Add support for display/voice/content languages (#1474)

* Add support for display/voice/content languages

* Fixed crash when running using an applicationId suffix

Author: keianhzo

app/src/common/shared/org/mozilla/vrbrowser/VRBrowserActivity.java

@@ -63,6 +63,7 @@
 import org.mozilla.vrbrowser.ui.widgets.WindowWidget;
 import org.mozilla.vrbrowser.ui.widgets.dialogs.CrashDialogWidget;
 import org.mozilla.vrbrowser.utils.ConnectivityReceiver;
+import org.mozilla.vrbrowser.utils.LocaleUtils;
 import org.mozilla.vrbrowser.utils.ServoUtils;
 
 import java.io.IOException;
@@ -173,6 +174,11 @@ public void onGlobalFocusChanged(View oldFocus, View newFocus) {
         }
     };
 
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LocaleUtils.setLocale(base));
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         // Fix for infinite restart on startup crashes.
@@ -189,6 +195,8 @@ protected void onCreate(Bundle savedInstanceState) {
         // Set a global exception handler as soon as possible
         GlobalExceptionHandler.register(this.getApplicationContext());
 
+        LocaleUtils.init(this);
+
         if (DeviceType.isOculusBuild()) {
             workaroundGeckoSigAction();
         }

app/src/common/shared/org/mozilla/vrbrowser/VRBrowserApplication.java

@@ -6,10 +6,13 @@
 package org.mozilla.vrbrowser;
 
 import android.app.Application;
+import android.content.Context;
+import android.content.res.Configuration;
 
 import org.mozilla.vrbrowser.browser.Places;
 import org.mozilla.vrbrowser.db.AppDatabase;
 import org.mozilla.vrbrowser.telemetry.TelemetryWrapper;
+import org.mozilla.vrbrowser.utils.LocaleUtils;
 
 public class VRBrowserApplication extends Application {
 
@@ -26,6 +29,18 @@ public void onCreate() {
         TelemetryWrapper.init(this);
     }
 
+    @Override
+    protected void attachBaseContext(Context base) {
+        LocaleUtils.saveSystemLocale();
+        super.attachBaseContext(LocaleUtils.setLocale(base));
+    }
+
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        LocaleUtils.setLocale(this);
+    }
+
     public AppDatabase getDatabase() {
         return AppDatabase.getInstance(this, mAppExecutors);
     }

app/src/common/shared/org/mozilla/vrbrowser/browser/SessionStore.java

@@ -1000,6 +1000,12 @@ public boolean getAutoplayEnabled() {
         return false;
     }
 
+    public void setLocales(List<String> locales) {
+        if (mRuntime != null) {
+            mRuntime.getSettings().setLocales(locales.stream().toArray(String[]::new));
+        }
+    }
+
     // NavigationDelegate
 
     @Override

app/src/common/shared/org/mozilla/vrbrowser/browser/SettingsStore.java

@@ -6,6 +6,8 @@
 import android.os.StrictMode;
 import android.preference.PreferenceManager;
 
+import org.json.JSONArray;
+import org.json.JSONException;
 import org.mozilla.geckoview.GeckoSessionSettings;
 import org.mozilla.telemetry.TelemetryHolder;
 import org.mozilla.vrbrowser.R;
@@ -16,6 +18,8 @@
 
 import androidx.annotation.NonNull;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Locale;
 
 import static org.mozilla.vrbrowser.utils.ServoUtils.isServoAvailable;
@@ -408,21 +412,63 @@ public void setAudioEnabled(boolean isEnabled) {
         editor.commit();
     }
 
-    public String getVoiceSearchLanguage() {
+    public String getVoiceSearchLocale() {
         String language = mPrefs.getString(
                 mContext.getString(R.string.settings_key_voice_search_language), null);
         if (language == null) {
-            return LocaleUtils.getDefaultVoiceSearchLanguage(mContext);
+            return LocaleUtils.getDefaultVoiceSearchLocale(mContext);
         }
         return language;
     }
 
-    public void setVoiceSearchLanguage(String language) {
+    public void setVoiceSearchLocale(String language) {
         SharedPreferences.Editor editor = mPrefs.edit();
         editor.putString(mContext.getString(R.string.settings_key_voice_search_language), language);
         editor.commit();
     }
 
+    public String getDisplayLocale() {
+        String language = mPrefs.getString(
+                mContext.getString(R.string.settings_key_display_language), null);
+        if (language == null) {
+            return LocaleUtils.getDefaultDisplayLocale(mContext);
+        }
+        return language;
+    }
+
+    public void setDisplayLocale(String language) {
+        SharedPreferences.Editor editor = mPrefs.edit();
+        editor.putString(mContext.getString(R.string.settings_key_display_language), language);
+        editor.commit();
+    }
+
+    public ArrayList<String> getContentLocales() {
+        ArrayList<String> result = new ArrayList<>();
+
+        String json = mPrefs.getString(
+                mContext.getString(R.string.settings_key_content_languages),
+                new JSONArray().toString());
+
+        try {
+            JSONArray jsonArray = new JSONArray(json);
+            for (int i=0; i<jsonArray.length(); i++) {
+                result.add(jsonArray.getString(i));
+            }
+
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+
+        return result;
+    }
+
+    public void setContentLocales(List<String> languages) {
+        JSONArray json = new JSONArray(languages);
+        SharedPreferences.Editor editor = mPrefs.edit();
+        editor.putString(mContext.getString(R.string.settings_key_content_languages), json.toString());
+        editor.commit();
+    }
+
     public float getCylinderDensity() {
         return mPrefs.getFloat(mContext.getString(R.string.settings_key_cylinder_density),  0);
     }

app/src/common/shared/org/mozilla/vrbrowser/ui/adapters/BindingAdapters.java

@@ -1,13 +1,33 @@
 package org.mozilla.vrbrowser.ui.adapters;
 
+import android.graphics.Typeface;
 import android.view.View;
+import android.widget.TextView;
 
 import androidx.databinding.BindingAdapter;
 
 
 public class BindingAdapters {
+
     @BindingAdapter("visibleGone")
     public static void showHide(View view, boolean show) {
         view.setVisibility(show ? View.VISIBLE : View.GONE);
     }
+
+    @BindingAdapter("visibleInvisible")
+    public static void showInvisible(View view, boolean show) {
+        view.setVisibility(show ? View.VISIBLE : View.INVISIBLE);
+    }
+
+    @BindingAdapter("typeface")
+    public static void setTypeface(TextView v, String style) {
+        switch (style) {
+            case "bold":
+                v.setTypeface(null, Typeface.BOLD);
+                break;
+            default:
+                v.setTypeface(null, Typeface.NORMAL);
+                break;
+        }
+    }
 }

app/src/common/shared/org/mozilla/vrbrowser/ui/adapters/Language.java

@@ -0,0 +1,25 @@
+package org.mozilla.vrbrowser.ui.adapters;
+
+public class Language {
+
+    public Language(String id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    private String name;
+    private String id;
+
+    public String getId() {
+        return this.id;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    @Override
+    public int hashCode() {
+        return id.hashCode();
+    }
+}