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 

    79 - (void)unregisterWebView:(WebView *)webView

    80 {

    81     _registeredViews.remove(webView);

    82 }

    83 

    84 - (WebGeolocationPosition *)lastPosition

    85 {

    86     return _lastPosition;

    87 }

    88 

    89 - (void)stopTimer

    90 {

    91     [_timer invalidate];

    92     _timer = 0;

    93 }

    94 

    95 - (void)timerFired

    96 {

    97     _timer = 0;

    98 

    99     // Expect that views won't be (un)registered while iterating.

   100     HashSet<WebView*> views = _registeredViews;

   101     for (HashSet<WebView*>::iterator iter = views.begin(); iter != views.end(); ++iter) {

   102         if (_error)

   103             [*iter _geolocationDidFailWithError:_error];

   104         else

   105             [*iter _geolocationDidChangePosition:_lastPosition];

   106     }

   107 }

   108 

   109 @end