diff options
Diffstat (limited to '3rdparty/SDL2/src/core/android/SDL_android.c')
-rw-r--r-- | 3rdparty/SDL2/src/core/android/SDL_android.c | 1776 |
1 files changed, 0 insertions, 1776 deletions
diff --git a/3rdparty/SDL2/src/core/android/SDL_android.c b/3rdparty/SDL2/src/core/android/SDL_android.c deleted file mode 100644 index b93b1625516..00000000000 --- a/3rdparty/SDL2/src/core/android/SDL_android.c +++ /dev/null @@ -1,1776 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../../SDL_internal.h" -#include "SDL_stdinc.h" -#include "SDL_assert.h" -#include "SDL_hints.h" -#include "SDL_log.h" - -#ifdef __ANDROID__ - -#include "SDL_system.h" -#include "SDL_android.h" -#include <EGL/egl.h> - -#include "../../events/SDL_events_c.h" -#include "../../video/android/SDL_androidkeyboard.h" -#include "../../video/android/SDL_androidmouse.h" -#include "../../video/android/SDL_androidtouch.h" -#include "../../video/android/SDL_androidvideo.h" -#include "../../video/android/SDL_androidwindow.h" -#include "../../joystick/android/SDL_sysjoystick_c.h" - -#include <android/log.h> -#include <pthread.h> -#include <sys/types.h> -#include <unistd.h> -#define LOG_TAG "SDL_android" -/* #define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) */ -/* #define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__) */ -#define LOGI(...) do {} while (0) -#define LOGE(...) do {} while (0) - -/* Uncomment this to log messages entering and exiting methods in this file */ -/* #define DEBUG_JNI */ - -static void Android_JNI_ThreadDestroyed(void*); - -/******************************************************************************* - This file links the Java side of Android with libsdl -*******************************************************************************/ -#include <jni.h> -#include <android/log.h> - - -/******************************************************************************* - Globals -*******************************************************************************/ -static pthread_key_t mThreadKey; -static JavaVM* mJavaVM; - -/* Main activity */ -static jclass mActivityClass; - -/* method signatures */ -static jmethodID midGetNativeSurface; -static jmethodID midAudioOpen; -static jmethodID midAudioWriteShortBuffer; -static jmethodID midAudioWriteByteBuffer; -static jmethodID midAudioClose; -static jmethodID midCaptureOpen; -static jmethodID midCaptureReadShortBuffer; -static jmethodID midCaptureReadByteBuffer; -static jmethodID midCaptureClose; -static jmethodID midPollInputDevices; - -/* Accelerometer data storage */ -static float fLastAccelerometer[3]; -static SDL_bool bHasNewData; - -/******************************************************************************* - Functions called by JNI -*******************************************************************************/ - -/* Library init */ -JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved) -{ - JNIEnv *env; - mJavaVM = vm; - LOGI("JNI_OnLoad called"); - if ((*mJavaVM)->GetEnv(mJavaVM, (void**) &env, JNI_VERSION_1_4) != JNI_OK) { - LOGE("Failed to get the environment using GetEnv()"); - return -1; - } - /* - * Create mThreadKey so we can keep track of the JNIEnv assigned to each thread - * Refer to http://developer.android.com/guide/practices/design/jni.html for the rationale behind this - */ - if (pthread_key_create(&mThreadKey, Android_JNI_ThreadDestroyed) != 0) { - __android_log_print(ANDROID_LOG_ERROR, "SDL", "Error initializing pthread key"); - } - Android_JNI_SetupThread(); - - return JNI_VERSION_1_4; -} - -/* Called before SDL_main() to initialize JNI bindings */ -JNIEXPORT void JNICALL SDL_Android_Init(JNIEnv* mEnv, jclass cls) -{ - __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL_Android_Init()"); - - Android_JNI_SetupThread(); - - mActivityClass = (jclass)((*mEnv)->NewGlobalRef(mEnv, cls)); - - midGetNativeSurface = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "getNativeSurface","()Landroid/view/Surface;"); - midAudioOpen = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "audioOpen", "(IZZI)I"); - midAudioWriteShortBuffer = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "audioWriteShortBuffer", "([S)V"); - midAudioWriteByteBuffer = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "audioWriteByteBuffer", "([B)V"); - midAudioClose = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "audioClose", "()V"); - midCaptureOpen = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "captureOpen", "(IZZI)I"); - midCaptureReadShortBuffer = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "captureReadShortBuffer", "([SZ)I"); - midCaptureReadByteBuffer = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "captureReadByteBuffer", "([BZ)I"); - midCaptureClose = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "captureClose", "()V"); - midPollInputDevices = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "pollInputDevices", "()V"); - - bHasNewData = SDL_FALSE; - - if (!midGetNativeSurface || - !midAudioOpen || !midAudioWriteShortBuffer || !midAudioWriteByteBuffer || !midAudioClose || - !midCaptureOpen || !midCaptureReadShortBuffer || !midCaptureReadByteBuffer || !midCaptureClose || - !midPollInputDevices) { - __android_log_print(ANDROID_LOG_WARN, "SDL", "SDL: Couldn't locate Java callbacks, check that they're named and typed correctly"); - } - __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL_Android_Init() finished!"); -} - -/* Drop file */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeDropFile( - JNIEnv* env, jclass jcls, - jstring filename) -{ - const char *path = (*env)->GetStringUTFChars(env, filename, NULL); - SDL_SendDropFile(NULL, path); - (*env)->ReleaseStringUTFChars(env, filename, path); - SDL_SendDropComplete(NULL); -} - -/* Resize */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeResize( - JNIEnv* env, jclass jcls, - jint width, jint height, jint format, jfloat rate) -{ - Android_SetScreenResolution(width, height, format, rate); -} - -/* Paddown */ -JNIEXPORT jint JNICALL Java_org_libsdl_app_SDLActivity_onNativePadDown( - JNIEnv* env, jclass jcls, - jint device_id, jint keycode) -{ - return Android_OnPadDown(device_id, keycode); -} - -/* Padup */ -JNIEXPORT jint JNICALL Java_org_libsdl_app_SDLActivity_onNativePadUp( - JNIEnv* env, jclass jcls, - jint device_id, jint keycode) -{ - return Android_OnPadUp(device_id, keycode); -} - -/* Joy */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeJoy( - JNIEnv* env, jclass jcls, - jint device_id, jint axis, jfloat value) -{ - Android_OnJoy(device_id, axis, value); -} - -/* POV Hat */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeHat( - JNIEnv* env, jclass jcls, - jint device_id, jint hat_id, jint x, jint y) -{ - Android_OnHat(device_id, hat_id, x, y); -} - - -JNIEXPORT jint JNICALL Java_org_libsdl_app_SDLActivity_nativeAddJoystick( - JNIEnv* env, jclass jcls, - jint device_id, jstring device_name, jint is_accelerometer, - jint nbuttons, jint naxes, jint nhats, jint nballs) -{ - int retval; - const char *name = (*env)->GetStringUTFChars(env, device_name, NULL); - - retval = Android_AddJoystick(device_id, name, (SDL_bool) is_accelerometer, nbuttons, naxes, nhats, nballs); - - (*env)->ReleaseStringUTFChars(env, device_name, name); - - return retval; -} - -JNIEXPORT jint JNICALL Java_org_libsdl_app_SDLActivity_nativeRemoveJoystick( - JNIEnv* env, jclass jcls, jint device_id) -{ - return Android_RemoveJoystick(device_id); -} - - -/* Surface Created */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeSurfaceChanged(JNIEnv* env, jclass jcls) -{ - SDL_WindowData *data; - SDL_VideoDevice *_this; - - if (Android_Window == NULL || Android_Window->driverdata == NULL ) { - return; - } - - _this = SDL_GetVideoDevice(); - data = (SDL_WindowData *) Android_Window->driverdata; - - /* If the surface has been previously destroyed by onNativeSurfaceDestroyed, recreate it here */ - if (data->egl_surface == EGL_NO_SURFACE) { - if(data->native_window) { - ANativeWindow_release(data->native_window); - } - data->native_window = Android_JNI_GetNativeWindow(); - data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window); - } - - /* GL Context handling is done in the event loop because this function is run from the Java thread */ - -} - -/* Surface Destroyed */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeSurfaceDestroyed(JNIEnv* env, jclass jcls) -{ - /* We have to clear the current context and destroy the egl surface here - * Otherwise there's BAD_NATIVE_WINDOW errors coming from eglCreateWindowSurface on resume - * Ref: http://stackoverflow.com/questions/8762589/eglcreatewindowsurface-on-ics-and-switching-from-2d-to-3d - */ - SDL_WindowData *data; - SDL_VideoDevice *_this; - - if (Android_Window == NULL || Android_Window->driverdata == NULL ) { - return; - } - - _this = SDL_GetVideoDevice(); - data = (SDL_WindowData *) Android_Window->driverdata; - - if (data->egl_surface != EGL_NO_SURFACE) { - SDL_EGL_MakeCurrent(_this, NULL, NULL); - SDL_EGL_DestroySurface(_this, data->egl_surface); - data->egl_surface = EGL_NO_SURFACE; - } - - /* GL Context handling is done in the event loop because this function is run from the Java thread */ - -} - -/* Keydown */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeKeyDown( - JNIEnv* env, jclass jcls, jint keycode) -{ - Android_OnKeyDown(keycode); -} - -/* Keyup */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeKeyUp( - JNIEnv* env, jclass jcls, jint keycode) -{ - Android_OnKeyUp(keycode); -} - -/* Keyboard Focus Lost */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeKeyboardFocusLost( - JNIEnv* env, jclass jcls) -{ - /* Calling SDL_StopTextInput will take care of hiding the keyboard and cleaning up the DummyText widget */ - SDL_StopTextInput(); -} - - -/* Touch */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeTouch( - JNIEnv* env, jclass jcls, - jint touch_device_id_in, jint pointer_finger_id_in, - jint action, jfloat x, jfloat y, jfloat p) -{ - Android_OnTouch(touch_device_id_in, pointer_finger_id_in, action, x, y, p); -} - -/* Mouse */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeMouse( - JNIEnv* env, jclass jcls, - jint button, jint action, jfloat x, jfloat y) -{ - Android_OnMouse(button, action, x, y); -} - -/* Accelerometer */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_onNativeAccel( - JNIEnv* env, jclass jcls, - jfloat x, jfloat y, jfloat z) -{ - fLastAccelerometer[0] = x; - fLastAccelerometer[1] = y; - fLastAccelerometer[2] = z; - bHasNewData = SDL_TRUE; -} - -/* Low memory */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_nativeLowMemory( - JNIEnv* env, jclass cls) -{ - SDL_SendAppEvent(SDL_APP_LOWMEMORY); -} - -/* Quit */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_nativeQuit( - JNIEnv* env, jclass cls) -{ - /* Discard previous events. The user should have handled state storage - * in SDL_APP_WILLENTERBACKGROUND. After nativeQuit() is called, no - * events other than SDL_QUIT and SDL_APP_TERMINATING should fire */ - SDL_FlushEvents(SDL_FIRSTEVENT, SDL_LASTEVENT); - /* Inject a SDL_QUIT event */ - SDL_SendQuit(); - SDL_SendAppEvent(SDL_APP_TERMINATING); - /* Resume the event loop so that the app can catch SDL_QUIT which - * should now be the top event in the event queue. */ - if (!SDL_SemValue(Android_ResumeSem)) SDL_SemPost(Android_ResumeSem); -} - -/* Pause */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_nativePause( - JNIEnv* env, jclass cls) -{ - __android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativePause()"); - if (Android_Window) { - SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0); - SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_MINIMIZED, 0, 0); - SDL_SendAppEvent(SDL_APP_WILLENTERBACKGROUND); - SDL_SendAppEvent(SDL_APP_DIDENTERBACKGROUND); - - /* *After* sending the relevant events, signal the pause semaphore - * so the event loop knows to pause and (optionally) block itself */ - if (!SDL_SemValue(Android_PauseSem)) SDL_SemPost(Android_PauseSem); - } -} - -/* Resume */ -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLActivity_nativeResume( - JNIEnv* env, jclass cls) -{ - __android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativeResume()"); - - if (Android_Window) { - SDL_SendAppEvent(SDL_APP_WILLENTERFOREGROUND); - SDL_SendAppEvent(SDL_APP_DIDENTERFOREGROUND); - SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_FOCUS_GAINED, 0, 0); - SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESTORED, 0, 0); - /* Signal the resume semaphore so the event loop knows to resume and restore the GL Context - * We can't restore the GL Context here because it needs to be done on the SDL main thread - * and this function will be called from the Java thread instead. - */ - if (!SDL_SemValue(Android_ResumeSem)) SDL_SemPost(Android_ResumeSem); - } -} - -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLInputConnection_nativeCommitText( - JNIEnv* env, jclass cls, - jstring text, jint newCursorPosition) -{ - const char *utftext = (*env)->GetStringUTFChars(env, text, NULL); - - SDL_SendKeyboardText(utftext); - - (*env)->ReleaseStringUTFChars(env, text, utftext); -} - -JNIEXPORT void JNICALL Java_org_libsdl_app_SDLInputConnection_nativeSetComposingText( - JNIEnv* env, jclass cls, - jstring text, jint newCursorPosition) -{ - const char *utftext = (*env)->GetStringUTFChars(env, text, NULL); - - SDL_SendEditingText(utftext, 0, 0); - - (*env)->ReleaseStringUTFChars(env, text, utftext); -} - -JNIEXPORT jstring JNICALL Java_org_libsdl_app_SDLActivity_nativeGetHint(JNIEnv* env, jclass cls, jstring name) { - const char *utfname = (*env)->GetStringUTFChars(env, name, NULL); - const char *hint = SDL_GetHint(utfname); - - jstring result = (*env)->NewStringUTF(env, hint); - (*env)->ReleaseStringUTFChars(env, name, utfname); - - return result; -} - -/******************************************************************************* - Functions called by SDL into Java -*******************************************************************************/ - -static int s_active = 0; -struct LocalReferenceHolder -{ - JNIEnv *m_env; - const char *m_func; -}; - -static struct LocalReferenceHolder LocalReferenceHolder_Setup(const char *func) -{ - struct LocalReferenceHolder refholder; - refholder.m_env = NULL; - refholder.m_func = func; -#ifdef DEBUG_JNI - SDL_Log("Entering function %s", func); -#endif - return refholder; -} - -static SDL_bool LocalReferenceHolder_Init(struct LocalReferenceHolder *refholder, JNIEnv *env) -{ - const int capacity = 16; - if ((*env)->PushLocalFrame(env, capacity) < 0) { - SDL_SetError("Failed to allocate enough JVM local references"); - return SDL_FALSE; - } - ++s_active; - refholder->m_env = env; - return SDL_TRUE; -} - -static void LocalReferenceHolder_Cleanup(struct LocalReferenceHolder *refholder) -{ -#ifdef DEBUG_JNI - SDL_Log("Leaving function %s", refholder->m_func); -#endif - if (refholder->m_env) { - JNIEnv* env = refholder->m_env; - (*env)->PopLocalFrame(env, NULL); - --s_active; - } -} - -static SDL_bool LocalReferenceHolder_IsActive(void) -{ - return s_active > 0; -} - -ANativeWindow* Android_JNI_GetNativeWindow(void) -{ - ANativeWindow* anw; - jobject s; - JNIEnv *env = Android_JNI_GetEnv(); - - s = (*env)->CallStaticObjectMethod(env, mActivityClass, midGetNativeSurface); - anw = ANativeWindow_fromSurface(env, s); - (*env)->DeleteLocalRef(env, s); - - return anw; -} - -void Android_JNI_SetActivityTitle(const char *title) -{ - jmethodID mid; - JNIEnv *mEnv = Android_JNI_GetEnv(); - mid = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,"setActivityTitle","(Ljava/lang/String;)Z"); - if (mid) { - jstring jtitle = (jstring)((*mEnv)->NewStringUTF(mEnv, title)); - (*mEnv)->CallStaticBooleanMethod(mEnv, mActivityClass, mid, jtitle); - (*mEnv)->DeleteLocalRef(mEnv, jtitle); - } -} - -SDL_bool Android_JNI_GetAccelerometerValues(float values[3]) -{ - int i; - SDL_bool retval = SDL_FALSE; - - if (bHasNewData) { - for (i = 0; i < 3; ++i) { - values[i] = fLastAccelerometer[i]; - } - bHasNewData = SDL_FALSE; - retval = SDL_TRUE; - } - - return retval; -} - -static void Android_JNI_ThreadDestroyed(void* value) -{ - /* The thread is being destroyed, detach it from the Java VM and set the mThreadKey value to NULL as required */ - JNIEnv *env = (JNIEnv*) value; - if (env != NULL) { - (*mJavaVM)->DetachCurrentThread(mJavaVM); - pthread_setspecific(mThreadKey, NULL); - } -} - -JNIEnv* Android_JNI_GetEnv(void) -{ - /* From http://developer.android.com/guide/practices/jni.html - * All threads are Linux threads, scheduled by the kernel. - * They're usually started from managed code (using Thread.start), but they can also be created elsewhere and then - * attached to the JavaVM. For example, a thread started with pthread_create can be attached with the - * JNI AttachCurrentThread or AttachCurrentThreadAsDaemon functions. Until a thread is attached, it has no JNIEnv, - * and cannot make JNI calls. - * Attaching a natively-created thread causes a java.lang.Thread object to be constructed and added to the "main" - * ThreadGroup, making it visible to the debugger. Calling AttachCurrentThread on an already-attached thread - * is a no-op. - * Note: You can call this function any number of times for the same thread, there's no harm in it - */ - - JNIEnv *env; - int status = (*mJavaVM)->AttachCurrentThread(mJavaVM, &env, NULL); - if(status < 0) { - LOGE("failed to attach current thread"); - return 0; - } - - /* From http://developer.android.com/guide/practices/jni.html - * Threads attached through JNI must call DetachCurrentThread before they exit. If coding this directly is awkward, - * in Android 2.0 (Eclair) and higher you can use pthread_key_create to define a destructor function that will be - * called before the thread exits, and call DetachCurrentThread from there. (Use that key with pthread_setspecific - * to store the JNIEnv in thread-local-storage; that way it'll be passed into your destructor as the argument.) - * Note: The destructor is not called unless the stored value is != NULL - * Note: You can call this function any number of times for the same thread, there's no harm in it - * (except for some lost CPU cycles) - */ - pthread_setspecific(mThreadKey, (void*) env); - - return env; -} - -int Android_JNI_SetupThread(void) -{ - Android_JNI_GetEnv(); - return 1; -} - -/* - * Audio support - */ -static jboolean audioBuffer16Bit = JNI_FALSE; -static jobject audioBuffer = NULL; -static void* audioBufferPinned = NULL; -static jboolean captureBuffer16Bit = JNI_FALSE; -static jobject captureBuffer = NULL; - -int Android_JNI_OpenAudioDevice(int iscapture, int sampleRate, int is16Bit, int channelCount, int desiredBufferFrames) -{ - jboolean audioBufferStereo; - int audioBufferFrames; - jobject jbufobj = NULL; - jboolean isCopy; - - JNIEnv *env = Android_JNI_GetEnv(); - - if (!env) { - LOGE("callback_handler: failed to attach current thread"); - } - Android_JNI_SetupThread(); - - audioBufferStereo = channelCount > 1; - - if (iscapture) { - __android_log_print(ANDROID_LOG_VERBOSE, "SDL", "SDL audio: opening device for capture"); - captureBuffer16Bit = is16Bit; - if ((*env)->CallStaticIntMethod(env, mActivityClass, midCaptureOpen, sampleRate, audioBuffer16Bit, audioBufferStereo, desiredBufferFrames) != 0) { - /* Error during audio initialization */ - __android_log_print(ANDROID_LOG_WARN, "SDL", "SDL audio: error on AudioRecord initialization!"); - return 0; - } - } else { - __android_log_print(ANDROID_LOG_VERBOSE, "SDL", "SDL audio: opening device for output"); - audioBuffer16Bit = is16Bit; - if ((*env)->CallStaticIntMethod(env, mActivityClass, midAudioOpen, sampleRate, audioBuffer16Bit, audioBufferStereo, desiredBufferFrames) != 0) { - /* Error during audio initialization */ - __android_log_print(ANDROID_LOG_WARN, "SDL", "SDL audio: error on AudioTrack initialization!"); - return 0; - } - } - - /* Allocating the audio buffer from the Java side and passing it as the return value for audioInit no longer works on - * Android >= 4.2 due to a "stale global reference" error. So now we allocate this buffer directly from this side. */ - - if (is16Bit) { - jshortArray audioBufferLocal = (*env)->NewShortArray(env, desiredBufferFrames * (audioBufferStereo ? 2 : 1)); - if (audioBufferLocal) { - jbufobj = (*env)->NewGlobalRef(env, audioBufferLocal); - (*env)->DeleteLocalRef(env, audioBufferLocal); - } - } - else { - jbyteArray audioBufferLocal = (*env)->NewByteArray(env, desiredBufferFrames * (audioBufferStereo ? 