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SDL_android.c
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/*
Simple DirectMedia Layer
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Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
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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"
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#include "SDL_main.h"
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#ifdef __ANDROID__
#include "SDL_system.h"
#include "SDL_android.h"
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#include "keyinfotable.h"
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#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"
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#include "../../haptic/android/SDL_syshaptic_c.h"
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#include <android/log.h>
#include <pthread.h>
#include <sys/types.h>
#include <unistd.h>
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#include <dlfcn.h>
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/* #define LOG_TAG "SDL_android" */
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/* #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)
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#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)
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#define SDL_JAVA_AUDIO_INTERFACE(function) CONCAT1(SDL_JAVA_PREFIX, SDLAudioManager, function)
#define SDL_JAVA_CONTROLLER_INTERFACE(function) CONCAT1(SDL_JAVA_PREFIX, SDLControllerManager, function)
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#define SDL_JAVA_INTERFACE_INPUT_CONNECTION(function) CONCAT1(SDL_JAVA_PREFIX, SDLInputConnection, function)
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/* Audio encoding definitions */
#define ENCODING_PCM_8BIT 3
#define ENCODING_PCM_16BIT 2
#define ENCODING_PCM_FLOAT 4
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/* Java class SDLActivity */
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetupJNI)(
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JNIEnv *mEnv, jclass cls);
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JNIEXPORT int JNICALL SDL_JAVA_INTERFACE(nativeRunMain)(
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JNIEnv *env, jclass cls,
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jstring library, jstring function, jobject array);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeDropFile)(
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JNIEnv *env, jclass jcls,
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jstring filename);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeResize)(
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JNIEnv *env, jclass jcls,
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jint surfaceWidth, jint surfaceHeight,
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jint deviceWidth, jint deviceHeight, jint format, jfloat rate);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceCreated)(
JNIEnv *env, jclass jcls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceChanged)(
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JNIEnv *env, jclass jcls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceDestroyed)(
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JNIEnv *env, jclass jcls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyDown)(
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JNIEnv *env, jclass jcls,
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jint keycode);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyUp)(
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JNIEnv *env, jclass jcls,
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jint keycode);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyboardFocusLost)(
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JNIEnv *env, jclass jcls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeTouch)(
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JNIEnv *env, jclass jcls,
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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)(
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JNIEnv *env, jclass jcls,
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jint button, jint action, jfloat x, jfloat y, jboolean relative);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeAccel)(
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JNIEnv *env, jclass jcls,
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jfloat x, jfloat y, jfloat z);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeClipboardChanged)(
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JNIEnv *env, jclass jcls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeLowMemory)(
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JNIEnv *env, jclass cls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSendQuit)(
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JNIEnv *env, jclass cls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeQuit)(
JNIEnv *env, jclass cls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativePause)(
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JNIEnv *env, jclass cls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeResume)(
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JNIEnv *env, jclass cls);
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JNIEXPORT jstring JNICALL SDL_JAVA_INTERFACE(nativeGetHint)(
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JNIEnv *env, jclass cls,
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jstring name);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetenv)(
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JNIEnv *env, jclass cls,
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jstring name, jstring value);
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeEnvironmentVariablesSet)(
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JNIEnv *env, jclass cls);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeOrientationChanged)(
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JNIEnv *env, jclass cls,
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jint orientation);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeAddTouch)(
JNIEnv* env, jclass cls,
jint touchId, jstring name);
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/* Java class SDLInputConnection */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeCommitText)(
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JNIEnv *env, jclass cls,
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jstring text, jint newCursorPosition);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeGenerateScancodeForUnichar)(
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JNIEnv *env, jclass cls,
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jchar chUnicode);
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeSetComposingText)(
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JNIEnv *env, jclass cls,
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jstring text, jint newCursorPosition);
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/* 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)(
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JNIEnv *env, jclass jcls,
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jint device_id, jint keycode);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativePadUp)(
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JNIEnv *env, jclass jcls,
