1 files changed, 128 insertions, 0 deletions
diff --git a/dom/media/webspeech/synth/nsSpeechTask.h b/dom/media/webspeech/synth/nsSpeechTask.h
new file mode 100644
index 0000000000..fc121cf8f1
--- /dev/null
+++ b/dom/media/webspeech/synth/nsSpeechTask.h
@@ -0,0 +1,128 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_nsSpeechTask_h
+#define mozilla_dom_nsSpeechTask_h
+
+#include "SpeechSynthesisUtterance.h"
+#include "AudioChannelAgent.h"
+#include "nsISpeechService.h"
+#include "nsWeakReference.h"
+
+namespace mozilla {
+
+class SharedBuffer;
+
+namespace dom {
+
+class SpeechSynthesisUtterance;
+class SpeechSynthesis;
+
+class nsSpeechTask : public nsISpeechTask,
+                     public nsIAudioChannelAgentCallback,
+                     public nsSupportsWeakReference {
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsSpeechTask, nsISpeechTask)
+
+  NS_DECL_NSISPEECHTASK
+  NS_DECL_NSIAUDIOCHANNELAGENTCALLBACK
+
+  explicit nsSpeechTask(SpeechSynthesisUtterance* aUtterance,
+                        bool aShouldResistFingerprinting);
+  nsSpeechTask(float aVolume, const nsAString& aText,
+               bool aShouldResistFingerprinting);
+
+  virtual void Pause();
+
+  virtual void Resume();
+
+  virtual void Cancel();
+
+  virtual void ForceEnd();
+
+  void SetSpeechSynthesis(SpeechSynthesis* aSpeechSynthesis);
+
+  void Init();
+
+  void SetChosenVoiceURI(const nsAString& aUri);
+
+  virtual void SetAudioOutputVolume(float aVolume);
+
+  void ForceError(float aElapsedTime, uint32_t aCharIndex);
+
+  bool IsPreCanceled() { return mPreCanceled; };
+
+  bool IsPrePaused() { return mPrePaused; }
+
+  bool ShouldResistFingerprinting() { return mShouldResistFingerprinting; }
+
+  enum { STATE_PENDING, STATE_SPEAKING, STATE_ENDED };
+
+  uint32_t GetState() const { return mState; }
+
+  bool IsSpeaking() const { return mState == STATE_SPEAKING; }
+
+  bool IsPending() const { return mState == STATE_PENDING; }
+
+ protected:
+  virtual ~nsSpeechTask();
+
+  nsresult DispatchStartImpl();
+
+  virtual nsresult DispatchStartImpl(const nsAString& aUri);
+
+  virtual nsresult DispatchEndImpl(float aElapsedTime, uint32_t aCharIndex);
+
+  virtual nsresult DispatchPauseImpl(float aElapsedTime, uint32_t aCharIndex);
+
+  virtual nsresult DispatchResumeImpl(float aElapsedTime, uint32_t aCharIndex);
+
+  virtual nsresult DispatchErrorImpl(float aElapsedTime, uint32_t aCharIndex);
+
+  virtual nsresult DispatchBoundaryImpl(const nsAString& aName,
+                                        float aElapsedTime, uint32_t aCharIndex,
+                                        uint32_t aCharLength, uint8_t argc);
+
+  virtual nsresult DispatchMarkImpl(const nsAString& aName, float aElapsedTime,
+                                    uint32_t aCharIndex);
+
+  RefPtr<SpeechSynthesisUtterance> mUtterance;
+
+  float mVolume;
+
+  nsString mText;
+
+  bool mInited;
+
+  bool mPrePaused;
+
+  bool mPreCanceled;
+
+ private:
+  void End();
+
+  void CreateAudioChannelAgent();
+
+  void DestroyAudioChannelAgent();
+
+  nsCOMPtr<nsISpeechTaskCallback> mCallback;
+
+  RefPtr<mozilla::dom::AudioChannelAgent> mAudioChannelAgent;
+
+  RefPtr<SpeechSynthesis> mSpeechSynthesis;
+
+  nsString mChosenVoiceURI;
+
+  bool mShouldResistFingerprinting;
+
+  uint32_t mState;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif