private static void changeScene(Scene scene, Transition transition) {
ViewGroup sceneRoot = scene.getSceneRoot();
Transition transitionClone = null;
if (transition != null) {
transitionClone = transition.clone();
transitionClone.setSceneRoot(sceneRoot);
}
Scene oldScene = Scene.getCurrentScene(sceneRoot);
if (!(oldScene == null || transitionClone == null || !oldScene.isCreatedFromLayoutResource())) {
transitionClone.setCanRemoveViews(true);
}
sceneChangeSetup(sceneRoot, transitionClone);
scene.enter();
sceneChangeRunTransition(sceneRoot, transitionClone);
}
private Transition getTransition(Scene scene) {
Transition transition;
ViewGroup sceneRoot = scene.getSceneRoot();
if (sceneRoot != null) {
Scene currScene = Scene.getCurrentScene(sceneRoot);
if (currScene != null) {
ArrayMap<Scene, Transition> sceneTransitionMap =
(ArrayMap) this.mScenePairTransitions.get(scene);
if (sceneTransitionMap != null) {
transition = (Transition) sceneTransitionMap.get(currScene);
if (transition != null) {
return transition;
}
}
}
}
transition = (Transition) this.mSceneTransitions.get(scene);
return transition != null ? transition : sDefaultTransition;
}
/**
* Returns the Transition for the given scene being entered. The result depends not only on the
* given scene, but also the scene which the {@link Scene#getSceneRoot() sceneRoot} of the Scene
* is currently in.
*
* @param scene The scene being entered
* @return The Transition to be used for the given scene change. If no Transition was specified
* for this scene change, the default transition will be used instead.
*/
private Transition getTransition(Scene scene) {
Transition transition = null;
ViewGroup sceneRoot = scene.getSceneRoot();
if (sceneRoot != null) {
// TODO: cached in Scene instead? long-term, cache in View itself
Scene currScene = Scene.getCurrentScene(sceneRoot);
if (currScene != null) {
ArrayMap<Scene, Transition> sceneTransitionMap = mScenePairTransitions.get(scene);
if (sceneTransitionMap != null) {
transition = sceneTransitionMap.get(currScene);
if (transition != null) {
return transition;
}
}
}
}
transition = mSceneTransitions.get(scene);
return (transition != null) ? transition : sDefaultTransition;
}