Android Open Source - hubroid Gravatar View

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License

The source code is released under:

Copyright (c) 2011 Eddie Ringle. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistribution...

Java Source Code

/*
 * Copyright (c) 2012 Eddie Ringle//  w  w w.  ja v a 2s  .com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this list of conditions
 * and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
 * and the following disclaimer in the documentation and/or other materials provided with the
 * distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package net.idlesoft.android.apps.github.ui.widgets;

import net.idlesoft.android.apps.github.utils.GravatarCache;

import android.content.Context;
import android.graphics.Bitmap;
import android.os.Handler;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.widget.ImageView;

import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;

public class GravatarView extends LoadableImageView {

    private Bitmap mSourceBitmap;

    private int mDefaultResource;

    private String mGravatarHash;

    private Handler mHandler = new Handler();

    private GravatarViewCallback mGravatarViewCallback;

    private Thread mGravatarThread = new Thread(new Runnable() {
        @Override
        public void run() {
            mSourceBitmap = GravatarCache.getGravatar(mGravatarHash, 140);
            mHandler.post(new Runnable() {
                @Override
                public void run() {
                    getImageView().setImageBitmap(mSourceBitmap);
                    setIsLoading(false);
                    if (mGravatarViewCallback != null) {
                        mGravatarViewCallback.OnGravatarFinishedLoading(mSourceBitmap);
                    }
                }
            });
        }
    });

    public GravatarView(Context context) {
        super(context);
    }

    public GravatarView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public GravatarView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected void buildView() {
        super.buildView();

        getImageView().setScaleType(ImageView.ScaleType.FIT_CENTER);
    }

    public void setDefaultResource(final int resource) {
        mDefaultResource = resource;

        if (mSourceBitmap == null && !isLoading()) {
            getImageView().setImageResource(resource);
        }
    }

    public int getDefaultResource() {
        return mDefaultResource;
    }

    public void setGravatarHash(final String gravatarHash) {
        if (mGravatarHash == null || !mGravatarHash.equals(gravatarHash)) {
            mGravatarHash = gravatarHash;

            setIsLoading(true);

            getImageView().measure(WRAP_CONTENT, WRAP_CONTENT);
            mGravatarThread.start();
        }
    }

    public String getGravatarHash() {
        return mGravatarHash;
    }

    public Bitmap getSourceBitmap() {
        return mSourceBitmap;
    }

    @Override
    protected Parcelable onSaveInstanceState() {
        if (mGravatarThread.isAlive()) {
            mGravatarThread.interrupt();
        }

        return super.onSaveInstanceState();
    }

    @Override
    protected void onRestoreInstanceState(Parcelable state) {
        if (mSourceBitmap == null && mGravatarHash != null) {
            setIsLoading(true);
            getImageView().measure(WRAP_CONTENT, WRAP_CONTENT);
            mGravatarThread.start();
        } else if (mSourceBitmap != null) {
            getImageView().setImageBitmap(mSourceBitmap);
        }

        super.onRestoreInstanceState(state);
    }

    public interface GravatarViewCallback {

        public abstract void OnGravatarFinishedLoading(Bitmap sourceBitmap);
    }

    public void setGravatarViewCallback(GravatarViewCallback callback) {
        mGravatarViewCallback = callback;
    }
}

Java Source Code List

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