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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "extensions/renderer/utils_native_handler.h" | 5 #include "extensions/renderer/utils_native_handler.h" |
| 6 | 6 |
| 7 #include "base/strings/stringprintf.h" | 7 #include "base/strings/stringprintf.h" |
| 8 #include "extensions/renderer/script_context.h" | 8 #include "extensions/renderer/script_context.h" |
| 9 #include "third_party/WebKit/public/web/WebScopedMicrotaskSuppression.h" | 9 #include "third_party/WebKit/public/web/WebScopedMicrotaskSuppression.h" |
| 10 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h" | 10 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h" |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 CHECK_EQ(3, args.Length()); | 28 CHECK_EQ(3, args.Length()); |
| 29 CHECK(args[0]->IsString()); | 29 CHECK(args[0]->IsString()); |
| 30 std::string name = *v8::String::Utf8Value(args[0]); | 30 std::string name = *v8::String::Utf8Value(args[0]); |
| 31 CHECK(args[1]->IsObject()); | 31 CHECK(args[1]->IsObject()); |
| 32 v8::Local<v8::Object> cls = args[1].As<v8::Object>(); | 32 v8::Local<v8::Object> cls = args[1].As<v8::Object>(); |
| 33 CHECK(args[2]->IsObject() || args[2]->IsUndefined()); | 33 CHECK(args[2]->IsObject() || args[2]->IsUndefined()); |
| 34 v8::Local<v8::Value> superclass = args[2]; | 34 v8::Local<v8::Value> superclass = args[2]; |
| 35 | 35 |
| 36 v8::HandleScope handle_scope(GetIsolate()); | 36 v8::HandleScope handle_scope(GetIsolate()); |
| 37 // TODO(fsamuel): Consider moving the source wrapping to ModuleSystem. | 37 // TODO(fsamuel): Consider moving the source wrapping to ModuleSystem. |
| 38 v8::Handle<v8::String> source = v8::String::NewFromUtf8( | 38 v8::Local<v8::String> source = v8::String::NewFromUtf8( |
| 39 GetIsolate(), | 39 GetIsolate(), |
| 40 base::StringPrintf( | 40 base::StringPrintf( |
| 41 "(function($Object, $Function, privates, cls, superclass) {" | 41 "(function($Object, $Function, privates, cls, superclass) {" |
| 42 "'use strict';\n" | 42 "'use strict';\n" |
| 43 " function %s() {\n" | 43 " function %s() {\n" |
| 44 " var privateObj = $Object.create(cls.prototype);\n" | 44 " var privateObj = $Object.create(cls.prototype);\n" |
| 45 " $Function.apply(cls, privateObj, arguments);\n" | 45 " $Function.apply(cls, privateObj, arguments);\n" |
| 46 " privateObj.wrapper = this;\n" | 46 " privateObj.wrapper = this;\n" |
| 47 " privates(this).impl = privateObj;\n" | 47 " privates(this).impl = privateObj;\n" |
| 48 " };\n" | 48 " };\n" |
| 49 " if (superclass) {\n" | 49 " if (superclass) {\n" |
| 50 " %s.prototype = Object.create(superclass.prototype);\n" | 50 " %s.prototype = Object.create(superclass.prototype);\n" |
| 51 " }\n" | 51 " }\n" |
| 52 " return %s;\n" | 52 " return %s;\n" |
| 53 "})", | 53 "})", |
| 54 name.c_str(), | 54 name.c_str(), name.c_str(), name.c_str()).c_str()); |
| 55 name.c_str(), | 55 v8::Local<v8::Value> func_as_value = context()->module_system()->RunString( |
| 56 name.c_str()).c_str()); | |
| 57 v8::Handle<v8::Value> func_as_value = context()->module_system()->RunString( | |
| 58 source, v8::String::NewFromUtf8(GetIsolate(), name.c_str())); | 56 source, v8::String::NewFromUtf8(GetIsolate(), name.c_str())); |
| 59 if (func_as_value.IsEmpty() || func_as_value->IsUndefined()) { | 57 if (func_as_value.IsEmpty() || func_as_value->IsUndefined()) { |
| 60 args.GetReturnValue().SetUndefined(); | 58 args.GetReturnValue().SetUndefined(); |
| 61 return; | 59 return; |
| 62 } | 60 } |
| 63 | 61 |
| 64 // TODO(fsamuel): Move privates from ModuleSystem to a shared location. | 62 // TODO(fsamuel): Move privates from ModuleSystem to a shared location. |
| 65 v8::Handle<v8::Object> natives(context()->module_system()->NewInstance()); | 63 v8::Local<v8::Object> natives(context()->module_system()->NewInstance()); |
| 66 CHECK(!natives.IsEmpty()); // this can happen if v8 has issues | 64 CHECK(!natives.IsEmpty()); // this can happen if v8 has issues |
| 67 v8::Handle<v8::Function> func = func_as_value.As<v8::Function>(); | 65 v8::Local<v8::Function> func = func_as_value.As<v8::Function>(); |
| 68 v8::Handle<v8::Value> func_args[] = { | 66 v8::Local<v8::Value> func_args[] = { |
| 69 context()->safe_builtins()->GetObjekt(), | 67 context()->safe_builtins()->GetObjekt(), |
| 70 context()->safe_builtins()->GetFunction(), | 68 context()->safe_builtins()->GetFunction(), |
| 71 natives->Get(v8::String::NewFromUtf8( | 69 natives->Get(v8::String::NewFromUtf8(GetIsolate(), "privates", |
| 72 GetIsolate(), "privates", v8::String::kInternalizedString)), | 70 v8::String::kInternalizedString)), |
| 73 cls, | 71 cls, |
| 74 superclass}; | 72 superclass}; |
| 75 v8::Local<v8::Value> result; | 73 v8::Local<v8::Value> result; |
| 76 { | 74 { |
| 77 v8::TryCatch try_catch; | 75 v8::TryCatch try_catch; |
| 78 try_catch.SetCaptureMessage(true); | 76 try_catch.SetCaptureMessage(true); |
| 79 result = context()->CallFunction(func, arraysize(func_args), func_args); | 77 result = context()->CallFunction(func, arraysize(func_args), func_args); |
| 80 if (try_catch.HasCaught()) { | 78 if (try_catch.HasCaught()) { |
| 81 args.GetReturnValue().SetUndefined(); | 79 args.GetReturnValue().SetUndefined(); |
| 82 return; | 80 return; |
| 83 } | 81 } |
| 84 } | 82 } |
| 85 args.GetReturnValue().Set(result); | 83 args.GetReturnValue().Set(result); |
| 86 } | 84 } |
| 87 | 85 |
| 88 void UtilsNativeHandler::DeepCopy( | 86 void UtilsNativeHandler::DeepCopy( |
| 89 const v8::FunctionCallbackInfo<v8::Value>& args) { | 87 const v8::FunctionCallbackInfo<v8::Value>& args) { |
| 90 CHECK_EQ(1, args.Length()); | 88 CHECK_EQ(1, args.Length()); |
| 91 args.GetReturnValue().Set( | 89 args.GetReturnValue().Set( |
| 92 blink::WebSerializedScriptValue::serialize(args[0]).deserialize()); | 90 blink::WebSerializedScriptValue::serialize(args[0]).deserialize()); |
| 93 } | 91 } |
| 94 | 92 |
| 95 } // namespace extensions | 93 } // namespace extensions |
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