pretty much working version

[wl-mobile.git] / assets / www / js / history.js

diff --git a/assets/www/js/history.js b/assets/www/js/history.js
new file mode 100644 (file)
index 0000000..a7c2f67
--- /dev/null
+++ b/assets/www/js/history.js
@@ -0,0 +1,96 @@
+
+var History = new function() {
+       var self = this;
+
+       self.init = function(success, error) {
+               console.log('History.init');
+
+               self.viewStack = [];
+               navigator.app.overrideBackbutton(); 
+               document.addEventListener("backbutton", History.goBack, true);
+
+               success && success();
+       };
+
+       self.visit = function(url, offset) {
+               offset = offset || 0;
+               self.viewStack.push(View.current);
+               console.log('History.visit: ' + url);
+               View.enter(url, offset);
+       };
+       
+       self.goBack = function() {
+               if (self.viewStack.length > 0) {
+                       var url = self.viewStack.pop();
+                       console.log('History.goBack: ' + url);
+                       View.enter(url);
+               }
+               else {
+                       console.log('History: exiting');
+                       navigator.app.exitApp();
+               }
+       };
+
+
+       self.lastRead = function() {
+               var last_read = window.localStorage.getItem('History.last_ids');
+               try {
+                       return last_read.split(';');
+               } catch (err) {
+                       return [];
+               }
+       };
+
+       self.addRead = function(id, offset) {
+               id = "" + id; // this should check if int
+               console.log("History.addRead: " + id);
+               var last_read = self.lastRead();
+               var lastly = last_read.indexOf(id);
+               if (lastly != -1) {
+                       last_read.splice(lastly, 1);
+               }
+               while (last_read.length >= 10) {
+                       last_read.pop();
+               }
+               last_read.unshift(id);
+               window.localStorage.setItem('History.last_ids', last_read.join(';'));
+       }
+
+
+       self.bookmarks = function() {
+               var bookmarks = window.localStorage.getItem('History.bookmarks');
+               try {
+                       return JSON.parse(bookmarks) || [];
+               } catch (err) {
+                       return [];
+               }
+       };
+
+       self.addBookmark = function(name) {
+               var id=(new Date).getTime();
+               console.log("History.addBookmark: " + id);
+
+               var bms = self.bookmarks();
+               bms.unshift({
+                       id: id,
+                       name: name,
+                       title: View.currentTitle,
+                       view: View.currentView,
+                       par: View.currentPar,
+                       offset: currentOffset()
+               });
+               window.localStorage.setItem('History.bookmarks', JSON.stringify(bms));
+       }
+
+       self.deleteBookmark = function(id) {
+               console.log("History.deleteBookmark: " + id);
+               var bms = self.bookmarks();
+               for (b in bms) {
+                       if (bms[b].id == id) {
+                               bms.splice(b, 1);
+                       }
+               }
+               window.localStorage.setItem('History.bookmarks', JSON.stringify(bms));
+               View.onBookmarkChange();
+       }
+}