Reland r57788 - Expose Extension Bindings to Component Applications

chrome/renderer/extensions/extension_renderer_info.cc

 // Copyright (c) 2010 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/extension_renderer_info.h"
 
 #include "base/logging.h"
 #include "chrome/common/render_messages_params.h"
 #include "chrome/common/url_constants.h"
 
@@ skipping 11 matching lines @@
   icon_url_ = that.icon_url_;
 }
 
 ExtensionRendererInfo::~ExtensionRendererInfo() {
 }
 
 void ExtensionRendererInfo::Update(const ViewMsg_ExtensionRendererInfo& info) {
   id_ = info.id;
   web_extent_ = info.web_extent;
   name_ = info.name;
+  location_ = info.location;
   icon_url_ = info.icon_url;
 }
 
 // static
 void ExtensionRendererInfo::UpdateExtensions(
     const ViewMsg_ExtensionsUpdated_Params& params) {
   size_t count = params.extensions.size();
   if (!extensions_)
     extensions_ = new std::vector<ExtensionRendererInfo>(count);
   else
     extensions_->resize(count);
 
   for (size_t i = 0; i < count; ++i)
     extensions_->at(i).Update(params.extensions[i]);
 }
 
 // static
+std::string ExtensionRendererInfo::GetIdByURL(const GURL& url) {
+  if (url.SchemeIs(chrome::kExtensionScheme))
+    return url.host();
+
+  ExtensionRendererInfo* info = GetByURL(url);
+  if (!info)
+    return "";
+
+  return info->id();
+}
+
+// static
 ExtensionRendererInfo* ExtensionRendererInfo::GetByURL(const GURL& url) {
   if (url.SchemeIs(chrome::kExtensionScheme))
     return GetByID(url.host());
 
   if (!extensions_)
     return NULL;
 
   std::vector<ExtensionRendererInfo>::iterator i = extensions_->begin();
   for (; i != extensions_->end(); ++i) {
     if (i->web_extent_.ContainsURL(url))
@@ skipping 18 matching lines @@
     return NULL;
   }
 
   std::vector<ExtensionRendererInfo>::iterator i = extensions_->begin();
   for (; i != extensions_->end(); ++i) {
     if (i->id() == id)
       return &(*i);
   }
   return NULL;
 }
+
+// static
+bool ExtensionRendererInfo::ExtensionBindingsAllowed(const GURL& url) {
+  if (url.SchemeIs(chrome::kExtensionScheme))
+    return true;
+
+  if (!extensions_)
+    return false;
+
+  std::vector<ExtensionRendererInfo>::iterator i = extensions_->begin();
+  for (; i != extensions_->end(); ++i) {
+    if (i->location_ == Extension::COMPONENT &&
+        i->web_extent_.ContainsURL(url))
+      return true;
+  }
+
+  return false;
+}