show web link previews in chat

fixes #113

12 files changed, 329 insertions, 16 deletions

diff --git a/build.gradle b/build.gradle
index 00a3ef732..037813199 100644
--- a/build.gradle
+++ b/build.gradle
@@ -69,7 +69,6 @@ dependencies {
     implementation 'com.android.support:exifinterface:28.0.0'
     implementation 'com.android.support:design:28.0.0'
     implementation 'com.android.support:cardview-v7:28.0.0'
-    implementation 'com.github.bumptech.glide:glide:3.8.0'
     implementation 'com.davemorrissey.labs:subsampling-scale-image-view:3.10.0'
     implementation 'com.github.rtoshiro.fullscreenvideoview:fullscreenvideoview:1.1.3'
     implementation 'pub.devrel:easypermissions:2.0.0'
@@ -81,7 +80,9 @@ dependencies {
     implementation 'pl.droidsonroids.gif:android-gif-drawable:1.2.15' // last working version for minSDK 16
     implementation 'me.drakeet.support:toastcompat:1.1.0'
     implementation 'org.osmdroid:osmdroid-android:6.0.3'
-    implementation "com.leinardi.android:speed-dial:2.0.1"
+    implementation 'com.leinardi.android:speed-dial:2.0.1'
+    implementation 'io.github.ponnamkarthik:richlinkpreview:1.0.9'
+    implementation 'com.squareup.picasso:picasso:2.71828'
 }
 
 ext {
diff --git a/src/main/java/de/pixart/messenger/entities/Message.java b/src/main/java/de/pixart/messenger/entities/Message.java
index ba44a10ae..178a8e425 100644
--- a/src/main/java/de/pixart/messenger/entities/Message.java
+++ b/src/main/java/de/pixart/messenger/entities/Message.java
@@ -5,6 +5,7 @@ import android.database.Cursor;
 import android.graphics.Color;
 import android.text.SpannableStringBuilder;
 import android.util.Log;
+import android.webkit.URLUtil;
 
 import java.lang.ref.WeakReference;
 import java.net.MalformedURLException;
@@ -14,15 +15,18 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
+import java.util.regex.Pattern;
 
 import de.pixart.messenger.Config;
 import de.pixart.messenger.crypto.axolotl.FingerprintStatus;
 import de.pixart.messenger.services.AvatarService;
+import de.pixart.messenger.ui.util.MyLinkify;
 import de.pixart.messenger.utils.CryptoHelper;
 import de.pixart.messenger.utils.Emoticons;
 import de.pixart.messenger.utils.GeoHelper;
 import de.pixart.messenger.utils.MessageUtils;
 import de.pixart.messenger.utils.MimeUtils;
+import de.pixart.messenger.utils.Patterns;
 import de.pixart.messenger.utils.UIHelper;
 import de.pixart.messenger.utils.XmppUri;
 import rocks.xmpp.addr.Jid;
@@ -108,6 +112,7 @@ public class Message extends AbstractEntity implements AvatarService.Avatarable
 
     private Boolean isGeoUri = null;
     private Boolean isXmppUri = null;
+    private Boolean isWebUri = null;
     private Boolean isEmojisOnly = null;
     private Boolean treatAsDownloadable = null;
     private FileParams fileParams = null;
@@ -602,6 +607,7 @@ public class Message extends AbstractEntity implements AvatarService.Avatarable
                         this.getBody().length() + message.getBody().length() <= Config.MAX_DISPLAY_MESSAGE_CHARS &&
                         !message.isGeoUri()&&
                         !this.isGeoUri() &&
+                        !this.isWebUri() &&
                         !message.treatAsDownloadable() &&
                         !this.treatAsDownloadable() &&
                         !message.getBody().startsWith(ME_COMMAND) &&
@@ -767,7 +773,7 @@ public class Message extends AbstractEntity implements AvatarService.Avatarable
 
     public synchronized boolean isXmppUri() {
         if (isXmppUri == null) {
-            isXmppUri = XmppUri.isXmppUri(body.trim());
+            isXmppUri = XmppUri.XMPP_URI.matcher(body).matches();
         }
         return isXmppUri;
     }
@@ -779,6 +785,14 @@ public class Message extends AbstractEntity implements AvatarService.Avatarable
         return isGeoUri;
     }
 
