editor/composer/src/nsComposerCommandsUpdater.h

branch
TOR_BUG_3246
changeset 7
129ffea94266
equal deleted inserted replaced
-1:000000000000 0:213824bd1055
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/. */
6
7
8
9
10 #ifndef nsComposerCommandsUpdater_h__
11 #define nsComposerCommandsUpdater_h__
12
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
21
22 class nsIDOMWindow;
23 class nsITransaction;
24 class nsITransactionManager;
25 class nsPICommandUpdater;
26
27 class nsComposerCommandsUpdater : public nsISelectionListener,
28 public nsIDocumentStateListener,
29 public nsITransactionListener,
30 public nsITimerCallback
31 {
32 public:
33
34 nsComposerCommandsUpdater();
35 virtual ~nsComposerCommandsUpdater();
36
37 // nsISupports
38 NS_DECL_ISUPPORTS
39
40 // nsISelectionListener
41 NS_DECL_NSISELECTIONLISTENER
42
43 // nsIDocumentStateListener
44 NS_DECL_NSIDOCUMENTSTATELISTENER
45
46 // nsITimerCallback interfaces
47 NS_DECL_NSITIMERCALLBACK
48
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);
66
67
68 nsresult Init(nsIDOMWindow* aDOMWindow);
69
70 protected:
71
72 enum {
73 eStateUninitialized = -1,
74 eStateOff = false,
75 eStateOn = true
76 };
77
78 bool SelectionIsCollapsed();
79 nsresult UpdateDirtyState(bool aNowDirty);
80 nsresult UpdateOneCommand(const char* aCommand);
81 nsresult UpdateCommandGroup(const nsAString& aCommandGroup);
82
83 already_AddRefed<nsPICommandUpdater> GetCommandUpdater();
84
85 nsresult PrimeUpdateTimer();
86 void TimerCallback();
87 nsCOMPtr<nsITimer> mUpdateTimer;
88
89 nsWeakPtr mDOMWindow;
90 nsWeakPtr mDocShell;
91 int8_t mDirtyState;
92 int8_t mSelectionCollapsed;
93 bool mFirstDoOfFirstUndo;
94
95
96 };
97
98 extern "C" nsresult NS_NewComposerCommandsUpdater(nsISelectionListener** aInstancePtrResult);
99
100
101 #endif // nsComposerCommandsUpdater_h__

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