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Unified Diff: gecko-sdk/idl/nsIWebProgressListener.idl

Issue 20346: Version 1.8 of gecko-sdk. Downloaded from here:... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 11 years, 10 months ago
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Index: gecko-sdk/idl/nsIWebProgressListener.idl
===================================================================
--- gecko-sdk/idl/nsIWebProgressListener.idl (revision 0)
+++ gecko-sdk/idl/nsIWebProgressListener.idl (revision 0)
@@ -0,0 +1,357 @@
+/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Mozilla browser.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications, Inc.
+ * Portions created by the Initial Developer are Copyright (C) 1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Travis Bogard <travis@netscape.com>
+ * Darin Fisher <darin@meer.net>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nsISupports.idl"
+
+interface nsIWebProgress;
+interface nsIRequest;
+interface nsIURI;
+
+/**
+ * The nsIWebProgressListener interface is implemented by clients wishing to
+ * listen in on the progress associated with the loading of asynchronous
+ * requests in the context of a nsIWebProgress instance as well as any child
+ * nsIWebProgress instances. nsIWebProgress.idl describes the parent-child
+ * relationship of nsIWebProgress instances.
+ *
+ * @status FROZEN
+ */
+[scriptable, uuid(570F39D1-EFD0-11d3-B093-00A024FFC08C)]
+interface nsIWebProgressListener : nsISupports
+{
+ /**
+ * State Transition Flags
+ *
+ * These flags indicate the various states that requests may transition
+ * through as they are being loaded. These flags are mutually exclusive.
+ *
+ * For any given request, onStateChange is called once with the STATE_START
+ * flag, zero or more times with the STATE_TRANSFERRING flag or once with the
+ * STATE_REDIRECTING flag, and then finally once with the STATE_STOP flag.
+ * NOTE: For document requests, a second STATE_STOP is generated (see the
+ * description of STATE_IS_WINDOW for more details).
+ *
+ * STATE_START
+ * This flag indicates the start of a request. This flag is set when a
+ * request is initiated. The request is complete when onStateChange is
+ * called for the same request with the STATE_STOP flag set.
+ *
+ * STATE_REDIRECTING
+ * This flag indicates that a request is being redirected. The request
+ * passed to onStateChange is the request that is being redirected. When a
+ * redirect occurs, a new request is generated automatically to process the
+ * new request. Expect a corresponding STATE_START event for the new
+ * request, and a STATE_STOP for the redirected request.
+ *
+ * STATE_TRANSFERRING
+ * This flag indicates that data for a request is being transferred to an
+ * end consumer. This flag indicates that the request has been targeted,
+ * and that the user may start seeing content corresponding to the request.
+ *
+ * STATE_NEGOTIATING
+ * This flag is not used.
+ *
+ * STATE_STOP
+ * This flag indicates the completion of a request. The aStatus parameter
+ * to onStateChange indicates the final status of the request.
+ */
+ const unsigned long STATE_START = 0x00000001;
+ const unsigned long STATE_REDIRECTING = 0x00000002;
+ const unsigned long STATE_TRANSFERRING = 0x00000004;
+ const unsigned long STATE_NEGOTIATING = 0x00000008;
+ const unsigned long STATE_STOP = 0x00000010;
+
+
+ /**
+ * State Type Flags
+ *
+ * These flags further describe the entity for which the state transition is
+ * occuring. These flags are NOT mutually exclusive (i.e., an onStateChange
+ * event may indicate some combination of these flags).
+ *
+ * STATE_IS_REQUEST
+ * This flag indicates that the state transition is for a request, which
+ * includes but is not limited to document requests. (See below for a
+ * description of document requests.) Other types of requests, such as
+ * requests for inline content (e.g., images and stylesheets) are
+ * considered normal requests.
+ *
+ * STATE_IS_DOCUMENT
+ * This flag indicates that the state transition is for a document request.
+ * This flag is set in addition to STATE_IS_REQUEST. A document request
+ * supports the nsIChannel interface and its loadFlags attribute includes
+ * the nsIChannel::LOAD_DOCUMENT_URI flag.
+ *
+ * A document request does not complete until all requests associated with
+ * the loading of its corresponding document have completed. This includes
+ * other document requests (e.g., corresponding to HTML <iframe> elements).
+ * The document corresponding to a document request is available via the
+ * DOMWindow attribute of onStateChange's aWebProgress parameter.
+ *
+ * STATE_IS_NETWORK
+ * This flag indicates that the state transition corresponds to the start
+ * or stop of activity in the indicated nsIWebProgress instance. This flag
+ * is accompanied by either STATE_START or STATE_STOP, and it may be
+ * combined with other State Type Flags.
