diff options
| author | Michal Idziorek <m.i@gmx.at> | 2017-09-27 13:11:34 +0200 |
|---|---|---|
| committer | Michal Idziorek <m.i@gmx.at> | 2017-09-27 13:11:34 +0200 |
| commit | afbad5d89e971dbd1f9a6e41d561247057588e85 (patch) | |
| tree | b3e1e80244ad4e32b205d703d3e3e0f3fad460db /android/app/src/main/java | |
| parent | 42fc93a611acc05130f1b1061987b4c5bd76645b (diff) | |
moving files
Diffstat (limited to 'android/app/src/main/java')
| -rw-r--r-- | android/app/src/main/java/org/libsdl/app/SDLActivity.java | 2167 |
1 files changed, 2167 insertions, 0 deletions
diff --git a/android/app/src/main/java/org/libsdl/app/SDLActivity.java b/android/app/src/main/java/org/libsdl/app/SDLActivity.java new file mode 100644 index 0000000..d3da10e --- /dev/null +++ b/android/app/src/main/java/org/libsdl/app/SDLActivity.java @@ -0,0 +1,2167 @@ +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"; + + public static boolean mIsResumedCalled, mIsSurfaceReady, mHasFocus; + + // Handle the state of the native layer + public enum NativeState { + INIT, RESUMED, PAUSED + } + + public static NativeState mNextNativeState; + public static NativeState mCurrentNativeState; + + 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 Context mContext; + protected static SDLActivity mSingleton; + protected static SDLSurface mSurface; + protected static View mTextEdit; + protected static boolean mScreenKeyboardShown; + protected static ViewGroup mLayout; + protected static SDLJoystickHandler mJoystickHandler; + protected static SDLHapticHandler mHapticHandler; + protected static SDLClipboardHandler mClipboardHandler; + + + // 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 returns the name of the shared object with the application entry point + * It can be overridden by derived classes. + */ + protected String getMainSharedObject() { + String library; + String[] libraries = SDLActivity.mSingleton.getLibraries(); + if (libraries.length > 0) { + library = "lib" + libraries[libraries.length - 1] + ".so"; + } else { + library = "libmain.so"; + } + return library; + } + + /** + * This method returns the name of the application entry point + * It can be overridden by derived classes. + */ + protected String getMainFunction() { + return "SDL_main"; + } + + /** + * 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 + mContext = null; + mSingleton = null; + mSurface = null; + mTextEdit = null; + mLayout = null; + mJoystickHandler = null; + mHapticHandler = null; + mClipboardHandler = null; + mSDLThread = null; + mAudioTrack = null; + mAudioRecord = null; + mExitCalledFromJava = false; + mBrokenLibraries = false; + mIsResumedCalled = false; + mIsSurfaceReady = false; + mHasFocus = true; + mNextNativeState = NativeState.INIT; + mCurrentNativeState = NativeState.INIT; + } + + // Setup + public static void setContext(Context context) { + mContext = context; + } + @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()"); + super.onCreate(savedInstanceState); + + SDLActivity.initialize(); + + // So we can call stuff from static callbacks + mContext = 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 JNI + SDLActivity.nativeSetupJNI(); + + if (Build.VERSION.SDK_INT >= 16) { + mJoystickHandler = new SDLJoystickHandler_API16(); + } else if (Build.VERSION.SDK_INT >= 12) { + mJoystickHandler = new SDLJoystickHandler_API12(); + } else { + mJoystickHandler = new SDLJoystickHandler(); + } + mHapticHandler = new SDLHapticHandler(); + + if (Build.VERSION.SDK_INT >= 11) { + mClipboardHandler = new SDLClipboardHandler_API11(); + } else { + /* Before API 11, no clipboard notification (eg no SDL_CLIPBOARDUPDATE) */ + mClipboardHandler = new SDLClipboardHandler_Old(); + } + + // Set up the surface + mSurface = new SDLSurface(getApplication()); + + 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(); + mNextNativeState = NativeState.PAUSED; + mIsResumedCalled = false; + + if (SDLActivity.mBrokenLibraries) { + return; + } + + SDLActivity.handleNativeState(); + } + + @Override + protected void onResume() { + Log.v(TAG, "onResume()"); + super.onResume(); + mNextNativeState = NativeState.RESUMED; + mIsResumedCalled = true; + + if (SDLActivity.mBrokenLibraries) { + return; + } + + SDLActivity.handleNativeState(); + } + + + @Override + public void onWindowFocusChanged(boolean hasFocus) { + super.onWindowFocusChanged(hasFocus); + Log.v(TAG, "onWindowFocusChanged(): " + hasFocus); + + if (SDLActivity.mBrokenLibraries) { + return; + } + + SDLActivity.mHasFocus = hasFocus; + if (hasFocus) { + mNextNativeState = NativeState.RESUMED; + } else { + mNextNativeState = NativeState.PAUSED; + } + + SDLActivity.handleNativeState(); + } + + @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; + } + + mNextNativeState = NativeState.PAUSED; + SDLActivity.handleNativeState(); + + // 