android: Convert EmulationFragment to Kotlin
This commit is contained in:
Charles Lombardo
bunnei
@@ -1,375 +0,0 @@
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package org.yuzu.yuzu_emu.fragments;
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import android.content.Context;
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import android.content.IntentFilter;
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import android.content.SharedPreferences;
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import android.graphics.Color;
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import android.os.Bundle;
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import android.os.Handler;
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import android.preference.PreferenceManager;
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import android.view.Choreographer;
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import android.view.LayoutInflater;
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import android.view.Surface;
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import android.view.SurfaceHolder;
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import android.view.SurfaceView;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.TextView;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.fragment.app.Fragment;
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import androidx.localbroadcastmanager.content.LocalBroadcastManager;
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import org.yuzu.yuzu_emu.NativeLibrary;
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import org.yuzu.yuzu_emu.R;
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import org.yuzu.yuzu_emu.activities.EmulationActivity;
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import org.yuzu.yuzu_emu.overlay.InputOverlay;
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import org.yuzu.yuzu_emu.utils.DirectoryInitialization;
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import org.yuzu.yuzu_emu.utils.DirectoryInitialization.DirectoryInitializationState;
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import org.yuzu.yuzu_emu.utils.DirectoryStateReceiver;
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import org.yuzu.yuzu_emu.utils.Log;
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public final class EmulationFragment extends Fragment implements SurfaceHolder.Callback, Choreographer.FrameCallback {
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private static final String KEY_GAMEPATH = "gamepath";
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private static final Handler perfStatsUpdateHandler = new Handler();
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private SharedPreferences mPreferences;
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private InputOverlay mInputOverlay;
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private EmulationState mEmulationState;
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private DirectoryStateReceiver directoryStateReceiver;
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private EmulationActivity activity;
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private TextView mPerfStats;
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private Runnable perfStatsUpdater;
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public static EmulationFragment newInstance(String gamePath) {
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Bundle args = new Bundle();
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args.putString(KEY_GAMEPATH, gamePath);
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EmulationFragment fragment = new EmulationFragment();
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fragment.setArguments(args);
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return fragment;
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}
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@Override
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public void onAttach(@NonNull Context context) {
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super.onAttach(context);
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if (context instanceof EmulationActivity) {
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activity = (EmulationActivity) context;
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NativeLibrary.setEmulationActivity((EmulationActivity) context);
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} else {
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throw new IllegalStateException("EmulationFragment must have EmulationActivity parent");
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}
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}
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/**
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* Initialize anything that doesn't depend on the layout / views in here.
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*/
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// So this fragment doesn't restart on configuration changes; i.e. rotation.
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setRetainInstance(true);
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mPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
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String gamePath = getArguments().getString(KEY_GAMEPATH);
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mEmulationState = new EmulationState(gamePath);
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}
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/**
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* Initialize the UI and start emulation in here.
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*/
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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View contents = inflater.inflate(R.layout.fragment_emulation, container, false);
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SurfaceView surfaceView = contents.findViewById(R.id.surface_emulation);
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surfaceView.getHolder().addCallback(this);
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mInputOverlay = contents.findViewById(R.id.surface_input_overlay);
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mPerfStats = contents.findViewById(R.id.show_fps_text);
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mPerfStats.setTextColor(Color.YELLOW);
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Button doneButton = contents.findViewById(R.id.done_control_config);
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if (doneButton != null) {
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doneButton.setOnClickListener(v -> stopConfiguringControls());
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}
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// Setup overlay.
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resetInputOverlay();
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updateShowFpsOverlay();
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// The new Surface created here will get passed to the native code via onSurfaceChanged.
