1 /*
2 * Copyright (C) 2010 Google 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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "DeviceOrientationClientProxy.h"
28
29 #include "DeviceOrientation.h"
30 #include "WebDeviceOrientation.h"
31 #include "WebDeviceOrientationController.h"
32 #include <wtf/OwnPtr.h>
33 #include <wtf/PassRefPtr.h>
34 #include <wtf/RefPtr.h>
35
36 namespace WebCore {
37 class DeviceOrientationController;
38 }
39
40 namespace WebKit {
41
setController(WebCore::DeviceOrientationController * c)42 void DeviceOrientationClientProxy::setController(WebCore::DeviceOrientationController* c)
43 {
44 if (!m_client) // FIXME: Get rid of these null checks once device orientation is enabled by default.
45 return;
46 m_client->setController(new WebDeviceOrientationController(c));
47 }
48
startUpdating()49 void DeviceOrientationClientProxy::startUpdating()
50 {
51 if (!m_client)
52 return;
53 m_client->startUpdating();
54 }
55
stopUpdating()56 void DeviceOrientationClientProxy::stopUpdating()
57 {
58 if (!m_client)
59 return;
60 m_client->stopUpdating();
61 }
62
lastOrientation() const63 WebCore::DeviceOrientation* DeviceOrientationClientProxy::lastOrientation() const
64 {
65 if (!m_client)
66 return 0;
67
68 // Cache the DeviceOrientation pointer so its reference count does not drop to zero upon return.
69 m_lastOrientation = m_client->lastOrientation();
70
71 return m_lastOrientation.get();
72 }
73
deviceOrientationControllerDestroyed()74 void DeviceOrientationClientProxy::deviceOrientationControllerDestroyed()
75 {
76 // Our lifetime is bound to the WebViewImpl.
77 }
78
79 } // namespace WebKit
80