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1/*
2 * Copyright (C) 2009 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "WebGeolocationClient.h"
27
28#import "WebDelegateImplementationCaching.h"
29#import "WebFrameInternal.h"
30#import "WebGeolocationPositionInternal.h"
31#import "WebSecurityOriginInternal.h"
32#import "WebUIDelegatePrivate.h"
33#import "WebViewInternal.h"
34#import <WebCore/BlockExceptions.h>
35#import <WebCore/Frame.h>
36#import <WebCore/Geolocation.h>
37
38using namespace WebCore;
39
40@interface WebGeolocationPolicyListener : NSObject <WebGeolocationPolicyListener>
41{
42    RefPtr<Geolocation> _geolocation;
43}
44- (id)initWithGeolocation:(Geolocation*)geolocation;
45@end
46
47WebGeolocationClient::WebGeolocationClient(WebView *webView)
48    : m_webView(webView)
49{
50}
51
52void WebGeolocationClient::geolocationDestroyed()
53{
54    delete this;
55}
56
57void WebGeolocationClient::startUpdating()
58{
59    [[m_webView _geolocationProvider] registerWebView:m_webView];
60}
61
62void WebGeolocationClient::stopUpdating()
63{
64    [[m_webView _geolocationProvider] unregisterWebView:m_webView];
65}
66
67void WebGeolocationClient::requestPermission(Geolocation* geolocation)
68{
69    BEGIN_BLOCK_OBJC_EXCEPTIONS;
70
71    SEL selector = @selector(webView:decidePolicyForGeolocationRequestFromOrigin:frame:listener:);
72    if (![[m_webView UIDelegate] respondsToSelector:selector]) {
73        geolocation->setIsAllowed(false);
74        return;
75    }
76
77    Frame *frame = geolocation->frame();
78    WebSecurityOrigin *webOrigin = [[WebSecurityOrigin alloc] _initWithWebCoreSecurityOrigin:frame->document()->securityOrigin()];
79    WebGeolocationPolicyListener* listener = [[WebGeolocationPolicyListener alloc] initWithGeolocation:geolocation];
80
81    CallUIDelegate(m_webView, selector, webOrigin, kit(frame), listener);
82
83    [webOrigin release];
84    [listener release];
85
86    END_BLOCK_OBJC_EXCEPTIONS;
87}
88
89GeolocationPosition* WebGeolocationClient::lastPosition()
90{
91#if ENABLE(CLIENT_BASED_GEOLOCATION)
92    return core([[m_webView _geolocationProvider] lastPosition]);
93#else
94    return 0;
95#endif
96}
97
98@implementation WebGeolocationPolicyListener
99
100- (id)initWithGeolocation:(Geolocation*)geolocation
101{
102    if (!(self = [super init]))
103        return nil;
104    _geolocation = geolocation;
105    return self;
106}
107
108- (void)allow
109{
110    _geolocation->setIsAllowed(true);
111}
112
113- (void)deny
114{
115    _geolocation->setIsAllowed(false);
116}
117
118@end
119
120