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gecko/toolkit/components/places/public/nsINavHistoryService.idl
sspitzer@mozilla.org 53c9312ffb minor typo, no bug.
2007-05-27 20:26:08 -07:00

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/* -*- Mode: IDL; tab-width: 2; 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 Places code.
*
* The Initial Developer of the Original Code is
* Google Inc.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brett Wilson <brett@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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"
#include "nsIArray.idl"
#include "nsIURI.idl"
interface nsIFile;
interface nsINavHistoryContainerResultNode;
interface nsINavHistoryQueryResultNode;
interface nsINavHistoryQuery;
interface nsINavHistoryQueryOptions;
interface nsINavHistoryResult;
interface nsITreeColumn;
interface nsIWritablePropertyBag;
[scriptable, uuid(ff6f0168-f3f6-4f3a-9dfb-810a8eb4e545)]
interface nsINavHistoryResultNode : nsISupports
{
/**
* Indentifies the parent result node in the result set. This is null for
* top level nodes.
*/
readonly attribute nsINavHistoryContainerResultNode parent;
/**
* URI of the resource in question. For visits and URLs, this is the URL of
* the page. For folders and queries, this is the place: URI of the
* corresponding folder or query. This may be empty for other types of
* objects like host containers.
*/
readonly attribute AUTF8String uri;
/**
* Identifies the type of this node. This node can then be QI-ed to the
* corresponding specialized result node interface. The remote_container one
* is a little weird, it is a temporary folder generated by the remote
* container API. Note that bookmark folders can also be filled by the
* remote container API (these are the entrypoints for the API) and may
* have a remote container type as well.
*/
const unsigned long RESULT_TYPE_URI = 0; // nsINavHistoryResultNode
const unsigned long RESULT_TYPE_VISIT = 1; // nsINavHistoryVisitResultNode
const unsigned long RESULT_TYPE_FULL_VISIT = 2; // nsINavHistoryFullVisitResultNode
const unsigned long RESULT_TYPE_HOST = 3; // nsINavHistoryContainerResultNode
const unsigned long RESULT_TYPE_REMOTE_CONTAINER = 4; // nsINavHistoryContainerResultNode
const unsigned long RESULT_TYPE_QUERY = 5; // nsINavHistoryQueryResultNode
const unsigned long RESULT_TYPE_FOLDER = 6; // nsINavHistoryQueryResultNode
const unsigned long RESULT_TYPE_SEPARATOR = 7; // nsINavHistoryResultNode
const unsigned long RESULT_TYPE_DAY = 8; // nsINavHistoryContainerResultNode
readonly attribute unsigned long type;
/**
* Title of the web page, or of the node's grouping (day, host, folder, etc)
*/
readonly attribute AUTF8String title;
/**
* Total number of times the URI has ever been accessed. For hosts, this
* is the total of the children under it, NOT the total times the host has
* been accessed (this would require an additional query, so is not given
* by default when most of the time it is never needed).
*/
readonly attribute unsigned long accessCount;
/**
* This is the time the user accessed the page.
*
* If this is a visit, it is the exact time that the page visit occurred.
*
* If this is a URI, it is the most recent time that the URI was visited.
* Even if you ask for all URIs for a given date range long ago, this might
* contain today's date if the URI was visited today.
*
* For hosts, or other node types with children, this is the most recent
* access time for any of the children.
*
* For days, this is midnight on the morning of the day in question in
* UTC time.
*/
readonly attribute PRTime time;
/**
* This URI can be used as an image source URI and will give you the favicon
* for the page. It is *not* the URI of the favicon, but rather something
* that will resolve to the actual image.
*
* In most cases, this is an annotation URI that will query the favicon
* service. If the entry has no favicon, this is the chrome URI of the
* default favicon. If the favicon originally lived in chrome, this will
* be the original chrome URI of the icon.
*/
readonly attribute nsIURI icon;
/**
* This is the number of levels between this node and the top of the
* hierarchy. The members of result.children have indentLevel = 0, their
* children have indentLevel = 1, etc. The indent level of the root node is
* set to -1.
*/
readonly attribute long indentLevel;
/**
* Value with undefined meaning for use by the view. Its initial value will
* be -1. The tree view uses this value to indicate the row in the tree that
* this node is at. Other views may use this value however they choose.
*/
attribute long viewIndex;
/**
* You can use this to associate temporary information with the result node.
* This property bag is associated with the result node and is not persisted
* in any way.
*/
readonly attribute nsIWritablePropertyBag propertyBag;
/**
* When this item is in a bookmark folder (parent is of type folder), this is
* the index into that folder of this node. These indices start at 0 and
* increase in the order that they appear in the bookmark folder. For items
* that are not in a bookmark folder, this value is -1.
*/
readonly attribute long bookmarkIndex;
/**
* If the node is an item (bookmark, folder or a separator) this value is the
* row ID of that bookmark in the database. For other nodes, this value is
* set to -1.
*/
readonly attribute long long itemId;
/**
* If the node is an item (bookmark, folder or a separator) this value is the
* time that the item was created. For other nodes, this value is 0.
*/
readonly attribute PRTime dateAdded;
/**
* If the node is an item (bookmark, folder or a separator) this value is the
* time that the item was last modified. For other nodes, this value is 0.
*/
readonly attribute PRTime lastModified;
};
/**
* When you request RESULT_TYPE_VISIT from query options, you will get this
* interface for each item, which includes the session ID so that we can
* group items from the same session together.
*/
[scriptable, uuid(8e2c5a86-b33d-4fa6-944b-559af7e95fcd)]
interface nsINavHistoryVisitResultNode : nsINavHistoryResultNode
{
/**
* This indicates the session ID of the * visit. This is used for session
* grouping when a tree view is sorted by date.
*/
readonly attribute long long sessionId;
};
/**
* This structure will be returned when you request RESULT_TYPE_FULL_VISIT in
* the query options. This includes uncommonly used information about each
* visit.
