
+  return this;
+}
+
+int32_t NetworkProxyResource::GetProxyForURL(
+      PP_Instance /* instance */,
+      PP_Var url,
+      PP_Var* proxy_string,
+      scoped_refptr<TrackedCallback> callback) {
+  StringVar* string_url = StringVar::FromPPVar(url);
+  if (!string_url)
+    return PP_ERROR_BADARGUMENT;
+  Call<PpapiPluginMsg_NetworkProxy_GetProxyForURLReply>(
+      BROWSER,
+      PpapiHostMsg_NetworkProxy_GetProxyForURL(string_url->value()),
+      base::Bind(&NetworkProxyResource::OnPluginMsgGetProxyForURLReply,
+                 base::Unretained(this),
+                 base::Unretained(proxy_string),
+                 callback));
+  return PP_OK_COMPLETIONPENDING;
+}
+
+void NetworkProxyResource::OnPluginMsgGetProxyForURLReply(
+    PP_Var* proxy_string_out_param,
+    scoped_refptr<TrackedCallback> callback,
+    const ResourceMessageReplyParams& params,
+    const std::string& proxy_string) {
+  if (!TrackedCallback::IsPending(callback)) {
+    // The callback should not have already been run. If this resource is
+    // deleted, LastPluginRefWasReleased in PluginResource should abort the
+    // callback and should not run this callback.
+    NOTREACHED();
+    return;
+  }
+  if (params.result() == PP_OK) {
+    *proxy_string_out_param = (new StringVar(proxy_string))->GetPPVar();
+  }
+  callback->Run(params.result());
+}
+
+}  // namespace proxy
+}  // namespace ppapi