Add EmojiFilter to SearchView input field.

app/src/main/java/org/thoughtcrime/securesms/components/DarkSearchView.java

@@ -1,32 +0,0 @@
-package org.thoughtcrime.securesms.components;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.widget.EditText;
-
-import androidx.annotation.AttrRes;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.core.content.ContextCompat;
-
-import org.thoughtcrime.securesms.R;
-
-/**
- * Custom styled search view that we can insert into ActionBar menus
- */
-public class DarkSearchView extends androidx.appcompat.widget.SearchView {
-  public DarkSearchView(@NonNull Context context) {
-    this(context, null);
-  }
-
-  public DarkSearchView(@NonNull Context context, @Nullable AttributeSet attrs) {
-    this(context, attrs, R.attr.search_view_style_dark);
-  }
-
-  public DarkSearchView(@NonNull Context context, @Nullable AttributeSet attrs, @AttrRes int defStyleAttr) {
-    super(context, attrs, defStyleAttr);
-
-    EditText searchText = findViewById(androidx.appcompat.R.id.search_src_text);
-    searchText.setTextColor(ContextCompat.getColor(context, R.color.signal_text_toolbar_subtitle));
-  }
-}

app/src/main/java/org/thoughtcrime/securesms/components/SearchView.java

@@ -1,13 +1,17 @@
 package org.thoughtcrime.securesms.components;
 
 import android.content.Context;
+import android.text.InputFilter;
 import android.util.AttributeSet;
+import android.widget.TextView;
 
 import androidx.annotation.AttrRes;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.components.emoji.EmojiFilter;
+import org.thoughtcrime.securesms.keyvalue.SignalStore;
 
 /**
  * Custom styled search view that we can insert into ActionBar menus
@@ -23,5 +27,31 @@ public class SearchView extends androidx.appcompat.widget.SearchView {
 
   public SearchView(@NonNull Context context, @Nullable AttributeSet attrs, @AttrRes int defStyleAttr) {
     super(context, attrs, defStyleAttr);
+    initEmojiFilter();
+  }
+
+  private void initEmojiFilter() {
+    if (!isInEditMode() && !SignalStore.settings().isPreferSystemEmoji()) {
+      TextView searchText = findViewById(androidx.appcompat.R.id.search_src_text);
+      if (searchText != null) {
+        searchText.setFilters(appendEmojiFilter(searchText));
+      }
+    }
+  }
+
+  private InputFilter[] appendEmojiFilter(@NonNull TextView view) {
+    InputFilter[] originalFilters = view.getFilters();
+    InputFilter[] result;
+
+    if (originalFilters != null) {
+      result = new InputFilter[originalFilters.length + 1];
+      System.arraycopy(originalFilters, 0, result, 1, originalFilters.length);
+    } else {
+      result = new InputFilter[1];
+    }
+
+    result[0] = new EmojiFilter(view);
+
+    return result;
   }
 }

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

@@ -3,7 +3,6 @@
     <attr name="theme_type" format="string"/>
 
     <attr name="search_view_style" format="reference" />
-    <attr name="search_view_style_dark" format="reference" />
 
     <attr name="emoji_category_recent" format="reference"/>
     <attr name="emoji_category_people" format="reference"/>

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

@@ -356,12 +356,6 @@
         <item name="searchIcon">@drawable/ic_search_24</item>
     </style>
 
-    <style name="Signal.SearchView.Dark">
-        <item name="closeIcon">@drawable/ic_x_conversation_20</item>
-        <item name="searchHintIcon">@drawable/ic_search_conversation_24</item>
-        <item name="searchIcon">@drawable/ic_search_conversation_24</item>
-    </style>
-
     <style name="Signal.Toolbar.Overflow" parent="Widget.AppCompat.ActionButton.Overflow">
         <item name="srcCompat">@drawable/ic_more_vert_24</item>
         <item name="android:src">@null</item>

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

@@ -128,7 +128,6 @@
         <item name="theme_type">light</item>
 
         <item name="search_view_style">@style/Signal.SearchView</item>
-        <item name="search_view_style_dark">@style/Signal.SearchView.Dark</item>
 
         <item name="bottomSheetDialogTheme">@style/Theme.Design.Light.BottomSheetDialog</item>
 
@@ -183,7 +182,6 @@
         <item name="theme_type">dark</item>
 
         <item name="search_view_style">@style/Signal.SearchView</item>
-        <item name="search_view_style_dark">@style/Signal.SearchView.Dark</item>
 
         <item name="bottomSheetDialogTheme">@style/Theme.Design.BottomSheetDialog</item>