Javascript chrome扩展浏览器操作点击切换
我喜欢在chrome扩展中切换browserAction,它应该是独立于选项卡的 这是密码 Manifest.jsonJavascript chrome扩展浏览器操作点击切换,javascript,google-chrome,google-chrome-extension,Javascript,Google Chrome,Google Chrome Extension,我喜欢在chrome扩展中切换browserAction,它应该是独立于选项卡的 这是密码 Manifest.json { "name": "Toggle", "version": "1.0", "description": "Build an Extension!", "manifest_version": 2, "permissions": ["activeTab"], "icons": {
{
"name": "Toggle",
"version": "1.0",
"description": "Build an Extension!",
"manifest_version": 2,
"permissions": ["activeTab"],
"icons": {
"16": "images/hand16.png",
"32": "images/hand32.png",
"48": "images/hand48.png"
},
"background": {
"scripts": ["background.js"],
"persistent": false
},
"content_scripts": [
{
"matches": [
"<all_urls>"
],
"js": ["jquery.min.js","content.js"]
}
],
"browser_action": {
"default_icon": "images/hand16.png",
"default_title": "toggle"
}
}
background.js
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "current-tab"){
console.log('activated');
chrome.runtime.sendMessage({"message": "set_active_icon"});
}
if(request.message === "deactivate"){
console.log('deactivated');
chrome.runtime.sendMessage({"message": "set_default_icon"});
}
});
click=0;
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
if(click == 0){
chrome.tabs.sendMessage(tabs[0].id, {"message": "current-tab"});
click=1;
}
else{
chrome.tabs.sendMessage(tabs[0].id, {"message": "deactivate"});
click=0;
}
});
});
// Icon change
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if( request.message === "set_active_icon" ) {
console.log('suces');
chrome.browserAction.setIcon({
path: "images/grab.png",
tabId: sender.tab.id
});
}
else if (request.message === "set_default_icon") {
chrome.browserAction.setIcon({
path: "images/hand16.png",
tabId: sender.tab.id
});
}
});
// Let each content script manage its own active state.
let isActive = false;
// When the background page sends a message telling this tab to toggle its
// active state, do so, and then respond with the new active state.
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "toggle-tab") {
isActive = !isActive; // toggle the active state
sendResponse(isActive); // respond with the new active state
}
});
// When the browserAction click occurs, tell the content script to
// toggle its own active state. When the content script responds with
// its new active state, set the right icon.
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.sendMessage(tab.id, {message: "toggle-tab"}, function(isActive) {
setIcon(tab.id, isActive);
});
});
// Set the right icon in the given tab id, depending on that tab's active state.
function setIcon(tabId, isActive) {
const path = isActive ? "images/grab.png" : "images/hand16.png";
chrome.browserAction.setIcon({
path, tabId
});
}
您可以注意到,当单击图标时,控制台中会显示“已激活”,再次单击时,您会看到“已停用”消息,但当您在其他选项卡中重复相同操作时,脚本将在您在上一选项卡中停止的位置工作,但我需要它独立于选项卡,我知道这是因为我声明为“click”的全局变量,不确定如何以不同的方式处理它,或者我缺少一些属性?
我是否需要使用本地存储,如果需要,如何使用
提前感谢现在,您似乎正在全局跟踪
单击
状态。您需要为每个选项卡单独跟踪它
您可以通过将该逻辑放入内容脚本中来实现这一点。让背景页面监听浏览操作
点击,然后向相关选项卡发送切换选项卡
消息。然后,选项卡就可以用当前的活动状态响应消息,后台页面可以相应地设置图标
另一个注意事项:您不必通过发送新消息来响应消息。这就是addListener
回调的sendResponse
参数的作用。chrome.tabs.sendMessage
函数接受第三个参数,该参数是一个回调函数,用于接收传递给sendResponse
的参数。例如:
content.js
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "current-tab"){
console.log('activated');
chrome.runtime.sendMessage({"message": "set_active_icon"});
}
if(request.message === "deactivate"){
console.log('deactivated');
chrome.runtime.sendMessage({"message": "set_default_icon"});
}
});
click=0;
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
if(click == 0){
chrome.tabs.sendMessage(tabs[0].id, {"message": "current-tab"});
click=1;
}
else{
chrome.tabs.sendMessage(tabs[0].id, {"message": "deactivate"});
click=0;
}
});
});
// Icon change
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if( request.message === "set_active_icon" ) {
console.log('suces');
chrome.browserAction.setIcon({
path: "images/grab.png",
tabId: sender.tab.id
});
}
else if (request.message === "set_default_icon") {
chrome.browserAction.setIcon({
path: "images/hand16.png",
tabId: sender.tab.id
});
}
});
// Let each content script manage its own active state.
let isActive = false;
// When the background page sends a message telling this tab to toggle its
// active state, do so, and then respond with the new active state.
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "toggle-tab") {
isActive = !isActive; // toggle the active state
sendResponse(isActive); // respond with the new active state
}
});
// When the browserAction click occurs, tell the content script to
// toggle its own active state. When the content script responds with
// its new active state, set the right icon.
