Load custom emoji in statuses (#400)

app/build.gradle

@@ -49,6 +49,7 @@ dependencies {
     compile "com.squareup.retrofit2:converter-gson:2.3.0"
     compile "com.squareup.picasso:picasso:2.5.2"
     compile "com.squareup.okhttp3:okhttp:3.9.0"
+    compile 'com.squareup.okhttp3:logging-interceptor:3.9.0'
     compile "com.jakewharton.picasso:picasso2-okhttp3-downloader:1.1.0"
     compile "com.pkmmte.view:circularimageview:1.1"
     compile "com.github.varunest:sparkbutton:1.0.5"

app/src/main/java/com/keylesspalace/tusky/BaseActivity.java

@@ -50,6 +50,7 @@ import okhttp3.Interceptor;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Response;
+import okhttp3.logging.HttpLoggingInterceptor;
 import retrofit2.Retrofit;
 import retrofit2.converter.gson.GsonConverterFactory;
 
@@ -126,13 +127,12 @@ public class BaseActivity extends AppCompatActivity {
     protected void createMastodonApi() {
         mastodonApiDispatcher = new Dispatcher();
 
-        Gson gson = new GsonBuilder()
-                .registerTypeAdapter(Spanned.class, new SpannedTypeAdapter())
+        Gson gson = new GsonBuilder().registerTypeAdapter(Spanned.class, new SpannedTypeAdapter())
                 .registerTypeAdapter(StringWithEmoji.class, new StringWithEmojiTypeAdapter())
                 .create();
 
-        OkHttpClient okHttpClient = OkHttpUtils.getCompatibleClientBuilder()
-                .addInterceptor(new Interceptor() {
+        OkHttpClient.Builder okBuilder =
+                OkHttpUtils.getCompatibleClientBuilder().addInterceptor(new Interceptor() {
                     @Override
                     public Response intercept(Chain chain) throws IOException {
                         Request originalRequest = chain.request();
@@ -140,20 +140,21 @@ public class BaseActivity extends AppCompatActivity {
                         Request.Builder builder = originalRequest.newBuilder();
                         String accessToken = getAccessToken();
                         if (accessToken != null) {
-                            builder.header("Authorization", String.format("Bearer %s",
-                                    accessToken));
+                            builder.header("Authorization", String.format("Bearer %s", accessToken));
                         }
                         Request newRequest = builder.build();
 
                         return chain.proceed(newRequest);
                     }
-                })
-                .dispatcher(mastodonApiDispatcher)
-                .build();
+                }).dispatcher(mastodonApiDispatcher);
+
+        if (BuildConfig.DEBUG) {
+            okBuilder.addInterceptor(
+                    new HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BODY));
+        }
 
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl(getBaseUrl())
-                .client(okHttpClient)
+        Retrofit retrofit = new Retrofit.Builder().baseUrl(getBaseUrl())
+                .client(okBuilder.build())
                 .addConverterFactory(GsonConverterFactory.create(gson))
                 .build();
 
@@ -161,11 +162,11 @@ public class BaseActivity extends AppCompatActivity {
     }
 
     protected void createTuskyApi() {
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl("https://" + getString(R.string.tusky_api_url))
-                .client(OkHttpUtils.getCompatibleClient())
-                .addConverterFactory(GsonConverterFactory.create())
-                .build();
+        Retrofit retrofit =
+                new Retrofit.Builder().baseUrl("https://" + getString(R.string.tusky_api_url))
+                        .client(OkHttpUtils.getCompatibleClient())
+                        .addConverterFactory(GsonConverterFactory.create())
+                        .build();
 
         tuskyApi = retrofit.create(TuskyApi.class);
     }
@@ -208,27 +209,25 @@ public class BaseActivity extends AppCompatActivity {
         long checkInterval = 1000 * 60 * minutes;
         AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
         Intent intent = new Intent(this, PullNotificationService.class);
-        PendingIntent serviceAlarmIntent = PendingIntent.getService(this, SERVICE_REQUEST_CODE,
-                intent, PendingIntent.FLAG_UPDATE_CURRENT);
-        alarmManager.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP,
-                SystemClock.elapsedRealtime(), checkInterval, serviceAlarmIntent);
+        PendingIntent serviceAlarmIntent = PendingIntent.getService(this, SERVICE_REQUEST_CODE, intent,
+                PendingIntent.FLAG_UPDATE_CURRENT);
+        alarmManager.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime(),
+                checkInterval, serviceAlarmIntent);
     }
 
