misc

web-extension/background.js

@@ -0,0 +1,44 @@
+var customStorage = null;
+
+function _getEbookPages() {
+    try {
+        // var allPages = localStorage.getItem('ebook');
+        var allPages = customStorage;
+        if (!allPages) {
+            allPages = [];
+        } else {
+            allPages = JSON.parse(allPages);
+        }
+        return allPages;
+    } catch (e) {
+        alert(e);
+        return [];
+    }
+}
+
+function _saveEbookPages(pages) {
+    try {
+        // localStorage.setItem('ebook', JSON.stringify(pages));
+        customStorage = JSON.stringify(pages);
+    } catch (e) {
+        alert(e);
+    }
+}
+
+function _removeEbook() {
+    // localStorage.removeItem('ebook');
+    customStorage = null;
+}
+
+chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
+    if (request.type === 'get') {
+        sendResponse({allPages: _getEbookPages()});
+    }
+    if (request.type === 'set') {
+        _saveEbookPages(request.pages);
+    }
+    if (request.type === 'remove') {
+        _removeEbook();
+    }
+    return true;
+});