/
SDL_android.c
2407 lines (2009 loc) · 87.1 KB
/
SDL_android.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2018 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"
#include "SDL_main.h"
#ifdef __ANDROID__
#include "SDL_system.h"
#include "SDL_android.h"
#include "keyinfotable.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 "../../haptic/android/SDL_syshaptic_c.h"
#include <android/log.h>
#include <pthread.h>
#include <sys/types.h>
#include <unistd.h>
#include <dlfcn.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)
#define SDL_JAVA_PREFIX org_libsdl_app
#define CONCAT1(prefix, class, function) CONCAT2(prefix, class, function)
#define CONCAT2(prefix, class, function) Java_ ## prefix ## _ ## class ## _ ## function
#define SDL_JAVA_INTERFACE(function) CONCAT1(SDL_JAVA_PREFIX, SDLActivity, function)
#define SDL_JAVA_AUDIO_INTERFACE(function) CONCAT1(SDL_JAVA_PREFIX, SDLAudioManager, function)
#define SDL_JAVA_CONTROLLER_INTERFACE(function) CONCAT1(SDL_JAVA_PREFIX, SDLControllerManager, function)
#define SDL_JAVA_INTERFACE_INPUT_CONNECTION(function) CONCAT1(SDL_JAVA_PREFIX, SDLInputConnection, function)
/* Audio encoding definitions */
#define ENCODING_PCM_8BIT 3
#define ENCODING_PCM_16BIT 2
#define ENCODING_PCM_FLOAT 4
/* Java class SDLActivity */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetupJNI)(
JNIEnv* mEnv, jclass cls);
JNIEXPORT int JNICALL SDL_JAVA_INTERFACE(nativeRunMain)(
JNIEnv* env, jclass cls,
jstring library, jstring function, jobject array);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeDropFile)(
JNIEnv* env, jclass jcls,
jstring filename);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeResize)(
JNIEnv* env, jclass jcls,
jint surfaceWidth, jint surfaceHeight,
jint deviceWidth, jint deviceHeight, jint format, jfloat rate);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceChanged)(
JNIEnv* env, jclass jcls);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceDestroyed)(
JNIEnv* env, jclass jcls);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyDown)(
JNIEnv* env, jclass jcls,
jint keycode);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyUp)(
JNIEnv* env, jclass jcls,
jint keycode);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyboardFocusLost)(
JNIEnv* env, jclass jcls);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeTouch)(
JNIEnv* env, jclass jcls,
jint touch_device_id_in, jint pointer_finger_id_in,
jint action, jfloat x, jfloat y, jfloat p);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeMouse)(
JNIEnv* env, jclass jcls,
jint button, jint action, jfloat x, jfloat y, jboolean relative);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeAccel)(
JNIEnv* env, jclass jcls,
jfloat x, jfloat y, jfloat z);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeClipboardChanged)(
JNIEnv* env, jclass jcls);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeLowMemory)(
JNIEnv* env, jclass cls);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeQuit)(
JNIEnv* env, jclass cls);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativePause)(
JNIEnv* env, jclass cls);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeResume)(
JNIEnv* env, jclass cls);
JNIEXPORT jstring JNICALL SDL_JAVA_INTERFACE(nativeGetHint)(
JNIEnv* env, jclass cls,
jstring name);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetenv)(
JNIEnv* env, jclass cls,
jstring name, jstring value);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeEnvironmentVariablesSet)(
JNIEnv* env, jclass cls);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeOrientationChanged)(
JNIEnv* env, jclass cls,
jint orientation);
/* Java class SDLInputConnection */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeCommitText)(
JNIEnv* env, jclass cls,
jstring text, jint newCursorPosition);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeGenerateScancodeForUnichar)(
JNIEnv* env, jclass cls,
jchar chUnicode);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeSetComposingText)(
JNIEnv* env, jclass cls,
jstring text, jint newCursorPosition);