*/
[scriptable, uuid(c49fd9d5-56e2-43eb-932c-f933f28cba85)]
interface nsINavHistoryFullVisitResultNode : nsINavHistoryVisitResultNode
{
/**
* This indicates the visit ID of the visit.
*/
readonly attribute long long visitId;
/**
* This indicates the referring visit ID of the visit. The referrer should
* have the same sessionId.
*/
readonly attribute long long referringVisitId;
/**
* Indicates the transition type of the visit.
* One of nsINavHistoryService.TRANSITION_*
*/
readonly attribute long transitionType;
};
/**
* Base class for container results. This includes all types of groupings.
* Bookmark folders and places queries will be QueryResultNodes which extends
* these items.
*/
[scriptable, uuid(957065fd-76e7-4c24-9284-c31b5decbaaa)]
interface nsINavHistoryContainerResultNode : nsINavHistoryResultNode
{
/**
* Set this to allow descent into the container. When closed, attempting
* to call getChildren or childCount will result in an error. You should
* set this to false when you are done reading.
*
* For HOST and DAY groupings, doing this is free since the children have
* been precomputed. For queries and bookmark folders, being open means they
* will keep themselves up-to-date by listening for updates and re-querying
* as needed.
*/
attribute boolean containerOpen;
/**
* This indicates whether this node "may" have children, and can be used
* when the container is open or closed. When the container is closed, it
* will give you an exact answer if the node can easily be populated (for
* example, a bookmark folder). If not (for example, a complex history query),
* it will return true. When the container is open, it will always be
* accurate. It is intended to be used to see if we should draw the "+" next
* to a tree item.
*/
readonly attribute boolean hasChildren;
/**
* This gives you the children of the nodes. It is preferrable to use this
* interface over the array one, since it avoids creating an nsIArray object
* and the interface is already the correct type.
*
* @throws NS_ERROR_NOT_AVAILABLE if containerOpen is false.
*/
readonly attribute unsigned long childCount;
nsINavHistoryResultNode getChild(in unsigned long aIndex);
/**
* Returns false if this node's list of children can be modified
* (adding or removing children, or reordering children), or true if
* the UI should not allow the list of children to be modified.
* This is false for bookmark folder nodes unless setFolderReadOnly() has
* been called to override it, and true for non-folder nodes. If this
* container is a remote container this flag may be redefined by the
* remote container provider.
*/
readonly attribute boolean childrenReadOnly;
// --------------------------------------------------------------------------
// Remote container
/**
* This is a string representing the remote container API service that is
* responsible for this container. It is empty if there is none. The
* container may be a RESULT_TYPE_REMOTE_CONTAINER node that has been
* dynamically generated by the remote container API. It may also be a
* bookmark folder (RESULT_TYPE_FOLDER) for which some service (such as
* livemarks) has registered to provide certain operations.
*/
readonly attribute AUTF8String remoteContainerType;
/**
* Appends a full visit node to this container and returns it. For the remote
* container API. TO BE CALLED FROM nsIRemoteContainer::OnContainerOpening()
* ONLY, and only for non-bookmark-folder containers.
*
* @see nsINavHistoryURIResultNode for parameters.
*
* UNTESTED: Container API functions are commented out until we can test
*/
/*nsINavHistoryResultNode appendURINode(
in AUTF8String aURI, in AUTF8String aTitle, in PRUint32 aAccessCount,
in PRTime aTime, in AUTF8String aIconURI);*/
/**
* Appends a full visit node to this container and returns it. For the remote
* container API. TO BE CALLED FROM nsIRemoteContainer::OnContainerOpening()
* ONLY, and only for non-bookmark-folder containers.
*
* @see nsINavHistoryVisitResultNode for parameters.
*
* UNTESTED: Container API functions are commented out until we can test
*/
/*nsINavHistoryVisitResultNode appendVisitNode(
in AUTF8String aURI, in AUTF8String aTitle, in PRUint32 aAccessCount,
in PRTime aTime, in AUTF8String aIconURI, in PRInt64 aSession);*/
/**
* Appends a full visit node to this container and returns it. For the remote
* container API. TO BE CALLED FROM nsIRemoteContainer::OnContainerOpening()
* ONLY, and only for non-bookmark-folder containers.
*
* @see nsINavHistoryFullVisitResultNode for parameters.
*
* UNTESTED: Container API functions are commented out until we can test
*/
/*nsINavHistoryFullVisitResultNode appendFullVisitNode(
in AUTF8String aURI, in AUTF8String aTitle, in PRUint32 aAccessCount,
in PRTime aTime, in AUTF8String aIconURI, in PRInt64 aSession,
in PRInt64 aVisitId, in PRInt64 aReferringVisitId,
in PRInt32 aTransitionType);*/
/**
* Appends a container node to this container and returns it. For the remote
* container API. TO BE CALLED FROM nsIRemoteContainer::OnContainerOpening()
* ONLY, and only for non-bookmark-folder containers.
*
* aContainerType should be either RESULT_TYPE_HOST or
* RESULT_TYPE_REMOTE_CONTAINER. When type is remote container you must
* specify a remote container type, otherwise, the remote container type must
* be null. Use appendQueryNode and appendFolderNode for the other container
* types.
*
* UNTESTED: Container API functions are commented out until we can test
*/
/*nsINavHistoryContainerResultNode appendContainerNode(
in AUTF8String aTitle, in AUTF8String aIconURI, in PRUint32 aContainerType,
in AUTF8String aRemoteContainerType);*/
/**
* Appends a query node to this container and returns it. For the remote
* container API. TO BE CALLED FROM nsIRemoteContainer::OnContainerOpening()
* ONLY, and only for non-bookmark-folder containers.
*
* Normally you should supply an empty string for IconURI and it will take
* the default query icon for the current theme.
