void TileController::setMarginSize(int marginSize)
{
if (marginSize == m_marginSize)
return;
m_marginSize = marginSize;
setNeedsRevalidateTiles();
}
void TileController::setTileCoverage(TileCoverage coverage)
{
if (coverage == m_tileCoverage)
return;
m_tileCoverage = coverage;
setNeedsRevalidateTiles();
}
void TileController::tileSizeChangeTimerFired()
{
if (!owningGraphicsLayer())
return;
m_tileSizeLocked = false;
setNeedsRevalidateTiles();
}
void TileController::setVelocity(const VelocityData& velocity)
{
bool changeAffectsTileCoverage = m_velocity.velocityOrScaleIsChanging() || velocity.velocityOrScaleIsChanging();
m_velocity = velocity;
if (changeAffectsTileCoverage)
setNeedsRevalidateTiles();
}
void TileController::setHasMargins(bool marginTop, bool marginBottom, bool marginLeft, bool marginRight)
{
BoxExtent<bool> marginEdges(marginTop, marginRight, marginBottom, marginLeft);
if (marginEdges == m_marginEdges)
return;
m_marginEdges = marginEdges;
setNeedsRevalidateTiles();
}
void TileController::setCoverageRect(const FloatRect& rect)
{
ASSERT(owningGraphicsLayer()->isCommittingChanges());
if (m_coverageRect == rect)
return;
m_coverageRect = rect;
setNeedsRevalidateTiles();
}
void TileController::setTileMargins(int marginTop, int marginBottom, int marginLeft, int marginRight)
{
m_marginTop = marginTop;
m_marginBottom = marginBottom;
m_marginLeft = marginLeft;
m_marginRight = marginRight;
setNeedsRevalidateTiles();
}
void TileController::setIsInWindow(bool isInWindow)
{
if (m_isInWindow == isInWindow)
return;
m_isInWindow = isInWindow;
if (m_isInWindow)
setNeedsRevalidateTiles();
else {
const double tileRevalidationTimeout = 4;
scheduleTileRevalidation(tileRevalidationTimeout);
}
}
void TileController::tileRevalidationTimerFired()
{
if (!owningGraphicsLayer())
return;
if (m_isInWindow) {
setNeedsRevalidateTiles();
return;
}
// If we are not visible get rid of the zoomed-out tiles.
clearZoomedOutTileGrid();
TileGrid::TileValidationPolicy validationPolicy = (shouldAggressivelyRetainTiles() ? 0 : TileGrid::PruneSecondaryTiles) | TileGrid::UnparentAllTiles;
tileGrid().revalidateTiles(validationPolicy);
}
void TileController::tileCacheLayerBoundsChanged()
{
ASSERT(owningGraphicsLayer()->isCommittingChanges());
setNeedsRevalidateTiles();
notePendingTileSizeChange();
}
void TileController::prepopulateRect(const FloatRect& rect)
{
if (tileGrid().prepopulateRect(rect))
setNeedsRevalidateTiles();
}