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jint device_id, jint keycode);
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeJoy)(
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JNIEnv *env, jclass jcls,
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jint device_id, jint axis, jfloat value);
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeHat)(
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JNIEnv *env, jclass jcls,
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jint device_id, jint hat_id, jint x, jint y);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddJoystick)(
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JNIEnv *env, jclass jcls,
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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);
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JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveJoystick)(
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JNIEnv *env, jclass jcls,
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jint device_id);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddHaptic)(
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JNIEnv *env, jclass jcls,
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jint device_id, jstring device_name);
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveHaptic)(
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JNIEnv *env, jclass jcls,
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jint device_id);
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/* Uncomment this to log messages entering and exiting methods in this file */
/* #define DEBUG_JNI */
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static void Android_JNI_ThreadDestroyed(void *);
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static void checkJNIReady(void);
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/*******************************************************************************
This file links the Java side of Android with libsdl
*******************************************************************************/
#include <jni.h>
/*******************************************************************************
Globals
*******************************************************************************/
static pthread_key_t mThreadKey;
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static JavaVM *mJavaVM;
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/* Main activity */
static jclass mActivityClass;
/* method signatures */
static jmethodID midGetNativeSurface;
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static jmethodID midSetSurfaceViewFormat;
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static jmethodID midSetActivityTitle;
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static jmethodID midSetWindowStyle;
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static jmethodID midSetOrientation;
static jmethodID midGetContext;
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static jmethodID midIsTablet;
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static jmethodID midIsAndroidTV;
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static jmethodID midIsChromebook;
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static jmethodID midIsDeXMode;
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static jmethodID midManualBackButton;
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static jmethodID midInitTouch;
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static jmethodID midSendMessage;
static jmethodID midShowTextInput;
static jmethodID midIsScreenKeyboardShown;
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static jmethodID midClipboardSetText;
static jmethodID midClipboardGetText;
static jmethodID midClipboardHasText;
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static jmethodID midOpenAPKExpansionInputStream;
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static jmethodID midGetManifestEnvironmentVariables;
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static jmethodID midGetDisplayDPI;
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static jmethodID midCreateCustomCursor;
static jmethodID midSetCustomCursor;
static jmethodID midSetSystemCursor;
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static jmethodID midSupportsRelativeMouse;
static jmethodID midSetRelativeMouseEnabled;
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/* audio manager */
static jclass mAudioManagerClass;
/* method signatures */
static jmethodID midAudioOpen;
static jmethodID midAudioWriteByteBuffer;
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static jmethodID midAudioWriteShortBuffer;
static jmethodID midAudioWriteFloatBuffer;
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static jmethodID midAudioClose;
static jmethodID midCaptureOpen;
static jmethodID midCaptureReadByteBuffer;
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static jmethodID midCaptureReadShortBuffer;
static jmethodID midCaptureReadFloatBuffer;
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static jmethodID midCaptureClose;
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static jmethodID midAudioSetThreadPriority;
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/* controller manager */
static jclass mControllerManagerClass;
/* method signatures */
static jmethodID midPollInputDevices;
static jmethodID midPollHapticDevices;
static jmethodID midHapticRun;
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static jmethodID midHapticStop;
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/* static fields */
static jfieldID fidSeparateMouseAndTouch;
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/* Accelerometer data storage */
static float fLastAccelerometer[3];
static SDL_bool bHasNewData;
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static SDL_bool bHasEnvironmentVariables = SDL_FALSE;
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/*******************************************************************************
Functions called by JNI
*******************************************************************************/
/* Library init */
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JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved)
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{
JNIEnv *env;
mJavaVM = vm;
LOGI("JNI_OnLoad called");
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if ((*mJavaVM)->GetEnv(mJavaVM, (void **) &env, JNI_VERSION_1_4) != JNI_OK) {
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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;
}
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void checkJNIReady()
{
if (!mActivityClass || !mAudioManagerClass || !mControllerManagerClass) {
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/* We aren't fully initialized, let's just return. */
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return;
}
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SDL_SetMainReady();
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}
/* Activity initialization -- called before SDL_main() to initialize JNI bindings */
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JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetupJNI)(JNIEnv *mEnv, jclass cls)
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{
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__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativeSetupJNI()");
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/* Use a mutex to prevent concurrency issues between Java Activity and Native thread code, when using 'Android_Window'.