/* Java class SDLAudioManager */
JNIEXPORT void JNICALL SDL_JAVA_AUDIO_INTERFACE(nativeSetupJNI)(
JNIEnv *env, jclass jcls);
/* Java class SDLControllerManager */
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeSetupJNI)(
JNIEnv *env, jclass jcls);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativePadDown)(
JNIEnv* env, jclass jcls,
jint device_id, jint keycode);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativePadUp)(
JNIEnv* env, jclass jcls,
jint device_id, jint keycode);
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeJoy)(
JNIEnv* env, jclass jcls,
jint device_id, jint axis, jfloat value);
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeHat)(
JNIEnv* env, jclass jcls,
jint device_id, jint hat_id, jint x, jint y);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddJoystick)(
JNIEnv* env, jclass jcls,
jint device_id, jstring device_name, jstring device_desc, jint vendor_id, jint product_id,
jboolean is_accelerometer, jint button_mask, jint naxes, jint nhats, jint nballs);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveJoystick)(
JNIEnv* env, jclass jcls,
jint device_id);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddHaptic)(
JNIEnv* env, jclass jcls,
jint device_id, jstring device_name);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveHaptic)(
JNIEnv* env, jclass jcls,
jint device_id);
/* Uncomment this to log messages entering and exiting methods in this file */
/* #define DEBUG_JNI */
static void Android_JNI_ThreadDestroyed(void*);
static void checkJNIReady(void);
/*******************************************************************************
This file links the Java side of Android with libsdl
*******************************************************************************/
#include <jni.h>
/*******************************************************************************
Globals
*******************************************************************************/
static pthread_key_t mThreadKey;
static JavaVM* mJavaVM;
/* Main activity */
static jclass mActivityClass;
/* method signatures */
static jmethodID midGetNativeSurface;
static jmethodID midSetActivityTitle;
static jmethodID midSetWindowStyle;
static jmethodID midSetOrientation;
static jmethodID midGetContext;
static jmethodID midIsTablet;
static jmethodID midIsAndroidTV;
static jmethodID midIsChromebook;
static jmethodID midIsDeXMode;
static jmethodID midManualBackButton;
static jmethodID midInputGetInputDeviceIds;
static jmethodID midSendMessage;
static jmethodID midShowTextInput;
static jmethodID midIsScreenKeyboardShown;
static jmethodID midClipboardSetText;
static jmethodID midClipboardGetText;
static jmethodID midClipboardHasText;
static jmethodID midOpenAPKExpansionInputStream;
static jmethodID midGetManifestEnvironmentVariables;
static jmethodID midGetDisplayDPI;
static jmethodID midCreateCustomCursor;
static jmethodID midSetCustomCursor;
static jmethodID midSetSystemCursor;
static jmethodID midSupportsRelativeMouse;
static jmethodID midSetRelativeMouseEnabled;
/* audio manager */
static jclass mAudioManagerClass;
/* method signatures */
static jmethodID midAudioOpen;
static jmethodID midAudioWriteByteBuffer;
static jmethodID midAudioWriteShortBuffer;
static jmethodID midAudioWriteFloatBuffer;
static jmethodID midAudioClose;
static jmethodID midCaptureOpen;
static jmethodID midCaptureReadByteBuffer;
static jmethodID midCaptureReadShortBuffer;
static jmethodID midCaptureReadFloatBuffer;
static jmethodID midCaptureClose;
/* controller manager */
static jclass mControllerManagerClass;
/* method signatures */
static jmethodID midPollInputDevices;
static jmethodID midPollHapticDevices;
static jmethodID midHapticRun;
static jmethodID midHapticStop;
/* static fields */
static jfieldID fidSeparateMouseAndTouch;
/* Accelerometer data storage */
static float fLastAccelerometer[3];
static SDL_bool bHasNewData;
static SDL_bool bHasEnvironmentVariables = SDL_FALSE;
/*******************************************************************************
