improve RichPreview

5 files changed, 357 insertions, 229 deletions

diff --git a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
index 12b1a5059..975e4f768 100644
--- a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
+++ b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
@@ -173,8 +173,6 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
     public Uri mPendingEditorContent = null;
     public FragmentConversationBinding binding;
     protected MessageAdapter messageListAdapter;
-    protected Message lastHistoryMessage = null;
-    SimpleDateFormat sdf = new SimpleDateFormat("EEEE, dd. MMM yyyy", Locale.getDefault());
     private String lastMessageUuid = null;
     private Conversation conversation;
     private Toast messageLoaderToast;
@@ -682,21 +680,6 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
         return -1;
     }
 
-    private ScrollState getScrollPosition(int pos, View view) {
-        final ListView listView = this.binding.messagesView;
-        if (listView.getCount() == 0 || listView.getLastVisiblePosition() == listView.getCount() - 1) {
-            return null;
-        } else {
-            //final int pos = listView.getFirstVisiblePosition();
-            //final View view = listView.getChildAt(0);
-            if (view == null) {
-                return null;
-            } else {
-                return new ScrollState(pos, view.getTop());
-            }
-        }
-    }
-
     private ScrollState getScrollPosition() {
         final ListView listView = this.binding == null ? null : this.binding.messagesView;
         if (listView == null || listView.getCount() == 0 || listView.getLastVisiblePosition() == listView.getCount() - 1) {
@@ -2958,75 +2941,6 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
         return true;
     }
 
-    public Message searchHistory(String query) {
-        return searchHistory(query, null);
-    }
-
-    public Message searchHistory(String query, Boolean ascendingSearch) {
-        return searchHistory(query, lastHistoryMessage, ascendingSearch);
-    }
-
-    /**
-     * Search through history from message basis either ascending or descending
-     *
-     * @param query           search term
-     * @param basis           message to start from. If null, start from last recent message
-     * @param ascendingSearch do we want to ascend or descend in our search?
-     *                        If this is null, ascend to first match and return.
-     * @return match or null
-     */
-    public Message searchHistory(String query, Message basis, Boolean ascendingSearch) {
-        int entryIndex;
-        Message message;
-        lastHistoryMessage = basis;
-        if (messageList.size() == 0) {
-            return null;
-        }
-        if (basis == null) {
-            entryIndex = messageList.size() - 1;
-        } else {
-            int in = getIndexOf(basis.getUuid(), messageList);
-            entryIndex = (in != -1 ? in : messageList.size() - 1);
-        }
-
-        int firstMatchIndex = entryIndex;
-        boolean entryIndexWasMatch = true;
-        do {
-            message = messageList.get(firstMatchIndex);
-            if (message.getType() == Message.TYPE_TEXT && messageContainsQuery(message, query)) {
-                lastHistoryMessage = message;
-                break;
-            }
-            entryIndexWasMatch = false;
-            firstMatchIndex = (messageList.size() + firstMatchIndex - 1) % messageList.size();
-        } while (entryIndex != firstMatchIndex);
-
-        if (!entryIndexWasMatch && entryIndex == firstMatchIndex) {
-            //No matches
-            return null;
-        }
-
-        if (ascendingSearch != null) {
-            int direction = ascendingSearch ? -1 : 1;
-            int nextMatchIndex = firstMatchIndex;
-            do {
-                nextMatchIndex = (messageList.size() + nextMatchIndex + direction) % messageList.size();
-                message = messageList.get(nextMatchIndex);
-                if (message.getType() == Message.TYPE_TEXT && messageContainsQuery(message, query)) {
-                    lastHistoryMessage = message;
-                    break;
-                }
-            } while (nextMatchIndex != entryIndex);
-        }
-
-        if (lastHistoryMessage != null) {
-            int pos = getIndexOf(lastHistoryMessage.getUuid(), messageList);
-            setScrollPosition(getScrollPosition(pos, getView()), null);
-            this.binding.messagesView.setSelection(pos);
-        }
-        return lastHistoryMessage;
-    }
-
     private boolean messageContainsQuery(Message m, String q) {
         return m != null && m.getMergedBody().toString().toLowerCase().contains(q.toLowerCase());
     }
diff --git a/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java b/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
index 8a2ca0b4d..8b93793c3 100644
--- a/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
+++ b/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
@@ -75,12 +75,13 @@ import de.pixart.messenger.utils.CryptoHelper;
 import de.pixart.messenger.utils.EmojiWrapper;
 import de.pixart.messenger.utils.Emoticons;
 import de.pixart.messenger.utils.GeoHelper;
+import de.pixart.messenger.utils.RichPreview;
 import de.pixart.messenger.utils.StylingHelper;
 import de.pixart.messenger.utils.UIHelper;
 import de.pixart.messenger.xmpp.mam.MamReference;
-import io.github.ponnamkarthik.richlinkpreview.ViewListener;
 import pl.droidsonroids.gif.GifImageView;
 
