Split extension_base.* out of bindings_utils.*.

chrome/renderer/extensions/bindings_utils.cc

 // Copyright (c) 2011 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/bindings_utils.h"
 
-#include "base/logging.h"
 #include "base/lazy_instance.h"
-#include "base/stringprintf.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_set.h"
-#include "chrome/renderer/extensions/extension_dispatcher.h"
 #include "content/renderer/render_view.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.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 WebKit::WebFrame;
 using WebKit::WebView;
 
 namespace bindings_utils {
 
 const char* kChromeHidden = "chromeHidden";
 const char* kValidateCallbacks = "validateCallbacks";
 
 struct SingletonData {
   ContextList contexts;
   PendingRequestMap pending_requests;
 };
 static base::LazyInstance<SingletonData> g_singleton_data(
     base::LINKER_INITIALIZED);
 
-typedef std::map<int, std::string> StringMap;
-static base::LazyInstance<StringMap> g_string_map(base::LINKER_INITIALIZED);
-
-const char* GetStringResource(int resource_id) {
-  StringMap* strings = g_string_map.Pointer();
-  StringMap::iterator it = strings->find(resource_id);
-  if (it == strings->end()) {
-    it = strings->insert(std::make_pair(
-        resource_id,
-        ResourceBundle::GetSharedInstance().GetRawDataResource(
-            resource_id).as_string())).first;
-  }
-  return it->second.c_str();
-}
-
-// ExtensionBase
-
-const Extension* ExtensionBase::GetExtensionForCurrentContext() const {
-  RenderView* renderview = bindings_utils::GetRenderViewForCurrentContext();
-  if (!renderview)
-    return NULL;  // this can happen as a tab is closing.
-
-  GURL url = renderview->webview()->mainFrame()->document().url();
-  const ExtensionSet* extensions = extension_dispatcher_->extensions();
-  if (!extensions->ExtensionBindingsAllowed(url))
-    return NULL;
-
-  return extensions->GetByURL(url);
-}
-
-bool ExtensionBase::CheckPermissionForCurrentContext(
-    const std::string& function_name) const {
-  const ::Extension* extension = GetExtensionForCurrentContext();
-  if (extension &&
-      extension_dispatcher_->IsExtensionActive(extension->id()) &&
-      extension->HasAPIPermission(function_name))
-    return true;
-
-  static const char kMessage[] =
-      "You do not have permission to use '%s'. Be sure to declare"
-      " in your manifest what permissions you need.";
-  std::string error_msg = base::StringPrintf(kMessage, function_name.c_str());
-
-  v8::ThrowException(v8::Exception::Error(v8::String::New(error_msg.c_str())));
-  return false;
-}
-
-v8::Handle<v8::FunctionTemplate>
-    ExtensionBase::GetNativeFunction(v8::Handle<v8::String> name) {
-  if (name->Equals(v8::String::New("GetChromeHidden"))) {
-    return v8::FunctionTemplate::New(GetChromeHidden);
-  }
-
-  if (name->Equals(v8::String::New("Print"))) {
-    return v8::FunctionTemplate::New(Print);
-  }
-
-  return v8::Handle<v8::FunctionTemplate>();
-}
-
-v8::Handle<v8::Value> ExtensionBase::GetChromeHidden(
-    const v8::Arguments& args) {
-  v8::Local<v8::Context> context = v8::Context::GetCurrent();
-  v8::Local<v8::Object> global = context->Global();
-  v8::Local<v8::Value> hidden = global->GetHiddenValue(
-      v8::String::New(kChromeHidden));
-
-  if (hidden.IsEmpty() || hidden->IsUndefined()) {
-    hidden = v8::Object::New();
-    global->SetHiddenValue(v8::String::New(kChromeHidden), hidden);
-
-#ifndef NDEBUG
-    // Tell extension_process_bindings.js to validate callbacks and events
-    // against their schema definitions in api/extension_api.json.
-    v8::Local<v8::Object>::Cast(hidden)
-        ->Set(v8::String::New(kValidateCallbacks), v8::True());
-#endif
-  }
-
-  DCHECK(hidden->IsObject());
-  return hidden;
-}
-
-v8::Handle<v8::Value> ExtensionBase::Print(const v8::Arguments& args) {
-  if (args.Length() < 1)
-    return v8::Undefined();
-
-  std::vector<std::string> components;
-  for (int i = 0; i < args.Length(); ++i)
-    components.push_back(*v8::String::Utf8Value(args[i]->ToString()));
-
-  LOG(ERROR) << JoinString(components, ',');
-  return v8::Undefined();
-}
-
 ContextInfo::ContextInfo(v8::Persistent<v8::Context> context,
                          const std::string& extension_id,
                          WebFrame* frame)
     : context(context),
       extension_id(extension_id),
       unsafe_frame(frame),
       num_connected_events(0) {
 }
 
 ContextInfo::~ContextInfo() {}
 
 ContextList& GetContexts() {
   return g_singleton_data.Get().contexts;
 }
 
 ContextInfo* GetInfoForCurrentContext() {
   // This can happen in testing scenarios and v8::Context::GetCurrent() crashes
   // if there is no JavaScript currently running.
   if (!v8::Context::InContext())
     return NULL;
 
   v8::Local<v8::Context> context = v8::Context::GetCurrent();
   ContextList::iterator context_iter = FindContext(context);
   if (context_iter == GetContexts().end())
     return NULL;
   else
     return context_iter->get();
 }
 
+v8::Handle<v8::Object> GetChromeHiddenForContext(
+    v8::Handle<v8::Context> context) {
+  v8::Local<v8::Object> global = context->Global();
+  v8::Local<v8::Value> hidden = global->GetHiddenValue(
+      v8::String::New(kChromeHidden));
+
+  if (hidden.IsEmpty() || hidden->IsUndefined()) {
+    hidden = v8::Object::New();
+    global->SetHiddenValue(v8::String::New(kChromeHidden), hidden);
+
+#ifndef NDEBUG
+    // Tell extension_process_bindings.js to validate callbacks and events
+    // against their schema definitions in api/extension_api.json.
+    v8::Local<v8::Object>::Cast(hidden)
+        ->Set(v8::String::New(kValidateCallbacks), v8::True());
+#endif
+  }
+
+  DCHECK(hidden->IsObject());
+  return v8::Local<v8::Object>::Cast(hidden);
+}
+
 PendingRequest::PendingRequest(v8::Persistent<v8::Context> context,
                                const std::string& name)
     : context(context), name(name) {
 }
 
 PendingRequest::~PendingRequest() {}
 
 ContextList::iterator FindContext(v8::Handle<v8::Context> context) {
   ContextList& all_contexts = GetContexts();
 
@@ skipping 46 matching lines @@
   }
 
   v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(value);
   if (!function.IsEmpty())
     return function->Call(v8::Object::New(), argc, argv);
 
   return v8::Undefined();
 }
 
 }  // namespace bindings_utils