Simple HTML5 video player

Replaces any default HTML5 player with custom controls

目前為 2020-04-24 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Simple HTML5 video player
// @description  Replaces any default HTML5 player with custom controls
// @grant        GM_addStyle
// @include *
// @run-at document-load
// @version 4.6
// @namespace https://greasyfork.org/users/3167
// ==/UserScript==

var videowrapper_init = false;

function HHMMSS(num) {
    num = num || 0;
    var sec_num = Math.floor(num);

    var hours   = Math.floor(sec_num / 3600);
    var minutes = Math.floor((sec_num - (hours * 3600)) / 60);
    var seconds = sec_num - (hours * 3600) - (minutes * 60);

    if (hours   < 10) {hours   = "0"+hours;}
    if (minutes < 10) {minutes = "0"+minutes;}
    if (seconds < 10) {seconds = "0"+seconds;}

    if (hours<1) {
        return minutes+':'+seconds;
    }
    return hours+':'+minutes+':'+seconds;
}

function fs_status() {
    if (document.fullscreenElement) {
        return 1;
    }
    else if (document.webkitFullscreenElement) {
        return 1;
    }
    else if (document.mozFullScreenElement) {
        return 1;
    }
    else return -1;
}

function init_videowrapper() {

    var videos = document.getElementsByTagName('video');
    for (var i=0; i<videos.length; i++) {

        (function(video) {
            if (video.controls==true && !video.iswrapped) {
                var spacing = 4;
              
                var computedStyle = window.getComputedStyle(video);
              
                video.controls_timeout=false;
              
				
                video.controls=false;
                video.iswrapped=true;

                var videowrapper = document.createElement('videowrapper');
                videowrapper.className=video.className;
                
                var showui = function() {
                    videowrapper.classList.add("showui");
                }
                var hideui = function() {
                    videowrapper.classList.remove("showui");
                }
                var peekui = function(duration) {
                    duration = duration || 1000;
                  
                    showui();
                    if (video.controls_timeout) {
                      clearTimeout(video.controls_timeout);
                    }
                    
                    video.controls_timeout = setTimeout(hideui, duration);
                }
              
                if (computedStyle.position == "absolute") {
                  videowrapper.className="absolute";
                } else {
                  videowrapper.className="relative";
                }
              
                if (video.height>0) {
                  videowrapper.style.height=video.height;
                }                
                if (video.width>0) {
                  videowrapper.style.width=video.width;
                }
              
                video.className = "iswrapped";

                if (video.parentNode==document.body && document.body.childNodes.length==1) {
                    document.body.style.display="flex";
                    document.body.style.alignItems="center";
                    document.body.style.justifyContent="center";
                    document.body.style.margin="0";
                    
                    videowrapper.style.display="inline-block";
                }

                if (video.parentNode!=videowrapper) { 
                    video.parentNode.insertBefore(videowrapper, video); 
                    videowrapper.appendChild(video);
                }

                var controls = document.createElement('controls');
                video.parentNode.insertBefore(controls, video.nextSibling);

                var playbutton = document.createElement('button');
                controls.appendChild(playbutton);
                playbutton.innerHTML="&#x25b6;";

                playbutton.style.left = spacing + "px";

                var timestamp = document.createElement('span');
                controls.appendChild(timestamp);
                timestamp.innerHTML="0:00/0:00";

                timestamp.style.left = (spacing + playbutton.clientWidth + spacing) + "px";

              
                var fsbutton = document.createElement('button');
                controls.appendChild(fsbutton);
                fsbutton.innerHTML="&#x25a1;";

                fsbutton.style.right = spacing + "px";

                var volumebar = document.createElement('input');
                controls.appendChild(volumebar);
                volumebar.type="range";
                volumebar.min=0;
                volumebar.max=1;

                volumebar.step=0.01;
                volumebar.value=0.5;
                volumebar.innerHTML="";

                volumebar.style.width="50px";
                volumebar.style.right= (spacing + fsbutton.clientWidth + spacing) + "px";

