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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /uriloader/base/nsIWebProgressListener.idl | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'uriloader/base/nsIWebProgressListener.idl')
-rw-r--r-- | uriloader/base/nsIWebProgressListener.idl | 425 |
1 files changed, 425 insertions, 0 deletions
diff --git a/uriloader/base/nsIWebProgressListener.idl b/uriloader/base/nsIWebProgressListener.idl new file mode 100644 index 000000000..714b931a3 --- /dev/null +++ b/uriloader/base/nsIWebProgressListener.idl @@ -0,0 +1,425 @@ +/* -*- 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 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. + */ +[scriptable, uuid(a9df523b-efe2-421e-9d8e-3d7f807dda4c)] +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; + + /** + * Mixed active content flags + * + * May be set in addition to the State Security Flags, to indicate that + * mixed active content has been encountered. + * + * STATE_BLOCKED_MIXED_ACTIVE_CONTENT + * Mixed active content has been blocked from loading. + * + * STATE_LOADED_MIXED_ACTIVE_CONTENT + * Mixed active content has been loaded. State should be STATE_IS_BROKEN. + */ + const unsigned long STATE_BLOCKED_MIXED_ACTIVE_CONTENT = 0x00000010; + const unsigned long STATE_LOADED_MIXED_ACTIVE_CONTENT = 0x00000020; + + /** + * Mixed display content flags + * + * May be set in addition to the State Security Flags, to indicate that + * mixed display content has been encountered. + * + * STATE_BLOCKED_MIXED_DISPLAY_CONTENT + * Mixed display content has been blocked from loading. + * + * STATE_LOADED_MIXED_DISPLAY_CONTENT + * Mixed display content has been loaded. State should be STATE_IS_BROKEN. + */ + const unsigned long STATE_BLOCKED_MIXED_DISPLAY_CONTENT = 0x00000100; + const unsigned long STATE_LOADED_MIXED_DISPLAY_CONTENT = 0x00000200; + + /** + * Tracking content flags + * + * May be set in addition to the State security Flags, to indicate that + * tracking content has been encountered. + * + * STATE_BLOCKED_TRACKING_CONTENT + * Tracking content has been blocked from loading. + * + * STATE_LOADED_TRACKING_CONTENT + * Tracking content has been loaded. + */ + const unsigned long STATE_BLOCKED_TRACKING_CONTENT = 0x00001000; + const unsigned long STATE_LOADED_TRACKING_CONTENT = 0x00002000; + + /** + * 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; + + /** + * State bits for EV == Extended Validation == High Assurance + * + * These flags describe the level of identity verification + * in a call to the onSecurityChange method. + * + * STATE_IDENTITY_EV_TOPLEVEL + * The topmost document uses an EV cert. + * NOTE: Available since Gecko 1.9 + */ + + const unsigned long STATE_IDENTITY_EV_TOPLEVEL = 0x00100000; + + /** + * Broken state flags + * + * These flags describe the reason of the broken state. + * + * STATE_USES_SSL_3 + * The topmost document uses SSL 3.0. + * + * STATE_USES_WEAK_CRYPTO + * The topmost document uses a weak cipher suite such as RC4. + * + * STATE_CERT_USER_OVERRIDDEN + * The user has added a security exception for the site. + */ + const unsigned long STATE_USES_SSL_3 = 0x01000000; + const unsigned long STATE_USES_WEAK_CRYPTO = 0x02000000; + const unsigned long STATE_CERT_USER_OVERRIDDEN = 0x04000000; + + /** + * 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); + + /** + * Flags for onLocationChange + * + * LOCATION_CHANGE_SAME_DOCUMENT + * This flag is on when |aWebProgress| did not load a new document. + * For example, the location change is due to an anchor scroll or a + * pushState/popState/replaceState. + * + * LOCATION_CHANGE_ERROR_PAGE + * This flag is on when |aWebProgress| redirected from the requested + * contents to an internal page to show error status, such as + * <about:neterror>, <about:certerror> and so on. + * + * Generally speaking, |aURI| and |aRequest| are the original data. DOM + * |window.location.href| is also the original location, while + * |document.documentURI| is the redirected location. Sometimes |aURI| is + * <about:blank> and |aRequest| is null when the original data does not + + remain. + * + * |aWebProgress| does NOT set this flag when it did not try to load a new + * document. In this case, it should set LOCATION_CHANGE_SAME_DOCUMENT. + */ + const unsigned long LOCATION_CHANGE_SAME_DOCUMENT = 0x00000001; + const unsigned long LOCATION_CHANGE_ERROR_PAGE = 0x00000002; + + /** + * 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. + * @param aFlags + * This is a value which explains the situation or the reason why + * the location has changed. + */ + void onLocationChange(in nsIWebProgress aWebProgress, + in nsIRequest aRequest, + in nsIURI aLocation, + [optional] in unsigned long aFlags); + + /** + * 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); +}; |