511 lines
23 KiB
Java
511 lines
23 KiB
Java
package androidx.appcompat.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.RectF;
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import android.os.Build;
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import android.text.Layout;
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import android.text.StaticLayout;
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import android.text.TextDirectionHeuristic;
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import android.text.TextDirectionHeuristics;
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import android.text.TextPaint;
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import android.text.method.TransformationMethod;
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import android.util.AttributeSet;
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import android.util.DisplayMetrics;
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import android.util.Log;
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import android.util.TypedValue;
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import android.widget.TextView;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.RequiresApi;
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import androidx.annotation.RestrictTo;
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import androidx.annotation.VisibleForTesting;
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import androidx.appcompat.R;
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import androidx.core.view.ViewCompat;
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import c.d.b.a.a;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.concurrent.ConcurrentHashMap;
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public class AppCompatTextViewAutoSizeHelper {
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private static final int DEFAULT_AUTO_SIZE_GRANULARITY_IN_PX = 1;
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private static final int DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP = 112;
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private static final int DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP = 12;
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private static final String TAG = "ACTVAutoSizeHelper";
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private static final RectF TEMP_RECTF = new RectF();
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public static final float UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE = -1.0f;
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private static final int VERY_WIDE = 1048576;
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private static ConcurrentHashMap<String, Field> sTextViewFieldByNameCache = new ConcurrentHashMap<>();
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private static ConcurrentHashMap<String, Method> sTextViewMethodByNameCache = new ConcurrentHashMap<>();
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private float mAutoSizeMaxTextSizeInPx = -1.0f;
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private float mAutoSizeMinTextSizeInPx = -1.0f;
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private float mAutoSizeStepGranularityInPx = -1.0f;
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private int[] mAutoSizeTextSizesInPx = new int[0];
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private int mAutoSizeTextType = 0;
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private final Context mContext;
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private boolean mHasPresetAutoSizeValues = false;
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private final Impl mImpl;
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private boolean mNeedsAutoSizeText = false;
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private TextPaint mTempTextPaint;
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@NonNull
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private final TextView mTextView;
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public static class Impl {
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public void computeAndSetTextDirection(StaticLayout.Builder builder, TextView textView) {
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}
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public boolean isHorizontallyScrollable(TextView textView) {
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return ((Boolean) AppCompatTextViewAutoSizeHelper.invokeAndReturnWithDefault(textView, "getHorizontallyScrolling", Boolean.FALSE)).booleanValue();
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}
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}
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@RequiresApi(23)
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public static class Impl23 extends Impl {
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@Override // androidx.appcompat.widget.AppCompatTextViewAutoSizeHelper.Impl
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public void computeAndSetTextDirection(StaticLayout.Builder builder, TextView textView) {
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builder.setTextDirection((TextDirectionHeuristic) AppCompatTextViewAutoSizeHelper.invokeAndReturnWithDefault(textView, "getTextDirectionHeuristic", TextDirectionHeuristics.FIRSTSTRONG_LTR));
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}
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}
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@RequiresApi(29)
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public static class Impl29 extends Impl23 {
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@Override // androidx.appcompat.widget.AppCompatTextViewAutoSizeHelper.Impl23, androidx.appcompat.widget.AppCompatTextViewAutoSizeHelper.Impl
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public void computeAndSetTextDirection(StaticLayout.Builder builder, TextView textView) {
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builder.setTextDirection(textView.getTextDirectionHeuristic());
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}
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@Override // androidx.appcompat.widget.AppCompatTextViewAutoSizeHelper.Impl
