diff options
| -rw-r--r-- | js/index.js | 7 | ||||
| -rw-r--r-- | js/offline.js | 5 | ||||
| -rw-r--r-- | js/read.js | 649 | ||||
| -rw-r--r-- | read.html | 645 |
4 files changed, 659 insertions, 647 deletions
diff --git a/js/index.js b/js/index.js index c0f2e84..a16dd44 100644 --- a/js/index.js +++ b/js/index.js @@ -4,6 +4,7 @@ let _dl_progress_timeout; +/* exported cache_refresh */ function cache_refresh(force) { if ('serviceWorker' in navigator) { localforage.getItem("epube.cache-timestamp").then(function(stamp) { @@ -21,6 +22,7 @@ function cache_refresh(force) { return false; } +/* exported toggle_fav */ function toggle_fav(elem) { const bookId = elem.getAttribute("data-book-id"); @@ -38,6 +40,7 @@ function toggle_fav(elem) { $(elem).html(msg).attr('data-is-fav', data.status); + /* global index_mode */ if (index_mode == "favorites" && data.status == 0) { $("#cell-" + bookId).remove(); } @@ -48,6 +51,7 @@ function toggle_fav(elem) { return false; } +/* global offline_remove */ function mark_offline(elem) { const bookId = elem.getAttribute("data-book-id"); @@ -78,6 +82,7 @@ function mark_offline(elem) { }); } +/* exported mark_offline_books */ function mark_offline_books() { const elems = $(".offline_dropitem"); @@ -159,6 +164,7 @@ function offline_cache(bookId, callback) { }); } +/* exported show_summary */ function show_summary(elem) { const id = elem.getAttribute("data-book-id"); @@ -176,6 +182,7 @@ function show_summary(elem) { return false; } +/* exported offline_get_all */ function offline_get_all() { if (confirm("Download all books on this page?")) { diff --git a/js/offline.js b/js/offline.js index 6fd3ddd..4f9a13a 100644 --- a/js/offline.js +++ b/js/offline.js @@ -2,6 +2,7 @@ /* global localforage, Holder */ +/* exported offline_search */ function offline_search() { const query = $(".search_query").val(); @@ -12,14 +13,17 @@ function offline_search() { return false; } +/* exported offline_remove2 */ function offline_remove2(elem) { const bookId = elem.getAttribute("data-book-id"); + /* global offline_remove */ return offline_remove(bookId, function() { $("#cell-" + bookId).remove(); }); } +/* exported offline_clear */ function offline_clear() { if (confirm("Remove all offline data?")) { @@ -151,6 +155,7 @@ function populate_list() { } +/* exported show_summary */ function show_summary(elem) { const bookId = elem.getAttribute("data-book-id"); @@ -1,7 +1,630 @@ 'use strict'; -/* global localforage, book, cacheId */ +/* globals ePub, localforage, book, cacheId */ +let _pagination_stored = 0; +let _last_position_sync = 0; +let _store_position = 0; + +//const _is_ios = (/iPad|iPhone|iPod/).test(navigator.userAgent) && !window.MSStream; +const _res_data = []; + +const DEFAULT_FONT_SIZE = 16; +const DEFAULT_FONT_FAMILY = "Georgia"; +const DEFAULT_LINE_HEIGHT = 140; + +function cacheId(suffix) { + return "epube-book." + $.urlParam("b") + (suffix ? "." + suffix : ""); +} + +function init_loader() { + // we need to preload resources for reader iframe because it can't utilize our + // service worker because while offline it is created outside our base server context + const res_names = [ "lib/bootstrap/v3/js/jquery.js", "lib/jquery.mobile.custom.js", + "css/transitions.css", + "js/reader.js", "css/reader.css", "js/dict.js", + "themes/default.css", "themes/mocca.css", "themes/night.css", + "themes/plan9.css", "themes/gray.css" ]; + + for (let i = 0; i < res_names.length; i++) { + fetch(res_names[i], {credentials: 'same-origin'}).then(function(resp) { + if (resp.status == 200) { + resp.text().then(function(data) { + const url = new URL(resp.url); + url.searchParams.delete("ts"); + + _res_data[url.toString()] = data; + }) + } else { + console.warn('loader failed for resource', res_names[i], resp); + } + }); + } + + check_resource_load(res_names, _res_data, 0); +} + +function check_resource_load(res_names, res_data, attempt) { + console.log("check_resource_load", attempt, res_names.length, Object.keys(res_data).length); + + if (attempt == 5) { + $(".loading_message").html("Unable to load resources."); + return; + } + + if (res_names.length != Object.keys(res_data).length) { + window.setTimeout(function() { + check_resource_load(res_names, res_data, attempt+1); + }, 250); + } else { + init_reader(); + } +} + +function init_reader() { + apply_theme(); + + $(window).on('online', function() { + console.log("we're online, storing lastread"); + + const currentCfi = book.rendition.currentLocation().start.cfi; + const currentPage = parseInt(book.locations.percentageFromCfi(currentCfi) * 100); + + $.post("backend.php", { op: "storelastread", id: $.urlParam("id"), page: currentPage, + cfi: currentCfi }, function(data) { + + if (data.cfi) { + _last_position_sync = new Date().getTime()/1000; + } + }) + .fail(function(e) { + if (e && e.status == 401) { + window.location = "index.php"; + } + }); + }); + + localforage.getItem(cacheId("book")).then(function(item) { + + // ios doesn't work with FileReader for whatever reason + if (/*!