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.sendMessage(tab.id, {message: "toggle-tab"}, function(isActive) {
setIcon(tab.id, isActive);
});
});
// Set the right icon in the given tab id, depending on that tab's active state.
function setIcon(tabId, isActive) {
const path = isActive ? "images/grab.png" : "images/hand16.png";
chrome.browserAction.setIcon({
path, tabId
});
}
background.js
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "current-tab"){
console.log('activated');
chrome.runtime.sendMessage({"message": "set_active_icon"});
}
if(request.message === "deactivate"){
console.log('deactivated');
chrome.runtime.sendMessage({"message": "set_default_icon"});
}
});
click=0;
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
if(click == 0){
chrome.tabs.sendMessage(tabs[0].id, {"message": "current-tab"});
click=1;
}
else{
chrome.tabs.sendMessage(tabs[0].id, {"message": "deactivate"});
click=0;
}
});
});
// Icon change
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if( request.message === "set_active_icon" ) {
console.log('suces');
chrome.browserAction.setIcon({
path: "images/grab.png",
tabId: sender.tab.id
});
}
else if (request.message === "set_default_icon") {
chrome.browserAction.setIcon({
path: "images/hand16.png",
tabId: sender.tab.id
});
}
});
// Let each content script manage its own active state.
let isActive = false;
// When the background page sends a message telling this tab to toggle its
// active state, do so, and then respond with the new active state.
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "toggle-tab") {
isActive = !isActive; // toggle the active state
sendResponse(isActive); // respond with the new active state
}
});
// When the browserAction click occurs, tell the content script to
// toggle its own active state. When the content script responds with
// its new active state, set the right icon.
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.sendMessage(tab.id, {message: "toggle-tab"}, function(isActive) {
setIcon(tab.id, isActive);
});
});
// Set the right icon in the given tab id, depending on that tab's active state.
function setIcon(tabId, isActive) {
const path = isActive ? "images/grab.png" : "images/hand16.png";
chrome.browserAction.setIcon({
path, tabId
});
}
现在,您似乎正在全局跟踪
单击
状态。您需要为每个选项卡单独跟踪它
您可以通过将该逻辑放入内容脚本中来实现这一点。让背景页面监听浏览操作
点击,然后向相关选项卡发送切换选项卡
消息。然后,选项卡就可以用当前的活动状态响应消息,后台页面可以相应地设置图标
另一个注意事项:您不必通过发送新消息来响应消息。这就是addListener
回调的sendResponse
参数的作用。chrome.tabs.sendMessage
函数接受第三个参数,该参数是一个回调函数,用于接收传递给sendResponse
的参数。例如:
content.js
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "current-tab"){
console.log('activated');
chrome.runtime.sendMessage({"message": "set_active_icon"});
}
if(request.message === "deactivate"){
console.log('deactivated');
chrome.runtime.sendMessage({"message": "set_default_icon"});
}
});
click=0;
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
if(click == 0){
chrome.tabs.sendMessage(tabs[0].id, {"message": "current-tab"});
click=1;
}
else{
chrome.tabs.sendMessage(tabs[0].id, {"message": "deactivate"});
click=0;
}
});
});
// Icon change
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if( request.message === "set_active_icon" ) {
console.log('suces');
chrome.browserAction.setIcon({
path: "images/grab.png",
tabId: sender.tab.id
});
}
else if (request.message === "set_default_icon") {
chrome.browserAction.setIcon({
path: "images/hand16.png",
tabId: sender.tab.id
});
}
});
// Let each content script manage its own active state.
let isActive = false;
// When the background page sends a message telling this tab to toggle its
// active state, do so, and then respond with the new active state.
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "toggle-tab") {
isActive = !isActive; // toggle the active state
sendResponse(isActive); // respond with the new active state
}
});
// When the browserAction click occurs, tell the content script to
// toggle its own active state. When the content script responds with
// its new active state, set the right icon.
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.sendMessage(tab.id, {message: "toggle-tab"}, function(isActive) {
setIcon(tab.id, isActive);
});
});
// Set the right icon in the given tab id, depending on that tab's active state.
function setIcon(tabId, isActive) {
const path = isActive ? "images/grab.png" : "images/hand16.png";
chrome.browserAction.setIcon({
path, tabId
});
}
background.js
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "current-tab"){
console.log('activated');
chrome.runtime.sendMessage({"message": "set_active_icon"});
}
if(request.message === "deactivate"){
console.log('deactivated');
chrome.runtime.sendMessage({"message": "set_default_icon"});
}
});
click=0;
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
if(click == 0){
chrome.tabs.sendMessage(tabs[0].id, {"message": "current-tab"});
click=1;
}
else{
chrome.tabs.sendMessage(tabs[0].id, {"message": "deactivate"});
click=0;
}
});
});
// Icon change
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if( request.message === "set_active_icon" ) {
console.log('suces');
chrome.browserAction.setIcon({
path: "images/grab.png",
tabId: sender.tab.id
});
}
else if (request.message === "set_default_icon") {
chrome.browserAction.setIcon({
path: "images/hand16.png",
tabId: sender.tab.id
});
}
});
// Let each content script manage its own active state.
let isActive = false;
// When the background page sends a message telling this tab to toggle its
// active state, do so, and then respond with the new active state.
chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
if(request.message === "toggle-tab") {
isActive = !isActive; // toggle the active state
sendResponse(isActive); // respond with the new active state
}
});
// When the browserAction click occurs, tell the content script to
// toggle its own active state. When the content script responds with
// its new active state, set the right icon.
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.tabs.sendMessage(tab.id, {message: "toggle-tab"}, function(isActive) {
setIcon(tab.id, isActive);
});
});
// Set the right icon in the given tab id, depending on that tab's active state.
function setIcon(tabId, isActive) {
const path = isActive ? "images/grab.png" : "images/hand16.png";
chrome.browserAction.setIcon({
path, tabId
});
}
1) 将选项卡id指定为setIcon中的第一个参数,请参阅文档。2) 使用chrome.storage.local来存储
单击状态,方法是使用tab id作为键。您能否详细介绍一下,如何存储tabid,您能否给出一个示例代码?1)将tab id指定为setIcon中的第一个参数,请参阅文档。2) 使用chrome.storage.local来存储单击状态,方法是使用选项卡id作为键。您能否详细介绍一下,如何存储选项卡id,您能否给出一个示例代码?