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public boolean isHorizontallyScrollable(TextView textView) {
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return textView.isHorizontallyScrollable();
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}
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}
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public AppCompatTextViewAutoSizeHelper(@NonNull TextView textView) {
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this.mTextView = textView;
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this.mContext = textView.getContext();
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int i = Build.VERSION.SDK_INT;
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if (i >= 29) {
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this.mImpl = new Impl29();
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} else if (i >= 23) {
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this.mImpl = new Impl23();
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} else {
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this.mImpl = new Impl();
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}
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}
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private static <T> T accessAndReturnWithDefault(@NonNull Object obj, @NonNull String str, @NonNull T t) {
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try {
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Field textViewField = getTextViewField(str);
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return textViewField == null ? t : (T) textViewField.get(obj);
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} catch (IllegalAccessException e) {
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Log.w("ACTVAutoSizeHelper", "Failed to access TextView#" + str + " member", e);
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return t;
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}
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}
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private int[] cleanupAutoSizePresetSizes(int[] iArr) {
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int length = iArr.length;
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if (length == 0) {
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return iArr;
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}
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Arrays.sort(iArr);
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ArrayList arrayList = new ArrayList();
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for (int i : iArr) {
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if (i > 0 && Collections.binarySearch(arrayList, Integer.valueOf(i)) < 0) {
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arrayList.add(Integer.valueOf(i));
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}
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}
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if (length == arrayList.size()) {
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return iArr;
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}
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int size = arrayList.size();
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int[] iArr2 = new int[size];
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for (int i2 = 0; i2 < size; i2++) {
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iArr2[i2] = ((Integer) arrayList.get(i2)).intValue();
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}
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return iArr2;
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}
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private void clearAutoSizeConfiguration() {
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this.mAutoSizeTextType = 0;
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this.mAutoSizeMinTextSizeInPx = -1.0f;
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this.mAutoSizeMaxTextSizeInPx = -1.0f;
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this.mAutoSizeStepGranularityInPx = -1.0f;
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this.mAutoSizeTextSizesInPx = new int[0];
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this.mNeedsAutoSizeText = false;
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}
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@RequiresApi(23)
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private StaticLayout createStaticLayoutForMeasuring(CharSequence charSequence, Layout.Alignment alignment, int i, int i2) {
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StaticLayout.Builder obtain = StaticLayout.Builder.obtain(charSequence, 0, charSequence.length(), this.mTempTextPaint, i);
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StaticLayout.Builder hyphenationFrequency = obtain.setAlignment(alignment).setLineSpacing(this.mTextView.getLineSpacingExtra(), this.mTextView.getLineSpacingMultiplier()).setIncludePad(this.mTextView.getIncludeFontPadding()).setBreakStrategy(this.mTextView.getBreakStrategy()).setHyphenationFrequency(this.mTextView.getHyphenationFrequency());
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if (i2 == -1) {
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i2 = Integer.MAX_VALUE;
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}
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hyphenationFrequency.setMaxLines(i2);
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try {
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this.mImpl.computeAndSetTextDirection(obtain, this.mTextView);
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} catch (ClassCastException unused) {
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Log.w("ACTVAutoSizeHelper", "Failed to obtain TextDirectionHeuristic, auto size may be incorrect");
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}
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return obtain.build();
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}
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private StaticLayout createStaticLayoutForMeasuringPre16(CharSequence charSequence, Layout.Alignment alignment, int i) {