+import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
 import static de.pixart.messenger.ui.SettingsActivity.PLAY_GIF_INSIDE;
 import static de.pixart.messenger.ui.SettingsActivity.SHOW_LINKS_INSIDE;
 
@@ -104,6 +105,8 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
     private OnContactPictureClicked mOnContactPictureClickedListener;
     private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
     private boolean mIndicateReceived = false;
+    private boolean mPlayGifInside = false;
+    private boolean mShowLinksInside = false;
     private OnQuoteListener onQuoteListener;
 
     public MessageAdapter(XmppActivity activity, List<Message> messages) {
@@ -671,7 +674,6 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         viewHolder.audioPlayer.setVisibility(View.GONE);
         viewHolder.image.setVisibility(View.GONE);
         viewHolder.gifImage.setVisibility(View.GONE);
-        boolean showLinksInside = activity.getPreferences().getBoolean(SHOW_LINKS_INSIDE, activity.getResources().getBoolean(R.bool.show_links_inside));
         viewHolder.messageBody.setVisibility(View.VISIBLE);
         Editable body = new SpannableStringBuilder(message.getBody());
         if (darkBackground) {
@@ -685,10 +687,22 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         viewHolder.messageBody.setTextIsSelectable(true);
         viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
         listSelectionManager.onUpdate(viewHolder.messageBody, message);
-        boolean dataSaverDisabled = activity.xmppConnectionService.isDataSaverDisabled();
-        if (showLinksInside && dataSaverDisabled) {
-            viewHolder.richlinkview.setVisibility(View.VISIBLE);
-            viewHolder.richlinkview.setLink(body.toString(), new ViewListener() {
+        final boolean dataSaverDisabled = activity.xmppConnectionService.isDataSaverDisabled();
+        viewHolder.richlinkview.setVisibility(View.VISIBLE);
+        if (mShowLinksInside) {
+            double target = metrics.density * 200;
+            int scaledH;
+            if (Math.max(100, 100) * metrics.density <= target) {
+                scaledH = (int) (100 * metrics.density);
+            } else if (Math.max(100, 100) <= target) {
+                scaledH = 100;
+            } else {
+                scaledH = (int) (100 / ((double) 100 / target));
+            }
+            LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(WRAP_CONTENT, scaledH);
+            layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
+            viewHolder.richlinkview.setLayoutParams(layoutParams);
+            viewHolder.richlinkview.setLink(body.toString(), message.getUuid(), dataSaverDisabled, new RichPreview.ViewListener() {
 
                 @Override
                 public void onSuccess(boolean status) {
@@ -696,6 +710,8 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
 
                 @Override
                 public void onError(Exception e) {
+                    e.printStackTrace();
+                    viewHolder.richlinkview.setVisibility(View.GONE);
                 }
             });
         } else {
@@ -765,8 +781,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
             return;
         }
         String mime = file.getMimeType();
-        boolean playGifInside = activity.getPreferences().getBoolean(PLAY_GIF_INSIDE, activity.getResources().getBoolean(R.bool.play_gif_inside));
-        if (mime != null && mime.equals("image/gif") && playGifInside) {
+        if (mime != null && mime.equals("image/gif") && mPlayGifInside) {
             Log.d(Config.LOGTAG, "Gif Image file");
             viewHolder.image.setVisibility(View.GONE);
             viewHolder.gifImage.setVisibility(View.VISIBLE);
@@ -1151,6 +1166,8 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
     public void updatePreferences() {
         SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
         this.mIndicateReceived = p.getBoolean("indicate_received", activity.getResources().getBoolean(R.bool.indicate_received));
+        this.mPlayGifInside = p.getBoolean(PLAY_GIF_INSIDE, activity.getResources().getBoolean(R.bool.play_gif_inside));
+        this.mShowLinksInside = p.getBoolean(SHOW_LINKS_INSIDE, activity.getResources().getBoolean(R.bool.show_links_inside));
     }
 