     protected void disablePushNotifications() {
         // Cancel the repeating call for "pull" notifications.
         AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
         Intent intent = new Intent(this, PullNotificationService.class);
-        PendingIntent serviceAlarmIntent = PendingIntent.getService(this, SERVICE_REQUEST_CODE,
-                intent, PendingIntent.FLAG_UPDATE_CURRENT);
+        PendingIntent serviceAlarmIntent = PendingIntent.getService(this, SERVICE_REQUEST_CODE, intent,
+                PendingIntent.FLAG_UPDATE_CURRENT);
         alarmManager.cancel(serviceAlarmIntent);
     }
 
     protected void clearNotifications() {
-        SharedPreferences notificationPreferences = getApplicationContext()
-                .getSharedPreferences("Notifications", MODE_PRIVATE);
-        notificationPreferences.edit()
-                .putString("current", "[]")
-                .apply();
+        SharedPreferences notificationPreferences =
+                getApplicationContext().getSharedPreferences("Notifications", MODE_PRIVATE);
+        notificationPreferences.edit().putString("current", "[]").apply();
 
         NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
         manager.cancel(PullNotificationService.NOTIFY_ID);
@@ -238,10 +237,10 @@ public class BaseActivity extends AppCompatActivity {
         long checkInterval = 1000 * 60 * minutes;
         AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
         Intent intent = new Intent(this, PullNotificationService.class);
-        PendingIntent serviceAlarmIntent = PendingIntent.getService(this, SERVICE_REQUEST_CODE,
-                intent, PendingIntent.FLAG_UPDATE_CURRENT);
+        PendingIntent serviceAlarmIntent = PendingIntent.getService(this, SERVICE_REQUEST_CODE, intent,
+                PendingIntent.FLAG_UPDATE_CURRENT);
         alarmManager.cancel(serviceAlarmIntent);
-        alarmManager.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP,
-                SystemClock.elapsedRealtime(), checkInterval, serviceAlarmIntent);
+        alarmManager.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime(),
+                checkInterval, serviceAlarmIntent);
     }
 }

app/src/main/java/com/keylesspalace/tusky/adapter/StatusBaseViewHolder.java

@@ -2,6 +2,11 @@ package com.keylesspalace.tusky.adapter;
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.preference.PreferenceManager;
 import android.support.annotation.DrawableRes;
@@ -9,7 +14,9 @@ import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v7.content.res.AppCompatResources;
 import android.support.v7.widget.RecyclerView;
+import android.text.SpannableStringBuilder;
 import android.text.Spanned;
+import android.text.style.ReplacementSpan;
 import android.view.View;
 import android.widget.CompoundButton;
 import android.widget.ImageButton;
@@ -25,11 +32,17 @@ import com.keylesspalace.tusky.util.LinkHelper;
 import com.keylesspalace.tusky.util.ThemeUtils;
 import com.keylesspalace.tusky.view.RoundedTransformation;
 import com.keylesspalace.tusky.viewdata.StatusViewData;
+import com.squareup.picasso.Callback;
 import com.squareup.picasso.Picasso;
+import com.squareup.picasso.Target;
 import com.varunest.sparkbutton.SparkButton;
 import com.varunest.sparkbutton.SparkEventListener;
 
+import java.lang.ref.WeakReference;
 import java.util.Date;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 class StatusBaseViewHolder extends RecyclerView.ViewHolder {
     private View container;
@@ -80,10 +93,8 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
         videoIndicator = itemView.findViewById(R.id.status_video_indicator);
         mediaLabel = itemView.findViewById(R.id.status_media_label);
         contentWarningBar = itemView.findViewById(R.id.status_content_warning_bar);
-        contentWarningDescription =
-                itemView.findViewById(R.id.status_content_warning_description);
-        contentWarningButton =
-                itemView.findViewById(R.id.status_content_warning_button);
+        contentWarningDescription = itemView.findViewById(R.id.status_content_warning_description);
+        contentWarningButton = itemView.findViewById(R.id.status_content_warning_button);
     }
 
     private void setDisplayName(String name) {
@@ -97,14 +108,43 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
         username.setText(usernameText);
     }
 