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return new StaticLayout(charSequence, this.mTempTextPaint, i, alignment, ((Float) accessAndReturnWithDefault(this.mTextView, "mSpacingMult", Float.valueOf(1.0f))).floatValue(), ((Float) accessAndReturnWithDefault(this.mTextView, "mSpacingAdd", Float.valueOf(0.0f))).floatValue(), ((Boolean) accessAndReturnWithDefault(this.mTextView, "mIncludePad", Boolean.TRUE)).booleanValue());
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}
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@RequiresApi(16)
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private StaticLayout createStaticLayoutForMeasuringPre23(CharSequence charSequence, Layout.Alignment alignment, int i) {
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return new StaticLayout(charSequence, this.mTempTextPaint, i, alignment, this.mTextView.getLineSpacingMultiplier(), this.mTextView.getLineSpacingExtra(), this.mTextView.getIncludeFontPadding());
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}
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private int findLargestTextSizeWhichFits(RectF rectF) {
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int length = this.mAutoSizeTextSizesInPx.length;
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if (length != 0) {
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int i = length - 1;
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int i2 = 1;
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int i3 = 0;
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while (i2 <= i) {
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int i4 = (i2 + i) / 2;
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if (suggestedSizeFitsInSpace(this.mAutoSizeTextSizesInPx[i4], rectF)) {
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int i5 = i4 + 1;
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i3 = i2;
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i2 = i5;
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} else {
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i3 = i4 - 1;
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i = i3;
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}
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}
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return this.mAutoSizeTextSizesInPx[i3];
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}
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throw new IllegalStateException("No available text sizes to choose from.");
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}
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@Nullable
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private static Field getTextViewField(@NonNull String str) {
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try {
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Field field = sTextViewFieldByNameCache.get(str);
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if (field == null && (field = TextView.class.getDeclaredField(str)) != null) {
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field.setAccessible(true);
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sTextViewFieldByNameCache.put(str, field);
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}
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return field;
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} catch (NoSuchFieldException e) {
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Log.w("ACTVAutoSizeHelper", "Failed to access TextView#" + str + " member", e);
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return null;
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}
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}
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@Nullable
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private static Method getTextViewMethod(@NonNull String str) {
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try {
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Method method = sTextViewMethodByNameCache.get(str);
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if (method == null && (method = TextView.class.getDeclaredMethod(str, new Class[0])) != null) {
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method.setAccessible(true);
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sTextViewMethodByNameCache.put(str, method);
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}
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return method;
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} catch (Exception e) {
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Log.w("ACTVAutoSizeHelper", "Failed to retrieve TextView#" + str + "() method", e);
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return null;
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}
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}
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public static <T> T invokeAndReturnWithDefault(@NonNull Object obj, @NonNull String str, @NonNull T t) {
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try {
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return (T) getTextViewMethod(str).invoke(obj, new Object[0]);
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} catch (Exception e) {
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Log.w("ACTVAutoSizeHelper", "Failed to invoke TextView#" + str + "() method", e);
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return t;
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}
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}
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private void setRawTextSize(float f) {
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if (f != this.mTextView.getPaint().getTextSize()) {
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this.mTextView.getPaint().setTextSize(f);
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boolean isInLayout = this.mTextView.isInLayout();
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if (this.mTextView.getLayout() != null) {
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this.mNeedsAutoSizeText = false;
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try {
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Method textViewMethod = getTextViewMethod("nullLayouts");
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if (textViewMethod != null) {
