/**
* Bind text view to HTML string
*
* @param view
* @param html
* @param id
* @return this image getter
*/
public HttpImageGetter bind(final TextView view, final String html, final Object id) {
if (TextUtils.isEmpty(html)) return hide(view);
CharSequence encoded = fullHtmlCache.get(id);
if (encoded != null) return show(view, encoded);
encoded = rawHtmlCache.get(id);
if (encoded == null) {
encoded = HtmlUtils.encode(html, loading);
if (containsImages(html)) rawHtmlCache.put(id, encoded);
else {
rawHtmlCache.remove(id);
fullHtmlCache.put(id, encoded);
return show(view, encoded);
}
}
if (TextUtils.isEmpty(encoded)) return hide(view);
show(view, encoded);
view.setTag(id);
ImageGetterAsyncTask asyncTask = new ImageGetterAsyncTask();
AsyncTaskCompat.executeParallel(asyncTask, html, id, view);
return this;
}
@Override
protected CharSequence doInBackground(Object... params) {
html = (String) params[0];
id = params[1];
view = (TextView) params[2];
return HtmlUtils.encode(html, HttpImageGetter.this);
}
/**
* Encode given HTML string and map it to the given id
*
* @param id
* @param html
* @return this image getter
*/
public void encode(final Object id, final String html) {
if (TextUtils.isEmpty(html)) return;
CharSequence encoded = HtmlUtils.encode(html, loading);
// Use default encoding if no img tags
if (containsImages(html)) rawHtmlCache.put(id, encoded);
else {
rawHtmlCache.remove(id);
fullHtmlCache.put(id, encoded);
}
}
/**
* Bind text view to HTML string
*
* @param view
* @param html
* @param id
* @return this image getter
*/
public HttpImageGetter bind(final TextView view, final String html, final Object id) {
if (TextUtils.isEmpty(html)) return hide(view);
CharSequence encoded = fullHtmlCache.get(id);
if (encoded != null) return show(view, encoded);
encoded = rawHtmlCache.get(id);
if (encoded == null) {
encoded = HtmlUtils.encode(html, loading);
if (containsImages(html)) rawHtmlCache.put(id, encoded);
else {
rawHtmlCache.remove(id);
fullHtmlCache.put(id, encoded);
return show(view, encoded);
}
}
if (TextUtils.isEmpty(encoded)) return hide(view);
show(view, encoded);
view.setTag(id);
new RoboAsyncTask<CharSequence>(context) {
@Override
public CharSequence call() throws Exception {
return HtmlUtils.encode(html, HttpImageGetter.this);
}
@Override
protected void onSuccess(final CharSequence html) throws Exception {
rawHtmlCache.remove(id);
fullHtmlCache.put(id, html);
if (id.equals(view.getTag())) show(view, html);
}
}.execute();
return this;
}