     public void setHighlightedTerm(List<String> terms) {
diff --git a/src/main/java/de/pixart/messenger/ui/widget/RichLinkView.java b/src/main/java/de/pixart/messenger/ui/widget/RichLinkView.java
index 5a78e76b0..dbe6a4629 100644
--- a/src/main/java/de/pixart/messenger/ui/widget/RichLinkView.java
+++ b/src/main/java/de/pixart/messenger/ui/widget/RichLinkView.java
@@ -6,6 +6,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.support.annotation.RequiresApi;
 import android.util.AttributeSet;
+import android.util.DisplayMetrics;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
@@ -15,12 +16,9 @@ import android.widget.TextView;
 import com.squareup.picasso.Picasso;
 
 import de.pixart.messenger.R;
-import de.pixart.messenger.services.XmppConnectionService;
+import de.pixart.messenger.utils.MetaData;
 import de.pixart.messenger.utils.RichPreview;
-import io.github.ponnamkarthik.richlinkpreview.MetaData;
-import io.github.ponnamkarthik.richlinkpreview.ResponseListener;
-import io.github.ponnamkarthik.richlinkpreview.RichLinkListener;
-import io.github.ponnamkarthik.richlinkpreview.ViewListener;
+
 
 /**
  * Created by ponna on 16-01-2018.
@@ -36,15 +34,12 @@ public class RichLinkView extends RelativeLayout {
     ImageView imageView;
     TextView textViewTitle;
     TextView textViewDesp;
-    TextView textViewUrl;
 
     private String main_url;
 
     private boolean isDefaultClick = true;
 
-    private RichLinkListener richLinkListener;
-
-    private XmppConnectionService mXmppConnectionService;
+    private RichPreview.RichLinkListener richLinkListener;
 
     public RichLinkView(Context context) {
         super(context);
@@ -73,7 +68,7 @@ public class RichLinkView extends RelativeLayout {
     }
 
 
-    public void initView() {
+    public void initView(final boolean dataSaverDisabled) {
         if (findLinearLayoutChild() != null) {
             this.view = findLinearLayoutChild();
         } else {
@@ -84,36 +79,43 @@ public class RichLinkView extends RelativeLayout {
         imageView = findViewById(R.id.rich_link_image);
         textViewTitle = findViewById(R.id.rich_link_title);
         textViewDesp = findViewById(R.id.rich_link_desp);
-        textViewUrl = findViewById(R.id.rich_link_url);
-
+        imageView.setAdjustViewBounds(true);
         if (!meta.getImageurl().equals("") || !meta.getImageurl().isEmpty()
                 && !meta.getTitle().isEmpty() || !meta.getTitle().equals("")
                 && !meta.getUrl().isEmpty() || !meta.getUrl().equals("")
                 && !meta.getDescription().isEmpty() || !meta.getDescription().equals("")) {
             linearLayout.setVisibility(VISIBLE);
         } else {
-            linearLayout.setVisibility(GONE);
+            linearLayout.setVisibility(VISIBLE);
         }
-        if (meta.getImageurl().equals("") || meta.getImageurl().isEmpty()) {
-            imageView.setVisibility(GONE);
+        if (!meta.getImageurl().equals("") && !meta.getImageurl().isEmpty()) {
+            if (!dataSaverDisabled) {
+                Picasso.get()
+                        .load(R.drawable.ic_web_grey600_48)
+                        .into(imageView);
+            } else {
+                imageView.setVisibility(VISIBLE);
+                Picasso.get()
+                        .load(meta.getImageurl())
+                        .resize(80, 80)
+                        .onlyScaleDown()
+                        .centerInside()
+                        .placeholder(R.drawable.ic_web_grey600_48)
+                        .into(imageView);
+            }
         } else {
             imageView.setVisibility(VISIBLE);
             Picasso.get()
-                    .load(meta.getImageurl())
+                    .load(R.drawable.ic_web_grey600_48)
                     .into(imageView);
         }
         if (meta.getTitle().isEmpty() || meta.getTitle().equals("")) {
-            textViewTitle.setVisibility(GONE);
+            textViewTitle.setVisibility(VISIBLE);
+            textViewTitle.setText(meta.getUrl());
         } else {
             textViewTitle.setVisibility(VISIBLE);
             textViewTitle.setText(meta.getTitle());
         }
-        if (meta.getUrl().isEmpty() || meta.getUrl().equals("")) {
-            textViewUrl.setVisibility(GONE);
-        } else {
-            textViewUrl.setVisibility(GONE);
-            textViewUrl.setText(meta.getUrl());
-        }
         if (meta.getDescription().isEmpty() || meta.getDescription().equals("")) {
             textViewDesp.setVisibility(GONE);
         } else {
@@ -143,7 +145,7 @@ public class RichLinkView extends RelativeLayout {
         isDefaultClick = isDefault;
     }
 
