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Inject skip button into web interface
Text for the skip button and auto skip message can now be customized Closes ConfusedPolarBear#104, 105
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| Intro Skipper is made possible by the following open source projects: | ||
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| * License: MIT | ||
| * [acoustid-match](https://github.com/dnknth/acoustid-match) | ||
| * [JellyScrub](https://github.com/nicknsy/jellyscrub) |
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28 changes: 28 additions & 0 deletions
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ConfusedPolarBear.Plugin.IntroSkipper/Configuration/UserInterfaceConfiguration.cs
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| namespace ConfusedPolarBear.Plugin.IntroSkipper.Configuration; | ||
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| /// <summary> | ||
| /// User interface configuration. | ||
| /// </summary> | ||
| public class UserInterfaceConfiguration | ||
| { | ||
| /// <summary> | ||
| /// Initializes a new instance of the <see cref="UserInterfaceConfiguration"/> class. | ||
| /// </summary> | ||
| /// <param name="visible">Skip button visibility.</param> | ||
| /// <param name="text">Skip button text.</param> | ||
| public UserInterfaceConfiguration(bool visible, string text) | ||
| { | ||
| SkipButtonVisible = visible; | ||
| SkipButtonText = text; | ||
| } | ||
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| /// <summary> | ||
| /// Gets or sets a value indicating whether to show the skip intro button. | ||
| /// </summary> | ||
| public bool SkipButtonVisible { get; set; } | ||
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| /// <summary> | ||
| /// Gets or sets the text to display in the skip intro button. | ||
| /// </summary> | ||
| public string SkipButtonText { get; set; } | ||
| } |
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ConfusedPolarBear.Plugin.IntroSkipper/Configuration/inject.js
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| let nowPlayingItemSkipSegments = {}; | ||
| let videoPlayer = {}; | ||
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| function d(msg) { | ||
| console.debug("[intro skipper]", msg); | ||
| } | ||
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| /** Setup event listeners */ | ||
| function setup() { | ||
| document.addEventListener("viewshow", viewshow); | ||
| d("Registered hooks"); | ||
| } | ||
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| /** | ||
| * Event handler that runs whenever the current view changes. | ||
| * Used to detect the start of video playback. | ||
| */ | ||
| function viewshow() { | ||
| const location = window.location.hash; | ||
| d("Location changed to " + location); | ||
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| if (location !== "#!/video") { | ||
| d("Ignoring location change"); | ||
| return; | ||
| } | ||
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| d("Adding button CSS and element"); | ||
| injectSkipButtonCss(); | ||
| injectSkipButtonElement(); | ||
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| d("Hooking video timeupdate"); | ||
| videoPlayer = document.querySelector("video"); | ||
| videoPlayer.addEventListener("timeupdate", videoPositionChanged); | ||
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| d("Getting timestamps of introduction"); | ||
| getIntroTimestamps(); | ||
| } | ||
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| /** Get skip button UI configuration */ | ||
| async function getUserInterfaceConfiguration() { | ||
| const reqInit = { | ||
| headers: { | ||
| "Authorization": "MediaBrowser Token=" + ApiClient.accessToken() | ||
| } | ||
| } | ||
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| const res = await fetch("/Intros/UserInterfaceConfiguration", reqInit); | ||
| return await res.json(); | ||
| } | ||
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| /** | ||
| * Injects the CSS used by the skip intro button. | ||
| * Calling this function is a no-op if the CSS has already been injected. | ||
| */ | ||
| function injectSkipButtonCss() { | ||
| if (testElement("style#introSkipperCss")) | ||
| { | ||
| d("CSS already added"); | ||
| return; | ||
| } | ||
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| d("Adding CSS"); | ||
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| let styleElement = document.createElement("style"); | ||
| styleElement.id = "introSkipperCss"; | ||
| styleElement.innerText = ` | ||
| @media (hover:hover) and (pointer:fine) { | ||
| #skipIntro .paper-icon-button-light:hover:not(:disabled) { | ||
| color: black !important; | ||
| background-color: rgba(47, 93, 98, 0) !important; | ||
| } | ||
| } | ||
| #skipIntro.upNextContainer { | ||
| width: unset; | ||
| } | ||
| #skipIntro { | ||
| padding: 0 1px; | ||
| position: absolute; | ||
| right: 10em; | ||
| bottom: 9em; | ||
| background-color: rgba(25, 25, 25, 0.66); | ||
| border: 1px solid; | ||
| border-radius: 0px; | ||
| display: inline-block; | ||
| cursor: pointer; | ||
| box-shadow: inset 0 0 0 0 #f9f9f9; | ||
| -webkit-transition: ease-out 0.4s; | ||
| -moz-transition: ease-out 0.4s; | ||
| transition: ease-out 0.4s; | ||
| } | ||
| @media (max-width: 1080px) { | ||
| #skipIntro { | ||
