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294 lines
9.8 KiB
Plaintext
294 lines
9.8 KiB
Plaintext
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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#include "nsISupports.idl"
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interface nsIURI;
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interface nsIDOMWindow;
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interface nsIDOMNode;
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interface nsIDOMDocument;
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interface nsIOfflineCacheUpdate;
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interface nsIPrincipal;
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interface nsIPrefBranch;
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interface nsIApplicationCache;
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interface nsIFile;
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interface nsIObserver;
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[scriptable, uuid(47360d57-8ef4-4a5d-8865-1a27a739ad1a)]
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interface nsIOfflineCacheUpdateObserver : nsISupports {
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const unsigned long STATE_ERROR = 1;
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const unsigned long STATE_CHECKING = 2;
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const unsigned long STATE_NOUPDATE = 3;
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const unsigned long STATE_OBSOLETE = 4;
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const unsigned long STATE_DOWNLOADING = 5;
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const unsigned long STATE_ITEMSTARTED = 6;
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const unsigned long STATE_ITEMCOMPLETED = 7;
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const unsigned long STATE_ITEMPROGRESS = 8;
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const unsigned long STATE_FINISHED = 10;
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/**
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* aUpdate has changed its state.
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*
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* @param aUpdate
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* The nsIOfflineCacheUpdate being processed.
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* @param event
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* See enumeration above
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*/
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void updateStateChanged(in nsIOfflineCacheUpdate aUpdate, in uint32_t state);
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/**
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* Informs the observer about an application being available to associate.
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*
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* @param applicationCache
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* The application cache instance that has been created or found by the
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* update to associate with
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*/
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void applicationCacheAvailable(in nsIApplicationCache applicationCache);
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};
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/**
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* An nsIOfflineCacheUpdate is used to update an application's offline
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* resources.
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*
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* It can be used to perform partial or complete updates.
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*
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* One update object will be updating at a time. The active object will
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* load its items one by one, sending itemCompleted() to any registered
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* observers.
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*/
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[scriptable, uuid(a4503a53-6ab8-4b50-b01e-1c4f393fc980)]
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interface nsIOfflineCacheUpdate : nsISupports {
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/**
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* Fetch the status of the running update. This will return a value
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* defined in nsIDOMOfflineResourceList.
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*/
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readonly attribute unsigned short status;
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/**
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* TRUE if the update is being used to add specific resources.
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* FALSE if the complete cache update process is happening.
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*/
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readonly attribute boolean partial;
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/**
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* TRUE if this is an upgrade attempt, FALSE if it is a new cache
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* attempt.
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*/
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readonly attribute boolean isUpgrade;
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/**
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* The domain being updated, and the domain that will own any URIs added
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* with this update.
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*/
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readonly attribute ACString updateDomain;
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/**
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* The manifest for the offline application being updated.
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*/
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readonly attribute nsIURI manifestURI;
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/**
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* TRUE if the cache update completed successfully.
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*/
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readonly attribute boolean succeeded;
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/**
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* Initialize the update.
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*
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* @param aManifestURI
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* The manifest URI to be checked.
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* @param aDocumentURI
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* The page that is requesting the update.
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*/
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void init(in nsIURI aManifestURI, in nsIURI aDocumentURI, in nsIDOMDocument aDocument,
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[optional] in nsIFile aCustomProfileDir,
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[optional] in unsigned long aAppId,
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[optional] in boolean aInBrowser);
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/**
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* Initialize the update for partial processing.
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*
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* @param aManifestURI
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* The manifest URI of the related cache.
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* @param aClientID
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* Client ID of the cache to store resource to. This ClientID
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* must be ID of cache in the cache group identified by
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* the manifest URI passed in the first parameter.
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* @param aDocumentURI
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* The page that is requesting the update. May be null
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* when this information is unknown.
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*/
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void initPartial(in nsIURI aManifestURI, in ACString aClientID, in nsIURI aDocumentURI);
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/**
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* Initialize the update to only check whether there is an update
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* to the manifest available (if it has actually changed on the server).
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*
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* @param aManifestURI
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* The manifest URI of the related cache.
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* @param aAppID
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* Local ID of an app (optional) to check the cache update for.
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* @param aInBrowser
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* Whether to check for a cache populated from browser element.
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* @param aObserver
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* nsIObserver implementation that receives the result.
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* When aTopic == "offline-cache-update-available" there is an update to
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* to download. Update of the app cache will lead to a new version
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* download.
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* When aTopic == "offline-cache-update-unavailable" then there is no
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* update available (the manifest has not changed on the server).
