src/ppapi/proxy/network_proxy_resource.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ppapi/proxy/network_proxy_resource.h"
   6
   7 #include "base/bind.h"
   8 #include "ppapi/proxy/dispatch_reply_message.h"
   9 #include "ppapi/proxy/ppapi_messages.h"
  10 #include "ppapi/shared_impl/tracked_callback.h"
  11 #include "ppapi/shared_impl/var.h"
  12
  13 namespace ppapi {
  14 namespace proxy {
  15
  16 NetworkProxyResource::NetworkProxyResource(Connection connection,
  17                                            PP_Instance instance)
  18     : PluginResource(connection, instance) {
  19   SendCreate(BROWSER, PpapiHostMsg_NetworkProxy_Create());
  20 }
  21
  22 NetworkProxyResource::~NetworkProxyResource() {
  23 }
  24
  25 thunk::PPB_NetworkProxy_API* NetworkProxyResource::AsPPB_NetworkProxy_API() {
  26   return this;
  27 }
  28
  29 int32_t NetworkProxyResource::GetProxyForURL(
  30       PP_Instance /* instance */,
  31       PP_Var url,
  32       PP_Var* proxy_string,
  33       scoped_refptr<TrackedCallback> callback) {
  34   StringVar* string_url = StringVar::FromPPVar(url);
  35   if (!string_url)
  36     return PP_ERROR_BADARGUMENT;
  37   Call<PpapiPluginMsg_NetworkProxy_GetProxyForURLReply>(
  38       BROWSER,
  39       PpapiHostMsg_NetworkProxy_GetProxyForURL(string_url->value()),
  40       base::Bind(&NetworkProxyResource::OnPluginMsgGetProxyForURLReply,
  41                  base::Unretained(this),
  42                  base::Unretained(proxy_string),
  43                  callback));
  44   return PP_OK_COMPLETIONPENDING;
  45 }
  46
  47 void NetworkProxyResource::OnPluginMsgGetProxyForURLReply(
  48     PP_Var* proxy_string_out_param,
  49     scoped_refptr<TrackedCallback> callback,
  50     const ResourceMessageReplyParams& params,
  51     const std::string& proxy_string) {
  52   if (!TrackedCallback::IsPending(callback)) {
  53     // The callback should not have already been run. If this resource is
  54     // deleted, LastPluginRefWasReleased in PluginResource should abort the
  55     // callback and should not run this callback.
  56     NOTREACHED();
  57     return;
  58   }
  59   if (params.result() == PP_OK) {
  60     *proxy_string_out_param = (new StringVar(proxy_string))->GetPPVar();
  61   }
  62   callback->Run(params.result());
  63 }
  64
  65 }  // namespace proxy
  66 }  // namespace ppapi