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;
}
void checkJNIReady()
{
if (!mActivityClass || !mAudioManagerClass || !mControllerManagerClass) {
/* We aren't fully initialized, let's just return. */
return;
}
SDL_SetMainReady();
}
/* Activity initialization -- called before SDL_main() to initialize JNI bindings */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetupJNI)(JNIEnv* mEnv, jclass cls)
{
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativeSetupJNI()");
Android_JNI_SetupThread();
mActivityClass = (jclass)((*mEnv)->NewGlobalRef(mEnv, cls));
midGetNativeSurface = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"getNativeSurface","()Landroid/view/Surface;");
midSetActivityTitle = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"setActivityTitle","(Ljava/lang/String;)Z");
midSetWindowStyle = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"setWindowStyle","(Z)V");
midSetOrientation = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"setOrientation","(IIZLjava/lang/String;)V");
midGetContext = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"getContext","()Landroid/content/Context;");
midIsTablet = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isTablet", "()Z");
midIsAndroidTV = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isAndroidTV","()Z");
midIsChromebook = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isChromebook", "()Z");
midIsDeXMode = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isDeXMode", "()Z");
midManualBackButton = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"manualBackButton", "()V");
midInputGetInputDeviceIds = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"inputGetInputDeviceIds", "(I)[I");
midSendMessage = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"sendMessage", "(II)Z");
midShowTextInput = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"showTextInput", "(IIII)Z");
midIsScreenKeyboardShown = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isScreenKeyboardShown","()Z");
midClipboardSetText = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"clipboardSetText", "(Ljava/lang/String;)V");
midClipboardGetText = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"clipboardGetText", "()Ljava/lang/String;");
midClipboardHasText = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"clipboardHasText", "()Z");
midOpenAPKExpansionInputStream = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"openAPKExpansionInputStream", "(Ljava/lang/String;)Ljava/io/InputStream;");
midGetManifestEnvironmentVariables = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"getManifestEnvironmentVariables", "()Z");
midGetDisplayDPI = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "getDisplayDPI", "()Landroid/util/DisplayMetrics;");
midCreateCustomCursor = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "createCustomCursor", "([IIIII)I");
midSetCustomCursor = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "setCustomCursor", "(I)Z");
midSetSystemCursor = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "setSystemCursor", "(I)Z");
midSupportsRelativeMouse = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "supportsRelativeMouse", "()Z");
midSetRelativeMouseEnabled = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "setRelativeMouseEnabled", "(Z)Z");
if (!midGetNativeSurface ||
!midSetActivityTitle || !midSetWindowStyle || !midSetOrientation || !midGetContext || !midIsTablet || !midIsAndroidTV || !midInputGetInputDeviceIds ||
!midSendMessage || !midShowTextInput || !midIsScreenKeyboardShown ||
!midClipboardSetText || !midClipboardGetText || !midClipboardHasText ||
!midOpenAPKExpansionInputStream || !midGetManifestEnvironmentVariables || !midGetDisplayDPI ||
!midCreateCustomCursor || !midSetCustomCursor || !midSetSystemCursor || !midSupportsRelativeMouse || !midSetRelativeMouseEnabled ||
!midIsChromebook || !midIsDeXMode || !midManualBackButton) {
__android_log_print(ANDROID_LOG_WARN, "SDL", "Missing some Java callbacks, do you have the latest version of SDLActivity.java?");
}
