add support to preview twitter pic directly from clickable link on timeline

twidere.component.common/src/main/java/org/mariotaku/twidere/util/media/preview/PreviewMediaExtractor.java

@@ -10,6 +10,7 @@ import org.mariotaku.twidere.model.ParcelableMedia;
 import org.mariotaku.twidere.util.HtmlLinkExtractor;
 import org.mariotaku.twidere.util.media.preview.provider.InstagramProvider;
 import org.mariotaku.twidere.util.media.preview.provider.Provider;
+import org.mariotaku.twidere.util.media.preview.provider.TwitterPicProvider;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -22,7 +23,8 @@ import java.util.List;
 public class PreviewMediaExtractor {
 
     private static final Provider[] sProviders = {
-            new InstagramProvider()
+            new InstagramProvider(),
+            new TwitterPicProvider()
     };
 
     @Nullable

twidere.component.common/src/main/java/org/mariotaku/twidere/util/media/preview/provider/TwitterPicProvider.java

@@ -0,0 +1,49 @@
+package org.mariotaku.twidere.util.media.preview.provider;
+
+import android.net.Uri;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.Log;
+
+import org.mariotaku.restfu.http.RestHttpClient;
+import org.mariotaku.twidere.model.ParcelableMedia;
+import org.mariotaku.twidere.util.media.preview.PreviewMediaExtractor;
+
+import java.util.List;
+import java.util.Locale;
+
+/**
+ * Created by darkwhite on 1/16/16.
+ */
+public class TwitterPicProvider implements Provider {
+    @Override
+    public boolean supports(@NonNull String link) {
+        final String authority = PreviewMediaExtractor.getAuthority(link);
+        return "pbs.twimg.com".equals(authority) || "abs.twing.com".equals(authority);
+    }
+
+    @Nullable
+    @Override
+    public ParcelableMedia from(@NonNull String link) {
+        Log.i("image viewer","from() called with: " + "link = [" + link + "]");
+        final Uri uri = Uri.parse(link);
+        final ParcelableMedia media = new ParcelableMedia();
+        media.type = ParcelableMedia.Type.TYPE_IMAGE;
+        media.url = link;
+        if (link.contains("profile")) {
+            media.preview_url = link;
+            media.media_url = link;
+        } else {
+            media.preview_url = String.format(Locale.ROOT, "%s:medium", link);
+            media.media_url = String.format(Locale.ROOT, "%s:orig", link);
+        }
+
+        return media;
+    }
+
+    @Nullable
+    @Override
+    public ParcelableMedia from(@NonNull String link, @NonNull RestHttpClient client, @Nullable Object extra) {
+        return from(link);
+    }
+}