Added conversation actions

app/build.gradle

@@ -241,6 +241,7 @@ dependencies {
     def work_version = "2.3.3"
     def exif_version = "1.3.0-alpha01"
     def biometric_version = "1.0.1"
+    def textclassifier_version = "1.0.0-alpha03"
     def billingclient_version = "2.1.0"
     def javamail_version = "1.6.5"
     def jsoup_version = "1.12.1"
@@ -323,6 +324,10 @@ dependencies {
     // https://developer.android.com/jetpack/androidx/releases/biometric
     implementation "androidx.biometric:biometric:$biometric_version"
 
+    // https://mvnrepository.com/artifact/androidx.textclassifier/textclassifier
+    // https://developer.android.com/jetpack/androidx/releases/textclassifier
+    //implementation "androidx.textclassifier:textclassifier:$textclassifier_version"
+
     // https://developer.android.com/google/play/billing/billing_library_releases_notes
     implementation "com.android.billingclient:billing:$billingclient_version"
 

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -27,6 +27,7 @@ import android.app.Dialog;
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
+import android.app.RemoteAction;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.ContentResolver;
@@ -88,6 +89,9 @@ import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.AccelerateDecelerateInterpolator;
+import android.view.textclassifier.ConversationAction;
+import android.view.textclassifier.ConversationActions;
+import android.view.textclassifier.TextClassificationManager;
 import android.webkit.WebView;
 import android.widget.Button;
 import android.widget.CheckBox;
@@ -95,12 +99,14 @@ import android.widget.CompoundButton;
 import android.widget.EditText;
 import android.widget.ImageButton;
 import android.widget.ImageView;
+import android.widget.LinearLayout;
 import android.widget.PopupWindow;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.PopupMenu;
 import androidx.constraintlayout.widget.ConstraintLayout;
@@ -142,6 +148,8 @@ import java.security.NoSuchAlgorithmException;
 import java.text.DateFormat;
 import java.text.NumberFormat;
 import java.text.SimpleDateFormat;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -167,6 +175,7 @@ import biweekly.property.Organizer;
 import biweekly.util.ICalDate;
 
 import static android.app.Activity.RESULT_OK;
+import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
 
 public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHolder> {
     private Fragment parentFragment;
@@ -408,6 +417,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         private ImageButton ibDownloading;
         private Group grpDownloading;
         private ImageButton ibSeen;
+        private LinearLayout llAction;
 
         private TextView tvCalendarSummary;
         private TextView tvCalendarDescription;
@@ -596,6 +606,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibDownloading = vsBody.findViewById(R.id.ibDownloading);
             grpDownloading = vsBody.findViewById(R.id.grpDownloading);
             ibSeen = vsBody.findViewById(R.id.ibSeen);
+            llAction = vsBody.findViewById(R.id.llAction);
 
             rvImage = vsBody.findViewById(R.id.rvImage);
             rvImage.setHasFixedSize(false);
@@ -1183,6 +1194,8 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             tvNoInternetBody.setVisibility(View.GONE);
             grpDownloading.setVisibility(View.GONE);
             ibSeen.setVisibility(View.GONE);
+            llAction.setVisibility(View.GONE);
+            llAction.removeAllViews();
         }
 
         private void clearCalendar() {
@@ -1814,11 +1827,17 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                             document.body().appendChild(pre);
                         }
 
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
+                            args.putParcelable("actions", getConversationActions(message, document));
+
                         return document.html();
                     } else {
                         // Cleanup message
                         document = HtmlHelper.sanitize(context, document, show_images, true, true);
 
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
+                            args.putParcelable("actions", getConversationActions(message, document));
+
                         // Collapse quotes
                         if (!show_quotes) {
                             for (Element quote : document.select("blockquote"))
@@ -1912,6 +1931,47 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     } else
                         throw new IllegalStateException("Result=" + result);
 