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textViewMethod.invoke(this.mTextView, new Object[0]);
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}
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} catch (Exception e) {
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Log.w("ACTVAutoSizeHelper", "Failed to invoke TextView#nullLayouts() method", e);
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}
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if (!isInLayout) {
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this.mTextView.requestLayout();
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} else {
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this.mTextView.forceLayout();
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}
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this.mTextView.invalidate();
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}
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}
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}
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private boolean setupAutoSizeText() {
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if (!supportsAutoSizeText() || this.mAutoSizeTextType != 1) {
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this.mNeedsAutoSizeText = false;
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} else {
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if (!this.mHasPresetAutoSizeValues || this.mAutoSizeTextSizesInPx.length == 0) {
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int floor = ((int) Math.floor((double) ((this.mAutoSizeMaxTextSizeInPx - this.mAutoSizeMinTextSizeInPx) / this.mAutoSizeStepGranularityInPx))) + 1;
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int[] iArr = new int[floor];
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for (int i = 0; i < floor; i++) {
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iArr[i] = Math.round((((float) i) * this.mAutoSizeStepGranularityInPx) + this.mAutoSizeMinTextSizeInPx);
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}
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this.mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(iArr);
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}
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this.mNeedsAutoSizeText = true;
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}
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return this.mNeedsAutoSizeText;
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}
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private void setupAutoSizeUniformPresetSizes(TypedArray typedArray) {
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int length = typedArray.length();
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int[] iArr = new int[length];
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if (length > 0) {
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for (int i = 0; i < length; i++) {
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iArr[i] = typedArray.getDimensionPixelSize(i, -1);
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}
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this.mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(iArr);
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setupAutoSizeUniformPresetSizesConfiguration();
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}
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}
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private boolean setupAutoSizeUniformPresetSizesConfiguration() {
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int[] iArr = this.mAutoSizeTextSizesInPx;
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int length = iArr.length;
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boolean z2 = length > 0;
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this.mHasPresetAutoSizeValues = z2;
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if (z2) {
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this.mAutoSizeTextType = 1;
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this.mAutoSizeMinTextSizeInPx = (float) iArr[0];
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this.mAutoSizeMaxTextSizeInPx = (float) iArr[length - 1];
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this.mAutoSizeStepGranularityInPx = -1.0f;
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}
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return z2;
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}
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private boolean suggestedSizeFitsInSpace(int i, RectF rectF) {
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CharSequence transformation;
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CharSequence text = this.mTextView.getText();
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TransformationMethod transformationMethod = this.mTextView.getTransformationMethod();
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if (!(transformationMethod == null || (transformation = transformationMethod.getTransformation(text, this.mTextView)) == null)) {
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text = transformation;
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}
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int maxLines = this.mTextView.getMaxLines();
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initTempTextPaint(i);
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StaticLayout createLayout = createLayout(text, (Layout.Alignment) invokeAndReturnWithDefault(this.mTextView, "getLayoutAlignment", Layout.Alignment.ALIGN_NORMAL), Math.round(rectF.right), maxLines);
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return (maxLines == -1 || (createLayout.getLineCount() <= maxLines && createLayout.getLineEnd(createLayout.getLineCount() - 1) == text.length())) && ((float) createLayout.getHeight()) <= rectF.bottom;
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}
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private boolean supportsAutoSizeText() {
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return !(this.mTextView instanceof AppCompatEditText);
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}
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private void validateAndSetAutoSizeTextTypeUniformConfiguration(float f, float f2, float f3) throws IllegalArgumentException {
