/*
GNU LESSER GENERAL PUBLIC LICENSE
Copyright (C) 2015 Uproot Labs India Pvt Ltd
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.lobobrowser.ua;
import java.awt.Image;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
public final class ImageResponse {
public static enum State {loading, loaded, error}
public final State state;
public final @Nullable Image img;
public ImageResponse() {
this.state = State.loading;
this.img = null;
}
public ImageResponse(final State state, final @Nullable Image img) {
this.state = state;
this.img = img;
}
public boolean isDecoded() {
if (state == State.loaded) {
assert(img != null);
@NonNull Image imgLocal = img;
return imgLocal.getWidth(null) >= 0 && imgLocal.getHeight(null) >= 0;
} else {
return false;
}
}
public boolean isReadyToPaint() {
if (state == State.loaded) {
assert(img != null);
@NonNull Image imgLocal = img;
return imgLocal.getWidth(null) >= 0 && imgLocal.getHeight(null) >= 0;
} else {
return state != State.loading;
}
}
@Override
public String toString() {
return "ImageResponse: " + state + ", " + img;
}
}