Use Glide for all contact photo caching

// FREEBIE

src/org/thoughtcrime/securesms/glide/ContactPhotoFetcher.java

@@ -0,0 +1,61 @@
+package org.thoughtcrime.securesms.glide;
+
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+
+import com.bumptech.glide.Priority;
+import com.bumptech.glide.load.DataSource;
+import com.bumptech.glide.load.data.DataFetcher;
+
+import org.thoughtcrime.securesms.contacts.avatars.ContactPhoto;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+class ContactPhotoFetcher implements DataFetcher<InputStream> {
+
+  private final Context   context;
+  private final ContactPhoto contactPhoto;
+
+  private InputStream inputStream;
+
+  ContactPhotoFetcher(@NonNull Context context, @NonNull ContactPhoto contactPhoto) {
+    this.context      = context.getApplicationContext();
+    this.contactPhoto = contactPhoto;
+  }
+
+  @Override
+  public void loadData(Priority priority, DataCallback<? super InputStream> callback) {
+    try {
+      inputStream = contactPhoto.openInputStream(context);
+      callback.onDataReady(inputStream);
+    } catch (IOException e) {
+      callback.onLoadFailed(e);
+    }
+  }
+
+  @Override
+  public void cleanup() {
+    try {
+      if (inputStream != null) inputStream.close();
+    } catch (IOException e) {}
+  }
+
+  @Override
+  public void cancel() {
+
+  }
+
+  @NonNull
+  @Override
+  public Class<InputStream> getDataClass() {
+    return InputStream.class;
+  }
+
+  @NonNull
+  @Override
+  public DataSource getDataSource() {
+    return DataSource.LOCAL;
+  }
+}

src/org/thoughtcrime/securesms/glide/ContactPhotoLoader.java

@@ -0,0 +1,50 @@
+package org.thoughtcrime.securesms.glide;
+
+import android.content.Context;
+import android.support.annotation.Nullable;
+
+import com.bumptech.glide.load.Options;
+import com.bumptech.glide.load.model.ModelLoader;
+import com.bumptech.glide.load.model.ModelLoaderFactory;
+import com.bumptech.glide.load.model.MultiModelLoaderFactory;
+
+import org.thoughtcrime.securesms.contacts.avatars.ContactPhoto;
+
+import java.io.InputStream;
+
+public class ContactPhotoLoader implements ModelLoader<ContactPhoto, InputStream> {
+
+  private final Context context;
+
+  private ContactPhotoLoader(Context context) {
+    this.context = context;
+  }
+
+  @Nullable
+  @Override
+  public LoadData<InputStream> buildLoadData(ContactPhoto contactPhoto, int width, int height, Options options) {
+    return new LoadData<>(contactPhoto, new ContactPhotoFetcher(context, contactPhoto));
+  }
+
+  @Override
+  public boolean handles(ContactPhoto contactPhoto) {
+    return true;
+  }
+
+  public static class Factory implements ModelLoaderFactory<ContactPhoto, InputStream> {
+
+    private final Context context;
+
+    public Factory(Context context) {
+      this.context = context.getApplicationContext();
+    }
+
+    @Override
+    public ModelLoader<ContactPhoto, InputStream> build(MultiModelLoaderFactory multiFactory) {
+      return new ContactPhotoLoader(context);
+    }
+
+    @Override
+    public void teardown() {}
+  }
+}