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return contents;
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}
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@Override
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public void onResume() {
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super.onResume();
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Choreographer.getInstance().postFrameCallback(this);
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if (DirectoryInitialization.areDirectoriesReady()) {
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mEmulationState.run(activity.isActivityRecreated());
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} else {
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setupDirectoriesThenStartEmulation();
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}
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}
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@Override
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public void onPause() {
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if (directoryStateReceiver != null) {
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LocalBroadcastManager.getInstance(getActivity()).unregisterReceiver(directoryStateReceiver);
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directoryStateReceiver = null;
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}
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if (mEmulationState.isRunning()) {
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mEmulationState.pause();
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}
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Choreographer.getInstance().removeFrameCallback(this);
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super.onPause();
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}
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@Override
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public void onDetach() {
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NativeLibrary.clearEmulationActivity();
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super.onDetach();
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}
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private void setupDirectoriesThenStartEmulation() {
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IntentFilter statusIntentFilter = new IntentFilter(
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DirectoryInitialization.BROADCAST_ACTION);
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directoryStateReceiver =
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new DirectoryStateReceiver(directoryInitializationState ->
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{
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if (directoryInitializationState ==
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DirectoryInitializationState.YUZU_DIRECTORIES_INITIALIZED) {
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mEmulationState.run(activity.isActivityRecreated());
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} else if (directoryInitializationState ==
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DirectoryInitializationState.CANT_FIND_EXTERNAL_STORAGE) {
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Toast.makeText(getContext(), R.string.external_storage_not_mounted,
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Toast.LENGTH_SHORT)
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.show();
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}
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});
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// Registers the DirectoryStateReceiver and its intent filters
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LocalBroadcastManager.getInstance(getActivity()).registerReceiver(
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directoryStateReceiver,
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statusIntentFilter);
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DirectoryInitialization.start(getActivity());
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}
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public void refreshInputOverlay() {
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mInputOverlay.refreshControls();
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}
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public void resetInputOverlay() {
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// Reset button scale
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SharedPreferences.Editor editor = mPreferences.edit();
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editor.putInt("controlScale", 50);
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editor.apply();
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mInputOverlay.resetButtonPlacement();
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}
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public void updateShowFpsOverlay() {
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if (true) {
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final int SYSTEM_FPS = 0;
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final int FPS = 1;
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final int FRAMETIME = 2;
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final int SPEED = 3;
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perfStatsUpdater = () ->
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{
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final double[] perfStats = NativeLibrary.GetPerfStats();
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if (perfStats[FPS] > 0) {
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mPerfStats.setText(String.format("FPS: %.1f", perfStats[FPS]));
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}
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perfStatsUpdateHandler.postDelayed(perfStatsUpdater, 100);
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};
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perfStatsUpdateHandler.post(perfStatsUpdater);
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mPerfStats.setVisibility(View.VISIBLE);
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} else {
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if (perfStatsUpdater != null) {
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perfStatsUpdateHandler.removeCallbacks(perfStatsUpdater);
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}
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mPerfStats.setVisibility(View.GONE);
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}
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}
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@Override
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public void surfaceCreated(SurfaceHolder holder) {
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// We purposely don't do anything here.
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// All work is done in surfaceChanged, which we are guaranteed to get even for surface creation.
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}
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@Override
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public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
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Log.debug("[EmulationFragment] Surface changed. Resolution: " + width + "x" + height);
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mEmulationState.newSurface(holder.getSurface());
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}
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@Override
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public void surfaceDestroyed(SurfaceHolder holder) {
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mEmulationState.clearSurface();
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}
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@Override
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public void doFrame(long frameTimeNanos) {
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Choreographer.getInstance().postFrameCallback(this);
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NativeLibrary.DoFrame();
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}
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public void stopEmulation() {
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mEmulationState.stop();
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}
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public void startConfiguringControls() {
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getView().findViewById(R.id.done_control_config).setVisibility(View.VISIBLE);
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mInputOverlay.setIsInEditMode(true);
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}
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public void stopConfiguringControls() {
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getView().findViewById(R.id.done_control_config).setVisibility(View.GONE);
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mInputOverlay.setIsInEditMode(false);
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}
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public boolean isConfiguringControls() {
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return mInputOverlay.isInEditMode();
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}
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private static class EmulationState {
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private final String mGamePath;
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private State state;
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private Surface mSurface;
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private boolean mRunWhenSurfaceIsValid;
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EmulationState(String gamePath) {
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mGamePath = gamePath;
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// Starting state is stopped.
