The Tor Browser / file comparison
comparison: layout/xul/nsMenuBarFrame.h
layout/xul/nsMenuBarFrame.h
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
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| -1:000000000000 | 0:f1f47dda4c31 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 // | |
| 7 // nsMenuBarFrame | |
| 8 // | |
| 9 | |
| 10 #ifndef nsMenuBarFrame_h__ | |
| 11 #define nsMenuBarFrame_h__ | |
| 12 | |
| 13 #include "mozilla/Attributes.h" | |
| 14 #include "nsIAtom.h" | |
| 15 #include "nsCOMPtr.h" | |
| 16 #include "nsBoxFrame.h" | |
| 17 #include "nsMenuFrame.h" | |
| 18 #include "nsMenuBarListener.h" | |
| 19 #include "nsMenuParent.h" | |
| 20 | |
| 21 class nsIContent; | |
| 22 | |
| 23 nsIFrame* NS_NewMenuBarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); | |
| 24 | |
| 25 class nsMenuBarFrame : public nsBoxFrame, public nsMenuParent | |
| 26 { | |
| 27 public: | |
| 28 NS_DECL_QUERYFRAME_TARGET(nsMenuBarFrame) | |
| 29 NS_DECL_QUERYFRAME | |
| 30 NS_DECL_FRAMEARENA_HELPERS | |
| 31 | |
| 32 nsMenuBarFrame(nsIPresShell* aShell, nsStyleContext* aContext); | |
| 33 | |
| 34 // nsMenuParent interface | |
| 35 virtual nsMenuFrame* GetCurrentMenuItem() MOZ_OVERRIDE; | |
| 36 NS_IMETHOD SetCurrentMenuItem(nsMenuFrame* aMenuItem) MOZ_OVERRIDE; | |
| 37 virtual void CurrentMenuIsBeingDestroyed() MOZ_OVERRIDE; | |
| 38 NS_IMETHOD ChangeMenuItem(nsMenuFrame* aMenuItem, bool aSelectFirstItem) MOZ_OVERRIDE; | |
| 39 | |
| 40 NS_IMETHOD SetActive(bool aActiveFlag) MOZ_OVERRIDE; | |
| 41 | |
| 42 virtual bool IsMenuBar() MOZ_OVERRIDE { return true; } | |
| 43 virtual bool IsContextMenu() MOZ_OVERRIDE { return false; } | |
| 44 virtual bool IsActive() MOZ_OVERRIDE { return mIsActive; } | |
| 45 virtual bool IsMenu() MOZ_OVERRIDE { return false; } | |
| 46 virtual bool IsOpen() MOZ_OVERRIDE { return true; } // menubars are considered always open | |
| 47 | |
| 48 bool IsMenuOpen() { return mCurrentMenu && mCurrentMenu->IsOpen(); } | |
| 49 | |
| 50 void InstallKeyboardNavigator(); | |
| 51 void RemoveKeyboardNavigator(); | |
| 52 | |
| 53 virtual void Init(nsIContent* aContent, | |
| 54 nsIFrame* aParent, | |
| 55 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; | |
| 56 | |
| 57 virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE; | |
| 58 | |
| 59 virtual void LockMenuUntilClosed(bool aLock) MOZ_OVERRIDE {} | |
| 60 virtual bool IsMenuLocked() MOZ_OVERRIDE { return false; } | |
| 61 | |
| 62 // Non-interface helpers | |
| 63 | |
| 64 // The 'stay active' flag is set when navigating from one top-level menu | |
| 65 // to another, to prevent the menubar from deactivating and submenus from | |
| 66 // firing extra DOMMenuItemActive events. | |
| 67 bool GetStayActive() { return mStayActive; } | |
| 68 void SetStayActive(bool aStayActive) { mStayActive = aStayActive; } | |
| 69 | |
| 70 // Called when a menu on the menu bar is clicked on. Returns a menu if one | |
| 71 // needs to be closed. | |
| 72 nsMenuFrame* ToggleMenuActiveState(); | |
| 73 | |
| 74 bool IsActiveByKeyboard() { return mActiveByKeyboard; } | |
| 75 void SetActiveByKeyboard() { mActiveByKeyboard = true; } | |
| 76 | |
| 77 // indicate that a menu on the menubar was closed. Returns true if the caller | |
| 78 // may deselect the menuitem. | |
| 79 virtual bool MenuClosed() MOZ_OVERRIDE; | |
| 80 | |
| 81 // Called when Enter is pressed while the menubar is focused. If the current | |
| 82 // menu is open, let the child handle the key. | |
| 83 nsMenuFrame* Enter(mozilla::WidgetGUIEvent* aEvent); | |
| 84 | |
| 85 // Used to handle ALT+key combos | |
| 86 nsMenuFrame* FindMenuWithShortcut(nsIDOMKeyEvent* aKeyEvent); | |
| 87 | |
| 88 virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE | |
| 89 { | |
| 90 // Override bogus IsFrameOfType in nsBoxFrame. | |
| 91 if (aFlags & (nsIFrame::eReplacedContainsBlock | nsIFrame::eReplaced)) | |
| 92 return false; | |
| 93 return nsBoxFrame::IsFrameOfType(aFlags); | |
| 94 } | |
| 95 | |
| 96 #ifdef DEBUG_FRAME_DUMP | |
| 97 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE | |
| 98 { | |
| 99 return MakeFrameName(NS_LITERAL_STRING("MenuBar"), aResult); | |
| 100 } | |
| 101 #endif | |
| 102 | |
| 103 protected: | |
| 104 nsMenuBarListener* mMenuBarListener; // The listener that tells us about key and mouse events. | |
| 105 | |
| 106 // flag that is temporarily set when switching from one menu on the menubar to another | |
| 107 // to indicate that the menubar should not be deactivated. | |
| 108 bool mStayActive; | |
| 109 | |
| 110 bool mIsActive; // Whether or not the menu bar is active (a menu item is highlighted or shown). | |
| 111 | |
| 112 // whether the menubar was made active via the keyboard. | |
| 113 bool mActiveByKeyboard; | |
| 114 | |
| 115 // The current menu that is active (highlighted), which may not be open. This will | |
| 116 // be null if no menu is active. | |
| 117 nsMenuFrame* mCurrentMenu; | |
| 118 | |
| 119 mozilla::dom::EventTarget* mTarget; | |
| 120 | |
| 121 }; // class nsMenuBarFrame | |
| 122 | |
| 123 #endif |