_is_ios &&*/ item) { + + console.log("loading from local storage"); + + const fileReader = new FileReader(); + + fileReader.onload = function() { + try { + book.open(this.result); + } catch (e) { + $(".loading_message").html("Unable to load book (local)."); + console.log(e); + } + }; + + fileReader.readAsArrayBuffer(item); + + } else { + + console.log("loading from network"); + + if (navigator.onLine) { + const book_url = "backend.php?op=download&id=" + $.urlParam("id"); + + $(".loading_message").html("Downloading..."); + + fetch(book_url, {credentials: 'same-origin'}).then(function(resp) { + + if (resp.status == 200) { + const bookId = $.urlParam("b"); + + // let's store this for later + localforage.setItem(cacheId('book'), resp.clone().blob()); + + // if there's no base information cached yet, let's do that too + localforage.getItem(cacheId()).then(function(info) { + if (!info) { + $.post("backend.php", {op: "getinfo", id: bookId }, function(data) { + if (data) { + localforage.setItem(cacheId(), data); + + if (data.has_cover) { + fetch("backend.php?op=cover&id=" + bookId, {credentials: 'same-origin'}).then(function(resp) { + if (resp.status == 200) { + localforage.setItem(cacheId('cover'), resp.blob()); + } + }); + } + } + }); + } + }); + + resp.blob().then(function(blob) { + + const fileReader = new FileReader(); + + fileReader.onload = function() { + book.open(this.result); + }; + + fileReader.readAsArrayBuffer(blob); + + }); + } else { + $(".loading_message").html("Unable to download book: " + resp.status + "."); + } + }).catch(function(err) { + console.warn(err); + + if ($(".loading").is(":visible")) { + $(".loading_message").html("Unable to load book (remote)."); + } + }); + + } else { + $(".loading_message").html("This book is not available offline."); + } + } + }); + + const book = ePub(); + window.book = book; + + const rendition = book.renderTo("reader", { + width: '100%', + height: '100%', + minSpreadWidth: 961 + }); + + const displayed = rendition.display(); + + // this sets default theme, then we apply CSS to already rendered content + // with apply_styles() + displayed.then(function () { + + let fontSize; + let fontFamily; + let lineHeight; + //let themeName; + + Promise.all([ + localforage.getItem("epube.fontSize"), + localforage.getItem("epube.fontFamily"), + localforage.getItem("epube.lineHeight"), + localforage.getItem("epube.theme") + ]).then(function(res) { + fontSize = res[0] ? res[0] + "px" : DEFAULT_FONT_SIZE + "px"; + fontFamily = res[1] ? res[1] : DEFAULT_FONT_FAMILY; + lineHeight = res[2] ? res[2] + "%" : DEFAULT_LINE_HEIGHT + "%"; + //themeName = res[3] ? res[3] : 'default'; + + rendition.themes.default({ + html: { + 'font-size': fontSize, + 'font-family': fontFamily, + 'line-height': lineHeight, + 'text-align': 'justify' + } + }); + + }); + }); + + rendition.hooks.content.register(function(contents) { + + contents.on("linkClicked", function(href) { + console.log('linkClicked', href); + + if (href.indexOf("://") == -1) { + $(".prev_location_btn") + .attr("data-location-cfi", book.rendition.currentLocation().start.cfi) + .show(); + + window.setTimeout(function() { + show_ui(true); + }, 50); + } + + }); + + const base_url = window.location.href.match(/^.