Add folder dropping, fix rate limits

- Add folder drag and drop support
- Do expodential retrying if rate limited, allowing upload of very large drive folders
- Do not import deleted files
- Move the upload buttons to their own line
- Notify when no TJA files have been found
- Add more translations

public/src/css/view.css

@@ -108,6 +108,14 @@ kbd{
 .left-buttons .taibtn{
 	margin-right: 0.4em;
 }
+.center-buttons{
+	display: flex;
+	justify-content: center;
+	margin: 1.5em 0;
+}
+.center-buttons .taibtn{
+	margin: 0 0.2em;
+}
 .diag-txt textarea,
 .diag-txt iframe{
 	width: 100%;
@@ -217,7 +225,8 @@ kbd{
 	z-index: 1;
 }
 #settings-gamepad,
-#settings-latency{
+#settings-latency,
+#customsongs-error{
 	display: none;
 }
 #settings-gamepad .view{
@@ -289,7 +298,8 @@ kbd{
 .latency-buttons span:active{
 	background-color: #946013;
 }
-.left-buttons .taibtn{
+.left-buttons .taibtn,
+.center-buttons .taibtn{
 	z-index: 1;
 }
 .accountpass-form,
@@ -403,3 +413,19 @@ kbd{
 	font-size: 1em;
 	padding: 0.2em;
 }
+#customsongs-error .view,
+#dropzone .view{
+	width: 600px;
+}
+#dropzone{
+	pointer-events: none;
+	opacity: 0;
+	transition: opacity 0.5s;
+}
+#dropzone .view-content{
+	font-size: 2em;
+	text-align: center;
+}
+#dropzone.dragover{
+	opacity: 1;
+}

public/src/js/abstractfile.js

@@ -38,9 +38,9 @@ class RemoteFile{
 	}
 }
 class LocalFile{
-	constructor(file){
+	constructor(file, path){
 		this.file = file
-		this.path = file.webkitRelativePath
+		this.path = path || file.webkitRelativePath
 		this.url = this.path
 		this.name = file.name
 	}

public/src/js/autoscore.js

@@ -165,7 +165,6 @@ class AutoScore {
 	GetMaxCombo() { 
 		var combo = 0;
 		for (var circle of this.circles) { 
-			//alert(this.IsCommonCircle(circle));
 			if (this.IsCommonCircle(circle) && (!circle.branch || circle.branch.name === "master")) { 
 				combo++;
 			}

public/src/js/controller.js

@@ -252,8 +252,8 @@ class Controller{
 						}))
 					}
 					if(songObj.lyricsFile){
-						promises.push(songObj.lyricsFile.read().then(event => {
-							songObj.lyricsData = event.target.result
+						promises.push(songObj.lyricsFile.read().then(result => {
+							songObj.lyricsData = result
 						}, () => Promise.resolve()), songObj.lyricsFile.path)
 					}
 					Promise.all(promises).then(resolve)

public/src/js/customsongs.js

@@ -6,6 +6,7 @@ class CustomSongs{
 			this.getElement("view-outer").classList.add("touch-enabled")
 		}
 		this.locked = false
+		this.mode = "main"
 		
 		var tutorialTitle = this.getElement("view-title")
 		this.setAltText(tutorialTitle, strings.customSongs.title)
@@ -40,21 +41,55 @@ class CustomSongs{
 		
 		this.endButton = this.getElement("view-end-button")
 		this.setAltText(this.endButton, strings.session.cancel)
-		pageEvents.add(this.endButton, ["mousedown", "touchstart"], this.onEnd.bind(this))
+		pageEvents.add(this.endButton, ["mousedown", "touchstart"], event => this.onEnd(event, true))
 		this.items.push(this.endButton)
 		this.selected = this.items.length - 1
 		