-    public void setClickListener(RichLinkListener richLinkListener1) {
+    public void setClickListener(RichPreview.RichLinkListener richLinkListener1) {
         richLinkListener = richLinkListener1;
     }
 
@@ -156,23 +158,23 @@ public class RichLinkView extends RelativeLayout {
 
     public void setLinkFromMeta(MetaData metaData) {
         meta = metaData;
-        initView();
+        initView(true);
     }
 
     public MetaData getMetaData() {
         return meta;
     }
 
-    public void setLink(String url, final ViewListener viewListener) {
+    public void setLink(final String url, final String filename, final boolean dataSaverDisabled, final RichPreview.ViewListener viewListener) {
         main_url = url;
-        RichPreview richPreview = new RichPreview(new ResponseListener() {
+        RichPreview richPreview = new RichPreview(new RichPreview.ResponseListener() {
             @Override
             public void onData(MetaData metaData) {
                 meta = metaData;
                 if (!meta.getTitle().isEmpty() || !meta.getTitle().equals("")) {
                     viewListener.onSuccess(true);
                 }
-                initView();
+                initView(dataSaverDisabled);
             }
 
             @Override
@@ -180,6 +182,6 @@ public class RichLinkView extends RelativeLayout {
                 viewListener.onError(e);
             }
         });
-        richPreview.getPreview(url);
+        richPreview.getPreview(url, filename, context);
     }
 }
diff --git a/src/main/java/de/pixart/messenger/utils/MetaData.java b/src/main/java/de/pixart/messenger/utils/MetaData.java
new file mode 100644
index 000000000..7d6940f4a
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/utils/MetaData.java
@@ -0,0 +1,74 @@
+package de.pixart.messenger.utils;
+
+/**
+ * Created by ponna on 16-01-2018.
+ */
+
+import java.io.Serializable;
+
+public class MetaData implements Serializable {
+
+    private String url = "";
+    private String imageurl = "";
+    private String title = "";
+    private String description = "";
+    private String sitename = "";
+    private String mediatype = "";
+    private String favicon = "";
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public String getImageurl() {
+        return imageurl;
+    }
+
+    public void setImageurl(String imageurl) {
+        this.imageurl = imageurl;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public String getSitename() {
+        return sitename;
+    }
+
+    public void setSitename(String sitename) {
+        this.sitename = sitename;
+    }
+
+    public String getMediatype() {
+        return mediatype;
+    }
+
+    public void setMediatype(String mediatype) {
+        this.mediatype = mediatype;
+    }
+
+    public String getFavicon() {
+        return favicon;
+    }
+
+    public void setFavicon(String favicon) {
+        this.favicon = favicon;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/pixart/messenger/utils/RichPreview.java b/src/main/java/de/pixart/messenger/utils/RichPreview.java
index 639a02c8d..63835228d 100644
--- a/src/main/java/de/pixart/messenger/utils/RichPreview.java
+++ b/src/main/java/de/pixart/messenger/utils/RichPreview.java
@@ -1,19 +1,28 @@
 package de.pixart.messenger.utils;
 
