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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "bindings/core/v8/V8PerformanceObserver.h" | 5 #include "bindings/core/v8/V8PerformanceObserver.h" |
6 | 6 |
7 #include "bindings/core/v8/ExceptionMessages.h" | 7 #include "bindings/core/v8/ExceptionMessages.h" |
8 #include "bindings/core/v8/PerformanceObserverCallback.h" | 8 #include "bindings/core/v8/PerformanceObserverCallback.h" |
9 #include "bindings/core/v8/V8Binding.h" | 9 #include "bindings/core/v8/V8Binding.h" |
10 #include "bindings/core/v8/V8DOMWrapper.h" | 10 #include "bindings/core/v8/V8DOMWrapper.h" |
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33 | 33 |
34 Performance* performance = nullptr; | 34 Performance* performance = nullptr; |
35 LocalDOMWindow* window = ToLocalDOMWindow(wrapper->CreationContext()); | 35 LocalDOMWindow* window = ToLocalDOMWindow(wrapper->CreationContext()); |
36 if (!window) { | 36 if (!window) { |
37 V8ThrowException::ThrowTypeError( | 37 V8ThrowException::ThrowTypeError( |
38 isolate, ExceptionMessages::FailedToConstruct( | 38 isolate, ExceptionMessages::FailedToConstruct( |
39 "PerformanceObserver", "No 'window' in current context.")); | 39 "PerformanceObserver", "No 'window' in current context.")); |
40 return; | 40 return; |
41 } | 41 } |
42 performance = DOMWindowPerformance::performance(*window); | 42 performance = DOMWindowPerformance::performance(*window); |
43 ASSERT(performance); | 43 DCHECK(performance); |
44 | 44 |
45 if (info.Length() <= 0 || !info[0]->IsFunction()) { | 45 if (info.Length() <= 0 || !info[0]->IsFunction()) { |
46 V8ThrowException::ThrowTypeError( | 46 V8ThrowException::ThrowTypeError( |
47 isolate, | 47 isolate, |
48 ExceptionMessages::FailedToConstruct( | 48 ExceptionMessages::FailedToConstruct( |
49 "PerformanceObserver", | 49 "PerformanceObserver", |
50 "The callback provided as parameter 1 is not a function.")); | 50 "The callback provided as parameter 1 is not a function.")); |
51 return; | 51 return; |
52 } | 52 } |
53 ScriptState* script_state = ScriptState::ForReceiverObject(info); | 53 ScriptState* script_state = ScriptState::ForReceiverObject(info); |
54 v8::Local<v8::Function> v8_callback = v8::Local<v8::Function>::Cast(info[0]); | 54 v8::Local<v8::Function> v8_callback = v8::Local<v8::Function>::Cast(info[0]); |
55 PerformanceObserverCallback* callback = | 55 PerformanceObserverCallback* callback = |
56 PerformanceObserverCallback::Create(script_state, v8_callback); | 56 PerformanceObserverCallback::Create(script_state, v8_callback); |
57 | 57 |
58 PerformanceObserver* observer = PerformanceObserver::Create( | 58 PerformanceObserver* observer = PerformanceObserver::Create( |
59 CurrentExecutionContext(isolate), performance, callback); | 59 CurrentExecutionContext(isolate), performance, callback); |
60 | 60 |
61 // TODO(bashi): Don't set private property (and remove this custom | 61 // TODO(bashi): Don't set private property (and remove this custom |
62 // constructor) when we can trace correctly. See crbug.com/468240. | 62 // constructor) when we can trace correctly. See crbug.com/468240. |
63 V8PrivateProperty::GetPerformanceObserverCallback(isolate).Set(wrapper, | 63 V8PrivateProperty::GetPerformanceObserverCallback(isolate).Set(wrapper, |
64 v8_callback); | 64 v8_callback); |
65 V8SetReturnValue(info, V8DOMWrapper::AssociateObjectWithWrapper( | 65 V8SetReturnValue(info, V8DOMWrapper::AssociateObjectWithWrapper( |
66 isolate, observer, &wrapperTypeInfo, wrapper)); | 66 isolate, observer, &wrapperTypeInfo, wrapper)); |
67 } | 67 } |
68 | 68 |
69 } // namespace blink | 69 } // namespace blink |
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