1 | /* |
2 | * Copyright (C) 2019 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 | * * Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 | #include "config.h" |
27 | #include "DeviceOrientationAndMotionAccessController.h" |
28 | |
29 | #if ENABLE(DEVICE_ORIENTATION) |
30 | |
31 | #include "Chrome.h" |
32 | #include "ChromeClient.h" |
33 | #include "DOMWindow.h" |
34 | #include "Document.h" |
35 | #include "DocumentLoader.h" |
36 | #include "Frame.h" |
37 | #include "Page.h" |
38 | #include "UserGestureIndicator.h" |
39 | |
40 | namespace WebCore { |
41 | |
42 | DeviceOrientationAndMotionAccessController::DeviceOrientationAndMotionAccessController(Document& document) |
43 | : m_document(document) |
44 | { |
45 | ASSERT(&m_document.topDocument() == &m_document); |
46 | |
47 | // Initial value is based on the per-site setting. |
48 | auto* frame = m_document.frame(); |
49 | if (auto* documentLoader = frame ? frame->loader().documentLoader() : nullptr) |
50 | m_accessState = documentLoader->deviceOrientationAndMotionAccessState(); |
51 | } |
52 | |
53 | void DeviceOrientationAndMotionAccessController::shouldAllowAccess(Function<void(DeviceOrientationOrMotionPermissionState)>&& callback) |
54 | { |
55 | auto* page = m_document.page(); |
56 | auto* frame = m_document.frame(); |
57 | if (!page || !frame) |
58 | return callback(DeviceOrientationOrMotionPermissionState::Denied); |
59 | |
60 | bool mayPrompt = UserGestureIndicator::processingUserGesture(); |
61 | if (m_accessState != DeviceOrientationOrMotionPermissionState::Prompt) |
62 | return callback(m_accessState); |
63 | |
64 | page->chrome().client().shouldAllowDeviceOrientationAndMotionAccess(*m_document.frame(), mayPrompt, [this, weakThis = makeWeakPtr(this), callback = WTFMove(callback)](DeviceOrientationOrMotionPermissionState permissionState) mutable { |
65 | if (!weakThis) |
66 | return; |
67 | |
68 | m_accessState = permissionState; |
69 | callback(permissionState); |
70 | |
71 | if (permissionState != DeviceOrientationOrMotionPermissionState::Granted) |
72 | return; |
73 | |
74 | for (auto* frame = m_document.frame(); frame && frame->window(); frame = frame->tree().traverseNext(m_document.frame())) { |
75 | frame->window()->startListeningForDeviceOrientationIfNecessary(); |
76 | frame->window()->startListeningForDeviceMotionIfNecessary(); |
77 | } |
78 | }); |
79 | } |
80 | |
81 | } // namespace WebCore |
82 | |
83 | #endif // ENABLE(DEVICE_ORIENTATION) |
84 | |