+    public synchronized boolean isWebUri() {
+        String url = body.toLowerCase().trim();
+        if (isWebUri == null) {
+            isWebUri = URLUtil.isValidUrl(url) && Patterns.WEB_URL.matcher(url).matches();
+        }
+        return isWebUri;
+    }
+
     public synchronized void resetFileParams() {
         this.fileParams = null;
     }
diff --git a/src/main/java/de/pixart/messenger/ui/SettingsActivity.java b/src/main/java/de/pixart/messenger/ui/SettingsActivity.java
index ecae24588..a7076f4c5 100644
--- a/src/main/java/de/pixart/messenger/ui/SettingsActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/SettingsActivity.java
@@ -60,6 +60,7 @@ public class SettingsActivity extends XmppActivity implements
     public static final String QUICK_SHARE_ATTACHMENT_CHOICE = "quick_share_attachment_choice";
     public static final String NUMBER_OF_ACCOUNTS = "number_of_accounts";
     public static final String PLAY_GIF_INSIDE = "play_gif_inside";
+    public static final String SHOW_LINKS_INSIDE = "show_links_inside";
     public static final String PREFER_XMPP_AVATAR = "prefer_xmpp_avatar";
 
     public static final int REQUEST_CREATE_BACKUP = 0xbf8701;
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 7e3d26728..897e37e85 100644
--- a/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
+++ b/src/main/java/de/pixart/messenger/ui/adapter/MessageAdapter.java
@@ -10,6 +10,7 @@ import android.net.Uri;
 import android.preference.PreferenceManager;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.content.ContextCompat;
+import android.text.Editable;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
@@ -35,8 +36,7 @@ import android.widget.RelativeLayout;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.bumptech.glide.Glide;
-import com.bumptech.glide.load.engine.DiskCacheStrategy;
+import com.squareup.picasso.Picasso;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URL;
@@ -70,6 +70,7 @@ import de.pixart.messenger.ui.util.ViewUtil;
 import de.pixart.messenger.ui.widget.ClickableMovementMethod;
 import de.pixart.messenger.ui.widget.CopyTextView;
 import de.pixart.messenger.ui.widget.ListSelectionManager;
+import de.pixart.messenger.ui.widget.RichLinkView;
 import de.pixart.messenger.utils.CryptoHelper;
 import de.pixart.messenger.utils.EmojiWrapper;
 import de.pixart.messenger.utils.Emoticons;
@@ -77,9 +78,11 @@ import de.pixart.messenger.utils.GeoHelper;
 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 de.pixart.messenger.ui.SettingsActivity.PLAY_GIF_INSIDE;
+import static de.pixart.messenger.ui.SettingsActivity.SHOW_LINKS_INSIDE;
 
 public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
 
@@ -356,6 +359,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         viewHolder.audioPlayer.setVisibility(View.GONE);
         viewHolder.image.setVisibility(View.GONE);
         viewHolder.gifImage.setVisibility(View.GONE);
+        viewHolder.richlinkview.setVisibility(View.GONE);
         viewHolder.messageBody.setVisibility(View.VISIBLE);
         viewHolder.messageBody.setText(text);
         if (darkBackground) {
@@ -371,6 +375,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         viewHolder.audioPlayer.setVisibility(View.GONE);
         viewHolder.image.setVisibility(View.GONE);
         viewHolder.gifImage.setVisibility(View.GONE);
+        viewHolder.richlinkview.setVisibility(View.GONE);
         viewHolder.messageBody.setVisibility(View.VISIBLE);
         if (darkBackground) {
             viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji_OnDark);
@@ -415,6 +420,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         });
         viewHolder.image.setVisibility(View.GONE);
         viewHolder.gifImage.setVisibility(View.GONE);
+        viewHolder.richlinkview.setVisibility(View.GONE);
         viewHolder.messageBody.setVisibility(View.GONE);
 
