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Add early return to document picture-in-picture example to match docs #274

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merged 2 commits into from
May 8, 2024
Merged

Add early return to document picture-in-picture example to match docs #274

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8d4aba1
format file
joshfarrant May 8, 2024
4c363ed
add early return to match docs
joshfarrant May 8, 2024
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138 changes: 69 additions & 69 deletions document-picture-in-picture/main.js
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Original file line number Diff line number Diff line change
@@ -1,84 +1,84 @@

const videoPlayer = document.getElementById("player");
const playerContainer = document.getElementById("container");

const inPipMessage = document.getElementById("in-pip-message");

if ("documentPictureInPicture" in window) {
document.querySelector(".no-picture-in-picture").remove();

document.querySelector(".no-picture-in-picture").remove();

const togglePipButton = document.createElement("button");
togglePipButton.textContent = "Toggle Picture-in-Picture";
togglePipButton.addEventListener("click", togglePictureInPicture, false);
const togglePipButton = document.createElement("button");
togglePipButton.textContent = "Toggle Picture-in-Picture";
togglePipButton.addEventListener("click", togglePictureInPicture, false);

document.getElementById("controlbar").appendChild(togglePipButton);
document.getElementById("controlbar").appendChild(togglePipButton);
}

async function togglePictureInPicture() {
// Returns null if no pip window is currently open
if (!window.documentPictureInPicture.window) {

// Open a Picture-in-Picture window.
const pipWindow = await window.documentPictureInPicture.requestWindow({
width: videoPlayer.clientWidth,
height: videoPlayer.clientHeight + 50,
});

// Add pagehide listener to handle the case of the pip window being closed using the browser X button
pipWindow.addEventListener("pagehide", (event) => {
inPipMessage.style.display = "none";
playerContainer.append(videoPlayer);
});

// Copy style sheets over from the initial document
// so that the player looks the same.
[...document.styleSheets].forEach((styleSheet) => {
try {
const cssRules = [...styleSheet.cssRules].map((rule) => rule.cssText).join('');
const style = document.createElement('style');

style.textContent = cssRules;
pipWindow.document.head.appendChild(style);
} catch (e) {
const link = document.createElement('link');

link.rel = 'stylesheet';
link.type = styleSheet.type;
link.media = styleSheet.media;
link.href = styleSheet.href;
pipWindow.document.head.appendChild(link);
}
})

// Move the player to the Picture-in-Picture window.
pipWindow.document.body.append(videoPlayer);

// Display a message to say it has been moved
inPipMessage.style.display = "block";
} else {
inPipMessage.style.display = "none";
playerContainer.append(videoPlayer);
window.documentPictureInPicture.window.close();
}
// Early return if there's already a Picture-in-Picture window open
if (window.documentPictureInPicture.window) {
inPipMessage.style.display = "none";
playerContainer.append(videoPlayer);
window.documentPictureInPicture.window.close();
return;
}

// Open a Picture-in-Picture window.
const pipWindow = await window.documentPictureInPicture.requestWindow({
width: videoPlayer.clientWidth,
height: videoPlayer.clientHeight + 50,
});

// Add pagehide listener to handle the case of the pip window being closed using the browser X button
pipWindow.addEventListener("pagehide", (event) => {
inPipMessage.style.display = "none";
playerContainer.append(videoPlayer);
});

// Copy style sheets over from the initial document
// so that the player looks the same.
[...document.styleSheets].forEach((styleSheet) => {
try {
const cssRules = [...styleSheet.cssRules]
.map((rule) => rule.cssText)
.join("");
const style = document.createElement("style");

style.textContent = cssRules;
pipWindow.document.head.appendChild(style);
} catch (e) {
const link = document.createElement("link");

link.rel = "stylesheet";
link.type = styleSheet.type;
link.media = styleSheet.media;
link.href = styleSheet.href;
pipWindow.document.head.appendChild(link);
}
});

// Move the player to the Picture-in-Picture window.
pipWindow.document.body.append(videoPlayer);

// Display a message to say it has been moved
inPipMessage.style.display = "block";
}

documentPictureInPicture.addEventListener("enter", (event) => {
const pipWindow = event.window;
console.log("Video player has entered the pip window");

const pipMuteButton = pipWindow.document.createElement("button");
pipMuteButton.textContent = "Mute";
pipMuteButton.addEventListener("click", () => {
const pipVideo = pipWindow.document.querySelector("#video");
if (!pipVideo.muted) {
pipVideo.muted = true;
pipMuteButton.textContent = "Unmute";
} else {
pipVideo.muted = false;
pipMuteButton.textContent = "Mute";
}
});

pipWindow.document.body.append(pipMuteButton);
const pipWindow = event.window;
console.log("Video player has entered the pip window");

const pipMuteButton = pipWindow.document.createElement("button");
pipMuteButton.textContent = "Mute";
pipMuteButton.addEventListener("click", () => {
const pipVideo = pipWindow.document.querySelector("#video");
if (!pipVideo.muted) {
pipVideo.muted = true;
pipMuteButton.textContent = "Unmute";
} else {
pipVideo.muted = false;
pipMuteButton.textContent = "Mute";
}
});

pipWindow.document.body.append(pipMuteButton);
});