-    private void setContent(Spanned content, Status.Mention[] mentions,
+    private Callback spanCallback = new Callback() {
+        @Override
+        public void onSuccess() {
+            content.invalidate();
+        }
+
+        @Override
+        public void onError() {
+        }
+    };
+
+    private void setContent(Spanned content, Status.Mention[] mentions, List<Status.Emoji> emojis,
                             StatusActionListener listener) {
+
+        SpannableStringBuilder builder = new SpannableStringBuilder(content);
+        if (!emojis.isEmpty()) {
+            CharSequence text = builder.subSequence(0, builder.length());
+            for (Status.Emoji emoji : emojis) {
+                CharSequence pattern = new StringBuilder(":").append(emoji.getShortcode()).append(':');
+                Matcher matcher = Pattern.compile(pattern.toString()).matcher(text);
+                while (matcher.find()) {
+                    EmojiSpan span = new EmojiSpan();
+                    span.setCallback(spanCallback);
+                    builder.setSpan(span, matcher.start(), matcher.end(), 0);
+                    Picasso.with(container.getContext())
+                            .load(emoji.getUrl())
+                            .into(span);
+                }
+            }
+        }
+
         /* Redirect URLSpan's in the status content to the listener for viewing tag pages and
          * account pages. */
         Context context = this.content.getContext();
-        boolean useCustomTabs = PreferenceManager.getDefaultSharedPreferences(context)
-                .getBoolean("customTabs", true);
-        LinkHelper.setClickableText(this.content, content, mentions, useCustomTabs, listener);
+        boolean useCustomTabs =
+                PreferenceManager.getDefaultSharedPreferences(context).getBoolean("customTabs", true);
+        LinkHelper.setClickableText(this.content, builder, mentions, useCustomTabs, listener);
     }
 
     void setAvatar(String url, @Nullable String rebloggedUrl) {
@@ -177,15 +217,13 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
     private void setMediaPreviews(final Status.MediaAttachment[] attachments, boolean sensitive,
                                   final StatusActionListener listener, boolean showingSensitive) {
         final ImageView[] previews = {
-                mediaPreview0,
-                mediaPreview1,
-                mediaPreview2,
-                mediaPreview3
+                mediaPreview0, mediaPreview1, mediaPreview2, mediaPreview3
         };
         Context context = mediaPreview0.getContext();
 
-        int mediaPreviewUnloadedId = ThemeUtils.getDrawableId(itemView.getContext(),
-                R.attr.media_preview_unloaded_drawable, android.R.color.black);
+        int mediaPreviewUnloadedId =
+                ThemeUtils.getDrawableId(itemView.getContext(), R.attr.media_preview_unloaded_drawable,
+                        android.R.color.black);
 
         final int n = Math.min(attachments.length, Status.MAX_MEDIA_ATTACHMENTS);
 
@@ -200,9 +238,7 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
             previews[i].setVisibility(View.VISIBLE);
 
             if (previewUrl == null || previewUrl.isEmpty()) {
-                Picasso.with(context)
-                        .load(mediaPreviewUnloadedId)
-                        .into(previews[i]);
+                Picasso.with(context).load(mediaPreviewUnloadedId).into(previews[i]);
             } else {
                 Picasso.with(context)
                         .load(previewUrl)
@@ -211,8 +247,7 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
             }
 
             final Status.MediaAttachment.Type type = attachments[i].type;
-            if (type == Status.MediaAttachment.Type.VIDEO
-                    | type == Status.MediaAttachment.Type.GIFV) {
+            if (type == Status.MediaAttachment.Type.VIDEO | type == Status.MediaAttachment.Type.GIFV) {
                 videoIndicator.setVisibility(View.VISIBLE);
             }
 
