Rabbit-R1/switch port/java/sources/androidx/fragment/app/FragmentPagerAdapter.java
2024-05-21 17:08:36 -04:00

147 lines
5.4 KiB
Java

package androidx.fragment.app;
import android.os.Parcelable;
import android.view.View;
import android.view.ViewGroup;
import androidx.lifecycle.Lifecycle;
import androidx.viewpager.widget.PagerAdapter;
@Deprecated
/* loaded from: classes2.dex */
public abstract class FragmentPagerAdapter extends PagerAdapter {
public static final int BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT = 1;
@Deprecated
public static final int BEHAVIOR_SET_USER_VISIBLE_HINT = 0;
private static final boolean DEBUG = false;
private static final String TAG = "FragmentPagerAdapter";
private final int mBehavior;
private FragmentTransaction mCurTransaction;
private Fragment mCurrentPrimaryItem;
private boolean mExecutingFinishUpdate;
private final FragmentManager mFragmentManager;
public abstract Fragment getItem(int i);
public long getItemId(int i) {
return i;
}
@Override // androidx.viewpager.widget.PagerAdapter
public void restoreState(Parcelable parcelable, ClassLoader classLoader) {
}
@Override // androidx.viewpager.widget.PagerAdapter
public Parcelable saveState() {
return null;
}
@Deprecated
public FragmentPagerAdapter(FragmentManager fragmentManager) {
this(fragmentManager, 0);
}
public FragmentPagerAdapter(FragmentManager fragmentManager, int i) {
this.mCurTransaction = null;
this.mCurrentPrimaryItem = null;
this.mFragmentManager = fragmentManager;
this.mBehavior = i;
}
@Override // androidx.viewpager.widget.PagerAdapter
public void startUpdate(ViewGroup viewGroup) {
if (viewGroup.getId() == -1) {
throw new IllegalStateException("ViewPager with adapter " + this + " requires a view id");
}
}
@Override // androidx.viewpager.widget.PagerAdapter
public Object instantiateItem(ViewGroup viewGroup, int i) {
if (this.mCurTransaction == null) {
this.mCurTransaction = this.mFragmentManager.beginTransaction();
}
long itemId = getItemId(i);
Fragment findFragmentByTag = this.mFragmentManager.findFragmentByTag(makeFragmentName(viewGroup.getId(), itemId));
if (findFragmentByTag != null) {
this.mCurTransaction.attach(findFragmentByTag);
} else {
findFragmentByTag = getItem(i);
this.mCurTransaction.add(viewGroup.getId(), findFragmentByTag, makeFragmentName(viewGroup.getId(), itemId));
}
if (findFragmentByTag != this.mCurrentPrimaryItem) {
findFragmentByTag.setMenuVisibility(false);
if (this.mBehavior == 1) {
this.mCurTransaction.setMaxLifecycle(findFragmentByTag, Lifecycle.State.STARTED);
} else {
findFragmentByTag.setUserVisibleHint(false);
}
}
return findFragmentByTag;
}
@Override // androidx.viewpager.widget.PagerAdapter
public void destroyItem(ViewGroup viewGroup, int i, Object obj) {
Fragment fragment = (Fragment) obj;
if (this.mCurTransaction == null) {
this.mCurTransaction = this.mFragmentManager.beginTransaction();
}
this.mCurTransaction.detach(fragment);
if (fragment.equals(this.mCurrentPrimaryItem)) {
this.mCurrentPrimaryItem = null;
}
}
@Override // androidx.viewpager.widget.PagerAdapter
public void setPrimaryItem(ViewGroup viewGroup, int i, Object obj) {
Fragment fragment = (Fragment) obj;
Fragment fragment2 = this.mCurrentPrimaryItem;
if (fragment != fragment2) {
if (fragment2 != null) {
fragment2.setMenuVisibility(false);
if (this.mBehavior == 1) {
if (this.mCurTransaction == null) {
this.mCurTransaction = this.mFragmentManager.beginTransaction();
}
this.mCurTransaction.setMaxLifecycle(this.mCurrentPrimaryItem, Lifecycle.State.STARTED);
} else {
this.mCurrentPrimaryItem.setUserVisibleHint(false);
}
}
fragment.setMenuVisibility(true);
if (this.mBehavior == 1) {
if (this.mCurTransaction == null) {
this.mCurTransaction = this.mFragmentManager.beginTransaction();
}
this.mCurTransaction.setMaxLifecycle(fragment, Lifecycle.State.RESUMED);
} else {
fragment.setUserVisibleHint(true);
}
this.mCurrentPrimaryItem = fragment;
}
}
@Override // androidx.viewpager.widget.PagerAdapter
public void finishUpdate(ViewGroup viewGroup) {
FragmentTransaction fragmentTransaction = this.mCurTransaction;
if (fragmentTransaction != null) {
if (!this.mExecutingFinishUpdate) {
try {
this.mExecutingFinishUpdate = true;
fragmentTransaction.commitNowAllowingStateLoss();
} finally {
this.mExecutingFinishUpdate = false;
}
}
this.mCurTransaction = null;
}
}
@Override // androidx.viewpager.widget.PagerAdapter
public boolean isViewFromObject(View view, Object obj) {
return ((Fragment) obj).getView() == view;
}
private static String makeFragmentName(int i, long j) {
return "android:switcher:" + i + ":" + j;
}
}