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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "modules/keyboard_lock/NavigatorKeyboardLock.h" | |
6 | |
7 #include "bindings/core/v8/ScriptPromise.h" | |
8 #include "bindings/core/v8/ScriptPromiseResolver.h" | |
9 #include "bindings/core/v8/V8Binding.h" | |
10 #include "core/frame/LocalFrame.h" | |
11 #include "platform/heap/Persistent.h" | |
12 #include "platform/wtf/Assertions.h" | |
13 #include "platform/wtf/Functional.h" | |
14 #include "public/platform/InterfaceProvider.h" | |
15 | |
16 namespace blink { | |
17 | |
18 NavigatorKeyboardLock::NavigatorKeyboardLock(Navigator& navigator) | |
19 : Supplement<Navigator>(navigator) {} | |
20 | |
21 NavigatorKeyboardLock& NavigatorKeyboardLock::From(Navigator& navigator) { | |
22 NavigatorKeyboardLock* supplement = static_cast<NavigatorKeyboardLock*>( | |
23 Supplement<Navigator>::From(navigator, SupplementName())); | |
24 if (!supplement) { | |
25 supplement = new NavigatorKeyboardLock(navigator); | |
26 ProvideTo(navigator, SupplementName(), supplement); | |
27 } | |
28 return *supplement; | |
29 } | |
30 | |
31 // static | |
32 ScriptPromise NavigatorKeyboardLock::requestKeyLock( | |
33 ScriptState* state, | |
34 Navigator& navigator, | |
35 const Vector<String>& keycodes) { | |
36 return NavigatorKeyboardLock::From(navigator).requestKeyLock(state, keycodes); | |
37 } | |
38 | |
39 ScriptPromise NavigatorKeyboardLock::requestKeyLock( | |
40 ScriptState* state, | |
41 const Vector<String>& keycodes) { | |
42 DCHECK(state); | |
43 if (request_keylock_resolver_) { | |
44 return ScriptPromise::Reject( | |
45 state, V8String(state->GetIsolate(), | |
46 "Last requestKeyLock() has not finished yet.")); | |
47 } | |
48 | |
49 if (!service_) { | |
50 GetSupplementable()->GetFrame()->GetInterfaceProvider()->GetInterface( | |
51 mojo::MakeRequest(&service_)); | |
52 } | |
53 | |
54 if (!service_.get()) { | |
55 return ScriptPromise::Reject( | |
56 state, V8String(state->GetIsolate(), "Browser is not connecting.")); | |
57 } | |
58 | |
59 request_keylock_resolver_ = ScriptPromiseResolver::Create(state); | |
60 service_->RequestKeyLock( | |
61 keycodes, | |
62 ConvertToBaseCallback(WTF::Bind( | |
63 &NavigatorKeyboardLock::LockRequestFinished, WrapPersistent(this)))); | |
64 return request_keylock_resolver_->Promise(); | |
65 } | |
66 | |
67 void NavigatorKeyboardLock::cancelKeyLock() { | |
68 if (!service_) { | |
69 GetSupplementable()->GetFrame()->GetInterfaceProvider()->GetInterface( | |
70 mojo::MakeRequest(&service_)); | |
71 } | |
72 | |
73 if (!service_.get()) { | |
whywhat
2017/04/12 16:02:13
nit: one line blocks don't require {}
Hzj_jie
2017/04/13 00:38:54
Done.
| |
74 return; | |
75 } | |
76 | |
77 service_->CancelKeyLock(ConvertToBaseCallback(WTF::Bind( | |
78 &NavigatorKeyboardLock::CancelRequestFinished, WrapPersistent(this)))); | |
79 } | |
80 | |
81 // static | |
82 void NavigatorKeyboardLock::cancelKeyLock(Navigator& navigator) { | |
83 NavigatorKeyboardLock::From(navigator).cancelKeyLock(); | |
84 } | |
85 | |
86 void NavigatorKeyboardLock::LockRequestFinished(bool allowed, | |
87 const String& reason) { | |
88 DCHECK(request_keylock_resolver_); | |
89 if (allowed) { | |
whywhat
2017/04/12 16:02:13
nit: ditto
Hzj_jie
2017/04/13 00:38:54
Done.
| |
90 request_keylock_resolver_->Resolve(); | |
91 } else { | |
92 request_keylock_resolver_->Reject(reason); | |
93 } | |
94 request_keylock_resolver_ = nullptr; | |
95 } | |
96 | |
97 void NavigatorKeyboardLock::CancelRequestFinished() { | |
98 // TODO(zijiehe): The response of CancelKeyLock may need to be forwarded to | |
whywhat
2017/04/12 16:02:13
nit: you could not submit the unused code path unt
Hzj_jie
2017/04/13 00:38:54
Done.
| |
99 // the web page. | |
100 } | |
101 | |
102 // static | |
103 const char* NavigatorKeyboardLock::SupplementName() { | |
104 return "NavigatorKeyboardLock"; | |
105 } | |
106 | |
107 DEFINE_TRACE(NavigatorKeyboardLock) { | |
108 visitor->Trace(request_keylock_resolver_); | |
109 Supplement<Navigator>::Trace(visitor); | |
110 } | |
111 | |
112 } // namespace blink | |
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