1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/editor/composer/src/nsComposerCommandsUpdater.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,101 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + *
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +
1.11 +
1.12 +
1.13 +#ifndef nsComposerCommandsUpdater_h__
1.14 +#define nsComposerCommandsUpdater_h__
1.15 +
1.16 +#include "nsCOMPtr.h" // for already_AddRefed, nsCOMPtr
1.17 +#include "nsIDocumentStateListener.h"
1.18 +#include "nsISelectionListener.h"
1.19 +#include "nsISupportsImpl.h" // for NS_DECL_ISUPPORTS
1.20 +#include "nsITimer.h" // for NS_DECL_NSITIMERCALLBACK, etc
1.21 +#include "nsITransactionListener.h" // for nsITransactionListener
1.22 +#include "nsIWeakReferenceUtils.h" // for nsWeakPtr
1.23 +#include "nscore.h" // for NS_IMETHOD, nsresult, etc
1.24 +
1.25 +class nsIDOMWindow;
1.26 +class nsITransaction;
1.27 +class nsITransactionManager;
1.28 +class nsPICommandUpdater;
1.29 +
1.30 +class nsComposerCommandsUpdater : public nsISelectionListener,
1.31 + public nsIDocumentStateListener,
1.32 + public nsITransactionListener,
1.33 + public nsITimerCallback
1.34 +{
1.35 +public:
1.36 +
1.37 + nsComposerCommandsUpdater();
1.38 + virtual ~nsComposerCommandsUpdater();
1.39 +
1.40 + // nsISupports
1.41 + NS_DECL_ISUPPORTS
1.42 +
1.43 + // nsISelectionListener
1.44 + NS_DECL_NSISELECTIONLISTENER
1.45 +
1.46 + // nsIDocumentStateListener
1.47 + NS_DECL_NSIDOCUMENTSTATELISTENER
1.48 +
1.49 + // nsITimerCallback interfaces
1.50 + NS_DECL_NSITIMERCALLBACK
1.51 +
1.52 + /** nsITransactionListener interfaces
1.53 + */
1.54 + NS_IMETHOD WillDo(nsITransactionManager *aManager, nsITransaction *aTransaction, bool *aInterrupt);
1.55 + NS_IMETHOD DidDo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aDoResult);
1.56 + NS_IMETHOD WillUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, bool *aInterrupt);
1.57 + NS_IMETHOD DidUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aUndoResult);
1.58 + NS_IMETHOD WillRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, bool *aInterrupt);
1.59 + NS_IMETHOD DidRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aRedoResult);
1.60 + NS_IMETHOD WillBeginBatch(nsITransactionManager *aManager, bool *aInterrupt);
1.61 + NS_IMETHOD DidBeginBatch(nsITransactionManager *aManager, nsresult aResult);
1.62 + NS_IMETHOD WillEndBatch(nsITransactionManager *aManager, bool *aInterrupt);
1.63 + NS_IMETHOD DidEndBatch(nsITransactionManager *aManager, nsresult aResult);
1.64 + NS_IMETHOD WillMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,
1.65 + nsITransaction *aTransactionToMerge, bool *aInterrupt);
1.66 + NS_IMETHOD DidMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,
1.67 + nsITransaction *aTransactionToMerge,
1.68 + bool aDidMerge, nsresult aMergeResult);
1.69 +
1.70 +
1.71 + nsresult Init(nsIDOMWindow* aDOMWindow);
1.72 +
1.73 +protected:
1.74 +
1.75 + enum {
1.76 + eStateUninitialized = -1,
1.77 + eStateOff = false,
1.78 + eStateOn = true
1.79 + };
1.80 +
1.81 + bool SelectionIsCollapsed();
1.82 + nsresult UpdateDirtyState(bool aNowDirty);
1.83 + nsresult UpdateOneCommand(const char* aCommand);
1.84 + nsresult UpdateCommandGroup(const nsAString& aCommandGroup);
1.85 +
1.86 + already_AddRefed<nsPICommandUpdater> GetCommandUpdater();
1.87 +
1.88 + nsresult PrimeUpdateTimer();
1.89 + void TimerCallback();
1.90 + nsCOMPtr<nsITimer> mUpdateTimer;
1.91 +
1.92 + nsWeakPtr mDOMWindow;
1.93 + nsWeakPtr mDocShell;
1.94 + int8_t mDirtyState;
1.95 + int8_t mSelectionCollapsed;
1.96 + bool mFirstDoOfFirstUndo;
1.97 +
1.98 +
1.99 +};
1.100 +
1.101 +extern "C" nsresult NS_NewComposerCommandsUpdater(nsISelectionListener** aInstancePtrResult);
1.102 +
1.103 +
1.104 +#endif // nsComposerCommandsUpdater_h__
