Merge pull request #1655 from kiwix/feature/macgills/1652-inverted-fullscreen

#1652 Fullscreen videos in Dark mode are inverted - extend night mode…

core/src/main/java/org/kiwix/kiwixmobile/core/main/KiwixWebView.java

@@ -42,6 +42,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import javax.inject.Inject;
+import org.jetbrains.annotations.NotNull;
 import org.kiwix.kiwixmobile.core.BuildConfig;
 import org.kiwix.kiwixmobile.core.CoreApp;
 import org.kiwix.kiwixmobile.core.R;
@@ -51,6 +52,7 @@ import org.kiwix.kiwixmobile.core.utils.SharedPreferenceUtil;
 
 import static org.kiwix.kiwixmobile.core.main.CoreMainActivity.HOME_URL;
 
+@SuppressLint("ViewConstructor")
 public class KiwixWebView extends VideoEnabledWebView {
   public static final float[] NIGHT_MODE_COLORS = {
     -1.0f, 0, 0, 0, 255, // red
@@ -58,20 +60,19 @@ public class KiwixWebView extends VideoEnabledWebView {
     0, 0, -1.0f, 0, 255, // blue
     0, 0, 0, 1.0f, 0 // alpha
   };
+  private final ViewGroup videoView;
   @Inject
   SharedPreferenceUtil sharedPreferenceUtil;
   @Inject
   ZimReaderContainer zimReaderContainer;
-  private WebViewCallback callback;
-
-  public KiwixWebView(Context context) {
-    super(context);
-  }
+  private final WebViewCallback callback;
+  private final Paint invertedPaint = createInvertedPaint();
 
   @SuppressLint("SetJavaScriptEnabled")
   public KiwixWebView(Context context, WebViewCallback callback, AttributeSet attrs,
     ViewGroup nonVideoView, ViewGroup videoView, CoreWebViewClient webViewClient) {
     super(context, attrs);
+    this.videoView = videoView;
     if (BuildConfig.DEBUG == true && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
       setWebContentsDebuggingEnabled(true);
     }
@@ -112,16 +113,22 @@ public class KiwixWebView extends VideoEnabledWebView {
 
   public void deactivateNightMode() {
     setLayerType(LAYER_TYPE_NONE, null);
+    videoView.setLayerType(LAYER_TYPE_NONE, null);
   }
 
   public void activateNightMode() {
     if (getUrl() != null && getUrl().equals(HOME_URL)) {
       return;
     }
+    setLayerType(LAYER_TYPE_HARDWARE, invertedPaint);
+    videoView.setLayerType(LAYER_TYPE_HARDWARE, invertedPaint);
+  }
+
+  @NotNull private Paint createInvertedPaint() {
     Paint paint = new Paint();
     ColorMatrixColorFilter filterInvert = new ColorMatrixColorFilter(NIGHT_MODE_COLORS);
     paint.setColorFilter(filterInvert);
-    setLayerType(LAYER_TYPE_HARDWARE, paint);
+    return paint;
   }
 
   @Override

core/src/main/java/org/kiwix/kiwixmobile/core/main/ToolbarScrollingKiwixWebView.java

@@ -18,6 +18,7 @@
 
 package org.kiwix.kiwixmobile.core.main;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
@@ -26,18 +27,14 @@ import android.view.ViewGroup;
 import org.kiwix.kiwixmobile.core.utils.DimenUtils;
 import org.kiwix.kiwixmobile.core.utils.SharedPreferenceUtil;
 
-public class ToolbarScrollingKiwixWebView extends KiwixWebView {
+@SuppressLint("ViewConstructor") public class ToolbarScrollingKiwixWebView extends KiwixWebView {
 
   private final int toolbarHeight = DimenUtils.getToolbarHeight(getContext());
-  private View toolbarView;
-  private View bottomBarView;
-  private SharedPreferenceUtil sharedPreferenceUtil;
+  private final View toolbarView;
+  private final View bottomBarView;
+  private final SharedPreferenceUtil sharedPreferenceUtil;
   private float startY;
 
-  public ToolbarScrollingKiwixWebView(Context context) {
-    super(context);
-  }
-
   public ToolbarScrollingKiwixWebView(Context context, WebViewCallback callback, AttributeSet attrs,
     ViewGroup nonVideoView, ViewGroup videoView, CoreWebViewClient webViewClient, View toolbarView,
     View bottomBarView, SharedPreferenceUtil sharedPreferenceUtil) {

core/src/main/java/org/kiwix/kiwixmobile/core/main/ToolbarStaticKiwixWebView.java

@@ -17,6 +17,7 @@
  */
 package org.kiwix.kiwixmobile.core.main;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.ViewGroup;
@@ -27,14 +28,11 @@ import org.kiwix.kiwixmobile.core.utils.SharedPreferenceUtil;
  * {@link KiwixWebView} which keeps the app bar fixed.
  */
 
+@SuppressLint("ViewConstructor")
 public class ToolbarStaticKiwixWebView extends KiwixWebView {
 
-  private int heightDifference;
-  private SharedPreferenceUtil sharedPreferenceUtil;
-
-  public ToolbarStaticKiwixWebView(Context context) {
-    super(context);
-  }
+  private final int heightDifference;
+  private final SharedPreferenceUtil sharedPreferenceUtil;
 
   public ToolbarStaticKiwixWebView(Context context, WebViewCallback callback,
     AttributeSet attrs, ViewGroup nonVideoView, ViewGroup videoView,