ADD week 5
This commit is contained in:
@@ -0,0 +1,472 @@
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package androidx.constraintlayout.widget;
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import android.content.Context;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.graphics.Canvas;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.util.SparseArray;
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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 androidx.constraintlayout.core.widgets.ConstraintWidget;
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import androidx.constraintlayout.core.widgets.ConstraintWidgetContainer;
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import androidx.constraintlayout.core.widgets.Helper;
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import androidx.constraintlayout.core.widgets.HelperWidget;
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import androidx.constraintlayout.widget.ConstraintLayout;
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import androidx.constraintlayout.widget.ConstraintSet;
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import androidx.constraintlayout.widget.R;
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import java.util.Arrays;
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import java.util.HashMap;
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/* loaded from: classes.dex */
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public abstract class ConstraintHelper extends View {
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protected int mCount;
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protected Helper mHelperWidget;
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protected int[] mIds;
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protected HashMap<Integer, String> mMap;
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protected String mReferenceIds;
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protected String mReferenceTags;
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protected boolean mUseViewMeasure;
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private View[] mViews;
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protected Context myContext;
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protected void applyLayoutFeaturesInConstraintSet(ConstraintLayout container) {
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}
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@Override // android.view.View
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public void onDraw(Canvas canvas) {
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}
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public void resolveRtl(ConstraintWidget widget, boolean isRtl) {
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}
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public void updatePostConstraints(ConstraintLayout container) {
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}
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public void updatePostLayout(ConstraintLayout container) {
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}
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public void updatePostMeasure(ConstraintLayout container) {
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}
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public void updatePreDraw(ConstraintLayout container) {
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}
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public ConstraintHelper(Context context) {
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super(context);
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this.mIds = new int[32];
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this.mUseViewMeasure = false;
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this.mViews = null;
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this.mMap = new HashMap<>();
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this.myContext = context;
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init(null);
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}
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public ConstraintHelper(Context context, AttributeSet attrs) {
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super(context, attrs);
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this.mIds = new int[32];
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this.mUseViewMeasure = false;
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this.mViews = null;
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this.mMap = new HashMap<>();
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this.myContext = context;
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init(attrs);
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}
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public ConstraintHelper(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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this.mIds = new int[32];
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this.mUseViewMeasure = false;
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this.mViews = null;
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this.mMap = new HashMap<>();
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this.myContext = context;
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init(attrs);
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}
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protected void init(AttributeSet attrs) {
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if (attrs != null) {
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TypedArray obtainStyledAttributes = getContext().obtainStyledAttributes(attrs, R.styleable.ConstraintLayout_Layout);
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int indexCount = obtainStyledAttributes.getIndexCount();
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for (int i = 0; i < indexCount; i++) {
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int index = obtainStyledAttributes.getIndex(i);
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if (index == R.styleable.ConstraintLayout_Layout_constraint_referenced_ids) {
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String string = obtainStyledAttributes.getString(index);
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this.mReferenceIds = string;
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setIds(string);
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} else if (index == R.styleable.ConstraintLayout_Layout_constraint_referenced_tags) {
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String string2 = obtainStyledAttributes.getString(index);
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this.mReferenceTags = string2;
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setReferenceTags(string2);
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}
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}
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obtainStyledAttributes.recycle();
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}
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}
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@Override // android.view.View
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protected void onAttachedToWindow() {
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super.onAttachedToWindow();
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String str = this.mReferenceIds;
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if (str != null) {
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setIds(str);
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}
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String str2 = this.mReferenceTags;
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if (str2 != null) {
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setReferenceTags(str2);
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}
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}
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public void addView(View view) {
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if (view == this) {
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return;
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}
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if (view.getId() == -1) {
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Log.e("ConstraintHelper", "Views added to a ConstraintHelper need to have an id");
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} else {
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if (view.getParent() == null) {
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Log.e("ConstraintHelper", "Views added to a ConstraintHelper need to have a parent");
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return;
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}
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this.mReferenceIds = null;
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addRscID(view.getId());
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requestLayout();
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}
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}
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public int removeView(View view) {
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int i;
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int id = view.getId();
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int i2 = -1;
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if (id == -1) {
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return -1;
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}
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this.mReferenceIds = null;
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int i3 = 0;
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while (true) {
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if (i3 >= this.mCount) {
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break;
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}
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if (this.mIds[i3] == id) {
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int i4 = i3;
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while (true) {
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i = this.mCount;
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if (i4 >= i - 1) {
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break;
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}
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int[] iArr = this.mIds;
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int i5 = i4 + 1;
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iArr[i4] = iArr[i5];
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i4 = i5;
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}
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this.mIds[i - 1] = 0;
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this.mCount = i - 1;
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i2 = i3;
