1 // Copyright 2014 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 "extensions/renderer/app_runtime_custom_bindings.h" 6 7 #include "base/bind.h" 8 #include "base/strings/string_number_conversions.h" 9 #include "third_party/WebKit/public/platform/WebCString.h" 10 #include "third_party/WebKit/public/platform/WebString.h" 11 #include "third_party/WebKit/public/web/WebBlob.h" 12 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h" 13 14 using blink::WebBlob; 15 using blink::WebSerializedScriptValue; 16 using blink::WebString; 17 18 namespace { 19 20 void DeserializeString(const v8::FunctionCallbackInfo<v8::Value>& 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 args.GetReturnValue().Set(serialized.deserialize()); 29 } 30 31 void SerializeToString(const v8::FunctionCallbackInfo<v8::Value>& args) { 32 DCHECK(args.Length() == 1); 33 WebSerializedScriptValue data = WebSerializedScriptValue::serialize(args[0]); 34 WebString data_webstring = data.toString(); 35 36 std::string v = std::string(data_webstring.utf8()); 37 args.GetReturnValue().Set( 38 v8::String::NewFromUtf8(args.GetIsolate(), v.c_str())); 39 } 40 41 void CreateBlob(const v8::FunctionCallbackInfo<v8::Value>& 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 blink::WebBlob web_blob = 51 WebBlob::createFromFile(WebString::fromUTF8(blob_file_path), blob_length); 52 args.GetReturnValue().Set( 53 web_blob.toV8Value(args.Holder(), args.GetIsolate())); 54 } 55 56 } // namespace 57 58 namespace extensions { 59 60 AppRuntimeCustomBindings::AppRuntimeCustomBindings(ScriptContext* context) 61 : ObjectBackedNativeHandler(context) { 62 RouteFunction("DeserializeString", base::Bind(&DeserializeString)); 63 RouteFunction("SerializeToString", base::Bind(&SerializeToString)); 64 RouteFunction("CreateBlob", base::Bind(&CreateBlob)); 65 } 66 67 } // namespace extensions 68