third_party/WebKit/Source/core/loader/FrameLoaderStateMachine.cpp

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
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 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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#include "core/loader/FrameLoaderStateMachine.h"

#include "wtf/Assertions.h"

namespace blink {


FrameLoaderStateMachine::FrameLoaderStateMachine()
    : m_state(CreatingInitialEmptyDocument)
{
}

bool FrameLoaderStateMachine::committedFirstRealDocumentLoad() const
{
    return m_state >= CommittedFirstRealLoad;
}

bool FrameLoaderStateMachine::creatingInitialEmptyDocument() const
{
    return m_state == CreatingInitialEmptyDocument;
}

bool FrameLoaderStateMachine::committedMultipleRealLoads() const
{
    return m_state == CommittedMultipleRealLoads;
}

bool FrameLoaderStateMachine::isDisplayingInitialEmptyDocument() const
{
    return m_state >= DisplayingInitialEmptyDocument && m_state < CommittedFirstRealLoad;
}

void FrameLoaderStateMachine::advanceTo(State state)
{
    ASSERT(m_state < state);
    m_state = state;
}

} // namespace blink