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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.incallui;
import android.app.Activity;
import android.app.Fragment;
import android.os.Bundle;
/**
* Parent for all fragments that use Presenters and Ui design.
*/
public abstract class BaseFragment<T extends Presenter<U>, U extends Ui> extends Fragment {
private static final String KEY_FRAGMENT_HIDDEN = "key_fragment_hidden";
private T mPresenter;
abstract T createPresenter();
abstract U getUi();
protected BaseFragment() {
mPresenter = createPresenter();
}
/**
* Presenter will be available after onActivityCreated().
*
* @return The presenter associated with this fragment.
*/
public T getPresenter() {
return mPresenter;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mPresenter.onUiReady(getUi());
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState != null) {
mPresenter.onRestoreInstanceState(savedInstanceState);
if (savedInstanceState.getBoolean(KEY_FRAGMENT_HIDDEN)) {
getFragmentManager().beginTransaction().hide(this).commit();
}
}
}
@Override
public void onDestroyView() {
super.onDestroyView();
mPresenter.onUiDestroy(getUi());
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mPresenter.onSaveInstanceState(outState);
outState.putBoolean(KEY_FRAGMENT_HIDDEN, isHidden());
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
((FragmentDisplayManager) activity).onFragmentAttached(this);
}
}
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