+import android.content.Context;
 import android.os.AsyncTask;
+import android.view.View;
 import android.webkit.URLUtil;
 
+import org.json.JSONObject;
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 import org.jsoup.select.Elements;
 
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
 import java.net.URI;
 import java.net.URISyntaxException;
 
-import io.github.ponnamkarthik.richlinkpreview.MetaData;
-import io.github.ponnamkarthik.richlinkpreview.ResponseListener;
+import de.pixart.messenger.Config;
 
 /**
  * Created by ponna on 16-01-2018.
@@ -21,134 +30,78 @@ import io.github.ponnamkarthik.richlinkpreview.ResponseListener;
 
 public class RichPreview {
 
-    MetaData metaData;
-    ResponseListener responseListener;
-    String url;
+    private static final String RICH_LINK_METADATA = "richlink_meta_data";
+    private MetaData metaData;
+    private ResponseListener responseListener;
+    private String url;
+    private String filename;
+    private Context context;
 
     public RichPreview(ResponseListener responseListener) {
         this.responseListener = responseListener;
         metaData = new MetaData();
     }
 
-    public void getPreview(String url) {
+    public void getPreview(final String url, final String filename, final Context context) {
         this.url = url;
-        new RichPreview.getData().execute();
+        this.filename = filename;
+        this.context = context;
+        new getData().execute();
     }
 
