131 lines
4.3 KiB
Java
131 lines
4.3 KiB
Java
package com.annimon.everlastingsummer;
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import java.util.HashMap;
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import java.util.Locale;
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import java.util.Map;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.drawable.ColorDrawable;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.TransitionDrawable;
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import android.util.AttributeSet;
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import android.widget.ImageView;
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/**
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* ImageView с поддержкой анимации переходов.
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* @author aNNiMON
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*/
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public class AnimatableImageView extends ImageView {
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private static final Drawable BLACK_DRAWABLE = new ColorDrawable(0xFF000000);
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private static final Drawable WHITE_DRAWABLE = new ColorDrawable(0xFFFFFFFF);
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private static final Drawable RED_DRAWABLE = new ColorDrawable(0xFFFF0000);
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private static final Anim FADE = new Anim(1000, BLACK_DRAWABLE);
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private static final Anim FADE2 = new Anim(2000, BLACK_DRAWABLE);
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private static final Anim FADE3 = new Anim(3000, BLACK_DRAWABLE);
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private static final Anim DSPR = new Anim(200);
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private static final Anim DISSOLVE = new Anim(1000);
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private static final Anim DISSOLVE2 = new Anim(2000);
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private static final Anim FLASH = new Anim(1000, WHITE_DRAWABLE);
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private static final Anim FLASH2 = new Anim(2000, WHITE_DRAWABLE);
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private static final Anim FLASH_RED = new Anim(1000, RED_DRAWABLE);
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private static final Map<String, Anim> animations;
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static {
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animations = new HashMap<String, AnimatableImageView.Anim>();
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animations.put("fade", FADE);
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animations.put("fade2", FADE2);
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animations.put("fade3", FADE3);
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animations.put("dspr", DSPR);
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animations.put("dissolve", DISSOLVE);
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animations.put("dissolve2", DISSOLVE2);
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animations.put("flash", FLASH);
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animations.put("flash2", FLASH2);
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animations.put("flash_red", FLASH_RED);
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}
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private Drawable previous;
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public AnimatableImageView(Context context) {
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super(context);
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}
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public AnimatableImageView(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public AnimatableImageView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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@Override
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public void setImageResource(int resId) {
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setImageResource(resId, "");
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}
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public int setImageResource(int resId, String effect) {
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previous = getDrawable();
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super.setImageResource(resId);
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return setAnimationEffect(effect);
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}
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@Override
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public void setImageDrawable(Drawable drawable) {
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setImageDrawable(drawable, "");
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}
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public int setImageDrawable(Drawable drawable, String effect) {
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previous = getDrawable();
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super.setImageDrawable(drawable);
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return setAnimationEffect("");
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}
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@Override
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public void setImageBitmap(Bitmap bm) {
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setImageBitmap(bm, "");
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}
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public int setImageBitmap(Bitmap bm, String effect) {
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previous = getDrawable();
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super.setImageBitmap(bm);
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return setAnimationEffect(effect);
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}
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private int setAnimationEffect(String animEffect) {
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final String effect = animEffect.toLowerCase(Locale.ENGLISH);
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if (!animations.containsKey(effect)) return 0;
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final Anim anim = animations.get(effect);
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final Drawable[] layers = new Drawable[2];
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layers[0] = anim.usePreviousDrawable ? previous : anim.drawable;
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layers[1] = getDrawable();
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final TransitionDrawable transition = new TransitionDrawable(layers);
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setImageDrawable(transition);
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transition.startTransition(anim.duration);
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return anim.duration;
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}
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private static class Anim {
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final int duration;
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final boolean usePreviousDrawable;
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final Drawable drawable;
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Anim(int duration) {
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this(duration, true, null);
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}
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Anim(int duration, Drawable drawable) {
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this(duration, false, drawable);
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}
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Anim(int duration, boolean usePreviousDrawable, Drawable drawable) {
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this.duration = duration;
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this.usePreviousDrawable = usePreviousDrawable;
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this.drawable = drawable;
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}
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}
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}
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