third_party/WebKit/Source/platform/ScriptForbiddenScope.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef ScriptForbiddenScope_h
   6 #define ScriptForbiddenScope_h
   7
   8 #include "platform/PlatformExport.h"
   9 #include "wtf/Assertions.h"
  10 #include "wtf/Optional.h"
  11 #include "wtf/TemporaryChange.h"
  12
  13 namespace blink {
  14
  15 class PLATFORM_EXPORT ScriptForbiddenScope {
  16 public:
  17     ScriptForbiddenScope();
  18     ~ScriptForbiddenScope();
  19
  20     class PLATFORM_EXPORT AllowUserAgentScript {
  21     public:
  22         AllowUserAgentScript();
  23         ~AllowUserAgentScript();
  24     private:
  25         Optional<TemporaryChange<unsigned>> m_change;
  26     };
  27
  28     static void enter();
  29     static void exit();
  30     static bool isScriptForbidden();
  31 };
  32
  33 } // namespace blink
  34
  35 #endif // ScriptForbiddenScope_h