     private class getData extends AsyncTask<Void, Void, Void> {
 
         @Override
         protected Void doInBackground(Void... params) {
-            Document doc = null;
+            FileInputStream fis = null;
+            ObjectInputStream is = null;
+            final File file = new File(context.getCacheDir(), RICH_LINK_METADATA + "/" + filename);
             try {
-                doc = Jsoup.connect(url)
-                        .timeout(30 * 1000)
-                        .get();
-
-                Elements elements = doc.getElementsByTag("meta");
-
-                // getTitle doc.select("meta[property=og:title]")
-                String title = doc.select("meta[property=og:title]").attr("content");
-
-                if (title == null || title.isEmpty()) {
-                    title = doc.title();
+                fis = new FileInputStream(file);
+                InputStreamReader isr = new InputStreamReader(fis);
+                BufferedReader bufferedReader = new BufferedReader(isr);
+                StringBuilder sb = new StringBuilder();
+                String line;
+                while ((line = bufferedReader.readLine()) != null) {
+                    sb.append(line);
                 }
-                metaData.setTitle(title);
-
-                //getDescription
-                String description = doc.select("meta[name=description]").attr("content");
-                if (description.isEmpty() || description == null) {
-                    description = doc.select("meta[name=Description]").attr("content");
+                String string = sb.substring(sb.indexOf("{"), sb.lastIndexOf("}") + 1);
+                JSONObject json = new JSONObject(string);
+                if (json.has("url")) {
+                    metaData.setUrl(json.getString("url"));
                 }
-                if (description.isEmpty() || description == null) {
-                    description = doc.select("meta[property=og:description]").attr("content");
+                if (json.has("imageurl")) {
+                    metaData.setImageurl(json.getString("imageurl"));
                 }
-                if (description.isEmpty() || description == null) {
-                    description = "";
+                if (json.has("title")) {
+                    metaData.setTitle(json.getString("title"));
                 }
-                metaData.setDescription(description);
-
-
-                // getMediaType
-                Elements mediaTypes = doc.select("meta[name=medium]");
-                String type = "";
-                if (mediaTypes.size() > 0) {
-                    String media = mediaTypes.attr("content");
-
-                    type = media.equals("image") ? "photo" : media;
-                } else {
-                    type = doc.select("meta[property=og:type]").attr("content");
-                }
-                metaData.setMediatype(type);
-
-
-                //getImages
-                Elements imageElements = doc.select("meta[property=og:image]");
-                if (imageElements.size() > 0) {
-                    String image = imageElements.attr("content");
-                    if (!image.isEmpty()) {
-                        metaData.setImageurl(resolveURL(url, image));
-                    }
+                if (json.has("description")) {
+                    metaData.setDescription(json.getString("description"));
                 }
-                if (metaData.getImageurl().isEmpty()) {
-                    String src = doc.select("link[rel=image_src]").attr("href");
-                    if (!src.isEmpty()) {
-                        metaData.setImageurl(resolveURL(url, src));
-                    } else {
-                        src = doc.select("link[rel=apple-touch-icon]").attr("href");
-                        if (!src.isEmpty()) {
-                            metaData.setImageurl(resolveURL(url, src));
-                            metaData.setFavicon(resolveURL(url, src));
-                        } else {
-                            src = doc.select("link[rel=icon]").attr("href");
-                            if (!src.isEmpty()) {
-                                metaData.setImageurl(resolveURL(url, src));
-                                metaData.setFavicon(resolveURL(url, src));
-                            }
-                        }
-                    }
+                if (json.has("sitename")) {
+                    metaData.setSitename(json.getString("sitename"));
                 }
-
-                //Favicon
-                String src = doc.select("link[rel=apple-touch-icon]").attr("href");
-                if (!src.isEmpty()) {
-                    metaData.setFavicon(resolveURL(url, src));
-                } else {
-                    src = doc.select("link[rel=icon]").attr("href");
-                    if (!src.isEmpty()) {
-                        metaData.setFavicon(resolveURL(url, src));
-                    }
+                if (json.has("mediatype")) {
+                    metaData.setMediatype(json.getString("mediatype"));
                 }
-
-                for (Element element : elements) {
-                    if (element.hasAttr("property")) {
-                        String str_property = element.attr("property").toString().trim();
-                        if (str_property.equals("og:url")) {
-                            metaData.setUrl(element.attr("content").toString());
-                        }
-                        if (str_property.equals("og:site_name")) {
-                            metaData.setSitename(element.attr("content").toString());
-                        }
-                    }
+                if (json.has("favicon")) {
+                    metaData.setFavicon(json.getString("favicon"));
                 }
-
-                if (metaData.getUrl().equals("") || metaData.getUrl().isEmpty()) {
-                    URI uri = null;
-                    try {
-                        uri = new URI(url);
-                    } catch (URISyntaxException e) {
-                        e.printStackTrace();
+            } catch (Exception e) {
+                retrieveMeta(url, context);
+                e.printStackTrace();
+            } finally {
+                try {
+                    if (fis != null) {
+                        fis.close();
                     }
-                    if (url == null) {
-                        metaData.setUrl(url);
-                    } else {
-                        metaData.setUrl(uri != null ? uri.getHost() : null);
+                    if (is != null) {
+                        is.close();
                     }
+                } catch (Exception e) {
+                    e.printStackTrace();
                 }
-
-            } catch (IOException e) {
-                e.printStackTrace();
-                responseListener.onError(new Exception("No Html Received from " + url + " Check your Internet " + e.getLocalizedMessage()));
             }
             return null;
         }
@@ -174,5 +127,173 @@ public class RichPreview {
             return base_uri != null ? base_uri.toString() : null;
         }
     }
-}
 
