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1/*
2 * Copyright (C) 2010 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "MockGeolocationProvider.h"
27
28
29@implementation MockGeolocationProvider
30
31+ (MockGeolocationProvider *)shared
32{
33    static MockGeolocationProvider *provider = [[MockGeolocationProvider alloc] init];
34    return provider;
35}
36
37- (void)dealloc
38{
39    ASSERT(_registeredViews.isEmpty());
40
41    [_lastPosition release];
42    [_error release];
43    [super dealloc];
44}
45
46- (void)setPosition:(WebGeolocationPosition *)position
47{
48    if (_lastPosition != position) {
49        [_lastPosition release];
50        _lastPosition = [position retain];
51    }
52
53    [_error release];
54    _error = 0;
55
56    if (!_timer)
57        _timer = [NSTimer scheduledTimerWithTimeInterval:0 target:self selector:@selector(timerFired) userInfo:0 repeats:NO];
58}
59
60- (void)setError:(NSError *)error
61{
62    if (_error != error) {
63        [_error release];
64        _error = [error retain];
65    }
66
67    [_lastPosition release];
68    _lastPosition = 0;
69
70    if (!_timer)
71        _timer = [NSTimer scheduledTimerWithTimeInterval:0 target:self selector:@selector(timerFired) userInfo:0 repeats:NO];
72}
73
74- (void)registerWebView:(WebView *)webView
75{
76    _registeredViews.add(webView);
77
78    if (!_timer)
79        _timer = [NSTimer scheduledTimerWithTimeInterval:0 target:self selector:@selector(timerFired) userInfo:0 repeats:NO];
80}
81
82- (void)unregisterWebView:(WebView *)webView
83{
84    _registeredViews.remove(webView);
85}
86
87- (WebGeolocationPosition *)lastPosition
88{
89    return _lastPosition;
90}
91
92- (void)stopTimer
93{
94    [_timer invalidate];
95    _timer = 0;
96}
97
98- (void)timerFired
99{
100    _timer = 0;
101
102    // Expect that views won't be (un)registered while iterating.
103    HashSet<WebView*> views = _registeredViews;
104    for (HashSet<WebView*>::iterator iter = views.begin(); iter != views.end(); ++iter) {
105        if (_error)
106            [*iter _geolocationDidFailWithError:_error];
107        else
108            [*iter _geolocationDidChangePosition:_lastPosition];
109    }
110}
111
112@end
113