*
* UNTESTED: Container API functions are commented out until we can test
*/
/*nsINavHistoryQueryResultNode appendQueryNode(
in AUTF8String aQueryURI, in AUTF8String aTitle, in AUTF8String aIconURI);*/
/**
* Appends a bookmark folder node to this container and returns it. For the
* remote container API. TO BE CALLED FROM nsIRemoteContainer::OnContainerOpening()
* ONLY, and only for non-bookmark-folder containers.
*
* All container attributes will come from the boomkarks service for this
* folder.
*
* UNTESTED: Container API functions are commented out until we can test
*/
/*nsINavHistoryFolderResultNode appendFolderNode(in PRInt64 aFolderId);*/
/**
* Clears all children of this container. For the remote container API.
* TO BE CALLED FROM nsIRemoteContainer::OnContainerOpening and
* nsIRemoteContainer::OnContainerClosed ONLY, and valid only for
* non-bookmark-folder containers.
*
* UNTESTED: Container API functions are commented out until we can test
*/
/*void clearContents();*/
};
/**
* Used for places queries and as a base for bookmark folders.
*
* Note that if you request places to *not* be expanded in the options that
* generated this node, this item will report it has no children and never try
* to populate itself.
*/
[scriptable, uuid(dcd6a2b7-3d50-4c78-b1cb-2f0f18ac5864)]
interface nsINavHistoryQueryResultNode : nsINavHistoryContainerResultNode
{
/**
* Get the queries which build this node's children.
* Only valid for RESULT_TYPE_QUERY nodes.
*/
void getQueries(out unsigned long queryCount,
[retval,array,size_is(queryCount)] out nsINavHistoryQuery queries);
/**
* Get the options which group this node's children.
* Only valid for RESULT_TYPE_QUERY nodes.
*/
readonly attribute nsINavHistoryQueryOptions queryOptions;
};
/**
* Allows clients of the HistoryResult to define domain specific handling
* of specific nsITreeView methods that the HistoryResult does not implement.
*
* @see nsINavHistoryResult for where this fits in
*/
[scriptable, uuid(b34d5ca4-ce8e-49a6-9201-a59ae2128d2c)]
interface nsINavHistoryResultViewObserver : nsISupports
{
const long DROP_BEFORE = -1;
const long DROP_ON = 0;
const long DROP_AFTER = 1;
/**
* Methods used by the drag feedback code to determine if a drag is allowable at
* the current location. To get the behavior where drops are only allowed on
* items, such as the mailNews folder pane, always return false whe
* the orientation is not DROP_ON. Implementors should not change the content of
* the observer list!
*/
boolean canDrop(in long index, in long orientation);
/**
* Called when the user drops something on this view. The |orientation| param
* specifies before/on/after the given |row|.
*/
void onDrop(in long row, in long orientation);
/**
* Called when an item is opened or closed.
*/
void onToggleOpenState (in long index);
/**
* Called when a header is clicked.
*/
void onCycleHeader(in nsITreeColumn column);
/**
* Called when a cell in a non-selectable cycling column (e.g.
* unread/flag/etc.) is clicked.
*/
void onCycleCell(in long row, in nsITreeColumn column);
/**
* Called when selection in the tree changes
*/
void onSelectionChanged();
/**
* A command API that can be used to invoke commands on the selection.
* The tree will automatically invoke this method when certain keys
* are pressed. For example, when the DEL key is pressed, performAction
* will be called with the "delete" string.
*/
void onPerformAction(in wstring action);
/**
* A command API that can be used to invoke commands on a specific row.
*/
void onPerformActionOnRow(in wstring action, in long row);
/**
* A command API that can be used to invoke commands on a specific cell.
*/
void onPerformActionOnCell(in wstring action, in long row, in nsITreeColumn column);
};
/**
* Allows clients to observe what is happening to a result as it updates itself
* according to history and bookmark system events. Register this observer on a
* result using registerView
*
* @see nsINavHistoryResult for where this fits in
*/
[scriptable, uuid(2a709a8e-34c3-4c80-b559-789b99a4bbe6)]
interface nsINavHistoryResultViewer : nsISupports
{
/**
* Called when 'item' is inserted into 'parent' at index 'newIndex'. The item
* previously at index (if any) and everything below it will have been
* shifted down by one. The item may be a container or a leaf.
*/
void itemInserted(in nsINavHistoryContainerResultNode parent,
in nsINavHistoryResultNode item,
in unsigned long newIndex);
/**
* Called whan 'item' is removed from 'parent' at 'oldIndex'. The item may be
* a container or a leaf. This function will be called after the item has
* been removed from its parent list, but before anything else (including
* NULLing out the item's parent) has happened.
*/
void itemRemoved(in nsINavHistoryContainerResultNode parent,
in nsINavHistoryResultNode item,
in unsigned long oldIndex);
/**
* Called when an item has been changed and should be repainted. This only
* refers to the specific item. If it is a container, getting this message
* does not imply anything happened to the children. You'll get separate
* messages for those. Also, this may be called for container nodes at times
* when the result thinks it's possible that a twisty mey need to bw redrawn.
*/
void itemChanged(in nsINavHistoryResultNode item);
/**
* Called when an item is being replaced with another item at the exact
* same position.
*/
void itemReplaced(in nsINavHistoryContainerResultNode parent,
in nsINavHistoryResultNode oldItem,
in nsINavHistoryResultNode newItem,
in unsigned long index);
/**
* Called after a container node went from closed to opened.
*/
void containerOpened(in nsINavHistoryContainerResultNode item);
/**
* Called after a container node went from opened to closed. This will be
* called for the topmost container that is closing, and implies that any
* child containers have closed as well.
*/
void containerClosed(in nsINavHistoryContainerResultNode item);
/**
* Called when something significant has happened within the container. The
* contents of the container should be re-built.
