| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.support.v7.widget; |
| |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.graphics.drawable.Drawable; |
| import android.os.Build; |
| import android.support.v7.appcompat.R; |
| import android.support.v7.text.AllCapsTransformationMethod; |
| import android.text.method.PasswordTransformationMethod; |
| import android.util.AttributeSet; |
| import android.widget.TextView; |
| |
| class AppCompatTextHelper { |
| |
| static AppCompatTextHelper create(TextView textView) { |
| if (Build.VERSION.SDK_INT >= 17) { |
| return new AppCompatTextHelperV17(textView); |
| } |
| return new AppCompatTextHelper(textView); |
| } |
| |
| final TextView mView; |
| |
| private TintInfo mDrawableLeftTint; |
| private TintInfo mDrawableTopTint; |
| private TintInfo mDrawableRightTint; |
| private TintInfo mDrawableBottomTint; |
| |
| AppCompatTextHelper(TextView view) { |
| mView = view; |
| } |
| |
| void loadFromAttributes(AttributeSet attrs, int defStyleAttr) { |
| final Context context = mView.getContext(); |
| final AppCompatDrawableManager drawableManager = AppCompatDrawableManager.get(); |
| |
| // First read the TextAppearance style id |
| TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, attrs, |
| R.styleable.AppCompatTextHelper, defStyleAttr, 0); |
| final int ap = a.getResourceId(R.styleable.AppCompatTextHelper_android_textAppearance, -1); |
| // Now read the compound drawable and grab any tints |
| if (a.hasValue(R.styleable.AppCompatTextHelper_android_drawableLeft)) { |
| mDrawableLeftTint = createTintInfo(context, drawableManager, |
| a.getResourceId(R.styleable.AppCompatTextHelper_android_drawableLeft, 0)); |
| } |
| if (a.hasValue(R.styleable.AppCompatTextHelper_android_drawableTop)) { |
| mDrawableTopTint = createTintInfo(context, drawableManager, |
| a.getResourceId(R.styleable.AppCompatTextHelper_android_drawableTop, 0)); |
| } |
| if (a.hasValue(R.styleable.AppCompatTextHelper_android_drawableRight)) { |
| mDrawableRightTint = createTintInfo(context, drawableManager, |
| a.getResourceId(R.styleable.AppCompatTextHelper_android_drawableRight, 0)); |
| } |
| if (a.hasValue(R.styleable.AppCompatTextHelper_android_drawableBottom)) { |
| mDrawableBottomTint = createTintInfo(context, drawableManager, |
| a.getResourceId(R.styleable.AppCompatTextHelper_android_drawableBottom, 0)); |
| } |
| a.recycle(); |
| |
| // PasswordTransformationMethod wipes out all other TransformationMethod instances |
| // in TextView's constructor, so we should only set a new transformation method |
| // if we don't have a PasswordTransformationMethod currently... |
| final boolean hasPwdTm = |
| mView.getTransformationMethod() instanceof PasswordTransformationMethod; |
| boolean allCaps = false; |
| boolean allCapsSet = false; |
| ColorStateList textColor = null; |
| |
| // First check TextAppearance's textAllCaps value |
| if (ap != -1) { |
| a = TintTypedArray.obtainStyledAttributes(context, ap, R.styleable.TextAppearance); |
| if (!hasPwdTm && a.hasValue(R.styleable.TextAppearance_textAllCaps)) { |
| allCapsSet = true; |
| allCaps = a.getBoolean(R.styleable.TextAppearance_textAllCaps, false); |
| } |
| if (Build.VERSION.SDK_INT < 23 |
| && a.hasValue(R.styleable.TextAppearance_android_textColor)) { |
| // If we're running on < API 23, the text color may contain theme references |
| // so let's re-set using our own inflater |
| textColor = a.getColorStateList(R.styleable.TextAppearance_android_textColor); |
| } |
| a.recycle(); |
| } |
| |
| // Now read the style's values |
| a = TintTypedArray.obtainStyledAttributes(context, attrs, R.styleable.TextAppearance, |
| defStyleAttr, 0); |
| if (!hasPwdTm && a.hasValue(R.styleable.TextAppearance_textAllCaps)) { |
| allCapsSet = true; |
| allCaps = a.getBoolean(R.styleable.TextAppearance_textAllCaps, false); |
| } |
| if (Build.VERSION.SDK_INT < 23 |
| && a.hasValue(R.styleable.TextAppearance_android_textColor)) { |
| // If we're running on < API 23, the text color may contain theme references |
| // so let's re-set using our own inflater |
| textColor = a.getColorStateList(R.styleable.TextAppearance_android_textColor); |
| } |
| a.recycle(); |
| |
| if (textColor != null) { |
| mView.setTextColor(textColor); |
| } |
| |
| if (!hasPwdTm && allCapsSet) { |
| setAllCaps(allCaps); |
| } |
| } |
| |
| void onSetTextAppearance(Context context, int resId) { |
| final TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, |
| resId, R.styleable.TextAppearance); |
| if (a.hasValue(R.styleable.TextAppearance_textAllCaps)) { |
| // This breaks away slightly from the logic in TextView.setTextAppearance that serves |
| // as an "overlay" on the current state of the TextView. Since android:textAllCaps |
| // may have been set to true in this text appearance, we need to make sure that |
| // app:textAllCaps has the chance to override it |
| setAllCaps(a.getBoolean(R.styleable.TextAppearance_textAllCaps, false)); |
| } |
| if (Build.VERSION.SDK_INT < 23 |
| && a.hasValue(R.styleable.TextAppearance_android_textColor)) { |
| // If we're running on < API 23, the text color may contain theme references |
| // so let's re-set using our own inflater |
| final ColorStateList textColor |
| = a.getColorStateList(R.styleable.TextAppearance_android_textColor); |
| if (textColor != null) { |
| mView.setTextColor(textColor); |
| } |
| } |
| a.recycle(); |
| } |
| |
| void setAllCaps(boolean allCaps) { |
| mView.setTransformationMethod(allCaps |
| ? new AllCapsTransformationMethod(mView.getContext()) |
| : null); |
| } |
| |
| void applyCompoundDrawablesTints() { |
| if (mDrawableLeftTint != null || mDrawableTopTint != null || |
| mDrawableRightTint != null || mDrawableBottomTint != null) { |
| final Drawable[] compoundDrawables = mView.getCompoundDrawables(); |
| applyCompoundDrawableTint(compoundDrawables[0], mDrawableLeftTint); |
| applyCompoundDrawableTint(compoundDrawables[1], mDrawableTopTint); |
| applyCompoundDrawableTint(compoundDrawables[2], mDrawableRightTint); |
| applyCompoundDrawableTint(compoundDrawables[3], mDrawableBottomTint); |
| } |
| } |
| |
| final void applyCompoundDrawableTint(Drawable drawable, TintInfo info) { |
| if (drawable != null && info != null) { |
| AppCompatDrawableManager.tintDrawable(drawable, info, mView.getDrawableState()); |
| } |
| } |
| |
| protected static TintInfo createTintInfo(Context context, |
| AppCompatDrawableManager drawableManager, int drawableId) { |
| final ColorStateList tintList = drawableManager.getTintList(context, drawableId); |
| if (tintList != null) { |
| final TintInfo tintInfo = new TintInfo(); |
| tintInfo.mHasTintList = true; |
| tintInfo.mTintList = tintList; |
| return tintInfo; |
| } |
| return null; |
| } |
| } |