2 : 1)); - if (audioBufferLocal) { - jbufobj = (*env)->NewGlobalRef(env, audioBufferLocal); - (*env)->DeleteLocalRef(env, audioBufferLocal); - } - } - - if (jbufobj == NULL) { - __android_log_print(ANDROID_LOG_WARN, "SDL", "SDL audio: could not allocate an audio buffer!"); - return 0; - } - - if (iscapture) { - captureBuffer = jbufobj; - } else { - audioBuffer = jbufobj; - } - - isCopy = JNI_FALSE; - - if (is16Bit) { - if (!iscapture) { - audioBufferPinned = (*env)->GetShortArrayElements(env, (jshortArray)audioBuffer, &isCopy); - } - audioBufferFrames = (*env)->GetArrayLength(env, (jshortArray)audioBuffer); - } else { - if (!iscapture) { - audioBufferPinned = (*env)->GetByteArrayElements(env, (jbyteArray)audioBuffer, &isCopy); - } - audioBufferFrames = (*env)->GetArrayLength(env, (jbyteArray)audioBuffer); - } - - if (audioBufferStereo) { - audioBufferFrames /= 2; - } - - return audioBufferFrames; -} - -void * Android_JNI_GetAudioBuffer(void) -{ - return audioBufferPinned; -} - -void Android_JNI_WriteAudioBuffer(void) -{ - JNIEnv *mAudioEnv = Android_JNI_GetEnv(); - - if (audioBuffer16Bit) { - (*mAudioEnv)->ReleaseShortArrayElements(mAudioEnv, (jshortArray)audioBuffer, (jshort *)audioBufferPinned, JNI_COMMIT); - (*mAudioEnv)->CallStaticVoidMethod(mAudioEnv, mActivityClass, midAudioWriteShortBuffer, (jshortArray)audioBuffer); - } else { - (*mAudioEnv)->ReleaseByteArrayElements(mAudioEnv, (jbyteArray)audioBuffer, (jbyte *)audioBufferPinned, JNI_COMMIT); - (*mAudioEnv)->CallStaticVoidMethod(mAudioEnv, mActivityClass, midAudioWriteByteBuffer, (jbyteArray)audioBuffer); - } - - /* JNI_COMMIT means the changes are committed to the VM but the buffer remains pinned */ -} - -int Android_JNI_CaptureAudioBuffer(void *buffer, int buflen) -{ - JNIEnv *env = Android_JNI_GetEnv(); - jboolean isCopy = JNI_FALSE; - jint br; - - if (captureBuffer16Bit) { - SDL_assert((*env)->GetArrayLength(env, (jshortArray)captureBuffer) == (buflen / 2)); - br = (*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadShortBuffer, (jshortArray)captureBuffer, JNI_TRUE); - if (br > 0) { - jshort *ptr = (*env)->GetShortArrayElements(env, (jshortArray)captureBuffer, &isCopy); - br *= 2; - SDL_memcpy(buffer, ptr, br); - (*env)->ReleaseShortArrayElements(env, (jshortArray)captureBuffer, (jshort *)ptr, JNI_ABORT); - } - } else { - SDL_assert((*env)->GetArrayLength(env, (jshortArray)captureBuffer) == buflen); - br = (*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadByteBuffer, (jbyteArray)captureBuffer, JNI_TRUE); - if (br > 0) { - jbyte *ptr = (*env)->GetByteArrayElements(env, (jbyteArray)captureBuffer, &isCopy); - SDL_memcpy(buffer, ptr, br); - (*env)->ReleaseByteArrayElements(env, (jbyteArray)captureBuffer, (jbyte *)ptr, JNI_ABORT); - } - } - - return (int) br; -} - -void Android_JNI_FlushCapturedAudio(void) -{ - JNIEnv *env = Android_JNI_GetEnv(); - #if 0 /* !!! FIXME: this needs API 23, or it'll do blocking reads and never end. */ - if (captureBuffer16Bit) { - const jint len = (*env)->GetArrayLength(env, (jshortArray)captureBuffer); - while ((*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadShortBuffer, (jshortArray)captureBuffer, JNI_FALSE) == len) { /* spin */ } - } else { - const jint len = (*env)->GetArrayLength(env, (jbyteArray)captureBuffer); - while ((*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadByteBuffer, (jbyteArray)captureBuffer, JNI_FALSE) == len) { /* spin */ } - } - #else - if (captureBuffer16Bit) { - (*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadShortBuffer, (jshortArray)captureBuffer, JNI_FALSE); - } else { - (*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadByteBuffer, (jbyteArray)captureBuffer, JNI_FALSE); - } - #endif -} - -void Android_JNI_CloseAudioDevice(const int iscapture) -{ - JNIEnv *env = Android_JNI_GetEnv(); - - if (iscapture) { - (*env)->CallStaticVoidMethod(env, mActivityClass, midCaptureClose); - if (captureBuffer) { - (*env)->DeleteGlobalRef(env, captureBuffer); - captureBuffer = NULL; - } - } else { - (*env)->CallStaticVoidMethod(env, mActivityClass, midAudioClose); - if (audioBuffer) { - (*env)->DeleteGlobalRef(env, audioBuffer); - audioBuffer = NULL; - audioBufferPinned = NULL; - } - } -} - -/* Test for an exception and call SDL_SetError with its detail if one occurs */ -/* If the parameter silent is truthy then SDL_SetError() will not be called. */ -static SDL_bool Android_JNI_ExceptionOccurred(SDL_bool silent) -{ - JNIEnv *mEnv = Android_JNI_GetEnv(); - jthrowable exception; - - SDL_assert(LocalReferenceHolder_IsActive()); - - exception = (*mEnv)->ExceptionOccurred(mEnv); - if (exception != NULL) { - jmethodID mid; - - /* Until this happens most JNI operations have undefined behaviour */ - (*mEnv)->ExceptionClear(mEnv); - - if (!silent) { - jclass exceptionClass = (*mEnv)->GetObjectClass(mEnv, exception); - jclass classClass = (*mEnv)->FindClass(mEnv, "java/lang/Class"); - jstring exceptionName; - const char* exceptionNameUTF8; - jstring exceptionMessage; - - mid = (*mEnv)->GetMethodID(mEnv, classClass, "getName", "()Ljava/lang/String;"); - exceptionName = (jstring)(*mEnv)->CallObjectMethod(mEnv, exceptionClass, mid); - exceptionNameUTF8 = (*mEnv)->GetStringUTFChars(mEnv, exceptionName, 0); - - mid = (*mEnv)->GetMethodID(mEnv, exceptionClass, "getMessage", "()Ljava/lang/String;"); - exceptionMessage = (jstring)(*mEnv)->CallObjectMethod(mEnv, exception, mid); - - if (exceptionMessage != NULL) { - const char* exceptionMessageUTF8 = (*mEnv)->GetStringUTFChars(mEnv, exceptionMessage, 0); - SDL_SetError("%s: %s", exceptionNameUTF8, exceptionMessageUTF8); - (*mEnv)->ReleaseStringUTFChars(mEnv, exceptionMessage, exceptionMessageUTF8); - } else { - SDL_SetError("%s", exceptionNameUTF8); - } - - (*mEnv)->ReleaseStringUTFChars(mEnv, exceptionName, exceptionNameUTF8); - } - - return SDL_TRUE; - } - - return SDL_FALSE; -} - -static int Internal_Android_JNI_FileOpen(SDL_RWops* ctx) -{ - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); - - int result = 0; - - jmethodID mid; - jobject context; - jobject assetManager; - jobject inputStream; - jclass channels; - jobject readableByteChannel; - jstring fileNameJString; - jobject fd; - jclass fdCls; - jfieldID descriptor; - - JNIEnv *mEnv = Android_JNI_GetEnv(); - if (!LocalReferenceHolder_Init(&refs, mEnv)) { - goto failure; - } - - fileNameJString = (jstring)ctx->hidden.androidio.fileNameRef; - ctx->hidden.androidio.position = 0; - - /* context = SDLActivity.getContext(); */ - mid = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, - "getContext","()Landroid/content/Context;"); - context = (*mEnv)->CallStaticObjectMethod(mEnv, mActivityClass, mid); - - - /* assetManager = context.getAssets(); */ - mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, context), - "getAssets", "()Landroid/content/res/AssetManager;"); - assetManager = (*mEnv)->CallObjectMethod(mEnv, context, mid); - - /* First let's try opening the file to obtain an AssetFileDescriptor. - * This method reads the files directly from the APKs using standard *nix calls - */ - mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, assetManager), "openFd", "(Ljava/lang/String;)Landroid/content/res/AssetFileDescriptor;"); - inputStream = (*mEnv)->CallObjectMethod(mEnv, assetManager, mid, fileNameJString); - if (Android_JNI_ExceptionOccurred(SDL_TRUE)) { - goto fallback; - } - - mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, inputStream), "getStartOffset", "()J"); - ctx->hidden.androidio.offset = (*mEnv)->CallLongMethod(mEnv, inputStream, mid); - if (Android_JNI_ExceptionOccurred(SDL_TRUE)) { - goto fallback; - } - - mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, inputStream), "getDeclaredLength", "()J"); - ctx->hidden.androidio.size = (*mEnv)->CallLongMethod(mEnv, inputStream, mid); - if (Android_JNI_ExceptionOccurred(SDL_TRUE)) { - goto