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Implementation of RobotoTextAppearanceSpan.
Close #43
1 parent 69c86b0 commit 1b33c32

18 files changed

Lines changed: 239 additions & 69 deletions

‎robototextview/src/main/java/com/devspark/robototextview/style/RobotoTextAppearanceSpan.java‎

Lines changed: 157 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,157 @@
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package com.devspark.robototextview.style;
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import android.content.Context;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.content.res.ColorStateList;
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import android.content.res.TypedArray;
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import android.graphics.Typeface;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.text.TextPaint;
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import android.text.style.MetricAffectingSpan;
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import android.util.Log;
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import android.util.SparseIntArray;
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import com.devspark.robototextview.R;
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import com.devspark.robototextview.util.RobotoTypefaceManager;
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import com.devspark.robototextview.util.RobotoTypefaceUtils;
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/**
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* Sets the text color, size and typeface to match a TextAppearance resource.
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*/
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public class RobotoTextAppearanceSpan extends MetricAffectingSpan {
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private static final int[] TEXT_ATTRS = new int[]{
25+
android.R.attr.textSize, android.R.attr.textColor, android.R.attr.textColorLink};
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private final Typeface mTypeface;
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private final int mTextSize;
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private final ColorStateList mTextColor;
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private final ColorStateList mTextColorLink;
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/**
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* Uses the specified TextAppearance resource to determine the
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* text appearance. The <code>appearance</code> should be, for example,
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* <code>android.R.style.TextAppearance_Small</code>.
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*/
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public RobotoTextAppearanceSpan(Context context, int appearance) {
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this(context, appearance, -1);
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}
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/**
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* Uses the specified TextAppearance resource to determine the
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* text appearance, and the specified text color resource
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* to determine the color. The <code>appearance</code> should be,
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* for example, <code>android.R.style.TextAppearance_Small</code>,
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* and the <code>colorList</code> should be, for example,
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* <code>android.R.styleable.Theme_textColorPrimary</code>.
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*/
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public RobotoTextAppearanceSpan(Context context, int appearance, int colorList) {
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TypedArray a = context.obtainStyledAttributes(appearance, R.styleable.RobotoTextView);
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mTypeface = RobotoTypefaceUtils.typefaceFromAttrs(context, a);
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a.recycle();
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ColorStateList textColor;
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a = context.obtainStyledAttributes(appearance, TEXT_ATTRS);
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SparseIntArray attrsIndexes = textAttrsIndexes();
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textColor = a.getColorStateList(attrsIndexes.get(android.R.attr.textColor));
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mTextColorLink = a.getColorStateList(attrsIndexes.get(android.R.attr.textColorLink));
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mTextSize = a.getDimensionPixelSize(attrsIndexes.get(android.R.attr.textSize), -1);
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a.recycle();
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if (colorList >= 0) {
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a = context.obtainStyledAttributes(themeResId(context), TEXT_ATTRS);
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textColor = a.getColorStateList(colorList);
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a.recycle();
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}
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mTextColor = textColor;
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}
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/**
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* Makes text be drawn with the specified typeface, size and colors.
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*/
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public RobotoTextAppearanceSpan(Context context, int typefaceId, int size,
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ColorStateList color, ColorStateList linkColor) {
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mTypeface = RobotoTypefaceManager.obtainTypeface(context, typefaceId);
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mTextSize = size;
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mTextColor = color;
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mTextColorLink = linkColor;
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}
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private int themeResId(Context context) {
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try {
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String packageName = context.getPackageName();
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PackageInfo packageInfo = context.getPackageManager()
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.getPackageInfo(packageName, PackageManager.GET_META_DATA);
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return packageInfo.applicationInfo.theme;
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} catch (PackageManager.NameNotFoundException e) {
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Log.w(getClass().getSimpleName(), e);
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}
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return -1;
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}
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private SparseIntArray textAttrsIndexes() {
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SparseIntArray indexes = new SparseIntArray(TEXT_ATTRS.length);
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for (int i = 0; i < TEXT_ATTRS.length; i++) {
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indexes.put(TEXT_ATTRS[i], i);
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}
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return indexes;
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}
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/**
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* Returns the typeface specified by this span.
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*/
108+
@NonNull
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public Typeface getTypeface() {
110+
return mTypeface;
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}
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/**
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* Returns the text size specified by this span, or <code>-1</code>
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* if it does not specify one.
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*/
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public int getTextSize() {
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return mTextSize;
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}
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/**
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* Returns the text color specified by this span, or <code>null</code>
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* if it does not specify one.
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*/
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@Nullable
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public ColorStateList getTextColor() {
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return mTextColor;
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}
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/**
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* Returns the link color specified by this span, or <code>null</code>
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* if it does not specify one.
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*/
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@Nullable
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public ColorStateList getLinkTextColor() {
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return mTextColorLink;
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}
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@Override
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public void updateDrawState(TextPaint tp) {
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updateMeasureState(tp);
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if (mTextColor != null) {
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tp.setColor(mTextColor.getColorForState(tp.drawableState, 0));
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}
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if (mTextColorLink != null) {
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tp.linkColor = mTextColorLink.getColorForState(tp.drawableState, 0);
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}
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}
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@Override
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public void updateMeasureState(TextPaint tp) {
152+
RobotoTypefaceUtils.setup(tp, mTypeface);
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if (mTextSize > 0) {
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tp.setTextSize(mTextSize);
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}
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}
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}