 		this.loaderDiv = document.createElement("div")
 		this.loaderDiv.innerHTML = assets.pages["loadsong"]
 		var loadingText = this.loaderDiv.querySelector("#loading-text")
-		loadingText.appendChild(document.createTextNode(strings.loading))
-		loadingText.setAttribute("alt", strings.loading)
+		this.setAltText(loadingText, strings.loading)
+		
+		if(DataTransferItem.prototype.webkitGetAsEntry){
+			this.dropzone = document.getElementById("dropzone")
+			var dropContent = this.dropzone.getElementsByClassName("view-content")[0]
+			dropContent.innerText = strings.customSongs.dropzone
+			this.dragging = false
+			pageEvents.add(document, "dragover", event => {
+				event.preventDefault()
+				if(!this.locked){
+					event.dataTransfer.dropEffect = "copy"
+					this.dropzone.classList.add("dragover")
+					this.dragging = true
+				}else{
+					event.dataTransfer.dropEffect = "none"
+				}
+			})
+			pageEvents.add(document, "dragleave", () => {
+				this.dropzone.classList.remove("dragover")
+				this.dragging = false
+			})
+			pageEvents.add(document, "drop", this.filesDropped.bind(this))
+		}
+		
+		this.errorDiv = document.getElementById("customsongs-error")
+		pageEvents.add(this.errorDiv, ["mousedown", "touchstart"], event => {
+			if(event.target === event.currentTarget){
+				this.hideError()
+			}
+		})
+		var errorTitle = this.errorDiv.getElementsByClassName("view-title")[0]
+		this.setAltText(errorTitle, strings.customSongs.importError)
+		this.errorContent = this.errorDiv.getElementsByClassName("view-content")[0]
+		this.errorEnd = this.errorDiv.getElementsByClassName("view-end-button")[0]
+		this.setAltText(this.errorEnd, strings.tutorial.ok)
+		pageEvents.add(this.errorEnd, ["mousedown", "touchstart"], () => this.hideError(true))
 		
