PPAPI: Force async callback invocation option.

ppapi/thunk/ppb_url_loader_thunk.cc

 // Copyright (c) 2011 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/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
+#include "ppapi/thunk/common.h"
+#include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/thunk.h"
-#include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_url_loader_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 PP_Resource Create(PP_Instance instance) {
   EnterFunction<ResourceCreationAPI> enter(instance, true);
   if (enter.failed())
     return 0;
   return enter.functions()->CreateURLLoader(instance);
 }
 
 PP_Bool IsURLLoader(PP_Resource resource) {
   EnterResource<PPB_URLLoader_API> enter(resource, false);
   return PP_FromBool(enter.succeeded());
 }
 
 int32_t Open(PP_Resource loader,
              PP_Resource request_id,
              PP_CompletionCallback callback) {
   EnterResource<PPB_URLLoader_API> enter(loader, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-  return enter.object()->Open(request_id, callback);
+    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
+  int32_t result = enter.object()->Open(request_id, callback);
+  return MayForceCallback(callback, result);
 }
 
 int32_t FollowRedirect(PP_Resource loader,
                        PP_CompletionCallback callback) {
   EnterResource<PPB_URLLoader_API> enter(loader, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-  return enter.object()->FollowRedirect(callback);
+    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
+  int32_t result = enter.object()->FollowRedirect(callback);
+  return MayForceCallback(callback, result);
 }
 
 PP_Bool GetUploadProgress(PP_Resource loader,
                           int64_t* bytes_sent,
                           int64_t* total_bytes_to_be_sent) {
   EnterResource<PPB_URLLoader_API> enter(loader, true);
   if (enter.failed()) {
     *bytes_sent = 0;
     *total_bytes_to_be_sent = 0;
     return PP_FALSE;
@@ skipping 21 matching lines @@
     return 0;
   return enter.object()->GetResponseInfo();
 }
 
 int32_t ReadResponseBody(PP_Resource loader,
                          void* buffer,
                          int32_t bytes_to_read,
                          PP_CompletionCallback callback) {
   EnterResource<PPB_URLLoader_API> enter(loader, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-  return enter.object()->ReadResponseBody(buffer, bytes_to_read, callback);
+    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
+  int32_t result = enter.object()->ReadResponseBody(buffer, bytes_to_read,
+                                                    callback);
+  return MayForceCallback(callback, result);
 }
 
 int32_t FinishStreamingToFile(PP_Resource loader,
                               PP_CompletionCallback callback) {
   EnterResource<PPB_URLLoader_API> enter(loader, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-  return enter.object()->FinishStreamingToFile(callback);
+    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
+  int32_t result = enter.object()->FinishStreamingToFile(callback);
+  return MayForceCallback(callback, result);
 }
 
 void Close(PP_Resource loader) {
   EnterResource<PPB_URLLoader_API> enter(loader, true);
   if (enter.succeeded())
     enter.object()->Close();
 }
 
 void GrantUniversalAccess(PP_Resource loader) {
   EnterResource<PPB_URLLoader_API> enter(loader, true);
@@ skipping 31 matching lines @@
 const PPB_URLLoader* GetPPB_URLLoader_Thunk() {
   return &g_ppb_urlloader_thunk;
 }
 
 const PPB_URLLoaderTrusted* GetPPB_URLLoaderTrusted_Thunk() {
   return &g_ppb_urlloader_trusted_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi