android: Remove PiP reliance on fragment

src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.kt

@@ -282,6 +282,11 @@ object NativeLibrary {
      */
     external fun isRunning(): Boolean
 
+    /**
+     * Returns true if emulation is paused.
+     */
+    external fun isPaused(): Boolean
+
     /**
      * Returns the performance stats for the current game
      */

src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt

@@ -271,8 +271,7 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
         val pictureInPictureActions : MutableList<RemoteAction> = mutableListOf()
         val pendingFlags = PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
 
-        val isEmulationPaused = emulationFragment?.isEmulationStatePaused() ?: false
-        if (isEmulationPaused) {
+        if (NativeLibrary.isPaused()) {
             val playIcon = Icon.createWithResource(this@EmulationActivity, R.drawable.ic_pip_play)
             val playPendingIntent = PendingIntent.getBroadcast(
                 this@EmulationActivity, R.drawable.ic_pip_play, Intent(actionPlay), pendingFlags
@@ -303,9 +302,9 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
     private var pictureInPictureReceiver = object : BroadcastReceiver() {
         override fun onReceive(context : Context?, intent : Intent) {
             if (intent.action == actionPlay) {
-                emulationFragment?.onPictureInPicturePlay()
+                if (NativeLibrary.isPaused()) NativeLibrary.unPauseEmulation()
             } else if (intent.action == actionPause) {
-                emulationFragment?.onPictureInPicturePause()
+                if (!NativeLibrary.isPaused()) NativeLibrary.pauseEmulation()
             }
             buildPictureInPictureParams()
         }
@@ -320,12 +319,10 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
             }.also {
                 registerReceiver(pictureInPictureReceiver, it)
             }
-            emulationFragment?.onPictureInPictureEnter()
         } else {
             try {
                 unregisterReceiver(pictureInPictureReceiver)
             } catch (ignored : Exception) { }
-            emulationFragment?.onPictureInPictureLeave()
         }
     }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt

@@ -77,6 +77,14 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
             emulationActivity = context
             NativeLibrary.setEmulationActivity(context)
 
+            lifecycleScope.launch(Dispatchers.Main) {
+                lifecycle.repeatOnLifecycle(Lifecycle.State.STARTED) {
+                    WindowInfoTracker.getOrCreate(context)
+                        .windowLayoutInfo(context)
+                        .collect { updateFoldableLayout(context, it) }
+                }
+            }
+
             onReturnFromSettings = context.activityResultRegistry.register(
                 "SettingsResult", ActivityResultContracts.StartActivityForResult()
             ) {
@@ -198,6 +206,17 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
 
     override fun onConfigurationChanged(newConfig: Configuration) {
         super.onConfigurationChanged(newConfig)
+        if (emulationActivity?.isInPictureInPictureMode == true) {
+            if (binding.drawerLayout.isOpen) {
+                binding.drawerLayout.close()
+            }
+            if (EmulationMenuSettings.showOverlay) {
+                binding.surfaceInputOverlay.post { binding.surfaceInputOverlay.isVisible = false }
+            }
+        } else {
+            if (EmulationMenuSettings.showOverlay) {
+                binding.surfaceInputOverlay.post { binding.surfaceInputOverlay.isVisible = true }
+            }
             if (!isInFoldableLayout) {
                 if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {
                     binding.surfaceInputOverlay.setOrientation(InputOverlay.PORTRAIT)
@@ -205,7 +224,10 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                     binding.surfaceInputOverlay.setOrientation(InputOverlay.LANDSCAPE)
                 }
             }
-        if (!binding.surfaceInputOverlay.isInEditMode) refreshInputOverlay()
+            if (!binding.surfaceInputOverlay.isInEditMode) {
+                refreshInputOverlay()
+            }
+        }
     }
 
     override fun onResume() {
@@ -247,37 +269,6 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
         super.onDetach()
     }
 
-    fun isEmulationStatePaused() : Boolean {
-        return this::emulationState.isInitialized && emulationState.isPaused
-    }
-
-    fun onPictureInPictureEnter() {
-        if (binding.drawerLayout.isOpen) {
-            binding.drawerLayout.close()
-        }
-        if (EmulationMenuSettings.showOverlay) {
-            binding.surfaceInputOverlay.post { binding.surfaceInputOverlay.isVisible = false }
-        }
-    }
-
-    fun onPictureInPicturePause() {
-        if (!emulationState.isPaused) {
-            emulationState.pause()
-        }
-    }
-
-    fun onPictureInPicturePlay() {
-        if (emulationState.isPaused) {
-            emulationState.run(false)
-        }
-    }
-
-    fun onPictureInPictureLeave() {
-        if (EmulationMenuSettings.showOverlay) {
-            binding.surfaceInputOverlay.post { binding.surfaceInputOverlay.isVisible = true }
-        }
-    }
-
     private fun refreshInputOverlay() {
         binding.surfaceInputOverlay.refreshControls()
     }
@@ -338,7 +329,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
 
     private val Number.toPx get() = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, this.toFloat(), Resources.getSystem().displayMetrics).toInt()
 
-    fun updateFoldableLayout(emulationActivity: EmulationActivity, newLayoutInfo: WindowLayoutInfo) {
+    private fun updateFoldableLayout(emulationActivity: EmulationActivity, newLayoutInfo: WindowLayoutInfo) {
         val isFolding = (newLayoutInfo.displayFeatures.find { it is FoldingFeature } as? FoldingFeature)?.let {
             if (it.isSeparating) {
                 emulationActivity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED

src/android/app/src/main/jni/native.cpp

@@ -202,6 +202,11 @@ public:
         return m_is_running;
     }
 
+    bool IsPaused() const {
+        std::scoped_lock lock(m_mutex);
+        return m_is_running && m_is_paused;
+    }
+
     const Core::PerfStatsResults& PerfStats() const {
         std::scoped_lock m_perf_stats_lock(m_perf_stats_mutex);
         return m_perf_stats;
@@ -287,11 +292,13 @@ public:
     void PauseEmulation() {
         std::scoped_lock lock(m_mutex);
         m_system.Pause();
+        m_is_paused = true;
     }
 
     void UnPauseEmulation() {
         std::scoped_lock lock(m_mutex);
         m_system.Run();
+        m_is_paused = false;
     }
 
     void HaltEmulation() {
@@ -473,6 +480,7 @@ private:
     std::shared_ptr<FileSys::VfsFilesystem> m_vfs;
     Core::SystemResultStatus m_load_result{Core::SystemResultStatus::ErrorNotInitialized};
     bool m_is_running{};
+    bool m_is_paused{};
     SoftwareKeyboard::AndroidKeyboard* m_software_keyboard{};
     std::unique_ptr<Service::Account::ProfileManager> m_profile_manager;
 
@@ -583,6 +591,11 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isRunning([[maybe_unused]] JNIEnv
     return static_cast<jboolean>(EmulationSession::GetInstance().IsRunning());
 }
 
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isPaused([[maybe_unused]] JNIEnv* env,
+                                                        [[maybe_unused]] jclass clazz) {
+    return static_cast<jboolean>(EmulationSession::GetInstance().IsPaused());
+}
+
 jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isHandheldOnly([[maybe_unused]] JNIEnv* env,
                                                               [[maybe_unused]] jclass clazz) {
     return EmulationSession::GetInstance().IsHandheldOnly();

src/android/app/src/main/res/values/integers.xml

@@ -59,43 +59,43 @@
     <integer name="SWITCH_BUTTON_MINUS_PORTRAIT_Y">950</integer>
     <integer name="SWITCH_BUTTON_PLUS_PORTRAIT_X">560</integer>
     <integer name="SWITCH_BUTTON_PLUS_PORTRAIT_Y">950</integer>
-    <integer name="SWITCH_BUTTON_HOME_PORTRAIT_X">600</integer>
+    <integer name="SWITCH_BUTTON_HOME_PORTRAIT_X">660</integer>
     <integer name="SWITCH_BUTTON_HOME_PORTRAIT_Y">950</integer>
-    <integer name="SWITCH_BUTTON_CAPTURE_PORTRAIT_X">400</integer>
+    <integer name="SWITCH_BUTTON_CAPTURE_PORTRAIT_X">320</integer>
     <integer name="SWITCH_BUTTON_CAPTURE_PORTRAIT_Y">950</integer>
     <integer name="SWITCH_BUTTON_DPAD_PORTRAIT_X">240</integer>
     <integer name="SWITCH_BUTTON_DPAD_PORTRAIT_Y">820</integer>
 
     <!-- Default SWITCH foldable layout -->
     <integer name="SWITCH_BUTTON_A_FOLDABLE_X">840</integer>
-    <integer name="SWITCH_BUTTON_A_FOLDABLE_Y">420</integer>
+    <integer name="SWITCH_BUTTON_A_FOLDABLE_Y">340</integer>
     <integer name="SWITCH_BUTTON_B_FOLDABLE_X">740</integer>
-    <integer name="SWITCH_BUTTON_B_FOLDABLE_Y">460</integer>
+    <integer name="SWITCH_BUTTON_B_FOLDABLE_Y">380</integer>
     <integer name="SWITCH_BUTTON_X_FOLDABLE_X">740</integer>
-    <integer name="SWITCH_BUTTON_X_FOLDABLE_Y">380</integer>
+    <integer name="SWITCH_BUTTON_X_FOLDABLE_Y">300</integer>
     <integer name="SWITCH_BUTTON_Y_FOLDABLE_X">640</integer>
-    <integer name="SWITCH_BUTTON_Y_FOLDABLE_Y">420</integer>
+    <integer name="SWITCH_BUTTON_Y_FOLDABLE_Y">340</integer>
     <integer name="SWITCH_STICK_L_FOLDABLE_X">180</integer>
-    <integer name="SWITCH_STICK_L_FOLDABLE_Y">240</integer>
+    <integer name="SWITCH_STICK_L_FOLDABLE_Y">200</integer>
     <integer name="SWITCH_STICK_R_FOLDABLE_X">820</integer>
-    <integer name="SWITCH_STICK_R_FOLDABLE_Y">240</integer>
+    <integer name="SWITCH_STICK_R_FOLDABLE_Y">200</integer>
     <integer name="SWITCH_TRIGGER_L_FOLDABLE_X">140</integer>
-    <integer name="SWITCH_TRIGGER_L_FOLDABLE_Y">100</integer>
+    <integer name="SWITCH_TRIGGER_L_FOLDABLE_Y">80</integer>
     <integer name="SWITCH_TRIGGER_R_FOLDABLE_X">860</integer>
-    <integer name="SWITCH_TRIGGER_R_FOLDABLE_Y">100</integer>
+    <integer name="SWITCH_TRIGGER_R_FOLDABLE_Y">80</integer>
     <integer name="SWITCH_TRIGGER_ZL_FOLDABLE_X">140</integer>
-    <integer name="SWITCH_TRIGGER_ZL_FOLDABLE_Y">40</integer>
+    <integer name="SWITCH_TRIGGER_ZL_FOLDABLE_Y">20</integer>
     <integer name="SWITCH_TRIGGER_ZR_FOLDABLE_X">860</integer>
-    <integer name="SWITCH_TRIGGER_ZR_FOLDABLE_Y">40</integer>
+    <integer name="SWITCH_TRIGGER_ZR_FOLDABLE_Y">20</integer>
     <integer name="SWITCH_BUTTON_MINUS_FOLDABLE_X">440</integer>
-    <integer name="SWITCH_BUTTON_MINUS_FOLDABLE_Y">550</integer>
+    <integer name="SWITCH_BUTTON_MINUS_FOLDABLE_Y">420</integer>
     <integer name="SWITCH_BUTTON_PLUS_FOLDABLE_X">560</integer>
-    <integer name="SWITCH_BUTTON_PLUS_FOLDABLE_Y">550</integer>
-    <integer name="SWITCH_BUTTON_HOME_FOLDABLE_X">600</integer>
-    <integer name="SWITCH_BUTTON_HOME_FOLDABLE_Y">550</integer>
-    <integer name="SWITCH_BUTTON_CAPTURE_FOLDABLE_X">400</integer>
-    <integer name="SWITCH_BUTTON_CAPTURE_FOLDABLE_Y">550</integer>
+    <integer name="SWITCH_BUTTON_PLUS_FOLDABLE_Y">420</integer>
+    <integer name="SWITCH_BUTTON_HOME_FOLDABLE_X">680</integer>
+    <integer name="SWITCH_BUTTON_HOME_FOLDABLE_Y">420</integer>
+    <integer name="SWITCH_BUTTON_CAPTURE_FOLDABLE_X">320</integer>
+    <integer name="SWITCH_BUTTON_CAPTURE_FOLDABLE_Y">420</integer>
     <integer name="SWITCH_BUTTON_DPAD_FOLDABLE_X">240</integer>
-    <integer name="SWITCH_BUTTON_DPAD_FOLDABLE_Y">420</integer>
+    <integer name="SWITCH_BUTTON_DPAD_FOLDABLE_Y">340</integer>
 
 </resources>