 		this.keyboard = new Keyboard({
 			confirm: ["enter", "space", "don_l", "don_r"],
 			previous: ["left", "up", "ka_l"],
 			next: ["right", "down", "ka_r"],
-			back: ["escape"]
+			backEsc: ["escape"]
 		}, this.keyPressed.bind(this))
 		this.gamepad = new Gamepad({
 			confirmPad: ["b", "ls", "rs"],
@@ -73,9 +108,17 @@ class CustomSongs{
 		element.setAttribute("alt", text)
 	}
 	localFolder(){
-		if(this.locked){
+		if(event){
+			if(event.type === "touchstart"){
+				event.preventDefault()
+			}else if(event.which !== 1){
 				return
 			}
+		}
+		if(this.locked || this.mode !== "main"){
+			return
+		}
+		this.changeSelected(this.linkLocalFolder)
 		this.browse.click()
 	}
 	browseChange(event){
@@ -83,6 +126,47 @@ class CustomSongs{
 		for(var i = 0; i < event.target.files.length; i++){
 			files.push(new LocalFile(event.target.files[i]))
 		}
+		this.importLocal(files)
+	}
+	filesDropped(event){
+		event.preventDefault()
+		this.dropzone.classList.remove("dragover")
+		this.dragging = false
+		if(this.locked){
+			return
+		}
+		var files = []
+		var walk = (entry, path="") => {
+			return new Promise(resolve => {
+				if(entry.isFile){
+					entry.file(file => {
+						files.push(new LocalFile(file, path + file.name))
+						return resolve()
+					}, resolve)
+				}else if(entry.isDirectory){
+					var dirReader = entry.createReader()
+					dirReader.readEntries(entries => {
+						var dirPromises = []
+						for(var i = 0; i < entries.length; i++){
+							dirPromises.push(walk(entries[i], path + entry.name + "/"))
+						}
+						return Promise.all(dirPromises).then(resolve)
+					}, resolve)
+				}else{
+					return resolve()
+				}
+			})
+		}
+		var dropPromises = []
+		for(var i = 0; i < event.dataTransfer.items.length; i++){
+			var entry = event.dataTransfer.items[i].webkitGetAsEntry()
+			if(entry){
+				dropPromises.push(walk(entry))
+			}
+		}
+		Promise.all(dropPromises).then(() => this.importLocal(files))
+	}
+	importLocal(files){
 		if(!files.length){
 			return
 		}
@@ -94,15 +178,25 @@ class CustomSongs{
 			this.browse.parentNode.reset()
 			this.locked = false
 			this.loading(false)
-			if(e !== "cancel"){
+			if(e === "nosongs"){
+				this.showError(strings.customSongs.noSongs)
+			}else if(e !== "cancel"){
 				return Promise.reject(e)
 			}
 		})
 	}
-	gdriveFolder(){
-		if(this.locked){
+	gdriveFolder(event){
+		if(event){
+			if(event.type === "touchstart"){
+				event.preventDefault()
+			}else if(event.which !== 1){
 				return
 			}
+		}
+		if(this.locked || this.mode !== "main"){
+			return
+		}
+		this.changeSelected(this.linkGdriveFolder)
 		this.locked = true
 		this.loading(true)
 		var importSongs = new ImportSongs(true)
@@ -117,13 +211,17 @@ class CustomSongs{
 			return gpicker.browse(locked => {
 				this.locked = locked
 				this.loading(locked)
+			}, error => {
+				this.showError(error)
 			})
 		}).then(files => importSongs.load(files))
 		.then(this.songsLoaded.bind(this))
 		.catch(e => {
 			this.locked = false
 			this.loading(false)
-			if(e !== "cancel"){
+			if(e === "nosongs"){
+				this.showError(strings.customSongs.noSongs)
+			}else if(e !== "cancel"){
 				return Promise.reject(e)
 			}
 		})
@@ -154,9 +252,10 @@ class CustomSongs{
 			return
 		}
 		var selected = this.items[this.selected]
+		if(this.mode === "main"){
 			if(name === "confirm" || name === "confirmPad"){
 				if(selected === this.endButton){
-				this.onEnd()
+					this.onEnd(null, true)
 				}else if(name !== "confirmPad"){
 					if(selected === this.linkLocalFolder){
 						assets.sounds["se_don"].play()
@@ -171,15 +270,30 @@ class CustomSongs{
 				this.selected = this.mod(this.items.length, this.selected + (name === "next" ? 1 : -1))
 				this.items[this.selected].classList.add("selected")
 				assets.sounds["se_ka"].play()
-		}else if(name === "back"){
+			}else if(name === "back" || name === "backEsc"){
+				if(!this.dragging || name !== "backEsc"){
 					this.onEnd()
 				}
 			}
+		}else if(this.mode === "error"){
+			if(name === "confirm" || name === "confirmPad" || name === "back" || name === "backEsc"){
+				this.hideError(name === "confirm" || name === "confirmPad")
+			}
+		}
+	}
+	changeSelected(button){
+		var selected = this.items[this.selected]
+		if(selected !== button){
+			selected.classList.remove("selected")
+			this.selected = this.items.findIndex(item => item === button)
+			this.items[this.selected].classList.add("selected")
+		}
+	}
 	mod(length, index){
 		return ((index % length) + length) % length
 	}
-	onEnd(event){
-		if(this.locked){
+	onEnd(event, confirm){
+		if(this.locked || this.mode !== "main"){
 			return
 		}
 		var touched = false
@@ -190,13 +304,32 @@ class CustomSongs{
 			}else if(event.which !== 1){
 				return
 			}
+		}else{
+			touched = this.touchEnabled
 		}
 		this.clean()
-		assets.sounds["se_don"].play()
+		assets.sounds[confirm ? "se_don" : "se_cancel"].play()
 		setTimeout(() => {
 			new SongSelect("customSongs", false, touched)
 		}, 500)
 	}
+	showError(text){
+		if(this.mode === "error"){
+			return
+		}
+		this.mode = "error"
+		this.errorContent.innerText = text
+		this.errorDiv.style.display = "flex"
+		assets.sounds["se_pause"].play()
+	}
+	hideError(confirm){
+		if(this.mode !== "error"){
+			return
+		}
+		this.mode = "main"
+		this.errorDiv.style.display = ""
+		assets.sounds[confirm ? "se_don" : "se_cancel"].play()
+	}
 	clean(){
 		this.keyboard.clean()
 		this.gamepad.clean()
@@ -208,11 +341,20 @@ class CustomSongs{
 			pageEvents.remove(this.linkGdriveFolder, ["mousedown", "touchstart"])
 		}
 		pageEvents.remove(this.endButton, ["mousedown", "touchstart"])
+		pageEvents.remove(this.errorDiv, ["mousedown", "touchstart"])
+		pageEvents.remove(this.errorEnd, ["mousedown", "touchstart"])
+		if(DataTransferItem.prototype.webkitGetAsEntry){
+			pageEvents.remove(document, ["dragover", "dragleave", "drop"])
+			delete this.dropzone
+		}
 		delete this.browse
 		delete this.linkLocalFolder
 		delete this.linkGdriveFolder
 		delete this.endButton
 		delete this.items
 		delete this.loaderDiv
+		delete this.errorDiv
+		delete this.errorContent
+		delete this.errorEnd
 	}
 }

