From 5dcce1965ecdadd568007dba0b7fe4f9591f869e Mon Sep 17 00:00:00 2001
From: Rash419 <rashesh.padia@collabora.com>
Date: Wed, 9 Aug 2023 14:59:08 +0530
Subject: [PATCH] android: enable dark mode in documents

Signed-off-by: Rash419 <rashesh.padia@collabora.com>
Change-Id: I108601f78f4d7bbf704b5f5f89b20c8f8a597355
---
 .../androidapp/SettingsActivity.java          |  2 ++
 .../libreoffice/androidlib/LOActivity.java    | 23 +++++++++++++++++++
 browser/html/cool.html.m4                     |  4 ++++
 3 files changed, 29 insertions(+)

diff --git a/android/app/src/main/java/org/libreoffice/androidapp/SettingsActivity.java b/android/app/src/main/java/org/libreoffice/androidapp/SettingsActivity.java
index e42017f33..56e03e4fd 100644
--- a/android/app/src/main/java/org/libreoffice/androidapp/SettingsActivity.java
+++ b/android/app/src/main/java/org/libreoffice/androidapp/SettingsActivity.java
@@ -17,6 +17,7 @@ import androidx.appcompat.app.AppCompatDelegate;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 import org.libreoffice.androidapp.ui.LibreOfficeUIActivity;
+import org.libreoffice.androidlib.LOActivity;
 
 public class SettingsActivity extends AppCompatActivity {
 
@@ -86,6 +87,7 @@ public class SettingsActivity extends AppCompatActivity {
                             }
                             AppCompatDelegate.setDefaultNightMode(dayNightMode);
                             prefs.edit().putInt(LibreOfficeUIActivity.NIGHT_MODE_KEY, dayNightMode).commit();
+                            prefs.edit().putInt(LOActivity.NIGHT_MODE_KEY, dayNightMode).commit();
                             getActivity().recreate();
 
                         }
diff --git a/android/lib/src/main/java/org/libreoffice/androidlib/LOActivity.java b/android/lib/src/main/java/org/libreoffice/androidlib/LOActivity.java
index e741d6bb2..5ad8ad3cb 100644
--- a/android/lib/src/main/java/org/libreoffice/androidlib/LOActivity.java
+++ b/android/lib/src/main/java/org/libreoffice/androidlib/LOActivity.java
@@ -23,6 +23,7 @@ import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.AssetFileDescriptor;
 import android.content.res.AssetManager;
+import android.content.res.Configuration;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.AsyncTask;
@@ -74,6 +75,7 @@ import java.util.Map;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatDelegate;
 import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
@@ -96,6 +98,7 @@ public class LOActivity extends AppCompatActivity {
     private static final String CLIPBOARD_COOL_SIGNATURE = "cool-clip-magic-4a22437e49a8-";
     public static final String RECENT_DOCUMENTS_KEY = "RECENT_DOCUMENTS_LIST";
     private static String USER_NAME_KEY = "USER_NAME";
+    public static final String NIGHT_MODE_KEY = "NIGHT_MODE";
 
     private File mTempFile = null;
 
@@ -858,6 +861,11 @@ public class LOActivity extends AppCompatActivity {
 
         if (isLargeScreen() && !isChromeOS())
             finalUrlToLoad += "&userinterfacemode=notebookbar";
+
+        if(isDarkMode()) {
+            finalUrlToLoad += "&darkTheme=true";
+        }
+
         // load the page
         mWebView.loadUrl(finalUrlToLoad);
 
@@ -866,6 +874,21 @@ public class LOActivity extends AppCompatActivity {
         loadDocumentMillis = android.os.SystemClock.uptimeMillis();
     }
 
+    private boolean isDarkMode() {
+        SharedPreferences recentPrefs = getSharedPreferences(EXPLORER_PREFS_KEY, MODE_PRIVATE);
+        int mode = recentPrefs.getInt(NIGHT_MODE_KEY, AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM);
+        switch (mode) {
+            case -1:
+                int darkModeFlag = getBaseContext().getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+                return darkModeFlag == Configuration.UI_MODE_NIGHT_YES;
+            case 1:
+                return false;
+            case 2:
+                return true;
+        }
+        return false;
+    }
+
     static {
         System.loadLibrary("androidapp");
     }
diff --git a/browser/html/cool.html.m4 b/browser/html/cool.html.m4
index 24bb5bedd..69caa2060 100644
--- a/browser/html/cool.html.m4
+++ b/browser/html/cool.html.m4
@@ -396,6 +396,10 @@ m4_ifelse(IOSAPP,[true],
 m4_ifelse(ANDROIDAPP,[true],
      [window.userInterfaceMode = window.getParameterByName('userinterfacemode');])
 
+m4_ifelse(ANDROIDAPP,[true],
+     [var darkTheme = window.getParameterByName('darkTheme');
+      if (darkTheme) {window.uiDefaults = {'darkTheme': true};}])
+
 m4_ifelse(EMSCRIPTENAPP,[true],
      [window.userInterfaceMode = 'notebookbar';])