8285217: [Android] Window's screen is not updated after native screen was disposed

Reviewed-by: jvos

Author: Jose Pereda

modules/javafx.graphics/src/main/java/com/sun/glass/ui/monocle/MonocleWindow.java

@@ -264,6 +264,11 @@ protected boolean _maximize(long nativeWindowPointer, boolean maximize,
         return true;
     }
 
+    @Override
+    protected void notifyMoveToAnotherScreen(Screen screen) {
+        super.notifyMoveToAnotherScreen(screen);
+    }
+
     void setFullScreen(boolean fullscreen) {
         NativeScreen screen = NativePlatformFactory.getNativePlatform().getScreen();
         int x = getX();

modules/javafx.graphics/src/main/java/com/sun/glass/ui/monocle/MonocleWindowManager.java

@@ -173,19 +173,18 @@ void repaintAll() {
         }
     }
 
-    static void repaintFromNative () {
-        Platform.runLater(new Runnable () {
-
-            @Override
-            public void run() {
-                Screen.notifySettingsChanged();
-                MonocleWindow focusedWindow = instance.getFocusedWindow();
-                if (focusedWindow != null) {
-                    focusedWindow.setFullScreen(true);
+    static void repaintFromNative(Screen screen) {
+        Platform.runLater(() -> {
+            Screen.notifySettingsChanged();
+            MonocleWindow focusedWindow = instance.getFocusedWindow();
+            if (focusedWindow != null) {
+                if (screen != null && screen.getNativeScreen() != focusedWindow.getScreen().getNativeScreen()) {
+                    focusedWindow.notifyMoveToAnotherScreen(screen);
                 }
-                instance.repaintAll();
-                Toolkit.getToolkit().requestNextPulse();
+                focusedWindow.setFullScreen(true);
             }
+            instance.repaintAll();
+            Toolkit.getToolkit().requestNextPulse();
         });
     }
 

modules/javafx.graphics/src/main/native-glass/monocle/android/nativeBridge.c

@@ -33,11 +33,13 @@ JavaVM *jVM = NULL;
 
 static jclass jAndroidInputDeviceRegistryClass;
 static jclass jMonocleWindowManagerClass;
+static jclass jScreenClass;
 
 static jmethodID monocle_gotTouchEventFromNative;
 static jmethodID monocle_dispatchKeyEventFromNative;
 static jmethodID monocle_repaintAll;
 static jmethodID monocle_registerDevice;
+static jmethodID screen_init;
 
 ANativeWindow* androidWindow = NULL;
 jfloat androidDensity = 0.f;
@@ -51,16 +53,18 @@ void initializeFromJava (JNIEnv *env) {
                                                  (*env)->FindClass(env, "com/sun/glass/ui/monocle/MonocleWindowManager"));
     jAndroidInputDeviceRegistryClass = (*env)->NewGlobalRef(env,
                                                  (*env)->FindClass(env, "com/sun/glass/ui/monocle/AndroidInputDeviceRegistry"));
+    jScreenClass = (*env)->NewGlobalRef(env, (*env)->FindClass(env, "com/sun/glass/ui/Screen"));
     monocle_repaintAll = (*env)->GetStaticMethodID(
                                             env, jMonocleWindowManagerClass, "repaintFromNative",
-                                            "()V");
+                                            "(Lcom/sun/glass/ui/Screen;)V");
     monocle_gotTouchEventFromNative = (*env)->GetStaticMethodID(
                                             env, jAndroidInputDeviceRegistryClass, "gotTouchEventFromNative",
                                             "(I[I[I[I[II)V");
     monocle_dispatchKeyEventFromNative = (*env)->GetStaticMethodID(
                                             env, jAndroidInputDeviceRegistryClass, "dispatchKeyEventFromNative",
                                             "(II[CI)V");
     monocle_registerDevice = (*env)->GetStaticMethodID(env, jAndroidInputDeviceRegistryClass, "registerDevice","()V");
+    screen_init = (*env)->GetMethodID(env, jScreenClass,"<init>", "(JIIIIIIIIIIIIIIIFFFF)V");
     GLASS_LOG_FINE("Initializing native Android Bridge done");
 }
 
@@ -153,7 +157,19 @@ void androidJfx_requestGlassToRedraw() {
         GLASS_LOG_WARNING("we can't do this yet, no monocle_repaintAll\n");
         return;
     }
-    (*javaEnv)->CallStaticVoidMethod(javaEnv, jMonocleWindowManagerClass, monocle_repaintAll);
+    if (androidWindow == NULL) {
+        GLASS_LOG_WARNING("we can't do this yet, no androidWindow\n");
+        return;
+    }
+    int32_t width = ANativeWindow_getWidth(androidWindow) / androidDensity;
+    int32_t height = ANativeWindow_getHeight(androidWindow) / androidDensity;
+    jobject screen = (*javaEnv)->NewObject(javaEnv, jScreenClass, screen_init,
+        (jlong) androidWindow, 24,
+        0, 0, (jint) width, (jint) height,
+        0, 0, (jint) width, (jint) height,
+        0, 0, (jint) width, (jint) height,
+        SCREEN_DPI, SCREEN_DPI, (jfloat) 1, (jfloat) 1, androidDensity, androidDensity);
+    (*javaEnv)->CallStaticVoidMethod(javaEnv, jMonocleWindowManagerClass, monocle_repaintAll, screen);
 }
 
 /* ===== called from Java ===== */

modules/javafx.graphics/src/main/native-glass/monocle/android/nativeBridge.h

@@ -36,6 +36,8 @@ void androidJfx_requestGlassToRedraw();
 #define GLASS_LOG_FINEST(...)  ((void)__android_log_print(ANDROID_LOG_INFO,"GLASS", __VA_ARGS__))
 #define GLASS_LOG_WARNING(...)  ((void)__android_log_print(ANDROID_LOG_INFO,"GLASS", __VA_ARGS__))
 
+static const jint SCREEN_DPI = 100;
+
 ANativeWindow* android_getNativeWindow(JNIEnv *env);
 jfloat android_getDensity(JNIEnv *env);