Apps V2 in Pepper: Host side implementation of ExntensionsCommon - Part 1.

chrome/renderer/extensions/chrome_v8_context.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/extensions/chrome_v8_context.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/strings/string_split.h"
 #include "base/values.h"
 #include "chrome/common/extensions/api/extension_api.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
 #include "chrome/renderer/extensions/module_system.h"
 #include "chrome/renderer/extensions/user_script_slave.h"
 #include "content/public/renderer/render_view.h"
+#include "content/public/renderer/v8_value_converter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #include "v8/include/v8.h"
 
+using content::V8ValueConverter;
+
 namespace extensions {
 
 namespace {
 
 const char kChromeHidden[] = "chromeHidden";
 const char kValidateCallbacks[] = "validateCallbacks";
 const char kValidateAPI[] = "validateAPI";
 
 }  // namespace
 
@@ skipping 147 matching lines @@
     case Feature::UNSPECIFIED_CONTEXT:         return "UNSPECIFIED";
     case Feature::BLESSED_EXTENSION_CONTEXT:   return "BLESSED_EXTENSION";
     case Feature::UNBLESSED_EXTENSION_CONTEXT: return "UNBLESSED_EXTENSION";
     case Feature::CONTENT_SCRIPT_CONTEXT:      return "CONTENT_SCRIPT";
     case Feature::WEB_PAGE_CONTEXT:            return "WEB_PAGE";
   }
   NOTREACHED();
   return "";
 }
 
+ChromeV8Context* ChromeV8Context::GetContext() {
+  return this;
+}
+
+void ChromeV8Context::OnResponseReceived(const std::string& name,
+                                         int request_id,
+                                         bool success,
+                                         const base::ListValue& response,
+                                         const std::string& error) {
+  v8::HandleScope handle_scope;
+
+  scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
+  v8::Handle<v8::Value> argv[] = {
+    v8::Integer::New(request_id),
+    v8::String::New(name.c_str()),
+    v8::Boolean::New(success),
+    converter->ToV8Value(&response, v8_context_.get()),
+    v8::String::New(error.c_str())
+  };
+
+  v8::Handle<v8::Value> retval;
+  CHECK(CallChromeHiddenMethod("handleResponse", arraysize(argv), argv,
+                               &retval));
+  // In debug, the js will validate the callback parameters and return a
+  // string if a validation error has occured.
+  if (DCHECK_IS_ON()) {
+    if (!retval.IsEmpty() && !retval->IsUndefined()) {
+      std::string error = *v8::String::AsciiValue(retval);
+      DCHECK(false) << error;
+    }
+  }
+}
+
 }  // namespace extensions