fidSeparateMouseAndTouch = (*mEnv)->GetStaticFieldID(mEnv, mActivityClass, "mSeparateMouseAndTouch", "Z");
if (!fidSeparateMouseAndTouch) {
__android_log_print(ANDROID_LOG_WARN, "SDL", "Missing some Java static fields, do you have the latest version of SDLActivity.java?");
}
checkJNIReady();
}
/* Audio initialization -- called before SDL_main() to initialize JNI bindings */
JNIEXPORT void JNICALL SDL_JAVA_AUDIO_INTERFACE(nativeSetupJNI)(JNIEnv* mEnv, jclass cls)
{
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "AUDIO nativeSetupJNI()");
Android_JNI_SetupThread();
mAudioManagerClass = (jclass)((*mEnv)->NewGlobalRef(mEnv, cls));
midAudioOpen = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioOpen", "(IIII)[I");
midAudioWriteByteBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioWriteByteBuffer", "([B)V");
midAudioWriteShortBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioWriteShortBuffer", "([S)V");
midAudioWriteFloatBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioWriteFloatBuffer", "([F)V");
midAudioClose = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioClose", "()V");
midCaptureOpen = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"captureOpen", "(IIII)[I");
midCaptureReadByteBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"captureReadByteBuffer", "([BZ)I");
midCaptureReadShortBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"captureReadShortBuffer", "([SZ)I");
midCaptureReadFloatBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"captureReadFloatBuffer", "([FZ)I");
midCaptureClose = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"captureClose", "()V");
if (!midAudioOpen || !midAudioWriteByteBuffer || !midAudioWriteShortBuffer || !midAudioWriteFloatBuffer || !midAudioClose ||
!midCaptureOpen || !midCaptureReadByteBuffer || !midCaptureReadShortBuffer || !midCaptureReadFloatBuffer || !midCaptureClose) {
__android_log_print(ANDROID_LOG_WARN, "SDL", "Missing some Java callbacks, do you have the latest version of SDLAudioManager.java?");
}
checkJNIReady();
}
/* Controller initialization -- called before SDL_main() to initialize JNI bindings */
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeSetupJNI)(JNIEnv* mEnv, jclass cls)
{
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "CONTROLLER nativeSetupJNI()");
Android_JNI_SetupThread();
mControllerManagerClass = (jclass)((*mEnv)->NewGlobalRef(mEnv, cls));
midPollInputDevices = (*mEnv)->GetStaticMethodID(mEnv, mControllerManagerClass,
"pollInputDevices", "()V");
midPollHapticDevices = (*mEnv)->GetStaticMethodID(mEnv, mControllerManagerClass,
"pollHapticDevices", "()V");
midHapticRun = (*mEnv)->GetStaticMethodID(mEnv, mControllerManagerClass,
"hapticRun", "(IFI)V");
midHapticStop = (*mEnv)->GetStaticMethodID(mEnv, mControllerManagerClass,
"hapticStop", "(I)V");
if (!midPollInputDevices || !midPollHapticDevices || !midHapticRun || !midHapticStop) {
__android_log_print(ANDROID_LOG_WARN, "SDL", "Missing some Java callbacks, do you have the latest version of SDLControllerManager.java?");
}
checkJNIReady();
}
/* SDL main function prototype */
typedef int (*SDL_main_func)(int argc, char *argv[]);
/* Start up the SDL app */
JNIEXPORT int JNICALL SDL_JAVA_INTERFACE(nativeRunMain)(JNIEnv* env, jclass cls, jstring library, jstring function, jobject array)
{
int status = -1;
const char *library_file;
void *library_handle;
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativeRunMain()");
library_file = (*env)->GetStringUTFChars(env, library, NULL);
library_handle = dlopen(library_file, RTLD_GLOBAL);
if (library_handle) {
const char *function_name;
SDL_main_func SDL_main;
function_name = (*env)->GetStringUTFChars(env, function, NULL);
SDL_main = (SDL_main_func)dlsym(library_handle, function_name);
if (SDL_main) {
int i;
int argc;
int len;
char **argv;
SDL_bool isstack;
/* Prepare the arguments. */
len = (*env)->GetArrayLength(env, array);
argv = SDL_small_alloc(char*, 1 + len + 1, &isstack); /* !!! FIXME: check for NULL */
argc = 0;
/* Use the name "app_process" so PHYSFS_platformCalcBaseDir() works.