*/
void invalidateContainer(in nsINavHistoryContainerResultNode item);
/**
* Called when something significant is changing that requires everything
* to be recomputed. For example, changing sorting or changing collapse
* duplicates can affect every row.
*/
void invalidateAll();
/**
* This is called to indicate to the UI that the sort has changed to the
* given mode. For trees, for example, this would update the column headers
* to reflect the sorting. For many other types of views, this won't be
* applicable.
*
* @param sortingMode One of nsINavHistoryQueryOptions.SORT_BY_* that
* indicates the new sorting mode.
*
* This only is expected to update the sorting UI. invalidateAll() will also
* get called if the sorting changes to update everything.
*/
void sortingChanged(in unsigned short sortingMode);
/**
* Called by the result when this object is set using
* nsINavHistoryResult.viewer. This will be set to NULL when the result
* is being deallocated. This should not be set by other code.
*/
attribute nsINavHistoryResult result;
/**
* Adds the specified view observer to the view. In ownsWeak is false, then
* the result will hold a strong reference to the observer. If ownsWeak is
* true, then the observer must implement nsISupportsWeakReference, and the
* result will hold a weak reference to the observer.
*/
void addViewObserver(in nsINavHistoryResultViewObserver observer,
in boolean ownsWeak);
/**
* Removes the specified view observer from this view. This observer must
* have been previously registered using addViewObserver.
*/
void removeViewObserver(in nsINavHistoryResultViewObserver observer);
};
/**
* A predefined view adaptor for interfacing results with an nsITree. This
* object will remove itself from its associated result when the tree has been
* detached. This prevents circular references. Users should be aware of this,
* if you want to re-use the same viewer, you will need to keep your own
* reference to it and re-initialize it when the tree changes. If you use this
* object, attach it to a result, never attach it to a tree, and forget about
* it, it will leak!
*/
[scriptable, uuid(ecd6ad22-8eb0-4824-8a57-5edad9a08ae6)]
interface nsINavHistoryResultTreeViewer : nsINavHistoryResultViewer
{
/**
* Controls whether duplicate adjacent elements are collapsed into a single
* item in the tree. This prevents you from seeing multiple entries for
* things when you have selected to get visits. When you sort by date, the
* multiple entries will then appear because they will be separated (unless
* you clicked reload a bunch of times in a row). If you know you'll only
* ever want one entry per site, you should ask for URIs back instead of
* visits so it will be more efficient.
* Default = true
*
* Changing this value is somewhat heavyweight since it will force a tree
* refresh.
*/
attribute boolean collapseDuplicates;
/**
* This tells you how many items are in the flattened list of results, i.e.
* how many rows are in this tree right now. The tree adaptor will also
* QI to nsITreeView, and this will be the same as nsITreeView.rowCount.
* This is only valid when a tree is attached, the result will be 0 otherwise.
*/
readonly attribute unsigned long flatItemCount;
/**
* This allows you to get at the real node for a given row index. This is
* only valid when a tree is attached.
*/
nsINavHistoryResultNode nodeForTreeIndex(in unsigned long aIndex);
/**
* Reverse of nodeForFlatIndex, returns the row index for a given result node.
* Returns INDEX_INVISIBLE if the item is not visible (for example, its
* parent is collapsed). This is only valid when a tree is attached. The
* the result will always be INDEX_INVISIBLE if not.
*
* Note: This sounds sort of obvious, but it got me: aNode must be a node
* retrieved from the same result that this viewer is for. If you
* execute another query and get a node from a _different_ result, this
* function will always return the index of that node in the tree that
* is attached to that result.
*/
const unsigned long INDEX_INVISIBLE = 0xffffffff;
unsigned long treeIndexForNode(in nsINavHistoryResultNode aNode);
};
/**
* The result of a history/bookmark query.
*
* Use the "root" element to access the children of this query.
*
* The basic design of the system is a model-view-controller. This result object
* represents the model where the data is stored. External components
* provide the view and controller which define how the data looks and how
* interaction happens.
* +-- nsINavHistoryResultViewObserver
* |
* [RESULT]----->[viewer]----->[controller]
* |
* +-- nsINavHistoryResultViewer
*
* The result indicates to the view when something changes through the
* nsINavHistoryResultViewer interface. Viewers register themselves through
* the nsINavHistoryResult.RegisterViewer. The viewer interface would then tell
* the actual view object what to do. A nsINavHistoryResultTreeViewer is
* provided which provides pre-packaged interaction with a nsITreeBoxObject.
* Other views will need to provide their own viewer interfaces.
*
* The viewer provides notifications to the controller when view events occur
* through the nsINavHistoryResultViewObserver interface.
*/
[scriptable, uuid(6cfcb46f-9b70-4efa-b02a-c2ce85d75e00)]
interface nsINavHistoryResult : nsISupports
{
/**
* Sorts all nodes recursively by the given parameter, one of
* nsINavHistoryQueryOptions.SORT_BY_* This will update the corresponding
* options for this result, so that re-using the current options/queries will
* always give you the current view.
*/
attribute unsigned short sortingMode;
/**
* The annotation to use in SORT_BY_ANNOTATION_* sorting modes, set this
* before setting the sortingMode attribute.
*/
attribute AUTF8String sortingAnnotation;
/**
* The viewer for this result (see comment for the class for how these
* objects are related). This may be null, in which case you can still
* manually walk the tree using the root node. When this is non-null, you
* can access the flattened list of items (flatItemCount, nodeForFlatIndex,
* flatIndexForNode).
*/
attribute nsINavHistoryResultViewer viewer;
/**
* This is the root of the results. Remember that you need to open all
* containers for their contents to be valid.
*/
readonly attribute nsINavHistoryQueryResultNode root;
};
/**
* Similar to nsIRDFObserver for history. Note that we don't pass the data
* source since that is always the global history.
*
* DANGER! If you are in the middle of a batch transaction, there may be a
* database transaction active. You can still access the DB, but be careful.