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} else {
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i3++;
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}
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}
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requestLayout();
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return i2;
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}
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public int[] getReferencedIds() {
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return Arrays.copyOf(this.mIds, this.mCount);
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}
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public void setReferencedIds(int[] ids) {
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this.mReferenceIds = null;
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this.mCount = 0;
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for (int i : ids) {
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addRscID(i);
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}
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}
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private void addRscID(int id) {
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if (id == getId()) {
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return;
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}
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int i = this.mCount + 1;
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int[] iArr = this.mIds;
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if (i > iArr.length) {
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this.mIds = Arrays.copyOf(iArr, iArr.length * 2);
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}
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int[] iArr2 = this.mIds;
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int i2 = this.mCount;
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iArr2[i2] = id;
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this.mCount = i2 + 1;
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}
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@Override // android.view.View
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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if (this.mUseViewMeasure) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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} else {
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setMeasuredDimension(0, 0);
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}
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}
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public void validateParams() {
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if (this.mHelperWidget == null) {
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return;
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}
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ViewGroup.LayoutParams layoutParams = getLayoutParams();
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if (layoutParams instanceof ConstraintLayout.LayoutParams) {
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((ConstraintLayout.LayoutParams) layoutParams).widget = (ConstraintWidget) this.mHelperWidget;
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}
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}
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private void addID(String idString) {
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if (idString == null || idString.length() == 0 || this.myContext == null) {
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return;
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}
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String trim = idString.trim();
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if (getParent() instanceof ConstraintLayout) {
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}
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int findId = findId(trim);
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if (findId != 0) {
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this.mMap.put(Integer.valueOf(findId), trim);
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addRscID(findId);
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} else {
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Log.w("ConstraintHelper", "Could not find id of \"" + trim + "\"");
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}
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}
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private void addTag(String tagString) {
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if (tagString == null || tagString.length() == 0 || this.myContext == null) {
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return;
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}
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String trim = tagString.trim();
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ConstraintLayout constraintLayout = getParent() instanceof ConstraintLayout ? (ConstraintLayout) getParent() : null;
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if (constraintLayout == null) {
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Log.w("ConstraintHelper", "Parent not a ConstraintLayout");
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return;
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}
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int childCount = constraintLayout.getChildCount();
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for (int i = 0; i < childCount; i++) {
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View childAt = constraintLayout.getChildAt(i);
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ViewGroup.LayoutParams layoutParams = childAt.getLayoutParams();
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if ((layoutParams instanceof ConstraintLayout.LayoutParams) && trim.equals(((ConstraintLayout.LayoutParams) layoutParams).constraintTag)) {
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if (childAt.getId() == -1) {
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Log.w("ConstraintHelper", "to use ConstraintTag view " + childAt.getClass().getSimpleName() + " must have an ID");
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} else {
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addRscID(childAt.getId());
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}
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}
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}
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}
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private int findId(String referenceId) {
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ConstraintLayout constraintLayout = getParent() instanceof ConstraintLayout ? (ConstraintLayout) getParent() : null;
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int i = 0;
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if (isInEditMode() && constraintLayout != null) {
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Object designInformation = constraintLayout.getDesignInformation(0, referenceId);
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if (designInformation instanceof Integer) {
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i = ((Integer) designInformation).intValue();
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}
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}
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if (i == 0 && constraintLayout != null) {
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i = findId(constraintLayout, referenceId);
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}
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if (i == 0) {
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try {
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i = R.id.class.getField(referenceId).getInt(null);
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} catch (Exception unused) {
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}
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}
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return i == 0 ? this.myContext.getResources().getIdentifier(referenceId, "id", this.myContext.getPackageName()) : i;
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}
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private int findId(ConstraintLayout container, String idString) {
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Resources resources;
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String str;
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if (idString == null || container == null || (resources = this.myContext.getResources()) == null) {
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return 0;
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}
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int childCount = container.getChildCount();
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for (int i = 0; i < childCount; i++) {
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View childAt = container.getChildAt(i);
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if (childAt.getId() != -1) {
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try {
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str = resources.getResourceEntryName(childAt.getId());
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} catch (Resources.NotFoundException unused) {
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str = null;
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}
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if (idString.equals(str)) {
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return childAt.getId();
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}
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}
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}
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return 0;
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}
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protected void setIds(String idList) {
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this.mReferenceIds = idList;
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if (idList == null) {
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return;
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}
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int i = 0;
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this.mCount = 0;
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while (true) {
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int indexOf = idList.indexOf(44, i);
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if (indexOf == -1) {
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addID(idList.substring(i));
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return;
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} else {
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addID(idList.substring(i, indexOf));
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i = indexOf + 1;
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}
