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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 "bindings/core/v8/ScriptPromiseResolver.h" | 5 #include "bindings/core/v8/ScriptPromiseResolver.h" |
| 6 | 6 |
| 7 #include "core/dom/TaskRunnerHelper.h" | 7 #include "core/dom/TaskRunnerHelper.h" |
| 8 #include "core/probe/CoreProbes.h" | 8 #include "core/probe/CoreProbes.h" |
| 9 | 9 |
| 10 namespace blink { | 10 namespace blink { |
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| 50 // is then resolved/rejected while in that suspended state. | 50 // is then resolved/rejected while in that suspended state. |
| 51 if (state_ == kDetached || keep_alive_) | 51 if (state_ == kDetached || keep_alive_) |
| 52 return; | 52 return; |
| 53 | 53 |
| 54 // Keep |this| around while the promise is Pending; | 54 // Keep |this| around while the promise is Pending; |
| 55 // see detach() for the dual operation. | 55 // see detach() for the dual operation. |
| 56 keep_alive_ = this; | 56 keep_alive_ = this; |
| 57 } | 57 } |
| 58 | 58 |
| 59 void ScriptPromiseResolver::OnTimerFired(TimerBase*) { | 59 void ScriptPromiseResolver::OnTimerFired(TimerBase*) { |
| 60 ASSERT(state_ == kResolving || state_ == kRejecting); | 60 DCHECK(state_ == kResolving || state_ == kRejecting); |
| 61 if (!GetScriptState()->ContextIsValid()) { | 61 if (!GetScriptState()->ContextIsValid()) { |
| 62 Detach(); | 62 Detach(); |
| 63 return; | 63 return; |
| 64 } | 64 } |
| 65 | 65 |
| 66 ScriptState::Scope scope(script_state_.Get()); | 66 ScriptState::Scope scope(script_state_.Get()); |
| 67 ResolveOrRejectImmediately(); | 67 ResolveOrRejectImmediately(); |
| 68 } | 68 } |
| 69 | 69 |
| 70 void ScriptPromiseResolver::ResolveOrRejectImmediately() { | 70 void ScriptPromiseResolver::ResolveOrRejectImmediately() { |
| 71 DCHECK(!GetExecutionContext()->IsContextDestroyed()); | 71 DCHECK(!GetExecutionContext()->IsContextDestroyed()); |
| 72 DCHECK(!GetExecutionContext()->IsContextSuspended()); | 72 DCHECK(!GetExecutionContext()->IsContextSuspended()); |
| 73 { | 73 { |
| 74 probe::AsyncTask async_task(GetExecutionContext(), this); | 74 probe::AsyncTask async_task(GetExecutionContext(), this); |
| 75 if (state_ == kResolving) { | 75 if (state_ == kResolving) { |
| 76 resolver_.Resolve(value_.NewLocal(script_state_->GetIsolate())); | 76 resolver_.Resolve(value_.NewLocal(script_state_->GetIsolate())); |
| 77 } else { | 77 } else { |
| 78 ASSERT(state_ == kRejecting); | 78 ASSERT(state_ == kRejecting); |
| 79 resolver_.Reject(value_.NewLocal(script_state_->GetIsolate())); | 79 resolver_.Reject(value_.NewLocal(script_state_->GetIsolate())); |
| 80 } | 80 } |
| 81 } | 81 } |
| 82 Detach(); | 82 Detach(); |
| 83 } | 83 } |
| 84 | 84 |
| 85 DEFINE_TRACE(ScriptPromiseResolver) { | 85 DEFINE_TRACE(ScriptPromiseResolver) { |
| 86 SuspendableObject::Trace(visitor); | 86 SuspendableObject::Trace(visitor); |
| 87 } | 87 } |
| 88 | 88 |
| 89 } // namespace blink | 89 } // namespace blink |
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