*/
[scriptable, uuid(849e2184-3dee-416f-91cd-6a619ca49d1c)]
interface nsINavHistoryObserver : nsISupports
{
/**
* Notifies you that a bunch of things are about to change, don't do any
* heavy-duty processing until onEndUpdateBatch is called.
*/
void onBeginUpdateBatch();
/**
* Notifies you that we are done doing a bunch of things and you should go
* ahead and update UI, etc.
*/
void onEndUpdateBatch();
/**
* Called when a resource is visited. This is called the first time a
* resource (page, image, etc.) is seen as well as every subsequent time.
*
* Normally, transition types of TRANSITION_EMBED (corresponding to images in
* a page, for example) are not displayed in history results (unless
* includeHidden is set). Many observers can ignore _EMBED notifications
* (which will comprise the majority of visit notifications) to save work.
*
* @param aVisitID ID of the visit that was just created.
* @param aTime Time of the visit
* @param aSessionID The ID of one connected sequence of visits.
* @param aReferringID The ID of the visit the user came from. 0 if empty.
* @param aTransitionType One of nsINavHistory.TRANSITION_*
*/
void onVisit(in nsIURI aURI, in long long aVisitID, in PRTime aTime,
in long long aSessionID, in long long aReferringID,
in unsigned long aTransitionType);
/**
* Called whenever either the "real" title or the custom title of the page
* changed. BOTH TITLES ARE ALWAYS INCLUDED in this notification, even though
* only one will change at a time. Often, consumers will want to display the
* user title if it is available, and fall back to the page title (the one
* specified in the <title> tag of the page).
*
* Note that there is a difference between an empty title and a NULL title.
* An empty string means that somebody specifically set the title to be
* nothing. NULL means nobody set it. From C++: use IsVoid() and SetIsVoid()
* to see whether an empty string is "null" or not (it will always be an
* empty string in either case).
*
* @param aUserTitleChanged Is true if the user title was the thing that was
* changed. If false, that means the "real" page
* title was changed instead.
*/
void onTitleChanged(in nsIURI aURI, in AString aPageTitle,
in AString aUserTitle, in PRBool aUserTitleChanged);
/**
* This page and all of its visits are being deleted. Note: the page may not
* necessarily have actually existed for this function to be called.
*
* Delete notifications are only 99.99% accurate. Batch delete operations
* must be done in two steps, so first come notifications, then a bulk
* delete. If there is some error in the middle (for example, out of memory)
* then you'll get a notification and it won't get deleted. There's no easy
* way around this.
*/
void onDeleteURI(in nsIURI aURI);
/**
* Notification that all of history is being deleted.
*/
void onClearHistory();
/**
* A page has had some attribute on it changed. Note that for TYPED and
* HIDDEN, the page may not necessarily have been added yet.
*/
const unsigned long ATTRIBUTE_FAVICON = 3; // favicon updated, aString = favicon annotation URI
void onPageChanged(in nsIURI aURI, in unsigned long aWhat, in AString aValue);
/**
* Called when a history entry expires. You will recieve notifications that
* a specific visit has expired with the time of that visit. When the last
* visit for a history entry expires, the history entry itself is deleted
* and aWholeEntry is set. (If your observer only cares about URLs and not
* specific visits, it needs only to listen for aWholeEntry notifications).
*
* It is possible for a history entry to be deleted that has no visits if
* something is out of sync or after a bookmark is deleted that has no
* visits (thus freeing the history entry). In these cases, aVisitTime will
* be 0.
*/
void onPageExpired(in nsIURI aURI, in PRTime aVisitTime, in boolean aWholeEntry);
};
/**
* This object encapsulates all the query parameters you're likely to need
* when building up history UI. All parameters are ANDed together.
*
* This is not intended to be a super-general query mechanism. This was designed
* so that most queries can be done in only one SQL query. This is important
* because, if the user has their profile on a networked drive, query latency
* can be non-negligible.
*/
[scriptable, uuid(53B51AFE-9DE8-40AD-9C81-F2CC1701F1FF)]
interface nsINavHistoryQuery : nsISupports
{
/**
* Time range for results (INCLUSIVE). The *TimeReference is one of the
* constants TIME_RELATIVE_* which indicates how to interpret the
* corresponding time value.
* TIME_RELATIVE_EPOCH (default):
* The time is relative to Jan 1 1970 GMT, (this is a normal PRTime)
* TIME_RELATIVE_TODAY:
* The time is relative to this morning at midnight. Normally used for
* queries relative to today. For example, a "past week" query would be
* today-6 days -> today+1 day
* TIME_RELATIVE_NOW:
* The time is relative to right now.
*
* Note: PRTime is in MICROseconds since 1 Jan 1970. Javascript date objects
* are expressed in MILLIseconds since 1 Jan 1970.
*
* As a special case, a 0 time relative to TIME_RELATIVE_EPOCH indicates that
* the time is not part of the query. This is the default, so an empty query
* will match any time. The has* functions return whether the corresponding
* time is considered.
*
* You can read absolute*Time to get the time value that the currently loaded
* reference points + offset resolve to.
*/
const unsigned long TIME_RELATIVE_EPOCH = 0;
const unsigned long TIME_RELATIVE_TODAY = 1;
const unsigned long TIME_RELATIVE_NOW = 2;
attribute PRTime beginTime;
attribute unsigned long beginTimeReference;
readonly attribute boolean hasBeginTime;
readonly attribute PRTime absoluteBeginTime;
attribute PRTime endTime;
attribute unsigned long endTimeReference;
readonly attribute boolean hasEndTime;
readonly attribute PRTime absoluteEndTime;
/**
* Text search terms.
*/
attribute AString searchTerms;
readonly attribute boolean hasSearchTerms;
/**
* Set lower or upper limits for how many times an item has been
* visited. The default is -1, and in that case all items are
* matched regardless of their visit count.