*\//)[0]; + const res_names = [ "lib/bootstrap/v3/js/jquery.js", "lib/jquery.mobile.custom.js", + "js/reader.js", "js/dict.js" ]; + const doc = contents.document; + + for (let i = 0; i < res_names.length; i++) { + + // we need to create script element with proper context, that is inside the iframe + const elem = doc.createElement("script"); + elem.type = 'text/javascript'; + elem.text = _res_data[base_url + res_names[i]]; + + doc.head.appendChild(elem); + } + + $(contents.document.head) + .append($("<style type='text/css'>") + .text(_res_data[base_url + 'css/reader.css'])); + + return localforage.getItem("epube.theme").then(function(theme) { + if (!theme) theme = 'default'; + + const theme_url = base_url + 'themes/' + theme + '.css'; + + $(contents.document.head) + .append($("<style type='text/css' id='theme_css'>") + .text(_res_data[theme_url])); + }); + + }); + + $('#settings-modal').on('shown.bs.modal', function() { + + localforage.getItem(cacheId("lastread")).then((item) => { + if (item && item.cfi) { + $(".lastread_input").val(item.page + '%'); + } + + $.post("backend.php", { op: "getlastread", id: $.urlParam("id") }, function(data) { + $(".lastread_input").val(data.page + '%'); + }); + + }); + + localforage.getItem("epube.keep-ui-visible").then(function(keep) { + $(".keep_ui_checkbox") + .attr("checked", keep) + .on("click", function(elem) { + localforage.setItem("epube.keep-ui-visible", elem.checked); + }); + }); + + localforage.getItem("epube.fontFamily").then(function(font) { + if (!font) font = DEFAULT_FONT_FAMILY; + + $(".font_family").val(font); + }); + + localforage.getItem("epube.theme").then(function(theme) { + $(".theme_name").val(theme); + }); + + localforage.getItem("epube.fontSize").then(function(size) { + + if (!size) size = DEFAULT_FONT_SIZE; + + const zoom = $(".font_size").html(""); + + for (let i = 10; i <= 32; i++) { + const opt = $("<option>").val(i).html(i + " px"); + zoom.append(opt); + } + + zoom.val(size); + + }); + + localforage.getItem("epube.lineHeight").then(function(height) { + + if (!height) height = DEFAULT_LINE_HEIGHT; + + const zoom = $(".line_height").html(""); + + for (let i = 100; i <= 220; i += 10) { + const opt = $("<option>").val(i).html(i + "%"); + zoom.append(opt); + } + + zoom.val(height); + + }); + }); + + $('#dict-modal').on('shown.bs.modal', function() { + $(".dict_result").scrollTop(0); + }) + + $(".dict_search_btn").on("click", function() { + $("#dict-modal").modal('hide'); + window.open("https://google.com/search?q=" + $(".dict_query").val()); + }); + + function toc_loc_msg(href) { + try { + const cfiBase = book.spine.get(href).cfiBase; + + const loc = book.locations._locations.find(function(k) { + return k.indexOf(cfiBase) != -1 + }); + + return window.book.locations.locationFromCfi(loc); + + } catch (e) { + console.warn(e); + } + + return ""; + } + + function process_toc_sublist(row, list, nest) { + + if (nest == 3) return false; + + if (row.subitems) { + + const sublist = $("<ul class='toc_sublist list-unstyled'>"); + + $.each(row.subitems, function(i, row) { + + const a = $("<a>") + .attr('href', '#') + .html("<b class='pull-right'>" + toc_loc_msg(row.href) + "</b>" + row.label) + .attr('data-href', row.href) + .click(function() { + book.rendition.display(a.attr('data-href')); + }); + + sublist.append($("<li>").append(a)); + + process_toc_sublist(row, sublist, nest + 1); + + }); + + list.append(sublist); + } + } + + $('#toc-modal').on('shown.bs.modal', function() { + + const toc = book.navigation.toc; + + const list = $(".toc_list"); + list.html(""); + + $.each(toc, function(i, row) { + + // if anything fails here the toc entry is likely useless anyway (i.e. no cfi) + try { + const a = $("<a>") + .attr('href', '#') + .html("<b class='pull-right'>" + toc_loc_msg(row.href) + "</b>" + row.label) + .attr('data-href', row.href) + .click(function() { + book.rendition.display(a.attr('data-href')); + }); + + list.append($("<li>").append(a)); + + process_toc_sublist(row, list, 0); + + } catch (e) { + console.warn(e); + } + }); + + // well the toc didn't work out, might as well generate one + if (list.children().length <= 1) { + + list.html(""); + + $.each(book.spine.items, function (i, row) { + + const a = $("<a>") + .attr('href', '#') + .attr('title', row.url) + .html("Section " + (i+1)) + .attr('data-href', row.href) + .click(function() { + book.rendition.display(a.attr('data-href')); + }); + + list.append($("<li>").append(a)); + + }); + } + + }); + + book.ready.then(function() { + + const meta = book.package.metadata; + + document.title = meta.title + " – " + meta.creator; + $(".title").html("<b>" + meta.title + "</b> - " + meta.creator); + + return localforage.getItem(cacheId("locations")).then(function(locations) { + + console.log('stored pagination', locations != null); + + // legacy format is array of objects {cfi: ..., page: ...} + if (locations && typeof locations[0] == "string") { + _pagination_stored = 1; + return book.locations.load(locations); + } else { + console.log("requesting pagination..."); + + const url = "backend.php?op=getpagination&id=" + encodeURIComponent($.urlParam("id")); + + return fetch(url, {credentials:'same-origin'}).then(function(resp) { + + if (resp.ok) { + return resp.json().then(function(locations) { + if (locations && typeof locations[0] == "string") { + _pagination_stored = 1; + return book.locations.load(locations); + } else { + $(".loading_message").html("Paginating..."); + return book.locations.generate(1600); + } + }); + } else { + $(".loading_message").html("Paginating..."); + return book.locations.generate(1600); + } + }).catch(function() { + $(".loading_message").html("Paginating..."); + return book.locations.generate(1600); + }); + } + + }); + + }).then(function(locations) { + + console.log("locations ready, stored=", _pagination_stored); + + if (locations) { + if (navigator.onLine && !_pagination_stored) { + $.post("backend.php", { op: "storepagination", id: $.urlParam("id"), + payload: JSON.stringify(locations), total: 100}); + } + + // store if needed + localforage.getItem(cacheId("locations")).then(function(item) { + if (!item) localforage.setItem(cacheId("locations"), locations); + }); + + } else { + $(".loading_message").html("Pagination failed."); + return; + } + + $(".location").click(function() { + const current = book.rendition.currentLocation().start.location; + const total = book.locations.length(); + + const page = prompt("Jump to location [1-" + total + "]", current); + + if (page) { + book.rendition.display(book.locations._locations[page]); + } + }); + + open_lastread(); + + window.setTimeout(function() { + open_lastread(); + + $(".loading").hide(); + }, 250); + }); + + rendition.on("keyup", hotkey_handler); + + rendition.on('resized', function() { + console.log('resized'); + + $(".loading").show(); + $(".loading_message").html("Opening chapter..."); + + window.setTimeout(function() { + open_lastread(); + + $(".loading").hide(); + }, 250); + }); + + rendition.on('rendered', function(/*chapter*/) { + $(".chapter").html($("<span>").addClass("glyphicon glyphicon-th-list")); + + resize_side_columns(); + + try { + const location = book.rendition.currentLocation(); + + if (location.start) { + const cur_href = book.canonical(location.start.href); + let toc_entry = false; + + /* eslint-disable no-inner-declarations */ + function iterate_sublist(row, nest) { + if (nest == 2) return false; + + if (row.subitems) { + $.each(row.subitems, function (i, r) { + + if (book.spine.get(r.href).canonical == cur_href) { + toc_entry = r; + return true; + } + + if (iterate_sublist(r, nest + 0)) + return true; + }); + } + + return false; + } + /* eslint-enable no-inne-declarations */ + + $.each(book.navigation.toc, function(i, a) { + if (book.spine.get(a.href).canonical == cur_href) { + toc_entry = a; + return; + } + + if (iterate_sublist(a, 0)) return; + + }); + + if (toc_entry && toc_entry.label.trim()) + $(".chapter").append(" " + toc_entry.label); + } + + } catch (e) { + console.warn(e); + } + }); + + rendition.on('relocated', function(location) { + + // locations not generated yet + if (book.locations.length() == 0) + return; + + const currentCfi = location.start.cfi; + const currentPage = parseInt(book.locations.percentageFromCfi(currentCfi) * 100); + const pct = book.locations.percentageFromCfi(currentCfi); + + $("#cur_page").html(location.start.location); + $("#total_pages").html(book.locations.length()); + + $("#page_pct").html(parseInt(pct*100) + '%'); + + if (_store_position && new Date().getTime()/1000 - _last_position_sync > 15) { + console.log("storing lastread", currentPage, currentCfi); + + if (navigator.onLine) { + + $.post("backend.php", { op: "storelastread", id: $.urlParam("id"), page: currentPage, + cfi: currentCfi }, function(data) { + + if (data.cfi) { + _last_position_sync = new Date().getTime()/1000; + } + + }) + .fail(function(e) { + if (e && e.status == 401) { + window.location = "index.php"; + } + }); + + _store_position = 0; + } else { + _last_position_sync = 0; + } + + localforage.setItem(cacheId("lastread"), + {cfi: currentCfi, page: currentPage, total: 100}); + + } + }); + +} + +/* exported toggle_fullscreen */ function toggle_fullscreen() { const element = document.documentElement; const isFullscreen = document.webkitIsFullScreen || document.mozFullScreen || false; @@ -22,6 +645,7 @@ function show_ui(show) { $(".header,.footer").fadeOut(); } +/* exported toggle_ui */ function toggle_ui() { if ($(".header").is(":visible")) $(".header,.footer").fadeOut(); @@ -137,6 +761,18 @@ function resize_side_columns() { } $(document).ready(function() { + if ('serviceWorker' in navigator) { + navigator.serviceWorker + .register('worker.js') + .then(function() { + console.log("service worker registered"); + + init_loader(); + }); + } else { + alert("Service worker support missing in browser (are you using plain HTTP?)