547 lines
20 KiB
Java
547 lines
20 KiB
Java
package androidx.appcompat.widget;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.graphics.drawable.Drawable;
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import android.text.TextUtils;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewParent;
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import android.view.ViewPropertyAnimator;
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import android.view.accessibility.AccessibilityEvent;
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import android.view.accessibility.AccessibilityNodeInfo;
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import android.view.animation.DecelerateInterpolator;
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import android.view.animation.Interpolator;
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import android.widget.AbsListView;
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import android.widget.AdapterView;
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import android.widget.BaseAdapter;
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import android.widget.HorizontalScrollView;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.Spinner;
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import android.widget.SpinnerAdapter;
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import android.widget.TextView;
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import androidx.appcompat.R;
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import androidx.appcompat.app.ActionBar;
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import androidx.appcompat.view.ActionBarPolicy;
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import androidx.appcompat.widget.LinearLayoutCompat;
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import androidx.constraintlayout.core.widgets.analyzer.BasicMeasure;
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/* loaded from: classes.dex */
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public class ScrollingTabContainerView extends HorizontalScrollView implements AdapterView.OnItemSelectedListener {
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private static final int FADE_DURATION = 200;
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private static final String TAG = "ScrollingTabContainerView";
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private static final Interpolator sAlphaInterpolator = new DecelerateInterpolator();
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private boolean mAllowCollapse;
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private int mContentHeight;
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int mMaxTabWidth;
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private int mSelectedTabIndex;
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int mStackedTabMaxWidth;
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private TabClickListener mTabClickListener;
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LinearLayoutCompat mTabLayout;
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Runnable mTabSelector;
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private Spinner mTabSpinner;
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protected final VisibilityAnimListener mVisAnimListener;
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protected ViewPropertyAnimator mVisibilityAnim;
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@Override // android.widget.AdapterView.OnItemSelectedListener
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public void onNothingSelected(AdapterView<?> adapterView) {
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}
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public void setAllowCollapse(boolean z) {
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this.mAllowCollapse = z;
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}
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public ScrollingTabContainerView(Context context) {
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super(context);
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this.mVisAnimListener = new VisibilityAnimListener();
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setHorizontalScrollBarEnabled(false);
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ActionBarPolicy actionBarPolicy = ActionBarPolicy.get(context);
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setContentHeight(actionBarPolicy.getTabContainerHeight());
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this.mStackedTabMaxWidth = actionBarPolicy.getStackedTabMaxWidth();
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LinearLayoutCompat createTabLayout = createTabLayout();
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this.mTabLayout = createTabLayout;
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addView(createTabLayout, new ViewGroup.LayoutParams(-2, -1));
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}
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@Override // android.widget.HorizontalScrollView, android.widget.FrameLayout, android.view.View
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public void onMeasure(int i, int i2) {
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int mode = View.MeasureSpec.getMode(i);
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boolean z = mode == 1073741824;
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setFillViewport(z);
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int childCount = this.mTabLayout.getChildCount();
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if (childCount <= 1 || !(mode == 1073741824 || mode == Integer.MIN_VALUE)) {
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this.mMaxTabWidth = -1;
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} else {
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if (childCount > 2) {
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this.mMaxTabWidth = (int) (View.MeasureSpec.getSize(i) * 0.4f);
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} else {
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this.mMaxTabWidth = View.MeasureSpec.getSize(i) / 2;
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}
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this.mMaxTabWidth = Math.min(this.mMaxTabWidth, this.mStackedTabMaxWidth);
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}
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int makeMeasureSpec = View.MeasureSpec.makeMeasureSpec(this.mContentHeight, BasicMeasure.EXACTLY);
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if (!z && this.mAllowCollapse) {
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this.mTabLayout.measure(0, makeMeasureSpec);
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if (this.mTabLayout.getMeasuredWidth() > View.MeasureSpec.getSize(i)) {
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performCollapse();
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} else {
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performExpand();
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}
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} else {
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performExpand();
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}
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int measuredWidth = getMeasuredWidth();
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super.onMeasure(i, makeMeasureSpec);
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int measuredWidth2 = getMeasuredWidth();
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if (!z || measuredWidth == measuredWidth2) {
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return;
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}
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setTabSelected(this.mSelectedTabIndex);
