+package org.libsdl.app;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.lang.reflect.Method;
+
+import android.app.*;
+import android.content.*;
+import android.text.InputType;
+import android.view.*;
+import android.view.inputmethod.BaseInputConnection;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.RelativeLayout;
+import android.widget.Button;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.os.*;
+import android.util.Log;
+import android.util.SparseArray;
+import android.graphics.*;
+import android.graphics.drawable.Drawable;
+import android.media.*;
+import android.hardware.*;
+import android.content.pm.ActivityInfo;
+
+/**
+ SDL Activity
+*/
+public class SDLActivity extends Activity {
+ private static final String TAG = "SDL";
+
+ // Keep track of the paused state
+ public static boolean mIsPaused, mIsSurfaceReady, mHasFocus;
+ public static boolean mExitCalledFromJava;
+
+ /** If shared libraries (e.g. SDL or the native application) could not be loaded. */
+ public static boolean mBrokenLibraries;
+
+ // If we want to separate mouse and touch events.
+ // This is only toggled in native code when a hint is set!
+ public static boolean mSeparateMouseAndTouch;
+
+ // Main components
+ protected static SDLActivity mSingleton;
+ protected static SDLSurface mSurface;
+ protected static View mTextEdit;
+ protected static ViewGroup mLayout;
+ protected static SDLJoystickHandler mJoystickHandler;
+
+ // This is what SDL runs in. It invokes SDL_main(), eventually
+ protected static Thread mSDLThread;
+
+ // Audio
+ protected static AudioTrack mAudioTrack;
+ protected static AudioRecord mAudioRecord;
+
+ /**
+ * This method is called by SDL before loading the native shared libraries.
+ * It can be overridden to provide names of shared libraries to be loaded.
+ * The default implementation returns the defaults. It never returns null.
+ * An array returned by a new implementation must at least contain "SDL2".
+ * Also keep in mind that the order the libraries are loaded may matter.
+ * @return names of shared libraries to be loaded (e.g. "SDL2", "main").
+ */
+ protected String[] getLibraries() {
+ return new String[] {
+ "SDL2",
+ "SDL2_image",
+ "smpeg2",
+ "SDL2_mixer",
+ "SDL2_net",
+ // "SDL2_ttf",
+ "main"
+ };
+ }
+
+ // Load the .so
+ public void loadLibraries() {
+ for (String lib : getLibraries()) {
+ System.loadLibrary(lib);
+ }
+ }
+
+ /**
+ * This method is called by SDL before starting the native application thread.
+ * It can be overridden to provide the arguments after the application name.
+ * The default implementation returns an empty array. It never returns null.
+ * @return arguments for the native application.
+ */
+ protected String[] getArguments() {
+ return new String[0];
+ }
+
+ public static void initialize() {
+ // The static nature of the singleton and Android quirkyness force us to initialize everything here
+ // Otherwise, when exiting the app and returning to it, these variables *keep* their pre exit values
+ mSingleton = null;
+ mSurface = null;
+ mTextEdit = null;
+ mLayout = null;
+ mJoystickHandler = null;
+ mSDLThread = null;
+ mAudioTrack = null;
+ mAudioRecord = null;
+ mExitCalledFromJava = false;
+ mBrokenLibraries = false;
+ mIsPaused = false;
+ mIsSurfaceReady = false;
+ mHasFocus = true;
+ }
+
+ // Setup
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ Log.v(TAG, "Device: " + android.os.Build.DEVICE);
+ Log.v(TAG, "Model: " + android.os.Build.MODEL);
+ Log.v(TAG, "onCreate(): " + mSingleton);
+ super.onCreate(savedInstanceState);
+
+ SDLActivity.initialize();
+ // So we can call stuff from static callbacks
+ mSingleton = this;
+
+ // Load shared libraries
+ String errorMsgBrokenLib = "";
+ try {
+ loadLibraries();
+ } catch(UnsatisfiedLinkError e) {
+ System.err.println(e.getMessage());
+ mBrokenLibraries = true;
+ errorMsgBrokenLib = e.getMessage();
+ } catch(Exception e) {
+ System.err.println(e.getMessage());
+ mBrokenLibraries = true;
+ errorMsgBrokenLib = e.getMessage();
+ }
+
+ if (mBrokenLibraries)
+ {
+ AlertDialog.Builder dlgAlert = new AlertDialog.Builder(this);
+ dlgAlert.setMessage("An error occurred while trying to start the application. Please try again and/or reinstall."
+ + System.getProperty("line.separator")
+ + System.getProperty("line.separator")
+ + "Error: " + errorMsgBrokenLib);
+ dlgAlert.setTitle("SDL Error");
+ dlgAlert.setPositiveButton("Exit",
+ new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog,int id) {
+ // if this button is clicked, close current activity
+ SDLActivity.mSingleton.finish();
+ }
+ });
+ dlgAlert.setCancelable(false);
+ dlgAlert.create().show();
+
+ return;
+ }
+
+ // Set up the surface
+ mSurface = new SDLSurface(getApplication());
+
+ if(Build.VERSION.SDK_INT >= 12) {
+ mJoystickHandler = new SDLJoystickHandler_API12();
+ }
+ else {
+ mJoystickHandler = new SDLJoystickHandler();
+ }
+
+ mLayout = new RelativeLayout(this);
+ mLayout.addView(mSurface);
+
+ setContentView(mLayout);
+
+ // Get filename from "Open with" of another application
+ Intent intent = getIntent();
+
+ if (intent != null && intent.getData() != null) {
+ String filename = intent.getData().getPath();
+ if (filename != null) {
+ Log.v(TAG, "Got filename: " + filename);
+ SDLActivity.onNativeDropFile(filename);
+ }
+ }
+ }
+
+ // Events
+ @Override
+ protected void onPause() {
+ Log.v(TAG, "onPause()");
+ super.onPause();
+
+ if (SDLActivity.mBrokenLibraries) {
+ return;
+ }
+
+ SDLActivity.handlePause();
+ }
+
+ @Override
+ protected void onResume() {
+ Log.v(TAG, "onResume()");
+ super.onResume();
+
+ if (SDLActivity.mBrokenLibraries) {
+ return;
+ }
+
+ SDLActivity.handleResume();
+ }
+
+
+ @Override
+ public void onWindowFocusChanged(boolean hasFocus) {
+ super.onWindowFocusChanged(hasFocus);
+ Log.v(TAG, "onWindowFocusChanged(): " + hasFocus);
+
+ if (SDLActivity.mBrokenLibraries) {
+ return;
+ }
+
+ SDLActivity.mHasFocus = hasFocus;
+ if (hasFocus) {
+ SDLActivity.handleResume();
+ }
+ }
+
+ @Override
+ public void onLowMemory() {
+ Log.v(TAG, "onLowMemory()");
+ super.onLowMemory();
+
+ if (SDLActivity.mBrokenLibraries) {
+ return;
+ }
+
+ SDLActivity.nativeLowMemory();
+ }
+
+ @Override
+ protected void onDestroy() {
+ Log.v(TAG, "onDestroy()");
+
+ if (SDLActivity.mBrokenLibraries) {
+ super.onDestroy();
+ // Reset everything in case the user re opens the app
+ SDLActivity.initialize();
+ return;
+ }
+
+ // Send a quit message to the application
+ SDLActivity.mExitCalledFromJava = true;
+ SDLActivity.nativeQuit();
+
+ // Now wait for the SDL thread to quit
+ if (SDLActivity.mSDLThread != null) {
+ try {
+ SDLActivity.mSDLThread.join();
+ } catch(Exception e) {
+ Log.v(TAG, "Problem stopping thread: " + e);
+ }
+ SDLActivity.mSDLThread = null;
+
+ //Log.v(TAG, "Finished waiting for SDL thread");
+ }
+
+ super.onDestroy();
+ // Reset everything in case the user re opens the app
+ SDLActivity.initialize();
+ }
+
+ @Override
+ public boolean dispatchKeyEvent(KeyEvent event) {
+
+ if (SDLActivity.mBrokenLibraries) {
+ return false;
+ }
+
+ int keyCode = event.getKeyCode();
+ // Ignore certain special keys so they're handled by Android
+ if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN ||
+ keyCode == KeyEvent.KEYCODE_VOLUME_UP ||
+ keyCode == KeyEvent.KEYCODE_CAMERA ||
+ keyCode == 168 || /* API 11: KeyEvent.KEYCODE_ZOOM_IN */
+ keyCode == 169 /* API 11: KeyEvent.KEYCODE_ZOOM_OUT */
+ ) {
+ return false;
+ }
+ return super.dispatchKeyEvent(event);
+ }
+
+ /** Called by onPause or surfaceDestroyed. Even if surfaceDestroyed
+ * is the first to be called, mIsSurfaceReady should still be set
+ * to 'true' during the call to onPause (in a usual scenario).