fallback; - } - - mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, inputStream), "getFileDescriptor", "()Ljava/io/FileDescriptor;"); - fd = (*mEnv)->CallObjectMethod(mEnv, inputStream, mid); - fdCls = (*mEnv)->GetObjectClass(mEnv, fd); - descriptor = (*mEnv)->GetFieldID(mEnv, fdCls, "descriptor", "I"); - ctx->hidden.androidio.fd = (*mEnv)->GetIntField(mEnv, fd, descriptor); - ctx->hidden.androidio.assetFileDescriptorRef = (*mEnv)->NewGlobalRef(mEnv, inputStream); - - /* Seek to the correct offset in the file. */ - lseek(ctx->hidden.androidio.fd, (off_t)ctx->hidden.androidio.offset, SEEK_SET); - - if (0) { -fallback: - /* Disabled log message because of spam on the Nexus 7 */ - /* __android_log_print(ANDROID_LOG_DEBUG, "SDL", "Falling back to legacy InputStream method for opening file"); */ - - /* Try the old method using InputStream */ - ctx->hidden.androidio.assetFileDescriptorRef = NULL; - - /* inputStream = assetManager.open(<filename>); */ - mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, assetManager), - "open", "(Ljava/lang/String;I)Ljava/io/InputStream;"); - inputStream = (*mEnv)->CallObjectMethod(mEnv, assetManager, mid, fileNameJString, 1 /* ACCESS_RANDOM */); - if (Android_JNI_ExceptionOccurred(SDL_FALSE)) { - /* Try fallback to APK expansion files */ - mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, context), - "openAPKExpansionInputStream", "(Ljava/lang/String;)Ljava/io/InputStream;"); - if (!mid) { - SDL_SetError("No openAPKExpansionInputStream() in Java class"); - goto failure; /* Java class is missing the required method */ - } - inputStream = (*mEnv)->CallObjectMethod(mEnv, context, mid, fileNameJString); - - /* Exception is checked first because it always needs to be cleared. - * If no exception occurred then the last SDL error message is kept. - */ - if (Android_JNI_ExceptionOccurred(SDL_FALSE) || !inputStream) { - goto failure; - } - } - - ctx->hidden.androidio.inputStreamRef = (*mEnv)->NewGlobalRef(mEnv, inputStream); - - /* Despite all the visible documentation on [Asset]InputStream claiming - * that the .available() method is not guaranteed to return the entire file - * size, comments in <sdk>/samples/<ver>/ApiDemos/src/com/example/ ... - * android/apis/content/ReadAsset.java imply that Android's - * AssetInputStream.available() /will/ always return the total file size - */ - - /* size = inputStream.available(); */ - mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, inputStream), - "available", "()I"); - ctx->hidden.androidio.size = (long)(*mEnv)->CallIntMethod(mEnv, inputStream, mid); - if (Android_JNI_ExceptionOccurred(SDL_FALSE)) { - goto failure; - } - - /* readableByteChannel = Channels.newChannel(inputStream); */ - channels = (*mEnv)->FindClass(mEnv, "java/nio/channels/Channels"); - mid = (*mEnv)->GetStaticMethodID(mEnv, channels, - "newChannel", - "(Ljava/io/InputStream;)Ljava/nio/channels/ReadableByteChannel;"); - readableByteChannel = (*mEnv)->CallStaticObjectMethod( - mEnv, channels, mid, inputStream); - if (Android_JNI_ExceptionOccurred(SDL_FALSE)) { - goto failure; - } - - ctx->hidden.androidio.readableByteChannelRef = - (*mEnv)->NewGlobalRef(mEnv, readableByteChannel); - - /* Store .read id for reading purposes */ - mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, readableByteChannel), - "read", "(Ljava/nio/ByteBuffer;)I"); - ctx->hidden.androidio.readMethod = mid; - } - - if (0) { -failure: - result = -1; - - (*mEnv)->DeleteGlobalRef(mEnv, (jobject)ctx->hidden.androidio.fileNameRef); - - if(ctx->hidden.androidio.inputStreamRef != NULL) { - (*mEnv)->DeleteGlobalRef(mEnv, (jobject)ctx->hidden.androidio.inputStreamRef); - } - - if(ctx->hidden.androidio.readableByteChannelRef != NULL) { - (*mEnv)->DeleteGlobalRef(mEnv, (jobject)ctx->hidden.androidio.readableByteChannelRef); - } - - if(ctx->hidden.androidio.assetFileDescriptorRef != NULL) { - (*mEnv)->DeleteGlobalRef(mEnv, (jobject)ctx->hidden.androidio.assetFileDescriptorRef); - } - - } - - LocalReferenceHolder_Cleanup(&refs); - return result; -} - -int Android_JNI_FileOpen(SDL_RWops* ctx, - const char* fileName, const char* mode) -{ - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); - JNIEnv *mEnv = Android_JNI_GetEnv(); - int retval; - jstring fileNameJString; - - if (!LocalReferenceHolder_Init(&refs, mEnv)) { - LocalReferenceHolder_Cleanup(&refs); - return -1; - } - - if (!ctx) { - LocalReferenceHolder_Cleanup(&refs); - return -1; - } - - fileNameJString = (*mEnv)->NewStringUTF(mEnv, fileName); - ctx->hidden.androidio.fileNameRef = (*mEnv)->NewGlobalRef(mEnv, fileNameJString); - ctx->hidden.androidio.inputStreamRef = NULL; - ctx->hidden.androidio.readableByteChannelRef = NULL; - ctx->hidden.androidio.readMethod = NULL; - ctx->hidden.androidio.assetFileDescriptorRef = NULL; - - retval = Internal_Android_JNI_FileOpen(ctx); - LocalReferenceHolder_Cleanup(&refs); - return retval; -} - -size_t Android_JNI_FileRead(SDL_RWops* ctx, void* buffer, - size_t size, size_t maxnum) -{ - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); - - if (ctx->hidden.androidio.assetFileDescriptorRef) { - size_t bytesMax = size * maxnum; - size_t result; - if (ctx->hidden.androidio.size != -1 /* UNKNOWN_LENGTH */ && ctx->hidden.androidio.position + bytesMax > ctx->hidden.androidio.size) { - bytesMax = ctx->hidden.androidio.size - ctx->hidden.androidio.position; - } - result = read(ctx->hidden.androidio.fd, buffer, bytesMax ); - if (result > 0) { - ctx->hidden.androidio.position += result; - LocalReferenceHolder_Cleanup(&refs); - return result / size; - } - LocalReferenceHolder_Cleanup(&refs); - return 0; - } else { - jlong bytesRemaining = (jlong) (size * maxnum); - jlong bytesMax = (jlong) (ctx->hidden.androidio.size - ctx->hidden.androidio.position); - int bytesRead = 0; - JNIEnv *mEnv; - jobject readableByteChannel; - jmethodID readMethod; - jobject byteBuffer; - - /* Don't read more bytes than those that remain in the file, otherwise we get an exception */ - if (bytesRemaining > bytesMax) bytesRemaining = bytesMax; - - mEnv = Android_JNI_GetEnv(); - if (!LocalReferenceHolder_Init(&refs, mEnv)) { - LocalReferenceHolder_Cleanup(&refs); - return 0; - } - - readableByteChannel = (jobject)ctx->hidden.androidio.readableByteChannelRef; - readMethod = (jmethodID)ctx->hidden.androidio.readMethod; - byteBuffer = (*mEnv)->NewDirectByteBuffer(mEnv, buffer, bytesRemaining); - - while (bytesRemaining > 0) { - /* result = readableByteChannel.read(...); */ - int result = (*mEnv)->CallIntMethod(mEnv, readableByteChannel, readMethod, byteBuffer); - - if (Android_JNI_ExceptionOccurred(SDL_FALSE)) { - LocalReferenceHolder_Cleanup(&refs); - return 0; - } - - if (result < 0) { - break; - } - - bytesRemaining -= result; - bytesRead += result; - ctx->hidden.androidio.position += result; - } - LocalReferenceHolder_Cleanup(&refs); - return bytesRead / size; - } -} - -size_t Android_JNI_FileWrite(SDL_RWops* ctx, const void* buffer, - size_t size, size_t num) -{ - SDL_SetError("Cannot write to Android package filesystem"); - return 0; -} - -static int Internal_Android_JNI_FileClose(SDL_RWops* ctx, SDL_bool release) -{ - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); - - int result = 0; - JNIEnv *mEnv = Android_JNI_GetEnv(); - - if (!LocalReferenceHolder_Init(&refs, mEnv)) { - LocalReferenceHolder_Cleanup(&refs); - return SDL_SetError("Failed to allocate enough JVM local references"); - } - - if (ctx) { - if (release) { - (*mEnv)->DeleteGlobalRef(mEnv, (jobject)ctx->hidden.androidio.fileNameRef); - } - - if (ctx->hidden.androidio.assetFileDescriptorRef) { - jobject inputStream = (jobject)ctx->hidden.androidio.assetFileDescriptorRef; - jmethodID mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, inputStream), - "close", "()V"); - (*mEnv)->CallVoidMethod(mEnv, inputStream, mid); - (*mEnv)->DeleteGlobalRef(mEnv, (jobject)ctx->hidden.androidio.assetFileDescriptorRef); - if (Android_JNI_ExceptionOccurred(SDL_FALSE)) { - result = -1; - } - } - else { - jobject inputStream = (jobject)ctx->hidden.androidio.inputStreamRef; - - /* inputStream.close(); */ - jmethodID mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, inputStream), - "close", "()V"); - (*mEnv)->CallVoidMethod(mEnv, inputStream, mid); - (*mEnv)->DeleteGlobalRef(mEnv, (jobject)ctx->hidden.androidio.inputStreamRef); - (*mEnv)->DeleteGlobalRef(mEnv, (jobject)ctx->hidden.androidio.readableByteChannelRef); - if (Android_JNI_ExceptionOccurred(SDL_FALSE)) { - result = -1; - } - } - - if (release) { - SDL_FreeRW(ctx); - } - } - - LocalReferenceHolder_Cleanup(&refs); - return result; -} - - -Sint64 Android_JNI_FileSize(SDL_RWops* ctx) -{ - return ctx->hidden.androidio.size; -} - -Sint64 Android_JNI_FileSeek(SDL_RWops* ctx, Sint64 offset, int whence) -{ - if (ctx->hidden.androidio.assetFileDescriptorRef) { - off_t ret; - switch (whence) { - case RW_SEEK_SET: - if (ctx->hidden.androidio.size != -1 /* UNKNOWN_LENGTH */ && offset > ctx->hidden.androidio.size) offset = ctx->hidden.androidio.size; - offset += ctx->hidden.androidio.offset; - break; - case RW_SEEK_CUR: - offset += ctx->hidden.androidio.position; - if (ctx->hidden.androidio.size != -1 /* UNKNOWN_LENGTH */ && offset > ctx->hidden.androidio.size) offset = ctx->hidden.androidio.size; - offset += ctx->hidden.androidio.offset; - break; - case RW_SEEK_END: - offset = ctx->hidden.androidio.offset + ctx->hidden.androidio.size + offset; - break; - default: - return SDL_SetError("Unknown value for 'whence'"); - } - whence = SEEK_SET; - - ret = lseek(ctx->hidden.androidio.fd, (off_t)offset, SEEK_SET); - if (ret == -1) return -1; - ctx->hidden.androidio.position = ret - ctx->hidden.androidio.offset; - } else { - Sint64 newPosition; - Sint64 movement; - - switch (whence) { - case RW_SEEK_SET: - newPosition = offset; - break; - case RW_SEEK_CUR: - newPosition = ctx->hidden.androidio.position + offset; - break; - case RW_SEEK_END: - newPosition = ctx->hidden.androidio.size + offset; - break; - default: - return SDL_SetError("Unknown value for 'whence'"); - } - - /* Validate the new position */ - if (newPosition < 0) { - return SDL_Error(SDL_EFSEEK); - } - if (newPosition > ctx->hidden.androidio.size) { - newPosition = ctx->hidden.androidio.size; - } - - movement = newPosition - ctx->hidden.androidio.position; - if (movement > 0) { - unsigned char buffer[4096]; - - /* The easy case where we're seeking forwards */ - while (movement > 0) { - Sint64 amount = sizeof (buffer); - size_t result; - if (amount > movement) { - amount = movement; - } - result = Android_JNI_FileRead(ctx, buffer, 1, amount); - if (result <= 0) { - /* Failed to read/skip the required amount, so fail */ - return -1; - } - - movement -= result; - } - - } else if (movement < 0) { - /* We can't seek backwards so we have to reopen the file and seek */ - /* forwards which obviously isn't very efficient */ - Internal_Android_JNI_FileClose(ctx, SDL_FALSE); - Internal_Android_JNI_FileOpen(ctx); - Android_JNI_FileSeek(ctx, newPosition, RW_SEEK_SET); - } - } - - return ctx->hidden.androidio.position; - -} - -int Android_JNI_FileClose(SDL_RWops* ctx) -{ - return Internal_Android_JNI_FileClose(ctx, SDL_TRUE); -} - -/* returns a new global reference which needs to be released later */ -static jobject Android_JNI_GetSystemServiceObject(const char* name) -{ - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); - JNIEnv* env = Android_JNI_GetEnv(); - jobject retval = NULL; - jstring service; - jmethodID mid; - jobject context; - jobject manager; - - if (!LocalReferenceHolder_Init(&refs, env)) { - LocalReferenceHolder_Cleanup(&refs); - return NULL; - } - - service = (*env)->NewStringUTF(env, name); - - mid = (*env)->GetStaticMethodID(env, mActivityClass, "getContext", "()Landroid/content/Context;"); - context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid); - - mid = (*env)->GetMethodID(env, mActivityClass, "getSystemServiceFromUiThread", "(Ljava/lang/String;)Ljava/lang/Object;"); - manager = (*env)->CallObjectMethod(env, context, mid, service); - - (*env)->DeleteLocalRef(env, service); - - retval = manager ? (*env)->NewGlobalRef(env, manager) : NULL; - LocalReferenceHolder_Cleanup(&refs); - return retval; -} - -#define SETUP_CLIPBOARD(error) \ - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); \ - JNIEnv* env = Android_JNI_GetEnv(); \ - jobject clipboard; \ - if (!LocalReferenceHolder_Init(&refs, env)) { \ - LocalReferenceHolder_Cleanup(&refs); \ - return error; \ - } \ - clipboard = Android_JNI_GetSystemServiceObject("clipboard"); \ - if (!clipboard) { \ - LocalReferenceHolder_Cleanup(&refs); \ - return error; \ - } - -#define CLEANUP_CLIPBOARD() \ - LocalReferenceHolder_Cleanup(&refs); - -int Android_JNI_SetClipboardText(const char* text) -{ - /* Watch out for C89 scoping rules because of the macro */ - SETUP_CLIPBOARD(-1) - - /* Nest the following in a scope to avoid C89 declaration rules triggered by the macro */ - { - jmethodID mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, clipboard), "setText", "(Ljava/lang/CharSequence;)V"); - jstring string = (*env)->NewStringUTF(env, text); - (*env)->CallVoidMethod(env, clipboard, mid, string); - (*env)->DeleteGlobalRef(env, clipboard); - (*env)->DeleteLocalRef(env, string); - } - CLEANUP_CLIPBOARD(); - - return 0; -} - -char* Android_JNI_GetClipboardText(void) -{ - /* Watch out for C89 scoping rules because of the macro */ - SETUP_CLIPBOARD(SDL_strdup("")) - - /* Nest the following in a scope to avoid C89 declaration rules triggered by the macro */ - { - jmethodID mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, clipboard), "getText", "()Ljava/lang/CharSequence;"); - jobject sequence = (*env)->CallObjectMethod(env, clipboard, mid); - (*env)->DeleteGlobalRef(env, clipboard); - if (sequence) { - jstring string; - const char* utf; - mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, sequence), "toString", "()Ljava/lang/String;"); - string = (jstring)((*env)->CallObjectMethod(env, sequence, mid)); - utf = (*env)->GetStringUTFChars(env, string, 0); - if (utf) { - char* text = SDL_strdup(utf); - (*env)->ReleaseStringUTFChars(env, string, utf); - - CLEANUP_CLIPBOARD(); - - return text; - } - } - } - CLEANUP_CLIPBOARD(); - - return