| /* |
| * Copyright (C) 2009, 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_BINDINGS_CORE_V8_WORKER_OR_WORKLET_SCRIPT_CONTROLLER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_BINDINGS_CORE_V8_WORKER_OR_WORKLET_SCRIPT_CONTROLLER_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/bindings/core/v8/rejected_promises.h" |
| #include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| #include "v8/include/v8.h" |
| |
| namespace blink { |
| |
| class WorkerOrWorkletGlobalScope; |
| |
| class CORE_EXPORT WorkerOrWorkletScriptController final |
| : public GarbageCollected<WorkerOrWorkletScriptController> { |
| public: |
| WorkerOrWorkletScriptController(WorkerOrWorkletGlobalScope*, v8::Isolate*); |
| virtual ~WorkerOrWorkletScriptController(); |
| void Dispose(); |
| |
| bool IsExecutionForbidden() const; |
| |
| // Prevents future JavaScript execution. |
| void ForbidExecution(); |
| |
| // For WorkerGlobalScope and threaded WorkletGlobalScope, |url_for_debugger| |
| // is and should be used only for setting name/origin that appears in |
| // DevTools. |
| // For main thread WorkletGlobalScope, WorkerOrWorkletGlobalScope::Name() is |
| // used for setting DOMWrapperWorld's human readable name. |
| // This should be called only once. |
| void Initialize(const KURL& url_for_debugger); |
| |
| // Prepares for script evaluation. This must be called after Initialize() |
| // before Evaluate(). |
| void PrepareForEvaluation(); |
| |
| // Disables `eval()` on JavaScript. This must be called before Evaluate(). |
| void DisableEval(const String&); |
| |
| ScriptState* GetScriptState() { return script_state_; } |
| |
| // Used by V8 bindings: |
| v8::Local<v8::Context> GetContext() { |
| return script_state_ ? script_state_->GetContext() |
| : v8::Local<v8::Context>(); |
| } |
| |
| RejectedPromises* GetRejectedPromises() const { |
| return rejected_promises_.get(); |
| } |
| |
| void Trace(Visitor*) const; |
| |
| bool IsContextInitialized() const { |
| return script_state_ && !!script_state_->PerContextData(); |
| } |
| bool IsReadyToEvaluate() const { return is_ready_to_evaluate_; } |
| |
| private: |
| void DisableEvalInternal(const String& error_message); |
| |
| void DisposeContextIfNeeded(); |
| |
| Member<WorkerOrWorkletGlobalScope> global_scope_; |
| |
| // The v8 isolate associated to the (worker or worklet) global scope. For |
| // workers this should be the worker thread's isolate, while for worklets |
| // usually the main thread's isolate is used. |
| v8::Isolate* isolate_; |
| |
| Member<ScriptState> script_state_; |
| scoped_refptr<DOMWrapperWorld> world_; |
| |
| // Keeps the error message for `eval()` on JavaScript until Initialize(). |
| String disable_eval_pending_; |
| |
| bool is_ready_to_evaluate_ = false; |
| bool execution_forbidden_ = false; |
| |
| scoped_refptr<RejectedPromises> rejected_promises_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WorkerOrWorkletScriptController); |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_BINDINGS_CORE_V8_WORKER_OR_WORKLET_SCRIPT_CONTROLLER_H_ |