+ */
+ public static void handlePause() {
+ if (!SDLActivity.mIsPaused && SDLActivity.mIsSurfaceReady) {
+ SDLActivity.mIsPaused = true;
+ SDLActivity.nativePause();
+ mSurface.handlePause();
+ }
+ }
+
+ /** Called by onResume or surfaceCreated. An actual resume should be done only when the surface is ready.
+ * Note: Some Android variants may send multiple surfaceChanged events, so we don't need to resume
+ * every time we get one of those events, only if it comes after surfaceDestroyed
+ */
+ public static void handleResume() {
+ if (SDLActivity.mIsPaused && SDLActivity.mIsSurfaceReady && SDLActivity.mHasFocus) {
+ SDLActivity.mIsPaused = false;
+ SDLActivity.nativeResume();
+ mSurface.handleResume();
+ }
+ }
+
+ /* The native thread has finished */
+ public static void handleNativeExit() {
+ SDLActivity.mSDLThread = null;
+ mSingleton.finish();
+ }
+
+
+ // Messages from the SDLMain thread
+ static final int COMMAND_CHANGE_TITLE = 1;
+ static final int COMMAND_UNUSED = 2;
+ static final int COMMAND_TEXTEDIT_HIDE = 3;
+ static final int COMMAND_SET_KEEP_SCREEN_ON = 5;
+
+ protected static final int COMMAND_USER = 0x8000;
+
+ /**
+ * This method is called by SDL if SDL did not handle a message itself.
+ * This happens if a received message contains an unsupported command.
+ * Method can be overwritten to handle Messages in a different class.
+ * @param command the command of the message.
+ * @param param the parameter of the message. May be null.
+ * @return if the message was handled in overridden method.
+ */
+ protected boolean onUnhandledMessage(int command, Object param) {
+ return false;
+ }
+
+ /**
+ * A Handler class for Messages from native SDL applications.
+ * It uses current Activities as target (e.g. for the title).
+ * static to prevent implicit references to enclosing object.
+ */
+ protected static class SDLCommandHandler extends Handler {
+ @Override
+ public void handleMessage(Message msg) {
+ Context context = getContext();
+ if (context == null) {
+ Log.e(TAG, "error handling message, getContext() returned null");
+ return;
+ }
+ switch (msg.arg1) {
+ case COMMAND_CHANGE_TITLE:
+ if (context instanceof Activity) {
+ ((Activity) context).setTitle((String)msg.obj);
+ } else {
+ Log.e(TAG, "error handling message, getContext() returned no Activity");
+ }
+ break;
+ case COMMAND_TEXTEDIT_HIDE:
+ if (mTextEdit != null) {
+ // Note: On some devices setting view to GONE creates a flicker in landscape.
+ // Setting the View's sizes to 0 is similar to GONE but without the flicker.
+ // The sizes will be set to useful values when the keyboard is shown again.
+ mTextEdit.setLayoutParams(new RelativeLayout.LayoutParams(0, 0));
+
+ InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
+ imm.hideSoftInputFromWindow(mTextEdit.getWindowToken(), 0);
+ }
+ break;
+ case COMMAND_SET_KEEP_SCREEN_ON:
+ {
+ Window window = ((Activity) context).getWindow();
+ if (window != null) {
+ if ((msg.obj instanceof Integer) && (((Integer) msg.obj).intValue() != 0)) {
+ window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+ } else {
+ window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+ }
+ }
+ break;
+ }
+ default:
+ if ((context instanceof SDLActivity) && !((SDLActivity) context).onUnhandledMessage(msg.arg1, msg.obj)) {
+ Log.e(TAG, "error handling message, command is " + msg.arg1);
+ }
+ }
+ }
+ }
+
+ // Handler for the messages
+ Handler commandHandler = new SDLCommandHandler();
+
+ // Send a message from the SDLMain thread
+ boolean sendCommand(int command, Object data) {
+ Message msg = commandHandler.obtainMessage();
+ msg.arg1 = command;
+ msg.obj = data;
+ return commandHandler.sendMessage(msg);
+ }
+
+ // C functions we call
+ public static native int nativeInit(Object arguments);
+ public static native void nativeLowMemory();
+ public static native void nativeQuit();
+ public static native void nativePause();
+ public static native void nativeResume();
+ public static native void onNativeDropFile(String filename);
+ public static native void onNativeResize(int x, int y, int format, float rate);
+ public static native int onNativePadDown(int device_id, int keycode);
+ public static native int onNativePadUp(int device_id, int keycode);
+ public static native void onNativeJoy(int device_id, int axis,
+ float value);
+ public static native void onNativeHat(int device_id, int hat_id,
+ int x, int y);
+ public static native void onNativeKeyDown(int keycode);
+ public static native void onNativeKeyUp(int keycode);
+ public static native void onNativeKeyboardFocusLost();
+ public static native void onNativeMouse(int button, int action, float x, float y);
+ public static native void onNativeTouch(int touchDevId, int pointerFingerId,
+ int action, float x,
+ float y, float p);
+ public static native void onNativeAccel(float x, float y, float z);
+ public static native void onNativeSurfaceChanged();
+ public static native void onNativeSurfaceDestroyed();
+ public static native int nativeAddJoystick(int device_id, String name,
+ int is_accelerometer, int nbuttons,
+ int naxes, int nhats, int nballs);
+ public static native int nativeRemoveJoystick(int device_id);
+ public static native String nativeGetHint(String name);
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static boolean setActivityTitle(String title) {
+ // Called from SDLMain() thread and can't directly affect the view
+ return mSingleton.sendCommand(COMMAND_CHANGE_TITLE, title);
+ }
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static boolean sendMessage(int command, int param) {
+ return mSingleton.sendCommand(command, Integer.valueOf(param));
+ }
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static Context getContext() {
+ return mSingleton;
+ }
+
+ /**
+ * This method is called by SDL using JNI.