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}
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private boolean isCollapsed() {
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Spinner spinner = this.mTabSpinner;
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return spinner != null && spinner.getParent() == this;
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}
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private void performCollapse() {
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if (isCollapsed()) {
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return;
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}
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if (this.mTabSpinner == null) {
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this.mTabSpinner = createSpinner();
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}
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removeView(this.mTabLayout);
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addView(this.mTabSpinner, new ViewGroup.LayoutParams(-2, -1));
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if (this.mTabSpinner.getAdapter() == null) {
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this.mTabSpinner.setAdapter((SpinnerAdapter) new TabAdapter());
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}
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Runnable runnable = this.mTabSelector;
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if (runnable != null) {
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removeCallbacks(runnable);
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this.mTabSelector = null;
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}
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this.mTabSpinner.setSelection(this.mSelectedTabIndex);
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}
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private boolean performExpand() {
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if (!isCollapsed()) {
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return false;
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}
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removeView(this.mTabSpinner);
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addView(this.mTabLayout, new ViewGroup.LayoutParams(-2, -1));
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setTabSelected(this.mTabSpinner.getSelectedItemPosition());
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return false;
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}
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public void setTabSelected(int i) {
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this.mSelectedTabIndex = i;
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int childCount = this.mTabLayout.getChildCount();
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int i2 = 0;
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while (i2 < childCount) {
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View childAt = this.mTabLayout.getChildAt(i2);
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boolean z = i2 == i;
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childAt.setSelected(z);
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if (z) {
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animateToTab(i);
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}
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i2++;
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}
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Spinner spinner = this.mTabSpinner;
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if (spinner == null || i < 0) {
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return;
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}
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spinner.setSelection(i);
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}
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public void setContentHeight(int i) {
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this.mContentHeight = i;
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requestLayout();
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}
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private LinearLayoutCompat createTabLayout() {
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LinearLayoutCompat linearLayoutCompat = new LinearLayoutCompat(getContext(), null, R.attr.actionBarTabBarStyle);
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linearLayoutCompat.setMeasureWithLargestChildEnabled(true);
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linearLayoutCompat.setGravity(17);
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linearLayoutCompat.setLayoutParams(new LinearLayoutCompat.LayoutParams(-2, -1));
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return linearLayoutCompat;
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}
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private Spinner createSpinner() {
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AppCompatSpinner appCompatSpinner = new AppCompatSpinner(getContext(), null, R.attr.actionDropDownStyle);
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appCompatSpinner.setLayoutParams(new LinearLayoutCompat.LayoutParams(-2, -1));
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appCompatSpinner.setOnItemSelectedListener(this);
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return appCompatSpinner;
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}
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@Override // android.view.View
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protected void onConfigurationChanged(Configuration configuration) {
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super.onConfigurationChanged(configuration);
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ActionBarPolicy actionBarPolicy = ActionBarPolicy.get(getContext());
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setContentHeight(actionBarPolicy.getTabContainerHeight());
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this.mStackedTabMaxWidth = actionBarPolicy.getStackedTabMaxWidth();
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}
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public void animateToVisibility(int i) {
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ViewPropertyAnimator viewPropertyAnimator = this.mVisibilityAnim;
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if (viewPropertyAnimator != null) {
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viewPropertyAnimator.cancel();
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}
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if (i == 0) {
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if (getVisibility() != 0) {
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setAlpha(0.0f);
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}
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ViewPropertyAnimator alpha = animate().alpha(1.0f);
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alpha.setDuration(200L);
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alpha.setInterpolator(sAlphaInterpolator);
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alpha.setListener(this.mVisAnimListener.withFinalVisibility(alpha, i));
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alpha.start();
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return;
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}
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ViewPropertyAnimator alpha2 = animate().alpha(0.0f);
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alpha2.setDuration(200L);
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alpha2.setInterpolator(sAlphaInterpolator);
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alpha2.setListener(this.mVisAnimListener.withFinalVisibility(alpha2, i));
