FixedWidthImageView.java 文件源码

public void showImage(final Picasso picasso, final Uri uri, CalculatedDimensions dimensions) {

        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 = dimensions.rawImageWidth;
        this.rawImageHeight = dimensions.rawImageHeight;
        this.viewHeight = dimensions.viewHeight;
        this.viewWidth = dimensions.viewWidth;

        startImageLoading(picasso, uri, viewWidth, rawImageWidth, rawImageHeight);
    }