Add the ability to restrict V8 extension loading by frame using a new CefPermissionHandler::OnBeforeScriptExtensionLoad() callback (issue #471).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@457 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef_dll/ctocpp/client_ctocpp.cc

@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Embedded Framework Authors. All rights
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
 // reserved. Use of this source code is governed by a BSD-style license that
 // can be found in the LICENSE file.
 //
@@ -20,6 +20,7 @@
 #include "libcef_dll/ctocpp/life_span_handler_ctocpp.h"
 #include "libcef_dll/ctocpp/load_handler_ctocpp.h"
 #include "libcef_dll/ctocpp/menu_handler_ctocpp.h"
+#include "libcef_dll/ctocpp/permission_handler_ctocpp.h"
 #include "libcef_dll/ctocpp/print_handler_ctocpp.h"
 #include "libcef_dll/ctocpp/render_handler_ctocpp.h"
 #include "libcef_dll/ctocpp/request_handler_ctocpp.h"
@@ -126,6 +127,20 @@ CefRefPtr<CefMenuHandler> CefClientCToCpp::GetMenuHandler()
   return CefMenuHandlerCToCpp::Wrap(_retval);
 }
 
+CefRefPtr<CefPermissionHandler> CefClientCToCpp::GetPermissionHandler()
+{
+  if (CEF_MEMBER_MISSING(struct_, get_permission_handler))
+    return NULL;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  cef_permission_handler_t* _retval = struct_->get_permission_handler(struct_);
+
+  // Return type: refptr_same
+  return CefPermissionHandlerCToCpp::Wrap(_retval);
+}
+
 CefRefPtr<CefPrintHandler> CefClientCToCpp::GetPrintHandler()
 {
   if (CEF_MEMBER_MISSING(struct_, get_print_handler))

libcef_dll/ctocpp/client_ctocpp.h

@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Embedded Framework Authors. All rights
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
 // reserved. Use of this source code is governed by a BSD-style license that
 // can be found in the LICENSE file.
 //
@@ -39,6 +39,7 @@ public:
   virtual CefRefPtr<CefFocusHandler> GetFocusHandler() OVERRIDE;
   virtual CefRefPtr<CefKeyboardHandler> GetKeyboardHandler() OVERRIDE;
   virtual CefRefPtr<CefMenuHandler> GetMenuHandler() OVERRIDE;
+  virtual CefRefPtr<CefPermissionHandler> GetPermissionHandler() OVERRIDE;
   virtual CefRefPtr<CefPrintHandler> GetPrintHandler() OVERRIDE;
   virtual CefRefPtr<CefFindHandler> GetFindHandler() OVERRIDE;
   virtual CefRefPtr<CefJSDialogHandler> GetJSDialogHandler() OVERRIDE;

libcef_dll/ctocpp/permission_handler_ctocpp.cc

@@ -0,0 +1,57 @@
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+
+#include "libcef_dll/cpptoc/browser_cpptoc.h"
+#include "libcef_dll/cpptoc/frame_cpptoc.h"
+#include "libcef_dll/ctocpp/permission_handler_ctocpp.h"
+
+
+// VIRTUAL METHODS - Body may be edited by hand.
+
+bool CefPermissionHandlerCToCpp::OnBeforeScriptExtensionLoad(
+    CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame,
+    const CefString& extensionName)
+{
+  if (CEF_MEMBER_MISSING(struct_, on_before_script_extension_load))
+    return false;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser.get());
+  if (!browser.get())
+    return false;
+  // Verify param: frame; type: refptr_diff
+  DCHECK(frame.get());
+  if (!frame.get())
+    return false;
+  // Verify param: extensionName; type: string_byref_const
+  DCHECK(!extensionName.empty());
+  if (extensionName.empty())
+    return false;
+
+  // Execute
+  int _retval = struct_->on_before_script_extension_load(struct_,
+      CefBrowserCppToC::Wrap(browser),
+      CefFrameCppToC::Wrap(frame),
+      extensionName.GetStruct());
+
+  // Return type: bool
+  return _retval?true:false;
+}
+
+
+#ifndef NDEBUG
+template<> long CefCToCpp<CefPermissionHandlerCToCpp, CefPermissionHandler,
+    cef_permission_handler_t>::DebugObjCt = 0;
+#endif
+

libcef_dll/ctocpp/permission_handler_ctocpp.h

@@ -0,0 +1,47 @@
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+
+#ifndef _PERMISSIONHANDLER_CTOCPP_H
+#define _PERMISSIONHANDLER_CTOCPP_H
+
+#ifndef BUILDING_CEF_SHARED
+#pragma message("Warning: "__FILE__" may be accessed DLL-side only")
+#else // BUILDING_CEF_SHARED
+
+#include "include/cef_permission_handler.h"
+#include "include/capi/cef_permission_handler_capi.h"
+#include "include/cef_browser.h"
+#include "include/capi/cef_browser_capi.h"
+#include "include/cef_frame.h"
+#include "include/capi/cef_frame_capi.h"
+#include "libcef_dll/ctocpp/ctocpp.h"
+
+// Wrap a C structure with a C++ class.
+// This class may be instantiated and accessed DLL-side only.
+class CefPermissionHandlerCToCpp
+    : public CefCToCpp<CefPermissionHandlerCToCpp, CefPermissionHandler,
+        cef_permission_handler_t>
+{
+public:
+  CefPermissionHandlerCToCpp(cef_permission_handler_t* str)
+      : CefCToCpp<CefPermissionHandlerCToCpp, CefPermissionHandler,
+          cef_permission_handler_t>(str) {}
+  virtual ~CefPermissionHandlerCToCpp() {}
+
+  // CefPermissionHandler methods
+  virtual bool OnBeforeScriptExtensionLoad(CefRefPtr<CefBrowser> browser,
+      CefRefPtr<CefFrame> frame, const CefString& extensionName) OVERRIDE;
+};
+
+#endif // BUILDING_CEF_SHARED
+#endif // _PERMISSIONHANDLER_CTOCPP_H
+