FixedWidthImageView.java 文件源码

public void showImage(final Picasso picasso, final Uri uri, long rawImageWidth, long rawImageHeight,
                      DimensionsCallback dimensionsCallback) {

    if(uri == null || uri.equals(this.uri)) {
        L.d(LOG_TAG, "Image already loaded. " + uri);
        return;
    }

    // cancel running picasso operations
    if(this.picasso != null) {
        this.picasso.cancelRequest((Target) this);
        this.picasso.cancelRequest((ImageView) this);
    }

    this.uri = uri;
    this.picasso = picasso;
    this.rawImageWidth = (int) rawImageWidth;
    this.rawImageHeight = (int) rawImageHeight;
    this.dimensionsCallback = dimensionsCallback;

    if(viewWidth > 0) {
        startImageLoading(picasso, uri, viewWidth, this.rawImageWidth, this.rawImageHeight);
    } else {
        imageWaiting.set(true);
    }
}