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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Google, Inc. nor the names of
* 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
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "FrameLoaderStateMachine.h"
#include <wtf/Assertions.h>
namespace WebCore {
FrameLoaderStateMachine::FrameLoaderStateMachine()
: m_state(Uninitialized)
{
}
bool FrameLoaderStateMachine::committingFirstRealLoad() const
{
return m_state == DisplayingInitialEmptyDocument;
}
bool FrameLoaderStateMachine::committedFirstRealDocumentLoad() const
{
return m_state >= DisplayingInitialEmptyDocumentPostCommit;
}
bool FrameLoaderStateMachine::creatingInitialEmptyDocument() const
{
return m_state == CreatingInitialEmptyDocument;
}
bool FrameLoaderStateMachine::isDisplayingInitialEmptyDocument() const
{
return m_state == DisplayingInitialEmptyDocument || m_state == DisplayingInitialEmptyDocumentPostCommit;
}
bool FrameLoaderStateMachine::firstLayoutDone() const
{
return m_state == FirstLayoutDone;
}
void FrameLoaderStateMachine::advanceTo(State state)
{
ASSERT(State(m_state + 1) == state || (firstLayoutDone() && state == CommittedFirstRealLoad));
m_state = state;
}
} // namespace WebCore