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...id/commons/src/main/java/com/alibaba/weex/commons/adapter/PicassoBasedDrawableLoader.java
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| /* | ||
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|
|
||
| package com.alibaba.weex.commons.adapter; | ||
|
|
||
| import android.content.Context; | ||
| import android.graphics.Bitmap; | ||
| import android.graphics.Canvas; | ||
| import android.graphics.ColorFilter; | ||
| import android.graphics.PixelFormat; | ||
| import android.graphics.drawable.BitmapDrawable; | ||
| import android.graphics.drawable.Drawable; | ||
| import android.view.Gravity; | ||
|
|
||
| import com.squareup.picasso.Picasso; | ||
| import com.squareup.picasso.Target; | ||
| import com.taobao.weex.WXSDKManager; | ||
| import com.taobao.weex.adapter.DrawableStrategy; | ||
| import com.taobao.weex.adapter.IDrawableLoader; | ||
|
|
||
|
|
||
| public class PicassoBasedDrawableLoader implements IDrawableLoader { | ||
|
|
||
| private Context mContext; | ||
|
|
||
| public PicassoBasedDrawableLoader(Context context) { | ||
| mContext = context; | ||
| } | ||
|
|
||
| @Override | ||
| public void setDrawable(final String url, | ||
| final DrawableTarget drawableTarget, | ||
| final DrawableStrategy drawableStrategy) { | ||
| WXSDKManager.getInstance().postOnUiThread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| String temp = url; | ||
| if (url.startsWith("//")) { | ||
| temp = "http:" + url; | ||
| } | ||
|
|
||
| /** This is a hack for picasso, as Picasso hold weakReference to Target. | ||
| * http://stackoverflow.com/questions/24180805/onbitmaploaded-of-target-object-not-called-on-first-load | ||
| */ | ||
| class PlaceHolderDrawableTarget extends Drawable implements Target { | ||
|
|
||
| @Override | ||
| public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) { | ||
| BitmapDrawable bitmapDrawable = new BitmapDrawable(mContext.getResources(), bitmap); | ||
| bitmapDrawable.setGravity(Gravity.FILL); | ||
| if(drawableTarget instanceof StaticTarget) { | ||
| ((StaticTarget) drawableTarget).setDrawable(bitmapDrawable, true); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void onBitmapFailed(Drawable errorDrawable) { | ||
|
|
||
| } | ||
|
|
||
| @Override | ||
| public void onPrepareLoad(Drawable placeHolderDrawable) { | ||
| if(drawableTarget instanceof StaticTarget) { | ||
| ((StaticTarget) drawableTarget).setDrawable(this, true); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void draw(Canvas canvas) { | ||
|
|
||
| } | ||
|
|
||
| @Override | ||
| public void setAlpha(int alpha) { | ||
|
|
||
| } | ||
|
|
||
| @Override | ||
| public void setColorFilter(ColorFilter colorFilter) { | ||
|
|
||
| } | ||
|
|
||
| @Override | ||
| public int getOpacity() { | ||
| return PixelFormat.UNKNOWN; | ||
| } | ||
| } | ||
| Picasso. | ||
| with(mContext). | ||
| load(temp). | ||
| into(new PlaceHolderDrawableTarget()); | ||
| } | ||
| }, 0); | ||
|
|
||
| } | ||
| } |
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