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/*
* Copyright 2011, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER OR
* 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 "PaintTileOperation.h"
namespace WebCore {
PaintTileOperation::PaintTileOperation(BaseTile* tile)
: QueuedOperation(QueuedOperation::PaintTile, tile->page())
, m_tile(tile)
{
if (m_tile)
m_tile->setRepaintPending(true);
}
PaintTileOperation::~PaintTileOperation()
{
if (m_tile) {
m_tile->setRepaintPending(false);
m_tile = 0;
}
}
bool PaintTileOperation::operator==(const QueuedOperation* operation)
{
if (operation->type() != type())
return false;
const PaintTileOperation* op = static_cast<const PaintTileOperation*>(operation);
return op->m_tile == m_tile;
}
void PaintTileOperation::run()
{
if (m_tile) {
m_tile->paintBitmap();
m_tile->setRepaintPending(false);
m_tile = 0;
}
}
int PaintTileOperation::priority()
{
if (!m_tile || m_tile->usedLevel() < 0)
return -1;
bool goingDown = m_tile->page()->scrollingDown();
SkIRect *rect = m_tile->page()->expandedTileBounds();
int firstTileX = rect->fLeft;
int nbTilesWidth = rect->width();
int priority = m_tile->x() - firstTileX;
if (goingDown)
priority += (rect->fBottom - m_tile->y()) * nbTilesWidth;
else
priority += (m_tile->y() - rect->fTop) * nbTilesWidth;
priority += m_tile->usedLevel() * 100000;
return priority;
}
}
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