."); + } + $(document).on("keyup", function(e) { hotkey_handler(e); }); @@ -148,9 +784,9 @@ $(document).ready(function() { $("#right").on("mouseup", function() { next_page(); }); - }); +/* exported apply_line_height */ function apply_line_height(elem) { const height = $(elem).val(); @@ -159,6 +795,7 @@ function apply_line_height(elem) { }); } +/* exported apply_font */ function apply_font(elem) { const font = $(elem).val(); @@ -168,6 +805,7 @@ function apply_font(elem) { } +/* exported apply_font_size */ function apply_font_size(elem) { const size = $(elem).val(); @@ -200,6 +838,7 @@ function apply_styles() { } +/* exported clear_lastread */ function clear_lastread() { if (confirm("Clear stored last read location?")) { const total = window.book.locations.length(); @@ -216,6 +855,7 @@ function clear_lastread() { } } +/* exported mark_as_read */ function mark_as_read() { if (confirm("Mark book as read?")) { const total = 100; @@ -233,6 +873,7 @@ function mark_as_read() { } } +/* exported save_and_close */ function save_and_close() { const location = window.book.rendition.currentLocation(); @@ -256,6 +897,7 @@ function save_and_close() { } } +/* exported change_theme */ function change_theme(elem) { const theme = $(elem).val(); @@ -282,6 +924,7 @@ function apply_theme() { }); } +/* exported search */ function search() { const query = $(".search_input").val(); const list = $(".search_results"); @@ -315,6 +958,7 @@ function search() { } } +/* exported dict_lookup */ function dict_lookup(word, callback) { $.post("backend.php", {op: 'define', word: word}, function(data) { if (data) { @@ -328,6 +972,7 @@ function dict_lookup(word, callback) { }); } +/* exported open_previous_location */ function open_previous_location(elem) { const cfi = $(elem).attr("data-location-cfi"); @@ -233,650 +233,5 @@ </div> </div> -<script type='text/javascript'> - 'use strict'; - - let _pagination_stored = 0; - let _last_position_sync = 0; - let _store_position = 0; - let _is_ios = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream; - let _res_data = []; - - const DEFAULT_FONT_SIZE = 16; - const DEFAULT_FONT_FAMILY = "Georgia"; - const DEFAULT_LINE_HEIGHT = 140; - - function cacheId(suffix) { - return "epube-book." + $.urlParam("b") + (suffix ? "." + suffix : ""); - } - - $(document).ready(function() { - if ('serviceWorker' in navigator) { - navigator.serviceWorker - .register('worker.js') - .then(function() { - console.log("service worker registered"); - - init_loader(); - }); - } else { - alert("Service worker support missing in browser (are you using plain HTTP?)."); - } - }); - - function init_loader() { - // we need to preload resources for reader iframe because it can't utilize our - // service worker because while offline it is created outside our base server context - var res_names = [ "lib/bootstrap/v3/js/jquery.js", "lib/jquery.mobile.custom.js", - "css/transitions.css", - "js/reader.js", "css/reader.css", "js/dict.js", - "themes/default.css", "themes/mocca.css", "themes/night.css", - "themes/plan9.css", "themes/gray.css" ]; - - for (var i = 0; i < res_names.length; i++) { - fetch(res_names[i], {credentials: 'same-origin'}).then(function(resp) { - if (resp.status == 200) { - resp.text().then(function(data) { - var url = new URL(resp.url); - url.searchParams.delete("ts"); - - _res_data[url.toString()] = data; - }) - } else { - console.warn('loader failed for resource', res_names[i], resp); - } - }); - } - - check_resource_load(res_names, _res_data, 0); - } - - function check_resource_load(res_names, res_data, attempt) { - console.log("check_resource_load", attempt, res_names.length, Object.keys(res_data).length); - - if (attempt == 5) { - $(".loading_message").html("Unable to load resources."); - return; - } - - if (res_names.length != Object.keys(res_data).length) { - window.setTimeout(function() { - check_resource_load(res_names, res_data, attempt+1); - }, 250); - } else { - init_reader(); - } - } - - function init_reader() { - apply_theme(); - - $(window).on('online', function() { - console.log("we're online, storing lastread"); - - var currentCfi = book.rendition.currentLocation().start.cfi; - var currentPage = parseInt(book.locations.percentageFromCfi(currentCfi) * 100); - - $.post("backend.php", { op: "storelastread", id: $.urlParam("id"), page: currentPage, - cfi: currentCfi }, function(data) { - - if (data.cfi) { - _last_position_sync = new Date().getTime()/1000; - } - }) - .fail(function(e) { - if (e && e.status == 401) { - window.location = "index.php"; - } - }); - }); - - localforage.getItem(cacheId("book")).then(function(item) { - - // ios doesn't work with FileReader for whatever reason - if (/*!_is_ios &&*/ item) { - - console.log("loading from local storage"); - - var fileReader = new FileReader(); - - fileReader.onload = function(evt) { - try { - book.open(this.result); - } catch (e) { - $(".loading_message").html("Unable to load book (local)."); - console.log(e); - } - }; - - fileReader.readAsArrayBuffer(item); - - } else { - - console.log("loading from network"); - - if (navigator.onLine) { - var book_url = "backend.php?op=download&id=" + $.urlParam("id"); - - $(".loading_message").html("Downloading..."); - - fetch(book_url, {credentials: 'same-origin'}).then(function(resp) { - - if (resp.status == 200) { - var bookId = $.urlParam("b"); - - // let's store this for later - localforage.setItem(cacheId('book'), resp.clone().blob()); - - // if there's no base information cached yet, let's do that too - localforage.getItem(cacheId()).then(function(info) { - if (!info) { - $.post("backend.php", {op: "getinfo", id: bookId }, function(data) { - if (data) { - localforage.setItem(cacheId(), data); - - if (data.has_cover) { - fetch("backend.php?op=cover&id=" + bookId, {credentials: 'same-origin'}).then(function(resp) { - if (resp.status == 200) { - localforage.setItem(cacheId('cover'), resp.blob()); - } - }); - } - } - }); - } - }); - - resp.blob().then(function(blob) { - - var fileReader = new FileReader(); - - fileReader.onload = function() { - book.open(this.result); - }; - - fileReader.readAsArrayBuffer(blob); - - }); - } else { - $(".loading_message").html("Unable to download book: " + resp.status + "."); - } - }).catch(function(err) { - console.warn(err); - - if ($(".loading").is(":visible")) { - $(".loading_message").html("Unable to load book (remote)."); - } - }); - - } else { - $(".loading_message").html("This book is not available offline."); - } - } - }); - - var book = ePub(); - - window.book = book; - - var rendition = book.renderTo("reader", { - width: '100%', - height: '100%', - minSpreadWidth: 961 - }); - - var displayed = rendition.display(); - - var fontSize; - var fontFamily; - var lineHeight; - var themeName; - - Promise.all([ - localforage.getItem("epube.fontSize"), - localforage.getItem("epube.fontFamily"), - localforage.getItem("epube.lineHeight"), - localforage.getItem("epube.theme") - ]).then(function(res) { - fontSize = res[0] ? res[0] + "px" : DEFAULT_FONT_SIZE + "px"; - fontFamily = res[1] ? res[1] : DEFAULT_FONT_FAMILY; - lineHeight = res[2] ? res[2] + "%" : DEFAULT_LINE_HEIGHT + "%"; - themeName = res[3] ? res[3] : 'default'; - - rendition.themes.default({ - html: { - 'font-size': fontSize, - 'font-family': fontFamily, - 'line-height': lineHeight, - 'text-align': 'justify' - } - }); - - }); - - rendition.hooks.content.register(function(contents) { - - contents.on("linkClicked", function(href) { - console.log('linkClicked', href); - - if (href.indexOf("://") == -1) { - $(".prev_location_btn") - .attr("data-location-cfi", book.rendition.currentLocation().start.cfi) - .show(); - - window.setTimeout(function() { - show_ui(true); - }, 50); - } - - }); - - var base_url = window.location.href.match(/^.