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* (Eg. Java sending Touch events, while native code is destroying the main SDL_Window. )
*/
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if (Android_ActivityMutex == NULL) {
Android_ActivityMutex = SDL_CreateMutex(); /* Could this be created twice if onCreate() is called a second time ? */
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}
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if (Android_ActivityMutex == NULL) {
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "failed to create Android_ActivityMutex mutex");
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}
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Android_JNI_SetupThread();
mActivityClass = (jclass)((*mEnv)->NewGlobalRef(mEnv, cls));
midGetNativeSurface = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"getNativeSurface","()Landroid/view/Surface;");
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midSetSurfaceViewFormat = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"setSurfaceViewFormat","(I)V");
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midSetActivityTitle = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"setActivityTitle","(Ljava/lang/String;)Z");
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midSetWindowStyle = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"setWindowStyle","(Z)V");
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midSetOrientation = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"setOrientation","(IIZLjava/lang/String;)V");
midGetContext = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"getContext","()Landroid/content/Context;");
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midIsTablet = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isTablet", "()Z");
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midIsAndroidTV = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isAndroidTV","()Z");
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midIsChromebook = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isChromebook", "()Z");
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midIsDeXMode = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isDeXMode", "()Z");
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midManualBackButton = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"manualBackButton", "()V");
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midInitTouch = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"initTouch", "()V");
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midSendMessage = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"sendMessage", "(II)Z");
midShowTextInput = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"showTextInput", "(IIII)Z");
midIsScreenKeyboardShown = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isScreenKeyboardShown","()Z");
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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");
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midOpenAPKExpansionInputStream = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"openAPKExpansionInputStream", "(Ljava/lang/String;)Ljava/io/InputStream;");
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midGetManifestEnvironmentVariables = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
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"getManifestEnvironmentVariables", "()Z");
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midGetDisplayDPI = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "getDisplayDPI", "()Landroid/util/DisplayMetrics;");
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midCreateCustomCursor = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "createCustomCursor", "([IIIII)I");
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midSetCustomCursor = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "setCustomCursor", "(I)Z");
midSetSystemCursor = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "setSystemCursor", "(I)Z");
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midSupportsRelativeMouse = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "supportsRelativeMouse", "()Z");
midSetRelativeMouseEnabled = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "setRelativeMouseEnabled", "(Z)Z");
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if (!midGetNativeSurface || !midSetSurfaceViewFormat ||
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!midSetActivityTitle || !midSetWindowStyle || !midSetOrientation || !midGetContext || !midIsTablet || !midIsAndroidTV || !midInitTouch ||
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!midSendMessage || !midShowTextInput || !midIsScreenKeyboardShown ||
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!midClipboardSetText || !midClipboardGetText || !midClipboardHasText ||
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!midOpenAPKExpansionInputStream || !midGetManifestEnvironmentVariables || !midGetDisplayDPI ||
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!midCreateCustomCursor || !midSetCustomCursor || !midSetSystemCursor || !midSupportsRelativeMouse || !midSetRelativeMouseEnabled ||
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!midIsChromebook || !midIsDeXMode || !midManualBackButton) {
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__android_log_print(ANDROID_LOG_WARN, "SDL", "Missing some Java callbacks, do you have the latest version of SDLActivity.java?");
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}