https://bitbucket.org/MartinFelis/love-android-sdl2/issue/23/release-build-crash-on-start
*/
argv[argc++] = SDL_strdup("app_process");
for (i = 0; i < len; ++i) {
const char* utf;
char* arg = NULL;
jstring string = (*env)->GetObjectArrayElement(env, array, i);
if (string) {
utf = (*env)->GetStringUTFChars(env, string, 0);
if (utf) {
arg = SDL_strdup(utf);
(*env)->ReleaseStringUTFChars(env, string, utf);
}
(*env)->DeleteLocalRef(env, string);
}
if (!arg) {
arg = SDL_strdup("");
}
argv[argc++] = arg;
}
argv[argc] = NULL;
/* Run the application. */
status = SDL_main(argc, argv);
/* Release the arguments. */
for (i = 0; i < argc; ++i) {
SDL_free(argv[i]);
}
SDL_small_free(argv, isstack);
} else {
__android_log_print(ANDROID_LOG_ERROR, "SDL", "nativeRunMain(): Couldn't find function %s in library %s", function_name, library_file);
}
(*env)->ReleaseStringUTFChars(env, function, function_name);
dlclose(library_handle);
} else {
__android_log_print(ANDROID_LOG_ERROR, "SDL", "nativeRunMain(): Couldn't load library %s", library_file);
}
(*env)->ReleaseStringUTFChars(env, library, library_file);
/* Do not issue an exit or the whole application will terminate instead of just the SDL thread */
/* exit(status); */
return status;
}
/* Drop file */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(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 SDL_JAVA_INTERFACE(onNativeResize)(
JNIEnv* env, jclass jcls,
jint surfaceWidth, jint surfaceHeight,
jint deviceWidth, jint deviceHeight, jint format, jfloat rate)
{
Android_SetScreenResolution(surfaceWidth, surfaceHeight, deviceWidth, deviceHeight, format, rate);
}
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeOrientationChanged)(
JNIEnv *env, jclass jcls,
jint orientation)
{
SDL_VideoDisplay *display = SDL_GetDisplay(0);
SDL_SendDisplayEvent(display, SDL_DISPLAYEVENT_ORIENTATION, orientation);
}
/* Paddown */
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativePadDown)(
JNIEnv* env, jclass jcls,
jint device_id, jint keycode)
{
return Android_OnPadDown(device_id, keycode);
}
/* Padup */
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativePadUp)(
JNIEnv* env, jclass jcls,
jint device_id, jint keycode)
{
return Android_OnPadUp(device_id, keycode);
}
/* Joy */
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeJoy)(
JNIEnv* env, jclass jcls,
jint device_id, jint axis, jfloat value)
{
Android_OnJoy(device_id, axis, value);
}
/* POV Hat */
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(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 SDL_JAVA_CONTROLLER_INTERFACE(nativeAddJoystick)(
JNIEnv* env, jclass jcls,
jint device_id, jstring device_name, jstring device_desc,
jint vendor_id, jint product_id, jboolean is_accelerometer,
jint button_mask, jint naxes, jint nhats, jint nballs)
{
int retval;
const char *name = (*env)->GetStringUTFChars(env, device_name, NULL);
const char *desc = (*env)->GetStringUTFChars(env, device_desc, NULL);
retval = Android_AddJoystick(device_id, name, desc, vendor_id, product_id, is_accelerometer ? SDL_TRUE : SDL_FALSE, button_mask, naxes, nhats, nballs);
(*env)->ReleaseStringUTFChars(env, device_name, name);
(*env)->ReleaseStringUTFChars(env, device_desc, desc);
return retval;
}
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveJoystick)(
JNIEnv* env, jclass jcls,
jint device_id)
{
return Android_RemoveJoystick(device_id);
}
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddHaptic)(
JNIEnv* env, jclass jcls, jint device_id, jstring device_name)
{
int retval;
const char *name = (*env)->GetStringUTFChars(env, device_name, NULL);
retval = Android_AddHaptic(device_id, name);
(*env)->ReleaseStringUTFChars(env, device_name, name);
return retval;
}
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveHaptic)(
JNIEnv* env, jclass jcls, jint device_id)
{
return Android_RemoveHaptic(device_id);
}
/* Surface Created */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(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 SDL_JAVA_INTERFACE(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 SDL_JAVA_INTERFACE(onNativeKeyDown)(
JNIEnv* env, jclass jcls,
jint keycode)
{
Android_OnKeyDown(keycode);
}
/* Keyup */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyUp)(
JNIEnv* env, jclass jcls,
jint keycode)
{