public/src/js/gpicker.js

@@ -9,15 +9,17 @@ class Gpicker{
 		this.resolveQueue = []
 		this.queueActive = false
 	}
-	browse(lockedCallback){
+	browse(lockedCallback, errorCallback){
 		return this.loadApi()
-		.then(() => this.getToken(lockedCallback))
+		.then(() => this.getToken(lockedCallback, errorCallback))
 		.then(() => new Promise((resolve, reject) => {
 			this.displayPicker(data => {
 				if(data.action === "picked"){
 					var file = data.docs[0]
+					var folders = []
+					var rateLimit = -1
+					var lastBatch = 0
 					var walk = (files, output=[]) => {
-						var batch = null
 						for(var i = 0; i < files.length; i++){
 							var path = files[i].path ? files[i].path + "/" : ""
 							var list = files[i].list
@@ -27,14 +29,9 @@ class Gpicker{
 							for(var j = 0; j < list.length; j++){
 								var file = list[j]
 								if(file.mimeType === this.folder){
-									if(!batch){
-										batch = gapi.client.newBatch()
-									}
-									batch.add(gapi.client.drive.files.list({
-										q: "'" + file.id + "' in parents",
-										orderBy: "name_natural"
-									}), {
-										id: path + file.name
+									folders.push({
+										path: path + file.name,
+										id: file.id
 									})
 								}else{
 									output.push(new GdriveFile({
@@ -45,14 +42,64 @@ class Gpicker{
 								}
 							}
 						}
-						if(batch){
-							return this.queue()
-							.then(() => batch.then(responses => {
-								var files = []
-								for(var path in responses.result){
-									files.push({path: path, list: responses.result[path].result.files})
+						var batchList = []
+						for(var i = 0; i < folders.length && batchList.length < 100; i++){
+							if(!folders[i].listed){
+								folders[i].pos = i
+								folders[i].listed = true
+								batchList.push(folders[i])
 							}
+						}
+						if(batchList.length){
+							var batch = gapi.client.newBatch()
+							batchList.forEach(folder => {
+								var req = {
+									q: "'" + folder.id + "' in parents and trashed = false",
+									orderBy: "name_natural"
+								}
+								if(folder.pageToken){
+									req.pageToken = folder.pageToken
+								}
+								batch.add(gapi.client.drive.files.list(req), {id: folder.pos})
+							})
+							if(lastBatch + batchList.length > 100){
+								var waitPromise = this.sleep(1000)
+							}else{
+								var waitPromise = Promise.resolve()
+							}
+							return waitPromise.then(() => this.queue()).then(() => batch.then(responses => {
+								var files = []
+								var rateLimited = false
+								for(var i in responses.result){
+									var result = responses.result[i].result
+									if(result.error){
+										if(result.error.errors[0].domain !== "usageLimits"){
+											console.warn(result)
+										}else if(!rateLimited){
+											rateLimited = true
+											rateLimit++
+											folders.push({
+												path: folders[i].path,
+												id: folders[i].id,
+												pageToken: folders[i].pageToken
+											})
+										}
+									}else{
+										if(result.nextPageToken){
+											folders.push({
+												path: folders[i].path,
+												id: folders[i].id,
+												pageToken: result.nextPageToken
+											})
+										}
+										files.push({path: folders[i].path, list: result.files})
+									}
+								}
+								if(rateLimited){
+									return this.sleep(Math.pow(2, rateLimit) * 1000).then(() => walk(files, output))
+								}else{
 									return walk(files, output)
+								}
 							}))
 						}else{
 							return output
@@ -84,7 +131,7 @@ class Gpicker{
 			gapi.client.load("drive", "v3").then(resolve, reject)
 		))
 	}
-	getToken(lockedCallback=()=>{}){
+	getToken(lockedCallback=()=>{}, errorCallback=()=>{}){
 		if(this.oauthToken){
 			return Promise.resolve()
 		}
@@ -97,7 +144,7 @@ class Gpicker{
 				this.auth = gapi.auth2.getAuthInstance()
 			}, e => {
 				if(e.details){
-					alert(strings.gpicker.authError.replace("%s", e.details))
+					errorCallback(strings.gpicker.authError.replace("%s", e.details))
 				}
 				return Promise.reject(e)
 			})
@@ -132,6 +179,7 @@ class Gpicker{
 			.setDeveloperKey(this.apiKey)
 			.setAppId(this.projectNumber)
 			.setOAuthToken(this.oauthToken)
+			.setLocale(strings.gpicker.locale)
 			.hideTitleBar()
 			.addView(new picker.DocsView("folders")
 				.setLabel(strings.gpicker.myDrive)
@@ -184,6 +232,9 @@ class Gpicker{
 			})
 		)
 	}
+	sleep(time){
+		return new Promise(resolve => setTimeout(resolve, time))
+	}
 	queue(){
 		return new Promise(resolve => {
 			this.resolveQueue.push(resolve)