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state = State.STOPPED;
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}
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public synchronized boolean isStopped() {
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return state == State.STOPPED;
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}
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// Getters for the current state
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public synchronized boolean isPaused() {
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return state == State.PAUSED;
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}
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public synchronized boolean isRunning() {
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return state == State.RUNNING;
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}
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public synchronized void stop() {
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if (state != State.STOPPED) {
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Log.debug("[EmulationFragment] Stopping emulation.");
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state = State.STOPPED;
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NativeLibrary.StopEmulation();
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} else {
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Log.warning("[EmulationFragment] Stop called while already stopped.");
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}
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}
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// State changing methods
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public synchronized void pause() {
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if (state != State.PAUSED) {
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state = State.PAUSED;
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Log.debug("[EmulationFragment] Pausing emulation.");
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// Release the surface before pausing, since emulation has to be running for that.
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NativeLibrary.SurfaceDestroyed();
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NativeLibrary.PauseEmulation();
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} else {
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Log.warning("[EmulationFragment] Pause called while already paused.");
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}
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}
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public synchronized void run(boolean isActivityRecreated) {
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if (isActivityRecreated) {
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if (NativeLibrary.IsRunning()) {
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state = State.PAUSED;
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}
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} else {
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Log.debug("[EmulationFragment] activity resumed or fresh start");
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}
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// If the surface is set, run now. Otherwise, wait for it to get set.
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if (mSurface != null) {
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runWithValidSurface();
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} else {
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mRunWhenSurfaceIsValid = true;
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}
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}
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// Surface callbacks
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public synchronized void newSurface(Surface surface) {
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mSurface = surface;
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if (mRunWhenSurfaceIsValid) {
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runWithValidSurface();
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}
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}
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public synchronized void clearSurface() {
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if (mSurface == null) {
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Log.warning("[EmulationFragment] clearSurface called, but surface already null.");
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} else {
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mSurface = null;
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Log.debug("[EmulationFragment] Surface destroyed.");
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if (state == State.RUNNING) {
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NativeLibrary.SurfaceDestroyed();
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state = State.PAUSED;
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} else if (state == State.PAUSED) {
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Log.warning("[EmulationFragment] Surface cleared while emulation paused.");
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} else {
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Log.warning("[EmulationFragment] Surface cleared while emulation stopped.");
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}
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}
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}
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private void runWithValidSurface() {
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mRunWhenSurfaceIsValid = false;
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if (state == State.STOPPED) {
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NativeLibrary.SurfaceChanged(mSurface);
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Thread mEmulationThread = new Thread(() ->
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{
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Log.debug("[EmulationFragment] Starting emulation thread.");
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NativeLibrary.Run(mGamePath);
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}, "NativeEmulation");
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mEmulationThread.start();
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} else if (state == State.PAUSED) {
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Log.debug("[EmulationFragment] Resuming emulation.");
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NativeLibrary.SurfaceChanged(mSurface);
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NativeLibrary.UnPauseEmulation();
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} else {
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Log.debug("[EmulationFragment] Bug, run called while already running.");
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}
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state = State.RUNNING;
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}
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private enum State {
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STOPPED, RUNNING, PAUSED
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}
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}
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}
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@@ -0,0 +1,348 @@
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package org.yuzu.yuzu_emu.fragments
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import android.content.Context
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import android.content.IntentFilter
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import android.content.SharedPreferences
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import android.graphics.Color
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import android.os.Bundle
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import android.os.Handler
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import android.view.*
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import android.widget.Button
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import android.widget.TextView
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import android.widget.Toast
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import androidx.fragment.app.Fragment
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import androidx.localbroadcastmanager.content.LocalBroadcastManager
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import androidx.preference.PreferenceManager
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import org.yuzu.yuzu_emu.NativeLibrary
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import org.yuzu.yuzu_emu.R
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import org.yuzu.yuzu_emu.YuzuApplication
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import org.yuzu.yuzu_emu.activities.EmulationActivity
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import org.yuzu.yuzu_emu.features.settings.model.Settings
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import org.yuzu.yuzu_emu.overlay.InputOverlay
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import org.yuzu.yuzu_emu.utils.DirectoryInitialization
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import org.yuzu.yuzu_emu.utils.DirectoryInitialization.DirectoryInitializationState
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import org.yuzu.yuzu_emu.utils.DirectoryStateReceiver
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import org.yuzu.yuzu_emu.utils.Log
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class EmulationFragment : Fragment(), SurfaceHolder.Callback, Choreographer.FrameCallback {
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private lateinit var preferences: SharedPreferences
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private var inputOverlay: InputOverlay? = null
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private lateinit var emulationState: EmulationState
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private var directoryStateReceiver: DirectoryStateReceiver? = null
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private var emulationActivity: EmulationActivity? = null
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private lateinit var perfStats: TextView
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private var perfStatsUpdater: (() -> Unit)? = null
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override fun onAttach(context: Context) {
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super.onAttach(context)
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if (context is EmulationActivity) {
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emulationActivity = context
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NativeLibrary.setEmulationActivity(context)
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} else {
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throw IllegalStateException("EmulationFragment must have EmulationActivity parent")
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}
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}
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/**
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* Initialize anything that doesn't depend on the layout / views in here.