@@ -233,7 +268,7 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
         if (sensitive && (!isAlwayShowSensitive)) {
             sensitiveMediaWarning.setVisibility(showingSensitive ? View.GONE : View.VISIBLE);
             sensitiveMediaShow.setVisibility(showingSensitive ? View.VISIBLE : View.GONE);
-            sensitiveMediaShow.setOnClickListener(new View.OnClickListener(){
+            sensitiveMediaShow.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
                     v.setVisibility(View.GONE);
@@ -330,20 +365,19 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
         contentWarningDescription.setText(spoilerText);
         contentWarningBar.setVisibility(View.VISIBLE);
         contentWarningButton.setChecked(expanded);
-        contentWarningButton.setOnCheckedChangeListener(
-                new CompoundButton.OnCheckedChangeListener() {
-                    @Override
-                    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
-                        if (getAdapterPosition() != RecyclerView.NO_POSITION) {
-                            listener.onExpandedChange(isChecked, getAdapterPosition());
-                        }
-                        if (isChecked) {
-                            content.setVisibility(View.VISIBLE);
-                        } else {
-                            content.setVisibility(View.GONE);
-                        }
-                    }
-                });
+        contentWarningButton.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                if (getAdapterPosition() != RecyclerView.NO_POSITION) {
+                    listener.onExpandedChange(isChecked, getAdapterPosition());
+                }
+                if (isChecked) {
+                    content.setVisibility(View.VISIBLE);
+                } else {
+                    content.setVisibility(View.GONE);
+                }
+            }
+        });
         if (expanded) {
             content.setVisibility(View.VISIBLE);
         } else {
@@ -441,7 +475,7 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
         setDisplayName(status.getUserFullName());
         setUsername(status.getNickname());
         setCreatedAt(status.getCreatedAt());
-        setContent(status.getContent(), status.getMentions(), listener);
+        setContent(status.getContent(), status.getMentions(), status.getEmojis(), listener);
         setAvatar(status.getAvatar(), status.getRebloggedAvatar());
         setReblogged(status.isReblogged());
         setFavourited(status.isFavourited());
@@ -478,4 +512,58 @@ class StatusBaseViewHolder extends RecyclerView.ViewHolder {
             setSpoilerText(status.getSpoilerText(), status.isExpanded(), listener);
         }
     }
+
+    static class EmojiSpan extends ReplacementSpan implements Target {
+
+        private @Nullable
+        Drawable imageDrawable;
+        private WeakReference<Callback> callbackWeakReference;
+
+        public void setImageDrawable(@Nullable Drawable imageDrawable) {
+            this.imageDrawable = imageDrawable;
+        }
+
+        public void setCallback(Callback callback) {
+            this.callbackWeakReference = new WeakReference<Callback>(callback);
+        }
+
+        @Override
+        public int getSize(@NonNull Paint paint, CharSequence text, int start, int end,
+                           @Nullable Paint.FontMetricsInt fm) {
+            if (imageDrawable == null) return 0;
+            Rect sizeRect = imageDrawable.getBounds();
+            return sizeRect.right;
+        }
+
+        @Override
+        public void draw(@NonNull Canvas canvas, CharSequence text, int start, int end, float x,
+                         int top, int y, int bottom, @NonNull Paint paint) {
+            if (imageDrawable == null) return;
+            canvas.save();
+            int transY = bottom - imageDrawable.getBounds().bottom;
+            transY -= paint.getFontMetricsInt().descent;
+            canvas.translate(x, transY);
+            imageDrawable.draw(canvas);
+            canvas.restore();
+        }
+
+        @Override
+        public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {
+            imageDrawable = new BitmapDrawable(bitmap);
+            imageDrawable.setBounds(0, 0, imageDrawable.getIntrinsicWidth() + 10,
+                    imageDrawable.getIntrinsicHeight() + 10);
+            if (callbackWeakReference != null) {
+                Callback cb = callbackWeakReference.get();
+                if (cb != null) cb.onSuccess();
+            }
+        }
+
+        @Override
+        public void onBitmapFailed(Drawable errorDrawable) {
+        }
+
+        @Override
+        public void onPrepareLoad(Drawable placeHolderDrawable) {
+        }
+    }
 }

app/src/main/java/com/keylesspalace/tusky/entity/Status.java

@@ -24,6 +24,7 @@ import com.google.gson.JsonParseException;
 import com.google.gson.annotations.SerializedName;
 
 import java.util.Date;
+import java.util.List;
 
 public class Status {
     private Status actionableStatus;
@@ -79,6 +80,8 @@ public class Status {
 
     public boolean sensitive;
 
+    public List<Emoji> emojis;
+
     @SerializedName("spoiler_text")
     public String spoilerText;
 
@@ -179,4 +182,17 @@ public class Status {
         public String name;
         public String website;
     }
+
+    public static class Emoji {
+        private String shortcode;
+        private String url;
+
+        public String getShortcode() {
+            return shortcode;
+        }
+
+        public String getUrl() {
+            return url;
+        }
+    }
 }

app/src/main/java/com/keylesspalace/tusky/util/ViewDataUtils.java

@@ -20,8 +20,7 @@ public final class ViewDataUtils {
     public static StatusViewData statusToViewData(@Nullable Status status) {
         if (status == null) return null;
         Status visibleStatus = status.reblog == null ? status : status.reblog;
-        return new StatusViewData.Builder()
-                .setId(status.id)
+        return new StatusViewData.Builder().setId(status.id)
                 .setAttachments(visibleStatus.attachments)
                 .setAvatar(visibleStatus.account.avatar)
                 .setContent(visibleStatus.content)
@@ -44,6 +43,7 @@ public final class ViewDataUtils {
                 .setSenderId(visibleStatus.account.id)
                 .setRebloggingEnabled(visibleStatus.rebloggingAllowed())
                 .setApplication(visibleStatus.application)
+                .setEmojis(visibleStatus.emojis)
                 .createStatusViewData();
     }
 
