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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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static void Android_JNI_SetEnv(JNIEnv *env);
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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;
514
SDL_bool isstack;
515
516
517
/* Prepare the arguments. */
len = (*env)->GetArrayLength(env, array);
518
argv = SDL_small_alloc(char *, 1 + len + 1, &isstack); /* !!! FIXME: check for NULL */
519
520
521
522
523
524
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) {
525
526
const char *utf;
char *arg = NULL;
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528
529
530
531
532
533
534
535
536
537
538
539
540
541
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546
547
548
549
550
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]);
}
551
SDL_small_free(argv, isstack);
552
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554
555
556
557
558
559
560
561
} 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);
562
}
563
564
(*env)->ReleaseStringUTFChars(env, library, library_file);
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568
/* This is a Java thread, it doesn't need to be Detached from the JVM.
* Set to mThreadKey value to NULL not to call pthread_create destructor 'Android_JNI_ThreadDestroyed' */
Android_JNI_SetEnv(NULL);
569
570
/* Do not issue an exit or the whole application will terminate instead of just the SDL thread */
/* exit(status); */
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572
return status;
573
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575
}
/* Drop file */
576
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeDropFile)(
577
JNIEnv *env, jclass jcls,
578
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580
jstring filename)
{
const char *path = (*env)->GetStringUTFChars(env, filename, NULL);
581
SDL_SendDropFile(NULL, path);
582
(*env)->ReleaseStringUTFChars(env, filename, path);
583
SDL_SendDropComplete(NULL);
584
585
586
}
/* Resize */
587
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeResize)(
588
JNIEnv *env, jclass jcls,
589
jint surfaceWidth, jint surfaceHeight,
590
jint deviceWidth, jint deviceHeight, jint format, jfloat rate)
591
{
592
SDL_LockMutex(Android_ActivityMutex);
593
594
Android_SetScreenResolution(Android_Window, surfaceWidth, surfaceHeight, deviceWidth, deviceHeight, format, rate);
595
596
SDL_UnlockMutex(Android_ActivityMutex);
597
598
}
599
600
601
602
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeOrientationChanged)(
JNIEnv *env, jclass jcls,
jint orientation)
{
603
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605
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607
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (_this) {
SDL_VideoDisplay *display = SDL_GetDisplay(0);
SDL_SendDisplayEvent(display, SDL_DISPLAYEVENT_ORIENTATION, orientation);
}
608
609
}
610
611
612
613
614
615
616
617
618
619
620
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);
}
621
/* Paddown */
622
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativePadDown)(
623
JNIEnv *env, jclass jcls,
624
625
626
627
628
629
jint device_id, jint keycode)
{
return Android_OnPadDown(device_id, keycode);
}
/* Padup */
630
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativePadUp)(
631
JNIEnv *env, jclass jcls,
632
jint device_id, jint keycode)
633
634
635
636
637
{
return Android_OnPadUp(device_id, keycode);
}
/* Joy */
638
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeJoy)(
639
JNIEnv *env, jclass jcls,
640
641
642
643
644
645
jint device_id, jint axis, jfloat value)
{
Android_OnJoy(device_id, axis, value);
}
/* POV Hat */
646
JNIEXPORT void JNICALL SDL_JAVA_CONTROLLER_INTERFACE(onNativeHat)(
647
JNIEnv *env, jclass jcls,
648
649
650
651
652
653
jint device_id, jint hat_id, jint x, jint y)
{
Android_OnHat(device_id, hat_id, x, y);
}
654
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddJoystick)(
655
JNIEnv *env, jclass jcls,
656
657
658