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alpha2.start();
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}
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public void animateToTab(int i) {
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final View childAt = this.mTabLayout.getChildAt(i);
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Runnable runnable = this.mTabSelector;
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if (runnable != null) {
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removeCallbacks(runnable);
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}
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Runnable runnable2 = new Runnable() { // from class: androidx.appcompat.widget.ScrollingTabContainerView.1
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@Override // java.lang.Runnable
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public void run() {
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ScrollingTabContainerView.this.smoothScrollTo(childAt.getLeft() - ((ScrollingTabContainerView.this.getWidth() - childAt.getWidth()) / 2), 0);
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ScrollingTabContainerView.this.mTabSelector = null;
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}
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};
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this.mTabSelector = runnable2;
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post(runnable2);
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}
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@Override // android.view.ViewGroup, android.view.View
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public void onAttachedToWindow() {
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super.onAttachedToWindow();
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Runnable runnable = this.mTabSelector;
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if (runnable != null) {
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post(runnable);
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}
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}
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@Override // android.view.ViewGroup, android.view.View
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public void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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Runnable runnable = this.mTabSelector;
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if (runnable != null) {
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removeCallbacks(runnable);
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}
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}
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TabView createTabView(ActionBar.Tab tab, boolean z) {
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TabView tabView = new TabView(getContext(), tab, z);
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if (z) {
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tabView.setBackgroundDrawable(null);
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tabView.setLayoutParams(new AbsListView.LayoutParams(-1, this.mContentHeight));
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} else {
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tabView.setFocusable(true);
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if (this.mTabClickListener == null) {
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this.mTabClickListener = new TabClickListener();
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}
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tabView.setOnClickListener(this.mTabClickListener);
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}
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return tabView;
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}
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public void addTab(ActionBar.Tab tab, boolean z) {
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TabView createTabView = createTabView(tab, false);
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this.mTabLayout.addView(createTabView, new LinearLayoutCompat.LayoutParams(0, -1, 1.0f));
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Spinner spinner = this.mTabSpinner;
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if (spinner != null) {
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((TabAdapter) spinner.getAdapter()).notifyDataSetChanged();
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}
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if (z) {
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createTabView.setSelected(true);
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}
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if (this.mAllowCollapse) {
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requestLayout();
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}
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}
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public void addTab(ActionBar.Tab tab, int i, boolean z) {
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TabView createTabView = createTabView(tab, false);
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this.mTabLayout.addView(createTabView, i, new LinearLayoutCompat.LayoutParams(0, -1, 1.0f));
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Spinner spinner = this.mTabSpinner;
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if (spinner != null) {
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((TabAdapter) spinner.getAdapter()).notifyDataSetChanged();
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}
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if (z) {
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createTabView.setSelected(true);
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}
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if (this.mAllowCollapse) {
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requestLayout();
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}
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}
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public void updateTab(int i) {
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((TabView) this.mTabLayout.getChildAt(i)).update();
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Spinner spinner = this.mTabSpinner;
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if (spinner != null) {
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((TabAdapter) spinner.getAdapter()).notifyDataSetChanged();
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}
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if (this.mAllowCollapse) {
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requestLayout();
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}
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}
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public void removeTabAt(int i) {
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this.mTabLayout.removeViewAt(i);
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Spinner spinner = this.mTabSpinner;
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if (spinner != null) {
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((TabAdapter) spinner.getAdapter()).notifyDataSetChanged();
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}
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if (this.mAllowCollapse) {
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requestLayout();
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}
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}
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public void removeAllTabs() {
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this.mTabLayout.removeAllViews();
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Spinner spinner = this.mTabSpinner;
