Added base classes for glide to work with Phonograph.

app/src/main/java/com/kabouzeid/gramophone/glide/BitmapPaletteResource.java

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+package com.kabouzeid.gramophone.glide;
+
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.util.Util;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public class BitmapPaletteResource implements Resource<BitmapPaletteWrapper> {
+
+    private final BitmapPaletteWrapper bitmapPaletteWrapper;
+    private final BitmapPool bitmapPool;
+
+    public BitmapPaletteResource(BitmapPaletteWrapper bitmapPaletteWrapper, BitmapPool bitmapPool) {
+        this.bitmapPaletteWrapper = bitmapPaletteWrapper;
+        this.bitmapPool = bitmapPool;
+    }
+
+    @Override
+    public BitmapPaletteWrapper get() {
+        return bitmapPaletteWrapper;
+    }
+
+    @Override
+    public int getSize() {
+        return Util.getBitmapByteSize(bitmapPaletteWrapper.getBitmap());
+    }
+
+    @Override
+    public void recycle() {
+        if (!bitmapPool.put(bitmapPaletteWrapper.getBitmap())) {
+            bitmapPaletteWrapper.getBitmap().recycle();
+        }
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/glide/BitmapPaletteTarget.java

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+package com.kabouzeid.gramophone.glide;
+
+import android.widget.ImageView;
+
+import com.bumptech.glide.request.target.ImageViewTarget;
+
+public class BitmapPaletteTarget extends ImageViewTarget<BitmapPaletteWrapper> {
+    public BitmapPaletteTarget(ImageView view) {
+        super(view);
+    }
+
+    @Override
+    protected void setResource(BitmapPaletteWrapper bitmapPaletteWrapper) {
+        view.setImageBitmap(bitmapPaletteWrapper.getBitmap());
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/glide/BitmapPaletteTranscoder.java

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+package com.kabouzeid.gramophone.glide;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.transcode.ResourceTranscoder;
+import com.kabouzeid.gramophone.util.ColorUtil;
+
+public class BitmapPaletteTranscoder implements ResourceTranscoder<Bitmap, BitmapPaletteWrapper> {
+    private final BitmapPool bitmapPool;
+
+    public BitmapPaletteTranscoder(Context context) {
+        this(Glide.get(context).getBitmapPool());
+    }
+
+    public BitmapPaletteTranscoder(BitmapPool bitmapPool) {
+        this.bitmapPool = bitmapPool;
+    }
+
+    @Override
+    public Resource<BitmapPaletteWrapper> transcode(Resource<Bitmap> bitmapResource) {
+        Bitmap bitmap = bitmapResource.get();
+        BitmapPaletteWrapper bitmapPaletteWrapper = new BitmapPaletteWrapper(bitmap, ColorUtil.generatePalette(bitmap));
+        return new BitmapPaletteResource(bitmapPaletteWrapper, bitmapPool);
+    }
+
+    @Override
+    public String getId() {
+        return "";
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/glide/BitmapPaletteWrapper.java

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+package com.kabouzeid.gramophone.glide;
+
+import android.graphics.Bitmap;
+import android.support.v7.graphics.Palette;
+
+public class BitmapPaletteWrapper {
+    private final Bitmap mBitmap;
+    private final Palette mPalette;
+
+    public BitmapPaletteWrapper(Bitmap bitmap, Palette palette) {
+        mBitmap = bitmap;
+        mPalette = palette;
+    }
+
+    public Bitmap getBitmap() {
+        return mBitmap;
+    }
+
+    public Palette getPalette() {
+        return mPalette;
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/glide/PhonographGlideModule.java

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+package com.kabouzeid.gramophone.glide;
+
+import android.content.Context;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.GlideBuilder;
+import com.bumptech.glide.module.GlideModule;
+
+/**
+ * @author Karim Abou Zeid (kabouzeid)
+ */
+public class PhonographGlideModule implements GlideModule {
+    @Override
+    public void applyOptions(Context context, GlideBuilder builder) {
+
+    }
+
+    @Override
+    public void registerComponents(Context context, Glide glide) {
+
+    }
+}

app/src/main/java/com/kabouzeid/gramophone/glide/PhonographPaletteTarget.java

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+package com.kabouzeid.gramophone.glide;
+
+import android.graphics.drawable.Drawable;
+import android.widget.ImageView;
+
+import com.bumptech.glide.request.animation.GlideAnimation;
+import com.kabouzeid.gramophone.R;
+import com.kabouzeid.gramophone.util.ColorUtil;
+
+import hugo.weaving.DebugLog;
+
+public abstract class PhonographPaletteTarget extends BitmapPaletteTarget {
+    public PhonographPaletteTarget(ImageView view) {
+        super(view);
+    }
+
+    @DebugLog
+    @Override
+    public void onLoadFailed(Exception e, Drawable errorDrawable) {
+        super.onLoadFailed(e, errorDrawable);
+        onColorReady(getDefaultBarColor());
+    }
+
+    @DebugLog
+    @Override
+    public void onResourceReady(BitmapPaletteWrapper resource, GlideAnimation<? super BitmapPaletteWrapper> glideAnimation) {
+        super.onResourceReady(resource, glideAnimation);
+        onColorReady(ColorUtil.getColor(resource.getPalette(), getDefaultBarColor()));
+    }
+
+    private int getDefaultBarColor() {
+        return ColorUtil.resolveColor(getView().getContext(), R.attr.default_bar_color);
+    }
+
+    public abstract void onColorReady(int color);
+}