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Issue 235943018: Move extensions bindings code out of //chrome (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: nit Created 6 years, 8 months ago
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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 "chrome/renderer/extensions/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 "chrome/renderer/extensions/chrome_v8_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 10
11 namespace extensions { 11 namespace extensions {
12 12
13 UtilsNativeHandler::UtilsNativeHandler(ChromeV8Context* context) 13 UtilsNativeHandler::UtilsNativeHandler(ScriptContext* context)
14 : ObjectBackedNativeHandler(context) { 14 : ObjectBackedNativeHandler(context) {
15 RouteFunction("createClassWrapper", 15 RouteFunction("createClassWrapper",
16 base::Bind(&UtilsNativeHandler::CreateClassWrapper, 16 base::Bind(&UtilsNativeHandler::CreateClassWrapper,
17 base::Unretained(this))); 17 base::Unretained(this)));
18 } 18 }
19 19
20 UtilsNativeHandler::~UtilsNativeHandler() {} 20 UtilsNativeHandler::~UtilsNativeHandler() {}
21 21
22 void UtilsNativeHandler::CreateClassWrapper( 22 void UtilsNativeHandler::CreateClassWrapper(
23 const v8::FunctionCallbackInfo<v8::Value>& args) { 23 const v8::FunctionCallbackInfo<v8::Value>& args) {
24 CHECK_EQ(2, args.Length()); 24 CHECK_EQ(2, args.Length());
25 CHECK(args[0]->IsString()); 25 CHECK(args[0]->IsString());
26 std::string name = *v8::String::Utf8Value(args[0]); 26 std::string name = *v8::String::Utf8Value(args[0]);
27 CHECK(args[1]->IsObject()); 27 CHECK(args[1]->IsObject());
28 v8::Local<v8::Object> obj = args[1].As<v8::Object>(); 28 v8::Local<v8::Object> obj = args[1].As<v8::Object>();
29 29
30 v8::HandleScope handle_scope(GetIsolate()); 30 v8::HandleScope handle_scope(GetIsolate());
31 // TODO(fsamuel): Consider moving the source wrapping to ModuleSystem. 31 // TODO(fsamuel): Consider moving the source wrapping to ModuleSystem.
32 v8::Handle<v8::String> source = v8::String::NewFromUtf8( 32 v8::Handle<v8::String> source = v8::String::NewFromUtf8(
33 GetIsolate(), 33 GetIsolate(),
34 base::StringPrintf( 34 base::StringPrintf(
35 "(function($Object, $Function, privates, cls) {" 35 "(function($Object, $Function, privates, cls) {"
36 "'use strict';\n" 36 "'use strict';\n"
37 " return function %s() {\n" 37 " return function %s() {\n"
38 " var privateObj = $Object.create(cls.prototype);\n" 38 " var privateObj = $Object.create(cls.prototype);\n"
39 " $Function.apply(cls, privateObj, arguments);\n" 39 " $Function.apply(cls, privateObj, arguments);\n"
40 " privateObj.wrapper = this;\n" 40 " privateObj.wrapper = this;\n"
41 " privates(this).impl = privateObj;\n" 41 " privates(this).impl = privateObj;\n"
42 "}})", name.c_str()).c_str()); 42 "}})",
43 v8::Handle<v8::Value> func_as_value = 43 name.c_str()).c_str());
44 context()->module_system()->RunString(source, 44 v8::Handle<v8::Value> func_as_value = context()->module_system()->RunString(
45 v8::String::NewFromUtf8(GetIsolate(), name.c_str())); 45 source, v8::String::NewFromUtf8(GetIsolate(), name.c_str()));
46 if (func_as_value.IsEmpty() || func_as_value->IsUndefined()) { 46 if (func_as_value.IsEmpty() || func_as_value->IsUndefined()) {
47 args.GetReturnValue().SetUndefined(); 47 args.GetReturnValue().SetUndefined();
48 return; 48 return;
49 } 49 }
50 50
51 // TODO(fsamuel): Move privates from ModuleSystem to a shared location. 51 // TODO(fsamuel): Move privates from ModuleSystem to a shared location.
52 v8::Handle<v8::Object> natives(context()->module_system()->NewInstance()); 52 v8::Handle<v8::Object> natives(context()->module_system()->NewInstance());
53 CHECK(!natives.IsEmpty()); // this can happen if v8 has issues 53 CHECK(!natives.IsEmpty()); // this can happen if v8 has issues
54 v8::Handle<v8::Function> func = func_as_value.As<v8::Function>(); 54 v8::Handle<v8::Function> func = func_as_value.As<v8::Function>();
55 v8::Handle<v8::Value> func_args[] = { 55 v8::Handle<v8::Value> func_args[] = {
56 context()->safe_builtins()->GetObjekt(), 56 context()->safe_builtins()->GetObjekt(),
57 context()->safe_builtins()->GetFunction(), 57 context()->safe_builtins()->GetFunction(),
58 natives->Get(v8::String::NewFromUtf8( 58 natives->Get(v8::String::NewFromUtf8(
59 GetIsolate(), "privates", v8::String::kInternalizedString)), 59 GetIsolate(), "privates", v8::String::kInternalizedString)),
60 obj 60 obj};
61 };
62 v8::Local<v8::Value> result; 61 v8::Local<v8::Value> result;
63 { 62 {
64 v8::TryCatch try_catch; 63 v8::TryCatch try_catch;
65 try_catch.SetCaptureMessage(true); 64 try_catch.SetCaptureMessage(true);
66 result = context()->CallFunction(func, arraysize(func_args), func_args); 65 result = context()->CallFunction(func, arraysize(func_args), func_args);
67 if (try_catch.HasCaught()) { 66 if (try_catch.HasCaught()) {
68 args.GetReturnValue().SetUndefined(); 67 args.GetReturnValue().SetUndefined();
69 return; 68 return;
70 } 69 }
71 } 70 }
72 args.GetReturnValue().Set(result); 71 args.GetReturnValue().Set(result);
73 } 72 }
74 73
75 } // namespace extensions 74 } // namespace extensions
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