*/
attribute long minVisits;
attribute long maxVisits;
/**
* When set, returns only bookmarked items, when unset, returns anything. Setting this
* is equivalent to listing all bookmark folders in the 'folders' parameter.
*/
attribute boolean onlyBookmarked;
/**
* This controls the meaning of 'domain', and whether it is an exact match
* 'domainIsHost' = true, or hierarchical (= false).
*/
attribute boolean domainIsHost;
/**
* This is the host or domain name (controlled by domainIsHost). When
* domainIsHost, domain only does exact matching on host names. Otherwise,
* it will return anything whose host name ends in 'domain'.
*
* This one is a little different than most. Setting it to an empty string
* is a real query and will match any URI that has no host name (local files
* and such). Set this to NULL (in C++ use SetIsVoid) if you don't want
* domain matching.
*/
attribute AUTF8String domain;
readonly attribute boolean hasDomain;
/**
* Controls the interpretation of 'uri'. When unset (default), the URI will
* request an exact match of the specified URI. When set, any history entry
* beginning in 'uri' will match. For example "http://bar.com/foo" will match
* "http://bar.com/foo" as well as "http://bar.com/foo/baz.gif".
*/
attribute boolean uriIsPrefix;
/**
* This is a URI to match, to, for example, find out every time you visited
* a given URI. Use uriIsPrefix to control whether this is an exact match.
*/
attribute nsIURI uri;
readonly attribute boolean hasUri;
/**
* Test for existance or non-existance of a given annotation. We don't
* currently support >1 annotation name per query. If 'annotationIsNot' is
* true, we test for the non-existance of the specified annotation.
*
* Testing for not annotation will do the same thing as a normal query and
* remove everything that doesn't have that annotation. Asking for things
* that DO have a given annotation is a little different. It also includes
* things that have never been visited. This allows place queries to be
* returned (which might include bookmark folders -- use the bookmark
* service's GetFolderURI) as well as anything else that may have been
* tagged with an annotation. This will only work for RESULTS_AS_URI since
* there will be no visits for these items.
*/
attribute boolean annotationIsNot;
attribute AUTF8String annotation;
readonly attribute boolean hasAnnotation;
/**
* Limit results to items that are in all of the given folders.
*/
void getFolders(out unsigned long count,
[retval,array,size_is(count)] out long long folders);
readonly attribute unsigned long folderCount;
void setFolders([const,array, size_is(folderCount)] in long long folders,
in unsigned long folderCount);
/**
* Creates a new query item with the same parameters of this one.
*/
nsINavHistoryQuery clone();
};
/**
* This object represents the global options for executing a query.
*/
[scriptable, uuid(923489f0-7ed7-476b-ba86-2fc3e1e474b6)]
interface nsINavHistoryQueryOptions : nsISupports
{
/**
* Grouping by day. The results will be an array of nsINavHistoryResults with
* type = RESULT_TYPE_DAY, one for each day where there are results. These
* will have children of corresponding to the search results of that day.
*/
const unsigned short GROUP_BY_DAY = 0;
/**
* Groping by exact host. The results will be an array of nsINavHistoryResults
* with type = RESULT_TYPE_HOST, one for each unique host (for example,
* "bugzilla.mozilla.org" and "www.mozilla.org" will be separate). The
* children of these will correspond to the results for each host.
*/
const unsigned short GROUP_BY_HOST = 1;
/**
* Grouping by toplevel domain. Similar to GROUP_BY_HOST, but there will be
* one result for each toplevel domain (mozilla.org will be one entry, and
* will contain results including, for example, "bugzilla.mozilla.org" and
* "www.mozilla.org").
*/
const unsigned short GROUP_BY_DOMAIN = 2;
/**
* Group by bookmark folder. Since this determines the entire subtree
* hierarchy, it must be the last grouping option given. This option
* requires the query to have onlyBookmarked set, and for there to be
* at least one parent folder specified via nsINavHistoryQuery::setFolders.
* If all of the top-level results belong to a single folder, the folder will
* be omitted and its children will become the toplevel result nodes.
*/
const unsigned short GROUP_BY_FOLDER = 3;
/**
* You can ask for the results to be pre-sorted. Since the DB has indices
* of many items, it can produce sorted results almost for free. These should
* be self-explanatory.
*
* Note: re-sorting is slower, as is sorting by title or when you have a
* host name.
*
* For bookmark items, SORT_BY_NONE means sort by the natural bookmark order.
*/
const unsigned short SORT_BY_NONE = 0;
const unsigned short SORT_BY_TITLE_ASCENDING = 1;
const unsigned short SORT_BY_TITLE_DESCENDING = 2;
const unsigned short SORT_BY_DATE_ASCENDING = 3;
const unsigned short SORT_BY_DATE_DESCENDING = 4;
const unsigned short SORT_BY_URI_ASCENDING = 5;
const unsigned short SORT_BY_URI_DESCENDING = 6;
const unsigned short SORT_BY_VISITCOUNT_ASCENDING = 7;
const unsigned short SORT_BY_VISITCOUNT_DESCENDING = 8;
const unsigned short SORT_BY_KEYWORD_ASCENDING = 9;
const unsigned short SORT_BY_KEYWORD_DESCENDING = 10;
const unsigned short SORT_BY_DATEADDED_ASCENDING = 11;
const unsigned short SORT_BY_DATEADDED_DESCENDING = 12;
const unsigned short SORT_BY_LASTMODIFIED_ASCENDING = 13;
const unsigned short SORT_BY_LASTMODIFIED_DESCENDING = 14;
const unsigned short SORT_BY_ANNOTATION_ASCENDING = 15;
const unsigned short SORT_BY_ANNOTATION_DESCENDING = 16;
/**
* "URI" results, one for each URI visited in the range. Individual result
* nodes will be of type "URI".