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 == KeyEvent.KEYCODE_ZOOM_IN || /* API 11 */ + keyCode == KeyEvent.KEYCODE_ZOOM_OUT /* API 11 */ + ) { + return false; + } + return super.dispatchKeyEvent(event); + } + + /* Transition to next state */ + public static void handleNativeState() { + + if (mNextNativeState == mCurrentNativeState) { + // Already in same state, discard. + return; + } + + // Try a transition to init state + if (mNextNativeState == NativeState.INIT) { + + mCurrentNativeState = mNextNativeState; + return; + } + + // Try a transition to paused state + if (mNextNativeState == NativeState.PAUSED) { + nativePause(); + mSurface.handlePause(); + mCurrentNativeState = mNextNativeState; + return; + } + + // Try a transition to resumed state + if (mNextNativeState == NativeState.RESUMED) { + if (mIsSurfaceReady && mHasFocus && mIsResumedCalled) { + if (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 + // FIXME: Why aren't we enabling sensor input at start? + + final Thread sdlThread = new Thread(new SDLMain(), "SDLThread"); + mSurface.enableSensor(Sensor.TYPE_ACCELEROMETER, true); + sdlThread.start(); + + // Set up a listener thread to catch when the native thread ends + mSDLThread = new Thread(new Runnable() { + @Override + public void run() { + try { + sdlThread.join(); + } catch (Exception e) { + // Ignore any exception + } finally { + // Native thread has finished + if (!mExitCalledFromJava) { + handleNativeExit(); + } + } + } + }, "SDLThreadListener"); + + mSDLThread.start(); + } + + nativeResume(); + mSurface.handleResume(); + mCurrentNativeState = mNextNativeState; + } + return; + } + } + + /* 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); + + mScreenKeyboardShown = false; + } + break; + case COMMAND_SET_KEEP_SCREEN_ON: + { + if (context instanceof Activity) { + 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 nativeSetupJNI(); + public static native int nativeRunMain(String library, String function, 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 onNativeClipboardChanged(); + public static native void onNativeSurfaceChanged(); + public static native void onNativeSurfaceDestroyed(); + public static native int nativeAddJoystick(int device_id, String name, String desc, + int is_accelerometer, int nbuttons, + int naxes, int nhats, int nballs); + public static native int nativeRemoveJoystick(int device_id); + public static native int nativeAddHaptic(int device_id, String name); + public static native int nativeRemoveHaptic(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. + * This is a static method for JNI convenience, it calls a non-static method + * so that is can be overridden + */ + public static void setOrientation(int w, int h, boolean resizable, String hint) + { + if (mSingleton != null) { + mSingleton.setOrientationBis(w, h, resizable, hint); + } + } + + /** + * This can be overridden + */ + public void setOrientationBis(int w, int h, boolean resizable, String hint) + { + int orientation = -1; + + if (hint != "") { + if (hint.contains("LandscapeRight") && hint.contains("LandscapeLeft")) { + orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE; + } else if (hint.contains("LandscapeRight")) { + orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE; + } else if (hint.contains("LandscapeLeft")) { + orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE; + } else if (hint.contains("Portrait") && hint.contains("PortraitUpsideDown")) { + orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT; + } else if (hint.contains("Portrait")) { + orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT; + } else if (hint.contains("PortraitUpsideDown")) { + orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT; + } + } + + /* no valid hint */ + if (orientation == -1) { + if (resizable) { + /* no fixed orientation */ + } else { + if (w > h) { + orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE; + } else { + orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT; + } + } + } + + Log.v("SDL", "setOrientation() orientation=" + orientation + " width=" + w +" height="+ h +" resizable=" + resizable + " hint=" + hint); + if (orientation != -1) { + mSingleton.setRequestedOrientation(orientation); + } + + return; + } + + + /** + * This method is called by SDL using JNI. + */ + public static boolean isScreenKeyboardShown() + { + if (mTextEdit == null) { + return false; + } + + if (mScreenKeyboardShown == false) { + return false; + } + + InputMethodManager imm = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE); + if (imm.isAcceptingText()) { + return true; + } + + return false; + } + + /** + * This method is called by SDL using JNI. + */ + public static boolean sendMessage(int command, int param) { + if (mSingleton == null) { + return false; + } + return