editor/composer/nsComposerCommandsUpdater.h
author Ehsan Akhgari <ehsan@mozilla.com>
Sat, 21 Mar 2015 12:28:04 -0400
changeset 252249 ac4464790ec4896a5188fa50cfc69ae0ffeddc08
parent 235471 bfe58aa1f2487487bfce769360f94aba49b78f88
child 268400 f2a922fd623e11743f1f2d5379799dab857e4893
permissions -rw-r--r--
Bug 1145631 - Part 1: Replace MOZ_OVERRIDE and MOZ_FINAL with override and final in the tree; r=froydnj This patch was automatically generated using the following script: function convert() { echo "Converting $1 to $2..." find . \ ! -wholename "*/.git*" \ ! -wholename "obj-ff-dbg*" \ -type f \ \( -iname "*.cpp" \ -o -iname "*.h" \ -o -iname "*.c" \ -o -iname "*.cc" \ -o -iname "*.idl" \ -o -iname "*.ipdl" \ -o -iname "*.ipdlh" \ -o -iname "*.mm" \) | \ xargs -n 1 sed -i -e "s/\b$1\b/$2/g" } convert MOZ_OVERRIDE override convert MOZ_FINAL final

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

#include "nsCOMPtr.h"                   // for already_AddRefed, nsCOMPtr
#include "nsIDocumentStateListener.h"
#include "nsISelectionListener.h"
#include "nsISupportsImpl.h"            // for NS_DECL_ISUPPORTS
#include "nsITimer.h"                   // for NS_DECL_NSITIMERCALLBACK, etc
#include "nsITransactionListener.h"     // for nsITransactionListener
#include "nsIWeakReferenceUtils.h"      // for nsWeakPtr
#include "nscore.h"                     // for NS_IMETHOD, nsresult, etc

class nsIDOMWindow;
class nsITransaction;
class nsITransactionManager;
class nsPICommandUpdater;

class nsComposerCommandsUpdater : public nsISelectionListener,
                                  public nsIDocumentStateListener,
                                  public nsITransactionListener,
                                  public nsITimerCallback
{
public:

                                  nsComposerCommandsUpdater();

  // nsISupports
  NS_DECL_ISUPPORTS
  
  // nsISelectionListener
  NS_DECL_NSISELECTIONLISTENER
  
  // nsIDocumentStateListener
  NS_DECL_NSIDOCUMENTSTATELISTENER

  // nsITimerCallback interfaces
  NS_DECL_NSITIMERCALLBACK

  /** nsITransactionListener interfaces
    */  
  NS_IMETHOD WillDo(nsITransactionManager *aManager, nsITransaction *aTransaction, bool *aInterrupt) override;
  NS_IMETHOD DidDo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aDoResult) override;
  NS_IMETHOD WillUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, bool *aInterrupt) override;
  NS_IMETHOD DidUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aUndoResult) override;
  NS_IMETHOD WillRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, bool *aInterrupt) override;
  NS_IMETHOD DidRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aRedoResult) override;
  NS_IMETHOD WillBeginBatch(nsITransactionManager *aManager, bool *aInterrupt) override;
  NS_IMETHOD DidBeginBatch(nsITransactionManager *aManager, nsresult aResult) override;
  NS_IMETHOD WillEndBatch(nsITransactionManager *aManager, bool *aInterrupt) override;
  NS_IMETHOD DidEndBatch(nsITransactionManager *aManager, nsresult aResult) override;
  NS_IMETHOD WillMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,
                       nsITransaction *aTransactionToMerge, bool *aInterrupt) override;
  NS_IMETHOD DidMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,
                      nsITransaction *aTransactionToMerge,
                      bool aDidMerge, nsresult aMergeResult) override;


  nsresult   Init(nsIDOMWindow* aDOMWindow);

protected:

  virtual ~nsComposerCommandsUpdater();

  enum {
    eStateUninitialized   = -1,
    eStateOff             = false,
    eStateOn              = true
  };
  
  bool          SelectionIsCollapsed();
  nsresult      UpdateDirtyState(bool aNowDirty);  
  nsresult      UpdateOneCommand(const char* aCommand);
  nsresult      UpdateCommandGroup(const nsAString& aCommandGroup);

  already_AddRefed<nsPICommandUpdater> GetCommandUpdater();
  
  nsresult      PrimeUpdateTimer();
  void          TimerCallback();
  nsCOMPtr<nsITimer>  mUpdateTimer;

  nsWeakPtr     mDOMWindow;
  nsWeakPtr     mDocShell;
  int8_t        mDirtyState;  
  int8_t        mSelectionCollapsed;  
  bool          mFirstDoOfFirstUndo;
    

};

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


#endif // nsComposerCommandsUpdater_h__