@@ -64,8 +64,8 @@ public final class ViewDataUtils {
                 statusToViewData(notification.status));
     }
 
-    public static List<NotificationViewData>
-    notificationListToViewDataList(List<Notification> notifications) {
+    public static List<NotificationViewData> notificationListToViewDataList(
+            List<Notification> notifications) {
         List<NotificationViewData> viewDatas = new ArrayList<>(notifications.size());
         for (Notification n : notifications) {
             viewDatas.add(notificationToViewData(n));

app/src/main/java/com/keylesspalace/tusky/viewdata/StatusViewData.java

@@ -5,7 +5,9 @@ import android.text.Spanned;
 
 import com.keylesspalace.tusky.entity.Status;
 
+import java.util.Collections;
 import java.util.Date;
+import java.util.List;
 
 /**
  * Created by charlag on 11/07/2017.
@@ -41,16 +43,15 @@ public final class StatusViewData {
     private final String senderId;
     private final boolean rebloggingEnabled;
     private final Status.Application application;
+    private final List<Status.Emoji> emojis;
 
     public StatusViewData(String id, Spanned content, boolean reblogged, boolean favourited,
-                          String spoilerText, Status.Visibility visibility,
-                          Status.MediaAttachment[] attachments, String rebloggedByUsername,
-                          String rebloggedAvatar, boolean sensitive, boolean isExpanded,
-                          boolean isShowingSensitiveWarning, String userFullName, String nickname,
-                          String avatar, Date createdAt, String reblogsCount,
-                          String favouritesCount, String inReplyToId, Status.Mention[] mentions,
-                          String senderId, boolean rebloggingEnabled,
-                          Status.Application application) {
+                          String spoilerText, Status.Visibility visibility, Status.MediaAttachment[] attachments,
+                          String rebloggedByUsername, String rebloggedAvatar, boolean sensitive, boolean isExpanded,
+                          boolean isShowingSensitiveWarning, String userFullName, String nickname, String avatar,
+                          Date createdAt, String reblogsCount, String favouritesCount, String inReplyToId,
+                          Status.Mention[] mentions, String senderId, boolean rebloggingEnabled,
+                          Status.Application application, List<Status.Emoji> emojis) {
         this.id = id;
         this.content = content;
         this.reblogged = reblogged;
@@ -74,6 +75,7 @@ public final class StatusViewData {
         this.senderId = senderId;
         this.rebloggingEnabled = rebloggingEnabled;
         this.application = application;
+        this.emojis = emojis;
     }
 
     public String getId() {
@@ -173,6 +175,10 @@ public final class StatusViewData {
         return application;
     }
 
+    public List<Status.Emoji> getEmojis() {
+        return emojis;
+    }
+
     public static class Builder {
         private String id;
         private Spanned content;
@@ -197,6 +203,7 @@ public final class StatusViewData {
         private String senderId;
         private boolean rebloggingEnabled;
         private Status.Application application;
+        private List<Status.Emoji> emojis;
 
         public Builder() {
         }
@@ -225,6 +232,7 @@ public final class StatusViewData {
             senderId = viewData.senderId;
             rebloggingEnabled = viewData.rebloggingEnabled;
             application = viewData.application;
+            emojis = viewData.getEmojis();
         }
 
         public Builder setId(String id) {
@@ -342,12 +350,17 @@ public final class StatusViewData {
             return this;
         }
 
+        public Builder setEmojis(List<Status.Emoji> emojis) {
+            this.emojis = emojis;
+            return this;
+        }
+
         public StatusViewData createStatusViewData() {
+            if (this.emojis == null) emojis = Collections.emptyList();
             return new StatusViewData(id, content, reblogged, favourited, spoilerText, visibility,
                     attachments, rebloggedByUsername, rebloggedAvatar, isSensitive, isExpanded,
-                    isShowingSensitiveContent, userFullName, nickname, avatar, createdAt,
-                    reblogsCount, favouritesCount, inReplyToId, mentions, senderId,
-                    rebloggingEnabled, application);
+                    isShowingSensitiveContent, userFullName, nickname, avatar, createdAt, reblogsCount,
+                    favouritesCount, inReplyToId, mentions, senderId, rebloggingEnabled, application, emojis);
         }
     }
 }