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*/
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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// So this fragment doesn't restart on configuration changes; i.e. rotation.
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retainInstance = true
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preferences = PreferenceManager.getDefaultSharedPreferences(YuzuApplication.appContext)
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val gamePath = requireArguments().getString(KEY_GAMEPATH)
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emulationState = EmulationState(gamePath)
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}
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/**
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* Initialize the UI and start emulation in here.
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*/
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override fun onCreateView(
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inflater: LayoutInflater,
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container: ViewGroup?,
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savedInstanceState: Bundle?
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): View? {
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val contents = inflater.inflate(R.layout.fragment_emulation, container, false)
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val surfaceView = contents.findViewById<SurfaceView>(R.id.surface_emulation)
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surfaceView.holder.addCallback(this)
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inputOverlay = contents.findViewById(R.id.surface_input_overlay)
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perfStats = contents.findViewById(R.id.show_fps_text)
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perfStats.setTextColor(Color.YELLOW)
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val doneButton = contents.findViewById<Button>(R.id.done_control_config)
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doneButton?.setOnClickListener { stopConfiguringControls() }
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// Setup overlay.
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resetInputOverlay()
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updateShowFpsOverlay()
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// The new Surface created here will get passed to the native code via onSurfaceChanged.
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return contents
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}
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override fun onResume() {
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super.onResume()
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Choreographer.getInstance().postFrameCallback(this)
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if (DirectoryInitialization.areDirectoriesReady()) {
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emulationState.run(emulationActivity!!.isActivityRecreated)
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} else {
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setupDirectoriesThenStartEmulation()
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}
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}
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override fun onPause() {
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if (directoryStateReceiver != null) {
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LocalBroadcastManager.getInstance(requireActivity()).unregisterReceiver(
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directoryStateReceiver!!
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)
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directoryStateReceiver = null
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}
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if (emulationState.isRunning) {
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emulationState.pause()
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}
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Choreographer.getInstance().removeFrameCallback(this)
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super.onPause()
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}
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override fun onDetach() {
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NativeLibrary.clearEmulationActivity()
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super.onDetach()
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}
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private fun setupDirectoriesThenStartEmulation() {
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val statusIntentFilter = IntentFilter(
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DirectoryInitialization.BROADCAST_ACTION
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)
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directoryStateReceiver =
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DirectoryStateReceiver { directoryInitializationState: DirectoryInitializationState ->
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if (directoryInitializationState ==
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DirectoryInitializationState.YUZU_DIRECTORIES_INITIALIZED
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) {
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emulationState.run(emulationActivity!!.isActivityRecreated)
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} else if (directoryInitializationState ==
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DirectoryInitializationState.CANT_FIND_EXTERNAL_STORAGE
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) {
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Toast.makeText(
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context,
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R.string.external_storage_not_mounted,
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Toast.LENGTH_SHORT
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)
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||||
.show()
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}
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||||
}
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||||
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||||
// Registers the DirectoryStateReceiver and its intent filters
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||||
LocalBroadcastManager.getInstance(requireActivity()).registerReceiver(
|
||||
directoryStateReceiver!!,
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statusIntentFilter
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||||
)
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DirectoryInitialization.start(requireContext())
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}
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|
||||
fun refreshInputOverlay() {
|
||||
inputOverlay!!.refreshControls()
|
||||
}
|
||||
|
||||
fun resetInputOverlay() {
|
||||
// Reset button scale
|
||||
preferences.edit()
|
||||
.putInt(Settings.PREF_CONTROL_SCALE, 50)
|
||||
.apply()
|
||||
inputOverlay!!.resetButtonPlacement()
|
||||
}
|
||||
|
||||
private fun updateShowFpsOverlay() {
|
||||
// TODO: Create a setting so that this actually works...
