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/v8_context_native_handler.h" 6 7 #include "base/bind.h" 8 #include "extensions/common/features/feature.h" 9 #include "extensions/renderer/dispatcher.h" 10 #include "extensions/renderer/script_context.h" 11 12 namespace extensions { 13 14 V8ContextNativeHandler::V8ContextNativeHandler(ScriptContext* context, 15 Dispatcher* dispatcher) 16 : ObjectBackedNativeHandler(context), 17 context_(context), 18 dispatcher_(dispatcher) { 19 RouteFunction("GetAvailability", 20 base::Bind(&V8ContextNativeHandler::GetAvailability, 21 base::Unretained(this))); 22 RouteFunction("GetModuleSystem", 23 base::Bind(&V8ContextNativeHandler::GetModuleSystem, 24 base::Unretained(this))); 25 } 26 27 void V8ContextNativeHandler::GetAvailability( 28 const v8::FunctionCallbackInfo<v8::Value>& args) { 29 CHECK_EQ(args.Length(), 1); 30 v8::Isolate* isolate = args.GetIsolate(); 31 std::string api_name = *v8::String::Utf8Value(args[0]->ToString()); 32 Feature::Availability availability = context_->GetAvailability(api_name); 33 34 v8::Handle<v8::Object> ret = v8::Object::New(isolate); 35 ret->Set(v8::String::NewFromUtf8(isolate, "is_available"), 36 v8::Boolean::New(isolate, availability.is_available())); 37 ret->Set(v8::String::NewFromUtf8(isolate, "message"), 38 v8::String::NewFromUtf8(isolate, availability.message().c_str())); 39 ret->Set(v8::String::NewFromUtf8(isolate, "result"), 40 v8::Integer::New(isolate, availability.result())); 41 args.GetReturnValue().Set(ret); 42 } 43 44 void V8ContextNativeHandler::GetModuleSystem( 45 const v8::FunctionCallbackInfo<v8::Value>& args) { 46 CHECK_EQ(args.Length(), 1); 47 CHECK(args[0]->IsObject()); 48 v8::Handle<v8::Context> v8_context = 49 v8::Handle<v8::Object>::Cast(args[0])->CreationContext(); 50 ScriptContext* context = 51 dispatcher_->script_context_set().GetByV8Context(v8_context); 52 args.GetReturnValue().Set(context->module_system()->NewInstance()); 53 } 54 55 } // namespace extensions 56