*\//)[0]; - var res_names = [ "lib/bootstrap/v3/js/jquery.js", "lib/jquery.mobile.custom.js", - "js/reader.js", "js/dict.js" ]; - var doc = contents.document; - - for (var i = 0; i < res_names.length; i++) { - - // we need to create script element with proper context, that is inside the iframe - var elem = doc.createElement("script"); - elem.type = 'text/javascript'; - elem.text = _res_data[base_url + res_names[i]]; - - doc.head.appendChild(elem); - } - - $(contents.document.head) - .append($("<style type='text/css'>") - .text(_res_data[base_url + 'css/reader.css'])); - - /*localforage.getItem("epube.disable-transitions").then(function(notransitions) { - if (!notransitions) { - $(contents.document.head) - .append($("<style type='text/css'>") - .text(_res_data[base_url + 'css/transitions.css'])); - - // TODO: fix transitions somehow - - EPUBJS.Render.Iframe.prototype.setLeft = function(leftPos){ - this.docEl.style[this.transform] = 'translate('+ (-leftPos) + 'px, 0)'; - } - } - }); */ - - return localforage.getItem("epube.theme").then(function(theme) { - - if (!theme) theme = 'default'; - - var theme_url = base_url + 'themes/' + theme + '.css'; - - $(contents.document.head) - .append($("<style type='text/css' id='theme_css'>") - .text(_res_data[theme_url])); - }); - - }); - - $('#settings-modal').on('shown.bs.modal', function() { - - localforage.getItem(cacheId("lastread")).then((item) => { - if (item && item.cfi) { - $(".lastread_input").val(item.page + '%'); - } - - $.post("backend.php", { op: "getlastread", id: $.urlParam("id") }, function(data) { - $(".lastread_input").val(data.page + '%'); - }); - - }); - - /*localforage.getItem("epube.disable-transitions").then(function(disable) { - $(".transition_checkbox") - .attr("checked", disable) - .on("click", function() { - localforage.setItem("epube.disable-transitions", this.checked); - }); - });*/ - - localforage.getItem("epube.keep-ui-visible").then(function(keep) { - $(".keep_ui_checkbox") - .attr("checked", keep) - .on("click", function() { - localforage.setItem("epube.keep-ui-visible", this.checked); - }); - }); - - localforage.getItem("epube.fontFamily").then(function(font) { - if (!font) font = DEFAULT_FONT_FAMILY; - - $(".font_family").val(font); - }); - - localforage.getItem("epube.theme").then(function(theme) { - $(".theme_name").val(theme); - }); - - localforage.getItem("epube.fontSize").then(function(size) { - - if (!size) size = DEFAULT_FONT_SIZE; - - var zoom = $(".font_size").html(""); - - for (var i = 10; i <= 32; i++) { - var opt = $("<option>").val(i).html(i + " px"); - - if (i == size) opt.attr("selected", "1"); - - zoom.append(opt); - } - - }); - - localforage.getItem("epube.lineHeight").then(function(height) { - - if (!height) height = DEFAULT_LINE_HEIGHT; - - var zoom = $(".line_height").html(""); - - for (var i = 100; i <= 220; i += 10) { - var opt = $("<option>").val(i).html(i + "%"); - - if (i == height) opt.attr("selected", "1"); - - zoom.append(opt); - } - - }); - }) - - $('#dict-modal').on('shown.bs.modal', function() { - $(".dict_result").scrollTop(0); - }) - - $(".dict_search_btn").on("click", function() { - $("#dict-modal").modal('hide'); - window.open("https://google.com/search?q=" + $(".dict_query").val()); - }); - - $('#toc-modal').on('shown.bs.modal', function() { - function toc_loc_msg(href) { - try { - var cfiBase = book.spine.get(href).cfiBase; - - var loc = book.locations._locations.find(function(k) { - return k.indexOf(cfiBase) != -1 - }); - - return window.book.locations.locationFromCfi(loc); - - } catch (e) { - console.warn(e); - } - - return ""; - } - - function process_toc_sublist(row, list, nest) { - - if (nest == 3) return false; - - if (row.subitems) { - - var sublist = $("<ul class='toc_sublist list-unstyled'>"); - - $.each(row.subitems, function(i, row) { - - var a = $("<a>") - .attr('href', '#') - .html("<b class='pull-right'>" + toc_loc_msg(row.href) + "</b>" + row.label) - .attr('data-href', row.href) - .click(function() { - book.rendition.display(a.attr('data-href')); - }); - - sublist.append($("<li>").append(a)); - - process_toc_sublist(row, sublist, nest + 1); - - }); - - list.append(sublist); - } - } - - var toc = book.navigation.toc; - - var list = $(".toc_list"); - list.html(""); - - $.each(toc, function(i, row) { - - // if anything fails here the toc entry is likely useless anyway (i.e. no cfi) - try { - var a = $("<a>") - .attr('href', '#') - .html("<b class='pull-right'>" + toc_loc_msg(row.href) + "</b>" + row.label) - .attr('data-href', row.href) - .click(function() { - book.rendition.display(a.attr('data-href')); - }); - - list.append($("<li>").append(a)); - - process_toc_sublist(row, list, 0); - - } catch (e) { - console.warn(e); - } - }); - - // well the toc didn't work out, might as well generate one - if (list.children().length <= 1) { - - list.html(""); - - $.each(book.spine.items, function (i, row) { - - var a = $("<a>") - .attr('href', '#') - .attr('title', row.url) - .html("Section " + (i+1)) - .attr('data-href', row.href) - .click(function() { - book.rendition.display(a.attr('data-href')); - }); - - list.append($("<li>").append(a)); - - }); - } - - }); - - book.ready.then(function() { - - var meta = book.package.metadata; - - document.title = meta.title + " – " + meta.creator; - $(".title").html("<b>" + meta.title + "</b> - " + meta.creator); - - return localforage.getItem(cacheId("locations")).then(function(locations) { - - // legacy format is array of objects {cfi: ..., page: ...