     }
@@ -490,6 +496,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         viewHolder.download_button.setVisibility(View.GONE);
         viewHolder.image.setVisibility(View.GONE);
         viewHolder.gifImage.setVisibility(View.GONE);
+        viewHolder.richlinkview.setVisibility(View.GONE);
         viewHolder.audioPlayer.setVisibility(View.GONE);
         viewHolder.messageBody.setVisibility(View.VISIBLE);
         if (darkBackground) {
@@ -587,6 +594,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         viewHolder.audioPlayer.setVisibility(View.GONE);
         viewHolder.image.setVisibility(View.GONE);
         viewHolder.gifImage.setVisibility(View.GONE);
+        viewHolder.richlinkview.setVisibility(View.GONE);
         viewHolder.messageBody.setVisibility(View.GONE);
         viewHolder.download_button.setVisibility(View.VISIBLE);
         viewHolder.download_button.setText(text);
@@ -598,6 +606,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         viewHolder.audioPlayer.setVisibility(View.GONE);
         viewHolder.image.setVisibility(View.GONE);
         viewHolder.gifImage.setVisibility(View.GONE);
+        viewHolder.richlinkview.setVisibility(View.GONE);
         viewHolder.messageBody.setVisibility(View.GONE);
         viewHolder.download_button.setVisibility(View.VISIBLE);
         final String mimeType = message.getMimeType();
@@ -658,12 +667,45 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message) + VCardName));
     }
 
+    private void displayRichLinkMessage(ViewHolder viewHolder, final Message message, boolean darkBackground) {
+        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().toLowerCase());
+        if (darkBackground) {
+            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_OnDark);
+        } else {
+            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1);
+        }
+        MyLinkify.addLinks(body, false);
+        viewHolder.messageBody.setAutoLinkMask(0);
+        viewHolder.messageBody.setText(EmojiWrapper.transform(body));
+        if (showLinksInside) {
+            viewHolder.richlinkview.setVisibility(View.VISIBLE);
+            viewHolder.richlinkview.setLink(body.toString(), new ViewListener() {
+
+                @Override
+                public void onSuccess(boolean status) {
+                }
+
+                @Override
+                public void onError(Exception e) {
+                }
+            });
+        } else {
+            viewHolder.richlinkview.setVisibility(View.GONE);
+        }
+    }
+
     private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
         viewHolder.audioPlayer.setVisibility(View.GONE);
         viewHolder.messageBody.setVisibility(View.GONE);
         String url = GeoHelper.MapPreviewUri(message);
         viewHolder.image.setVisibility(View.VISIBLE);
         viewHolder.gifImage.setVisibility(View.GONE);
+        viewHolder.richlinkview.setVisibility(View.GONE);
         double target = metrics.density * 200;
         int scaledW;
         int scaledH;
@@ -681,12 +723,9 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
         viewHolder.image.setLayoutParams(layoutParams);
         viewHolder.image.setOnClickListener(v -> showLocation(message));
-        Glide
-                .with(activity)
+        Picasso
+                .get()
                 .load(Uri.parse(url))
-                .asBitmap()
-                .diskCacheStrategy(DiskCacheStrategy.ALL)
-                .fitCenter()
                 .placeholder(R.drawable.ic_map_marker_grey600_48dp)
                 .error(R.drawable.ic_map_marker_grey600_48dp)
