diff options
Diffstat (limited to '3rdparty/SDL2/android-project/src/org/libsdl')
-rw-r--r-- | 3rdparty/SDL2/android-project/src/org/libsdl/app/SDLActivity.java | 1742 |
1 files changed, 0 insertions, 1742 deletions
diff --git a/3rdparty/SDL2/android-project/src/org/libsdl/app/SDLActivity.java b/3rdparty/SDL2/android-project/src/org/libsdl/app/SDLActivity.java deleted file mode 100644 index c3d44843793..00000000000 --- a/3rdparty/SDL2/android-project/src/org/libsdl/app/SDLActivity.java +++ /dev/null @@ -1,1742 +0,0 @@ -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", - // "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; - } -} |