+ * @return result of getSystemService(name) but executed on UI thread.
+ */
+ public Object getSystemServiceFromUiThread(final String name) {
+ final Object lock = new Object();
+ final Object[] results = new Object[2]; // array for writable variables
+ synchronized (lock) {
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ synchronized (lock) {
+ results[0] = getSystemService(name);
+ results[1] = Boolean.TRUE;
+ lock.notify();
+ }
+ }
+ });
+ if (results[1] == null) {
+ try {
+ lock.wait();
+ } catch (InterruptedException ex) {
+ ex.printStackTrace();
+ }
+ }
+ }
+ return results[0];
+ }
+
+ static class ShowTextInputTask implements Runnable {
+ /*
+ * This is used to regulate the pan&scan method to have some offset from
+ * the bottom edge of the input region and the top edge of an input
+ * method (soft keyboard)
+ */
+ static final int HEIGHT_PADDING = 15;
+
+ public int x, y, w, h;
+
+ public ShowTextInputTask(int x, int y, int w, int h) {
+ this.x = x;
+ this.y = y;
+ this.w = w;
+ this.h = h;
+ }
+
+ @Override
+ public void run() {
+ RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(w, h + HEIGHT_PADDING);
+ params.leftMargin = x;
+ params.topMargin = y;
+
+ if (mTextEdit == null) {
+ mTextEdit = new DummyEdit(getContext());
+
+ mLayout.addView(mTextEdit, params);
+ } else {
+ mTextEdit.setLayoutParams(params);
+ }
+
+ mTextEdit.setVisibility(View.VISIBLE);
+ mTextEdit.requestFocus();
+
+ InputMethodManager imm = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
+ imm.showSoftInput(mTextEdit, 0);
+ }
+ }
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static boolean showTextInput(int x, int y, int w, int h) {
+ // Transfer the task to the main thread as a Runnable
+ return mSingleton.commandHandler.post(new ShowTextInputTask(x, y, w, h));
+ }
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static Surface getNativeSurface() {
+ return SDLActivity.mSurface.getNativeSurface();
+ }
+
+ // Audio
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static int audioOpen(int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
+ int channelConfig = isStereo ? AudioFormat.CHANNEL_CONFIGURATION_STEREO : AudioFormat.CHANNEL_CONFIGURATION_MONO;
+ int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
+ int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);
+
+ Log.v(TAG, "SDL audio: wanted " + (isStereo ? "stereo" : "mono") + " " + (is16Bit ? "16-bit" : "8-bit") + " " + (sampleRate / 1000f) + "kHz, " + desiredFrames + " frames buffer");
+
+ // Let the user pick a larger buffer if they really want -- but ye
+ // gods they probably shouldn't, the minimums are horrifyingly high
+ // latency already
+ desiredFrames = Math.max(desiredFrames, (AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1) / frameSize);
+
+ if (mAudioTrack == null) {
+ mAudioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, sampleRate,
+ channelConfig, audioFormat, desiredFrames * frameSize, AudioTrack.MODE_STREAM);
+
+ // Instantiating AudioTrack can "succeed" without an exception and the track may still be invalid
+ // Ref: https://android.googlesource.com/platform/frameworks/base/+/refs/heads/master/media/java/android/media/AudioTrack.java
+ // Ref: http://developer.android.com/reference/android/media/AudioTrack.html#getState()
+
+ if (mAudioTrack.getState() != AudioTrack.STATE_INITIALIZED) {
+ Log.e(TAG, "Failed during initialization of Audio Track");
+ mAudioTrack = null;
+ return -1;
+ }
+
+ mAudioTrack.play();
+ }
+
+ Log.v(TAG, "SDL audio: got " + ((mAudioTrack.getChannelCount() >= 2) ? "stereo" : "mono") + " " + ((mAudioTrack.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT) ? "16-bit" : "8-bit") + " " + (mAudioTrack.getSampleRate() / 1000f) + "kHz, " + desiredFrames + " frames buffer");
+
+ return 0;
+ }
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static void audioWriteShortBuffer(short[] buffer) {
+ for (int i = 0; i < buffer.length; ) {
+ int result = mAudioTrack.write(buffer, i, buffer.length - i);
+ if (result > 0) {
+ i += result;
+ } else if (result == 0) {
+ try {
+ Thread.sleep(1);
+ } catch(InterruptedException e) {
+ // Nom nom
+ }
+ } else {
+ Log.w(TAG, "SDL audio: error return from write(short)");
+ return;
+ }
+ }
+ }
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static void audioWriteByteBuffer(byte[] buffer) {
+ for (int i = 0; i < buffer.length; ) {
+ int result = mAudioTrack.write(buffer, i, buffer.length - i);
+ if (result > 0) {
+ i += result;
+ } else if (result == 0) {
+ try {
+ Thread.sleep(1);
+ } catch(InterruptedException e) {
+ // Nom nom
+ }
+ } else {
+ Log.w(TAG, "SDL audio: error return from write(byte)");
+ return;
+ }
+ }
+ }
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static int captureOpen(int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
+ int channelConfig = isStereo ? AudioFormat.CHANNEL_CONFIGURATION_STEREO : AudioFormat.CHANNEL_CONFIGURATION_MONO;
+ int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
+ int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);
+
+ Log.v(TAG, "SDL capture: wanted " + (isStereo ? "stereo" : "mono") + " " + (is16Bit ? "16-bit" : "8-bit") + " " + (sampleRate / 1000f) + "kHz, " + desiredFrames + " frames buffer");
+
+ // Let the user pick a larger buffer if they really want -- but ye
+ // gods they probably shouldn't, the minimums are horrifyingly high
+ // latency already
+ desiredFrames = Math.max(desiredFrames, (AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1) / frameSize);
+
+ if (mAudioRecord == null) {
+ mAudioRecord = new AudioRecord(MediaRecorder.AudioSource.DEFAULT, sampleRate,
+ channelConfig, audioFormat, desiredFrames * frameSize);
+
+ // see notes about AudioTrack state in audioOpen(), above. Probably also applies here.
+ if (mAudioRecord.getState() != AudioRecord.STATE_INITIALIZED) {
+ Log.e(TAG, "Failed during initialization of AudioRecord");
+ mAudioRecord.release();
+ mAudioRecord = null;
+ return -1;
+ }
+
+ mAudioRecord.startRecording();
+ }
+
+ Log.v(TAG, "SDL capture: got " + ((mAudioRecord.getChannelCount() >= 2) ? "stereo" : "mono") + " " + ((mAudioRecord.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT) ? "16-bit" : "8-bit") + " " + (mAudioRecord.getSampleRate() / 1000f) + "kHz, " + desiredFrames + " frames buffer");
+
+ return 0;
+ }
+
+ /** This method is called by SDL using JNI. */
+ public static int captureReadShortBuffer(short[] buffer, boolean blocking) {
+ // !!! FIXME: this is available in API Level 23. Until then, we always block. :(
+ //return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
+ return mAudioRecord.read(buffer, 0, buffer.length);
+ }
+
+ /** This method is called by SDL using JNI. */
+ public static int captureReadByteBuffer(byte[] buffer, boolean blocking) {
+ // !!! FIXME: this is available in API Level 23. Until then, we always block. :(
+ //return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
+ return mAudioRecord.read(buffer, 0, buffer.length);
+ }
+
+
+ /** This method is called by SDL using JNI. */
+ public static void audioClose() {
+ if (mAudioTrack != null) {
+ mAudioTrack.stop();
+ mAudioTrack.release();
+ mAudioTrack = null;
+ }
+ }
+
+ /** This method is called by SDL using JNI. */
+ public static void captureClose() {
+ if (mAudioRecord != null) {
+ mAudioRecord.stop();
+ mAudioRecord.release();
+ mAudioRecord = null;
+ }
+ }
+
+
+ // Input
+
+ /**
+ * This method is called by SDL using JNI.