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                        ConversationActions cactions = args.getParcelable("actions");
+                        if (cactions != null) {
+                            List<ConversationAction> actions = cactions.getConversationActions();
+                            for (ConversationAction action : actions) {
+                                String type = action.getType();
+                                if (ConversationAction.TYPE_OPEN_URL.equals(type) ||
+                                        ConversationAction.TYPE_SEND_EMAIL.equals(type))
+                                    continue;
+
+                                final RemoteAction raction = action.getAction();
+                                final CharSequence title = (raction == null ? action.getTextReply() : raction.getTitle());
+
+                                Button button = new Button(context, null, android.R.attr.buttonStyleSmall);
+                                button.setId(View.generateViewId());
+                                button.setLayoutParams(new LinearLayout.LayoutParams(WRAP_CONTENT, WRAP_CONTENT));
+                                button.setText(title);
+                                button.setOnClickListener(new View.OnClickListener() {
+                                    @Override
+                                    public void onClick(View v) {
+                                        try {
+                                            if (raction == null) {
+                                                Intent reply = new Intent(context, ActivityCompose.class)
+                                                        .putExtra("action", "reply")
+                                                        .putExtra("reference", message.id)
+                                                        .putExtra("text", title);
+                                                context.startActivity(reply);
+                                            } else
+                                                raction.getActionIntent().send();
+                                        } catch (Throwable ex) {
+                                            Log.e(ex);
+                                        }
+                                    }
+                                });
+                                llAction.addView(button);
+                            }
+                            if (llAction.getChildCount() > 0)
+                                llAction.setVisibility(View.VISIBLE);
+                        }
+                    }
+
                     // Show attachments
                     cowner.start();
 
@@ -1955,6 +2015,30 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     else
                         Log.unexpectedError(parentFragment.getParentFragmentManager(), ex);
                 }
+
+                @RequiresApi(api = Build.VERSION_CODES.Q)
+                private ConversationActions getConversationActions(TupleMessageEx message, Document document) {
+                    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+                    boolean conversation_actions = prefs.getBoolean("conversation_actions", true);
+                    if (!conversation_actions)
+                        return null;
+
+                    TextClassificationManager tcm = (TextClassificationManager) context.getSystemService(Context.TEXT_CLASSIFICATION_SERVICE);
+                    if (tcm == null)
+                        return null;
+
+                    ZonedDateTime dt = new Date(message.received).toInstant().atZone(ZoneId.systemDefault());
+                    ConversationActions.Message cmessage =
+                            new ConversationActions.Message.Builder(ConversationActions.Message
+                                    .PERSON_USER_OTHERS)
+                                    .setReferenceTime(dt)
+                                    .setText(document.text())
+                                    .build();
+                    ConversationActions.Request crequest =
+                            new ConversationActions.Request.Builder(Arrays.asList(cmessage)).build();
+
+                    return tcm.getTextClassifier().suggestConversationActions(crequest);
+                }
             }.execute(context, owner, args, "message:body");
         }
 
@@ -3681,7 +3765,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 }
             });
 
-            PopupWindow pw = new PopupWindow(dview, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
+            PopupWindow pw = new PopupWindow(dview, WRAP_CONTENT, WRAP_CONTENT);
             pw.setFocusable(true);
             pw.setOnDismissListener(new PopupWindow.OnDismissListener() {
                 @Override

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -970,6 +970,7 @@ public class FragmentCompose extends FragmentBase {
                 args.putString("bcc", a.getString("bcc"));
                 args.putString("subject", a.getString("subject"));
                 args.putString("body", a.getString("body"));
+                args.putString("text", a.getString("text"));
                 args.putParcelableArrayList("attachments", a.getParcelableArrayList("attachments"));
                 draftLoader.execute(this, args, "compose:new");
             } else {
@@ -3046,6 +3047,18 @@ public class FragmentCompose extends FragmentBase {
                                 for (String re : Helper.getStrings(context, R.string.title_subject_reply, ""))
                                     subject = unprefix(subject, re);
                             data.draft.subject = context.getString(R.string.title_subject_reply, subject);
+
+                            String t = args.getString("text");
+                            if (t != null) {
+                                Element div = document.createElement("div");
+                                for (String line : t.split("\\r?\\n")) {
+                                    Element span = document.createElement("span");
+                                    span.text(line);
+                                    div.appendChild(span);
+                                    div.appendElement("br");
+                                }
+                                document.body().appendChild(div);
+                            }
                         } else if ("forward".equals(action)) {
                             if (prefix_once)
                                 for (String fwd : Helper.getStrings(context, R.string.title_subject_forward, ""))

