C++ (Cpp) LayoutDeviceIntRect::IsEqualEdges Exemples

Exemple #1

void
PuppetWidget::Resize(double aWidth,
                     double aHeight,
                     bool   aRepaint)
{
  LayoutDeviceIntRect oldBounds = mBounds;
  mBounds.SizeTo(LayoutDeviceIntSize(NSToIntRound(aWidth),
                                     NSToIntRound(aHeight)));

  if (mChild) {
    mChild->Resize(aWidth, aHeight, aRepaint);
    return;
  }

  // XXX: roc says that |aRepaint| dictates whether or not to
  // invalidate the expanded area
  if (oldBounds.Size() < mBounds.Size() && aRepaint) {
    LayoutDeviceIntRegion dirty(mBounds);
    dirty.Sub(dirty, oldBounds);
    InvalidateRegion(this, dirty);
  }

  // call WindowResized() on both the current listener, and possibly
  // also the previous one if we're in a state where we're drawing that one
  // because the current one is paint suppressed
  if (!oldBounds.IsEqualEdges(mBounds) && mAttachedWidgetListener) {
    if (GetCurrentWidgetListener() &&
        GetCurrentWidgetListener() != mAttachedWidgetListener) {
      GetCurrentWidgetListener()->WindowResized(this, mBounds.width, mBounds.height);
    }
    mAttachedWidgetListener->WindowResized(this, mBounds.width, mBounds.height);
  }
}