| right: 10%; | ||
| } | ||
| } | ||
| #skipIntro:hover { | ||
| box-shadow: inset 400px 0 0 0 #f9f9f9; | ||
| -webkit-transition: ease-in 1s; | ||
| -moz-transition: ease-in 1s; | ||
| transition: ease-in 1s; | ||
| } | ||
| `; | ||
| document.querySelector("head").appendChild(styleElement); | ||
| } | ||
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| /** | ||
| * Inject the skip intro button into the video player. | ||
| * Calling this function is a no-op if the CSS has already been injected. | ||
| */ | ||
| async function injectSkipButtonElement() { | ||
| if (testElement(".btnSkipIntro")) { | ||
| d("Button already added"); | ||
| return; | ||
| } | ||
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| d("Adding button"); | ||
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| let config = await getUserInterfaceConfiguration(); | ||
| if (!config.SkipButtonVisible) { | ||
| d("Not adding button: not visible"); | ||
| return; | ||
| } | ||
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| // Construct the skip button div | ||
| const button = document.createElement("div"); | ||
| button.id = "skipIntro" | ||
| button.classList.add("hide"); | ||
| button.addEventListener("click", skipIntro); | ||
| button.innerHTML = ` | ||
| <button is="paper-icon-button-light" class="btnSkipIntro paper-icon-button-light"> | ||
| <span id="btnSkipIntroText"></span> | ||
| <span class="material-icons skip_next"></span> | ||
| </button> | ||
| `; | ||
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| /* | ||
| * Alternative workaround for #44. Jellyfin's video component registers a global click handler | ||
| * (located at src/controllers/playback/video/index.js:1492) that pauses video playback unless | ||
| * the clicked element has a parent with the class "videoOsdBottom" or "upNextContainer". | ||
| */ | ||
| button.classList.add("upNextContainer"); | ||
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| // Append the button to the video OSD | ||
| let controls = document.querySelector("div#videoOsdPage"); | ||
| controls.appendChild(button); | ||
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| document.querySelector("#btnSkipIntroText").textContent = config.SkipButtonText; | ||
| } | ||
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| /** Gets the introduction timestamps of the currently playing item. */ | ||
| async function getIntroTimestamps() { | ||
| let id = await getNowPlayingItemId(); | ||
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| const address = ApiClient.serverAddress(); | ||
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| const url = `${address}/Episode/${id}/IntroTimestamps`; | ||
| const reqInit = { | ||
| headers: { | ||
| "Authorization": `MediaBrowser Token=${ApiClient.accessToken()}` | ||
| } | ||
| }; | ||
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| fetch(url, reqInit).then(r => { | ||
| if (!r.ok) { | ||
| return; | ||
| } | ||
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| return r.json(); | ||
| }).then(intro => { | ||
| nowPlayingItemSkipSegments = intro; | ||
| }); | ||
| } | ||
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| /** Playback position changed, check if the skip button needs to be displayed. */ | ||
| function videoPositionChanged() { | ||
| // Ensure a skip segment was found. | ||
| if (!nowPlayingItemSkipSegments?.Valid) { | ||
| return; | ||
| } | ||
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| const skipButton = document.querySelector("#skipIntro"); | ||
| if (!skipButton) { | ||
| return; | ||
| } | ||
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| const position = videoPlayer.currentTime; | ||
| if (position >= nowPlayingItemSkipSegments.ShowSkipPromptAt && | ||
| position < nowPlayingItemSkipSegments.HideSkipPromptAt) { | ||
| skipButton.classList.remove("hide"); | ||
| return; | ||
| } | ||
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| skipButton.classList.add("hide"); | ||
| } | ||
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| /** Seeks to the end of the intro. */ | ||
| function skipIntro(e) { | ||
| d("Skipping intro"); | ||
| d(nowPlayingItemSkipSegments); | ||
| videoPlayer.currentTime = nowPlayingItemSkipSegments.IntroEnd; | ||
| } | ||
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| /** Looks up the ID of the currently playing item. */ | ||
| async function getNowPlayingItemId() { | ||
| d("Looking up ID of currently playing item"); | ||
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| let id = await ApiClient.getCurrentUserId(); | ||
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| let sessions = await ApiClient.getSessions(); | ||
| let filtered = sessions.filter(x => (x.UserId === id) && x.NowPlayingItem); | ||
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| d("Filtered " + sessions.length + " sessions down to " + filtered.length); | ||
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| return filtered[0].NowPlayingItem.Id; | ||
| } | ||
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| /** Tests if an element with the provided selector exists. */ | ||
| function testElement(selector) { return document.querySelector(selector); } | ||
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| setup(); |
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