/**
* Request to redraw the map when a global state like position, datasource or theme has changed.
* This will trigger a call to onUpdate() for all Layers.
*
* @param requestRender also request to draw a frame
*/
public void redrawMap(boolean requestRender) {
if (requestRender && !mClearMap && !mPausing && mInitialized) mGLView.requestRender();
if (!mWaitRedraw) {
mWaitRedraw = true;
post(mRedrawRequest);
}
}
/**
* Update all Layers on Main thread.
*
* @param forceRedraw also render frame FIXME (does nothing atm)
*/
void redrawMapInternal(boolean forceRedraw) {
boolean changed = forceRedraw;
if (mPausing || !mInitialized) return;
if (forceRedraw && !mClearMap) mGLView.requestRender();
// get the current MapPosition
changed |= mMapViewPosition.getMapPosition(mMapPosition);
mLayerManager.onUpdate(mMapPosition, changed, mClearMap);
// delay redraw until all layers had the chance to clear
// their state.
if (mClearMap) {
mGLView.requestRender();
mClearMap = false;
}
}
/** Request to render a frame. Use this for animations. */
public void render() {
if (mClearMap) redrawMap(false);
else mGLView.requestRender();
}