+ *
+ * Unlike STATE_IS_WINDOW, this flag is only set when activity within the
+ * nsIWebProgress instance being observed starts or stops. If activity
+ * only occurs in a child nsIWebProgress instance, then this flag will be
+ * set to indicate the start and stop of that activity.
+ *
+ * For example, in the case of navigation within a single frame of a HTML
+ * frameset, a nsIWebProgressListener instance attached to the
+ * nsIWebProgress of the frameset window will receive onStateChange calls
+ * with the STATE_IS_NETWORK flag set to indicate the start and stop of
+ * said navigation. In other words, an observer of an outer window can
+ * determine when activity, that may be constrained to a child window or
+ * set of child windows, starts and stops.
+ *
+ * STATE_IS_WINDOW
+ * This flag indicates that the state transition corresponds to the start
+ * or stop of activity in the indicated nsIWebProgress instance. This flag
+ * is accompanied by either STATE_START or STATE_STOP, and it may be
+ * combined with other State Type Flags.
+ *
+ * This flag is similar to STATE_IS_DOCUMENT. However, when a document
+ * request completes, two onStateChange calls with STATE_STOP are
+ * generated. The document request is passed as aRequest to both calls.
+ * The first has STATE_IS_REQUEST and STATE_IS_DOCUMENT set, and the second
+ * has the STATE_IS_WINDOW flag set (and possibly the STATE_IS_NETWORK flag
+ * set as well -- see above for a description of when the STATE_IS_NETWORK
+ * flag may be set). This second STATE_STOP event may be useful as a way
+ * to partition the work that occurs when a document request completes.
+ */
+ const unsigned long STATE_IS_REQUEST = 0x00010000;
+ const unsigned long STATE_IS_DOCUMENT = 0x00020000;
+ const unsigned long STATE_IS_NETWORK = 0x00040000;
+ const unsigned long STATE_IS_WINDOW = 0x00080000;
+
+
+ /**
+ * State Modifier Flags
+ *
+ * These flags further describe the transition which is occuring. These
+ * flags are NOT mutually exclusive (i.e., an onStateChange event may
+ * indicate some combination of these flags).
+ *
+ * STATE_RESTORING
+ * This flag indicates that the state transition corresponds to the start
+ * or stop of activity for restoring a previously-rendered presentation.
+ * As such, there is no actual network activity associated with this
+ * request, and any modifications made to the document or presentation
+ * when it was originally loaded will still be present.
+ */
+ const unsigned long STATE_RESTORING = 0x01000000;
+
+ /**
+ * State Security Flags
+ *
+ * These flags describe the security state reported by a call to the
+ * onSecurityChange method. These flags are mutually exclusive.
+ *
+ * STATE_IS_INSECURE
+ * This flag indicates that the data corresponding to the request
+ * was received over an insecure channel.
+ *
+ * STATE_IS_BROKEN
+ * This flag indicates an unknown security state. This may mean that the
+ * request is being loaded as part of a page in which some content was
+ * received over an insecure channel.
+ *
+ * STATE_IS_SECURE
+ * This flag indicates that the data corresponding to the request was
+ * received over a secure channel. The degree of security is expressed by
+ * STATE_SECURE_HIGH, STATE_SECURE_MED, or STATE_SECURE_LOW.
+ */
+ const unsigned long STATE_IS_INSECURE = 0x00000004;
+ const unsigned long STATE_IS_BROKEN = 0x00000001;
+ const unsigned long STATE_IS_SECURE = 0x00000002;
+
+ /**
+ * Security Strength Flags
+ *
+ * These flags describe the security strength and accompany STATE_IS_SECURE
+ * in a call to the onSecurityChange method. These flags are mutually
+ * exclusive.
+ *
+ * These flags are not meant to provide a precise description of data
+ * transfer security. These are instead intended as a rough indicator that
+ * may be used to, for example, color code a security indicator or otherwise
+ * provide basic data transfer security feedback to the user.
+ *
+ * STATE_SECURE_HIGH
+ * This flag indicates a high degree of security.
+ *
+ * STATE_SECURE_MED
+ * This flag indicates a medium degree of security.
+ *
+ * STATE_SECURE_LOW
+ * This flag indicates a low degree of security.
+ */
+ const unsigned long STATE_SECURE_HIGH = 0x00040000;
+ const unsigned long STATE_SECURE_MED = 0x00010000;
+ const unsigned long STATE_SECURE_LOW = 0x00020000;
+
+
+ /**
+ * Notification indicating the state has changed for one of the requests
+ * associated with aWebProgress.
+ *
+ * @param aWebProgress
+ * The nsIWebProgress instance that fired the notification
+ * @param aRequest
+ * The nsIRequest that has changed state.
