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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 #include "modules/webmidi/MIDIAccessInitializer.h" | 6 #include "modules/webmidi/MIDIAccessInitializer.h" |
7 | 7 |
8 #include "bindings/core/v8/ScriptPromise.h" | 8 #include "bindings/core/v8/ScriptPromise.h" |
9 #include "bindings/core/v8/ScriptPromiseResolver.h" | 9 #include "bindings/core/v8/ScriptPromiseResolver.h" |
10 #include "core/dom/DOMException.h" | 10 #include "core/dom/DOMException.h" |
11 #include "core/dom/Document.h" | 11 #include "core/dom/Document.h" |
12 #include "core/dom/ExceptionCode.h" | 12 #include "core/dom/ExceptionCode.h" |
13 #include "core/frame/Navigator.h" | 13 #include "core/frame/Navigator.h" |
14 #include "modules/webmidi/MIDIAccess.h" | 14 #include "modules/webmidi/MIDIAccess.h" |
15 #include "modules/webmidi/MIDIController.h" | 15 #include "modules/webmidi/MIDIController.h" |
16 #include "modules/webmidi/MIDIOptions.h" | 16 #include "modules/webmidi/MIDIOptions.h" |
17 #include "modules/webmidi/MIDIPort.h" | 17 #include "modules/webmidi/MIDIPort.h" |
18 | 18 |
19 namespace blink { | 19 namespace blink { |
20 | 20 |
21 using PortState = WebMIDIAccessorClient::MIDIPortState; | 21 using PortState = WebMIDIAccessorClient::MIDIPortState; |
22 | 22 |
23 MIDIAccessInitializer::MIDIAccessInitializer(ScriptState* scriptState, const MID
IOptions& options) | 23 MIDIAccessInitializer::MIDIAccessInitializer(ScriptState* scriptState, const MID
IOptions& options) |
24 : ScriptPromiseResolver(scriptState) | 24 : ScriptPromiseResolver(scriptState) |
25 , m_requestSysex(false) | 25 , m_requestSysex(false) |
26 , m_hasBeenDisposed(false) | 26 , m_hasBeenDisposed(false) |
27 , m_sysexPermissionResolved(false) | 27 , m_sysexPermissionResolved(false) |
28 { | 28 { |
29 #if ENABLE(OILPAN) | |
30 #if ENABLE(ASSERT) | |
31 // A prefinalizer has already been registered for ScriptPromiseResolver; | |
32 // remove it and register a combined one as the infrastructure doesn't | |
33 // support multiple prefinalizers for an object. | |
34 ThreadState::current()->unregisterPreFinalizer(*static_cast<ScriptPromiseRes
olver*>(this)); | |
35 #endif | |
36 ThreadState::current()->registerPreFinalizer(*this); | |
37 #endif | |
38 if (options.hasSysex()) | 29 if (options.hasSysex()) |
39 m_requestSysex = options.sysex(); | 30 m_requestSysex = options.sysex(); |
40 } | 31 } |
41 | 32 |
42 MIDIAccessInitializer::~MIDIAccessInitializer() | 33 MIDIAccessInitializer::~MIDIAccessInitializer() |
43 { | 34 { |
44 #if !ENABLE(OILPAN) | |
45 dispose(); | 35 dispose(); |
46 #endif | |
47 } | 36 } |
48 | 37 |
49 void MIDIAccessInitializer::contextDestroyed() | 38 void MIDIAccessInitializer::contextDestroyed() |
50 { | 39 { |
51 dispose(); | 40 dispose(); |
52 LifecycleObserver::contextDestroyed(); | 41 LifecycleObserver::contextDestroyed(); |
53 } | 42 } |
54 | 43 |
55 void MIDIAccessInitializer::dispose() | 44 void MIDIAccessInitializer::dispose() |
56 { | 45 { |
57 if (m_hasBeenDisposed) | 46 if (m_hasBeenDisposed) |
58 return; | 47 return; |
59 | 48 |
60 if (!executionContext()) | 49 if (!executionContext()) |
61 return; | 50 return; |
62 | 51 |
63 if (!m_sysexPermissionResolved) { | 52 if (!m_sysexPermissionResolved) { |
64 Document* document = toDocument(executionContext()); | 53 Document* document = toDocument(executionContext()); |
65 ASSERT(document); | 54 ASSERT(document); |
66 if (MIDIController* controller = MIDIController::from(document->frame())
) | 55 if (MIDIController* controller = MIDIController::from(document->frame())
) |
67 controller->cancelSysexPermissionRequest(this); | 56 controller->cancelSysexPermissionRequest(this); |
68 m_sysexPermissionResolved = true; | 57 m_sysexPermissionResolved = true; |
69 } | 58 } |
70 | 59 |
71 m_hasBeenDisposed = true; | 60 m_hasBeenDisposed = true; |
72 #if ENABLE(OILPAN) && ENABLE(ASSERT) | |
73 ScriptPromiseResolver::dispose(); | |
74 #endif | |
75 } | 61 } |
76 | 62 |
77 ScriptPromise MIDIAccessInitializer::start() | 63 ScriptPromise MIDIAccessInitializer::start() |
78 { | 64 { |
79 ScriptPromise promise = this->promise(); | 65 ScriptPromise promise = this->promise(); |
80 m_accessor = MIDIAccessor::create(this); | 66 m_accessor = MIDIAccessor::create(this); |
81 | 67 |
82 if (!m_requestSysex) { | 68 if (!m_requestSysex) { |
83 m_accessor->startSession(); | 69 m_accessor->startSession(); |
84 return promise; | 70 return promise; |
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159 { | 145 { |
160 return executionContext()->securityOrigin(); | 146 return executionContext()->securityOrigin(); |
161 } | 147 } |
162 | 148 |
163 ExecutionContext* MIDIAccessInitializer::executionContext() const | 149 ExecutionContext* MIDIAccessInitializer::executionContext() const |
164 { | 150 { |
165 return scriptState()->executionContext(); | 151 return scriptState()->executionContext(); |
166 } | 152 } |
167 | 153 |
168 } // namespace blink | 154 } // namespace blink |
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