extension.js

$(document).ready(function () {
    var GET_FILTER_STRING = "getFilterString";
    var SAVE_FILTER_DATA = "saveFilterData";
    const OKAY = "ok";
    const OPEN_ISSUE_BOARD_PAGE = "openIssueBoardPage";
    const RELOAD_PAGE = "reloadPage";
    const ISSUE_BOARD_PAGE = "swimlanes.html";
    var GET_STORED_VALUES_FOR_BOARD = "getBoardParameters";
    var OAUTH_STORAGE_KEY = "oath_key";
    var GET_PREFERRED_REPO = "getPreferredRepo";
    var STORED_REPO_KEY = "preferredRepo";
    var GET_FILTER_STRING = "getFilterString";
    var SAVE_FILTER_DATA = "saveFilterData";
    var OAUTH_STORAGE_KEY = "oath_key";
    var GET_PREFERRED_REPO = "getPreferredRepo";
    var STORED_REPO_KEY = "preferredRepo";
    var STORED_MILESTONE_KEY = "preferredMileStone";
    var STORED_MILESTONE_VALUE = "";
    var LABEL_1_KEY = "label_1";
    var LABEL_2_KEY = "label_2";
    var LABEL_3_KEY = "label_3";
    var LABEL_4_KEY = "label_4";
    var LABEL_1_VALUE = "";
    var LABEL_2_VALUE = "";
    var LABEL_3_VALUE = "";
    var LABEL_4_VALUE = "";
    var SAVE_PARAMETER_ACTION = "saveParameters";
    var EXCLUDE_PAGES = "excluedPages";
    var INCLUDE_ONLY_PAGES = "includeOnlyPages";
    var FILTER_OPTION = "filterOption";
    var READ_FILE = "read_file";

    //populate filter text area after page load.
    populateFilterTextArea();





    /**
     ** Add message listners for messages. Listeners listen for message from popup.js and dom.js
     ** These listeners serve as trigger to take appropriate action.
     **/
    chrome.runtime.onMessage.addListener(function (request, sender, sendResponse) {
        switch (request.action) {
            case READ_FILE :
                $.ajax({
                    url: chrome.extension.getURL(ISSUE_BOARD_PAGE),
                    dataType: "html",
                    success: function (html) {
                        sendResponse({page: html});
                    }
                });
                break;
            case GET_FILTER_STRING :
                chrome.storage.sync.get([FILTER_STRING_KEY], function (data) {
                    if (data) {
                        filterString = data.filterString;
                        sendResponse({filterString: filterString});
                    }
                });
                break;
            case SAVE_FILTER_DATA :
                filterPages = request.data
                var valuePair = {};
                valuePair[request.key] = filterPages;
                valuePair[FILTER_OPTION] = request.filterOption;
                chrome.storage.sync.set(valuePair, function () {
                    if (chrome.runtime.lastError) {
                        sendResponse({status: chrome.runtime.lastError.message});
                    }
                    sendResponse({status: OKAY});
                });
                break;
            case OPEN_ISSUE_BOARD_PAGE :
                var boardPageUrl = chrome.extension.getURL(ISSUE_BOARD_PAGE);
                chrome.tabs.create({url: boardPageUrl});
                break;
            case GET_STORED_VALUES_FOR_BOARD :
                var oauthValue = "";
                chrome.storage.sync.get([OAUTH_STORAGE_KEY, STORED_REPO_KEY, STORED_MILESTONE_KEY, LABEL_1_KEY, LABEL_2_KEY, LABEL_3_KEY, LABEL_4_KEY], function (data) {
                    if (data) {
                        oauthValue = data;
                        sendResponse({oauthValue: oauthValue});
                    }
                });
                break;
            case GET_PREFERRED_REPO :
                chrome.storage.sync.get(STORED_REPO_KEY, function (data) {
                    if (data) {
                        sendResponse({preferredRepo: data});
                    }
                });
                break;
            case 'browseAndUpload' :
                console.log('upload called');

                //fileChooser.click();
                break;
            case SAVE_PARAMETER_ACTION:
                var valueToSave = request.valueObj;
                var keyForSave = request.key;
                var valuePair = {};
                valuePair[keyForSave] = valueToSave;
                chrome.storage.sync.set(valuePair, function () {
                    if (chrome.runtime.lastError) {
                        sendResponse({status: chrome.runtime.lastError.message});
                    }
                    sendResponse({status: OKAY});
                });
                break;
            default :
        }
        return true;
    });



    /**
     * Add change listner for storage changes.
     * Triggers when key:value stored in chrome local storage changes.
     **/
    chrome.storage.onChanged.addListener(function (changes, namespace) {
        //reload current page to reflect changes in filter data
        chrome.tabs.query({currentWindow: true, active: true}, function (tabs) {
            chrome.tabs.reload(tabs[0].id);
        });
    });


    //Method to get filter string from chrome storage
    //@author nimesh
    function getFilterStringFromStorage() {
        filterString = "";
        chrome.storage.sync.get([FILTER_STRING_KEY], function (data) {
            if (data) {
                filterString = data.filterString;
            }
        });
        return filterString;
    }

    //Method to populate filter text area.
    //@author nimesh
    function populateFilterTextArea() {
        chrome.storage.sync.get([EXCLUDE_PAGES, INCLUDE_ONLY_PAGES, FILTER_OPTION], function (data) {
            if (data) {
                $('#filterArea1').val(data[EXCLUDE_PAGES]);
                $('#filterArea2').val(data[INCLUDE_ONLY_PAGES]);
                var filterOption = data[FILTER_OPTION];
                if (filterOption == 1) {
                    $('#exclusive').prop('checked', true);
                    $('#filterArea1').prop('disabled', false);
                }
                else if (filterOption == 0) {
                    $('#inclusive').prop('checked', true);
                    $('#filterArea2').prop('disabled', false);
                }
            }
        });
    }
});