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)
659
660
661
{
int retval;
const char *name = (*env)->GetStringUTFChars(env, device_name, NULL);
662
const char *desc = (*env)->GetStringUTFChars(env, device_desc, NULL);
663
664
retval = Android_AddJoystick(device_id, name, desc, vendor_id, product_id, is_accelerometer ? SDL_TRUE : SDL_FALSE, button_mask, naxes, nhats, nballs);
665
666
(*env)->ReleaseStringUTFChars(env, device_name, name);
667
(*env)->ReleaseStringUTFChars(env, device_desc, desc);
668
669
670
671
return retval;
}
672
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveJoystick)(
673
JNIEnv *env, jclass jcls,
674
jint device_id)
675
676
677
678
{
return Android_RemoveJoystick(device_id);
}
679
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeAddHaptic)(
680
JNIEnv *env, jclass jcls, jint device_id, jstring device_name)
681
682
683
684
685
686
687
688
689
690
691
{
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;
}
692
JNIEXPORT jint JNICALL SDL_JAVA_CONTROLLER_INTERFACE(nativeRemoveHaptic)(
693
JNIEnv *env, jclass jcls, jint device_id)
694
695
696
697
{
return Android_RemoveHaptic(device_id);
}
698
699
700
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702
703
704
705
706
707
708
709
710
711
712
713
714
/* 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);
}
715
716
/* Called from surfaceChanged() */
717
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceChanged)(JNIEnv *env, jclass jcls)
718
{
719
SDL_LockMutex(Android_ActivityMutex);
720
721
722
723
724
if (Android_Window && Android_Window->driverdata)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
SDL_WindowData *data = (SDL_WindowData *) Android_Window->driverdata;
725
726
727
728
/* 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);
729
}
730
731
732
/* GL Context handling is done in the event loop because this function is run from the Java thread */
}
733
734
SDL_UnlockMutex(Android_ActivityMutex);
735
736
}
737
/* Called from surfaceDestroyed() */
738
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeSurfaceDestroyed)(JNIEnv *env, jclass jcls)
739
{
740
SDL_LockMutex(Android_ActivityMutex);
741
742
743
744
745
if (Android_Window && Android_Window->driverdata)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
SDL_WindowData *data = (SDL_WindowData *) Android_Window->driverdata;
746
747
748
749
750
/* 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
*/
751
752
753
754
755
756
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;
}
757
758
759
760
761
762
if (data->native_window) {
ANativeWindow_release(data->native_window);
}
data->native_window = NULL;
763
/* GL Context handling is done in the event loop because this function is run from the Java thread */
764
}
765
766
SDL_UnlockMutex(Android_ActivityMutex);
767
768
769
}
/* Keydown */
770
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyDown)(
771
JNIEnv *env, jclass jcls,
772
jint keycode)
773
774
775
776
777
{
Android_OnKeyDown(keycode);
}
/* Keyup */
778
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyUp)(
779
JNIEnv *env, jclass jcls,
780
jint keycode)
781
782
783
784
785
{
Android_OnKeyUp(keycode);
}
/* Keyboard Focus Lost */
786
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeKeyboardFocusLost)(
787
JNIEnv *env, jclass jcls)
788
789
790
791
792
793
794
{
/* Calling SDL_StopTextInput will take care of hiding the keyboard and cleaning up the DummyText widget */
SDL_StopTextInput();
}
/* Touch */
795
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeTouch)(
796
JNIEnv *env, jclass jcls,
797
798
799
jint touch_device_id_in, jint pointer_finger_id_in,
jint action, jfloat x, jfloat y, jfloat p)
{
800
SDL_LockMutex(Android_ActivityMutex);
801
802
Android_OnTouch(Android_Window, touch_device_id_in, pointer_finger_id_in, action, x, y, p);
803
804
SDL_UnlockMutex(Android_ActivityMutex);
805
806
807
}
/* Mouse */
808
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeMouse)(
809
JNIEnv *env, jclass jcls,
810
jint button, jint action, jfloat x, jfloat y, jboolean relative)