+ * @param aStateFlags
+ * Flags indicating the new state. This value is a combination of one
+ * of the State Transition Flags and one or more of the State Type
+ * Flags defined above. Any undefined bits are reserved for future
+ * use.
+ * @param aStatus
+ * Error status code associated with the state change. This parameter
+ * should be ignored unless aStateFlags includes the STATE_STOP bit.
+ * The status code indicates success or failure of the request
+ * associated with the state change. NOTE: aStatus may be a success
+ * code even for server generated errors, such as the HTTP 404 error.
+ * In such cases, the request itself should be queried for extended
+ * error information (e.g., for HTTP requests see nsIHttpChannel).
+ */
+ void onStateChange(in nsIWebProgress aWebProgress,
+ in nsIRequest aRequest,
+ in unsigned long aStateFlags,
+ in nsresult aStatus);
+
+ /**
+ * Notification that the progress has changed for one of the requests
+ * associated with aWebProgress. Progress totals are reset to zero when all
+ * requests in aWebProgress complete (corresponding to onStateChange being
+ * called with aStateFlags including the STATE_STOP and STATE_IS_WINDOW
+ * flags).
+ *
+ * @param aWebProgress
+ * The nsIWebProgress instance that fired the notification.
+ * @param aRequest
+ * The nsIRequest that has new progress.
+ * @param aCurSelfProgress
+ * The current progress for aRequest.
+ * @param aMaxSelfProgress
+ * The maximum progress for aRequest.
+ * @param aCurTotalProgress
+ * The current progress for all requests associated with aWebProgress.
+ * @param aMaxTotalProgress
+ * The total progress for all requests associated with aWebProgress.
+ *
+ * NOTE: If any progress value is unknown, or if its value would exceed the
+ * maximum value of type long, then its value is replaced with -1.
+ *
+ * NOTE: If the object also implements nsIWebProgressListener2 and the caller
+ * knows about that interface, this function will not be called. Instead,
+ * nsIWebProgressListener2::onProgressChange64 will be called.
+ */
+ void onProgressChange(in nsIWebProgress aWebProgress,
+ in nsIRequest aRequest,
+ in long aCurSelfProgress,
+ in long aMaxSelfProgress,
+ in long aCurTotalProgress,
+ in long aMaxTotalProgress);
+
+ /**
+ * Called when the location of the window being watched changes. This is not
+ * when a load is requested, but rather once it is verified that the load is
+ * going to occur in the given window. For instance, a load that starts in a
+ * window might send progress and status messages for the new site, but it
+ * will not send the onLocationChange until we are sure that we are loading
+ * this new page here.
+ *
+ * @param aWebProgress
+ * The nsIWebProgress instance that fired the notification.
+ * @param aRequest
+ * The associated nsIRequest. This may be null in some cases.
+ * @param aLocation
+ * The URI of the location that is being loaded.
+ */
+ void onLocationChange(in nsIWebProgress aWebProgress,
+ in nsIRequest aRequest,
+ in nsIURI aLocation);
+
+ /**
+ * Notification that the status of a request has changed. The status message
+ * is intended to be displayed to the user (e.g., in the status bar of the
+ * browser).
+ *
+ * @param aWebProgress
+ * The nsIWebProgress instance that fired the notification.
+ * @param aRequest
+ * The nsIRequest that has new status.
+ * @param aStatus
+ * This value is not an error code. Instead, it is a numeric value
+ * that indicates the current status of the request. This interface
+ * does not define the set of possible status codes. NOTE: Some
+ * status values are defined by nsITransport and nsISocketTransport.
+ * @param aMessage
+ * Localized text corresponding to aStatus.
+ */
+ void onStatusChange(in nsIWebProgress aWebProgress,
+ in nsIRequest aRequest,
+ in nsresult aStatus,
+ in wstring aMessage);
+
+ /**
+ * Notification called for security progress. This method will be called on
+ * security transitions (eg HTTP -> HTTPS, HTTPS -> HTTP, FOO -> HTTPS) and
+ * after document load completion. It might also be called if an error
+ * occurs during network loading.
+ *
+ * @param aWebProgress
+ * The nsIWebProgress instance that fired the notification.
+ * @param aRequest
+ * The nsIRequest that has new security state.
+ * @param aState
+ * A value composed of the Security State Flags and the Security
+ * Strength Flags listed above. Any undefined bits are reserved for
+ * future use.
+ *
+ * NOTE: These notifications will only occur if a security package is
+ * installed.
+ */
+ void onSecurityChange(in nsIWebProgress aWebProgress,
+ in nsIRequest aRequest,
+ in unsigned long aState);
+};
Property changes on: gecko-sdk\idl\nsIWebProgressListener.idl
___________________________________________________________________
Added: svn:eol-style
+ LF
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