mSingleton.sendCommand(command, Integer.valueOf(param)); + } + + /** + * This method is called by SDL using JNI. + */ + public static Context getContext() { + return mContext; + } + + 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); + + mScreenKeyboardShown = true; + } + } + + /** + * 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)); + } + + public static boolean isTextInputEvent(KeyEvent event) { + + // Key pressed with Ctrl should be sent as SDL_KEYDOWN/SDL_KEYUP and not SDL_TEXTINPUT + if (android.os.Build.VERSION.SDK_INT >= 11) { + if (event.isCtrlPressed()) { + return false; + } + } + + if (event.isPrintingKey() || event.getKeyCode() == KeyEvent.KEYCODE_SPACE) { + return true; + } + return false; + } + + /** + * This method is called by SDL using JNI. + */ + public static Surface getNativeSurface() { + if (SDLActivity.mSurface == null) { + return null; + } + 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(); + } + } + + /** + * This method is called by SDL using JNI. + */ + public static void pollHapticDevices() { + if (SDLActivity.mSDLThread != null) { + mHapticHandler.pollHapticDevices(); + } + } + + /** + * This method is called by SDL using JNI. + */ + public static void hapticRun(int device_id, int length) { + if (SDLActivity.mSDLThread != null) { + mHapticHandler.run(device_id, length); + } + } + + // 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(KeyEvent.KEYCODE_ESCAPE, button); /* API 11 */ + } + } + 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; + } + + /** + * This method is called by SDL using JNI. + */ + public static boolean clipboardHasText() { + return mClipboardHandler.clipboardHasText(); + } + + /** + * This method is called by SDL using JNI. + */ + public static String clipboardGetText() { + return mClipboardHandler.clipboardGetText(); + } + + /** + * This method is called by SDL using JNI. + */ + public static void clipboardSetText(String string) { + mClipboardHandler.clipboardSetText(string); + return; + } + +} + +/** + Simple runnable to start the SDL application +*/ +class SDLMain implements Runnable { + @Override + public void run() { + // Runs SDL_main() + String library = SDLActivity.mSingleton.getMainSharedObject(); + String function = SDLActivity.mSingleton.getMainFunction(); + String[] arguments = SDLActivity.mSingleton.getArguments(); + + Log.v("SDL", "Running main function " + function + " from library " + library); + SDLActivity.nativeRunMain(library, function, arguments); + + Log.v("SDL", "Finished main function"); + } +} + + +/** + 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()"); + + // Transition to pause, if needed + SDLActivity.mNextNativeState = SDLActivity.NativeState.PAUSED; + SDLActivity.handleNativeState(); + + 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 || requestedOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) + { + if (mWidth > mHeight) { + skip = true; + } + } else if (requestedOrientation == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE || requestedOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_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."); + SDLActivity.mIsSurfaceReady = false; + return; + } + + /* Surface is ready */ + SDLActivity.mIsSurfaceReady = true; + + /* If the surface has been previously destroyed by onNativeSurfaceDestroyed, recreate it here */ + SDLActivity.onNativeSurfaceChanged(); + + SDLActivity.handleNativeState(); + } + + // 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.getAction() == KeyEvent.ACTION_DOWN) { + if (SDLActivity.isTextInputEvent(event)) { + ic.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 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 + | EditorInfo.IME_FLAG_NO_FULLSCREEN /* API 11 */; + + 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 (SDLActivity.isTextInputEvent(event)) { + 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 + // and https://bugzilla.libsdl.org/show_bug.cgi?id=2265 + if (beforeLength > 0 && afterLength == 0) { + boolean ret = true; + // backspace(s) + while (beforeLength-- > 0) { + boolean ret_key = sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL)) + && sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DEL)); + ret = ret && ret_key; + } + return ret; + } + + 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 String desc; + 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.desc = getJoystickDescriptor(joystickDevice); + 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, joystick.desc, 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; + } + + public String getJoystickDescriptor(InputDevice joystickDevice) { + return joystickDevice.getName(); + } +} + + +class SDLJoystickHandler_API16 extends SDLJoystickHandler_API12 { + + @Override + public String getJoystickDescriptor(InputDevice joystickDevice) { + String