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if (f <= 0.0f) {
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throw new IllegalArgumentException("Minimum auto-size text size (" + f + "px) is less or equal to (0px)");
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} else if (f2 <= f) {
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throw new IllegalArgumentException("Maximum auto-size text size (" + f2 + "px) is less or equal to minimum auto-size text size (" + f + "px)");
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} else if (f3 > 0.0f) {
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this.mAutoSizeTextType = 1;
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this.mAutoSizeMinTextSizeInPx = f;
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this.mAutoSizeMaxTextSizeInPx = f2;
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this.mAutoSizeStepGranularityInPx = f3;
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this.mHasPresetAutoSizeValues = false;
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} else {
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throw new IllegalArgumentException("The auto-size step granularity (" + f3 + "px) is less or equal to (0px)");
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}
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}
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public void autoSizeText() {
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if (isAutoSizeEnabled()) {
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if (this.mNeedsAutoSizeText) {
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if (this.mTextView.getMeasuredHeight() > 0 && this.mTextView.getMeasuredWidth() > 0) {
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int measuredWidth = this.mImpl.isHorizontallyScrollable(this.mTextView) ? 1048576 : (this.mTextView.getMeasuredWidth() - this.mTextView.getTotalPaddingLeft()) - this.mTextView.getTotalPaddingRight();
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int height = (this.mTextView.getHeight() - this.mTextView.getCompoundPaddingBottom()) - this.mTextView.getCompoundPaddingTop();
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if (measuredWidth > 0 && height > 0) {
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RectF rectF = TEMP_RECTF;
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synchronized (rectF) {
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rectF.setEmpty();
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rectF.right = (float) measuredWidth;
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rectF.bottom = (float) height;
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float findLargestTextSizeWhichFits = (float) findLargestTextSizeWhichFits(rectF);
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if (findLargestTextSizeWhichFits != this.mTextView.getTextSize()) {
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setTextSizeInternal(0, findLargestTextSizeWhichFits);
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}
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}
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} else {
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return;
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}
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} else {
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return;
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}
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}
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this.mNeedsAutoSizeText = true;
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}
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}
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@VisibleForTesting
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public StaticLayout createLayout(CharSequence charSequence, Layout.Alignment alignment, int i, int i2) {
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return Build.VERSION.SDK_INT >= 23 ? createStaticLayoutForMeasuring(charSequence, alignment, i, i2) : createStaticLayoutForMeasuringPre23(charSequence, alignment, i);
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}
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public int getAutoSizeMaxTextSize() {
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return Math.round(this.mAutoSizeMaxTextSizeInPx);
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}
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public int getAutoSizeMinTextSize() {
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return Math.round(this.mAutoSizeMinTextSizeInPx);
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}
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public int getAutoSizeStepGranularity() {
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return Math.round(this.mAutoSizeStepGranularityInPx);
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}
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public int[] getAutoSizeTextAvailableSizes() {
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return this.mAutoSizeTextSizesInPx;
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}
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public int getAutoSizeTextType() {
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return this.mAutoSizeTextType;
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}
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@VisibleForTesting
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public void initTempTextPaint(int i) {
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TextPaint textPaint = this.mTempTextPaint;
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if (textPaint == null) {
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this.mTempTextPaint = new TextPaint();
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} else {
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textPaint.reset();
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}
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this.mTempTextPaint.set(this.mTextView.getPaint());
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this.mTempTextPaint.setTextSize((float) i);
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}