‎robototextview/src/main/java/com/devspark/robototextview/style/RobotoTypefaceSpan.java‎

Lines changed: 14 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -2,10 +2,11 @@
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33
import android.content.Context;
44
import android.graphics.Typeface;
5+
import android.support.annotation.NonNull;
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import android.text.TextPaint;
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import android.text.style.MetricAffectingSpan;
78

8-
import com.devspark.robototextview.util.RobotoTextViewUtils;
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import com.devspark.robototextview.util.RobotoTypefaceUtils;
910
import com.devspark.robototextview.util.RobotoTypefaceManager;
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/**
@@ -52,14 +53,21 @@ public RobotoTypefaceSpan(Context context, int fontFamily, int textWeight, int t
5253
mTypeface = RobotoTypefaceManager.obtainTypeface(context, fontFamily, textWeight, textStyle);
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}
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55-
@Override
56-
public void updateDrawState(TextPaint ds) {
57-
RobotoTextViewUtils.setTypeface(ds, mTypeface);
56+
/**
57+
* Returns the typeface specified by this span.
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*/
59+
@NonNull
60+
public Typeface getTypeface() {
61+
return mTypeface;
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}
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6064
@Override
61-
public void updateMeasureState(TextPaint paint) {
62-
RobotoTextViewUtils.setTypeface(paint, mTypeface);
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public void updateDrawState(TextPaint tp) {
66+
updateMeasureState(tp);
6367
}
6468

69+
@Override
70+
public void updateMeasureState(TextPaint tp) {
71+
RobotoTypefaceUtils.setup(tp, mTypeface);
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}
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}

robototextview/src/main/java/com/devspark/robototextview/util/RobotoTextViewUtils.java renamed to robototextview/src/main/java/com/devspark/robototextview/util/RobotoTypefaceUtils.java