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}
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}
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protected void setReferenceTags(String tagList) {
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this.mReferenceTags = tagList;
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if (tagList == null) {
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return;
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}
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int i = 0;
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this.mCount = 0;
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while (true) {
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int indexOf = tagList.indexOf(44, i);
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if (indexOf == -1) {
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addTag(tagList.substring(i));
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return;
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} else {
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addTag(tagList.substring(i, indexOf));
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i = indexOf + 1;
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}
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}
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}
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protected void applyLayoutFeatures(ConstraintLayout container) {
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int visibility = getVisibility();
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float elevation = getElevation();
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for (int i = 0; i < this.mCount; i++) {
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View viewById = container.getViewById(this.mIds[i]);
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if (viewById != null) {
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viewById.setVisibility(visibility);
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if (elevation > 0.0f) {
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viewById.setTranslationZ(viewById.getTranslationZ() + elevation);
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}
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}
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}
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}
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protected void applyLayoutFeatures() {
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ViewParent parent = getParent();
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if (parent == null || !(parent instanceof ConstraintLayout)) {
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return;
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}
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applyLayoutFeatures((ConstraintLayout) parent);
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}
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public void updatePreLayout(ConstraintLayout container) {
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String str;
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int findId;
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if (isInEditMode()) {
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setIds(this.mReferenceIds);
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}
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Helper helper = this.mHelperWidget;
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if (helper == null) {
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return;
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}
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helper.removeAllIds();
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for (int i = 0; i < this.mCount; i++) {
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int i2 = this.mIds[i];
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View viewById = container.getViewById(i2);
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if (viewById == null && (findId = findId(container, (str = this.mMap.get(Integer.valueOf(i2))))) != 0) {
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this.mIds[i] = findId;
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this.mMap.put(Integer.valueOf(findId), str);
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viewById = container.getViewById(findId);
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}
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if (viewById != null) {
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this.mHelperWidget.add(container.getViewWidget(viewById));
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}
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}
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this.mHelperWidget.updateConstraints(container.mLayoutWidget);
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}
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public void updatePreLayout(ConstraintWidgetContainer container, Helper helper, SparseArray<ConstraintWidget> map) {
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helper.removeAllIds();
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for (int i = 0; i < this.mCount; i++) {
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helper.add(map.get(this.mIds[i]));
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}
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}
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protected View[] getViews(ConstraintLayout layout) {
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View[] viewArr = this.mViews;
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if (viewArr == null || viewArr.length != this.mCount) {
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this.mViews = new View[this.mCount];
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}
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for (int i = 0; i < this.mCount; i++) {
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this.mViews[i] = layout.getViewById(this.mIds[i]);
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}
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return this.mViews;
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}
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public void loadParameters(ConstraintSet.Constraint constraint, HelperWidget child, ConstraintLayout.LayoutParams layoutParams, SparseArray<ConstraintWidget> mapIdToWidget) {
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if (constraint.layout.mReferenceIds != null) {
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setReferencedIds(constraint.layout.mReferenceIds);
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} else if (constraint.layout.mReferenceIdString != null) {
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if (constraint.layout.mReferenceIdString.length() > 0) {
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constraint.layout.mReferenceIds = convertReferenceString(this, constraint.layout.mReferenceIdString);
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} else {
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constraint.layout.mReferenceIds = null;
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}
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}
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if (child != null) {
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child.removeAllIds();
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if (constraint.layout.mReferenceIds != null) {
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for (int i = 0; i < constraint.layout.mReferenceIds.length; i++) {
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ConstraintWidget constraintWidget = mapIdToWidget.get(constraint.layout.mReferenceIds[i]);
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if (constraintWidget != null) {
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child.add(constraintWidget);
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}
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}
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}
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}
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}
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private int[] convertReferenceString(View view, String referenceIdString) {
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String[] split = referenceIdString.split(",");
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view.getContext();
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int[] iArr = new int[split.length];
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int i = 0;
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for (String str : split) {
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int findId = findId(str.trim());
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if (findId != 0) {
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iArr[i] = findId;
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i++;
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}
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}
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return i != split.length ? Arrays.copyOf(iArr, i) : iArr;
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}
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@Override // android.view.View
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public void setTag(int key, Object tag) {
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super.setTag(key, tag);
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if (tag == null && this.mReferenceIds == null) {
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addRscID(key);
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}
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}
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public boolean containsId(final int id) {
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for (int i : this.mIds) {
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if (i == id) {
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return true;
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}
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}
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return false;
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}
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public int indexFromId(final int id) {
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int i = -1;
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for (int i2 : this.mIds) {
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i++;
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if (i2 == id) {
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return i;
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}
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}
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return i;
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}
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}
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