*/
const unsigned short RESULTS_AS_URI = 0;
/**
* "Visit" results, with one for each time a page was visited (this will
* often give you multiple results for one URI). Individual result nodes will
* have type "Visit"
*/
const unsigned short RESULTS_AS_VISIT = 1;
/**
* This is identical to RESULT_TYPE_VISIT except that individual result nodes
* will have type "FullVisit". This is used for the attributes that are not
* commonly accessed to save space in the common case (the lists can be very
* long).
*/
const unsigned short RESULTS_AS_FULL_VISIT = 2;
/**
* The grouping mode to be used for this query.
* Grouping mode is an array of GROUP_BY_* values that specifies the
* structure of the tree you want. For example, an array consisting of
* [GROUP_BY_DAY, GROUP_BY_DOMAIN] will give you a tree whose first level is
* a list of days, and whose second level is a list of domains, and whose
* third level is a list of pages in those domains.
* If you don't want grouping, you can specify an empty array.
*/
void getGroupingMode(out unsigned long groupCount,
[retval,array,size_is(groupCount)] out unsigned short groupingMode);
void setGroupingMode([const,array,size_is(groupCount)] in unsigned short groupingMode,
in unsigned long groupCount);
/**
* The sorting mode to be used for this query.
* mode is one of SORT_BY_*
*/
attribute unsigned short sortingMode;
/**
* The annotation to use in SORT_BY_ANNOTATION_* sorting modes.
*/
attribute AUTF8String sortingAnnotation;
/**
* Sets the result type. One of RESULT_TYPE_* which includes how URIs are
* represented.
*/
attribute unsigned short resultType;
/**
* This option excludes all URIs and separators from a bookmarks query.
* This would be used if you just wanted a list of bookmark folders and
* queries (such as the left pane of the places page).
* Ignored for queries over history. Defaults to false.
*/
attribute boolean excludeItems;
/**
* Set to true to exclude queries ("place:" URIs) from the query results.
* Simple folder queries (bookmark folder symlinks) will still be included.
* Defaults to false.
*/
attribute boolean excludeQueries;
/**
* Set to true to exclude read-only folders from the query results. This is
* designed for cases where you want to give the user the option of filing
* something into a list of folders. It only affects cases where the actual
* folder result node would appear in its parent folder and filters it out.
* It doesn't affect the query at all, and doesn't affect more complex
* queries (such as "folders with annotation X").
*/
attribute boolean excludeReadOnlyFolders;
/**
* When set, allows items with "place:" URIs to appear as containers,
* with the container's contents filled in from the stored query.
* If not set, these will appear as normal items. Doesn't do anything if
* excludeQueries is set. Defaults to false.
*
* Note that this has no effect on folder links, which are place: URIs
* returned by nsINavBookmarkService.GetFolderURI. These are always expanded
* and will appear as bookmark folders.
*/
attribute boolean expandQueries;
/**
* Most items in history are marked "hidden." Only toplevel pages that the
* user sees in the URL bar are not hidden. Hidden things include the content
* of iframes and all images on web pages. Normally, you don't want these
* things. If you do, set this flag and you'll get all items, even hidden
* ones. Does nothing for bookmark queries. Defaults to false.
*/
attribute boolean includeHidden;
/**
* Separate/group history items based on session information. Only
* matters when sorting by date.
*/
attribute boolean showSessions;
/**
* This is the maximum number of results that you want. The query is exeucted,
* the results are sorted, and then the top 'maxResults' results are taken
* and returned. Set to 0 (the default) to get all results.
*
* THIS DOES NOT WORK IN CONJUNCTION WITH SORTING BY TITLE. This is because
* sorting by title requires us to sort after using locale-sensetive sorting
* (as opposed to letting the database do it for us).
*
* Instead, we get the result ordered by date, pick the maxResult most recent
* ones, and THEN sort by title.
*/
attribute unsigned long maxResults;
const unsigned short QUERY_TYPE_HISTORY = 0;
const unsigned short QUERY_TYPE_BOOKMARKS = 1;
const unsigned short QUERY_TYPE_UNIFIED = 2;
/**
* The type of search to use when querying the DB; This attribute is only
* honored by query nodes. It is silently ignored for simple folder queries.
*/
attribute unsigned short queryType;
/**
* Creates a new options item with the same parameters of this one.
*/
nsINavHistoryQueryOptions clone();
};
[scriptable, uuid(1a8df7bf-4889-4331-a521-f6c4dacd20e7)]
interface nsINavHistoryService : nsISupports
{
/**
* This transition type means the user followed a link and got a new toplevel
* window.
*/
const unsigned long TRANSITION_LINK = 1;
/**
* This transition type means that the user typed the page's URL in the
* URL bar.
*/
const unsigned long TRANSITION_TYPED = 2;
/**
* This transition is set when the user followed a bookmark to get to the
* page.
*/
const unsigned long TRANSITION_BOOKMARK = 3;
/**
* This transition type is set when some inner content is loaded. This is
* true of all images on a page, and the contents of the iframe. It is also
* true of any content in a frame, regardless if whether or not the user
* clicked something to get there.
*/
const unsigned long TRANSITION_EMBED = 4;
/**
* Set when the transition was a permanent redirect.
*/
const unsigned long TRANSITION_REDIRECT_PERMANENT = 5;
/**
* Set when the transition was a temporary redirect.
*/
const unsigned long TRANSITION_REDIRECT_TEMPORARY = 6;
/**
* True if there is any history. This can be used in UI to determine whether
* the "clear history" button should be enabled or not. This is much better
* than using BrowserHistory.count since that can be very slow if there is
* a lot of history (it must enumerate each item). This is pretty fast.
*/
readonly attribute boolean hasHistoryEntries;
/**
* This sets the user-defined title of the page. Silently fails if we have
* no knowledge of this page. Set to empty string to clear the user title and
* only use the "real" title as declared on the page.
*/
void setPageUserTitle(in nsIURI aURI, in AString aUserTitle);
/**
* Gets the original title of the page.
