com.bumptech.glide.request.target.SizeReadyCallback#onSizeReady ( )源码实例Demo

@Override
public void getSize(SizeReadyCallback cb) {
    // FIXME 这里为了图方面，直接加载原图了，生产环境上应该是高和宽都取mView.getDrawableSize()。
    // 但是这里直接取的话也不一定能取到正确的值，所以建义在
    // android.view.ViewTreeObserver.OnPreDrawListener中做处理。
    // 另外，DrawableSize会因图片数量改变而改变，所以建义异步加载图像之前
    // 应当先设置占位图。如果图片的数量是动态可变的的话，也建义做针对性处理。
    cb.onSizeReady(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL);
}
 

@Override
public void getSize(@NonNull SizeReadyCallback cb) {
    if (!Util.isValidDimensions(width, height)) {
        throw new IllegalArgumentException(
                "Width and height must both be > 0 or Target#SIZE_ORIGINAL, but given" + " width: "
                        + width + " and height: " + height + ", either provide dimensions in the constructor"
                        + " or call override()");
    }
    cb.onSizeReady(width, height);
}
 

@Override
public void getSize(SizeReadyCallback cb) {
    int maxWidth = getRealWidth(), maxHeight = Integer.MAX_VALUE;
    if (config.imageFixCallback != null) {
        holder.setImageState(ImageHolder.ImageState.SIZE_READY);
        ImageHolder.SizeHolder sizeHolder = new ImageHolder.SizeHolder(0, 0);
        config.imageFixCallback.onSizeReady(holder, 0, 0, sizeHolder);
        if (sizeHolder.isInvalidateSize()) {
            maxWidth = sizeHolder.getWidth();
            maxHeight = sizeHolder.getHeight();
        }
    }
    cb.onSizeReady(maxWidth, maxHeight);
}
 

/**
 * A callback that should never be invoked directly.
 */
@Override
public void getSize(SizeReadyCallback cb) {
    cb.onSizeReady(width, height);
}
 

@Override
public void getSize(SizeReadyCallback cb) {
    cb.onSizeReady(photoWidth, photoHeight);
}
 

@Override
public void getSize(SizeReadyCallback cb) {
    cb.onSizeReady(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL);
}
 

@Override
public void getSize(@NonNull SizeReadyCallback cb) {
    cb.onSizeReady(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL);
}
 

@Override
public void getSize(SizeReadyCallback cb) {
    cb.onSizeReady(dpToPx(ICON_SIZE), dpToPx(ICON_SIZE));
}
 

@Override
public void getSize(SizeReadyCallback cb) {
    cb.onSizeReady(size, size);
}
 

@Override
public void getSize(SizeReadyCallback cb) {
    cb.onSizeReady(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL);
}
 

@Override
public final void getSize(@NonNull SizeReadyCallback cb) {
    cb.onSizeReady(width, height);
}