michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsHtml5TreeOpStage_h
michael@0: #define nsHtml5TreeOpStage_h
michael@0: 
michael@0: #include "mozilla/Mutex.h"
michael@0: #include "nsHtml5TreeOperation.h"
michael@0: #include "nsTArray.h"
michael@0: #include "nsAHtml5TreeOpSink.h"
michael@0: #include "nsHtml5SpeculativeLoad.h"
michael@0: 
michael@0: class nsHtml5TreeOpStage : public nsAHtml5TreeOpSink {
michael@0:   public:
michael@0:   
michael@0:     nsHtml5TreeOpStage();
michael@0:     
michael@0:     virtual ~nsHtml5TreeOpStage();
michael@0:   
michael@0:     /**
michael@0:      * Flush the operations from the tree operations from the argument
michael@0:      * queue unconditionally.
michael@0:      */
michael@0:     virtual void MoveOpsFrom(nsTArray<nsHtml5TreeOperation>& aOpQueue);
michael@0:     
michael@0:     /**
michael@0:      * Retrieve the staged operations and speculative loads into the arguments.
michael@0:      */
michael@0:     void MoveOpsAndSpeculativeLoadsTo(nsTArray<nsHtml5TreeOperation>& aOpQueue,
michael@0:         nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);
michael@0: 
michael@0:     /**
michael@0:      * Move the speculative loads from the argument into the staging queue.
michael@0:      */
michael@0:     void MoveSpeculativeLoadsFrom(nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);
michael@0: 
michael@0:     /**
michael@0:      * Retrieve the staged speculative loads into the argument.
michael@0:      */
michael@0:     void MoveSpeculativeLoadsTo(nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);
michael@0: 
michael@0: #ifdef DEBUG
michael@0:     void AssertEmpty();
michael@0: #endif
michael@0: 
michael@0:   private:
michael@0:     nsTArray<nsHtml5TreeOperation> mOpQueue;
michael@0:     nsTArray<nsHtml5SpeculativeLoad> mSpeculativeLoadQueue;
michael@0:     mozilla::Mutex mMutex;
michael@0:     
michael@0: };
michael@0: 
michael@0: #endif /* nsHtml5TreeOpStage_h */