IntRect RenderThemeGtk::calculateProgressRect(RenderObject* renderObject, const IntRect& fullBarRect)
{
IntRect progressRect(fullBarRect);
RenderProgress* renderProgress = toRenderProgress(renderObject);
if (renderProgress->isDeterminate()) {
int progressWidth = progressRect.width() * renderProgress->position();
if (renderObject->style()->direction() == RTL)
progressRect.setX(progressRect.x() + progressRect.width() - progressWidth);
progressRect.setWidth(progressWidth);
return progressRect;
}
double animationProgress = renderProgress->animationProgress();
// Never let the progress rect shrink smaller than 2 pixels.
int newWidth = max(2, progressRect.width() / progressActivityBlocks);
int movableWidth = progressRect.width() - newWidth;
progressRect.setWidth(newWidth);
// We want the first 0.5 units of the animation progress to represent the
// forward motion and the second 0.5 units to represent the backward motion,
// thus we multiply by two here to get the full sweep of the progress bar with
// each direction.
if (animationProgress < 0.5)
progressRect.setX(progressRect.x() + (animationProgress * 2 * movableWidth));
else
progressRect.setX(progressRect.x() + ((1.0 - animationProgress) * 2 * movableWidth));
return progressRect;
}
bool RenderThemeQStyle::paintProgressBar(RenderObject* o, const PaintInfo& pi, const IntRect& r)
{
if (!o->isProgress())
return true;
StylePainterQStyle p(this, pi);
if (!p.isValid())
return true;
QStyleOptionProgressBarV2 option;
initStyleOption(p.widget, option);
initializeCommonQStyleOptions(option, o);
RenderProgress* renderProgress = toRenderProgress(o);
option.rect = r;
option.maximum = std::numeric_limits<int>::max();
option.minimum = 0;
option.progress = (renderProgress->position() * std::numeric_limits<int>::max());
const QPoint topLeft = r.location();
p.painter->translate(topLeft);
option.rect.moveTo(QPoint(0, 0));
option.rect.setSize(r.size());
if (option.progress < 0) {
// FIXME: Until http://bugreports.qt.nokia.com/browse/QTBUG-9171 is fixed,
// we simulate one square animating across the progress bar.
p.drawControl(QStyle::CE_ProgressBarGroove, option);
int chunkWidth = qStyle()->pixelMetric(QStyle::PM_ProgressBarChunkWidth, &option);
QColor color = (option.palette.highlight() == option.palette.background()) ? option.palette.color(QPalette::Active, QPalette::Highlight) : option.palette.color(QPalette::Highlight);
if (renderProgress->style()->direction() == RTL)
p.painter->fillRect(option.rect.right() - chunkWidth - renderProgress->animationProgress() * option.rect.width(), 0, chunkWidth, option.rect.height(), color);
else
p.painter->fillRect(renderProgress->animationProgress() * option.rect.width(), 0, chunkWidth, option.rect.height(), color);
} else
p.drawControl(QStyle::CE_ProgressBar, option);
p.painter->translate(-topLeft);
return false;
}
bool RenderThemeNix::paintProgressBar(RenderObject* o, const PaintInfo& i, const IntRect& rect)
{
RenderProgress* renderProgress = toRenderProgress(o);
WebKit::WebThemeEngine::ProgressBarExtraParams extraParams;
extraParams.isDeterminate = renderProgress->isDeterminate();
extraParams.position = renderProgress->position();
extraParams.animationProgress = renderProgress->animationProgress();
extraParams.animationStartTime = renderProgress->animationStartTime();
themeEngine()->paintProgressBar(webCanvas(i), getWebThemeState(this, o), WebKit::WebRect(rect), extraParams);
return false;
}
bool RenderThemeQStyle::paintProgressBar(RenderObject* o, const PaintInfo& pi, const IntRect& r)
{
if (!o->isProgress())
return true;
StylePainterQStyle p(this, pi, o);
if (!p.isValid())
return true;
p.styleOption.rect = r;
RenderProgress* renderProgress = toRenderProgress(o);
p.paintProgressBar(renderProgress->position(), renderProgress->animationProgress());
return false;
}
bool RenderThemeQtMobile::paintProgressBar(RenderObject* o, const PaintInfo& pi, const IntRect& r)
{
if (!o->isProgress())
return true;
StylePainterMobile p(this, pi);
if (!p.isValid())
return true;
RenderProgress* renderProgress = toRenderProgress(o);
const bool isRTL = (renderProgress->style()->direction() == RTL);
if (renderProgress->isDeterminate())
p.drawProgress(r, renderProgress->position(), !isRTL);
else
p.drawProgress(r, renderProgress->animationProgress(), !isRTL, true);
return false;
}