Android_OnKeyUp(keycode);
}
/* Keyboard Focus Lost */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(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 SDL_JAVA_INTERFACE(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 SDL_JAVA_INTERFACE(onNativeMouse)(
JNIEnv* env, jclass jcls,
jint button, jint action, jfloat x, jfloat y, jboolean relative)
{
Android_OnMouse(button, action, x, y, relative);
}
/* Accelerometer */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeAccel)(
JNIEnv* env, jclass jcls,
jfloat x, jfloat y, jfloat z)
{
fLastAccelerometer[0] = x;
fLastAccelerometer[1] = y;
fLastAccelerometer[2] = z;
bHasNewData = SDL_TRUE;
}
/* Clipboard */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeClipboardChanged)(
JNIEnv* env, jclass jcls)
{
SDL_SendClipboardUpdate();
}
/* Low memory */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeLowMemory)(
JNIEnv* env, jclass cls)
{
SDL_SendAppEvent(SDL_APP_LOWMEMORY);
}
/* Quit */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(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 SDL_JAVA_INTERFACE(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 SDL_JAVA_INTERFACE(nativeResume)(
JNIEnv* env, jclass cls)
{
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativeResume()");
if (Android_Window) {
/* Make sure SW Keyboard is restored when an app becomes foreground */
if (SDL_IsTextInputActive()) {
SDL_VideoDevice *_this = SDL_GetVideoDevice();
Android_StartTextInput(_this); /* Only showTextInput */
}
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 SDL_JAVA_INTERFACE_INPUT_CONNECTION(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 SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeGenerateScancodeForUnichar)(
JNIEnv* env, jclass cls,
jchar chUnicode)
{
SDL_Scancode code = SDL_SCANCODE_UNKNOWN;
uint16_t mod = 0;
/* We do not care about bigger than 127. */
if (chUnicode < 127) {
AndroidKeyInfo info = unicharToAndroidKeyInfoTable[chUnicode];
code = info.code;
mod = info.mod;
}
if (mod & KMOD_SHIFT) {
/* If character uses shift, press shift down */
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LSHIFT);
}
/* send a keydown and keyup even for the character */
SDL_SendKeyboardKey(SDL_PRESSED, code);
SDL_SendKeyboardKey(SDL_RELEASED, code);
if (mod & KMOD_SHIFT) {
/* If character uses shift, press shift back up */
SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
}
}
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(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 SDL_JAVA_INTERFACE(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;
}
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetenv)(
JNIEnv* env, jclass cls,
jstring name, jstring value)
{
const char *utfname = (*env)->GetStringUTFChars(env, name, NULL);
const char *utfvalue = (*env)->GetStringUTFChars(env, value, NULL);
SDL_setenv(utfname, utfvalue, 1);
(*env)->ReleaseStringUTFChars(env, name, utfname);
(*env)->ReleaseStringUTFChars(env, value, utfvalue);
}
/*******************************************************************************
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;
}
}
ANativeWindow* Android_JNI_GetNativeWindow(void)
{
ANativeWindow *anw = NULL;
jobject s;
JNIEnv *env = Android_JNI_GetEnv();
s = (*env)->CallStaticObjectMethod(env, mActivityClass, midGetNativeSurface);
if (s) {
anw = ANativeWindow_fromSurface(env, s);
(*env)->DeleteLocalRef(env, s);
}
return anw;
}
void Android_JNI_SetActivityTitle(const char *title)
{
JNIEnv *mEnv = Android_JNI_GetEnv();
jstring jtitle = (jstring)((*mEnv)->NewStringUTF(mEnv, title));
(*mEnv)->CallStaticBooleanMethod(mEnv, mActivityClass, midSetActivityTitle, jtitle);
(*mEnv)->DeleteLocalRef(mEnv, jtitle);
}
void Android_JNI_SetWindowStyle(SDL_bool fullscreen)
{
JNIEnv *mEnv = Android_JNI_GetEnv();
(*mEnv)->CallStaticVoidMethod(mEnv, mActivityClass, midSetWindowStyle, fullscreen ? 1 : 0);
}
void Android_JNI_SetOrientation(int w, int h, int resizable, const char *hint)
{
JNIEnv *mEnv = Android_JNI_GetEnv();
jstring jhint = (jstring)((*mEnv)->NewStringUTF(mEnv, (hint ? hint : "")));
(*mEnv)->CallStaticVoidMethod(mEnv, mActivityClass, midSetOrientation, w, h, (resizable? 1 : 0), jhint);
(*mEnv)->DeleteLocalRef(mEnv, jhint);
}
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;