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/*
* Copyright (C) 2020 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.car.rotaryplayground;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
/**
* Fragment for the menu.
*
* On focus of a menu item, the associated fragment will start in the R.id.rotary_content container.
*/
public class RotaryMenu extends Fragment {
private Fragment mRotaryCards = null;
private Fragment mRotaryGrid = null;
private Fragment mDirectManipulation = null;
private Fragment mSysUiDirectManipulation = null;
private Fragment mNotificationFragment = null;
private Fragment mScrollFragment = null;
private Button mCardButton;
private Button mGridButton;
private Button mDirectManipulationButton;
private Button mSysUiDirectManipulationButton;
private Button mNotificationButton;
private Button mScrollButton;
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.rotary_menu, container, false);
mCardButton = view.findViewById(R.id.cards);
mCardButton.setOnFocusChangeListener((v, hasFocus) -> showRotaryCards(hasFocus));
mCardButton.setOnClickListener(v -> showRotaryCards(/* hasFocus= */ true));
mGridButton = view.findViewById(R.id.grid);
mGridButton.setOnFocusChangeListener((v, hasFocus) -> showGridExample(hasFocus));
mGridButton.setOnClickListener(v -> showGridExample(/* hasFocus= */ true));
mDirectManipulationButton = view.findViewById(R.id.direct_manipulation);
mDirectManipulationButton.setOnFocusChangeListener(
(v, hasFocus) -> showDirectManipulationExamples(hasFocus));
mDirectManipulationButton.setOnClickListener(
(v -> showDirectManipulationExamples(/* hasFocus= */ true)));
mSysUiDirectManipulationButton = view.findViewById(R.id.sys_ui_direct_manipulation);
mSysUiDirectManipulationButton.setOnFocusChangeListener(
(v, hasFocus) -> showSysUiDirectManipulationExamples(hasFocus));
mSysUiDirectManipulationButton.setOnClickListener(
(v -> showSysUiDirectManipulationExamples(/* hasFocus= */ true)));
mNotificationButton = view.findViewById(R.id.notification);
mNotificationButton.setOnFocusChangeListener(
(v, hasFocus) -> showNotificationExample(hasFocus));
mNotificationButton.setOnClickListener(v -> showNotificationExample(/* hasFocus= */ true));
mScrollButton = view.findViewById(R.id.scroll);
mScrollButton.setOnFocusChangeListener((v, hasFocus) -> showScrollFragment(hasFocus));
mScrollButton.setOnClickListener(v -> showScrollFragment(/* hasFocus= */ true));
return view;
}
private void showRotaryCards(boolean hasFocus) {
if (!hasFocus) {
return; // Do nothing if no focus.
}
if (mRotaryCards == null) {
mRotaryCards = new RotaryCards();
}
showFragment(mRotaryCards);
}
private void showGridExample(boolean hasFocus) {
if (!hasFocus) {
return; // do nothing if no focus.
}
if (mRotaryGrid == null) {
mRotaryGrid = new RotaryGrid();
}
showFragment(mRotaryGrid);
}
// TODO(agathaman): refactor this and the showRotaryCards above into a
// showFragment(Fragment fragment, boolean hasFocus); method.
private void showDirectManipulationExamples(boolean hasFocus) {
if (!hasFocus) {
return; // Do nothing if no focus.
}
if (mDirectManipulation == null) {
mDirectManipulation = new RotaryDirectManipulationWidgets();
}
showFragment(mDirectManipulation);
}
private void showSysUiDirectManipulationExamples(boolean hasFocus) {
if (!hasFocus) {
return; // Do nothing if no focus.
}
if (mSysUiDirectManipulation == null) {
mSysUiDirectManipulation = new RotarySysUiDirectManipulationWidgets();
}
showFragment(mSysUiDirectManipulation);
}
private void showNotificationExample(boolean hasFocus) {
if (!hasFocus) {
return; // do nothing if no focus.
}
if (mNotificationFragment == null) {
mNotificationFragment = new HeadsUpNotificationFragment();
}
showFragment(mNotificationFragment);
}
private void showScrollFragment(boolean hasFocus) {
if (!hasFocus) {
return; // Do nothing if no focus.
}
if (mScrollFragment == null) {
mScrollFragment = new ScrollFragment();
}
showFragment(mScrollFragment);
}
private void showFragment(Fragment fragment) {
getFragmentManager().beginTransaction()
.replace(R.id.rotary_content, fragment)
.commit();
}
}
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