                 .into(viewHolder.image);
@@ -702,6 +741,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
     private void displayAudioMessage(ViewHolder viewHolder, Message message, boolean darkBackground) {
         viewHolder.image.setVisibility(View.GONE);
         viewHolder.gifImage.setVisibility(View.GONE);
+        viewHolder.richlinkview.setVisibility(View.GONE);
         viewHolder.messageBody.setVisibility(View.GONE);
         viewHolder.download_button.setVisibility(View.GONE);
         final RelativeLayout audioPlayer = viewHolder.audioPlayer;
@@ -714,6 +754,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         viewHolder.download_button.setVisibility(View.GONE);
         viewHolder.messageBody.setVisibility(View.GONE);
         viewHolder.audioPlayer.setVisibility(View.GONE);
+        viewHolder.richlinkview.setVisibility(View.GONE);
         DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
         if (!file.exists()) {
             Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
@@ -821,6 +862,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
                     viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
                     viewHolder.image = view.findViewById(R.id.message_image);
                     viewHolder.gifImage = view.findViewById(R.id.message_image_gif);
+                    viewHolder.richlinkview = view.findViewById(R.id.richLinkView);
                     viewHolder.messageBody = view.findViewById(R.id.message_body);
                     viewHolder.time = view.findViewById(R.id.message_time);
                     viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
@@ -836,6 +878,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
                     viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
                     viewHolder.image = view.findViewById(R.id.message_image);
                     viewHolder.gifImage = view.findViewById(R.id.message_image_gif);
+                    viewHolder.richlinkview = view.findViewById(R.id.richLinkView);
                     viewHolder.messageBody = view.findViewById(R.id.message_body);
                     viewHolder.time = view.findViewById(R.id.message_time);
                     viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
@@ -964,6 +1007,8 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         } else {
             if (message.isGeoUri()) {
                 displayLocationMessage(viewHolder, message);
+            } else if (message.isWebUri()) {
+                displayRichLinkMessage(viewHolder, message, darkBackground);
             } else if (message.bodyIsOnlyEmojis() && message.getType() != Message.TYPE_PRIVATE) {
                 displayEmojiMessage(viewHolder, message.getBody().trim(), darkBackground);
             } else if (message.isXmppUri()) {
@@ -1130,6 +1175,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         protected Button resend_button;
         protected ImageView image;
         protected GifImageView gifImage;
+        protected RichLinkView richlinkview;
         protected ImageView indicator;
         protected ImageView indicatorReceived;
         protected ImageView indicatorRead;
diff --git a/src/main/java/de/pixart/messenger/ui/util/MyLinkify.java b/src/main/java/de/pixart/messenger/ui/util/MyLinkify.java
index 4b276e392..59de9be6d 100644
--- a/src/main/java/de/pixart/messenger/ui/util/MyLinkify.java
+++ b/src/main/java/de/pixart/messenger/ui/util/MyLinkify.java
@@ -34,6 +34,7 @@ import android.text.Editable;
 import android.text.util.Linkify;
 