desc = joystickDevice.getDescriptor(); + + if (desc != null && desc != "") { + return desc; + } + + return super.getJoystickDescriptor(joystickDevice); + } +} + +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: + if (!SDLActivity.mSeparateMouseAndTouch) { + break; + } + 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; + } +} + +class SDLHapticHandler { + + class SDLHaptic { + public int device_id; + public String name; + public Vibrator vib; + } + + private ArrayList<SDLHaptic> mHaptics; + + public SDLHapticHandler() { + mHaptics = new ArrayList<SDLHaptic>(); + } + + public void run(int device_id, int length) { + SDLHaptic haptic = getHaptic(device_id); + if (haptic != null) { + haptic.vib.vibrate (length); + } + } + + public void pollHapticDevices() { + + final int deviceId_VIBRATOR_SERVICE = 999999; + boolean hasVibratorService = false; + + 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 + + if (Build.VERSION.SDK_INT >= 16) + { + for (int i = deviceIds.length-1; i > -1; i--) { + SDLHaptic haptic = getHaptic(deviceIds[i]); + if (haptic == null) { + InputDevice device = InputDevice.getDevice(deviceIds[i]); + Vibrator vib = device.getVibrator(); + if (vib.hasVibrator()) { + haptic = new SDLHaptic(); + haptic.device_id = deviceIds[i]; + haptic.name = device.getName(); + haptic.vib = vib; + mHaptics.add(haptic); + SDLActivity.nativeAddHaptic(haptic.device_id, haptic.name); + } + } + } + } + + /* Check VIBRATOR_SERVICE */ + Vibrator vib = (Vibrator) SDLActivity.mSingleton.getContext().getSystemService(Context.VIBRATOR_SERVICE); + if (vib != null) { + if (Build.VERSION.SDK_INT >= 11) { + hasVibratorService = vib.hasVibrator(); + } else { + hasVibratorService = true; + } + + if (hasVibratorService) { + SDLHaptic haptic = getHaptic(deviceId_VIBRATOR_SERVICE); + if (haptic == null) { + haptic = new SDLHaptic(); + haptic.device_id = deviceId_VIBRATOR_SERVICE; + haptic.name = "VIBRATOR_SERVICE"; + haptic.vib = vib; + mHaptics.add(haptic); + SDLActivity.nativeAddHaptic(haptic.device_id, haptic.name); + } + } + } + + /* Check removed devices */ + ArrayList<Integer> removedDevices = new ArrayList<Integer>(); + for(int i=0; i < mHaptics.size(); i++) { + int device_id = mHaptics.get(i).device_id; + int j; + for (j=0; j < deviceIds.length; j++) { + if (device_id == deviceIds[j]) break; + } + + if (device_id == deviceId_VIBRATOR_SERVICE && hasVibratorService) { + // don't remove the vibrator if it is still present + } else if (j == deviceIds.length) { + removedDevices.add(device_id); + } + } + + for(int i=0; i < removedDevices.size(); i++) { + int device_id = removedDevices.get(i); + SDLActivity.nativeRemoveHaptic(device_id); + for (int j=0; j < mHaptics.size(); j++) { + if (mHaptics.get(j).device_id == device_id) { + mHaptics.remove(j); + break; + } + } + } + } + + protected SDLHaptic getHaptic(int device_id) { + for(int i=0; i < mHaptics.size(); i++) { + if (mHaptics.get(i).device_id == device_id) { + return mHaptics.get(i); + } + } + return null; + } +} + + +interface SDLClipboardHandler { + + public boolean clipboardHasText(); + public String clipboardGetText(); + public void clipboardSetText(String string); + +} + + +class SDLClipboardHandler_API11 implements + SDLClipboardHandler, + android.content.ClipboardManager.OnPrimaryClipChangedListener { + + protected android.content.ClipboardManager mClipMgr; + + SDLClipboardHandler_API11() { + mClipMgr = (android.content.ClipboardManager) SDLActivity.mSingleton.getContext().getSystemService(Context.CLIPBOARD_SERVICE); + mClipMgr.addPrimaryClipChangedListener(this); + } + + @Override + public boolean clipboardHasText() { + return mClipMgr.hasText(); + } + + @Override + public String clipboardGetText() { + CharSequence text; + text = mClipMgr.getText(); + if (text != null) { + return text.toString(); + } + return null; + } + + @Override + public void clipboardSetText(String string) { + mClipMgr.removePrimaryClipChangedListener(this); + mClipMgr.setText(string); + mClipMgr.addPrimaryClipChangedListener(this); + } + + @Override + public void onPrimaryClipChanged() { + SDLActivity.onNativeClipboardChanged(); + } + +} + +class SDLClipboardHandler_Old implements + SDLClipboardHandler { + + protected android.text.ClipboardManager mClipMgrOld; + + SDLClipboardHandler_Old() { + mClipMgrOld = (android.text.ClipboardManager) SDLActivity.mSingleton.getContext().getSystemService(Context.CLIPBOARD_SERVICE); + } + + @Override + public boolean clipboardHasText() { + return mClipMgrOld.hasText(); + } + + @Override + public String clipboardGetText() { + CharSequence text; + text = mClipMgrOld.getText(); + if (text != null) { + return text.toString(); + } + return null; + } + + @Override + public void clipboardSetText(String string) { + mClipMgrOld.setText(string); + return; + } +} + + |
