| /* |
| * Copyright (C) 2017 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 com.google.android.setupdesign.template; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.graphics.Color; |
| import android.graphics.drawable.Drawable; |
| import android.os.Build.VERSION; |
| import android.os.Build.VERSION_CODES; |
| import androidx.annotation.ColorInt; |
| import androidx.annotation.DrawableRes; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.ViewGroup.LayoutParams; |
| import android.widget.ImageView; |
| import com.google.android.setupcompat.internal.TemplateLayout; |
| import com.google.android.setupcompat.template.Mixin; |
| import com.google.android.setupdesign.R; |
| import com.google.android.setupdesign.util.HeaderAreaStyler; |
| import com.google.android.setupdesign.util.PartnerStyleHelper; |
| |
| /** |
| * A {@link com.google.android.setupcompat.template.Mixin} for setting an icon on the template |
| * layout. |
| */ |
| public class IconMixin implements Mixin { |
| |
| private final TemplateLayout templateLayout; |
| |
| private final int originalHeight; |
| private final ImageView.ScaleType originalScaleType; |
| |
| /** |
| * @param layout The template layout that this Mixin is a part of. |
| * @param attrs XML attributes given to the layout. |
| * @param defStyleAttr The default style attribute as given to the constructor of the layout. |
| */ |
| public IconMixin(TemplateLayout layout, AttributeSet attrs, int defStyleAttr) { |
| templateLayout = layout; |
| final Context context = layout.getContext(); |
| |
| ImageView iconView = getView(); |
| if (iconView != null) { |
| LayoutParams layoutParams = iconView.getLayoutParams(); |
| originalHeight = layoutParams.height; |
| originalScaleType = iconView.getScaleType(); |
| } else { |
| originalHeight = 0; |
| originalScaleType = null; |
| } |
| |
| final TypedArray a = |
| context.obtainStyledAttributes(attrs, R.styleable.SudIconMixin, defStyleAttr, 0); |
| |
| final @DrawableRes int icon = a.getResourceId(R.styleable.SudIconMixin_android_icon, 0); |
| if (icon != 0) { |
| setIcon(icon); |
| } |
| |
| final boolean upscaleIcon = a.getBoolean(R.styleable.SudIconMixin_sudUpscaleIcon, false); |
| setUpscaleIcon(upscaleIcon); |
| |
| final @ColorInt int iconTint = |
| a.getColor(R.styleable.SudIconMixin_sudIconTint, Color.TRANSPARENT); |
| if (iconTint != Color.TRANSPARENT) { |
| setIconTint(iconTint); |
| } |
| |
| a.recycle(); |
| } |
| |
| /** |
| * Tries to apply the partner customization to the header icon if the layout of this {@link |
| * IconMixin} is set to apply partner heavy theme resource. |
| */ |
| public void tryApplyPartnerCustomizationStyle() { |
| if (!PartnerStyleHelper.isPartnerHeavyThemeLayout(templateLayout)) { |
| return; |
| } |
| |
| ImageView iconImage = templateLayout.findManagedViewById(R.id.sud_layout_icon); |
| if (iconImage != null) { |
| HeaderAreaStyler.applyPartnerCustomizationIconStyle(iconImage); |
| } |
| } |
| |
| /** |
| * Sets the icon on this layout. The icon can also be set in XML using {@code android:icon}. |
| * |
| * @param icon A drawable icon. |
| */ |
| public void setIcon(Drawable icon) { |
| final ImageView iconView = getView(); |
| if (iconView != null) { |
| iconView.setImageDrawable(icon); |
| iconView.setVisibility(icon != null ? View.VISIBLE : View.GONE); |
| } |
| } |
| |
| /** |
| * Sets the icon on this layout. The icon can also be set in XML using {@code android:icon}. |
| * |
| * @param icon A drawable icon resource. |
| */ |
| public void setIcon(@DrawableRes int icon) { |
| final ImageView iconView = getView(); |
| if (iconView != null) { |
| // Note: setImageResource on the ImageView is overridden in AppCompatImageView for |
| // support lib users, which enables vector drawable compat to work on versions pre-L. |
| iconView.setImageResource(icon); |
| iconView.setVisibility(icon != 0 ? View.VISIBLE : View.GONE); |
| } |
| } |
| |
| /** @return The icon previously set in {@link #setIcon(Drawable)} or {@code android:icon} */ |
| public Drawable getIcon() { |
| final ImageView iconView = getView(); |
| return iconView != null ? iconView.getDrawable() : null; |
| } |
| |
| /** Forces the icon view to be as big as desired in the style. */ |
| public void setUpscaleIcon(boolean shouldUpscaleIcon) { |
| final int maxHeight; |
| final ImageView iconView = getView(); |
| if (iconView != null) { |
| LayoutParams layoutParams = iconView.getLayoutParams(); |
| if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) { |
| maxHeight = iconView.getMaxHeight(); |
| } else { |
| maxHeight = (int) iconView.getResources().getDimension(R.dimen.sud_glif_icon_max_height); |
| } |
| layoutParams.height = shouldUpscaleIcon ? maxHeight : originalHeight; |
| iconView.setLayoutParams(layoutParams); |
| iconView.setScaleType(shouldUpscaleIcon ? ImageView.ScaleType.FIT_CENTER : originalScaleType); |
| } |
| } |
| |
| /** Tints the icon on this layout to the given color. */ |
| public void setIconTint(@ColorInt int tint) { |
| final ImageView iconView = getView(); |
| if (iconView != null) { |
| iconView.setColorFilter(tint); |
| } |
| } |
| |
| /** Sets the content description of the icon view */ |
| public void setContentDescription(CharSequence description) { |
| final ImageView iconView = getView(); |
| if (iconView != null) { |
| iconView.setContentDescription(description); |
| } |
| } |
| |
| /** @return The content description of the icon view */ |
| public CharSequence getContentDescription() { |
| final ImageView iconView = getView(); |
| return iconView != null ? iconView.getContentDescription() : null; |
| } |
| |
| /** Sets the visibiltiy of the icon view */ |
| public void setVisibility(int visibility) { |
| final ImageView iconView = getView(); |
| if (iconView != null) { |
| iconView.setVisibility(visibility); |
| } |
| } |
| |
| /** @return The ImageView responsible for displaying the icon. */ |
| protected ImageView getView() { |
| return (ImageView) templateLayout.findManagedViewById(R.id.sud_layout_icon); |
| } |
| } |