Lines changed: 24 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -20,6 +20,8 @@
2020
import android.content.res.TypedArray;
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import android.graphics.Paint;
2222
import android.graphics.Typeface;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.util.AttributeSet;
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import android.widget.TextView;
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@@ -30,9 +32,9 @@
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*
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* @author Evgeny Shishkin
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*/
33-
public class RobotoTextViewUtils {
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public final class RobotoTypefaceUtils {
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35-
private RobotoTextViewUtils() {
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private RobotoTypefaceUtils() {
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}
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3840
/**
@@ -43,29 +45,33 @@ private RobotoTextViewUtils() {
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* access the current theme, resources, etc.
4446
* @param attrs The attributes of the XML tag that is inflating the widget.
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*/
46-
public static void initTypeface(TextView textView, Context context, AttributeSet attrs) {
48+
public static void initView(@NonNull TextView textView, @NonNull Context context, @Nullable AttributeSet attrs) {
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Typeface typeface;
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4951
if (attrs != null) {
5052
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RobotoTextView);
51-
52-
if (a.hasValue(R.styleable.RobotoTextView_typeface)) {
53-
int typefaceValue = a.getInt(R.styleable.RobotoTextView_typeface, RobotoTypefaceManager.Typeface.ROBOTO_REGULAR);
54-
typeface = RobotoTypefaceManager.obtainTypeface(context, typefaceValue);
55-
} else {
56-
int fontFamily = a.getInt(R.styleable.RobotoTextView_fontFamily, RobotoTypefaceManager.FontFamily.ROBOTO);
57-
int textWeight = a.getInt(R.styleable.RobotoTextView_textWeight, RobotoTypefaceManager.TextWeight.NORMAL);
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int textStyle = a.getInt(R.styleable.RobotoTextView_textStyle, RobotoTypefaceManager.TextStyle.NORMAL);
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60-
typeface = RobotoTypefaceManager.obtainTypeface(context, fontFamily, textWeight, textStyle);
61-
}
62-
53+
typeface = typefaceFromAttrs(context, a);
6354
a.recycle();
6455
} else {
6556
typeface = RobotoTypefaceManager.obtainTypeface(context, RobotoTypefaceManager.Typeface.ROBOTO_REGULAR);
6657
}
6758

68-
setTypeface(textView, typeface);
59+
setup(textView, typeface);
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}
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62+
@NonNull
63+
public static Typeface typefaceFromAttrs(@NonNull Context context, @NonNull TypedArray a) {
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Typeface typeface;
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if (a.hasValue(R.styleable.RobotoTextView_typeface)) {
66+
int typefaceValue = a.getInt(R.styleable.RobotoTextView_typeface, RobotoTypefaceManager.Typeface.ROBOTO_REGULAR);
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typeface = RobotoTypefaceManager.obtainTypeface(context, typefaceValue);
68+
} else {
69+
int fontFamily = a.getInt(R.styleable.RobotoTextView_fontFamily, RobotoTypefaceManager.FontFamily.ROBOTO);
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int textWeight = a.getInt(R.styleable.RobotoTextView_textWeight, RobotoTypefaceManager.TextWeight.NORMAL);
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int textStyle = a.getInt(R.styleable.RobotoTextView_textStyle, RobotoTypefaceManager.TextStyle.NORMAL);
72+
typeface = RobotoTypefaceManager.obtainTypeface(context, fontFamily, textWeight, textStyle);
73+
}
74+
return typeface;
6975
}
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7177
/**
@@ -75,7 +81,7 @@ public static void initTypeface(TextView textView, Context context, AttributeSet
7581
* @param textView The text view
7682
* @param typeface The specify typeface
7783
*/
78-
public static void setTypeface(TextView textView, Typeface typeface) {
84+
public static void setup(@NonNull TextView textView, @NonNull Typeface typeface) {
7985
textView.setPaintFlags(textView.getPaintFlags() | Paint.SUBPIXEL_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG);
8086
textView.setTypeface(typeface);
8187
}
@@ -86,9 +92,8 @@ public static void setTypeface(TextView textView, Typeface typeface) {
8692
* @param paint The paint
8793
* @param typeface The specify typeface
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*/
89-
public static void setTypeface(Paint paint, Typeface typeface) {
95+
public static void setup(@NonNull Paint paint, @NonNull Typeface typeface) {
9096
paint.setFlags(paint.getFlags() | Paint.SUBPIXEL_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG);
9197
paint.setTypeface(typeface);
9298
}
93-
9499
}

‎robototextview/src/main/java/com/devspark/robototextview/widget/RobotoAutoCompleteTextView.java‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@
2121
import android.util.AttributeSet;
2222
import android.widget.AutoCompleteTextView;
2323

24-
import com.devspark.robototextview.util.RobotoTextViewUtils;
24+
import com.devspark.robototextview.util.RobotoTypefaceUtils;
2525

2626
/**
2727
* Implementation of a {@link AutoCompleteTextView} with native support for all the Roboto fonts.
@@ -60,7 +60,7 @@ public RobotoAutoCompleteTextView(Context context, AttributeSet attrs) {
6060
super(context, attrs);
6161

