The Tor Browser / file comparison
comparison: dom/xbl/nsXBLService.h
dom/xbl/nsXBLService.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:0913b3a48831 |
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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 | |
| 8 #ifndef nsXBLService_h_ | |
| 9 #define nsXBLService_h_ | |
| 10 | |
| 11 #include "nsString.h" | |
| 12 #include "nsWeakReference.h" | |
| 13 #include "nsTArray.h" | |
| 14 #include "nsDataHashtable.h" | |
| 15 #include "nsHashKeys.h" | |
| 16 | |
| 17 class nsXBLBinding; | |
| 18 class nsXBLDocumentInfo; | |
| 19 class nsIContent; | |
| 20 class nsIDocument; | |
| 21 class nsString; | |
| 22 class nsIURI; | |
| 23 class nsIPrincipal; | |
| 24 | |
| 25 namespace mozilla { | |
| 26 namespace dom { | |
| 27 class EventTarget; | |
| 28 } | |
| 29 } | |
| 30 | |
| 31 class nsXBLService MOZ_FINAL : public nsSupportsWeakReference | |
| 32 { | |
| 33 NS_DECL_ISUPPORTS | |
| 34 | |
| 35 static nsXBLService* gInstance; | |
| 36 | |
| 37 static void Init(); | |
| 38 | |
| 39 static void Shutdown() { | |
| 40 NS_IF_RELEASE(gInstance); | |
| 41 } | |
| 42 | |
| 43 static nsXBLService* GetInstance() { return gInstance; } | |
| 44 | |
| 45 static bool IsChromeOrResourceURI(nsIURI* aURI); | |
| 46 | |
| 47 // This function loads a particular XBL file and installs all of the bindings | |
| 48 // onto the element. aOriginPrincipal must not be null here. | |
| 49 nsresult LoadBindings(nsIContent* aContent, nsIURI* aURL, | |
| 50 nsIPrincipal* aOriginPrincipal, | |
| 51 nsXBLBinding** aBinding, bool* aResolveStyle); | |
| 52 | |
| 53 // Indicates whether or not a binding is fully loaded. | |
| 54 nsresult BindingReady(nsIContent* aBoundElement, nsIURI* aURI, bool* aIsReady); | |
| 55 | |
| 56 // This method checks the hashtable and then calls FetchBindingDocument on a | |
| 57 // miss. aOriginPrincipal or aBoundDocument may be null to bypass security | |
| 58 // checks. | |
| 59 nsresult LoadBindingDocumentInfo(nsIContent* aBoundElement, | |
| 60 nsIDocument* aBoundDocument, | |
| 61 nsIURI* aBindingURI, | |
| 62 nsIPrincipal* aOriginPrincipal, | |
| 63 bool aForceSyncLoad, | |
| 64 nsXBLDocumentInfo** aResult); | |
| 65 | |
| 66 // Used by XUL key bindings and for window XBL. | |
| 67 static nsresult AttachGlobalKeyHandler(mozilla::dom::EventTarget* aTarget); | |
| 68 static nsresult DetachGlobalKeyHandler(mozilla::dom::EventTarget* aTarget); | |
| 69 | |
| 70 private: | |
| 71 nsXBLService(); | |
| 72 virtual ~nsXBLService(); | |
| 73 | |
| 74 protected: | |
| 75 // This function clears out the bindings on a given content node. | |
| 76 nsresult FlushStyleBindings(nsIContent* aContent); | |
| 77 | |
| 78 // This method synchronously loads and parses an XBL file. | |
| 79 nsresult FetchBindingDocument(nsIContent* aBoundElement, nsIDocument* aBoundDocument, | |
| 80 nsIURI* aDocumentURI, nsIURI* aBindingURI, | |
| 81 bool aForceSyncLoad, nsIDocument** aResult); | |
| 82 | |
| 83 /** | |
| 84 * This method calls the one below with an empty |aDontExtendURIs| array. | |
| 85 */ | |
| 86 nsresult GetBinding(nsIContent* aBoundElement, nsIURI* aURI, | |
| 87 bool aPeekFlag, nsIPrincipal* aOriginPrincipal, | |
| 88 bool* aIsReady, nsXBLBinding** aResult); | |
| 89 | |
| 90 /** | |
| 91 * This method loads a binding doc and then builds the specific binding | |
| 92 * required. It can also peek without building. | |
| 93 * @param aBoundElement the element to get a binding for | |
| 94 * @param aURI the binding URI | |
| 95 * @param aPeekFlag if true then just peek to see if the binding is ready | |
| 96 * @param aIsReady [out] if the binding is ready or not | |
| 97 * @param aResult [out] where to store the resulting binding (not used if | |
| 98 * aPeekFlag is true, otherwise it must be non-null) | |
| 99 * @param aDontExtendURIs a set of URIs that are already bound to this | |
| 100 * element. If a binding extends any of these then further loading | |
| 101 * is aborted (because it would lead to the binding extending itself) | |
| 102 * and NS_ERROR_ILLEGAL_VALUE is returned. | |
| 103 * | |
| 104 * @note This method always calls LoadBindingDocumentInfo(), so it's | |
| 105 * enough to funnel all security checks through that function. | |
| 106 */ | |
| 107 nsresult GetBinding(nsIContent* aBoundElement, nsIURI* aURI, | |
| 108 bool aPeekFlag, nsIPrincipal* aOriginPrincipal, | |
| 109 bool* aIsReady, nsXBLBinding** aResult, | |
| 110 nsTArray<nsIURI*>& aDontExtendURIs); | |
| 111 | |
| 112 // MEMBER VARIABLES | |
| 113 public: | |
| 114 static bool gDisableChromeCache; | |
| 115 static bool gAllowDataURIs; // Whether we should allow data | |
| 116 // urls in -moz-binding. Needed for | |
| 117 // testing. | |
| 118 }; | |
| 119 | |
| 120 #endif |