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*/
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void initForUpdateCheck(in nsIURI aManifestURI,
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in unsigned long aAppID,
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in boolean aInBrowser,
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in nsIObserver aObserver);
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/**
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* Add a dynamic URI to the offline cache as part of the update.
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*
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* @param aURI
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* The URI to add.
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*/
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void addDynamicURI(in nsIURI aURI);
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/**
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* Add the update to the offline update queue. An offline-cache-update-added
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* event will be sent to the observer service.
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*/
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void schedule();
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/**
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* Observe loads that are added to the update.
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*
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* @param aObserver
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* object that notifications will be sent to.
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* @param aHoldWeak
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* TRUE if you want the update to hold a weak reference to the
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* observer, FALSE for a strong reference.
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*/
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void addObserver(in nsIOfflineCacheUpdateObserver aObserver,
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in boolean aHoldWeak);
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/**
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* Remove an observer from the update.
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*
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* @param aObserver
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* the observer to remove.
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*/
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void removeObserver(in nsIOfflineCacheUpdateObserver aObserver);
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/**
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* Cancel the update when still in progress. This stops all running resource
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* downloads and discards the downloaded cache version. Throws when update
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* has already finished and made the new cache version active.
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*/
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void cancel();
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/**
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* Return the number of bytes downloaded so far
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*/
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readonly attribute uint64_t byteProgress;
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};
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[scriptable, uuid(0668910d-d14f-4cee-8db5-25faebc360ab)]
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interface nsIOfflineCacheUpdateService : nsISupports {
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/**
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* Constants for the offline-app permission.
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*
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* XXX: This isn't a great place for this, but it's really the only
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* private offline-app-related interface
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*/
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/**
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* Allow the domain to use offline APIs, and don't warn about excessive
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* usage.
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*/
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const unsigned long ALLOW_NO_WARN = 3;
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/**
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* Access to the list of cache updates that have been scheduled.
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*/
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readonly attribute unsigned long numUpdates;
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nsIOfflineCacheUpdate getUpdate(in unsigned long index);
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/**
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* Schedule a cache update for a given offline manifest. If an
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* existing update is scheduled or running, that update will be returned.
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* Otherwise a new update will be scheduled.
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*/
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nsIOfflineCacheUpdate scheduleUpdate(in nsIURI aManifestURI,
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in nsIURI aDocumentURI,
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in nsIDOMWindow aWindow);
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/**
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* Schedule a cache update for a given offline manifest using app cache
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* bound to the given appID+inBrowser flag. If an existing update is
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* scheduled or running, that update will be returned. Otherwise a new
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* update will be scheduled.
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*/
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nsIOfflineCacheUpdate scheduleAppUpdate(in nsIURI aManifestURI,
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in nsIURI aDocumentURI,
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in unsigned long aAppID,
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in boolean aInBrowser,
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in nsIFile aProfileDir);
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/**
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* Schedule a cache update for a manifest when the document finishes
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* loading.
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*/
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void scheduleOnDocumentStop(in nsIURI aManifestURI,
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in nsIURI aDocumentURI,
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in nsIDOMDocument aDocument);
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/**
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* Schedule a check to see if an update is available.
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*
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* This will not update or make any changes to the appcache.
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* It only notifies the observer to indicate whether the manifest has
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* changed on the server (or not): a changed manifest means that an
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* update is available.
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*
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* For arguments see nsIOfflineCacheUpdate.initForUpdateCheck() method
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* description.
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*/
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void checkForUpdate(in nsIURI aManifestURI,
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in unsigned long aAppID,
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in boolean aInBrowser,
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in nsIObserver aObserver);
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/**
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* Checks whether a principal should have access to the offline
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* cache.
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* @param aPrincipal
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* The principal to check.
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* @param aPrefBranch
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* The pref branch to use to check the
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* offline-apps.allow_by_default pref. If not specified,
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* the pref service will be used.
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*/
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boolean offlineAppAllowed(in nsIPrincipal aPrincipal,
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in nsIPrefBranch aPrefBranch);
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/**
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* Checks whether a document at the given URI should have access
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* to the offline cache.
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* @param aURI
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* The URI to check
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* @param aPrefBranch
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* The pref branch to use to check the
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* offline-apps.allow_by_default pref. If not specified,
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* the pref service will be used.
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*/
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boolean offlineAppAllowedForURI(in nsIURI aURI,
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in nsIPrefBranch aPrefBranch);
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/**
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* Sets the "offline-app" permission for the principal.
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* In the single process model calls directly on permission manager.
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* In the multi process model dispatches to the parent process.
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*/
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void allowOfflineApp(in nsIDOMWindow aWindow, in nsIPrincipal aPrincipal);
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};
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