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| -rw-r--r-- | uriloader/base/nsIWebProgress.idl | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/uriloader/base/nsIWebProgress.idl b/uriloader/base/nsIWebProgress.idl new file mode 100644 index 0000000000..10d6593381 --- /dev/null +++ b/uriloader/base/nsIWebProgress.idl @@ -0,0 +1,185 @@ +/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsISupports.idl" + +interface mozIDOMWindowProxy; +interface nsIEventTarget; +interface nsIRequest; +interface nsIWebProgressListener; +webidl BrowsingContext; + +/** + * The nsIWebProgress interface is used to add or remove nsIWebProgressListener + * instances to observe the loading of asynchronous requests (usually in the + * context of a DOM window). + * + * nsIWebProgress instances may be arranged in a parent-child configuration, + * corresponding to the parent-child configuration of their respective DOM + * windows. However, in some cases a nsIWebProgress instance may not have an + * associated DOM window. The parent-child relationship of nsIWebProgress + * instances is not made explicit by this interface, but the relationship may + * exist in some implementations. + * + * A nsIWebProgressListener instance receives notifications for the + * nsIWebProgress instance to which it added itself, and it may also receive + * notifications from any nsIWebProgress instances that are children of that + * nsIWebProgress instance. + */ +[scriptable, builtinclass, uuid(c4d64640-b332-4db6-a2a5-e08566000dc9)] +interface nsIWebProgress : nsISupports +{ + /** + * The following flags may be combined to form the aNotifyMask parameter for + * the addProgressListener method. They limit the set of events that are + * delivered to an nsIWebProgressListener instance. + */ + + /** + * These flags indicate the state transistions to observe, corresponding to + * nsIWebProgressListener::onStateChange. + * + * NOTIFY_STATE_REQUEST + * Only receive the onStateChange event if the aStateFlags parameter + * includes nsIWebProgressListener::STATE_IS_REQUEST. + * + * NOTIFY_STATE_DOCUMENT + * Only receive the onStateChange event if the aStateFlags parameter + * includes nsIWebProgressListener::STATE_IS_DOCUMENT. + * + * NOTIFY_STATE_NETWORK + * Only receive the onStateChange event if the aStateFlags parameter + * includes nsIWebProgressListener::STATE_IS_NETWORK. + * + * NOTIFY_STATE_WINDOW + * Only receive the onStateChange event if the aStateFlags parameter + * includes nsIWebProgressListener::STATE_IS_WINDOW. + * + * NOTIFY_STATE_ALL + * Receive all onStateChange events. + */ + const unsigned long NOTIFY_STATE_REQUEST = 0x00000001; + const unsigned long NOTIFY_STATE_DOCUMENT = 0x00000002; + const unsigned long NOTIFY_STATE_NETWORK = 0x00000004; + const unsigned long NOTIFY_STATE_WINDOW = 0x00000008; + const unsigned long NOTIFY_STATE_ALL = 0x0000000f; + + /** + * These flags indicate the other events to observe, corresponding to the + * other four methods defined on nsIWebProgressListener. + * + * NOTIFY_PROGRESS + * Receive onProgressChange events. + * + * NOTIFY_STATUS + * Receive onStatusChange events. + * + * NOTIFY_SECURITY + * Receive onSecurityChange events. + * + * NOTIFY_LOCATION + * Receive onLocationChange events. + * + * NOTIFY_CONTENT_BLOCKING + * Receive onContentBlockingEvent events. + * + * NOTIFY_REFRESH + * Receive onRefreshAttempted events. + * This is defined on nsIWebProgressListener2. + */ + const unsigned long NOTIFY_PROGRESS = 0x00000010; + const unsigned long NOTIFY_STATUS = 0x00000020; + const unsigned long NOTIFY_SECURITY = 0x00000040; + const unsigned long NOTIFY_LOCATION = 0x00000080; + const unsigned long NOTIFY_REFRESH = 0x00000100; + const unsigned long NOTIFY_CONTENT_BLOCKING = 0x00000200; + + /** + * This flag enables all notifications. + */ + const unsigned long NOTIFY_ALL = 0x000003ff; + + /** + * Registers a listener to receive web progress events. + * + * @param aListener + * The listener interface to be called when a progress event occurs. + * This object must also implement nsISupportsWeakReference. + * @param aNotifyMask + * The types of notifications to receive. + * + * @throw NS_ERROR_INVALID_ARG + * Indicates that aListener was either null or that it does not + * support weak references. + * @throw NS_ERROR_FAILURE + * Indicates that aListener was already registered. + */ + void addProgressListener(in nsIWebProgressListener aListener, + in unsigned long aNotifyMask); + + /** + * Removes a previously registered listener of progress events. + * + * @param aListener + * The listener interface previously registered with a call to + * addProgressListener. + * + * @throw NS_ERROR_FAILURE + * Indicates that aListener was not registered. + */ + void removeProgressListener(in nsIWebProgressListener aListener); + + /** + * BrowsingContext associated with this nsIWebProgress instance, or `null` if + * there is no BrowsingContext. + */ + [binaryname(BrowsingContextXPCOM)] + readonly attribute BrowsingContext browsingContext; + + [noscript,notxpcom,nostdcall] BrowsingContext getBrowsingContext(); + + /** + * The DOM window associated with this nsIWebProgress instance. + * + * @throw NS_ERROR_FAILURE + * Indicates that there is no associated DOM window. + */ + readonly attribute mozIDOMWindowProxy DOMWindow; + + /** + * Indicates whether DOMWindow.top == DOMWindow. + */ + readonly attribute boolean isTopLevel; + + /** + * Indicates whether or not a document is currently being loaded + * in the context of this nsIWebProgress instance. + */ + readonly attribute boolean isLoadingDocument; + + /** + * Contains a load type as specified by the load* constants in + * nsIDocShell:LoadCommand. + */ + readonly attribute unsigned long loadType; + + /** + * Main thread event target to which progress updates should be + * dispatched. This typically will be a SchedulerEventTarget + * corresponding to the tab requesting updates. + */ + attribute nsIEventTarget target; + + /** + * The request for the currently loading document. It is null if + * isLoadingDocument is false. + * Note, the request may not be the actual nsIChannel instance used for + * loading, but a dummy RemoteWebProgressRequest. And since redirects are + * hidden from the child processes, this may not reflect the complete + * redirect state of the load. + */ + readonly attribute nsIRequest documentRequest; +}; |