+ * @return an array which may be empty but is never null.
+ */
+ public static int[] inputGetInputDeviceIds(int sources) {
+ int[] ids = InputDevice.getDeviceIds();
+ int[] filtered = new int[ids.length];
+ int used = 0;
+ for (int i = 0; i < ids.length; ++i) {
+ InputDevice device = InputDevice.getDevice(ids[i]);
+ if ((device != null) && ((device.getSources() & sources) != 0)) {
+ filtered[used++] = device.getId();
+ }
+ }
+ return Arrays.copyOf(filtered, used);
+ }
+
+ // Joystick glue code, just a series of stubs that redirect to the SDLJoystickHandler instance
+ public static boolean handleJoystickMotionEvent(MotionEvent event) {
+ return mJoystickHandler.handleMotionEvent(event);
+ }
+
+ /**
+ * This method is called by SDL using JNI.
+ */
+ public static void pollInputDevices() {
+ if (SDLActivity.mSDLThread != null) {
+ mJoystickHandler.pollInputDevices();
+ }
+ }
+
+ // Check if a given device is considered a possible SDL joystick
+ public static boolean isDeviceSDLJoystick(int deviceId) {
+ InputDevice device = InputDevice.getDevice(deviceId);
+ // We cannot use InputDevice.isVirtual before API 16, so let's accept
+ // only nonnegative device ids (VIRTUAL_KEYBOARD equals -1)
+ if ((device == null) || (deviceId < 0)) {
+ return false;
+ }
+ int sources = device.getSources();
+ return (((sources & InputDevice.SOURCE_CLASS_JOYSTICK) == InputDevice.SOURCE_CLASS_JOYSTICK) ||
+ ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) ||
+ ((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD)
+ );
+ }
+
+ // APK expansion files support
+
+ /** com.android.vending.expansion.zipfile.ZipResourceFile object or null. */
+ private Object expansionFile;
+
+ /** com.android.vending.expansion.zipfile.ZipResourceFile's getInputStream() or null. */
+ private Method expansionFileMethod;
+
+ /**
+ * This method is called by SDL using JNI.
+ * @return an InputStream on success or null if no expansion file was used.
+ * @throws IOException on errors. Message is set for the SDL error message.
+ */
+ public InputStream openAPKExpansionInputStream(String fileName) throws IOException {
+ // Get a ZipResourceFile representing a merger of both the main and patch files
+ if (expansionFile == null) {
+ String mainHint = nativeGetHint("SDL_ANDROID_APK_EXPANSION_MAIN_FILE_VERSION");
+ if (mainHint == null) {
+ return null; // no expansion use if no main version was set
+ }
+ String patchHint = nativeGetHint("SDL_ANDROID_APK_EXPANSION_PATCH_FILE_VERSION");
+ if (patchHint == null) {
+ return null; // no expansion use if no patch version was set
+ }
+
+ Integer mainVersion;
+ Integer patchVersion;
+ try {
+ mainVersion = Integer.valueOf(mainHint);
+ patchVersion = Integer.valueOf(patchHint);
+ } catch (NumberFormatException ex) {
+ ex.printStackTrace();
+ throw new IOException("No valid file versions set for APK expansion files", ex);
+ }
+
+ try {
+ // To avoid direct dependency on Google APK expansion library that is
+ // not a part of Android SDK we access it using reflection
+ expansionFile = Class.forName("com.android.vending.expansion.zipfile.APKExpansionSupport")
+ .getMethod("getAPKExpansionZipFile", Context.class, int.class, int.class)
+ .invoke(null, this, mainVersion, patchVersion);
+
+ expansionFileMethod = expansionFile.getClass()
+ .getMethod("getInputStream", String.class);
+ } catch (Exception ex) {
+ ex.printStackTrace();
+ expansionFile = null;
+ expansionFileMethod = null;
+ throw new IOException("Could not access APK expansion support library", ex);
+ }
+ }
+
+ // Get an input stream for a known file inside the expansion file ZIPs
+ InputStream fileStream;
+ try {
+ fileStream = (InputStream)expansionFileMethod.invoke(expansionFile, fileName);
+ } catch (Exception ex) {
+ // calling "getInputStream" failed
+ ex.printStackTrace();
+ throw new IOException("Could not open stream from APK expansion file", ex);
+ }
+
+ if (fileStream == null) {
+ // calling "getInputStream" was successful but null was returned
+ throw new IOException("Could not find path in APK expansion file");
+ }
+
+ return fileStream;
+ }
+
+ // Messagebox
+
+ /** Result of current messagebox. Also used for blocking the calling thread. */
+ protected final int[] messageboxSelection = new int[1];
+
+ /** Id of current dialog. */
+ protected int dialogs = 0;
+
+ /**
+ * This method is called by SDL using JNI.
+ * Shows the messagebox from UI thread and block calling thread.
+ * buttonFlags, buttonIds and buttonTexts must have same length.
+ * @param buttonFlags array containing flags for every button.
+ * @param buttonIds array containing id for every button.
+ * @param buttonTexts array containing text for every button.
+ * @param colors null for default or array of length 5 containing colors.
+ * @return button id or -1.
