/// <summary>
/// Merges all the listeners registered on the specified observer with the listeners
/// registered on this object.
/// </summary>
/// <remarks>
/// Merges all the listeners registered on the specified observer with the listeners
/// registered on this object. After this method is invoked, the specified observer
/// will return false in
/// <see cref="isAlive()">isAlive()</see>
/// and should not be used anymore.
/// </remarks>
/// <param name="observer">The ViewTreeObserver whose listeners must be added to this observer
/// </param>
internal void merge(android.view.ViewTreeObserver observer)
{
if (observer.mOnGlobalFocusListeners != null)
{
if (mOnGlobalFocusListeners != null)
{
mOnGlobalFocusListeners.addAll(observer.mOnGlobalFocusListeners);
}
else
{
mOnGlobalFocusListeners = observer.mOnGlobalFocusListeners;
}
}
if (observer.mOnGlobalLayoutListeners != null)
{
if (mOnGlobalLayoutListeners != null)
{
mOnGlobalLayoutListeners.addAll(observer.mOnGlobalLayoutListeners);
}
else
{
mOnGlobalLayoutListeners = observer.mOnGlobalLayoutListeners;
}
}
if (observer.mOnPreDrawListeners != null)
{
if (mOnPreDrawListeners != null)
{
mOnPreDrawListeners.addAll(observer.mOnPreDrawListeners);
}
else
{
mOnPreDrawListeners = observer.mOnPreDrawListeners;
}
}
if (observer.mOnTouchModeChangeListeners != null)
{
if (mOnTouchModeChangeListeners != null)
{
mOnTouchModeChangeListeners.addAll(observer.mOnTouchModeChangeListeners);
}
else
{
mOnTouchModeChangeListeners = observer.mOnTouchModeChangeListeners;
}
}
if (observer.mOnComputeInternalInsetsListeners != null)
{
if (mOnComputeInternalInsetsListeners != null)
{
mOnComputeInternalInsetsListeners.addAll(observer.mOnComputeInternalInsetsListeners
);
}
else
{
mOnComputeInternalInsetsListeners = observer.mOnComputeInternalInsetsListeners;
}
}
observer.kill();
}