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dom/xbl/nsXBLService.h@129ffea94266 (annotated)

dom/xbl/nsXBLService.h

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	//////////////////////////////////////////////////////////////////////////////////////////
michael@0	7
michael@0	8	#ifndef nsXBLService_h_
michael@0	9	#define nsXBLService_h_
michael@0	10
michael@0	11	#include "nsString.h"
michael@0	12	#include "nsWeakReference.h"
michael@0	13	#include "nsTArray.h"
michael@0	14	#include "nsDataHashtable.h"
michael@0	15	#include "nsHashKeys.h"
michael@0	16
michael@0	17	class nsXBLBinding;
michael@0	18	class nsXBLDocumentInfo;
michael@0	19	class nsIContent;
michael@0	20	class nsIDocument;
michael@0	21	class nsString;
michael@0	22	class nsIURI;
michael@0	23	class nsIPrincipal;
michael@0	24
michael@0	25	namespace mozilla {
michael@0	26	namespace dom {
michael@0	27	class EventTarget;
michael@0	28	}
michael@0	29	}
michael@0	30
michael@0	31	class nsXBLService MOZ_FINAL : public nsSupportsWeakReference
michael@0	32	{
michael@0	33	NS_DECL_ISUPPORTS
michael@0	34
michael@0	35	static nsXBLService* gInstance;
michael@0	36
michael@0	37	static void Init();
michael@0	38
michael@0	39	static void Shutdown() {
michael@0	40	NS_IF_RELEASE(gInstance);
michael@0	41	}
michael@0	42
michael@0	43	static nsXBLService* GetInstance() { return gInstance; }
michael@0	44
michael@0	45	static bool IsChromeOrResourceURI(nsIURI* aURI);
michael@0	46
michael@0	47	// This function loads a particular XBL file and installs all of the bindings
michael@0	48	// onto the element. aOriginPrincipal must not be null here.
michael@0	49	nsresult LoadBindings(nsIContent* aContent, nsIURI* aURL,
michael@0	50	nsIPrincipal* aOriginPrincipal,
michael@0	51	nsXBLBinding** aBinding, bool* aResolveStyle);
michael@0	52
michael@0	53	// Indicates whether or not a binding is fully loaded.
michael@0	54	nsresult BindingReady(nsIContent* aBoundElement, nsIURI* aURI, bool* aIsReady);
michael@0	55
michael@0	56	// This method checks the hashtable and then calls FetchBindingDocument on a
michael@0	57	// miss. aOriginPrincipal or aBoundDocument may be null to bypass security
michael@0	58	// checks.
michael@0	59	nsresult LoadBindingDocumentInfo(nsIContent* aBoundElement,
michael@0	60	nsIDocument* aBoundDocument,
michael@0	61	nsIURI* aBindingURI,
michael@0	62	nsIPrincipal* aOriginPrincipal,
michael@0	63	bool aForceSyncLoad,
michael@0	64	nsXBLDocumentInfo** aResult);
michael@0	65
michael@0	66	// Used by XUL key bindings and for window XBL.
michael@0	67	static nsresult AttachGlobalKeyHandler(mozilla::dom::EventTarget* aTarget);
michael@0	68	static nsresult DetachGlobalKeyHandler(mozilla::dom::EventTarget* aTarget);
michael@0	69
michael@0	70	private:
michael@0	71	nsXBLService();
michael@0	72	virtual ~nsXBLService();
michael@0	73
michael@0	74	protected:
michael@0	75	// This function clears out the bindings on a given content node.
michael@0	76	nsresult FlushStyleBindings(nsIContent* aContent);
michael@0	77
michael@0	78	// This method synchronously loads and parses an XBL file.
michael@0	79	nsresult FetchBindingDocument(nsIContent* aBoundElement, nsIDocument* aBoundDocument,
michael@0	80	nsIURI* aDocumentURI, nsIURI* aBindingURI,
michael@0	81	bool aForceSyncLoad, nsIDocument** aResult);
michael@0	82
michael@0	83	/**
michael@0	84	* This method calls the one below with an empty |aDontExtendURIs| array.
michael@0	85	*/
michael@0	86	nsresult GetBinding(nsIContent* aBoundElement, nsIURI* aURI,
michael@0	87	bool aPeekFlag, nsIPrincipal* aOriginPrincipal,
michael@0	88	bool* aIsReady, nsXBLBinding** aResult);
michael@0	89
michael@0	90	/**
michael@0	91	* This method loads a binding doc and then builds the specific binding
michael@0	92	* required. It can also peek without building.
michael@0	93	* @param aBoundElement the element to get a binding for
michael@0	94	* @param aURI the binding URI
michael@0	95	* @param aPeekFlag if true then just peek to see if the binding is ready
michael@0	96	* @param aIsReady [out] if the binding is ready or not
michael@0	97	* @param aResult [out] where to store the resulting binding (not used if
michael@0	98	* aPeekFlag is true, otherwise it must be non-null)
michael@0	99	* @param aDontExtendURIs a set of URIs that are already bound to this
michael@0	100	* element. If a binding extends any of these then further loading
michael@0	101	* is aborted (because it would lead to the binding extending itself)
michael@0	102	* and NS_ERROR_ILLEGAL_VALUE is returned.
michael@0	103	*
michael@0	104	* @note This method always calls LoadBindingDocumentInfo(), so it's
michael@0	105	* enough to funnel all security checks through that function.
michael@0	106	*/
michael@0	107	nsresult GetBinding(nsIContent* aBoundElement, nsIURI* aURI,
michael@0	108	bool aPeekFlag, nsIPrincipal* aOriginPrincipal,
michael@0	109	bool* aIsReady, nsXBLBinding** aResult,
michael@0	110	nsTArray<nsIURI*>& aDontExtendURIs);
michael@0	111
michael@0	112	// MEMBER VARIABLES
michael@0	113	public:
michael@0	114	static bool gDisableChromeCache;
michael@0	115	static bool gAllowDataURIs; // Whether we should allow data
michael@0	116	// urls in -moz-binding. Needed for
michael@0	117	// testing.
michael@0	118	};
michael@0	119
michael@0	120	#endif