1 /*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2020 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 #include "../../events/SDL_windowevents_c.h"
30 #include "../../core/android/SDL_android.h"
31
32 #include "SDL_androidvideo.h"
33 #include "SDL_androidwindow.h"
34 #include "SDL_hints.h"
35
36 /* Currently only one window */
37 SDL_Window *Android_Window = NULL;
38
39 int
Android_CreateWindow(_THIS,SDL_Window * window)40 Android_CreateWindow(_THIS, SDL_Window * window)
41 {
42 SDL_WindowData *data;
43 int retval = 0;
44
45 Android_ActivityMutex_Lock_Running();
46
47 if (Android_Window) {
48 retval = SDL_SetError("Android only supports one window");
49 goto endfunction;
50 }
51
52 /* Set orientation */
53 Android_JNI_SetOrientation(window->w, window->h, window->flags & SDL_WINDOW_RESIZABLE, SDL_GetHint(SDL_HINT_ORIENTATIONS));
54
55 /* Adjust the window data to match the screen */
56 window->x = 0;
57 window->y = 0;
58 window->w = Android_SurfaceWidth;
59 window->h = Android_SurfaceHeight;
60
61 window->flags &= ~SDL_WINDOW_HIDDEN;
62 window->flags |= SDL_WINDOW_SHOWN; /* only one window on Android */
63
64 /* One window, it always has focus */
65 SDL_SetMouseFocus(window);
66 SDL_SetKeyboardFocus(window);
67
68 data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
69 if (!data) {
70 retval = SDL_OutOfMemory();
71 goto endfunction;
72 }
73
74 data->native_window = Android_JNI_GetNativeWindow();
75
76 if (!data->native_window) {
77 SDL_free(data);
78 retval = SDL_SetError("Could not fetch native window");
79 goto endfunction;
80 }
81
82 /* Do not create EGLSurface for Vulkan window since it will then make the window
83 incompatible with vkCreateAndroidSurfaceKHR */
84 if ((window->flags & SDL_WINDOW_OPENGL) != 0) {
85 data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window);
86
87 if (data->egl_surface == EGL_NO_SURFACE) {
88 ANativeWindow_release(data->native_window);
89 SDL_free(data);
90 retval = -1;
91 goto endfunction;
92 }
93 }
94
95 window->driverdata = data;
96 Android_Window = window;
97
98 endfunction:
99
100 SDL_UnlockMutex(Android_ActivityMutex);
101
102 return retval;
103 }
104
105 void
Android_SetWindowTitle(_THIS,SDL_Window * window)106 Android_SetWindowTitle(_THIS, SDL_Window *window)
107 {
108 Android_JNI_SetActivityTitle(window->title);
109 }
110
111 void
Android_SetWindowFullscreen(_THIS,SDL_Window * window,SDL_VideoDisplay * display,SDL_bool fullscreen)112 Android_SetWindowFullscreen(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
113 {
114 SDL_LockMutex(Android_ActivityMutex);
115
116 if (window == Android_Window) {
117
118 /* If the window is being destroyed don't change visible state */
119 if (!window->is_destroying) {
120 Android_JNI_SetWindowStyle(fullscreen);
121 }
122
123 /* Ensure our size matches reality after we've executed the window style change.
124 *
125 * It is possible that we've set width and height to the full-size display, but on
126 * Samsung DeX or Chromebooks or other windowed Android environemtns, our window may
127 * still not be the full display size.
128 */
129 if (!SDL_IsDeXMode() && !SDL_IsChromebook()) {
130 goto endfunction;
131 }
132
133 SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
134
135 if (!data || !data->native_window) {
136 if (data && !data->native_window) {
137 SDL_SetError("Missing native window");
138 }
139 goto endfunction;
140 }
141
142 int old_w = window->w;
143 int old_h = window->h;
144
145 int new_w = ANativeWindow_getWidth(data->native_window);
146 int new_h = ANativeWindow_getHeight(data->native_window);
147
148 if (new_w < 0 || new_h < 0) {
149 SDL_SetError("ANativeWindow_getWidth/Height() fails");
150 }
151
152 if (old_w != new_w || old_h != new_h) {
153 SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, new_w, new_h);
154 }
155 }
156
157 endfunction:
158
159 SDL_UnlockMutex(Android_ActivityMutex);
160 }
161
162 void
Android_MinimizeWindow(_THIS,SDL_Window * window)163 Android_MinimizeWindow(_THIS, SDL_Window *window)
164 {
165 Android_JNI_MinizeWindow();
166 }
167
168 void
Android_DestroyWindow(_THIS,SDL_Window * window)169 Android_DestroyWindow(_THIS, SDL_Window *window)
170 {
171 SDL_LockMutex(Android_ActivityMutex);
172
173 if (window == Android_Window) {
174 Android_Window = NULL;
175
176 if (window->driverdata) {
177 SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
178 if (data->egl_surface != EGL_NO_SURFACE) {
179 SDL_EGL_DestroySurface(_this, data->egl_surface);
180 }
181 if (data->native_window) {
182 ANativeWindow_release(data->native_window);
183 }
184 SDL_free(window->driverdata);
185 window->driverdata = NULL;
186 }
187 }
188
189 SDL_UnlockMutex(Android_ActivityMutex);
190 }
191
192 SDL_bool
Android_GetWindowWMInfo(_THIS,SDL_Window * window,SDL_SysWMinfo * info)193 Android_GetWindowWMInfo(_THIS, SDL_Window *window, SDL_SysWMinfo *info)
194 {
195 SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
196
197 if (info->version.major == SDL_MAJOR_VERSION &&
198 info->version.minor == SDL_MINOR_VERSION) {
199 info->subsystem = SDL_SYSWM_ANDROID;
200 info->info.android.window = data->native_window;
201 info->info.android.surface = data->egl_surface;
202 return SDL_TRUE;
203 } else {
204 SDL_SetError("Application not compiled with SDL %d.%d",
205 SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
206 return SDL_FALSE;
207 }
208 }
209
210 #endif /* SDL_VIDEO_DRIVER_ANDROID */
211
212 /* vi: set ts=4 sw=4 expandtab: */
213