+ */
+ public int messageboxShowMessageBox(
+ final int flags,
+ final String title,
+ final String message,
+ final int[] buttonFlags,
+ final int[] buttonIds,
+ final String[] buttonTexts,
+ final int[] colors) {
+
+ messageboxSelection[0] = -1;
+
+ // sanity checks
+
+ if ((buttonFlags.length != buttonIds.length) && (buttonIds.length != buttonTexts.length)) {
+ return -1; // implementation broken
+ }
+
+ // collect arguments for Dialog
+
+ final Bundle args = new Bundle();
+ args.putInt("flags", flags);
+ args.putString("title", title);
+ args.putString("message", message);
+ args.putIntArray("buttonFlags", buttonFlags);
+ args.putIntArray("buttonIds", buttonIds);
+ args.putStringArray("buttonTexts", buttonTexts);
+ args.putIntArray("colors", colors);
+
+ // trigger Dialog creation on UI thread
+
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ showDialog(dialogs++, args);
+ }
+ });
+
+ // block the calling thread
+
+ synchronized (messageboxSelection) {
+ try {
+ messageboxSelection.wait();
+ } catch (InterruptedException ex) {
+ ex.printStackTrace();
+ return -1;
+ }
+ }
+
+ // return selected value
+
+ return messageboxSelection[0];
+ }
+
+ @Override
+ protected Dialog onCreateDialog(int ignore, Bundle args) {
+
+ // TODO set values from "flags" to messagebox dialog
+
+ // get colors
+
+ int[] colors = args.getIntArray("colors");
+ int backgroundColor;
+ int textColor;
+ int buttonBorderColor;
+ int buttonBackgroundColor;
+ int buttonSelectedColor;
+ if (colors != null) {
+ int i = -1;
+ backgroundColor = colors[++i];
+ textColor = colors[++i];
+ buttonBorderColor = colors[++i];
+ buttonBackgroundColor = colors[++i];
+ buttonSelectedColor = colors[++i];
+ } else {
+ backgroundColor = Color.TRANSPARENT;
+ textColor = Color.TRANSPARENT;
+ buttonBorderColor = Color.TRANSPARENT;
+ buttonBackgroundColor = Color.TRANSPARENT;
+ buttonSelectedColor = Color.TRANSPARENT;
+ }
+
+ // create dialog with title and a listener to wake up calling thread
+
+ final Dialog dialog = new Dialog(this);
+ dialog.setTitle(args.getString("title"));
+ dialog.setCancelable(false);
+ dialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
+ @Override
+ public void onDismiss(DialogInterface unused) {
+ synchronized (messageboxSelection) {
+ messageboxSelection.notify();
+ }
+ }
+ });
+
+ // create text
+
+ TextView message = new TextView(this);
+ message.setGravity(Gravity.CENTER);
+ message.setText(args.getString("message"));
+ if (textColor != Color.TRANSPARENT) {
+ message.setTextColor(textColor);
+ }
+
+ // create buttons
+
+ int[] buttonFlags = args.getIntArray("buttonFlags");
+ int[] buttonIds = args.getIntArray("buttonIds");
+ String[] buttonTexts = args.getStringArray("buttonTexts");
+
+ final SparseArray<Button> mapping = new SparseArray<Button>();
+
+ LinearLayout buttons = new LinearLayout(this);
+ buttons.setOrientation(LinearLayout.HORIZONTAL);
+ buttons.setGravity(Gravity.CENTER);
+ for (int i = 0; i < buttonTexts.length; ++i) {
+ Button button = new Button(this);
+ final int id = buttonIds[i];
+ button.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ messageboxSelection[0] = id;
+ dialog.dismiss();
+ }
+ });
+ if (buttonFlags[i] != 0) {
+ // see SDL_messagebox.h
+ if ((buttonFlags[i] & 0x00000001) != 0) {
+ mapping.put(KeyEvent.KEYCODE_ENTER, button);
+ }
+ if ((buttonFlags[i] & 0x00000002) != 0) {
+ mapping.put(111, button); /* API 11: KeyEvent.KEYCODE_ESCAPE */
+ }
+ }
+ button.setText(buttonTexts[i]);
+ if (textColor != Color.TRANSPARENT) {
+ button.setTextColor(textColor);
+ }
+ if (buttonBorderColor != Color.TRANSPARENT) {
+ // TODO set color for border of messagebox button
+ }
+ if (buttonBackgroundColor != Color.TRANSPARENT) {
+ Drawable drawable = button.getBackground();
+ if (drawable == null) {
+ // setting the color this way removes the style
+ button.setBackgroundColor(buttonBackgroundColor);
+ } else {
+ // setting the color this way keeps the style (gradient, padding, etc.)
+ drawable.setColorFilter(buttonBackgroundColor, PorterDuff.Mode.MULTIPLY);
+ }
+ }
+ if (buttonSelectedColor != Color.TRANSPARENT) {
+ // TODO set color for selected messagebox button
+ }
+ buttons.addView(button);
+ }
+
+ // create content
+
+ LinearLayout content = new LinearLayout(this);
+ content.setOrientation(LinearLayout.VERTICAL);
+ content.addView(message);
+ content.addView(buttons);
+ if (backgroundColor != Color.TRANSPARENT) {
+ content.setBackgroundColor(backgroundColor);
+ }
+
+ // add content to dialog and return
+
+ dialog.setContentView(content);
+ dialog.setOnKeyListener(new Dialog.OnKeyListener() {
+ @Override
+ public boolean onKey(DialogInterface d, int keyCode, KeyEvent event) {
+ Button button = mapping.get(keyCode);
+ if (button != null) {
+ if (event.getAction() == KeyEvent.ACTION_UP) {
+ button.performClick();
+ }
+ return true; // also for ignored actions
+ }
+ return false;
+ }
+ });
+
+ return dialog;
+ }
+}
+
+/**
+ Simple nativeInit() runnable
+*/
+class SDLMain implements Runnable {
+ @Override
+ public void run() {
+ // Runs SDL_main()
+ SDLActivity.nativeInit(SDLActivity.mSingleton.getArguments());
+
+ //Log.v("SDL", "SDL thread terminated");
+ }
+}
+
+
+/**
+ SDLSurface. This is what we draw on, so we need to know when it's created
+ in order to do anything useful.
+
+ Because of this, that's where we set up the SDL thread
+*/
+class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
+ View.OnKeyListener, View.OnTouchListener, SensorEventListener {
+
+ // Sensors
+ protected static SensorManager mSensorManager;
+ protected static Display mDisplay;
+
+ // Keep track of the surface size to normalize touch events
+ protected static float mWidth, mHeight;
+
+ // Startup
+ public SDLSurface(Context context) {
+ super(context);
+ getHolder().addCallback(this);
+
+ setFocusable(true);
+ setFocusableInTouchMode(true);
+ requestFocus();
+ setOnKeyListener(this);
+ setOnTouchListener(this);
+
+ mDisplay = ((WindowManager)context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
+ mSensorManager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);
+
+ if(Build.VERSION.SDK_INT >= 12) {
+ setOnGenericMotionListener(new SDLGenericMotionListener_API12());
+ }
+
+ // Some arbitrary defaults to avoid a potential division by zero
+ mWidth = 1.0f;
+ mHeight = 1.0f;
+ }
+
+ public void handlePause() {
+ enableSensor(Sensor.TYPE_ACCELEROMETER, false);
+ }
+
+ public void handleResume() {
+ setFocusable(true);
+ setFocusableInTouchMode(true);
+ requestFocus();
+ setOnKeyListener(this);
+ setOnTouchListener(this);
+ enableSensor(Sensor.TYPE_ACCELEROMETER, true);
+ }
+
+ public Surface getNativeSurface() {
+ return getHolder().getSurface();
+ }
+
+ // Called when we have a valid drawing surface
+ @Override
+ public void surfaceCreated(SurfaceHolder holder) {
+ Log.v("SDL", "surfaceCreated()");
+ holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
+ }
+
+ // Called when we lose the surface
+ @Override
+ public void surfaceDestroyed(SurfaceHolder holder) {
+ Log.v("SDL", "surfaceDestroyed()");
+ // Call this *before* setting mIsSurfaceReady to 'false'
+ SDLActivity.handlePause();
+ SDLActivity.mIsSurfaceReady = false;
+ SDLActivity.onNativeSurfaceDestroyed();
+ }
+
+ // Called when the surface is resized
+ @Override
+ public void surfaceChanged(SurfaceHolder holder,
+ int format, int width, int height) {
+ Log.v("SDL", "surfaceChanged()");
+
+ int sdlFormat = 0x15151002; // SDL_PIXELFORMAT_RGB565 by default
+ switch (format) {
+ case PixelFormat.A_8:
+ Log.v("SDL", "pixel format A_8");
+ break;
+ case PixelFormat.LA_88:
+ Log.v("SDL", "pixel format LA_88");
+ break;
+ case PixelFormat.L_8:
+ Log.v("SDL", "pixel format L_8");
+ break;
+ case PixelFormat.RGBA_4444:
+ Log.v("SDL", "pixel format RGBA_4444");
+ sdlFormat = 0x15421002; // SDL_PIXELFORMAT_RGBA4444
+ break;
+ case PixelFormat.RGBA_5551:
+ Log.v("SDL", "pixel format RGBA_5551");
+ sdlFormat = 0x15441002; // SDL_PIXELFORMAT_RGBA5551
+ break;
+ case PixelFormat.RGBA_8888:
+ Log.v("SDL", "pixel format RGBA_8888");
+ sdlFormat = 0x16462004; // SDL_PIXELFORMAT_RGBA8888
+ break;
+ case PixelFormat.RGBX_8888:
+ Log.v("SDL", "pixel format RGBX_8888");
+ sdlFormat = 0x16261804; // SDL_PIXELFORMAT_RGBX8888
+ break;
+ case PixelFormat.RGB_332:
+ Log.v("SDL", "pixel format RGB_332");
+ sdlFormat = 0x14110801; // SDL_PIXELFORMAT_RGB332
+ break;
+ case PixelFormat.RGB_565:
+ Log.v("SDL", "pixel format RGB_565");
+ sdlFormat = 0x15151002; // SDL_PIXELFORMAT_RGB565
+ break;
+ case PixelFormat.RGB_888:
+ Log.v("SDL", "pixel format RGB_888");
+ // Not sure this is right, maybe SDL_PIXELFORMAT_RGB24 instead?