+    private void saveMeta(MetaData metaData, Context context) {
+        final File file = new File(context.getCacheDir(), RICH_LINK_METADATA + "/" + filename);
+        file.getParentFile().mkdirs();
+        FileOutputStream fos = null;
+        ObjectOutputStream oos = null;
+        boolean keep = true;
+        try {
+            fos = new FileOutputStream(file);
+            oos = new ObjectOutputStream(fos);
+            JSONObject json = new JSONObject();
+            json.put("url", metaData.getUrl());
+            json.put("imageurl", metaData.getImageurl());
+            json.put("title", metaData.getTitle());
+            json.put("description", metaData.getDescription());
+            json.put("sitename", metaData.getSitename());
+            json.put("mediatype", metaData.getMediatype());
+            json.put("favicon", metaData.getFavicon());
+            oos.writeObject(json.toString());
+        } catch (Exception e) {
+            e.printStackTrace();
+            keep = false;
+        } finally {
+            try {
+                if (oos != null) oos.close();
+                if (fos != null) fos.close();
+                if (!keep) file.delete();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    private void retrieveMeta(String url, Context context) {
+        Document doc = null;
+        try {
+            doc = Jsoup.connect(url)
+                    .timeout(Config.CONNECT_TIMEOUT * 1000)
+                    .get();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        Elements elements = null;
+        if (doc != null) {
+            elements = doc.getElementsByTag("meta");
+
+            // getTitle doc.select("meta[property=og:title]")
+            String title = doc.select("meta[property=og:title]").attr("content");
+
+            if (title == null || title.isEmpty()) {
+                title = doc.title();
+            }
+            metaData.setTitle(title);
+
+            //getDescription
+            String description = doc.select("meta[name=description]").attr("content");
+            if (description == null || description.isEmpty()) {
+                description = doc.select("meta[name=Description]").attr("content");
+            }
+            if (description == null || description.isEmpty()) {
+                description = doc.select("meta[property=og:description]").attr("content");
+            }
+            if (description == null || description.isEmpty()) {
+                description = "";
+            }
+            metaData.setDescription(description);
+
+
+            // getMediaType
+            Elements mediaTypes = doc.select("meta[name=medium]");
+            String type = "";
+            if (mediaTypes.size() > 0) {
+                String media = mediaTypes.attr("content");
+
+                type = media.equals("image") ? "photo" : media;
+            } else {
+                type = doc.select("meta[property=og:type]").attr("content");
+            }
+            metaData.setMediatype(type);
+
+
+            //getImages
+            Elements imageElements = doc.select("meta[property=og:image]");
+            if (imageElements.size() > 0) {
+                String image = imageElements.attr("content");
+                if (!image.isEmpty()) {
+                    metaData.setImageurl(resolveURL(url, image));
+                }
+            }
+            if (metaData.getImageurl().isEmpty()) {
+                String src = doc.select("link[rel=image_src]").attr("href");
+                if (!src.isEmpty()) {
+                    metaData.setImageurl(resolveURL(url, src));
+                } else {
+                    src = doc.select("link[rel=apple-touch-icon]").attr("href");
+                    if (!src.isEmpty()) {
+                        metaData.setImageurl(resolveURL(url, src));
+                        metaData.setFavicon(resolveURL(url, src));
+                    } else {
+                        src = doc.select("link[rel=icon]").attr("href");
+                        if (!src.isEmpty()) {
+                            metaData.setImageurl(resolveURL(url, src));
+                            metaData.setFavicon(resolveURL(url, src));
+                        }
+                    }
+                }
+            }
+
+            //Favicon
+            String src = doc.select("link[rel=apple-touch-icon]").attr("href");
+            if (!src.isEmpty()) {
+                metaData.setFavicon(resolveURL(url, src));
+            } else {
+                src = doc.select("link[rel=icon]").attr("href");
+                if (!src.isEmpty()) {
+                    metaData.setFavicon(resolveURL(url, src));
+                }
+            }
+        }
+
+        if (elements != null) {
+            for (Element element : elements) {
+                if (element.hasAttr("property")) {
+                    String str_property = element.attr("property").trim();
+                    if (str_property.equals("og:url")) {
+                        metaData.setUrl(element.attr("content"));
+                    }
+                    if (str_property.equals("og:site_name")) {
+                        metaData.setSitename(element.attr("content"));
+                    }
+                }
+            }
+        }
+
+        if (metaData.getUrl().equals("") || metaData.getUrl().isEmpty()) {
+            URI uri = null;
+            try {
+                uri = new URI(url);
+            } catch (URISyntaxException e) {
+                e.printStackTrace();
+            }
+            if (url == null) {
+                metaData.setUrl(url);
+            } else {
+                metaData.setUrl(uri != null ? uri.getHost() : null);
+            }
+        }
+        saveMeta(metaData, context);
+    }
+
+    public interface ResponseListener {
+
+        void onData(MetaData metaData);
+
+        void onError(Exception e);
+    }
+
+    public interface RichLinkListener {
+
+        void onClicked(View view, MetaData meta);
+    }
+
+    public interface ViewListener {
+
+        void onSuccess(boolean status);
+
+        void onError(Exception e);
+    }
+}
\ No newline at end of file