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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef MediaRecorder_h |
| 6 #define MediaRecorder_h |
| 7 |
| 8 #include "core/dom/ActiveDOMObject.h" |
| 9 #include "core/events/EventTarget.h" |
| 10 #include "modules/EventTargetModules.h" |
| 11 #include "modules/mediastream/MediaStream.h" |
| 12 #include "modules/ModulesExport.h" |
| 13 #include "platform/AsyncMethodRunner.h" |
| 14 #include "public/platform/WebMediaRecorderHandler.h" |
| 15 #include "public/platform/WebMediaRecorderHandlerClient.h" |
| 16 |
| 17 namespace blink { |
| 18 |
| 19 class BlobData; |
| 20 class ExceptionState; |
| 21 |
| 22 class MODULES_EXPORT MediaRecorder final |
| 23 : public RefCountedGarbageCollectedEventTargetWithInlineData<MediaRecorder> |
| 24 , public WebMediaRecorderHandlerClient |
| 25 , public ActiveDOMObject { |
| 26 REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(MediaRecorder); |
| 27 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MediaRecorder); |
| 28 DEFINE_WRAPPERTYPEINFO(); |
| 29 public: |
| 30 enum class State { |
| 31 Inactive = 0, |
| 32 Recording, |
| 33 Paused |
| 34 }; |
| 35 |
| 36 static MediaRecorder* create(ExecutionContext*, MediaStream*, ExceptionState
&); |
| 37 static MediaRecorder* create(ExecutionContext*, MediaStream*, const String&
mimeType, ExceptionState&); |
| 38 |
| 39 virtual ~MediaRecorder() {} |
| 40 |
| 41 MediaStream* stream() const { return m_stream.get(); } |
| 42 const String& mimeType() const { return m_mimeType; } |
| 43 String state() const; |
| 44 |
| 45 DEFINE_ATTRIBUTE_EVENT_LISTENER(start); |
| 46 DEFINE_ATTRIBUTE_EVENT_LISTENER(stop); |
| 47 DEFINE_ATTRIBUTE_EVENT_LISTENER(dataavailable); |
| 48 DEFINE_ATTRIBUTE_EVENT_LISTENER(pause); |
| 49 DEFINE_ATTRIBUTE_EVENT_LISTENER(resume); |
| 50 DEFINE_ATTRIBUTE_EVENT_LISTENER(error); |
| 51 |
| 52 bool ignoreMutedMedia() const { return m_ignoreMutedMedia; } |
| 53 void setIgnoreMutedMedia(bool ignoreMutedMedia) { m_ignoreMutedMedia = ignor
eMutedMedia; } |
| 54 |
| 55 void start(ExceptionState&); |
| 56 void start(int timeSlice, ExceptionState&); |
| 57 void stop(ExceptionState&); |
| 58 void pause(ExceptionState&); |
| 59 void resume(ExceptionState&); |
| 60 void requestData(ExceptionState&); |
| 61 |
| 62 static String canRecordMimeType(const String& mimeType); |
| 63 |
| 64 // EventTarget |
| 65 virtual const AtomicString& interfaceName() const override; |
| 66 virtual ExecutionContext* executionContext() const override; |
| 67 |
| 68 // ActiveDOMObject |
| 69 virtual void suspend() override { m_dispatchScheduledEventRunner.suspend();
} |
| 70 virtual void resume() override { m_dispatchScheduledEventRunner.resume(); } |
| 71 virtual void stop() override; |
| 72 virtual bool hasPendingActivity() const override { return !m_stopped; } |
| 73 |
| 74 // WebMediaRecorderHandlerClient |
| 75 virtual void writeData(const char* data, size_t length, bool lastInSlice) ov
erride; |
| 76 virtual void failOutOfMemory(const WebString& message) override; |
| 77 virtual void failIllegalStreamModification(const WebString& message) overrid
e; |
| 78 virtual void failOtherRecordingError(const WebString& message) override; |
| 79 |
| 80 DECLARE_VIRTUAL_TRACE(); |
| 81 |
| 82 private: |
| 83 MediaRecorder(ExecutionContext*, MediaStream*, const String& mimeType, Excep
tionState&); |
| 84 |
| 85 void createBlobEvent(PassOwnPtr<BlobData> blobData); |
| 86 |
| 87 void doStop(); |
| 88 void scheduleDispatchEvent(PassRefPtrWillBeRawPtr<Event>); |
| 89 void dispatchScheduledEvent(); |
| 90 |
| 91 Member<MediaStream> m_stream; |
| 92 String m_mimeType; |
| 93 bool m_stopped; |
| 94 bool m_ignoreMutedMedia; |
| 95 |
| 96 State m_state; |
| 97 |
| 98 OwnPtr<WebMediaRecorderHandler> m_recorderHandler; |
| 99 |
| 100 AsyncMethodRunner<MediaRecorder> m_dispatchScheduledEventRunner; |
| 101 WillBeHeapVector<RefPtrWillBeMember<Event>> m_scheduledEvents; |
| 102 }; |
| 103 |
| 104 } // namespace blink |
| 105 |
| 106 #endif // MediaRecorder_h |
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