src/video/android/SDL_androidwindow.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 26 May 2015 06:27:46 -0700
changeset 9619 b94b6d0bff0f
parent 8803 ace0e63268f3
child 9998 f67cf37e9cd4
permissions -rw-r--r--
Updated the copyright year to 2015
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2015 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 #include "../../SDL_internal.h"
    22 
    23 #if SDL_VIDEO_DRIVER_ANDROID
    24 
    25 #include "SDL_syswm.h"
    26 #include "../SDL_sysvideo.h"
    27 #include "../../events/SDL_keyboard_c.h"
    28 #include "../../events/SDL_mouse_c.h"
    29 
    30 #include "SDL_androidvideo.h"
    31 #include "SDL_androidwindow.h"
    32 
    33 int
    34 Android_CreateWindow(_THIS, SDL_Window * window)
    35 {
    36     SDL_WindowData *data;
    37     
    38     if (Android_Window) {
    39         return SDL_SetError("Android only supports one window");
    40     }
    41     
    42     Android_PauseSem = SDL_CreateSemaphore(0);
    43     Android_ResumeSem = SDL_CreateSemaphore(0);
    44 
    45     /* Adjust the window data to match the screen */
    46     window->x = 0;
    47     window->y = 0;
    48     window->w = Android_ScreenWidth;
    49     window->h = Android_ScreenHeight;
    50 
    51     window->flags &= ~SDL_WINDOW_RESIZABLE;     /* window is NEVER resizeable */
    52     window->flags |= SDL_WINDOW_FULLSCREEN;     /* window is always fullscreen */
    53     window->flags &= ~SDL_WINDOW_HIDDEN;
    54     window->flags |= SDL_WINDOW_SHOWN;          /* only one window on Android */
    55     window->flags |= SDL_WINDOW_INPUT_FOCUS;    /* always has input focus */
    56 
    57     /* One window, it always has focus */
    58     SDL_SetMouseFocus(window);
    59     SDL_SetKeyboardFocus(window);
    60     
    61     data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
    62     if (!data) {
    63         return SDL_OutOfMemory();
    64     }
    65     
    66     data->native_window = Android_JNI_GetNativeWindow();
    67     
    68     if (!data->native_window) {
    69         SDL_free(data);
    70         return SDL_SetError("Could not fetch native window");
    71     }
    72     
    73     data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window);
    74 
    75     if (data->egl_surface == EGL_NO_SURFACE) {
    76         ANativeWindow_release(data->native_window);
    77         SDL_free(data);
    78         return SDL_SetError("Could not create GLES window surface");
    79     }
    80 
    81     window->driverdata = data;
    82     Android_Window = window;
    83     
    84     return 0;
    85 }
    86 
    87 void
    88 Android_SetWindowTitle(_THIS, SDL_Window * window)
    89 {
    90     Android_JNI_SetActivityTitle(window->title);
    91 }
    92 
    93 void
    94 Android_DestroyWindow(_THIS, SDL_Window * window)
    95 {
    96     SDL_WindowData *data;
    97     
    98     if (window == Android_Window) {
    99         Android_Window = NULL;
   100         if (Android_PauseSem) SDL_DestroySemaphore(Android_PauseSem);
   101         if (Android_ResumeSem) SDL_DestroySemaphore(Android_ResumeSem);
   102         Android_PauseSem = NULL;
   103         Android_ResumeSem = NULL;
   104         
   105         if(window->driverdata) {
   106             data = (SDL_WindowData *) window->driverdata;
   107             if (data->egl_surface != EGL_NO_SURFACE) {
   108                 SDL_EGL_DestroySurface(_this, data->egl_surface);
   109             }
   110             if (data->native_window) {
   111                 ANativeWindow_release(data->native_window);
   112             }
   113             SDL_free(window->driverdata);
   114             window->driverdata = NULL;
   115         }
   116     }
   117 }
   118 
   119 SDL_bool
   120 Android_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
   121 {
   122     SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
   123 
   124     if (info->version.major == SDL_MAJOR_VERSION &&
   125         info->version.minor == SDL_MINOR_VERSION) {
   126         info->subsystem = SDL_SYSWM_ANDROID;
   127         info->info.android.window = data->native_window;
   128         info->info.android.surface = data->egl_surface;
   129         return SDL_TRUE;
   130     } else {
   131         SDL_SetError("Application not compiled with SDL %d.%d\n",
   132                      SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
   133         return SDL_FALSE;
   134     }
   135 }
   136 
   137 #endif /* SDL_VIDEO_DRIVER_ANDROID */
   138 
   139 /* vi: set ts=4 sw=4 expandtab: */