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fidSeparateMouseAndTouch = (*mEnv)->GetStaticFieldID(mEnv, mActivityClass, "mSeparateMouseAndTouch", "Z");
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if (!fidSeparateMouseAndTouch) {
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__android_log_print(ANDROID_LOG_WARN, "SDL", "Missing some Java static fields, do you have the latest version of SDLActivity.java?");
}
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checkJNIReady();
}
/* Audio initialization -- called before SDL_main() to initialize JNI bindings */
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JNIEXPORT void JNICALL SDL_JAVA_AUDIO_INTERFACE(nativeSetupJNI)(JNIEnv *mEnv, jclass cls)
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{
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "AUDIO nativeSetupJNI()");
Android_JNI_SetupThread();
mAudioManagerClass = (jclass)((*mEnv)->NewGlobalRef(mEnv, cls));
midAudioOpen = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
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"audioOpen", "(IIII)[I");
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midAudioWriteByteBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioWriteByteBuffer", "([B)V");
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midAudioWriteShortBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioWriteShortBuffer", "([S)V");
midAudioWriteFloatBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioWriteFloatBuffer", "([F)V");
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midAudioClose = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioClose", "()V");
midCaptureOpen = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
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"captureOpen", "(IIII)[I");
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midCaptureReadByteBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"captureReadByteBuffer", "([BZ)I");
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midCaptureReadShortBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"captureReadShortBuffer", "([SZ)I");
midCaptureReadFloatBuffer = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"captureReadFloatBuffer", "([FZ)I");
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midCaptureClose = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"captureClose", "()V");
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midAudioSetThreadPriority = (*mEnv)->GetStaticMethodID(mEnv, mAudioManagerClass,
"audioSetThreadPriority", "(ZI)V");
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if (!midAudioOpen || !midAudioWriteByteBuffer || !midAudioWriteShortBuffer || !midAudioWriteFloatBuffer || !midAudioClose ||
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!midCaptureOpen || !midCaptureReadByteBuffer || !midCaptureReadShortBuffer || !midCaptureReadFloatBuffer || !midCaptureClose || !midAudioSetThreadPriority) {
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__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 */
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JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeSetupJNI)(JNIEnv *mEnv, jclass cls)
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{
__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,
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"hapticRun", "(IFI)V");
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midHapticStop = (*mEnv)->GetStaticMethodID(mEnv, mControllerManagerClass,
"hapticStop", "(I)V");
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if (!midPollInputDevices || !midPollHapticDevices || !midHapticRun || !midHapticStop) {
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__android_log_print(ANDROID_LOG_WARN, "SDL", "Missing some Java callbacks, do you have the latest version of SDLControllerManager.java?");
}
checkJNIReady();
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}
/* SDL main function prototype */
typedef int (*SDL_main_func)(int argc, char *argv[]);
/* Start up the SDL app */
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JNIEXPORT int JNICALL SDL_JAVA_INTERFACE(nativeRunMain)(JNIEnv *env, jclass cls, jstring library, jstring function, jobject array)
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{
int status = -1;
const char *library_file;
void *library_handle;
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__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativeRunMain()");
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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;
511
SDL_bool isstack;
512
513
514
/* Prepare the arguments. */
len = (*env)->GetArrayLength(env, array);
515
argv = SDL_small_alloc(char *, 1 + len + 1, &isstack); /* !!! FIXME: check for NULL */
516
517
518
519
520
521
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) {
522
523
const char *utf;
char *arg = NULL;
524
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526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
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]);
}
548
SDL_small_free(argv, isstack);
549
550
551
552
553
554
555
556
557
558
} 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);
559
}
560
561
562
563
(*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); */
564
565
return status;
566
567
568
}
/* Drop file */
569
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeDropFile)(
570
JNIEnv *env, jclass jcls,
571
572
573
jstring filename)
{
const char *path = (*env)->GetStringUTFChars(env, filename, NULL);
574
SDL_SendDropFile(NULL, path);
575
(*env)->ReleaseStringUTFChars(env, filename, path);