 import java.util.Locale;
+import java.util.regex.Pattern;
 
 import de.pixart.messenger.ui.text.FixedURLSpan;
 import de.pixart.messenger.utils.GeoHelper;
diff --git a/src/main/java/de/pixart/messenger/ui/widget/RichLinkView.java b/src/main/java/de/pixart/messenger/ui/widget/RichLinkView.java
new file mode 100644
index 000000000..29f04970d
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/widget/RichLinkView.java
@@ -0,0 +1,184 @@
+package de.pixart.messenger.ui.widget;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Build;
+import android.support.annotation.RequiresApi;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+import com.squareup.picasso.Picasso;
+
+import de.pixart.messenger.R;
+import io.github.ponnamkarthik.richlinkpreview.MetaData;
+import io.github.ponnamkarthik.richlinkpreview.ResponseListener;
+import io.github.ponnamkarthik.richlinkpreview.RichLinkListener;
+import io.github.ponnamkarthik.richlinkpreview.RichPreview;
+import io.github.ponnamkarthik.richlinkpreview.ViewListener;
+
+/**
+ * Created by ponna on 16-01-2018.
+ */
+
+public class RichLinkView extends RelativeLayout {
+
+    private View view;
+    Context context;
+    private MetaData meta;
+
+    LinearLayout linearLayout;
+    ImageView imageView;
+    TextView textViewTitle;
+    TextView textViewDesp;
+    TextView textViewUrl;
+
+    private String main_url;
+
+    private boolean isDefaultClick = true;
+
+    private RichLinkListener richLinkListener;
+
+
+    public RichLinkView(Context context) {
+        super(context);
+        this.context = context;
+    }
+
+    public RichLinkView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.context = context;
+    }
+
+    public RichLinkView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        this.context = context;
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
+    public RichLinkView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        this.context = context;
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+    }
+
+
+    public void initView() {
+        if (findLinearLayoutChild() != null) {
+            this.view = findLinearLayoutChild();
+        } else {
+            this.view = this;
+            inflate(context, R.layout.link_layout, this);
+        }
+        linearLayout = findViewById(R.id.rich_link_card);
+        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);
+
+        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);
+        }
+        if (meta.getImageurl().equals("") || meta.getImageurl().isEmpty()) {
+            imageView.setVisibility(GONE);
+        } else {
+            imageView.setVisibility(VISIBLE);
+            Picasso.get()
+                    .load(meta.getImageurl())
+                    .into(imageView);
+        }
+        if (meta.getTitle().isEmpty() || meta.getTitle().equals("")) {
+            textViewTitle.setVisibility(GONE);
+        } 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 {
+            textViewDesp.setVisibility(VISIBLE);
+            textViewDesp.setText(meta.getDescription());
+        }
+
+        linearLayout.setOnClickListener(view -> {
+            if (isDefaultClick) {
+                richLinkClicked();
+            } else {
+                if (richLinkListener != null) {
+                    richLinkListener.onClicked(view, meta);
+                } else {
+                    richLinkClicked();
+                }
+            }
+        });
+    }
+
+    private void richLinkClicked() {
+        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(main_url));
+        context.startActivity(intent);
+    }
+
+    public void setDefaultClickListener(boolean isDefault) {
+        isDefaultClick = isDefault;
+    }
+
+    public void setClickListener(RichLinkListener richLinkListener1) {
+        richLinkListener = richLinkListener1;
+    }
+
+    protected LinearLayout findLinearLayoutChild() {
+        if (getChildCount() > 0 && getChildAt(0) instanceof LinearLayout) {
+            return (LinearLayout) getChildAt(0);
+        }
+        return null;
+    }
+
+    public void setLinkFromMeta(MetaData metaData) {
+        meta = metaData;
+        initView();
+    }
+
+    public MetaData getMetaData() {
+        return meta;
+    }
+
+    public void setLink(String url, final ViewListener viewListener) {
+        main_url = url;
+        RichPreview richPreview = new RichPreview(new ResponseListener() {
+            @Override
+            public void onData(MetaData metaData) {
+                meta = metaData;
+                if (!meta.getTitle().isEmpty() || !meta.getTitle().equals("")) {
+                    viewListener.onSuccess(true);
+                }
+                initView();
+            }
+
+            @Override
+            public void onError(Exception e) {
+                viewListener.onError(e);
+            }
+        });
+        richPreview.getPreview(url);
+    }
+}
diff --git a/src/main/java/de/pixart/messenger/utils/XmppUri.java b/src/main/java/de/pixart/messenger/utils/XmppUri.java
index 1ee90aa84..64f28cbab 100644
--- a/src/main/java/de/pixart/messenger/utils/XmppUri.java
+++ b/src/main/java/de/pixart/messenger/utils/XmppUri.java
@@ -8,6 +8,7 @@ import java.net.URLDecoder;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
+import java.util.regex.Pattern;
 
 import de.pixart.messenger.Config;
 import rocks.xmpp.addr.Jid;
@@ -27,6 +28,8 @@ public class XmppUri {
     public static final String ACTION_JOIN = "join";
     public static final String ACTION_MESSAGE = "message";
 
+    public static Pattern XMPP_URI = Patterns.XMPP_PATTERN;
+
     public XmppUri(String uri) {
         try {
             parse(Uri.parse(uri));
@@ -43,11 +46,6 @@ public class XmppUri {
         parse(uri);
     }
 