811
{
812
SDL_LockMutex(Android_ActivityMutex);
813
814
Android_OnMouse(Android_Window, button, action, x, y, relative);
815
816
SDL_UnlockMutex(Android_ActivityMutex);
817
818
819
}
/* Accelerometer */
820
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeAccel)(
821
JNIEnv *env, jclass jcls,
822
823
824
825
826
827
828
829
jfloat x, jfloat y, jfloat z)
{
fLastAccelerometer[0] = x;
fLastAccelerometer[1] = y;
fLastAccelerometer[2] = z;
bHasNewData = SDL_TRUE;
}
830
831
/* Clipboard */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(onNativeClipboardChanged)(
832
JNIEnv *env, jclass jcls)
833
834
835
836
{
SDL_SendClipboardUpdate();
}
837
/* Low memory */
838
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeLowMemory)(
839
JNIEnv *env, jclass cls)
840
841
842
843
{
SDL_SendAppEvent(SDL_APP_LOWMEMORY);
}
844
845
/* Send Quit event to "SDLThread" thread */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSendQuit)(
846
JNIEnv *env, jclass cls)
847
848
{
/* Discard previous events. The user should have handled state storage
849
* in SDL_APP_WILLENTERBACKGROUND. After nativeSendQuit() is called, no
850
851
852
853
854
* 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);
855
856
857
858
/* Robustness: clear any pending Pause */
while (SDL_SemTryWait(Android_PauseSem) == 0) {
/* empty */
}
859
860
/* Resume the event loop so that the app can catch SDL_QUIT which
* should now be the top event in the event queue. */
861
SDL_SemPost(Android_ResumeSem);
862
863
}
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
/* 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");
}
}
883
/* Pause */
884
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativePause)(
885
JNIEnv *env, jclass cls)
886
{
887
SDL_LockMutex(Android_ActivityMutex);
888
889
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativePause()");
890
891
892
893
894
895
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);
896
897
/* *After* sending the relevant events, signal the pause semaphore
898
899
900
901
* 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);
902
}
903
904
SDL_UnlockMutex(Android_ActivityMutex);
905
906
907
}
/* Resume */
908
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeResume)(
909
JNIEnv *env, jclass cls)
910
{
911
SDL_LockMutex(Android_ActivityMutex);
912
913
914
915
916
917
918
919
920
921
922
923
__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.
*/
924
SDL_SemPost(Android_ResumeSem);
925
}
926
927
SDL_UnlockMutex(Android_ActivityMutex);
928
929
}
930
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeCommitText)(
931
JNIEnv *env, jclass cls,
932
933
934
935
936
937
938
939
940
jstring text, jint newCursorPosition)
{
const char *utftext = (*env)->GetStringUTFChars(env, text, NULL);
SDL_SendKeyboardText(utftext);
(*env)->ReleaseStringUTFChars(env, text, utftext);
}
941
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeGenerateScancodeForUnichar)(
942
JNIEnv *env, jclass cls,
943
944
945
946
947
jchar chUnicode)
{
SDL_Scancode code = SDL_SCANCODE_UNKNOWN;
uint16_t mod = 0;
948
/* We do not care about bigger than 127. */
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
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);
}
}
971
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeSetComposingText)(
972
JNIEnv *env, jclass cls,
973
974
975
976
977
978
979
980
981
jstring text, jint newCursorPosition)
{
const char *utftext = (*env)->GetStringUTFChars(env, text, NULL);
SDL_SendEditingText(utftext, 0, 0);
(*env)->ReleaseStringUTFChars(env, text, utftext);
}
982
JNIEXPORT jstring JNICALL SDL_JAVA_INTERFACE(nativeGetHint)(
983
JNIEnv *env, jclass cls,
984
985
jstring name)
{
986
987
988
989
990
991
992
993
994
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;
}
995
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetenv)(
996
JNIEnv *env, jclass cls,
997
998
999
1000
jstring name, jstring value)
{
const char *utfname = (*env)->GetStringUTFChars(env, name, NULL);
const char *utfvalue = (*env)->GetStringUTFChars(env, value, NULL);