                            
                var mutebutton = document.createElement('button');
                controls.appendChild(mutebutton);
                mutebutton.innerHTML="&#x1f50a;";
                mutebutton.style.right=(spacing + volumebar.clientWidth + spacing + fsbutton.clientWidth + spacing) + "px";

              
                var seekbar = document.createElement('input');
                controls.appendChild(seekbar);
                seekbar.type="range";
                seekbar.value=0;
                seekbar.step=0.01;
                seekbar.innerHTML="";

                seekbar.hidden = true;

                var header = document.createElement('header');
                video.parentNode.insertBefore(header, video.nextSibling);

                var label = document.createElement('label');
                header.appendChild(label);
                label.innerHTML="Loading...";

                /*
			var savebutton = document.createElement('a');
			controls.appendChild(savebutton);
			savebutton.innerHTML="&#x1f847;";
			savebutton.style.lineHeight="32px";
			savebutton.style.position="absolute";
			savebutton.style.right="8px";
			savebutton.style.bottom="0";
			savebutton.style.border="none";
			savebutton.style.paddingTop="0";
			savebutton.style.paddingBottom="0";
			savebutton.style.paddingLeft="4px";
			savebutton.style.paddingRight="4px";
			savebutton.style.background="none";
			savebutton.style.fontFamily="Segoe UI Symbol";
			savebutton.style.fontSize="18px";
			savebutton.style.margin="0";
			savebutton.style.height="32px";

			savebutton.href=video.currentSrc;
			savebutton.download="";
				
*/
				var playvideo = function() {
					video.play();						
					if (video.livemode) {
						video.currentTime = video.duration;
					}
				}

                playbutton.addEventListener("click", function() {
                    if (video.paused == true) {
                        playvideo();
                    } else {
                        video.pause();
                    }
                });

                video.addEventListener("click", function() {
                    if (video.paused == true) {
                        playvideo();
                    } else {
                        video.pause();
                    }
                });

                video.addEventListener("play", function() {
                    playbutton.innerHTML = "&#10074;&#10074;";
                    //controls.className="playing";
                    videowrapper.classList.remove("paused");
                    videowrapper.classList.add("playing");
                });

                video.addEventListener("pause", function() {
                    playbutton.innerHTML = "&#x25b6;";
                    //controls.className="paused";
                    videowrapper.classList.remove("playing");
                    videowrapper.classList.add("paused");
                });
				
				var updatetimestamp = function() {
					if (video.livemode) {
						timestamp.innerHTML = "";
					} else {
						timestamp.innerHTML = HHMMSS(video.currentTime) + "/" + HHMMSS(video.duration);
					}
				}

                video.addEventListener("timeupdate", function() {
					updatetimestamp();
                });

                video.addEventListener("durationchange", function() {
                    updatetimestamp();
                });

                mutebutton.addEventListener("click", function() {
                    if (video.muted == false) {
                        video.muted = true;
                    } else {
                        video.muted = false;
                    }
                });

                var togglefs = function() {
                    if (fs_status()>0) {
                        if (document.exitFullscreen) {
                            document.exitFullscreen();
                        } else if (document.webkitExitFullscreen) {
                            document.webkitExitFullscreen();
                        } else if (document.mozCancelFullScreen) {
                            document.mozCancelFullScreen();
                        } else if (document.msExitFullscreen) {
                            document.msExitFullscreen();
                        }
                    }
                    else {

                        if (videowrapper.requestFullscreen) {
                            videowrapper.requestFullscreen();
                        } else if (videowrapper.mozRequestFullScreen) {
                            videowrapper.mozRequestFullScreen(); // Firefox
                        } else if (videowrapper.webkitRequestFullscreen) {
                            videowrapper.webkitRequestFullscreen(); // Chrome and Safari
                        }
                    }
                };
              
                fsbutton.addEventListener("click", togglefs);
              
                videowrapper.addEventListener("dblclick", togglefs);

                seekbar.addEventListener("input", function() {
                    var time = video.duration * (seekbar.value / 100);
                    video.currentTime = time;