+ sdlFormat = 0x16161804; // SDL_PIXELFORMAT_RGB888
+ break;
+ default:
+ Log.v("SDL", "pixel format unknown " + format);
+ break;
+ }
+
+ mWidth = width;
+ mHeight = height;
+ SDLActivity.onNativeResize(width, height, sdlFormat, mDisplay.getRefreshRate());
+ Log.v("SDL", "Window size: " + width + "x" + height);
+
+
+ boolean skip = false;
+ int requestedOrientation = SDLActivity.mSingleton.getRequestedOrientation();
+
+ if (requestedOrientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED)
+ {
+ // Accept any
+ }
+ else if (requestedOrientation == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT)
+ {
+ if (mWidth > mHeight) {
+ skip = true;
+ }
+ } else if (requestedOrientation == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
+ if (mWidth < mHeight) {
+ skip = true;
+ }
+ }
+
+ // Special Patch for Square Resolution: Black Berry Passport
+ if (skip) {
+ double min = Math.min(mWidth, mHeight);
+ double max = Math.max(mWidth, mHeight);
+
+ if (max / min < 1.20) {
+ Log.v("SDL", "Don't skip on such aspect-ratio. Could be a square resolution.");
+ skip = false;
+ }
+ }
+
+ if (skip) {
+ Log.v("SDL", "Skip .. Surface is not ready.");
+ return;
+ }
+
+
+ // Set mIsSurfaceReady to 'true' *before* making a call to handleResume
+ SDLActivity.mIsSurfaceReady = true;
+ SDLActivity.onNativeSurfaceChanged();
+
+
+ if (SDLActivity.mSDLThread == null) {
+ // This is the entry point to the C app.
+ // Start up the C app thread and enable sensor input for the first time
+
+ final Thread sdlThread = new Thread(new SDLMain(), "SDLThread");
+ enableSensor(Sensor.TYPE_ACCELEROMETER, true);
+ sdlThread.start();
+
+ // Set up a listener thread to catch when the native thread ends
+ SDLActivity.mSDLThread = new Thread(new Runnable(){
+ @Override
+ public void run(){
+ try {
+ sdlThread.join();
+ }
+ catch(Exception e){}
+ finally{
+ // Native thread has finished
+ if (! SDLActivity.mExitCalledFromJava) {
+ SDLActivity.handleNativeExit();
+ }
+ }
+ }
+ }, "SDLThreadListener");
+ SDLActivity.mSDLThread.start();
+ }
+
+ if (SDLActivity.mHasFocus) {
+ SDLActivity.handleResume();
+ }
+ }
+
+ // Key events
+ @Override
+ public boolean onKey(View v, int keyCode, KeyEvent event) {
+ // Dispatch the different events depending on where they come from
+ // Some SOURCE_JOYSTICK, SOURCE_DPAD or SOURCE_GAMEPAD are also SOURCE_KEYBOARD
+ // So, we try to process them as JOYSTICK/DPAD/GAMEPAD events first, if that fails we try them as KEYBOARD
+ //
+ // Furthermore, it's possible a game controller has SOURCE_KEYBOARD and
+ // SOURCE_JOYSTICK, while its key events arrive from the keyboard source
+ // So, retrieve the device itself and check all of its sources
+ if (SDLActivity.isDeviceSDLJoystick(event.getDeviceId())) {
+ // Note that we process events with specific key codes here
+ if (event.getAction() == KeyEvent.ACTION_DOWN) {
+ if (SDLActivity.onNativePadDown(event.getDeviceId(), keyCode) == 0) {
+ return true;
+ }
+ } else if (event.getAction() == KeyEvent.ACTION_UP) {
+ if (SDLActivity.onNativePadUp(event.getDeviceId(), keyCode) == 0) {
+ return true;
+ }
+ }
+ }
+
+ if ((event.getSource() & InputDevice.SOURCE_KEYBOARD) != 0) {
+ if (event.getAction() == KeyEvent.ACTION_DOWN) {
+ //Log.v("SDL", "key down: " + keyCode);
+ SDLActivity.onNativeKeyDown(keyCode);
+ return true;
+ }
+ else if (event.getAction() == KeyEvent.ACTION_UP) {
+ //Log.v("SDL", "key up: " + keyCode);
+ SDLActivity.onNativeKeyUp(keyCode);
+ return true;
+ }
+ }
+
+ if ((event.getSource() & InputDevice.SOURCE_MOUSE) != 0) {
+ // on some devices key events are sent for mouse BUTTON_BACK/FORWARD presses
+ // they are ignored here because sending them as mouse input to SDL is messy
+ if ((keyCode == KeyEvent.KEYCODE_BACK) || (keyCode == KeyEvent.KEYCODE_FORWARD)) {
+ switch (event.getAction()) {
+ case KeyEvent.ACTION_DOWN:
+ case KeyEvent.ACTION_UP:
+ // mark the event as handled or it will be handled by system
+ // handling KEYCODE_BACK by system will call onBackPressed()
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ // Touch events
+ @Override
+ public boolean onTouch(View v, MotionEvent event) {
+ /* Ref: http://developer.android.com/training/gestures/multi.html */
+ final int touchDevId = event.getDeviceId();
+ final int pointerCount = event.getPointerCount();
+ int action = event.getActionMasked();
+ int pointerFingerId;
+ int mouseButton;
+ int i = -1;
+ float x,y,p;
+
+ // !!! FIXME: dump this SDK check after 2.0.4 ships and require API14.
+ if (event.getSource() == InputDevice.SOURCE_MOUSE && SDLActivity.mSeparateMouseAndTouch) {
+ if (Build.VERSION.SDK_INT < 14) {
+ mouseButton = 1; // all mouse buttons are the left button
+ } else {
+ try {
+ mouseButton = (Integer) event.getClass().getMethod("getButtonState").invoke(event);
+ } catch(Exception e) {
+ mouseButton = 1; // oh well.
