Display tag chips on widget

app/src/main/java/org/tasks/preferences/fragments/ScrollableWidget.kt

@@ -81,6 +81,7 @@ class ScrollableWidget : InjectingPreferenceFragment() {
         setupCheckbox(R.string.p_widget_show_subtasks)
         setupCheckbox(R.string.p_widget_show_places)
         setupCheckbox(R.string.p_widget_show_lists)
+        setupCheckbox(R.string.p_widget_show_tags)
         setupCheckbox(R.string.p_widget_show_full_task_title, false)
         val showDescription = setupCheckbox(R.string.p_widget_show_description, true)
         setupCheckbox(R.string.p_widget_show_full_description, false).dependency = showDescription.key

app/src/main/java/org/tasks/widget/ChipProvider.kt

@@ -5,6 +5,7 @@ import android.widget.RemoteViews
 import com.todoroo.astrid.api.CaldavFilter
 import com.todoroo.astrid.api.Filter
 import com.todoroo.astrid.api.GtasksFilter
+import com.todoroo.astrid.api.TagFilter
 import dagger.hilt.android.qualifiers.ApplicationContext
 import org.tasks.BuildConfig
 import org.tasks.R
@@ -59,6 +60,17 @@ class ChipProvider @Inject constructor(
         return null
     }
 
+    fun getTagChips(filter: Filter?, task: TaskContainer): List<RemoteViews> {
+        val tags = task.tags?.split(",")?.toHashSet() ?: return emptyList()
+        if (filter is TagFilter) {
+            tags.remove(filter.uuid)
+        }
+        return tags
+                .mapNotNull(chipListCache::getTag)
+                .sortedBy(TagFilter::listingTitle)
+                .mapNotNull { newChip(it, R.drawable.ic_outline_label_24px) }
+    }
+
     private fun newChip(filter: Filter?, defaultIcon: Int): RemoteViews? {
         if (filter == null) {
             return null

app/src/main/java/org/tasks/widget/ScrollableViewsFactory.kt

@@ -58,6 +58,7 @@ internal class ScrollableViewsFactory(
     private var showSubtasks = false
     private var showPlaces = false
     private var showLists = false
+    private var showTags = false
     private var isRtl = false
     private var tasks: List<TaskContainer> = ArrayList()
     override fun onCreate() {}
@@ -192,6 +193,11 @@ internal class ScrollableViewsFactory(
                         .getListChip(filter, taskContainer)
                         ?.let { row.addView(R.id.chips, it) }
             }
+            if (showTags && taskContainer.tags?.isNotBlank() == true) {
+                chipProvider
+                        .getTagChips(filter, taskContainer)
+                        .forEach { row.addView(R.id.chips, it) }
+            }
             row.setInt(R.id.widget_row, "setLayoutDirection", locale.directionality)
             val startPad = taskContainer.getIndent() * indentPadding
             row.setViewPadding(R.id.widget_row, if (isRtl) 0 else startPad, 0, if (isRtl) startPad else 0, 0)
@@ -268,6 +274,7 @@ internal class ScrollableViewsFactory(
         showPlaces = widgetPreferences.showPlaces()
         showSubtasks = widgetPreferences.showSubtasks()
         showLists = widgetPreferences.showLists()
+        showTags = widgetPreferences.showTags()
         isRtl = locale.directionality == View.LAYOUT_DIRECTION_RTL
     }
 

app/src/main/java/org/tasks/widget/WidgetPreferences.java

@@ -61,6 +61,10 @@ public class WidgetPreferences {
     return getBoolean(R.string.p_widget_show_lists, true);
   }
 
+  boolean showTags() {
+    return getBoolean(R.string.p_widget_show_tags, true);
+  }
+
   public int getDueDatePosition() {
     return getIntegerFromString(R.string.p_widget_due_date_position, 0);
   }

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

@@ -105,12 +105,14 @@
     tools:text="Tomorrow"
     tools:textColor="@color/white_60"/>
 
-  <GridLayout
+  <LinearLayout
     android:id="@+id/chips"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_below="@id/widget_due_bottom"
     android:layout_toEndOf="@id/widget_complete_box"
+    android:paddingStart="0dp"
+    android:paddingEnd="@dimen/widget_padding"
     android:orientation="horizontal" />
 
   <ImageView

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

@@ -104,12 +104,14 @@
     tools:text="Tomorrow"
     tools:textColor="@color/black_60"/>
 
-  <GridLayout
+  <LinearLayout
     android:id="@+id/chips"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_below="@id/widget_due_bottom"
     android:layout_toEndOf="@id/widget_complete_box"
+    android:paddingStart="0dp"
+    android:paddingEnd="@dimen/widget_padding"
     android:orientation="horizontal" />
 
   <ImageView

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

@@ -308,6 +308,7 @@
   <string name="p_widget_show_subtasks">widget-show-subtasks-</string>
   <string name="p_widget_show_places">widget-show-places-</string>
   <string name="p_widget_show_lists">widget-show-lists-</string>
+  <string name="p_widget_show_tags">widget-show-tags-</string>
   <string name="p_widget_show_description">widget-show-description-</string>
   <string name="p_widget_show_full_description">widget-show-full-description-</string>
   <string name="p_widget_show_checkboxes">widget-show-checkboxes-</string>

app/src/main/res/xml/preferences_widget.xml

@@ -143,6 +143,11 @@
       android:key="@string/p_widget_show_lists"
       android:title="@string/lists" />
 
+    <SwitchPreferenceCompat
+      android:defaultValue="true"
+      android:key="@string/p_widget_show_tags"
+      android:title="@string/tags" />
+
   </PreferenceCategory>
 
   <PreferenceCategory android:title="@string/widget_on_click">