blob: cd7c65d509af88fcd115deee1cd76373d3642e4c [file] [log] [blame]
// Copyright 2014 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 "config.h"
#include "platform/ScriptForbiddenScope.h"
#include "wtf/Assertions.h"
#include "wtf/MainThread.h"
namespace blink {
static unsigned s_scriptForbiddenCount = 0;
ScriptForbiddenScope::ScriptForbiddenScope()
{
ASSERT(isMainThread());
++s_scriptForbiddenCount;
}
ScriptForbiddenScope::~ScriptForbiddenScope()
{
ASSERT(isMainThread());
ASSERT(s_scriptForbiddenCount);
--s_scriptForbiddenCount;
}
void ScriptForbiddenScope::enter()
{
ASSERT(isMainThread());
++s_scriptForbiddenCount;
}
void ScriptForbiddenScope::exit()
{
ASSERT(isMainThread());
ASSERT(s_scriptForbiddenCount);
--s_scriptForbiddenCount;
}
bool ScriptForbiddenScope::isScriptForbidden()
{
return isMainThread() && s_scriptForbiddenCount;
}
ScriptForbiddenScope::AllowUserAgentScript::AllowUserAgentScript()
: m_change(s_scriptForbiddenCount, 0)
{
}
ScriptForbiddenScope::AllowUserAgentScript::~AllowUserAgentScript()
{
ASSERT(!s_scriptForbiddenCount);
}
ScriptForbiddenScope::AllowSuperUnsafeScript::AllowSuperUnsafeScript()
: m_change(s_scriptForbiddenCount, 0)
{
}
ScriptForbiddenScope::AllowSuperUnsafeScript::~AllowSuperUnsafeScript()
{
ASSERT(!s_scriptForbiddenCount);
}
} // namespace blink