+ }
+ }
+ SDLActivity.onNativeMouse(mouseButton, action, event.getX(0), event.getY(0));
+ } else {
+ switch(action) {
+ case MotionEvent.ACTION_MOVE:
+ for (i = 0; i < pointerCount; i++) {
+ pointerFingerId = event.getPointerId(i);
+ x = event.getX(i) / mWidth;
+ y = event.getY(i) / mHeight;
+ p = event.getPressure(i);
+ if (p > 1.0f) {
+ // may be larger than 1.0f on some devices
+ // see the documentation of getPressure(i)
+ p = 1.0f;
+ }
+ SDLActivity.onNativeTouch(touchDevId, pointerFingerId, action, x, y, p);
+ }
+ break;
+
+ case MotionEvent.ACTION_UP:
+ case MotionEvent.ACTION_DOWN:
+ // Primary pointer up/down, the index is always zero
+ i = 0;
+ case MotionEvent.ACTION_POINTER_UP:
+ case MotionEvent.ACTION_POINTER_DOWN:
+ // Non primary pointer up/down
+ if (i == -1) {
+ i = event.getActionIndex();
+ }
+
+ pointerFingerId = event.getPointerId(i);
+ x = event.getX(i) / mWidth;
+ y = event.getY(i) / mHeight;
+ p = event.getPressure(i);
+ if (p > 1.0f) {
+ // may be larger than 1.0f on some devices
+ // see the documentation of getPressure(i)
+ p = 1.0f;
+ }
+ SDLActivity.onNativeTouch(touchDevId, pointerFingerId, action, x, y, p);
+ break;
+
+ case MotionEvent.ACTION_CANCEL:
+ for (i = 0; i < pointerCount; i++) {
+ pointerFingerId = event.getPointerId(i);
+ x = event.getX(i) / mWidth;
+ y = event.getY(i) / mHeight;
+ p = event.getPressure(i);
+ if (p > 1.0f) {
+ // may be larger than 1.0f on some devices
+ // see the documentation of getPressure(i)
+ p = 1.0f;
+ }
+ SDLActivity.onNativeTouch(touchDevId, pointerFingerId, MotionEvent.ACTION_UP, x, y, p);
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return true;
+ }
+
+ // Sensor events
+ public void enableSensor(int sensortype, boolean enabled) {
+ // TODO: This uses getDefaultSensor - what if we have >1 accels?
+ if (enabled) {
+ mSensorManager.registerListener(this,
+ mSensorManager.getDefaultSensor(sensortype),
+ SensorManager.SENSOR_DELAY_GAME, null);
+ } else {
+ mSensorManager.unregisterListener(this,
+ mSensorManager.getDefaultSensor(sensortype));
+ }
+ }
+
+ @Override
+ public void onAccuracyChanged(Sensor sensor, int accuracy) {
+ // TODO
+ }
+
+ @Override
+ public void onSensorChanged(SensorEvent event) {
+ if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
+ float x, y;
+ switch (mDisplay.getRotation()) {
+ case Surface.ROTATION_90:
+ x = -event.values[1];
+ y = event.values[0];
+ break;
+ case Surface.ROTATION_270:
+ x = event.values[1];
+ y = -event.values[0];
+ break;
+ case Surface.ROTATION_180:
+ x = -event.values[1];
+ y = -event.values[0];
+ break;
+ default:
+ x = event.values[0];
+ y = event.values[1];
+ break;
+ }
+ SDLActivity.onNativeAccel(-x / SensorManager.GRAVITY_EARTH,
+ y / SensorManager.GRAVITY_EARTH,
+ event.values[2] / SensorManager.GRAVITY_EARTH);
+ }
+ }
+}
+
+/* This is a fake invisible editor view that receives the input and defines the
+ * pan&scan region
+ */
+class DummyEdit extends View implements View.OnKeyListener {
+ InputConnection ic;
+
+ public DummyEdit(Context context) {
+ super(context);
+ setFocusableInTouchMode(true);
+ setFocusable(true);
+ setOnKeyListener(this);
+ }
+
+ @Override
+ public boolean onCheckIsTextEditor() {
+ return true;
+ }
+
+ @Override
+ public boolean onKey(View v, int keyCode, KeyEvent event) {
+
+ // This handles the hardware keyboard input
+ if (event.isPrintingKey() || keyCode == KeyEvent.KEYCODE_SPACE) {
+ if (event.getAction() == KeyEvent.ACTION_DOWN) {
+ ic.commitText(String.valueOf((char) event.getUnicodeChar()), 1);
+ }
+ return true;
+ }
+
+ if (event.getAction() == KeyEvent.ACTION_DOWN) {
+ SDLActivity.onNativeKeyDown(keyCode);
+ return true;
+ } else if (event.getAction() == KeyEvent.ACTION_UP) {
+ SDLActivity.onNativeKeyUp(keyCode);
+ return true;
+ }
+
+ return false;
+ }
+
+ //
+ @Override
+ public boolean onKeyPreIme (int keyCode, KeyEvent event) {
+ // As seen on StackOverflow: http://stackoverflow.com/questions/7634346/keyboard-hide-event
+ // FIXME: Discussion at http://bugzilla.libsdl.org/show_bug.cgi?id=1639
+ // FIXME: This is not a 100% effective solution to the problem of detecting if the keyboard is showing or not
+ // FIXME: A more effective solution would be to assume our Layout to be RelativeLayout or LinearLayout
+ // FIXME: And determine the keyboard presence doing this: http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android
+ // FIXME: An even more effective way would be if Android provided this out of the box, but where would the fun be in that :)
+ if (event.getAction()==KeyEvent.ACTION_UP && keyCode == KeyEvent.KEYCODE_BACK) {
+ if (SDLActivity.mTextEdit != null && SDLActivity.mTextEdit.getVisibility() == View.VISIBLE) {
+ SDLActivity.onNativeKeyboardFocusLost();
+ }
+ }
+ return super.onKeyPreIme(keyCode, event);
+ }
+
+ @Override
+ public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
+ ic = new SDLInputConnection(this, true);
+
+ outAttrs.inputType = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
+ outAttrs.imeOptions = EditorInfo.IME_FLAG_NO_EXTRACT_UI
+ | 33554432 /* API 11: EditorInfo.IME_FLAG_NO_FULLSCREEN */;
+
+ return ic;
+ }
+}
+
+class SDLInputConnection extends BaseInputConnection {
+
+ public SDLInputConnection(View targetView, boolean fullEditor) {
+ super(targetView, fullEditor);
+
+ }
+
+ @Override
+ public boolean sendKeyEvent(KeyEvent event) {
+
+ /*
+ * This handles the keycodes from soft keyboard (and IME-translated
+ * input from hardkeyboard)
+ */
+ int keyCode = event.getKeyCode();
+ if (event.getAction() == KeyEvent.ACTION_DOWN) {
+ if (event.isPrintingKey() || keyCode == KeyEvent.KEYCODE_SPACE) {
+ commitText(String.valueOf((char) event.getUnicodeChar()), 1);
+ }
+ SDLActivity.onNativeKeyDown(keyCode);
+ return true;
+ } else if (event.getAction() == KeyEvent.ACTION_UP) {
+
+ SDLActivity.onNativeKeyUp(keyCode);
+ return true;
+ }
+ return super.sendKeyEvent(event);
+ }
+
+ @Override
+ public boolean commitText(CharSequence text, int newCursorPosition) {
+
+ nativeCommitText(text.toString(), newCursorPosition);
+
+ return super.commitText(text, newCursorPosition);
+ }
+
+ @Override
+ public boolean setComposingText(CharSequence text, int newCursorPosition) {
+
+ nativeSetComposingText(text.toString(), newCursorPosition);
+
+ return super.setComposingText(text, newCursorPosition);
+ }
+
+ public native void nativeCommitText(String text, int newCursorPosition);
+
+ public native void nativeSetComposingText(String text, int newCursorPosition);
+
+ @Override
+ public boolean deleteSurroundingText(int beforeLength, int afterLength) {
+ // Workaround to capture backspace key. Ref: http://stackoverflow.com/questions/14560344/android-backspace-in-webview-baseinputconnection
+ if (beforeLength == 1 && afterLength == 0) {
+ // backspace
+ return super.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL))
+ && super.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DEL));
+ }
+
+ return super.deleteSurroundingText(beforeLength, afterLength);
+ }
+}
+
+/* A null joystick handler for API level < 12 devices (the accelerometer is handled separately) */
+class SDLJoystickHandler {
+
+ /**
+ * Handles given MotionEvent.
