The Tor Browser: editor/composer/src/nsComposerCommandsUpdater.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-

     2  *

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

    10 #ifndef nsComposerCommandsUpdater_h__

    11 #define nsComposerCommandsUpdater_h__

    13 #include "nsCOMPtr.h"                   // for already_AddRefed, nsCOMPtr

    14 #include "nsIDocumentStateListener.h"

    15 #include "nsISelectionListener.h"

    16 #include "nsISupportsImpl.h"            // for NS_DECL_ISUPPORTS

    17 #include "nsITimer.h"                   // for NS_DECL_NSITIMERCALLBACK, etc

    18 #include "nsITransactionListener.h"     // for nsITransactionListener

    19 #include "nsIWeakReferenceUtils.h"      // for nsWeakPtr

    20 #include "nscore.h"                     // for NS_IMETHOD, nsresult, etc

    22 class nsIDOMWindow;

    23 class nsITransaction;

    24 class nsITransactionManager;

    25 class nsPICommandUpdater;

    27 class nsComposerCommandsUpdater : public nsISelectionListener,

    28                                   public nsIDocumentStateListener,

    29                                   public nsITransactionListener,

    30                                   public nsITimerCallback

    31 {

    32 public:

    34                                   nsComposerCommandsUpdater();

    35   virtual                         ~nsComposerCommandsUpdater();

    37   // nsISupports

    38   NS_DECL_ISUPPORTS

    40   // nsISelectionListener

    41   NS_DECL_NSISELECTIONLISTENER

    43   // nsIDocumentStateListener

    44   NS_DECL_NSIDOCUMENTSTATELISTENER

    46   // nsITimerCallback interfaces

    47   NS_DECL_NSITIMERCALLBACK

    49   /** nsITransactionListener interfaces

    50     */

    51   NS_IMETHOD WillDo(nsITransactionManager *aManager, nsITransaction *aTransaction, bool *aInterrupt);

    52   NS_IMETHOD DidDo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aDoResult);

    53   NS_IMETHOD WillUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, bool *aInterrupt);

    54   NS_IMETHOD DidUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aUndoResult);

    55   NS_IMETHOD WillRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, bool *aInterrupt);

    56   NS_IMETHOD DidRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aRedoResult);

    57   NS_IMETHOD WillBeginBatch(nsITransactionManager *aManager, bool *aInterrupt);

    58   NS_IMETHOD DidBeginBatch(nsITransactionManager *aManager, nsresult aResult);

    59   NS_IMETHOD WillEndBatch(nsITransactionManager *aManager, bool *aInterrupt);

    60   NS_IMETHOD DidEndBatch(nsITransactionManager *aManager, nsresult aResult);

    61   NS_IMETHOD WillMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,

    62                        nsITransaction *aTransactionToMerge, bool *aInterrupt);

    63   NS_IMETHOD DidMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,

    64                       nsITransaction *aTransactionToMerge,

    65                       bool aDidMerge, nsresult aMergeResult);

    68   nsresult   Init(nsIDOMWindow* aDOMWindow);

    70 protected:

    72   enum {

    73     eStateUninitialized   = -1,

    74     eStateOff             = false,

    75     eStateOn              = true

    76   };

    78   bool          SelectionIsCollapsed();

    79   nsresult      UpdateDirtyState(bool aNowDirty);

    80   nsresult      UpdateOneCommand(const char* aCommand);

    81   nsresult      UpdateCommandGroup(const nsAString& aCommandGroup);

    83   already_AddRefed<nsPICommandUpdater> GetCommandUpdater();

    85   nsresult      PrimeUpdateTimer();

    86   void          TimerCallback();

    87   nsCOMPtr<nsITimer>  mUpdateTimer;

    89   nsWeakPtr     mDOMWindow;

    90   nsWeakPtr     mDocShell;

    91   int8_t        mDirtyState;

    92   int8_t        mSelectionCollapsed;

    93   bool          mFirstDoOfFirstUndo;

    96 };

    98 extern "C" nsresult NS_NewComposerCommandsUpdater(nsISelectionListener** aInstancePtrResult);

   101 #endif // nsComposerCommandsUpdater_h__

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