Triggering popup.tsx from content.tsx

in my application, i should open the popup by clicking button on the content, how can i do that?

24 Replies

!question in my application, i should open the popup by clicking button on the content, how can i do that?

Pallas•15mo ago

To open the popup page of your Plasmo browser extension by clicking a button on the content page, you can follow these steps: 1. Create a button element in your content page's HTML file or dynamically create it using JavaScript. For example:

<button id="openPopupButton">Open Popup</button>

<button id="openPopupButton">Open Popup</button>

2. Add an event listener to the button to handle the click event. Inside the event handler, you can use the sendToPopup function from the @plasmohq/messaging library to send a message to the popup page. This will trigger the opening of the popup page. Here's an example:

import { sendToPopup } from "@plasmohq/messaging";

const openPopupButton = document.getElementById("openPopupButton");

openPopupButton.addEventListener("click", async () => {
  await sendToPopup({
    name: "openPopup",
    body: {
      // You can pass any additional data to the popup page if needed
    },
  });
});

import { sendToPopup } from "@plasmohq/messaging";

const openPopupButton = document.getElementById("openPopupButton");

openPopupButton.addEventListener("click", async () => {
  await sendToPopup({
    name: "openPopup",
    body: {
      // You can pass any additional data to the popup page if needed
    },
  });
});

3. In your popup page's TypeScript file (e.g., popup.tsx), you need to handle the "openPopup" message sent from the content page. You can do this by adding a message handler using the onMessage function from the @plasmohq/messaging library. Here's an example:

import { onMessage } from "@plasmohq/messaging";

onMessage("openPopup", async () => {
  // Perform any necessary actions when the popup is opened
});

import { onMessage } from "@plasmohq/messaging";

onMessage("openPopup", async () => {
  // Perform any necessary actions when the popup is opened
});

With these steps, when the button is clicked on the content page, it will send a message to the popup page, triggering the opening of the popup. You can then handle the "openPopup" message in the popup page's TypeScript file to perform any necessary actions. Remember to import the necessary functions from the @plasmohq/messaging library and ensure that your content script and popup script are properly configured in your extension's manifest file.

It's Sina•15mo ago

!question there is no sendToPopup in @plasmoh1/messaging

Pallas•15mo ago

Something went wrong.

It's Sina•15mo ago

!question there is no sendToPopup in @plasmohq/messaging

Pallas•15mo ago

In the Plasmo Framework, there is no built-in sendToPopup function in the @plasmohq/messaging library. However, you can still send messages from your background script to your popup script using the chrome.runtime.sendMessage method provided by the Chrome extension API. To send a message from your background script to your popup script, you can use the following code:

chrome.runtime.sendMessage({ name: "ping", body: { id: 123 } }, (response) => {
  console.log(response);
});

chrome.runtime.sendMessage({ name: "ping", body: { id: 123 } }, (response) => {
  console.log(response);
});

In your popup script, you can listen for this message using the chrome.runtime.onMessage event:

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.name === "ping") {
    // Handle the message
    sendResponse({ message: "Hello from popup" });
  }
});

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.name === "ping") {
    // Handle the message
    sendResponse({ message: "Hello from popup" });
  }
});

This code sets up a listener in your popup script that waits for messages with the name "ping". When a message is received, the listener can handle the message and send a response back to the background script using the sendResponse function. Note that the chrome.runtime.sendMessage method is asynchronous, so you can provide a callback function to handle the response from the popup script. Remember to include the necessary permissions in your manifest file to allow communication between the background script and the popup script:

{
  "permissions": [
    "tabs",
    "activeTab",
    "runtime"
  ],
  ...
}

{
  "permissions": [
    "tabs",
    "activeTab",
    "runtime"
  ],
  ...
}

By using the chrome.runtime.sendMessage method, you can effectively send messages from your background script to your popup script in a Plasmo-based browser extension.

It's Sina•15mo ago

!question cant i do that with the @plasmohq/messaging?

Pallas•15mo ago

Something went wrong.

It's Sina•15mo ago

!question cant i do that with the @plasmohq/messaging?

Pallas•15mo ago

Yes, you can use the @plasmohq/messaging library for sending and receiving messages in your browser extension. The library provides a declarative, type-safe, functional, and promise-based API for communication between different parts of your extension. To use the @plasmohq/messaging library, you need to import the sendToBackground function from the library. This function allows you to send messages from your extension's pages, content scripts, or tab pages to the background script. Here's an example of how you can use the sendToBackground function in your extension's popup page:

import { sendToBackground } from "@plasmohq/messaging"

// ...

const sendMessageToBackground = async () => {
  const resp = await sendToBackground({
    name: "ping",
    body: {
      id: 123
    }
  })

  console.log(resp)
}

// ...

return (
  <div>
    <button onClick={sendMessageToBackground}>
      Send Message to Background
    </button>
  </div>
)

import { sendToBackground } from "@plasmohq/messaging"

// ...

const sendMessageToBackground = async () => {
  const resp = await sendToBackground({
    name: "ping",
    body: {
      id: 123
    }
  })

  console.log(resp)
}

// ...

return (
  <div>
    <button onClick={sendMessageToBackground}>
      Send Message to Background
    </button>
  </div>
)

In this example, when the button is clicked, the sendMessageToBackground function is called. It uses the sendToBackground function to send a message with the name "ping" and a body object containing an id property. The sendToBackground function returns a promise that resolves with the response from the background script. You can use await to wait for the response and then log it to the console. Note that the message names are typed, which enables IntelliSense in your editor. This helps you avoid typos and provides auto-completion for message names. Overall, the @plasmohq/messaging library simplifies message passing between different parts of your extension and provides type safety and IntelliSense support for message names. It is a useful tool for browser extension developers using Plasmo Framework.

It's Sina•15mo ago

!question im sending this in content.tsx then how can it trigger the popup to showup?

Pallas•15mo ago

In a browser extension, the content script (content.tsx) runs in the context of the web page and does not have direct access to the popup or its components. However, you can communicate between the content script and the popup using message passing. To trigger the popup to show up from the content script, you can follow these steps: 1. In your content script (content.tsx), use the chrome.runtime.sendMessage method to send a message to the background script. For example:

chrome.runtime.sendMessage({ action: 'showPopup' });

chrome.runtime.sendMessage({ action: 'showPopup' });

2. In your background script (background.ts), listen for the message using the chrome.runtime.onMessage event listener. When the message is received, use the chrome.browserAction.setPopup method to set the popup page for the extension. For example:

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.action === 'showPopup') {
    chrome.browserAction.setPopup({ popup: 'popup.html' });
  }
});

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.action === 'showPopup') {
    chrome.browserAction.setPopup({ popup: 'popup.html' });
  }
});

3. Make sure you have a popup.html file in your extension's directory. This file will contain the HTML markup for your popup page. 4. When the popup page is set, the user can click on the extension's icon in the browser toolbar to open the popup. Note: The above steps assume you are using the Chrome extension API. If you are developing for a different browser, the API may have slight differences, but the general concept of message passing remains the same. By using message passing, you can trigger the popup to show up from the content script and perform any necessary actions or display information to the user.

It's Sina•15mo ago

!question i want to do all these steps with plasmo

Pallas•15mo ago

Something went wrong.

It's Sina•15mo ago

!question i want to do all these steps with plasmo

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Triggering popup.tsx from content.tsx