src/third_party/WebKit/Source/core/dom/ScriptForbiddenScope.cpp

   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 #include "config.h"
   6 #include "core/dom/ScriptForbiddenScope.h"
   7
   8 #include "wtf/Assertions.h"
   9 #include "wtf/MainThread.h"
  10
  11 namespace WebCore {
  12
  13 #if ASSERT_ENABLED
  14
  15 static unsigned s_scriptForbiddenCount = 0;
  16
  17 ScriptForbiddenScope::ScriptForbiddenScope()
  18 {
  19     ASSERT(isMainThread());
  20     ++s_scriptForbiddenCount;
  21 }
  22
  23 ScriptForbiddenScope::~ScriptForbiddenScope()
  24 {
  25     ASSERT(isMainThread());
  26     --s_scriptForbiddenCount;
  27 }
  28
  29 bool ScriptForbiddenScope::isScriptForbidden()
  30 {
  31     return isMainThread() && s_scriptForbiddenCount;
  32 }
  33
  34 ScriptForbiddenScope::AllowUserAgentScript::AllowUserAgentScript()
  35     : m_change(s_scriptForbiddenCount, 0)
  36 {
  37 }
  38
  39 ScriptForbiddenScope::AllowUserAgentScript::~AllowUserAgentScript()
  40 {
  41     ASSERT(!s_scriptForbiddenCount);
  42 }
  43
  44 #endif
  45
  46 } // namespace WebCore