576
SDL_SendDropComplete(NULL);
577
578
579
}
/* Resize */
580
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeResize)(
581
JNIEnv *env, jclass jcls,
582
jint surfaceWidth, jint surfaceHeight,
583
jint deviceWidth, jint deviceHeight, jint format, jfloat rate)
584
{
585
SDL_LockMutex(Android_ActivityMutex);
586
587
Android_SetScreenResolution(Android_Window, surfaceWidth, surfaceHeight, deviceWidth, deviceHeight, format, rate);
588
589
SDL_UnlockMutex(Android_ActivityMutex);
590
591
}
592
593
594
595
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeOrientationChanged)(
JNIEnv *env, jclass jcls,
jint orientation)
{
596
597
598
599
600
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (_this) {
SDL_VideoDisplay *display = SDL_GetDisplay(0);
SDL_SendDisplayEvent(display, SDL_DISPLAYEVENT_ORIENTATION, orientation);
}
601
602
}
603
604
605
606
607
608
609
610
611
612
613
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeAddTouch)(
JNIEnv* env, jclass cls,
jint touchId, jstring name)
{
const char *utfname = (*env)->GetStringUTFChars(env, name, NULL);
SDL_AddTouch((SDL_TouchID) touchId, SDL_TOUCH_DEVICE_DIRECT, utfname);
(*env)->ReleaseStringUTFChars(env, name, utfname);
}
614
/* Paddown */
615
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativePadDown)(
616
JNIEnv *env, jclass jcls,
617
618
619
620
621
622
jint device_id, jint keycode)
{
return Android_OnPadDown(device_id, keycode);
}
/* Padup */
623
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativePadUp)(
624
JNIEnv *env, jclass jcls,
625
jint device_id, jint keycode)
626
627
628
629
630
{
return Android_OnPadUp(device_id, keycode);
}
/* Joy */
631
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeJoy)(
632
JNIEnv *env, jclass jcls,
633
634
635
636
637
638
jint device_id, jint axis, jfloat value)
{
Android_OnJoy(device_id, axis, value);
}
/* POV Hat */
639
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeHat)(
640
JNIEnv *env, jclass jcls,
641
642
643
644
645
646
jint device_id, jint hat_id, jint x, jint y)
{
Android_OnHat(device_id, hat_id, x, y);
}
647
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddJoystick)(
648
JNIEnv *env, jclass jcls,
649
650
651
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)
652
653
654
{
int retval;
const char *name = (*env)->GetStringUTFChars(env, device_name, NULL);
655
const char *desc = (*env)->GetStringUTFChars(env, device_desc, NULL);
656
657
retval = Android_AddJoystick(device_id, name, desc, vendor_id, product_id, is_accelerometer ? SDL_TRUE : SDL_FALSE, button_mask, naxes, nhats, nballs);
658
659
(*env)->ReleaseStringUTFChars(env, device_name, name);
660
(*env)->ReleaseStringUTFChars(env, device_desc, desc);
661
662
663
664
return retval;
}
665
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveJoystick)(
666
JNIEnv *env, jclass jcls,
667
jint device_id)
668
669
670
671
{
return Android_RemoveJoystick(device_id);
}
672
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddHaptic)(
673
JNIEnv *env, jclass jcls, jint device_id, jstring device_name)
674
675
676
677
678
679
680
681
682
683
684
{
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;
}
685
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveHaptic)(
686
JNIEnv *env, jclass jcls, jint device_id)
687
688
689
690
{
return Android_RemoveHaptic(device_id);
}
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
/* Called from surfaceCreated() */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceCreated)(JNIEnv *env, jclass jcls)
{
SDL_LockMutex(Android_ActivityMutex);
if (Android_Window && Android_Window->driverdata)
{
SDL_WindowData *data = (SDL_WindowData *) Android_Window->driverdata;
data->native_window = Android_JNI_GetNativeWindow();
if (data->native_window == NULL) {
SDL_SetError("Could not fetch native window from UI thread");
}
}
SDL_UnlockMutex(Android_ActivityMutex);
}
708
709
/* Called from surfaceChanged() */
710
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceChanged)(JNIEnv *env, jclass jcls)
711
{
712
SDL_LockMutex(Android_ActivityMutex);
713
714
715
716
717
if (Android_Window && Android_Window->driverdata)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
SDL_WindowData *data = (SDL_WindowData *) Android_Window->driverdata;
718
719
720
721
/* If the surface has been previously destroyed by onNativeSurfaceDestroyed, recreate it here */
if (data->egl_surface == EGL_NO_SURFACE) {
data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window);
722
}
723
724
725
/* GL Context handling is done in the event loop because this function is run from the Java thread */
}
726
727
SDL_UnlockMutex(Android_ActivityMutex);
728
729
}
730
/* Called from surfaceDestroyed() */
731
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceDestroyed)(JNIEnv *env, jclass jcls)
732
{
733
SDL_LockMutex(Android_ActivityMutex);
734
735
736
737
738
if (Android_Window && Android_Window->driverdata)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
SDL_WindowData *data = (SDL_WindowData *) Android_Window->driverdata;
739
740
741
742
743
/* 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
*/
744
745
746
747
748
749
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;
}
750
751
752
753
754
755
if (data->native_window) {
ANativeWindow_release(data->native_window);
}
data->native_window = NULL;
756
/* GL Context handling is done in the event loop because this function is run from the Java thread */
757
}
758
759
SDL_UnlockMutex(Android_ActivityMutex);
760
761
762
}
/* Keydown */
763
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyDown)(
764
JNIEnv *env, jclass jcls,
765