-    public static boolean isXmppUri(String uri) {
-        String scheme = Uri.parse(uri).getScheme();
-        return "xmpp".equalsIgnoreCase(scheme);
-    }
-
     public XmppUri(Uri uri, boolean safeSource) {
         this.safeSource = safeSource;
         parse(uri);
diff --git a/src/main/res/layout/link_layout.xml b/src/main/res/layout/link_layout.xml
new file mode 100644
index 000000000..68e7a6cc7
--- /dev/null
+++ b/src/main/res/layout/link_layout.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/rich_link_card"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_margin="5dp"
+    android:gravity="center"
+    android:orientation="horizontal">
+
+    <ImageView
+        android:id="@+id/rich_link_image"
+        android:layout_width="80dp"
+        android:layout_height="80dp"
+        android:scaleType="centerCrop" />
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="2dp">
+
+        <TextView
+            android:id="@+id/rich_link_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:padding="2dp"
+            android:textAppearance="@style/TextAppearance.Conversations.Body2"
+            tools:text="Data" />
+
+        <TextView
+            android:id="@+id/rich_link_desp"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:maxLines="4"
+            android:padding="2dp"
+            android:textAppearance="@style/TextAppearance.Conversations.Status"
+            tools:text="Data" />
+
+        <TextView
+            android:id="@+id/rich_link_url"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:padding="2dp"
+            android:textAppearance="@style/TextAppearance.Conversations.Body1.Secondary"
+            android:visibility="gone"
+            tools:text="Data" />
+
+    </LinearLayout>
+</LinearLayout>
\ No newline at end of file
diff --git a/src/main/res/layout/message_content.xml b/src/main/res/layout/message_content.xml
index f14f310c3..be2bbf3db 100644
--- a/src/main/res/layout/message_content.xml
+++ b/src/main/res/layout/message_content.xml
@@ -28,6 +28,11 @@
         android:scaleType="centerCrop"
         app:riv_corner_radius="@dimen/rounded_image_border" />
 
+    <de.pixart.messenger.ui.widget.RichLinkView
+        android:id="@+id/richLinkView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
     <de.pixart.messenger.ui.widget.CopyTextView
         android:id="@+id/message_body"
         android:layout_width="wrap_content"
diff --git a/src/main/res/values/bools.xml b/src/main/res/values/bools.xml
index 4807728ca..f5d0a43b6 100644
--- a/src/main/res/values/bools.xml
+++ b/src/main/res/values/bools.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <bool name="prefer_xmpp_avatar">true</bool>
+    <bool name="show_links_inside">true</bool>
 </resources>
\ No newline at end of file
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 5742775e0..3a2eb4ea7 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -823,8 +823,10 @@
     <string name="enter_your_name_instructions">Please enter your nickname which will be visible to your contacts.</string>
     <string name="no_name_set_instructions">No nickname set.</string>
     <string name="autojoin_groupchat">Automatically join this group chat</string>
+    <string name="pref_show_links_inside">Show previews of web links in chat</string>
+    <string name="pref_show_links_inside_summary">Show previews of web links directly inside the chat view.</string>
     <string name="pref_play_gif_inside">Play GIF files in chat</string>
-    <string name="pref_play_gif_inside_summary">Setting this to true plays GIF files directly inside the chat view.</string>
+    <string name="pref_play_gif_inside_summary">Play GIF files directly inside the chat view.</string>
     <string name="open_with">Open with…</string>
     <string name="server_info_adhoc_invite">XEP-0050: Ad-Hoc Commands: user invite</string>
     <string name="choose_account">Choose account</string>
diff --git a/src/main/res/xml/preferences.xml b/src/main/res/xml/preferences.xml
index 52a957f98..15fe0fc34 100644
--- a/src/main/res/xml/preferences.xml
+++ b/src/main/res/xml/preferences.xml
@@ -77,6 +77,11 @@
             android:summary="@string/pref_play_gif_inside_summary"
             android:title="@string/pref_play_gif_inside" />
         <CheckBoxPreference
+            android:defaultValue="@bool/show_links_inside"
+            android:key="show_links_inside"
+            android:summary="@string/pref_show_links_inside_summary"
+            android:title="@string/pref_show_links_inside" />
+        <CheckBoxPreference
             android:defaultValue="@bool/prefer_xmpp_avatar"
             android:key="prefer_xmpp_avatar"
             android:summary="@string/pref_prefer_xmpp_avatar_summary"