mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-03 18:47:53 +00:00
144 lines
5.0 KiB
C++
144 lines
5.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsChromeRegistry_h
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#define nsChromeRegistry_h
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#include "nsIToolkitChromeRegistry.h"
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#include "nsIObserver.h"
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#include "nsWeakReference.h"
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#include "nsString.h"
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#include "nsURIHashKey.h"
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#include "nsInterfaceHashtable.h"
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#include "nsXULAppAPI.h"
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#include "mozilla/FileLocation.h"
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class nsPIDOMWindowOuter;
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class nsIPrefBranch;
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class nsIURL;
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// The chrome registry is actually split between nsChromeRegistryChrome and
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// nsChromeRegistryContent. The work/data that is common to both resides in
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// the shared nsChromeRegistry implementation, with operations that only make
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// sense for one side erroring out in the other.
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// for component registration
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// {47049e42-1d87-482a-984d-56ae185e367a}
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#define NS_CHROMEREGISTRY_CID \
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{ \
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0x47049e42, 0x1d87, 0x482a, { \
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0x98, 0x4d, 0x56, 0xae, 0x18, 0x5e, 0x36, 0x7a \
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} \
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}
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class nsChromeRegistry : public nsIToolkitChromeRegistry,
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public nsIObserver,
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public nsSupportsWeakReference {
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public:
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NS_DECL_ISUPPORTS
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// nsIXULChromeRegistry methods:
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NS_IMETHOD AllowScriptsForPackage(nsIURI* url, bool* _retval) override;
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NS_IMETHOD AllowContentToAccess(nsIURI* url, bool* _retval) override;
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NS_IMETHOD CanLoadURLRemotely(nsIURI* url, bool* _retval) override;
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NS_IMETHOD MustLoadURLRemotely(nsIURI* url, bool* _retval) override;
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NS_IMETHOD ConvertChromeURL(nsIURI* aChromeURI, nsIURI** aResult) override;
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// nsChromeRegistry methods:
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nsChromeRegistry() : mInitialized(false) {}
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virtual nsresult Init();
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static already_AddRefed<nsIChromeRegistry> GetService();
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static nsChromeRegistry* gChromeRegistry;
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// This method can change its parameter, so due to thread safety issues
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// it should only be called for nsCOMPtr<nsIURI> that is on the stack,
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// unless you know what you are doing.
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static nsresult Canonify(nsCOMPtr<nsIURI>& aChromeURL);
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protected:
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virtual ~nsChromeRegistry();
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void FlushSkinCaches();
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void FlushAllCaches();
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static void LogMessage(const char* aMsg, ...) MOZ_FORMAT_PRINTF(1, 2);
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static void LogMessageWithContext(nsIURI* aURL, uint32_t aLineNumber,
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uint32_t flags, const char* aMsg, ...)
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MOZ_FORMAT_PRINTF(4, 5);
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virtual nsIURI* GetBaseURIFromPackage(const nsCString& aPackage,
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const nsCString& aProvider,
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const nsCString& aPath) = 0;
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virtual nsresult GetFlagsFromPackage(const nsCString& aPackage,
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uint32_t* aFlags) = 0;
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static nsresult RefreshWindow(nsPIDOMWindowOuter* aWindow);
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static nsresult GetProviderAndPath(nsIURI* aChromeURL, nsACString& aProvider,
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nsACString& aPath);
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bool GetDirectionForLocale(const nsACString& aLocale);
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void SanitizeForBCP47(nsACString& aLocale);
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public:
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static already_AddRefed<nsChromeRegistry> GetSingleton();
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struct ManifestProcessingContext {
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ManifestProcessingContext(NSLocationType aType,
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mozilla::FileLocation& aFile)
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: mType(aType), mFile(aFile) {}
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~ManifestProcessingContext() {}
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nsIURI* GetManifestURI();
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already_AddRefed<nsIURI> ResolveURI(const char* uri);
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NSLocationType mType;
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mozilla::FileLocation mFile;
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nsCOMPtr<nsIURI> mManifestURI;
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};
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virtual void ManifestContent(ManifestProcessingContext& cx, int lineno,
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char* const* argv, int flags) = 0;
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virtual void ManifestLocale(ManifestProcessingContext& cx, int lineno,
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char* const* argv, int flags) = 0;
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virtual void ManifestSkin(ManifestProcessingContext& cx, int lineno,
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char* const* argv, int flags) = 0;
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virtual void ManifestOverride(ManifestProcessingContext& cx, int lineno,
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char* const* argv, int flags) = 0;
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virtual void ManifestResource(ManifestProcessingContext& cx, int lineno,
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char* const* argv, int flags) = 0;
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// Available flags
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enum {
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// This package should use the new XPCNativeWrappers to separate
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// content from chrome. This flag is currently unused (because we call
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// into xpconnect at registration time).
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XPCNATIVEWRAPPERS = 1 << 1,
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// Content script may access files in this package
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CONTENT_ACCESSIBLE = 1 << 2,
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// Package may be loaded remotely
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REMOTE_ALLOWED = 1 << 3,
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// Package must be loaded remotely
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REMOTE_REQUIRED = 1 << 4,
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};
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bool mInitialized;
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// "Override" table (chrome URI string -> real URI)
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nsInterfaceHashtable<nsURIHashKey, nsIURI> mOverrideTable;
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};
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#endif // nsChromeRegistry_h
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