third_party/WebKit/Source/core/inspector/WorkerThreadDebugger.h

/*
 * Copyright (c) 2011 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,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#ifndef WorkerThreadDebugger_h
#define WorkerThreadDebugger_h

#include "core/CoreExport.h"
#include "core/inspector/ThreadDebugger.h"

namespace blink {

class ConsoleMessage;
class ErrorEvent;
class SourceLocation;
class WorkerThread;

class CORE_EXPORT WorkerThreadDebugger final : public ThreadDebugger {
  WTF_MAKE_NONCOPYABLE(WorkerThreadDebugger);

 public:
  explicit WorkerThreadDebugger(v8::Isolate*);
  ~WorkerThreadDebugger() override;

  static WorkerThreadDebugger* from(v8::Isolate*);
  bool isWorker() override { return true; }

  int contextGroupId(WorkerThread*);
  void contextCreated(WorkerThread*, v8::Local<v8::Context>);
  void contextWillBeDestroyed(WorkerThread*, v8::Local<v8::Context>);
  void exceptionThrown(WorkerThread*, ErrorEvent*);

 private:
  int contextGroupId(ExecutionContext*) override;
  void reportConsoleMessage(ExecutionContext*,
                            MessageSource,
                            MessageLevel,
                            const String& message,
                            SourceLocation*) override;

  // V8InspectorClient implementation.
  void runMessageLoopOnPause(int contextGroupId) override;
  void quitMessageLoopOnPause() override;
  void muteMetrics(int contextGroupId) override;
  void unmuteMetrics(int contextGroupId) override;
  v8::Local<v8::Context> ensureDefaultContextInGroup(
      int contextGroupId) override;
  void beginEnsureAllContextsInGroup(int contextGroupId) override;
  void endEnsureAllContextsInGroup(int contextGroupId) override;
  bool canExecuteScripts(int contextGroupId) override;
  void runIfWaitingForDebugger(int contextGroupId) override;
  v8::MaybeLocal<v8::Value> memoryInfo(v8::Isolate*,
                                       v8::Local<v8::Context>) override;
  void consoleAPIMessage(int contextGroupId,
                         v8_inspector::V8ConsoleAPIType,
                         const v8_inspector::StringView& message,
                         const v8_inspector::StringView& url,
                         unsigned lineNumber,
                         unsigned columnNumber,
                         v8_inspector::V8StackTrace*) override;

  int m_pausedContextGroupId;
  WTF::HashMap<int, WorkerThread*> m_workerThreads;
};

}  // namespace blink

#endif  // WorkerThreadDebugger_h