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/*
* Copyright (C) 2016 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.tv.settings;
import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
import static com.android.tv.settings.overlay.FlavorUtils.ALL_FLAVORS_MASK;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.transition.Scene;
import android.transition.Slide;
import android.transition.Transition;
import android.transition.TransitionManager;
import android.util.Log;
import android.view.Gravity;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentManager;
import com.android.tv.settings.overlay.FlavorUtils;
import java.util.List;
public abstract class TvSettingsActivity extends FragmentActivity {
private static final String TAG = "TvSettingsActivity";
private static final String SETTINGS_FRAGMENT_TAG =
"com.android.tv.settings.MainSettings.SETTINGS_FRAGMENT";
private static final int UI_UPDATE_DELAY_MS = 200;
private static final int REQUEST_CODE_STARTUP_VERIFICATION = 1;
private Handler mHandler = new Handler(Looper.getMainLooper());
public Fragment getVisibleFragment() {
FragmentManager fragmentManager = getSupportFragmentManager();
List<Fragment> fragments = fragmentManager.getFragments();
if (fragments != null) {
for (Fragment fragment : fragments) {
if (fragment != null && fragment.isVisible()) {
return fragment;
}
}
}
return null;
}
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
if ((FlavorUtils.getFlavor(this) & getAvailableFlavors()) == 0) {
Log.w(TAG, "Activity is not supported in current flavor");
finish();
}
if (savedInstanceState == null) {
final Fragment fragment = createSettingsFragment();
if (fragment == null) {
return;
}
if (isStartupVerificationRequired()) {
if (FlavorUtils.getFeatureFactory(this)
.getStartupVerificationFeatureProvider()
.startStartupVerificationActivityForResult(
this, REQUEST_CODE_STARTUP_VERIFICATION)) {
return;
}
}
if (FlavorUtils.isTwoPanel(this)) {
getSupportFragmentManager().beginTransaction()
.setCustomAnimations(android.R.animator.fade_in,
android.R.animator.fade_out)
.add(android.R.id.content, fragment, SETTINGS_FRAGMENT_TAG)
.commitNow();
return;
}
final ViewGroup root = findViewById(android.R.id.content);
root.getViewTreeObserver().addOnPreDrawListener(
new ViewTreeObserver.OnPreDrawListener() {
@Override
public boolean onPreDraw() {
root.getViewTreeObserver().removeOnPreDrawListener(this);
final Scene scene = new Scene(root);
scene.setEnterAction(() -> {
if (getFragmentManager().isStateSaved()
|| getFragmentManager().isDestroyed()) {
Log.d(TAG, "Got torn down before adding fragment");
return;
}
getSupportFragmentManager().beginTransaction()
.add(android.R.id.content, fragment,
SETTINGS_FRAGMENT_TAG)
.commitNow();
});
final Slide slide = new Slide(Gravity.END);
slide.setSlideFraction(
getResources().getDimension(R.dimen.lb_settings_pane_width)
/ root.getWidth());
TransitionManager.go(scene, slide);
// Skip the current draw, there's nothing in it
return false;
}
});
}
}
@Override
public void finish() {
final Fragment fragment = getSupportFragmentManager().findFragmentByTag(
SETTINGS_FRAGMENT_TAG);
if (FlavorUtils.isTwoPanel(this)) {
super.finish();
return;
}
if (isResumed() && fragment != null) {
final ViewGroup root = findViewById(android.R.id.content);
final Scene scene = new Scene(root);
scene.setEnterAction(() -> getSupportFragmentManager().beginTransaction()
.remove(fragment)
.commitNow());
final Slide slide = new Slide(Gravity.END);
slide.setSlideFraction(
getResources().getDimension(R.dimen.lb_settings_pane_width) / root.getWidth());
slide.addListener(new Transition.TransitionListener() {
@Override
public void onTransitionStart(Transition transition) {
getWindow().setDimAmount(0);
}
@Override
public void onTransitionEnd(Transition transition) {
transition.removeListener(this);
TvSettingsActivity.super.finish();
}
@Override
public void onTransitionCancel(Transition transition) {
}
@Override
public void onTransitionPause(Transition transition) {
}
@Override
public void onTransitionResume(Transition transition) {
}
});
TransitionManager.go(scene, slide);
} else {
super.finish();
}
}
protected abstract Fragment createSettingsFragment();
/**
* Subclass may override this to return true to indicate that the Activity may only be started
* after some verification. Example: in special mode, we need to challenge the user with re-auth
* before launching account settings.
*
* This only works in certain flavors as we do not have features requiring the startup
* verification in classic flavor or ordinary two panel flavor.
*/
protected boolean isStartupVerificationRequired() {
return false;
}
/** Subclass may override this to specify the flavor, in which the activity is available. */
protected int getAvailableFlavors() {
return ALL_FLAVORS_MASK;
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_CODE_STARTUP_VERIFICATION) {
if (resultCode == RESULT_OK) {
Log.v(TAG, "Startup verification succeeded.");
if (FlavorUtils.getFlavor(this) == FlavorUtils.FLAVOR_X
|| FlavorUtils.getFlavor(this) == FlavorUtils.FLAVOR_VENDOR) {
if (createSettingsFragment() == null) {
Log.e(TAG, "Fragment is null.");
finish();
return;
}
getSupportFragmentManager().beginTransaction()
.setCustomAnimations(
android.R.animator.fade_in, android.R.animator.fade_out)
.add(
android.R.id.content,
createSettingsFragment(),
SETTINGS_FRAGMENT_TAG)
.commitNow();
}
} else {
Log.v(TAG, "Startup verification cancelled or failed.");
finish();
}
}
}
@Override
public void onPause() {
super.onPause();
mHandler.removeCallbacksAndMessages(null);
}
}
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