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public boolean isAutoSizeEnabled() {
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return supportsAutoSizeText() && this.mAutoSizeTextType != 0;
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}
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public void loadFromAttributes(@Nullable AttributeSet attributeSet, int i) {
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int resourceId;
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Context context = this.mContext;
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int[] iArr = R.styleable.AppCompatTextView;
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TypedArray obtainStyledAttributes = context.obtainStyledAttributes(attributeSet, iArr, i, 0);
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TextView textView = this.mTextView;
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ViewCompat.saveAttributeDataForStyleable(textView, textView.getContext(), iArr, attributeSet, obtainStyledAttributes, i, 0);
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int i2 = R.styleable.AppCompatTextView_autoSizeTextType;
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if (obtainStyledAttributes.hasValue(i2)) {
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this.mAutoSizeTextType = obtainStyledAttributes.getInt(i2, 0);
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}
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int i3 = R.styleable.AppCompatTextView_autoSizeStepGranularity;
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float dimension = obtainStyledAttributes.hasValue(i3) ? obtainStyledAttributes.getDimension(i3, -1.0f) : -1.0f;
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int i4 = R.styleable.AppCompatTextView_autoSizeMinTextSize;
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float dimension2 = obtainStyledAttributes.hasValue(i4) ? obtainStyledAttributes.getDimension(i4, -1.0f) : -1.0f;
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int i5 = R.styleable.AppCompatTextView_autoSizeMaxTextSize;
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float dimension3 = obtainStyledAttributes.hasValue(i5) ? obtainStyledAttributes.getDimension(i5, -1.0f) : -1.0f;
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int i6 = R.styleable.AppCompatTextView_autoSizePresetSizes;
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if (obtainStyledAttributes.hasValue(i6) && (resourceId = obtainStyledAttributes.getResourceId(i6, 0)) > 0) {
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TypedArray obtainTypedArray = obtainStyledAttributes.getResources().obtainTypedArray(resourceId);
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setupAutoSizeUniformPresetSizes(obtainTypedArray);
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obtainTypedArray.recycle();
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}
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obtainStyledAttributes.recycle();
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if (!supportsAutoSizeText()) {
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this.mAutoSizeTextType = 0;
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} else if (this.mAutoSizeTextType == 1) {
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if (!this.mHasPresetAutoSizeValues) {
|
|
DisplayMetrics displayMetrics = this.mContext.getResources().getDisplayMetrics();
|
|
if (dimension2 == -1.0f) {
|
|
dimension2 = TypedValue.applyDimension(2, 12.0f, displayMetrics);
|
|
}
|
|
if (dimension3 == -1.0f) {
|
|
dimension3 = TypedValue.applyDimension(2, 112.0f, displayMetrics);
|
|
}
|
|
if (dimension == -1.0f) {
|
|
dimension = 1.0f;
|
|
}
|
|
validateAndSetAutoSizeTextTypeUniformConfiguration(dimension2, dimension3, dimension);
|
|
}
|
|
setupAutoSizeText();
|
|
}
|
|
}
|
|
|
|
@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
|
|
public void setAutoSizeTextTypeUniformWithConfiguration(int i, int i2, int i3, int i4) throws IllegalArgumentException {
|
|
if (supportsAutoSizeText()) {
|
|
DisplayMetrics displayMetrics = this.mContext.getResources().getDisplayMetrics();
|
|
validateAndSetAutoSizeTextTypeUniformConfiguration(TypedValue.applyDimension(i4, (float) i, displayMetrics), TypedValue.applyDimension(i4, (float) i2, displayMetrics), TypedValue.applyDimension(i4, (float) i3, displayMetrics));
|
|
if (setupAutoSizeText()) {
|
|
autoSizeText();
|
|
}
|
|
}
|
|
}
|
|
|
|
@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
|
|
public void setAutoSizeTextTypeUniformWithPresetSizes(@NonNull int[] iArr, int i) throws IllegalArgumentException {
|
|
if (supportsAutoSizeText()) {
|
|
int length = iArr.length;
|
|
if (length > 0) {
|
|
int[] iArr2 = new int[length];
|
|
if (i == 0) {
|
|
iArr2 = Arrays.copyOf(iArr, length);
|
|
} else {
|
|
DisplayMetrics displayMetrics = this.mContext.getResources().getDisplayMetrics();
|
|
for (int i2 = 0; i2 < length; i2++) {
|
|
iArr2[i2] = Math.round(TypedValue.applyDimension(i, (float) iArr[i2], displayMetrics));
|
|
}
|
|
}
|
|
this.mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(iArr2);
|
|
if (!setupAutoSizeUniformPresetSizesConfiguration()) {
|
|
StringBuilder L = a.L("None of the preset sizes is valid: ");
|
|
L.append(Arrays.toString(iArr));
|
|
throw new IllegalArgumentException(L.toString());
|
|
}
|
|
} else {
|
|
this.mHasPresetAutoSizeValues = false;
|
|
}
|
|
if (setupAutoSizeText()) {
|
|
autoSizeText();
|
|
}
|
|
}
|
|
}
|
|
|
|
@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
|
|
public void setAutoSizeTextTypeWithDefaults(int i) {
|
|
if (!supportsAutoSizeText()) {
|
|
return;
|
|
}
|
|
if (i == 0) {
|
|
clearAutoSizeConfiguration();
|
|
} else if (i == 1) {
|
|
DisplayMetrics displayMetrics = this.mContext.getResources().getDisplayMetrics();
|
|
validateAndSetAutoSizeTextTypeUniformConfiguration(TypedValue.applyDimension(2, 12.0f, displayMetrics), TypedValue.applyDimension(2, 112.0f, displayMetrics), 1.0f);
|
|
if (setupAutoSizeText()) {
|
|
autoSizeText();
|
|
}
|
|
} else {
|
|
throw new IllegalArgumentException(a.k("Unknown auto-size text type: ", i));
|
|
}
|
|
}
|
|
|
|
@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
|
|
public void setTextSizeInternal(int i, float f) {
|
|
Context context = this.mContext;
|
|
setRawTextSize(TypedValue.applyDimension(i, f, (context == null ? Resources.getSystem() : context.getResources()).getDisplayMetrics()));
|
|
}
|
|
}
|