|
||||
if (true) {
|
||||
val SYSTEM_FPS = 0
|
||||
val FPS = 1
|
||||
val FRAMETIME = 2
|
||||
val SPEED = 3
|
||||
perfStatsUpdater = {
|
||||
val perfStats = NativeLibrary.GetPerfStats()
|
||||
if (perfStats[FPS] > 0) {
|
||||
this.perfStats.text = String.format("FPS: %.1f", perfStats[FPS])
|
||||
}
|
||||
perfStatsUpdateHandler.postDelayed(perfStatsUpdater!!, 100)
|
||||
}
|
||||
perfStatsUpdateHandler.post(perfStatsUpdater!!)
|
||||
perfStats.visibility = View.VISIBLE
|
||||
} else {
|
||||
if (perfStatsUpdater != null) {
|
||||
perfStatsUpdateHandler.removeCallbacks(perfStatsUpdater!!)
|
||||
}
|
||||
perfStats.visibility = View.GONE
|
||||
}
|
||||
}
|
||||
|
||||
override fun surfaceCreated(holder: SurfaceHolder) {
|
||||
// We purposely don't do anything here.
|
||||
// All work is done in surfaceChanged, which we are guaranteed to get even for surface creation.
|
||||
}
|
||||
|
||||
override fun surfaceChanged(holder: SurfaceHolder, format: Int, width: Int, height: Int) {
|
||||
Log.debug("[EmulationFragment] Surface changed. Resolution: " + width + "x" + height)
|
||||
emulationState.newSurface(holder.surface)
|
||||
}
|
||||
|
||||
override fun surfaceDestroyed(holder: SurfaceHolder) {
|
||||
emulationState.clearSurface()
|
||||
}
|
||||
|
||||
override fun doFrame(frameTimeNanos: Long) {
|
||||
Choreographer.getInstance().postFrameCallback(this)
|
||||
NativeLibrary.DoFrame()
|
||||
}
|
||||
|
||||
fun stopEmulation() {
|
||||
emulationState.stop()
|
||||
}
|
||||
|
||||
fun startConfiguringControls() {
|
||||
requireView().findViewById<View>(R.id.done_control_config).visibility =
|
||||
View.VISIBLE
|
||||
inputOverlay!!.setIsInEditMode(true)
|
||||
}
|
||||
|
||||
fun stopConfiguringControls() {
|
||||
requireView().findViewById<View>(R.id.done_control_config).visibility = View.GONE
|
||||
inputOverlay!!.setIsInEditMode(false)
|
||||
}
|
||||
|
||||
val isConfiguringControls: Boolean
|
||||
get() = inputOverlay!!.isInEditMode
|
||||
|
||||
private class EmulationState(private val mGamePath: String?) {
|
||||
private var state: State
|
||||
private var surface: Surface? = null
|
||||
private var runWhenSurfaceIsValid = false
|
||||
|
||||
init {
|
||||
// Starting state is stopped.
|
||||
state = State.STOPPED
|
||||
}
|
||||
|
||||
@get:Synchronized
|
||||
val isStopped: Boolean
|
||||
get() = state == State.STOPPED
|
||||
|
||||
// Getters for the current state
|
||||
@get:Synchronized
|
||||
val isPaused: Boolean
|
||||
get() = state == State.PAUSED
|
||||
|
||||
@get:Synchronized
|
||||
val isRunning: Boolean
|
||||
get() = state == State.RUNNING
|
||||
|
||||
@Synchronized
|
||||
fun stop() {
|
||||
if (state != State.STOPPED) {
|
||||
Log.debug("[EmulationFragment] Stopping emulation.")