app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java

@@ -27,6 +27,7 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.graphics.Paint;
+import android.os.Build;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -52,6 +53,7 @@ import io.requery.android.database.sqlite.SQLiteDatabase;
 
 public class FragmentOptionsMisc extends FragmentBase implements SharedPreferences.OnSharedPreferenceChangeListener {
     private SwitchCompat swExternalSearch;
+    private SwitchCompat swConversationActions;
     private SwitchCompat swFts;
     private TextView tvFtsIndexed;
     private TextView tvFtsPro;
@@ -77,7 +79,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
     private Group grpDebug;
 
     private final static String[] RESET_OPTIONS = new String[]{
-            "fts", "english", "watchdog", "auto_optimize", "updates", "experiments", "crash_reports", "debug"
+            "conversation_actions", "fts", "english", "watchdog", "auto_optimize", "updates", "experiments", "crash_reports", "debug"
     };
 
     private final static String[] RESET_QUESTIONS = new String[]{
@@ -98,6 +100,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         // Get controls
 
         swExternalSearch = view.findViewById(R.id.swExternalSearch);
+        swConversationActions = view.findViewById(R.id.swConversationActions);
         swFts = view.findViewById(R.id.swFts);
         tvFtsIndexed = view.findViewById(R.id.tvFtsIndexed);
         tvFtsPro = view.findViewById(R.id.tvFtsPro);
@@ -141,6 +144,13 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             }
         });
 
+        swConversationActions.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("conversation_actions", checked).apply();
+            }
+        });
+
         swFts.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -379,6 +389,8 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         int state = pm.getComponentEnabledSetting(new ComponentName(getContext(), ActivitySearch.class));
 
         swExternalSearch.setChecked(state != PackageManager.COMPONENT_ENABLED_STATE_DISABLED);
+        swConversationActions.setChecked(prefs.getBoolean("conversation_actions", true));
+        swConversationActions.setVisibility(Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q ? View.VISIBLE : View.GONE);
         swFts.setChecked(prefs.getBoolean("fts", false));
         swEnglish.setChecked(prefs.getBoolean("english", false));
         swWatchdog.setChecked(prefs.getBoolean("watchdog", true));

app/src/main/res/layout/include_message_body.xml

@@ -101,6 +101,15 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/tvBody" />
 
+    <LinearLayout
+        android:id="@+id/llAction"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/wvBody" />
+
     <ImageButton
         android:id="@+id/ibSeen"
         android:layout_width="36dp"
@@ -110,7 +119,7 @@
         android:padding="6dp"
         android:scaleType="fitCenter"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/wvBody"
+        app:layout_constraintTop_toBottomOf="@id/llAction"
         app:srcCompat="@drawable/baseline_visibility_24" />
 
     <include

app/src/main/res/values/strings.xml

@@ -426,6 +426,7 @@
     <string name="title_advanced_aes_key_size" translatable="false">Max AES key size: %1$d</string>
 
     <string name="title_advanced_external_search">Allow other apps to search in messages</string>
+    <string name="title_advanced_conversation_actions">Show conversation actions</string>
     <string name="title_advanced_fts">Build search index</string>
     <string name="title_advanced_fts_indexed">%1$d / %2$d messages indexed (%3$s)</string>
     <string name="title_advanced_english">Force English language</string>

app/src/main/res/values/styles.xml

@@ -398,6 +398,8 @@
 
     <style name="buttonStyleSmall" parent="Base.Widget.AppCompat.Button.Small">
         <item name="android:textAppearance">@style/TextAppearance.AppCompat.Small</item>
+        <item name="android:minHeight">0dp</item>
+        <item name="android:minWidth">0dp</item>
     </style>
 
     <style name="buttonStyleToggle" parent="Base.Widget.AppCompat.Button">