*/
AString getPageTitle(in nsIURI aURI);
/**
* This is just like markPageAsTyped (in nsIBrowserHistory, also implemented
* by the history service), but for bookmarks. It declares that the given URI
* is being opened as a result of following a bookmark. If this URI is loaded
* soon after this message has been received, that transition will be marked
* as following a bookmark.
*/
void markPageAsFollowedBookmark(in nsIURI aURI);
/**
* Returns true if this URI would be added to the history. You don't have to
* worry about calling this, addPageToSession/addURI will always check before
* actually adding the page. This function is public because some components
* may want to check if this page would go in the history (i.e. for
* annotations).
*/
boolean canAddURI(in nsIURI aURI);
/**
* Call to set the full information for a given page. If the page does not
* exist, it will be added to the database. If it does, the existing values
* WILL BE OVERWRITTEN. This is an updated version of addPageWithDetails
* for backup/restore type operations.
*
* @param aURI Page to add/change.
* @param aTitle Title as specified by the page.
* @param aUserTitle Custom title provided by user. Set to NULL if none.
* @param aVisitCount Number of times this page has been visited. Setting this
* to 0 may make the page invisible in some views.
* @param aHidden Whether the page is hidden. If the page has only
* TRANSITION_EMBED visits, this will be true, otherwise
* false.
* @param aTyped True if this URI has ever been typed.
*/
void setPageDetails(in nsIURI aURI, in AString aTitle, in AString aUserTitle,
in unsigned long aVisitCount, in boolean aHidden,
in boolean aTyped);
/**
* Call to manually add a visit for a specific page. This will probably not
* be commonly used other than for backup/restore type operations. If the URI
* does not have an entry in the history database already, one will be created
* with no visits, no title, hidden, not typed. Adding a visit will
* automatically increment the visit count for the visited page and will unhide
* it and/or mark it typed according to the transition type.
*
* @param aURI Visited page
* @param aTime Time page was visited (microseconds)
* @param aReferringVisit The ID of the visit that generated this one. Use 0
* for no referrer. This must be a valid visit already
* in the DB or 0.
* @param aTranstitionType Type of transition: one of TRANSITION_* above
* @param aIsRedirect True if the given visit redirects to somewhere else.
* (ie you will create an visit out of here that is a
* redirect transition). This causes this page to be
* hidden in normal history views (unless it has been
* unhidden by visiting it with a non-redirect).
* @param aSessionID The session ID that this page belongs to. Use 0 for
* no session.
* @returns The ID of the created visit. This will be 0 if the URI is not
* valid for adding to history (canAddURI = false).
*/
long long addVisit(in nsIURI aURI, in PRTime aTime,
in long long aReferringVisit, in long aTransitionType,
in boolean aIsRedirect, in long long aSessionID);
/**
* This returns a new query object that you can pass to executeQuer[y/ies].
* It will be initialized to all empty (so using it will give you all history).
*/
nsINavHistoryQuery getNewQuery();
/**
* This returns a new options object that you can pass to executeQuer[y/ies]
* after setting the desired options.
*/
nsINavHistoryQueryOptions getNewQueryOptions();
/**
* Executes a single query.
*/
nsINavHistoryResult executeQuery(in nsINavHistoryQuery aQuery,
in nsINavHistoryQueryOptions options);
/**
* Executes an array of queries. All of the query objects are ORed
* together. Within a query, all the terms are ANDed together as in
* executeQuery. See executeQuery()
*/
nsINavHistoryResult executeQueries(
[array,size_is(aQueryCount)] in nsINavHistoryQuery aQueries,
in unsigned long aQueryCount,
in nsINavHistoryQueryOptions options);
/**
* Converts a query URI-like string to an array of actual query objects for
* use to executeQueries(). The output query array may be empty if there is
* no information. However, there will always be an options structure returned
* (if nothing is defined, it will just have the default values).
*/
void queryStringToQueries(in AUTF8String aQueryString,
[array, size_is(aResultCount)] out nsINavHistoryQuery aQueries,
out unsigned long aResultCount,
out nsINavHistoryQueryOptions options);
/**
* Converts a query into an equivalent string that can be persisted. Inverse
* of queryStringToQueries()
*/
AUTF8String queriesToQueryString(
[array, size_is(aQueryCount)] in nsINavHistoryQuery aQueries,
in unsigned long aQueryCount,
in nsINavHistoryQueryOptions options);
/**
* Adds a history observer. If ownsWeak is false, the history service will
* keep an owning reference to the observer. If ownsWeak is true, then
* aObserver must implement nsISupportsWeakReference, and the history service
* will keep a weak reference to the observer.
*/
void addObserver(in nsINavHistoryObserver observer, in boolean ownsWeak);
/**
* Removes a history observer.
*/
void removeObserver(in nsINavHistoryObserver observer);
/**
* Causes observers to be notified of a beginUpdateBatch when a lot of things
* are about to change. Calls can be nested, observers will only be
* notified when all batches begin/end.
*/
void beginUpdateBatch();
/**
* Causes observers to be notified of an endUpdateBatch when a batch is
* done changing. Should match beginUpdateBatch or bad things will happen.
*/
void endUpdateBatch();
/**
* True if history is disabled. currently,
* history is disabled if the browser.history_expire_days pref is 0
*/
readonly attribute boolean historyDisabled;
};
/**
* nsIMorkHistoryImporter is a service which handles importing old
* history files.
*/
[scriptable, uuid(be935aed-6929-4e44-be29-17ec89e5c8bd)]
interface nsIMorkHistoryImporter : nsISupports
{
/**
* Import the given Mork history file.
* @param file The Mork history file to import
* @param history A reference to the nsINavHistoryService. This is
* supplied since the importer is invoked during
* history service initialization.
*/
void importHistory(in nsIFile file, in nsINavHistoryService history);
};
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