jint keycode)
766
767
768
769
770
{
Android_OnKeyDown(keycode);
}
/* Keyup */
771
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyUp)(
772
JNIEnv *env, jclass jcls,
773
jint keycode)
774
775
776
777
778
{
Android_OnKeyUp(keycode);
}
/* Keyboard Focus Lost */
779
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyboardFocusLost)(
780
JNIEnv *env, jclass jcls)
781
782
783
784
785
786
787
{
/* Calling SDL_StopTextInput will take care of hiding the keyboard and cleaning up the DummyText widget */
SDL_StopTextInput();
}
/* Touch */
788
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeTouch)(
789
JNIEnv *env, jclass jcls,
790
791
792
jint touch_device_id_in, jint pointer_finger_id_in,
jint action, jfloat x, jfloat y, jfloat p)
{
793
SDL_LockMutex(Android_ActivityMutex);
794
795
Android_OnTouch(Android_Window, touch_device_id_in, pointer_finger_id_in, action, x, y, p);
796
797
SDL_UnlockMutex(Android_ActivityMutex);
798
799
800
}
/* Mouse */
801
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeMouse)(
802
JNIEnv *env, jclass jcls,
803
jint button, jint action, jfloat x, jfloat y, jboolean relative)
804
{
805
SDL_LockMutex(Android_ActivityMutex);
806
807
Android_OnMouse(Android_Window, button, action, x, y, relative);
808
809
SDL_UnlockMutex(Android_ActivityMutex);
810
811
812
}
/* Accelerometer */
813
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeAccel)(
814
JNIEnv *env, jclass jcls,
815
816
817
818
819
820
821
822
jfloat x, jfloat y, jfloat z)
{
fLastAccelerometer[0] = x;
fLastAccelerometer[1] = y;
fLastAccelerometer[2] = z;
bHasNewData = SDL_TRUE;
}
823
824
/* Clipboard */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeClipboardChanged)(
825
JNIEnv *env, jclass jcls)
826
827
828
829
{
SDL_SendClipboardUpdate();
}
830
/* Low memory */
831
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeLowMemory)(
832
JNIEnv *env, jclass cls)
833
834
835
836
{
SDL_SendAppEvent(SDL_APP_LOWMEMORY);
}
837
838
/* Send Quit event to "SDLThread" thread */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSendQuit)(
839
JNIEnv *env, jclass cls)
840
841
{
/* Discard previous events. The user should have handled state storage
842
* in SDL_APP_WILLENTERBACKGROUND. After nativeSendQuit() is called, no
843
844
845
846
847
* 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);
848
849
850
851
/* Robustness: clear any pending Pause */
while (SDL_SemTryWait(Android_PauseSem) == 0) {
/* empty */
}
852
853
/* Resume the event loop so that the app can catch SDL_QUIT which
* should now be the top event in the event queue. */
854
SDL_SemPost(Android_ResumeSem);
855
856
}
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
/* Activity ends */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeQuit)(
JNIEnv *env, jclass cls)
{
const char *str;
if (Android_ActivityMutex) {
SDL_DestroyMutex(Android_ActivityMutex);
Android_ActivityMutex = NULL;
}
str = SDL_GetError();
if (str && str[0]) {
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "SDLActivity thread ends (error=%s)", str);
} else {
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "SDLActivity thread ends");
}
}
876
/* Pause */
877
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativePause)(
878
JNIEnv *env, jclass cls)
879
{
880
SDL_LockMutex(Android_ActivityMutex);
881
882
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativePause()");
883
884
885
886
887
888
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);
889
890
/* *After* sending the relevant events, signal the pause semaphore
891
892
893
894
* so the event loop knows to pause and (optionally) block itself.
* Sometimes 2 pauses can be queued (eg pause/resume/pause), so it's
* always increased. */
SDL_SemPost(Android_PauseSem);
895
}
896
897
SDL_UnlockMutex(Android_ActivityMutex);
898
899
900
}
/* Resume */
901
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeResume)(
902
JNIEnv *env, jclass cls)
903
{
904
SDL_LockMutex(Android_ActivityMutex);
905
906
907
908
909
910
911
912
913
914
915
916
__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.
*/
917
SDL_SemPost(Android_ResumeSem);
918
}
919
920
SDL_UnlockMutex(Android_ActivityMutex);
921
922
}
923
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeCommitText)(
924
JNIEnv *env, jclass cls,
925
926
927
928
929
930
931
932
933
jstring text, jint newCursorPosition)
{
const char *utftext = (*env)->GetStringUTFChars(env, text, NULL);
SDL_SendKeyboardText(utftext);
(*env)->ReleaseStringUTFChars(env, text, utftext);
}
934
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeGenerateScancodeForUnichar)(
935
JNIEnv *env, jclass cls,
936
937
938
939
940
jchar chUnicode)
{
SDL_Scancode code = SDL_SCANCODE_UNKNOWN;
uint16_t mod = 0;
941
/* We do not care about bigger than 127. */
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
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);
}
}
964
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeSetComposingText)(
965
JNIEnv *env, jclass cls,
966
967
968
969
970
971
972
973
974
jstring text, jint newCursorPosition)
{
const char *utftext = (*env)->GetStringUTFChars(env, text, NULL);
SDL_SendEditingText(utftext, 0, 0);
(*env)->ReleaseStringUTFChars(env, text, utftext);
}
975
JNIEXPORT jstring JNICALL SDL_JAVA_INTERFACE(nativeGetHint)(
976
JNIEnv *env, jclass cls,
977
978
jstring name)
{
979
980
981
982
983
984
985
986
987
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;
}
988
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetenv)(
989
JNIEnv *env, jclass cls,
990
991
992
993
994
995
996
997
998
999
1000
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);
}