|
||||
state = State.STOPPED
|
||||
NativeLibrary.StopEmulation()
|
||||
} else {
|
||||
Log.warning("[EmulationFragment] Stop called while already stopped.")
|
||||
}
|
||||
}
|
||||
|
||||
// State changing methods
|
||||
@Synchronized
|
||||
fun pause() {
|
||||
if (state != State.PAUSED) {
|
||||
state = State.PAUSED
|
||||
Log.debug("[EmulationFragment] Pausing emulation.")
|
||||
|
||||
// Release the surface before pausing, since emulation has to be running for that.
|
||||
NativeLibrary.SurfaceDestroyed()
|
||||
NativeLibrary.PauseEmulation()
|
||||
} else {
|
||||
Log.warning("[EmulationFragment] Pause called while already paused.")
|
||||
}
|
||||
}
|
||||
|
||||
@Synchronized
|
||||
fun run(isActivityRecreated: Boolean) {
|
||||
if (isActivityRecreated) {
|
||||
if (NativeLibrary.IsRunning()) {
|
||||
state = State.PAUSED
|
||||
}
|
||||
} else {
|
||||
Log.debug("[EmulationFragment] activity resumed or fresh start")
|
||||
}
|
||||
|
||||
// If the surface is set, run now. Otherwise, wait for it to get set.
|
||||
if (surface != null) {
|
||||
runWithValidSurface()
|
||||
} else {
|
||||
runWhenSurfaceIsValid = true
|
||||
}
|
||||
}
|
||||
|
||||
// Surface callbacks
|
||||
@Synchronized
|
||||
fun newSurface(surface: Surface?) {
|
||||
this.surface = surface
|
||||
if (runWhenSurfaceIsValid) {
|
||||
runWithValidSurface()
|
||||
}
|
||||
}
|
||||
|
||||
@Synchronized
|
||||
fun clearSurface() {
|
||||
if (surface == null) {
|
||||
Log.warning("[EmulationFragment] clearSurface called, but surface already null.")
|
||||
} else {
|
||||
surface = null
|
||||
Log.debug("[EmulationFragment] Surface destroyed.")
|
||||
when (state) {
|
||||
State.RUNNING -> {
|
||||
NativeLibrary.SurfaceDestroyed()
|
||||
state = State.PAUSED
|
||||
}
|
||||
State.PAUSED -> Log.warning("[EmulationFragment] Surface cleared while emulation paused.")
|
||||
else -> Log.warning("[EmulationFragment] Surface cleared while emulation stopped.")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private fun runWithValidSurface() {
|
||||
runWhenSurfaceIsValid = false
|
||||
when (state) {
|
||||
State.STOPPED -> {
|
||||
NativeLibrary.SurfaceChanged(surface)
|
||||
val mEmulationThread = Thread({
|
||||
Log.debug("[EmulationFragment] Starting emulation thread.")
|
||||
NativeLibrary.Run(mGamePath)
|
||||
}, "NativeEmulation")
|
||||
mEmulationThread.start()
|
||||
}
|
||||
State.PAUSED -> {
|
||||
Log.debug("[EmulationFragment] Resuming emulation.")
|
||||
NativeLibrary.SurfaceChanged(surface)
|
||||
NativeLibrary.UnPauseEmulation()
|
||||
}
|
||||
else -> Log.debug("[EmulationFragment] Bug, run called while already running.")
|
||||
}
|
||||
state = State.RUNNING
|
||||
}
|
||||
|
||||
private enum class State {
|
||||
STOPPED, RUNNING, PAUSED
|
||||
}
|
||||
}
|
||||
|
||||
companion object {
|
||||
private const val KEY_GAMEPATH = "gamepath"
|
||||
private val perfStatsUpdateHandler = Handler()
|
||||
|
||||
fun newInstance(gamePath: String?): EmulationFragment {
|
||||
val args = Bundle()
|
||||
args.putString(KEY_GAMEPATH, gamePath)
|
||||
val fragment = EmulationFragment()
|
||||
fragment.arguments = args
|
||||
return fragment
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user