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Diffstat (limited to 'browser/components/extensions/ext-bookmarks.js')
| -rw-r--r-- | browser/components/extensions/ext-bookmarks.js | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/browser/components/extensions/ext-bookmarks.js b/browser/components/extensions/ext-bookmarks.js new file mode 100644 index 000000000..399f6212d --- /dev/null +++ b/browser/components/extensions/ext-bookmarks.js @@ -0,0 +1,374 @@ +/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* vim: set sts=2 sw=2 et tw=80: */ +"use strict"; + +const {classes: Cc, interfaces: Ci, utils: Cu} = Components; + +Cu.import("resource://gre/modules/ExtensionUtils.jsm"); +const { + SingletonEventManager, +} = ExtensionUtils; + +XPCOMUtils.defineLazyModuleGetter(this, "EventEmitter", + "resource://devtools/shared/event-emitter.js"); +XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils", + "resource://gre/modules/PlacesUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Task", + "resource://gre/modules/Task.jsm"); + +let listenerCount = 0; + +function getTree(rootGuid, onlyChildren) { + function convert(node, parent) { + let treenode = { + id: node.guid, + title: node.title || "", + index: node.index, + dateAdded: node.dateAdded / 1000, + }; + + if (parent && node.guid != PlacesUtils.bookmarks.rootGuid) { + treenode.parentId = parent.guid; + } + + if (node.type == PlacesUtils.TYPE_X_MOZ_PLACE) { + // This isn't quite correct. Recently Bookmarked ends up here ... + treenode.url = node.uri; + } else { + treenode.dateGroupModified = node.lastModified / 1000; + + if (node.children && !onlyChildren) { + treenode.children = node.children.map(child => convert(child, node)); + } + } + + return treenode; + } + + return PlacesUtils.promiseBookmarksTree(rootGuid, { + excludeItemsCallback: item => { + if (item.type == PlacesUtils.TYPE_X_MOZ_PLACE_SEPARATOR) { + return true; + } + return item.annos && + item.annos.find(a => a.name == PlacesUtils.EXCLUDE_FROM_BACKUP_ANNO); + }, + }).then(root => { + if (onlyChildren) { + let children = root.children || []; + return children.map(child => convert(child, root)); + } + // It seems like the array always just contains the root node. + return [convert(root, null)]; + }).catch(e => Promise.reject({message: e.message})); +} + +function convert(result) { + let node = { + id: result.guid, + title: result.title || "", + index: result.index, + dateAdded: result.dateAdded.getTime(), + }; + + if (result.guid != PlacesUtils.bookmarks.rootGuid) { + node.parentId = result.parentGuid; + } + + if (result.type == PlacesUtils.bookmarks.TYPE_BOOKMARK) { + node.url = result.url.href; // Output is always URL object. + } else { + node.dateGroupModified = result.lastModified.getTime(); + } + + return node; +} + +let observer = { + skipTags: true, + skipDescendantsOnItemRemoval: true, + + onBeginUpdateBatch() {}, + onEndUpdateBatch() {}, + + onItemAdded(id, parentId, index, itemType, uri, title, dateAdded, guid, parentGuid, source) { + if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) { + return; + } + + let bookmark = { + id: guid, + parentId: parentGuid, + index, + title, + dateAdded: dateAdded / 1000, + }; + + if (itemType == PlacesUtils.bookmarks.TYPE_BOOKMARK) { + bookmark.url = uri.spec; + } else { + bookmark.dateGroupModified = bookmark.dateAdded; + } + + this.emit("created", bookmark); + }, + + onItemVisited() {}, + + onItemMoved(id, oldParentId, oldIndex, newParentId, newIndex, itemType, guid, oldParentGuid, newParentGuid, source) { + if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) { + return; + } + + let info = { + parentId: newParentGuid, + index: newIndex, + oldParentId: oldParentGuid, + oldIndex, + }; + this.emit("moved", {guid, info}); + }, + + onItemRemoved(id, parentId, index, itemType, uri, guid, parentGuid, source) { + if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) { + return; + } + + let node = { + id: guid, + parentId: parentGuid, + index, + }; + + if (itemType == PlacesUtils.bookmarks.TYPE_BOOKMARK) { + node.url = uri.spec; + } + + this.emit("removed", {guid, info: {parentId: parentGuid, index, node}}); + }, + + onItemChanged(id, prop, isAnno, val, lastMod, itemType, parentId, guid, parentGuid, oldVal, source) { + if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) { + return; + } + + let info = {}; + if (prop == "title") { + info.title = val; + } else if (prop == "uri") { + info.url = val; + } else { + // Not defined yet. + return; + } + + this.emit("changed", {guid, info}); + }, +}; +EventEmitter.decorate(observer); + +function decrementListeners() { + listenerCount -= 1; + if (!listenerCount) { + PlacesUtils.bookmarks.removeObserver(observer); + } +} + +function incrementListeners() { + listenerCount++; + if (listenerCount == 1) { + PlacesUtils.bookmarks.addObserver(observer, false); + } +} + +extensions.registerSchemaAPI("bookmarks", "addon_parent", context => { + return { + bookmarks: { + get: function(idOrIdList) { + let list = Array.isArray(idOrIdList) ? idOrIdList : [idOrIdList]; + + return Task.spawn(function* () { + let bookmarks = []; + for (let id of list) { + let bookmark = yield PlacesUtils.bookmarks.fetch({guid: id}); + if (!bookmark) { + throw new Error("Bookmark not found"); + } + bookmarks.push(convert(bookmark)); + } + return bookmarks; + }).catch(error => Promise.reject({message: error.message})); + }, + + getChildren: function(id) { + // TODO: We should optimize this. + return getTree(id, true); + }, + + getTree: function() { + return getTree(PlacesUtils.bookmarks.rootGuid, false); + }, + + getSubTree: function(id) { + return getTree(id, false); + }, + + search: function(query) { + return PlacesUtils.bookmarks.search(query).then(result => result.map(convert)); + }, + + getRecent: function(numberOfItems) { + return PlacesUtils.bookmarks.getRecent(numberOfItems).then(result => result.map(convert)); + }, + + create: function(bookmark) { + let info = { + title: bookmark.title || "", + }; + + // If url is NULL or missing, it will be a folder. + if (bookmark.url !== null) { + info.type = PlacesUtils.bookmarks.TYPE_BOOKMARK; + info.url = bookmark.url || ""; + } else { + info.type = PlacesUtils.bookmarks.TYPE_FOLDER; + } + + if (bookmark.index !== null) { + info.index = bookmark.index; + } + + if (bookmark.parentId !== null) { + info.parentGuid = bookmark.parentId; + } else { + info.parentGuid = PlacesUtils.bookmarks.unfiledGuid; + } + + try { + return PlacesUtils.bookmarks.insert(info).then(convert) + .catch(error => Promise.reject({message: error.message})); + } catch (e) { + return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`}); + } + }, + + move: function(id, destination) { + let info = { + guid: id, + }; + + if (destination.parentId !== null) { + info.parentGuid = destination.parentId; + } + info.index = (destination.index === null) ? + PlacesUtils.bookmarks.DEFAULT_INDEX : destination.index; + + try { + return PlacesUtils.bookmarks.update(info).then(convert) + .catch(error => Promise.reject({message: error.message})); + } catch (e) { + return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`}); + } + }, + + update: function(id, changes) { + let info = { + guid: id, + }; + + if (changes.title !== null) { + info.title = changes.title; + } + if (changes.url !== null) { + info.url = changes.url; + } + + try { + return PlacesUtils.bookmarks.update(info).then(convert) + .catch(error => Promise.reject({message: error.message})); + } catch (e) { + return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`}); + } + }, + + remove: function(id) { + let info = { + guid: id, + }; + + // The API doesn't give you the old bookmark at the moment + try { + return PlacesUtils.bookmarks.remove(info, {preventRemovalOfNonEmptyFolders: true}).then(result => {}) + .catch(error => Promise.reject({message: error.message})); + } catch (e) { + return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`}); + } + }, + + removeTree: function(id) { + let info = { + guid: id, + }; + + try { + return PlacesUtils.bookmarks.remove(info).then(result => {}) + .catch(error => Promise.reject({message: error.message})); + } catch (e) { + return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`}); + } + }, + + onCreated: new SingletonEventManager(context, "bookmarks.onCreated", fire => { + let listener = (event, bookmark) => { + context.runSafe(fire, bookmark.id, bookmark); + }; + + observer.on("created", listener); + incrementListeners(); + return () => { + observer.off("created", listener); + decrementListeners(); + }; + }).api(), + + onRemoved: new SingletonEventManager(context, "bookmarks.onRemoved", fire => { + let listener = (event, data) => { + context.runSafe(fire, data.guid, data.info); + }; + + observer.on("removed", listener); + incrementListeners(); + return () => { + observer.off("removed", listener); + decrementListeners(); + }; + }).api(), + + onChanged: new SingletonEventManager(context, "bookmarks.onChanged", fire => { + let listener = (event, data) => { + context.runSafe(fire, data.guid, data.info); + }; + + observer.on("changed", listener); + incrementListeners(); + return () => { + observer.off("changed", listener); + decrementListeners(); + }; + }).api(), + + onMoved: new SingletonEventManager(context, "bookmarks.onMoved", fire => { + let listener = (event, data) => { + context.runSafe(fire, data.guid, data.info); + }; + + observer.on("moved", listener); + incrementListeners(); + return () => { + observer.off("moved", listener); + decrementListeners(); + }; + }).api(), + }, + }; +}); |