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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/navigatorconnect/NavigatorConnect.h" | 6 #include "modules/navigatorconnect/NavigatorConnect.h" |
7 | 7 |
8 #include "bindings/core/v8/ScriptPromiseResolver.h" | 8 #include "bindings/core/v8/ScriptPromiseResolver.h" |
9 #include "core/dom/DOMException.h" | 9 #include "core/dom/DOMException.h" |
10 #include "core/dom/ExceptionCode.h" | 10 #include "core/dom/ExceptionCode.h" |
11 #include "core/dom/MessageChannel.h" | 11 #include "core/dom/MessageChannel.h" |
12 #include "core/dom/MessagePort.h" | 12 #include "core/dom/MessagePort.h" |
13 #include "public/platform/Platform.h" | 13 #include "public/platform/Platform.h" |
14 #include "public/platform/WebCallbacks.h" | 14 #include "public/platform/WebCallbacks.h" |
15 #include "public/platform/WebNavigatorConnectProvider.h" | 15 #include "public/platform/WebNavigatorConnectProvider.h" |
16 | 16 |
17 namespace blink { | 17 namespace blink { |
18 | 18 |
19 namespace { | 19 namespace { |
20 | 20 |
21 class ConnectCallbacks : public WebCallbacks<void, void> { | 21 class ConnectCallbacks : public WebCallbacks<void, void> { |
22 public: | 22 public: |
23 ConnectCallbacks(PassRefPtr<ScriptPromiseResolver> resolver, PassRefPtrWillB
eRawPtr<MessagePort> port) | 23 ConnectCallbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver, Pas
sRefPtrWillBeRawPtr<MessagePort> port) |
24 : m_resolver(resolver), m_port(port) | 24 : m_resolver(resolver), m_port(port) |
25 { | 25 { |
26 ASSERT(m_resolver); | 26 ASSERT(m_resolver); |
27 } | 27 } |
28 ~ConnectCallbacks() override { } | 28 ~ConnectCallbacks() override { } |
29 | 29 |
30 void onSuccess() override | 30 void onSuccess() override |
31 { | 31 { |
32 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { | 32 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { |
33 return; | 33 return; |
34 } | 34 } |
35 m_resolver->resolve(m_port); | 35 m_resolver->resolve(m_port); |
36 } | 36 } |
37 | 37 |
38 void onError() override | 38 void onError() override |
39 { | 39 { |
40 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { | 40 if (!m_resolver->executionContext() || m_resolver->executionContext()->a
ctiveDOMObjectsAreStopped()) { |
41 return; | 41 return; |
42 } | 42 } |
43 m_resolver->reject(DOMException::create(AbortError)); | 43 m_resolver->reject(DOMException::create(AbortError)); |
44 } | 44 } |
45 | 45 |
46 private: | 46 private: |
47 RefPtr<ScriptPromiseResolver> m_resolver; | 47 RefPtrWillBePersistent<ScriptPromiseResolver> m_resolver; |
48 RefPtrWillBePersistent<MessagePort> m_port; | 48 RefPtrWillBePersistent<MessagePort> m_port; |
49 WTF_MAKE_NONCOPYABLE(ConnectCallbacks); | 49 WTF_MAKE_NONCOPYABLE(ConnectCallbacks); |
50 }; | 50 }; |
51 | 51 |
52 } // namespace | 52 } // namespace |
53 | 53 |
54 ScriptPromise NavigatorConnect::connect(ScriptState* scriptState, const String&
url) | 54 ScriptPromise NavigatorConnect::connect(ScriptState* scriptState, const String&
url) |
55 { | 55 { |
56 WebNavigatorConnectProvider* provider = Platform::current()->navigatorConnec
tProvider(); | 56 WebNavigatorConnectProvider* provider = Platform::current()->navigatorConnec
tProvider(); |
57 if (!provider) | 57 if (!provider) |
58 return ScriptPromise::rejectWithDOMException(scriptState, DOMException::
create(NotSupportedError)); | 58 return ScriptPromise::rejectWithDOMException(scriptState, DOMException::
create(NotSupportedError)); |
59 | 59 |
60 RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scrip
tState); | 60 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
61 ScriptPromise promise = resolver->promise(); | 61 ScriptPromise promise = resolver->promise(); |
62 // Create a new MessageChannel, but immediately disentangle port2 (extract | 62 // Create a new MessageChannel, but immediately disentangle port2 (extract |
63 // the WebMessagePortChannel from the port and mark it as being transfered). | 63 // the WebMessagePortChannel from the port and mark it as being transfered). |
64 // This way we have: | 64 // This way we have: |
65 // - Ownership of port1 is kept in the ConnectCallbacks and later passed to | 65 // - Ownership of port1 is kept in the ConnectCallbacks and later passed to |
66 // javascript (or released if the connection is not accepted). | 66 // javascript (or released if the connection is not accepted). |
67 // - Ownership of port2 (or more precisely the WebMessagePortChannel backing | 67 // - Ownership of port2 (or more precisely the WebMessagePortChannel backing |
68 // it) is passed to the content layer to be transfered to the service | 68 // it) is passed to the content layer to be transfered to the service |
69 // provider. | 69 // provider. |
70 // - Ownership of the MessageChannel object itself will be released at the | 70 // - Ownership of the MessageChannel object itself will be released at the |
71 // end of this method. This is okay as it's the ports themselves that | 71 // end of this method. This is okay as it's the ports themselves that |
72 // represent the actual message channel. MessageChannel is only used to | 72 // represent the actual message channel. MessageChannel is only used to |
73 // create a pair of ports. | 73 // create a pair of ports. |
74 RefPtrWillBeRawPtr<MessageChannel> channel(MessageChannel::create(scriptStat
e->executionContext())); | 74 RefPtrWillBeRawPtr<MessageChannel> channel(MessageChannel::create(scriptStat
e->executionContext())); |
75 OwnPtr<WebMessagePortChannel> webchannel = channel->port2()->disentangle(); | 75 OwnPtr<WebMessagePortChannel> webchannel = channel->port2()->disentangle(); |
76 provider->connect( | 76 provider->connect( |
77 scriptState->executionContext()->completeURL(url), | 77 scriptState->executionContext()->completeURL(url), |
78 scriptState->executionContext()->securityOrigin()->toString(), | 78 scriptState->executionContext()->securityOrigin()->toString(), |
79 webchannel.leakPtr(), | 79 webchannel.leakPtr(), |
80 new ConnectCallbacks(resolver, channel->port1())); | 80 new ConnectCallbacks(resolver, channel->port1())); |
81 return promise; | 81 return promise; |
82 } | 82 } |
83 | 83 |
84 | 84 |
85 } // namespace blink | 85 } // namespace blink |
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