| /* |
| * 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 static android.support.annotation.RestrictTo.Scope.LIBRARY_GROUP; |
| |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.content.res.Resources; |
| import android.graphics.Typeface; |
| import android.graphics.drawable.Drawable; |
| import android.os.Build; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.RequiresApi; |
| import android.support.annotation.RestrictTo; |
| import android.support.v4.graphics.TypefaceCompat.TypefaceHolder; |
| import android.support.v4.widget.TextViewCompat; |
| import android.support.v7.appcompat.R; |
| import android.text.TextPaint; |
| import android.text.method.PasswordTransformationMethod; |
| import android.util.AttributeSet; |
| import android.util.TypedValue; |
| import android.widget.TextView; |
| |
| @RequiresApi(9) |
| 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; |
| |
| private final @NonNull AppCompatTextViewAutoSizeHelper mAutoSizeTextHelper; |
| |
| AppCompatTextHelper(TextView view) { |
| mView = view; |
| mAutoSizeTextHelper = new AppCompatTextViewAutoSizeHelper(mView); |
| } |
| |
| void loadFromAttributes(AttributeSet attrs, int defStyleAttr) { |
| final Context context = mView.getContext(); |
| final AppCompatDrawableManager drawableManager = AppCompatDrawableManager.get(); |
| final boolean shouldLoadFonts = shouldLoadFontResources(context); |
| |
| // 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; |
| ColorStateList textColorHint = null; |
| ColorStateList textColorLink = null; |
| TypefaceHolder fontTypeface = null; |
| int style = Typeface.NORMAL; |
| |
| // 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 (shouldLoadFonts) { |
| style = a.getInt(R.styleable.TextAppearance_android_textStyle, Typeface.NORMAL); |
| |
| // If we're running on < API 26, we need to load font resources manually. |
| if (a.hasValue(R.styleable.TextAppearance_android_fontFamily)) { |
| try { |
| fontTypeface = a.getFont( |
| R.styleable.TextAppearance_android_fontFamily, style); |
| } catch (UnsupportedOperationException | Resources.NotFoundException e) { |
| // Expected if it is not a font resource. |
| } |
| } |
| } |
| if (Build.VERSION.SDK_INT < 23) { |
| // If we're running on < API 23, the text color may contain theme references |
| // so let's re-set using our own inflater |
| if (a.hasValue(R.styleable.TextAppearance_android_textColor)) { |
| textColor = a.getColorStateList(R.styleable.TextAppearance_android_textColor); |
| } |
| if (a.hasValue(R.styleable.TextAppearance_android_textColorHint)) { |
| textColorHint = a.getColorStateList( |
| R.styleable.TextAppearance_android_textColorHint); |
| } |
| if (a.hasValue(R.styleable.TextAppearance_android_textColorLink)) { |
| textColorLink = a.getColorStateList( |
| R.styleable.TextAppearance_android_textColorLink); |
| } |
| } |
| 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) { |
| // If we're running on < API 23, the text color may contain theme references |
| // so let's re-set using our own inflater |
| if (a.hasValue(R.styleable.TextAppearance_android_textColor)) { |
| textColor = a.getColorStateList(R.styleable.TextAppearance_android_textColor); |
| } |
| if (a.hasValue(R.styleable.TextAppearance_android_textColorHint)) { |
| textColorHint = a.getColorStateList( |
| R.styleable.TextAppearance_android_textColorHint); |
| } |
| if (a.hasValue(R.styleable.TextAppearance_android_textColorLink)) { |
| textColorLink = a.getColorStateList( |
| R.styleable.TextAppearance_android_textColorLink); |
| } |
| } |
| |
| if (shouldLoadFonts) { |
| // If we're running on < API 26, we need to load font resources manually. |
| if (a.hasValue(R.styleable.TextAppearance_android_fontFamily)) { |
| style = a.getInt(R.styleable.TextAppearance_android_textStyle, Typeface.NORMAL); |
| try { |
| fontTypeface = a.getFont(R.styleable.TextAppearance_android_fontFamily, style); |
| } catch (UnsupportedOperationException | Resources.NotFoundException e) { |
| // Expected if it is not a font resource. |
| } |
| } |
| } |
| a.recycle(); |
| |
| if (textColor != null) { |
| mView.setTextColor(textColor); |
| } |
| if (textColorHint != null) { |
| mView.setHintTextColor(textColorHint); |
| } |
| if (textColorLink != null) { |
| mView.setLinkTextColor(textColorLink); |
| } |
| if (!hasPwdTm && allCapsSet) { |
| setAllCaps(allCaps); |
| } |
| if (fontTypeface != null) { |
| mView.setTypeface(fontTypeface.getTypeface()); |
