background.js

chrome.runtime.onInstalled.addListener(function (details) {

    if (details.reason === chrome.runtime.OnInstalledReason.INSTALL) {


        var settings = {

            popup_width: 400,
            popup_height: 100,

            CSS_COLORS_COUNT: 20,
            CSSprefix1: "chrome-extension-FindManyStrings",
            CSSprefix2: "chrome-extension-FindManyStrings-style-",
            CSSprefix3: "CE-FMS-",


            delim: ',',
            isAlwaysSearch: true,
            isOn: true,
            isCasesensitive: false,
            isInstant: true,
            isNewlineNewColor: true,
            isSaveKws: true,
            isWholeWord: false,
            latest_keywords: [],


            enableAddKw: true,
            enableRemoveKw: true
        }


        chrome.contextMenus.create({
            title: 'Add Keyword',
            id: 'addKw',
            contexts: ['selection'],
        });
        chrome.contextMenus.create({
            title: 'Remove Keyword',
            id: 'removeKw',
            contexts: ['selection'],
        });

        chrome.storage.local.set({ 'settings': settings });

    } else {

        chrome.storage.local.get(['settings'], function (result) {
            var settings = result.settings;

            handle_addKw_change(settings.enableAddKw);
            handle_removeKw_change(settings.enableRemoveKw);
            handle_popupSize_change(settings.popup_height, settings.popup_width);
        });
    }

});


chrome.tabs.onUpdated.addListener(function (tabId, changeInfo) {
    if (changeInfo.status === 'complete' || changeInfo.title || changeInfo.url) {

        chrome.storage.local.get(['settings'], function (result) {
            var settings = result.settings;
            var tabkey = get_tabkey(tabId);
            console.log("[" + tabkey + "] onUpdated " + changeInfo.status);
            var tabinfo = {};
            tabinfo.id = tabId;
            tabinfo.keywords = settings.isSaveKws ? settings.latest_keywords : [];
            chrome.storage.local.set({ [tabkey]: tabinfo });
        });


    }

});


chrome.contextMenus.onClicked.addListener(function getword(info, tab) {
    var tabId = tab.id;
    var tabkey = get_tabkey(tabId);
    var kw = info.selectionText.toLowerCase().split(' ')[0];

    if (info.menuItemId === "removeKw") {
        chrome.storage.local.get(["settings", tabkey], function (result) {
            var settings = result.settings;
            var tabinfo = result[tabkey];
            var kws = tabinfo.keywords;

            var pos = -1;
            for (var i = 0, len = kws.length; i < len; ++i) {
                if (kws[i].kwStr === kw) {
                    pos = i;
                    break;
                }
            }
            if (pos < 0) return;
            chrome.tabs.sendMessage(tabId, {
                action: "_hl_clear",
                removedKws: [kws[pos]],
            });

            tabinfo.keywords.splice(pos, 1);
            settings.latest_keywords = tabinfo.keywords;
            chrome.storage.local.set({ [tabkey]: tabinfo, "settings": settings }, function () {
            });
        });
    } else if (info.menuItemId === "addKw") {
        chrome.storage.local.get(["settings", tabkey], function (result) {
            settings = result.settings;
            tabinfo = result[tabkey];

            if (settings.isNewlineNewColor) {
                addedKw = { kwGrp: 0, kwStr: kw };
                tabinfo.keywords.unshift(addedKw);
            } else {
                addedKw = { kwGrp: (tabinfo.keywords.length % 20), kwStr: kw };
                tabinfo.keywords.push(addedKw);
            }
            chrome.tabs.sendMessage(tabId, {
                action: "_hl_search",
                addedKws: [addedKw],
            });

            settings.latest_keywords = tabinfo.keywords;
            chrome.storage.local.set({ [tabkey]: tabinfo, "settings": settings }, function () {
            });
        });
    }

});


function handle_addKw_change(enableIt) {
    chrome.storage.local.get(['settings'], function (result) {
        if (enableIt) {
            chrome.contextMenus.create({
                title: 'Add Keyword',
                id: 'addKw',
                contexts: ['selection'],
            });
            result.settings.enableAddKw = true;
        } else {
            chrome.contextMenus.remove("addKw");
            result.settings.enableAddKw = false;
        }

        chrome.storage.local.set({ 'settings': result.settings });
    });
}


function handle_removeKw_change(enableIt) {
    chrome.storage.local.get(['settings'], function (result) {
        if (enableIt) {
            chrome.contextMenus.create({
                title: 'Remove Keyword',
                id: 'removeKw',
                contexts: ['selection'],
            });
            result.settings.enableRemoveKw = true;
        } else {
            chrome.contextMenus.remove("removeKw");
            result.settings.enableRemoveKw = false;
        }

        chrome.storage.local.set({ 'settings': result.settings });
    });
}


function handle_popupSize_change(newHeight, newWidth) {
    chrome.storage.local.get(['settings'], function (result) {
        is_changed = false;
        if (newHeight) {
            result.settings.popup_height = newHeight;
            is_changed = true;
        }
        if (newWidth) {
            result.settings.popup_width = newWidth;
            is_changed = true;
        }
        if (is_changed) {
            chrome.storage.local.set({ 'settings': result.settings });
        }
    });
}


chrome.runtime.onMessage.addListener(function (request, sender, sendResponse) {
    if (request.action == "getTabId") {
        sendResponse({ tabId: sender.tab.id });
    } else if (request.action == "handle_addKw_change") {
        handle_addKw_change(request.enableIt);
    } else if (request.action == "handle_removeKw_change") {
        handle_removeKw_change(request.enableIt);
    } else if (request.action == "handle_popupSize_change") {
        handle_popupSize_change(request.newHeight, request.newWidth);
    }
});