                });


                video.addEventListener("timeupdate", function() {
                    var value = (100 / video.duration) * video.currentTime;
                    var progress = (video.currentTime / video.duration);
                    seekbar.value = value;
                    //seekbar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + progress + ', var(--range-progress-color)), color-stop(' + progress + ', var(--range-background-color)))';
                });

                var updatebuffer = function() {
								
					if (video.duration == Infinity || video.hls || video.livemode) {
						video.livemode = true;
					}
				
					if (video.livemode) {
						seekbar.hidden = true;
						
						label.innerHTML = "Live";
					} else {
					
						var start = video.buffered.length>0 ? ( video.buffered.start(0) / video.duration) : 0;
						var end = video.buffered.length>0 ? (video.buffered.end(0) / video.duration) : 0;
					  
						seekbar.hidden = false;
					  
						seekbar.style.left = (spacing + playbutton.clientWidth + spacing + timestamp.clientWidth + spacing) + "px";
						seekbar.style.right= (spacing + mutebutton.clientWidth + spacing + volumebar.clientWidth + spacing + fsbutton.clientWidth + spacing) + "px";
						seekbar.style.width='calc(100% - ' + seekbar.style.left + ' - ' + seekbar.style.right + ')';
					  
						seekbar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + start + ', var(--range-background-color)), color-stop(' + start + ', var(--range-progress-color)), color-stop(' + end  + ', var(--range-progress-color)), color-stop(' + end + ', var(--range-background-color)))';

						if (video.currentSrc && video.currentSrc.length>0) {
							label.innerHTML = decodeURIComponent(video.currentSrc.split("/").pop());
						}
					}

					if (video.videoHeight>0) {
						videowrapper.classList.remove("audiomode");
						videowrapper.classList.add("videomode");
					} else {
						videowrapper.classList.remove("videomode");
						videowrapper.classList.add("audiomode");
					}

                };

                video.addEventListener("timeupdate", updatebuffer);
                video.addEventListener("canplay", updatebuffer);
                video.addEventListener("progress", updatebuffer);
                video.addEventListener("canplaythrough", updatebuffer);

                seekbar.addEventListener("mousedown", function() {
                    seekbar.paused = video.paused;
                    video.pause();
                });

                // Play the video when the slider handle is dropped
                seekbar.addEventListener("mouseup", function() {
                    if (!seekbar.paused) {
                        video.play();
                    }
                });

                volumebar.addEventListener("input", function() {
                    video.volume = volumebar.value;
                });
                
                video.addEventListener('wheel', function(e) {
                    e.preventDefault();
                    var volumedelta = 0.10;
                    if (e.deltaY < 0) {
                        video.volume = Math.min(video.volume+volumedelta, 1);
                    }
                    if (e.deltaY > 0) {
                        video.volume = Math.max(video.volume-volumedelta, 0);
                    }
                    volumebar.value = video.volume;
                                    
                    peekui(1000);
                });
             

                var updatevolume = function() {
                    if (video.muted || video.volume==0) {
                        mutebutton.innerHTML = "&#x1f507;";
                    } else {
                        mutebutton.innerHTML = "&#x1f50a;";
                    }
                    volumebar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + video.volume + ', var(--range-progress-color)), color-stop(' + video.volume + ', var(--range-background-color)))';
                    
                    localStorage.setItem("videovolume", video.volume);
                }

                video.addEventListener("volumechange", updatevolume);

                volumebar.value = localStorage.getItem("videovolume", video.volume);
                video.volume = volumebar.value;

                videowrapper.addEventListener("mousemove", function() {
                    peekui(1000);
                    //seekbar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + progress + ', var(--range-progress-color)), color-stop(' + progress + ', var(--range-background-color)))';
                });

              
              
                updatebuffer();
              
                updatevolume();