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if (spinner != null) {
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((TabAdapter) spinner.getAdapter()).notifyDataSetChanged();
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}
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if (this.mAllowCollapse) {
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requestLayout();
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}
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}
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@Override // android.widget.AdapterView.OnItemSelectedListener
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public void onItemSelected(AdapterView<?> adapterView, View view, int i, long j) {
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((TabView) view).getTab().select();
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}
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private class TabView extends LinearLayout {
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private static final String ACCESSIBILITY_CLASS_NAME = "androidx.appcompat.app.ActionBar$Tab";
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private final int[] BG_ATTRS;
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private View mCustomView;
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private ImageView mIconView;
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private ActionBar.Tab mTab;
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private TextView mTextView;
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public ActionBar.Tab getTab() {
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return this.mTab;
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}
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public TabView(Context context, ActionBar.Tab tab, boolean z) {
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super(context, null, R.attr.actionBarTabStyle);
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int[] iArr = {android.R.attr.background};
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this.BG_ATTRS = iArr;
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this.mTab = tab;
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TintTypedArray obtainStyledAttributes = TintTypedArray.obtainStyledAttributes(context, null, iArr, R.attr.actionBarTabStyle, 0);
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if (obtainStyledAttributes.hasValue(0)) {
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setBackgroundDrawable(obtainStyledAttributes.getDrawable(0));
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}
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obtainStyledAttributes.recycle();
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if (z) {
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setGravity(8388627);
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}
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update();
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}
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public void bindTab(ActionBar.Tab tab) {
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this.mTab = tab;
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update();
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}
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@Override // android.view.View
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public void setSelected(boolean z) {
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boolean z2 = isSelected() != z;
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super.setSelected(z);
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if (z2 && z) {
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sendAccessibilityEvent(4);
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}
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}
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@Override // android.view.View
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public void onInitializeAccessibilityEvent(AccessibilityEvent accessibilityEvent) {
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super.onInitializeAccessibilityEvent(accessibilityEvent);
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accessibilityEvent.setClassName(ACCESSIBILITY_CLASS_NAME);
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}
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@Override // android.view.View
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public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo accessibilityNodeInfo) {
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super.onInitializeAccessibilityNodeInfo(accessibilityNodeInfo);
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accessibilityNodeInfo.setClassName(ACCESSIBILITY_CLASS_NAME);
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}
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@Override // android.widget.LinearLayout, android.view.View
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public void onMeasure(int i, int i2) {
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super.onMeasure(i, i2);
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if (ScrollingTabContainerView.this.mMaxTabWidth <= 0 || getMeasuredWidth() <= ScrollingTabContainerView.this.mMaxTabWidth) {
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return;
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}
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super.onMeasure(View.MeasureSpec.makeMeasureSpec(ScrollingTabContainerView.this.mMaxTabWidth, BasicMeasure.EXACTLY), i2);
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}
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public void update() {
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ActionBar.Tab tab = this.mTab;
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View customView = tab.getCustomView();
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if (customView != null) {
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ViewParent parent = customView.getParent();
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if (parent != this) {
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if (parent != null) {
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((ViewGroup) parent).removeView(customView);
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}
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addView(customView);
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}
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this.mCustomView = customView;
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TextView textView = this.mTextView;
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if (textView != null) {
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textView.setVisibility(8);
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}
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ImageView imageView = this.mIconView;
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if (imageView != null) {
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imageView.setVisibility(8);
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this.mIconView.setImageDrawable(null);
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return;
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}
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return;
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}
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View view = this.mCustomView;
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if (view != null) {
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removeView(view);
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this.mCustomView = null;
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}
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Drawable icon = tab.getIcon();