+ * @param event the event to be handled.
+ * @return if given event was processed.
+ */
+ public boolean handleMotionEvent(MotionEvent event) {
+ return false;
+ }
+
+ /**
+ * Handles adding and removing of input devices.
+ */
+ public void pollInputDevices() {
+ }
+}
+
+/* Actual joystick functionality available for API >= 12 devices */
+class SDLJoystickHandler_API12 extends SDLJoystickHandler {
+
+ static class SDLJoystick {
+ public int device_id;
+ public String name;
+ public ArrayList<InputDevice.MotionRange> axes;
+ public ArrayList<InputDevice.MotionRange> hats;
+ }
+ static class RangeComparator implements Comparator<InputDevice.MotionRange> {
+ @Override
+ public int compare(InputDevice.MotionRange arg0, InputDevice.MotionRange arg1) {
+ return arg0.getAxis() - arg1.getAxis();
+ }
+ }
+
+ private ArrayList<SDLJoystick> mJoysticks;
+
+ public SDLJoystickHandler_API12() {
+
+ mJoysticks = new ArrayList<SDLJoystick>();
+ }
+
+ @Override
+ public void pollInputDevices() {
+ int[] deviceIds = InputDevice.getDeviceIds();
+ // It helps processing the device ids in reverse order
+ // For example, in the case of the XBox 360 wireless dongle,
+ // so the first controller seen by SDL matches what the receiver
+ // considers to be the first controller
+
+ for(int i=deviceIds.length-1; i>-1; i--) {
+ SDLJoystick joystick = getJoystick(deviceIds[i]);
+ if (joystick == null) {
+ joystick = new SDLJoystick();
+ InputDevice joystickDevice = InputDevice.getDevice(deviceIds[i]);
+ if (SDLActivity.isDeviceSDLJoystick(deviceIds[i])) {
+ joystick.device_id = deviceIds[i];
+ joystick.name = joystickDevice.getName();
+ joystick.axes = new ArrayList<InputDevice.MotionRange>();
+ joystick.hats = new ArrayList<InputDevice.MotionRange>();
+
+ List<InputDevice.MotionRange> ranges = joystickDevice.getMotionRanges();
+ Collections.sort(ranges, new RangeComparator());
+ for (InputDevice.MotionRange range : ranges ) {
+ if ((range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
+ if (range.getAxis() == MotionEvent.AXIS_HAT_X ||
+ range.getAxis() == MotionEvent.AXIS_HAT_Y) {
+ joystick.hats.add(range);
+ }
+ else {
+ joystick.axes.add(range);
+ }
+ }
+ }
+
+ mJoysticks.add(joystick);
+ SDLActivity.nativeAddJoystick(joystick.device_id, joystick.name, 0, -1,
+ joystick.axes.size(), joystick.hats.size()/2, 0);
+ }
+ }
+ }
+
+ /* Check removed devices */
+ ArrayList<Integer> removedDevices = new ArrayList<Integer>();
+ for(int i=0; i < mJoysticks.size(); i++) {
+ int device_id = mJoysticks.get(i).device_id;
+ int j;
+ for (j=0; j < deviceIds.length; j++) {
+ if (device_id == deviceIds[j]) break;
+ }
+ if (j == deviceIds.length) {
+ removedDevices.add(Integer.valueOf(device_id));
+ }
+ }
+
+ for(int i=0; i < removedDevices.size(); i++) {
+ int device_id = removedDevices.get(i).intValue();
+ SDLActivity.nativeRemoveJoystick(device_id);
+ for (int j=0; j < mJoysticks.size(); j++) {
+ if (mJoysticks.get(j).device_id == device_id) {
+ mJoysticks.remove(j);
+ break;
+ }
+ }
+ }
+ }
+
+ protected SDLJoystick getJoystick(int device_id) {
+ for(int i=0; i < mJoysticks.size(); i++) {
+ if (mJoysticks.get(i).device_id == device_id) {
+ return mJoysticks.get(i);
+ }
+ }
+ return null;
+ }
+
+ @Override
+ public boolean handleMotionEvent(MotionEvent event) {
+ if ((event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
+ int actionPointerIndex = event.getActionIndex();
+ int action = event.getActionMasked();
+ switch(action) {
+ case MotionEvent.ACTION_MOVE:
+ SDLJoystick joystick = getJoystick(event.getDeviceId());
+ if ( joystick != null ) {
+ for (int i = 0; i < joystick.axes.size(); i++) {
+ InputDevice.MotionRange range = joystick.axes.get(i);
+ /* Normalize the value to -1...1 */
+ float value = ( event.getAxisValue( range.getAxis(), actionPointerIndex) - range.getMin() ) / range.getRange() * 2.0f - 1.0f;
+ SDLActivity.onNativeJoy(joystick.device_id, i, value );
+ }
+ for (int i = 0; i < joystick.hats.size(); i+=2) {
+ int hatX = Math.round(event.getAxisValue( joystick.hats.get(i).getAxis(), actionPointerIndex ) );
+ int hatY = Math.round(event.getAxisValue( joystick.hats.get(i+1).getAxis(), actionPointerIndex ) );
+ SDLActivity.onNativeHat(joystick.device_id, i/2, hatX, hatY );
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ return true;
+ }
+}
+
+class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
+ // Generic Motion (mouse hover, joystick...) events go here
+ @Override
+ public boolean onGenericMotion(View v, MotionEvent event) {
+ float x, y;
+ int action;
+
+ switch ( event.getSource() ) {
+ case InputDevice.SOURCE_JOYSTICK:
+ case InputDevice.SOURCE_GAMEPAD:
+ case InputDevice.SOURCE_DPAD:
+ return SDLActivity.handleJoystickMotionEvent(event);
+
+ case InputDevice.SOURCE_MOUSE:
+ action = event.getActionMasked();
+ switch (action) {
+ case MotionEvent.ACTION_SCROLL:
+ x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
+ y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
+ SDLActivity.onNativeMouse(0, action, x, y);
+ return true;
+
+ case MotionEvent.ACTION_HOVER_MOVE:
+ x = event.getX(0);
+ y = event.getY(0);
+
+ SDLActivity.onNativeMouse(0, action, x, y);
+ return true;
+
+ default:
+ break;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ // Event was not managed
+ return false;
+ }
+}
projects / rocksndiamonds.git / commitdiff
