/*

Simple DirectMedia Layer

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"

#if SDL_VIDEO_DRIVER_ANDROID

#include "SDL_androidevents.h"

#include "SDL_events.h"

#include "SDL_androidwindow.h"

/* Can't include sysaudio "../../audio/android/SDL_androidaudio.h"

* because of THIS redefinition */

#if !SDL_AUDIO_DISABLED && SDL_AUDIO_DRIVER_ANDROID

extern void ANDROIDAUDIO_ResumeDevices(void);

extern void ANDROIDAUDIO_PauseDevices(void);

#else

static void ANDROIDAUDIO_ResumeDevices(void) {}

static void ANDROIDAUDIO_PauseDevices(void) {}

#endif

#if !SDL_AUDIO_DISABLED && SDL_AUDIO_DRIVER_OPENSLES

extern void openslES_ResumeDevices(void);

extern void openslES_PauseDevices(void);

#else

static void openslES_ResumeDevices(void) {}

static void openslES_PauseDevices(void) {}

#endif

{

return SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, type, type);

}

static void

android_egl_context_restore(SDL_Window *window)

if (window) {

SDL_Event event;

SDL_WindowData *data = (SDL_WindowData *) window->driverdata;

if (SDL_GL_MakeCurrent(window, (SDL_GLContext) data->egl_context) < 0) {

/* The context is no longer valid, create a new one */

data->egl_context = (EGLContext) SDL_GL_CreateContext(window);

SDL_GL_MakeCurrent(window, (SDL_GLContext) data->egl_context);

event.type = SDL_RENDER_DEVICE_RESET;

SDL_PushEvent(&event);

}

}

}

static void

android_egl_context_backup(SDL_Window *window)

if (window) {

/* Keep a copy of the EGL Context so we can try to restore it when we resume */

SDL_WindowData *data = (SDL_WindowData *) window->driverdata;

data->egl_context = SDL_GL_GetCurrentContext();

/* We need to do this so the EGLSurface can be freed */

SDL_GL_MakeCurrent(window, NULL);

}

}

/*

* Android_ResumeSem and Android_PauseSem are signaled from Java_org_libsdl_app_SDLActivity_nativePause and Java_org_libsdl_app_SDLActivity_nativeResume

*

* No polling necessary

*/

/* Restore the GL Context from here, as this operation is thread dependent */

if (!SDL_HasEvent(SDL_QUIT)) {

/* Make sure SW Keyboard is restored when an app becomes foreground */

if (SDL_IsTextInputActive()) {

Android_StartTextInput(_this); /* Only showTextInput */

}

/* We've been signaled to pause (potentially several times), but before we block ourselves,

* we need to make sure that the very last event (of the first pause sequence, if several)

* has reached the app */

videodata->isPausing = 0;

videodata->isPaused = 1;

}

}

}

}

void

if (backup_context) {

SDL_LockMutex(Android_ActivityMutex);

android_egl_context_backup(Android_Window);

SDL_UnlockMutex(Android_ActivityMutex);

ANDROIDAUDIO_PauseDevices();

openslES_PauseDevices();

backup_context = 0;

}

if (SDL_SemTryWait(Android_ResumeSem) == 0) {

ANDROIDAUDIO_ResumeDevices();

/* Restore the GL Context from here, as this operation is thread dependent */

if (!SDL_HasEvent(SDL_QUIT)) {

SDL_LockMutex(Android_ActivityMutex);

android_egl_context_restore(Android_Window);

SDL_UnlockMutex(Android_ActivityMutex);

}

/* Make sure SW Keyboard is restored when an app becomes foreground */

if (SDL_IsTextInputActive()) {

Android_StartTextInput(_this); /* Only showTextInput */

}

}

} else {

if (videodata->isPausing || SDL_SemTryWait(Android_PauseSem) == 0) {

/* We've been signaled to pause (potentially several times), but before we block ourselves,

* we need to make sure that the very last event (of the first pause sequence, if several)

* has reached the app */

if (SDL_NumberOfEvents(SDL_APP_DIDENTERBACKGROUND) > SDL_SemValue(Android_PauseSem)) {

videodata->isPausing = 1;

} else {

videodata->isPausing = 0;

videodata->isPaused = 1;

backup_context = 1;

}

}

}

}

#endif /* SDL_VIDEO_DRIVER_ANDROID */

/* vi: set ts=4 sw=4 expandtab: */