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CharSequence text = tab.getText();
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if (icon != null) {
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if (this.mIconView == null) {
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AppCompatImageView appCompatImageView = new AppCompatImageView(getContext());
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LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(-2, -2);
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layoutParams.gravity = 16;
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appCompatImageView.setLayoutParams(layoutParams);
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addView(appCompatImageView, 0);
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this.mIconView = appCompatImageView;
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}
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this.mIconView.setImageDrawable(icon);
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this.mIconView.setVisibility(0);
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} else {
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ImageView imageView2 = this.mIconView;
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if (imageView2 != null) {
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imageView2.setVisibility(8);
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this.mIconView.setImageDrawable(null);
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}
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}
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boolean z = !TextUtils.isEmpty(text);
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if (z) {
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if (this.mTextView == null) {
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AppCompatTextView appCompatTextView = new AppCompatTextView(getContext(), null, R.attr.actionBarTabTextStyle);
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appCompatTextView.setEllipsize(TextUtils.TruncateAt.END);
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LinearLayout.LayoutParams layoutParams2 = new LinearLayout.LayoutParams(-2, -2);
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layoutParams2.gravity = 16;
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appCompatTextView.setLayoutParams(layoutParams2);
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addView(appCompatTextView);
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this.mTextView = appCompatTextView;
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}
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this.mTextView.setText(text);
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this.mTextView.setVisibility(0);
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} else {
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TextView textView2 = this.mTextView;
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if (textView2 != null) {
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textView2.setVisibility(8);
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this.mTextView.setText((CharSequence) null);
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}
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}
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ImageView imageView3 = this.mIconView;
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if (imageView3 != null) {
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imageView3.setContentDescription(tab.getContentDescription());
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}
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TooltipCompat.setTooltipText(this, z ? null : tab.getContentDescription());
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}
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}
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private class TabAdapter extends BaseAdapter {
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@Override // android.widget.Adapter
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public long getItemId(int i) {
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return i;
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}
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TabAdapter() {
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}
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@Override // android.widget.Adapter
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public int getCount() {
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return ScrollingTabContainerView.this.mTabLayout.getChildCount();
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}
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@Override // android.widget.Adapter
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public Object getItem(int i) {
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return ((TabView) ScrollingTabContainerView.this.mTabLayout.getChildAt(i)).getTab();
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}
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@Override // android.widget.Adapter
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public View getView(int i, View view, ViewGroup viewGroup) {
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if (view == null) {
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return ScrollingTabContainerView.this.createTabView((ActionBar.Tab) getItem(i), true);
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}
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((TabView) view).bindTab((ActionBar.Tab) getItem(i));
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return view;
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}
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}
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private class TabClickListener implements View.OnClickListener {
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TabClickListener() {
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}
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@Override // android.view.View.OnClickListener
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public void onClick(View view) {
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((TabView) view).getTab().select();
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int childCount = ScrollingTabContainerView.this.mTabLayout.getChildCount();
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for (int i = 0; i < childCount; i++) {
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|
View childAt = ScrollingTabContainerView.this.mTabLayout.getChildAt(i);
|
|
childAt.setSelected(childAt == view);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected class VisibilityAnimListener extends AnimatorListenerAdapter {
|
|
private boolean mCanceled = false;
|
|
private int mFinalVisibility;
|
|
|
|
@Override // android.animation.AnimatorListenerAdapter, android.animation.Animator.AnimatorListener
|
|
public void onAnimationCancel(Animator animator) {
|
|
this.mCanceled = true;
|
|
}
|
|
|
|
protected VisibilityAnimListener() {
|
|
}
|
|
|
|
public VisibilityAnimListener withFinalVisibility(ViewPropertyAnimator viewPropertyAnimator, int i) {
|
|
this.mFinalVisibility = i;
|
|
ScrollingTabContainerView.this.mVisibilityAnim = viewPropertyAnimator;
|
|
return this;
|
|
}
|
|
|
|
@Override // android.animation.AnimatorListenerAdapter, android.animation.Animator.AnimatorListener
|
|
public void onAnimationStart(Animator animator) {
|
|
ScrollingTabContainerView.this.setVisibility(0);
|
|
this.mCanceled = false;
|
|
}
|
|
|
|
@Override // android.animation.AnimatorListenerAdapter, android.animation.Animator.AnimatorListener
|
|
public void onAnimationEnd(Animator animator) {
|
|
if (this.mCanceled) {
|
|
return;
|
|
}
|
|
ScrollingTabContainerView.this.mVisibilityAnim = null;
|
|
ScrollingTabContainerView.this.setVisibility(this.mFinalVisibility);
|
|
}
|
|
}
|
|
}
|