chrome/renderer/extensions/app_runtime_custom_bindings.cc

   1 // Copyright (c) 2012 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/app_runtime_custom_bindings.h"
   6
   7 #include "base/bind.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "third_party/WebKit/Source/Platform/chromium/public/WebCString.h"
  10 #include "third_party/WebKit/Source/Platform/chromium/public/WebString.h"
  11 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBlob.h"
  12 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSerializedScriptValue.h"
  13
  14 using WebKit::WebBlob;
  15 using WebKit::WebSerializedScriptValue;
  16 using WebKit::WebString;
  17
  18 namespace {
  19
  20 v8::Handle<v8::Value> DeserializeString(const v8::Arguments &args) {
  21   DCHECK(args.Length() == 1);
  22   DCHECK(args[0]->IsString());
  23
  24   std::string data_v8(*v8::String::Utf8Value(args[0]));
  25   WebString data_webstring = WebString::fromUTF8(data_v8);
  26   WebSerializedScriptValue serialized =
  27       WebSerializedScriptValue::fromString(data_webstring);
  28   return serialized.deserialize();
  29 }
  30
  31 v8::Handle<v8::Value> SerializeToString(const v8::Arguments &args) {
  32   DCHECK(args.Length() == 1);
  33   WebSerializedScriptValue data =
  34       WebSerializedScriptValue::serialize(args[0]);
  35   WebString data_webstring = data.toString();
  36
  37   std::string v = std::string(data_webstring.utf8());
  38   return v8::String::New(v.c_str());
  39 }
  40
  41 v8::Handle<v8::Value> CreateBlob(const v8::Arguments &args) {
  42   DCHECK(args.Length() == 2);
  43   DCHECK(args[0]->IsString());
  44   DCHECK(args[1]->IsNumber());
  45
  46   std::string blob_file_path(*v8::String::Utf8Value(args[0]));
  47   std::string blob_length_string(*v8::String::Utf8Value(args[1]));
  48   int64 blob_length = 0;
  49   DCHECK(base::StringToInt64(blob_length_string, &blob_length));
  50   WebKit::WebBlob web_blob = WebBlob::createFromFile(
  51       WebString::fromUTF8(blob_file_path), blob_length);
  52   return web_blob.toV8Value();
  53 }
  54
  55 }  // namespace
  56
  57 namespace extensions {
  58
  59 AppRuntimeCustomBindings::AppRuntimeCustomBindings(
  60     Dispatcher* dispatcher,
  61     v8::Handle<v8::Context> context) : ChromeV8Extension(dispatcher, context) {
  62   RouteFunction("DeserializeString", base::Bind(&DeserializeString));
  63   RouteFunction("SerializeToString", base::Bind(&SerializeToString));
  64   RouteFunction("CreateBlob", base::Bind(&CreateBlob));
  65 }
  66
  67 }  // namespace extensions