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/*
* 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 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 android.widget.LinearLayout;
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.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.
* @param shouldApplyPartnerResource Whether to apply partner resources or not.
*/
public IconMixin(
TemplateLayout layout,
AttributeSet attrs,
int defStyleAttr,
boolean shouldApplyPartnerResource) {
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();
ImageView iconImage = layout.findManagedViewById(R.id.sud_layout_icon);
if (iconImage != null && shouldApplyPartnerResource) {
applyPartnerCustomizationStyle(context, iconImage);
}
}
public void applyPartnerCustomizationStyle(Context context, ImageView iconImage) {
int gravity = PartnerStyleHelper.getLayoutGravity(context);
if (gravity != 0) {
setGravity(iconImage, gravity);
}
}
/**
* 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 ImageView iconView = getView();
if (iconView != null) {
LayoutParams layoutParams = iconView.getLayoutParams();
layoutParams.height = shouldUpscaleIcon ? iconView.getMaxHeight() : 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;
}
/** @return The ImageView responsible for displaying the icon. */
protected ImageView getView() {
return (ImageView) templateLayout.findManagedViewById(R.id.sud_layout_icon);
}
private void setGravity(ImageView icon, int gravity) {
if (icon.getLayoutParams() instanceof LinearLayout.LayoutParams) {
LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams) icon.getLayoutParams();
layoutParams.gravity = gravity;
icon.setLayoutParams(layoutParams);
}
}
}
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