| TextPaint paint = mView.getPaint(); |
| boolean needFakeBold = |
| (style & Typeface.BOLD) != 0 && fontTypeface.getWeight() < 600; |
| paint.setFakeBoldText(needFakeBold); |
| boolean needFakeItalic = (style & Typeface.ITALIC) != 0 && !fontTypeface.isItalic(); |
| paint.setTextSkewX(needFakeItalic ? -0.25f : 0); |
| } |
| |
| mAutoSizeTextHelper.loadFromAttributes(attrs, defStyleAttr); |
| |
| if (Build.VERSION.SDK_INT >= 26) { |
| // Delegate auto-size functionality to the framework implementation. |
| if (mAutoSizeTextHelper.getAutoSizeTextType() |
| != TextViewCompat.AUTO_SIZE_TEXT_TYPE_NONE) { |
| final int[] autoSizeTextSizesInPx = |
| mAutoSizeTextHelper.getAutoSizeTextAvailableSizes(); |
| if (autoSizeTextSizesInPx.length > 0) { |
| if (mView.getAutoSizeStepGranularity() != AppCompatTextViewAutoSizeHelper |
| .UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE) { |
| // Configured with granularity, preserve details. |
| mView.setAutoSizeTextTypeUniformWithConfiguration( |
| mAutoSizeTextHelper.getAutoSizeMinTextSize(), |
| mAutoSizeTextHelper.getAutoSizeMaxTextSize(), |
| mAutoSizeTextHelper.getAutoSizeStepGranularity(), |
| TypedValue.COMPLEX_UNIT_PX); |
| } else { |
| mView.setAutoSizeTextTypeUniformWithPresetSizes( |
| autoSizeTextSizesInPx, TypedValue.COMPLEX_UNIT_PX); |
| } |
| } |
| } |
| } |
| } |
| |
| private boolean shouldLoadFontResources(Context context) { |
| // We do not load fonts on restricted contexts for security reasons. |
| return !context.isRestricted(); |
| } |
| |
| 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.setAllCaps(allCaps); |
| } |
| |
| 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; |
| } |
| |
| /** @hide */ |
| @RestrictTo(LIBRARY_GROUP) |
| void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| // Auto-size is supported by the framework starting from Android O. |
| if (Build.VERSION.SDK_INT < 26) { |
| if (isAutoSizeEnabled()) { |
| if (getNeedsAutoSizeText()) { |
| // Call auto-size after the width and height have been calculated. |
| autoSizeText(); |
| } |
| // Always try to auto-size if enabled. Functions that do not want to trigger |
| // auto-sizing after the next layout round should set this to false. |
| setNeedsAutoSizeText(true); |
| } |
| } |
| } |
| |
| /** @hide */ |
| @RestrictTo(LIBRARY_GROUP) |
| void setTextSize(int unit, float size) { |
| if (Build.VERSION.SDK_INT < 26) { |
| if (!isAutoSizeEnabled()) { |
| setTextSizeInternal(unit, size); |
| } |
| } else { |
| mView.setTextSize(unit, size); |
| } |
| } |
| |
| private boolean isAutoSizeEnabled() { |
| return mAutoSizeTextHelper.isAutoSizeEnabled(); |
| } |
| |
| private boolean getNeedsAutoSizeText() { |
| return mAutoSizeTextHelper.getNeedsAutoSizeText(); |
| } |
| |
| private void setNeedsAutoSizeText(boolean needsAutoSizeText) { |
| mAutoSizeTextHelper.setNeedsAutoSizeText(needsAutoSizeText); |
| } |
| |
| private void autoSizeText() { |
| mAutoSizeTextHelper.autoSizeText(); |
| } |
| |
| private void setTextSizeInternal(int unit, float size) { |
| mAutoSizeTextHelper.setTextSizeInternal(unit, size); |
| } |
| |
| void setAutoSizeTextTypeWithDefaults(@TextViewCompat.AutoSizeTextType int autoSizeTextType) { |
| mAutoSizeTextHelper.setAutoSizeTextTypeWithDefaults(autoSizeTextType); |
| } |
| |
| void setAutoSizeTextTypeUniformWithConfiguration( |
| int autoSizeMinTextSize, |
| int autoSizeMaxTextSize, |
| int autoSizeStepGranularity, |
| int unit) throws IllegalArgumentException { |
| mAutoSizeTextHelper.setAutoSizeTextTypeUniformWithConfiguration( |
| autoSizeMinTextSize, autoSizeMaxTextSize, autoSizeStepGranularity, unit); |
| } |
| |
| void setAutoSizeTextTypeUniformWithPresetSizes(@NonNull int[] presetSizes, int unit) |
| throws IllegalArgumentException { |
| mAutoSizeTextHelper.setAutoSizeTextTypeUniformWithPresetSizes(presetSizes, unit); |
| } |
| |
| @TextViewCompat.AutoSizeTextType |
| int getAutoSizeTextType() { |
| return mAutoSizeTextHelper.getAutoSizeTextType(); |
| } |
| |
| int getAutoSizeStepGranularity() { |
| return mAutoSizeTextHelper.getAutoSizeStepGranularity(); |
| } |
| |
| int getAutoSizeMinTextSize() { |
| return mAutoSizeTextHelper.getAutoSizeMinTextSize(); |
| } |
| |
| int getAutoSizeMaxTextSize() { |
| return mAutoSizeTextHelper.getAutoSizeMaxTextSize(); |
| } |
| |
| int[] getAutoSizeTextAvailableSizes() { |
| return mAutoSizeTextHelper.getAutoSizeTextAvailableSizes(); |
| } |
| } |
