third_party/WebKit/Source/core/workers/WorkerObjectProxy.h - Issue 1897193002: Worker: Rename worker components to clarify what they work for (part 2)

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Issue 1897193002: Worker: Rename worker components to clarify what they work for (part 2) (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 8 months ago

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1 /*

2 * Copyright (C) 2009 Google Inc. All rights reserved.

3 *

4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are

6 * met:

7 *

8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above

11 * copyright notice, this list of conditions and the following disclaimer

12 * in the documentation and/or other materials provided with the

13 * distribution.

14 * * Neither the name of Google Inc. nor the names of its

15 * contributors may be used to endorse or promote products derived from

16 * this software without specific prior written permission.

17 *

18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29 */

30

31 #ifndef WorkerObjectProxy_h

32 #define WorkerObjectProxy_h

33

34 #include "core/CoreExport.h"

35 #include "core/dom/MessagePort.h"

36 #include "core/workers/WorkerReportingProxy.h"

37 #include "platform/heap/Handle.h"

38 #include "wtf/PassOwnPtr.h"

39 #include "wtf/PassRefPtr.h"

40

41 namespace blink {

42

43 class ConsoleMessage;

44 class ExecutionContext;

45 class ExecutionContextTask;

46 class InProcessWorkerMessagingProxy;

47

48 // A proxy to talk to the worker object. This object is created on the

49 // worker object thread (i.e. usually the main thread), passed on to

50 // the worker thread, and used just to proxy messages to the

51 // InProcessWorkerMessagingProxy on the worker object thread.

52 //

53 // Used only by in-process workers (DedicatedWorker and CompositorWorker.)

54 class CORE_EXPORT WorkerObjectProxy : public WorkerReportingProxy {

55 USING_FAST_MALLOC(WorkerObjectProxy);

56 WTF_MAKE_NONCOPYABLE(WorkerObjectProxy);

57 public:

58 static PassOwnPtr<WorkerObjectProxy> create(InProcessWorkerMessagingProxy*);

59 ~WorkerObjectProxy() override { }

60

61 void postMessageToWorkerObject(PassRefPtr<SerializedScriptValue>, PassOwnPtr <MessagePortChannelArray>);

62 void postTaskToMainExecutionContext(PassOwnPtr<ExecutionContextTask>);

63 void confirmMessageFromWorkerObject(bool hasPendingActivity);

64 void reportPendingActivity(bool hasPendingActivity);

65

66 // WorkerReportingProxy overrides.

67 void reportException(const String& errorMessage, int lineNumber, int columnN umber, const String& sourceURL, int exceptionId) override;

68 void reportConsoleMessage(ConsoleMessage*) override;

69 void postMessageToPageInspector(const String&) override;

70 void postWorkerConsoleAgentEnabled() override;

71 void didEvaluateWorkerScript(bool success) override { }

72 void workerGlobalScopeStarted(WorkerGlobalScope*) override { }

73 void workerGlobalScopeClosed() override;

74 void workerThreadTerminated() override;

75 void willDestroyWorkerGlobalScope() override { }

76

77 protected:

78 WorkerObjectProxy(InProcessWorkerMessagingProxy*);

79 virtual ExecutionContext* getExecutionContext();

80

81 private:

82 // This object always outlives this proxy.

83 InProcessWorkerMessagingProxy* m_messagingProxy;

84 };

85

86 } // namespace blink

87

88 #endif // WorkerObjectProxy_h

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