src/chrome/renderer/extensions/pepper_request_natives.cc

   1 // Copyright 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 "chrome/renderer/extensions/pepper_request_natives.h"
   6
   7 #include <string>
   8
   9 #include "base/logging.h"
  10 #include "base/values.h"
  11 #include "chrome/renderer/extensions/chrome_v8_context.h"
  12 #include "content/public/renderer/v8_value_converter.h"
  13
  14 namespace extensions {
  15
  16 PepperRequestNatives::PepperRequestNatives(ScriptContext* context)
  17     : ObjectBackedNativeHandler(context) {
  18   RouteFunction(
  19       "SendResponse",
  20       base::Bind(&PepperRequestNatives::SendResponse, base::Unretained(this)));
  21 }
  22
  23 void PepperRequestNatives::SendResponse(
  24     const v8::FunctionCallbackInfo<v8::Value>& args) {
  25   DCHECK_EQ(3, args.Length());
  26   DCHECK(args[0]->IsInt32());
  27   DCHECK(args[1]->IsArray());
  28   int request_id = args[0]->Int32Value();
  29
  30   // TODO(rockot): This downcast should be eliminated.
  31   // See http://crbug.com/362616.
  32   ChromeV8Context* chrome_context = static_cast<ChromeV8Context*>(context());
  33   if (args[2]->IsString()) {
  34     chrome_context->pepper_request_proxy()->OnResponseReceived(
  35         request_id, false, base::ListValue(), *v8::String::Utf8Value(args[2]));
  36     return;
  37   }
  38
  39   scoped_ptr<content::V8ValueConverter> converter(
  40       content::V8ValueConverter::create());
  41   scoped_ptr<const base::Value> result(
  42       converter->FromV8Value(args[1], chrome_context->v8_context()));
  43   DCHECK(result);
  44   const base::ListValue* result_list = NULL;
  45   CHECK(result->GetAsList(&result_list));
  46   chrome_context->pepper_request_proxy()->OnResponseReceived(
  47       request_id, true, *result_list, "");
  48 }
  49
  50 }  // namespace extensions