6262
if (!isInEditMode()) {
63-
RobotoTextViewUtils.initTypeface(this, context, attrs);
63+
RobotoTypefaceUtils.initView(this, context, attrs);
6464
}
6565
}
6666

@@ -82,7 +82,7 @@ public RobotoAutoCompleteTextView(Context context, AttributeSet attrs, int defSt
8282
super(context, attrs, defStyle);
8383

8484
if (!isInEditMode()) {
85-
RobotoTextViewUtils.initTypeface(this, context, attrs);
85+
RobotoTypefaceUtils.initView(this, context, attrs);
8686
}
8787
}
8888

‎robototextview/src/main/java/com/devspark/robototextview/widget/RobotoButton.java‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@
2121
import android.util.AttributeSet;
2222
import android.widget.Button;
2323

24-
import com.devspark.robototextview.util.RobotoTextViewUtils;
24+
import com.devspark.robototextview.util.RobotoTypefaceUtils;
2525

2626
/**
2727
* Implementation of a {@link Button} with native support for all the Roboto fonts.
@@ -60,7 +60,7 @@ public RobotoButton(Context context, AttributeSet attrs) {
6060
super(context, attrs);
6161

6262
if (!isInEditMode()) {
63-
RobotoTextViewUtils.initTypeface(this, context, attrs);
63+
RobotoTypefaceUtils.initView(this, context, attrs);
6464
}
6565
}
6666

@@ -82,7 +82,7 @@ public RobotoButton(Context context, AttributeSet attrs, int defStyle) {
8282
super(context, attrs, defStyle);
8383

8484
if (!isInEditMode()) {
85-
RobotoTextViewUtils.initTypeface(this, context, attrs);
85+
RobotoTypefaceUtils.initView(this, context, attrs);
8686
}
8787
}
8888

‎robototextview/src/main/java/com/devspark/robototextview/widget/RobotoCheckBox.java‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@
2121
import android.util.AttributeSet;
2222
import android.widget.CheckBox;
2323

24-
import com.devspark.robototextview.util.RobotoTextViewUtils;
24+
import com.devspark.robototextview.util.RobotoTypefaceUtils;
2525

2626
/**
2727
* Implementation of a {@link CheckBox} with native support for all the Roboto fonts.
@@ -60,7 +60,7 @@ public RobotoCheckBox(Context context, AttributeSet attrs) {
6060
super(context, attrs);
6161

6262
if (!isInEditMode()) {
63-
RobotoTextViewUtils.initTypeface(this, context, attrs);
63+
RobotoTypefaceUtils.initView(this, context, attrs);
6464
}
6565
}
6666

@@ -82,7 +82,7 @@ public RobotoCheckBox(Context context, AttributeSet attrs, int defStyle) {
8282
super(context, attrs, defStyle);
8383

8484
if (!isInEditMode()) {
85-
RobotoTextViewUtils.initTypeface(this, context, attrs);
85+
RobotoTypefaceUtils.initView(this, context, attrs);
8686
}
8787
}
8888

‎robototextview/src/main/java/com/devspark/robototextview/widget/RobotoCheckedTextView.java‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@
2121
import android.util.AttributeSet;
2222
import android.widget.CheckedTextView;
2323

24-
import com.devspark.robototextview.util.RobotoTextViewUtils;
24+
import com.devspark.robototextview.util.RobotoTypefaceUtils;
2525

2626
/**
2727
* Implementation of a {@link CheckedTextView} with native support for all the Roboto fonts.
@@ -60,7 +60,7 @@ public RobotoCheckedTextView(Context context, AttributeSet attrs) {
6060
super(context, attrs);
6161

6262
if (!isInEditMode()) {
63-
RobotoTextViewUtils.initTypeface(this, context, attrs);
63+
RobotoTypefaceUtils.initView(this, context, attrs);
6464
}
6565
}
6666

@@ -82,7 +82,7 @@ public RobotoCheckedTextView(Context context, AttributeSet attrs, int defStyle)
8282
super(context, attrs, defStyle);
8383

8484
if (!isInEditMode()) {
85-
RobotoTextViewUtils.initTypeface(this, context, attrs);
85+
RobotoTypefaceUtils.initView(this, context, attrs);
8686
}
8787
}
8888

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