summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/SDL2/src/core/android/SDL_android.c
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/SDL2/src/core/android/SDL_android.c')
-rw-r--r--3rdparty/SDL2/src/core/android/SDL_android.c1776
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: */
-