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_UIKIT
24
25#include "SDL_uikitvideo.h"
26#include "../../events/SDL_clipboardevents_c.h"
27
28#import <UIKit/UIPasteboard.h>
29
30int
31UIKit_SetClipboardText(_THIS, const char *text)
32{
33#if TARGET_OS_TV
34    return SDL_SetError("The clipboard is not available on tvOS");
35#else
36    @autoreleasepool {
37        [UIPasteboard generalPasteboard].string = @(text);
38        return 0;
39    }
40#endif
41}
42
43char *
44UIKit_GetClipboardText(_THIS)
45{
46#if TARGET_OS_TV
47    return SDL_strdup(""); // Unsupported.
48#else
49    @autoreleasepool {
50        UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
51        NSString *string = pasteboard.string;
52
53        if (string != nil) {
54            return SDL_strdup(string.UTF8String);
55        } else {
56            return SDL_strdup("");
57        }
58    }
59#endif
60}
61
62SDL_bool
63UIKit_HasClipboardText(_THIS)
64{
65    @autoreleasepool {
66#if !TARGET_OS_TV
67        if ([UIPasteboard generalPasteboard].string != nil) {
68            return SDL_TRUE;
69        }
70#endif
71        return SDL_FALSE;
72    }
73}
74
75void
76UIKit_InitClipboard(_THIS)
77{
78#if !TARGET_OS_TV
79    @autoreleasepool {
80        SDL_VideoData *data = (__bridge SDL_VideoData *) _this->driverdata;
81        NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
82
83        id observer = [center addObserverForName:UIPasteboardChangedNotification
84                                         object:nil
85                                          queue:nil
86                                     usingBlock:^(NSNotification *note) {
87                                         SDL_SendClipboardUpdate();
88                                     }];
89
90        data.pasteboardObserver = observer;
91    }
92#endif
93}
94
95void
96UIKit_QuitClipboard(_THIS)
97{
98    @autoreleasepool {
99        SDL_VideoData *data = (__bridge SDL_VideoData *) _this->driverdata;
100
101        if (data.pasteboardObserver != nil) {
102            [[NSNotificationCenter defaultCenter] removeObserver:data.pasteboardObserver];
103        }
104
105        data.pasteboardObserver = nil;
106    }
107}
108
109#endif /* SDL_VIDEO_DRIVER_UIKIT */
110
111/* vi: set ts=4 sw=4 expandtab: */
112