public/src/js/importsongs.js

@@ -417,10 +417,13 @@
 					}
 				}))
 				image.id = name
-				image.src = URL.createObjectURL(file.blob())
+				promises.push(file.blob().then(blob => {
+					image.src = URL.createObjectURL(blob)
+				}))
 				loader.assetsDiv.appendChild(image)
 				var oldImage = assets.image[id]
 				if(oldImage && oldImage.parentNode){
+					URL.revokeObjectURL(oldImage.src)
 					oldImage.parentNode.removeChild(oldImage)
 				}
 				assets.image[id] = image
@@ -543,7 +546,7 @@
 		}else if(Object.keys(this.assetFiles).length){
 			return Promise.resolve()
 		}else{
-			return Promise.reject("cancel")
+			return Promise.reject("nosongs")
 		}
 		this.clean()
 	}

public/src/js/songselect.js

@@ -586,7 +586,7 @@ class SongSelect{
 				})
 			}
 		}else if(this.state.locked !== 1 || fromP2){
-			if(this.songs[this.selectedSong].courses && (this.state.locked === 0 || fromP2)){
+			if(this.songs[this.selectedSong].courses && !this.songs[this.selectedSong].unloaded && (this.state.locked === 0 || fromP2)){
 				this.state.moveMS = ms
 			}else{
 				this.state.moveMS = ms - this.songSelecting.speed * this.songSelecting.resize
@@ -2222,7 +2222,7 @@ class SongSelect{
 			]
 			this.draw.layeredText({
 				ctx: ctx,
-				text: strings.ok,
+				text: strings.tutorial.ok,
 				x: _x,
 				y: _y + 18,
 				width: _w,