} - if (locations && typeof locations[0] == "string") { - _pagination_stored = 1; - return book.locations.load(locations); - } else { - var url = "backend.php?op=getpagination&id=" + encodeURIComponent($.urlParam("id")); - - return fetch(url, {credentials:'same-origin'}).then(function(resp) { - - if (resp.ok) { - return resp.json().then(function(locations) { - if (locations && typeof locations[0] == "string") { - _pagination_stored = 1; - return book.locations.load(locations); - } else { - $(".loading_message").html("Paginating..."); - return book.locations.generate(1600); - } - }); - } else { - $(".loading_message").html("Paginating..."); - return book.locations.generate(1600); - } - }).catch(function() { - $(".loading_message").html("Paginating..."); - return book.locations.generate(1600); - }); - } - - }); - - }).then(function(locations) { - - if (locations && !_pagination_stored) { - if (navigator.onLine) { - $.post("backend.php", { op: "storepagination", id: $.urlParam("id"), - payload: JSON.stringify(locations), total: 100}); - } - - localforage.setItem(cacheId("locations"), locations); - - } - - $(".location").click(function() { - var current = book.rendition.currentLocation().start.location; - var total = book.locations.length(); - - var page = prompt("Jump to location [1-" + total + "]", current); - - if (page) { - book.rendition.display(book.locations._locations[page]); - } - }); - - open_lastread(); - - window.setTimeout(function() { - open_lastread(); - - $(".loading").hide(); - }, 250); - }); - - rendition.on("keyup", hotkey_handler); - - rendition.on('resized', function() { - console.log('resized'); - - $(".loading").show(); - $(".loading_message").html("Opening chapter..."); - - window.setTimeout(function() { - open_lastread(); - - $(".loading").hide(); - }, 250); - }); - - rendition.on('rendered', function(chapter) { - $(".chapter").html($("<span>").addClass("glyphicon glyphicon-th-list")); - - resize_side_columns(); - - try { - var location = book.rendition.currentLocation(); - - if (location.start) { - var cur_href = book.canonical(location.start.href); - var toc_entry = false; - - function iterate_sublist(row, nest) { - if (nest == 3) return false; - - if (row.subitems) { - $.each(row.subitems, function (i, r) { - - if (book.spine.get(r.href).canonical == cur_href) { - toc_entry = r; - return true; - } - - if (iterate_sublist(r, nest + 1)) - return true; - }); - } - - return false; - } - - $.each(book.navigation.toc, function(i, a) { - if (book.spine.get(a.href).canonical == cur_href) { - toc_entry = a; - return; - } - - if (iterate_sublist(a, 0)) return; - - }); - - if (toc_entry && toc_entry.label.trim()) - $(".chapter").append(" " + toc_entry.label); - } - - } catch (e) { - console.warn(e); - } - }); - - rendition.on('relocated', function(location) { - - // locations not generated yet - if (book.locations.length() == 0) - return; - - var currentCfi = location.start.cfi; - var currentPage = parseInt(book.locations.percentageFromCfi(currentCfi) * 100); - var pct = book.locations.percentageFromCfi(currentCfi); - - $("#cur_page").html(location.start.location); - $("#total_pages").html(book.locations.length()); - - $("#page_pct").html(parseInt(pct*100) + '%'); - - if (_store_position && new Date().getTime()/1000 - _last_position_sync > 15) { - console.log("storing lastread", currentPage, currentCfi); - - if (navigator.onLine) { - - $.post("backend.php", { op: "storelastread", id: $.urlParam("id"), page: currentPage, - cfi: currentCfi }, function(data) { - - if (data.cfi) { - _last_position_sync = new Date().getTime()/1000; - } - - }) - .fail(function(e) { - if (e && e.status == 401) { - window.location = "index.php"; - } - }); - - _store_position = 0; - } else { - _last_position_sync = 0; - } - - localforage.setItem(cacheId("lastread"), - {cfi: currentCfi, page: currentPage, total: 100}); - - } - }); - - } -</script> - </body> </html> |