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comparison: widget/cocoa/nsMenuItemIconX.h
widget/cocoa/nsMenuItemIconX.h
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:8b635c0fbd78 |
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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 * Retrieves and displays icons in native menu items on Mac OS X. | |
| 8 */ | |
| 9 | |
| 10 #ifndef nsMenuItemIconX_h_ | |
| 11 #define nsMenuItemIconX_h_ | |
| 12 | |
| 13 #include "nsCOMPtr.h" | |
| 14 #include "nsAutoPtr.h" | |
| 15 #include "imgINotificationObserver.h" | |
| 16 | |
| 17 class nsIURI; | |
| 18 class nsIContent; | |
| 19 class imgRequestProxy; | |
| 20 class nsMenuObjectX; | |
| 21 | |
| 22 #import <Cocoa/Cocoa.h> | |
| 23 | |
| 24 class nsMenuItemIconX : public imgINotificationObserver | |
| 25 { | |
| 26 public: | |
| 27 nsMenuItemIconX(nsMenuObjectX* aMenuItem, | |
| 28 nsIContent* aContent, | |
| 29 NSMenuItem* aNativeMenuItem); | |
| 30 private: | |
| 31 virtual ~nsMenuItemIconX(); | |
| 32 | |
| 33 public: | |
| 34 NS_DECL_ISUPPORTS | |
| 35 NS_DECL_IMGINOTIFICATIONOBSERVER | |
| 36 | |
| 37 // SetupIcon succeeds if it was able to set up the icon, or if there should | |
| 38 // be no icon, in which case it clears any existing icon but still succeeds. | |
| 39 nsresult SetupIcon(); | |
| 40 | |
| 41 // GetIconURI fails if the item should not have any icon. | |
| 42 nsresult GetIconURI(nsIURI** aIconURI); | |
| 43 | |
| 44 // LoadIcon will set a placeholder image and start a load request for the | |
| 45 // icon. The request may not complete until after LoadIcon returns. | |
| 46 nsresult LoadIcon(nsIURI* aIconURI); | |
| 47 | |
| 48 // Unless we take precautions, we may outlive the object that created us | |
| 49 // (mMenuObject, which owns our native menu item (mNativeMenuItem)). | |
| 50 // Destroy() should be called from mMenuObject's destructor to prevent | |
| 51 // this from happening. See bug 499600. | |
| 52 void Destroy(); | |
| 53 | |
| 54 protected: | |
| 55 nsresult OnStopFrame(imgIRequest* aRequest); | |
| 56 | |
| 57 nsCOMPtr<nsIContent> mContent; | |
| 58 nsRefPtr<imgRequestProxy> mIconRequest; | |
| 59 nsMenuObjectX* mMenuObject; // [weak] | |
| 60 nsIntRect mImageRegionRect; | |
| 61 bool mLoadedIcon; | |
| 62 bool mSetIcon; | |
| 63 NSMenuItem* mNativeMenuItem; // [weak] | |
| 64 }; | |
| 65 | |
| 66 #endif // nsMenuItemIconX_h_ |
