protected void render(GLCanvas canvas) {
boolean transitionActive = false;
if (mTransition != null && mTransition.calculate(AnimationTime.get())) {
invalidate();
transitionActive = mTransition.isActive();
}
renderBackground(canvas);
canvas.save();
if (transitionActive) {
mTransition.applyContentTransform(this, canvas);
}
for (int i = 0, n = getComponentCount(); i < n; ++i) {
renderChild(canvas, getComponent(i));
}
canvas.restore();
if (transitionActive) {
mTransition.applyOverlay(this, canvas);
}
}
protected void renderChild(GLCanvas canvas, GLView component) {
if (component.getVisibility() != GLView.VISIBLE && component.mAnimation == null) return;
int xoffset = component.mBounds.left - mScrollX;
int yoffset = component.mBounds.top - mScrollY;
canvas.translate(xoffset, yoffset);
CanvasAnimation anim = component.mAnimation;
if (anim != null) {
canvas.save(anim.getCanvasSaveFlags());
if (anim.calculate(AnimationTime.get())) {
invalidate();
} else {
component.mAnimation = null;
}
anim.apply(canvas);
}
component.render(canvas);
if (anim != null) canvas.restore();
canvas.translate(-xoffset, -yoffset);
}