                //seekbar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + seekbar.value / 100 + ', var(--range-progress-color)), color-stop(' + seekbar.value / 100 + ', var(--range-background-color)))';
                //volumebar.style.background = '-webkit-gradient( linear, left top, right top, color-stop(' + video.volume + ', var(--range-progress-color)), color-stop(' + video.volume + ', var(--range-background-color)))';
            }
        })(videos[i])
    }
}

var stylesheet = `
videowrapper {
	--background-color: rgba(0, 0, 0, 0.5);
    --controls-color: #dcdcdc;
    --range-progress-color: #8c8c8c;
    --range-background-color: #3c3c3c;

    display: block;
    font-size: 0px;
}
videowrapper.absolute {
    position: absolute;
    width: 100%;
    height: 100%;
}
videowrapper.relative {
    position: relative;
    width: 100%;
    height: auto;
}
videowrapper video.iswrapped {
    position: relative;
    max-height: 100vh;
}
videowrapper:-webkit-full-screen {
    height: 100%;
    width: 100%;
    background: inherit;
}
videowrapper:-webkit-full-screen video.iswrapped {
    width: 100%;
    height: 100%;
}
videowrapper video::-webkit-media-controls-enclosure {
  display:none !important;
}
videowrapper:-webkit-full-screen controls,
videowrapper:-webkit-full-screen header {
  z-index: 2147483647;
}

videowrapper controls > *,
videowrapper header > * {
    color: var(--controls-color);
    /* mix-blend-mode: difference; */
    background: none;
    outline: none;
    line-height: 32px;
    position: absolute;
    font-family: monospace;
}

videowrapper controls,
videowrapper header {
    overflow: hidden;
    white-space: nowrap;

	transition: all 0.5s ease !important;
    background-color: var(--background-color) !important;
    height: 32px !important;
    width: 100% !important;
    display: block !important;
    position: absolute !important;
    cursor: default !important;
    font-size: 18px !important;
    user-select: none;
}
videowrapper controls {
    bottom: 0px !important;
}
videowrapper header {
    top: 0px !important;
}

videowrapper controls,
videowrapper header {
	opacity: 1;
}
videowrapper.playing controls,
videowrapper.playing header {
	opacity: 0;
}
videowrapper controls:hover, videowrapper.showui controls, videowrapper.paused controls, videowrapper.audiomode controls,
videowrapper header:hover, videowrapper.showui header, videowrapper.paused header, videowrapper.audiomode header {
	opacity: 1;
}

videowrapper button, videowrapper label {
    line-height: 32px !important;
    position: absolute !important;
    bottom: 0px !important;
    border: none !important;
    padding: 0px 4px !important;
    background-color: none !important;
    font-family: "Segoe UI Symbol" !important;
    font-size: 18px !important;
    margin: 0px !important;
    height: 32px !important;
}
videowrapper input[type=range] {
    line-height: 32px !important;
    position: absolute !important;
    background-color: var(--range-background-color) !important;

    bottom: 10px !important;
    height: 10px !important;
    border: none !important;
    margin: 0px !important;
    border-radius: 6px !important;
    -webkit-appearance: none !important;
}
videowrapper input[type='range']::-webkit-slider-thumb {
    -webkit-appearance: none !important;
    background-color: var(--controls-color);
    border: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
}

videowrapper.audiomode video:-webkit-full-page-media {
    width: 600px;
}
videowrapper.audiomode:before {
    content: '♫';
    position: absolute;
    left: 50%;
    top: calc(50%);
    color: white;
    font-size: 64px;
    z-index: 1;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

videowrapper label {
    right: 0;
    min-width: 100%;
    text-align: left;
    box-sizing: border-box;
}
`;

function init() {
	if (videowrapper_init) {
		console.log("Cannot init_videowrapper twice!");
		return;
	}
	videowrapper_init = true;
	
	if (typeof GM_addStyle != "undefined") {
	  GM_addStyle (stylesheet);
	} else {
	  var css = document.createElement("style");
	  css.type = "text/css";
	  css.innerHTML = stylesheet;
	  document.head.appendChild(css);
	}

	init_videowrapper();
	if (typeof unsafeWindow != "undefined") {
	  unsafeWindow.init_videowrapper = init_videowrapper;
	}
}

init();