public/src/js/strings.js

@@ -1060,7 +1060,11 @@ var translations = {
 	},
 	customSongs: {
 		title: {
+			ja: "カスタム曲リスト",
 			en: "Custom Song List",
+			cn: "自定义歌曲列表",
+			tw: "自定義歌曲列表",
+			ko: "맞춤 노래 목록"
 		},
 		default: {
 			ja: "デフォルト曲リスト",
@@ -1075,21 +1079,61 @@ var translations = {
 			]
 		},
 		localFolder: {
-			en: "Local Folder..."
+			ja: "ローカルフォルダ...",
+			en: "Local Folder...",
+			cn: "本地文件夹...",
+			tw: "本地文件夾...",
+			ko: "로컬 폴더..."
 		},
 		gdriveFolder: {
-			en: "Google Drive..."
+			ja: "Google ドライブ...",
+			en: "Google Drive...",
+			cn: "Google云端硬盘...",
+			tw: "Google雲端硬碟...",
+			ko: "구글 드라이브..."
+		},
+		dropzone: {
+			ja: "ここにファイルをドロップ",
+			en: "Drop files here",
+			cn: "将文件拖至此处",
+			tw: "將文件拖至此處",
+			ko: "파일을 여기에 드롭"
+		},
+		importError: {
+			en: "Import Error"
+		},
+		noSongs: {
+			en: "No Taiko chart files have been found in the provided folder."
 		}
 	},
 	gpicker: {
+		locale: {
+			ja: "ja",
+			en: "en-GB",
+			cn: "zh-CN",
+			tw: "zh-TW",
+			ko: "ko"
+		},
 		myDrive: {
-			en: "My Drive"
+			ja: "マイドライブ",
+			en: "My Drive",
+			cn: "我的云端硬盘",
+			tw: "我的雲端硬碟",
+			ko: "내 드라이브"
 		},
 		starred: {
-			en: "Starred"
+			ja: "スター付き",
+			en: "Starred",
+			cn: "已加星标",
+			tw: "已加星號",
+			ko: "중요 문서함"
 		},
 		sharedWithMe: {
-			en: "Shared with me"
+			ja: "共有アイテム",
+			en: "Shared with me",
+			cn: "与我共享",
+			tw: "與我共用",
+			ko: "공유 문서함"
 		},
 		authError: {
 			en: "Auth error: %s"

public/src/js/viewassets.js

@@ -175,7 +175,9 @@ class ViewAssets{
 		})
 	}
 	clean(){
+		if(this.don){
 			this.don.clean()
+		}
 		delete this.ctx
 		delete this.don
 		delete this.fire

public/src/views/customsongs.html

@@ -1,12 +1,24 @@
 <div class="view-outer">
-	<div class="view">
+	<div class="view drag-bg">
 		<div class="view-title stroke-sub"></div>
 		<div class="view-content"></div>
-		<div class="left-buttons">
+		<div class="center-buttons">
 			<div id="link-localfolder" class="taibtn stroke-sub link-btn"></div>
 			<div id="link-gdrivefolder" class="taibtn stroke-sub link-btn"></div>
 		</div>
 		<div class="view-end-button taibtn stroke-sub selected"></div>
+		<div class="view-outer shadow-outer" id="dropzone">
+			<div class="view">
+				<div class="view-content"></div>
+			</div>
+		</div>
+		<div class="view-outer shadow-outer" id="customsongs-error">
+			<div class="view">
+				<div class="view-title stroke-sub"></div>
+				<div class="view-content"></div>
+				<div class="view-end-button taibtn stroke-sub selected"></div>
+			</div>
+		</div>
 	</div>
 	<form><input id="browse" type="file" webkitdirectory multiple></form>
 </div>