beagle r4677 - trunk/beagle/firefox-extension/chrome/content

[taofei svn gnome org]

Author: taofei
Date: Wed Apr  9 14:28:40 2008
New Revision: 4677
URL: http://svn.gnome.org/viewvc/beagle?rev=4677&view=rev

Log:
add indexBookmark3.js 
It is for bookmark index in firefox 3.
NOT ENOUGH TEST YET


Added:
   trunk/beagle/firefox-extension/chrome/content/indexBookmark3.js

Added: trunk/beagle/firefox-extension/chrome/content/indexBookmark3.js
==============================================================================
--- (empty file)
+++ trunk/beagle/firefox-extension/chrome/content/indexBookmark3.js	Wed Apr  9 14:28:40 2008
@@ -0,0 +1,117 @@
+/**
+* index bookmarks (for firefox 3)
+* Include URL,name,shorcurURL (the keywords), description
+* After index, a last-indexed-date is saved.
+* Later only index the modified bookmark or new bookmarks.
+*/
+
+function flat(node)
+{
+    var list = [];
+    for (var i=0; i<children.length; i++) {
+        if(children.type == 'bookmark')
+        {
+            list.push(children);
+        }
+        else if (children.type == 'folder')
+        {
+           list.concat(flat(children)); 
+        }
+    }
+    return list;
+}
+
+var bookmarkIndexer = {
+   
+    bmsvc : Components.classes["@mozilla.org/browser/nav-bookmarks-service;1"]
+                .getService (Components.interfaces.nsINavBookmarksService);
+
+    init : function()
+    {
+        this.bmsvc.addObserver(this, false);
+    }
+
+    onItemAdded: function(id, folder, index)
+    {
+        //how to getBookarkById ?
+    }
+    /**
+     * get the bookmark  one by one 
+     * if filter(bookmark) == true do action(bookmark)
+     * return the num of indexed bookmarks
+     */
+    walk: function(bms, filter, action)
+    {
+        var num = 0;
+        for (var i = 0; i< bms.length; i++)
+        {
+            if(filter(bms))
+            {
+                action(bms[i]);
+                num ++;
+            }
+        }
+        return num;
+    },
+    
+    /**
+     * Index a bookmark.
+     * write meta to metafile and write a empty content file
+     */
+    indexBookmark: function(bookmark)
+    {
+        log("index bookmark " + bookmark.uri.spec );
+        var meta = [
+            bookmark.uri.spec,
+            "Bookmark",
+            "", //mimetype is null for bookmarks
+            "t:dc:title=" + bookmark.title,
+            "t:dc:identifier=" + bookmark.path,
+            "t:dc:description=" + bookmark.description,
+            "t:fixme:keyword=" + bookmark.keyword,
+        ];
+        beagle.writeRawMetadata(meta,beagle.getMetaPath(bookmark.URL,"bookmark"));
+        // a little hack , write empty content to content file
+        beagle.writeRawMetadata([],beagle.getContentPath(bookmark.URL,"bookmark"));
+    },
+   
+    /**
+     * Get All the bookmarks (return a array of bookmakrs)
+     */
+    getAllBookmarks:function()
+    {
+        return flat(Application.bookmarks.menu);
+    }
+   
+    /**
+     * check if bookmark is modified since last index
+     */
+    isModified : function(bookmark, lastIndexDate)
+    {
+        var lastModified = this.bmsvc.getItemLastModified(bookmark.id);
+        return lastModified > lastInexDate;
+    }
+
+    /**
+     * Index the modifled (or new ) bookmarks.
+     * if report is true , alert the num of indexed bookmarks
+     */
+    indexModified:function(report)
+    {
+        var _this = this;
+        var bms = this.getAllBookmarks(); 
+        var lastIndexDate = beaglePref.get("beagle.bookmark.last.indexed.date");
+        var num = this.walk(
+            root,
+            function(bookmark){return _this.isModified(bookmark, lastIndexDate);},
+            _this.indexBookmark
+        );
+        beaglePref.set("beagle.bookmark.last.indexed.date","" + (new Date()).getTime());
+        if(report)
+           alert(_f("beagle_index_bookmark_finish",[num]));
+        log(_f("beagle_index_bookmark_finish",[num]));
+    }
+
+}
+
+