SDL_strdup(""); -} - -SDL_bool Android_JNI_HasClipboardText(void) -{ - jmethodID mid; - jboolean has; - /* Watch out for C89 scoping rules because of the macro */ - SETUP_CLIPBOARD(SDL_FALSE) - - mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, clipboard), "hasText", "()Z"); - has = (*env)->CallBooleanMethod(env, clipboard, mid); - (*env)->DeleteGlobalRef(env, clipboard); - - CLEANUP_CLIPBOARD(); - - return has ? SDL_TRUE : SDL_FALSE; -} - - -/* returns 0 on success or -1 on error (others undefined then) - * returns truthy or falsy value in plugged, charged and battery - * returns the value in seconds and percent or -1 if not available - */ -int Android_JNI_GetPowerInfo(int* plugged, int* charged, int* battery, int* seconds, int* percent) -{ - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); - JNIEnv* env = Android_JNI_GetEnv(); - jmethodID mid; - jobject context; - jstring action; - jclass cls; - jobject filter; - jobject intent; - jstring iname; - jmethodID imid; - jstring bname; - jmethodID bmid; - if (!LocalReferenceHolder_Init(&refs, env)) { - LocalReferenceHolder_Cleanup(&refs); - return -1; - } - - - mid = (*env)->GetStaticMethodID(env, mActivityClass, "getContext", "()Landroid/content/Context;"); - context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid); - - action = (*env)->NewStringUTF(env, "android.intent.action.BATTERY_CHANGED"); - - cls = (*env)->FindClass(env, "android/content/IntentFilter"); - - mid = (*env)->GetMethodID(env, cls, "<init>", "(Ljava/lang/String;)V"); - filter = (*env)->NewObject(env, cls, mid, action); - - (*env)->DeleteLocalRef(env, action); - - mid = (*env)->GetMethodID(env, mActivityClass, "registerReceiver", "(Landroid/content/BroadcastReceiver;Landroid/content/IntentFilter;)Landroid/content/Intent;"); - intent = (*env)->CallObjectMethod(env, context, mid, NULL, filter); - - (*env)->DeleteLocalRef(env, filter); - - cls = (*env)->GetObjectClass(env, intent); - - imid = (*env)->GetMethodID(env, cls, "getIntExtra", "(Ljava/lang/String;I)I"); - - /* Watch out for C89 scoping rules because of the macro */ -#define GET_INT_EXTRA(var, key) \ - int var; \ - iname = (*env)->NewStringUTF(env, key); \ - var = (*env)->CallIntMethod(env, intent, imid, iname, -1); \ - (*env)->DeleteLocalRef(env, iname); - - bmid = (*env)->GetMethodID(env, cls, "getBooleanExtra", "(Ljava/lang/String;Z)Z"); - - /* Watch out for C89 scoping rules because of the macro */ -#define GET_BOOL_EXTRA(var, key) \ - int var; \ - bname = (*env)->NewStringUTF(env, key); \ - var = (*env)->CallBooleanMethod(env, intent, bmid, bname, JNI_FALSE); \ - (*env)->DeleteLocalRef(env, bname); - - if (plugged) { - /* Watch out for C89 scoping rules because of the macro */ - GET_INT_EXTRA(plug, "plugged") /* == BatteryManager.EXTRA_PLUGGED (API 5) */ - if (plug == -1) { - LocalReferenceHolder_Cleanup(&refs); - return -1; - } - /* 1 == BatteryManager.BATTERY_PLUGGED_AC */ - /* 2 == BatteryManager.BATTERY_PLUGGED_USB */ - *plugged = (0 < plug) ? 1 : 0; - } - - if (charged) { - /* Watch out for C89 scoping rules because of the macro */ - GET_INT_EXTRA(status, "status") /* == BatteryManager.EXTRA_STATUS (API 5) */ - if (status == -1) { - LocalReferenceHolder_Cleanup(&refs); - return -1; - } - /* 5 == BatteryManager.BATTERY_STATUS_FULL */ - *charged = (status == 5) ? 1 : 0; - } - - if (battery) { - GET_BOOL_EXTRA(present, "present") /* == BatteryManager.EXTRA_PRESENT (API 5) */ - *battery = present ? 1 : 0; - } - - if (seconds) { - *seconds = -1; /* not possible */ - } - - if (percent) { - int level; - int scale; - - /* Watch out for C89 scoping rules because of the macro */ - { - GET_INT_EXTRA(level_temp, "level") /* == BatteryManager.EXTRA_LEVEL (API 5) */ - level = level_temp; - } - /* Watch out for C89 scoping rules because of the macro */ - { - GET_INT_EXTRA(scale_temp, "scale") /* == BatteryManager.EXTRA_SCALE (API 5) */ - scale = scale_temp; - } - - if ((level == -1) || (scale == -1)) { - LocalReferenceHolder_Cleanup(&refs); - return -1; - } - *percent = level * 100 / scale; - } - - (*env)->DeleteLocalRef(env, intent); - - LocalReferenceHolder_Cleanup(&refs); - return 0; -} - -/* returns number of found touch devices as return value and ids in parameter ids */ -int Android_JNI_GetTouchDeviceIds(int **ids) { - JNIEnv *env = Android_JNI_GetEnv(); - jint sources = 4098; /* == InputDevice.SOURCE_TOUCHSCREEN */ - jmethodID mid = (*env)->GetStaticMethodID(env, mActivityClass, "inputGetInputDeviceIds", "(I)[I"); - jintArray array = (jintArray) (*env)->CallStaticObjectMethod(env, mActivityClass, mid, sources); - int number = 0; - *ids = NULL; - if (array) { - number = (int) (*env)->GetArrayLength(env, array); - if (0 < number) { - jint* elements = (*env)->GetIntArrayElements(env, array, NULL); - if (elements) { - int i; - *ids = SDL_malloc(number * sizeof (**ids)); - for (i = 0; i < number; ++i) { /* not assuming sizeof (jint) == sizeof (int) */ - (*ids)[i] = elements[i]; - } - (*env)->ReleaseIntArrayElements(env, array, elements, JNI_ABORT); - } - } - (*env)->DeleteLocalRef(env, array); - } - return number; -} - -void Android_JNI_PollInputDevices(void) -{ - JNIEnv *env = Android_JNI_GetEnv(); - (*env)->CallStaticVoidMethod(env, mActivityClass, midPollInputDevices); -} - -/* See SDLActivity.java for constants. */ -#define COMMAND_SET_KEEP_SCREEN_ON 5 - -/* sends message to be handled on the UI event dispatch thread */ -int Android_JNI_SendMessage(int command, int param) -{ - JNIEnv *env = Android_JNI_GetEnv(); - jmethodID mid; - jboolean success; - if (!env) { - return -1; - } - mid = (*env)->GetStaticMethodID(env, mActivityClass, "sendMessage", "(II)Z"); - if (!mid) { - return -1; - } - success = (*env)->CallStaticBooleanMethod(env, mActivityClass, mid, command, param); - return success ? 0 : -1; -} - -void Android_JNI_SuspendScreenSaver(SDL_bool suspend) -{ - Android_JNI_SendMessage(COMMAND_SET_KEEP_SCREEN_ON, (suspend == SDL_FALSE) ? 0 : 1); -} - -void Android_JNI_ShowTextInput(SDL_Rect *inputRect) -{ - JNIEnv *env = Android_JNI_GetEnv(); - jmethodID mid; - if (!env) { - return; - } - - mid = (*env)->GetStaticMethodID(env, mActivityClass, "showTextInput", "(IIII)Z"); - if (!mid) { - return; - } - (*env)->CallStaticBooleanMethod(env, mActivityClass, mid, - inputRect->x, - inputRect->y, - inputRect->w, - inputRect->h ); -} - -void Android_JNI_HideTextInput(void) -{ - /* has to match Activity constant */ - const int COMMAND_TEXTEDIT_HIDE = 3; - Android_JNI_SendMessage(COMMAND_TEXTEDIT_HIDE, 0); -} - -int Android_JNI_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid) -{ - JNIEnv *env; - jclass clazz; - jmethodID mid; - jobject context; - jstring title; - jstring message; - jintArray button_flags; - jintArray button_ids; - jobjectArray button_texts; - jintArray colors; - jobject text; - jint temp; - int i; - - env = Android_JNI_GetEnv(); - - /* convert parameters */ - - clazz = (*env)->FindClass(env, "java/lang/String"); - - title = (*env)->NewStringUTF(env, messageboxdata->title); - message = (*env)->NewStringUTF(env, messageboxdata->message); - - button_flags = (*env)->NewIntArray(env, messageboxdata->numbuttons); - button_ids = (*env)->NewIntArray(env, messageboxdata->numbuttons); - button_texts = (*env)->NewObjectArray(env, messageboxdata->numbuttons, - clazz, NULL); - for (i = 0; i < messageboxdata->numbuttons; ++i) { - temp = messageboxdata->buttons[i].flags; - (*env)->SetIntArrayRegion(env, button_flags, i, 1, &temp); - temp = messageboxdata->buttons[i].buttonid; - (*env)->SetIntArrayRegion(env, button_ids, i, 1, &temp); - text = (*env)->NewStringUTF(env, messageboxdata->buttons[i].text); - (*env)->SetObjectArrayElement(env, button_texts, i, text); - (*env)->DeleteLocalRef(env, text); - } - - if (messageboxdata->colorScheme) { - colors = (*env)->NewIntArray(env, SDL_MESSAGEBOX_COLOR_MAX); - for (i = 0; i < SDL_MESSAGEBOX_COLOR_MAX; ++i) { - temp = (0xFF << 24) | - (messageboxdata->colorScheme->colors[i].r << 16) | - (messageboxdata->colorScheme->colors[i].g << 8) | - (messageboxdata->colorScheme->colors[i].b << 0); - (*env)->SetIntArrayRegion(env, colors, i, 1, &temp); - } - } else { - colors = NULL; - } - - (*env)->DeleteLocalRef(env, clazz); - - /* call function */ - - mid = (*env)->GetStaticMethodID(env, mActivityClass, "getContext","()Landroid/content/Context;"); - - context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid); - - clazz = (*env)->GetObjectClass(env, context); - - mid = (*env)->GetMethodID(env, clazz, - "messageboxShowMessageBox", "(ILjava/lang/String;Ljava/lang/String;[I[I[Ljava/lang/String;[I)I"); - *buttonid = (*env)->CallIntMethod(env, context, mid, - messageboxdata->flags, - title, - message, - button_flags, - button_ids, - button_texts, - colors); - - (*env)->DeleteLocalRef(env, context); - (*env)->DeleteLocalRef(env, clazz); - - /* delete parameters */ - - (*env)->DeleteLocalRef(env, title); - (*env)->DeleteLocalRef(env, message); - (*env)->DeleteLocalRef(env, button_flags); - (*env)->DeleteLocalRef(env, button_ids); - (*env)->DeleteLocalRef(env, button_texts); - (*env)->DeleteLocalRef(env, colors); - - return 0; -} - -/* -////////////////////////////////////////////////////////////////////////////// -// -// Functions exposed to SDL applications in SDL_system.h -////////////////////////////////////////////////////////////////////////////// -*/ - -void *SDL_AndroidGetJNIEnv() -{ - return Android_JNI_GetEnv(); -} - - - -void *SDL_AndroidGetActivity() -{ - /* See SDL_system.h for caveats on using this function. */ - - jmethodID mid; - - JNIEnv *env = Android_JNI_GetEnv(); - if (!env) { - return NULL; - } - - /* return SDLActivity.getContext(); */ - mid = (*env)->GetStaticMethodID(env, mActivityClass, - "getContext","()Landroid/content/Context;"); - return (*env)->CallStaticObjectMethod(env, mActivityClass, mid); -} - -const char * SDL_AndroidGetInternalStoragePath() -{ - static char *s_AndroidInternalFilesPath = NULL; - - if (!s_AndroidInternalFilesPath) { - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); - jmethodID mid; - jobject context; - jobject fileObject; - jstring pathString; - const char *path; - - JNIEnv *env = Android_JNI_GetEnv(); - if (!LocalReferenceHolder_Init(&refs, env)) { - LocalReferenceHolder_Cleanup(&refs); - return NULL; - } - - /* context = SDLActivity.getContext(); */ - mid = (*env)->GetStaticMethodID(env, mActivityClass, - "getContext","()Landroid/content/Context;"); - context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid); - - /* fileObj = context.getFilesDir(); */ - mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, context), - "getFilesDir", "()Ljava/io/File;"); - fileObject = (*env)->CallObjectMethod(env, context, mid); - if (!fileObject) { - SDL_SetError("Couldn't get internal directory"); - LocalReferenceHolder_Cleanup(&refs); - return NULL; - } - - /* path = fileObject.getAbsolutePath(); */ - mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, fileObject), - "getAbsolutePath", "()Ljava/lang/String;"); - pathString = (jstring)(*env)->CallObjectMethod(env, fileObject, mid); - - path = (*env)->GetStringUTFChars(env, pathString, NULL); - s_AndroidInternalFilesPath = SDL_strdup(path); - (*env)->ReleaseStringUTFChars(env, pathString, path); - - LocalReferenceHolder_Cleanup(&refs); - } - return s_AndroidInternalFilesPath; -} - -int SDL_AndroidGetExternalStorageState() -{ - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); - jmethodID mid; - jclass cls; - jstring stateString; - const char *state; - int stateFlags; - - JNIEnv *env = Android_JNI_GetEnv(); - if (!LocalReferenceHolder_Init(&refs, env)) { - LocalReferenceHolder_Cleanup(&refs); - return 0; - } - - cls = (*env)->FindClass(env, "android/os/Environment"); - mid = (*env)->GetStaticMethodID(env, cls, - "getExternalStorageState", "()Ljava/lang/String;"); - stateString = (jstring)(*env)->CallStaticObjectMethod(env, cls, mid); - - state = (*env)->GetStringUTFChars(env, stateString, NULL); - - /* Print an info message so people debugging know the storage state */ - __android_log_print(ANDROID_LOG_INFO, "SDL", "external storage state: %s", state); - - if (SDL_strcmp(state, "mounted") == 0) { - stateFlags = SDL_ANDROID_EXTERNAL_STORAGE_READ | - SDL_ANDROID_EXTERNAL_STORAGE_WRITE; - } else if (SDL_strcmp(state, "mounted_ro") == 0) { - stateFlags = SDL_ANDROID_EXTERNAL_STORAGE_READ; - } else { - stateFlags = 0; - } - (*env)->ReleaseStringUTFChars(env, stateString, state); - - LocalReferenceHolder_Cleanup(&refs); - return stateFlags; -} - -const char * SDL_AndroidGetExternalStoragePath() -{ - static char *s_AndroidExternalFilesPath = NULL; - - if (!s_AndroidExternalFilesPath) { - struct LocalReferenceHolder refs = LocalReferenceHolder_Setup(__FUNCTION__); - jmethodID mid; - jobject context; - jobject fileObject; - jstring pathString; - const char *path; - - JNIEnv *env = Android_JNI_GetEnv(); - if (!LocalReferenceHolder_Init(&refs, env)) { - LocalReferenceHolder_Cleanup(&refs); - return NULL; - } - - /* context = SDLActivity.getContext(); */ - mid = (*env)->GetStaticMethodID(env, mActivityClass, - "getContext","()Landroid/content/Context;"); - context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid); - - /* fileObj = context.getExternalFilesDir(); */ - mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, context), - "getExternalFilesDir", "(Ljava/lang/String;)Ljava/io/File;"); - fileObject = (*env)->CallObjectMethod(env, context, mid, NULL); - if (!fileObject) { - SDL_SetError("Couldn't get external directory"); - LocalReferenceHolder_Cleanup(&refs); - return NULL; - } - - /* path = fileObject.getAbsolutePath(); */ - mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, fileObject), - "getAbsolutePath", "()Ljava/lang/String;"); - pathString = (jstring)(*env)->CallObjectMethod(env, fileObject, mid); - - path = (*env)->GetStringUTFChars(env, pathString, NULL); - s_AndroidExternalFilesPath = SDL_strdup(path); - (*env)->ReleaseStringUTFChars(env, pathString, path); - - LocalReferenceHolder_Cleanup(&refs); - } - return s_AndroidExternalFilesPath; -} - -jclass Android_JNI_GetActivityClass(void) -{ - return mActivityClass; -} - -#endif /* __ANDROID__ */ - -/* vi: set ts=4 sw=4 expandtab: */ - |