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epubreader/public/pdfjs/controllers/controls_controller.js

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2020-04-21 20:37:42 +00:00
PDFJS.reader.ControlsController = function(book) {
var reader = this,
eventBus = this.eventBus,
settings = reader.settings,
customStyles = reader.settings.customStyles,
activeStyles = reader.settings.activeStyles;
var $store = $("#store"),
$viewer = $("#viewer"),
$fullscreen = $("#fullscreen"),
$fullscreenicon = $("#fullscreenicon"),
$cancelfullscreenicon = $("#cancelfullscreenicon"),
$slider = $("#slider"),
$main = $("#main"),
$sidebar = $("#sidebar"),
$titlebar = $("#titlebar"),
$settings = $("#setting"),
$bookmark = $("#bookmark"),
$note = $("#note"),
$togglelayout = $("#toggle-layout"),
$zoom_icon = $("#zoom_icon"),
$zoom_options = $("#zoom_options"),
$zoom_option = $(".zoom_option"),
$rotate_icon = $("#rotate_icon"),
$rotate_options = $("#rotate_options"),
$rotate_option = $(".rotate_option"),
$rotate_left = $("#rotate_left"),
$rotate_right = $("#rotate_right"),
$page_num = $("#page_num"),
$total_pages = $("#total_pages"),
$status_message_left = $("#status_message_left"),
$status_message_right = $("#status_message_right"),
$nightmode = $("#nightmode"),
$nightshift = $(".nightshift");
var STATUS_MESSAGE_LENGTH = 30,
STATUS_MESSAGE_TIMEOUT = 3000,
status_timeout_left,
status_timeout_right;
if (reader.isMobile() === true) {
$titlebar.addClass("background_visible");
}
var show = function () {
$titlebar.removeClass("hide");
};
var hide = function () {
$titlebar.addClass("hide");
};
var toggle = function () {
$titlebar.toggleClass("hide");
};
$viewer.on("touchstart", function(e) {
reader.ControlsController.toggle();
});
var setStatus = function (message, right) {
$status_message = (right) ? $status_message_right : $status_message_left;
status_timeout = (right) ? status_timeout_right : status_timeout_left;
$status_message[0].textContent = reader.ellipsize(message, STATUS_MESSAGE_LENGTH);
//$status_message[0].textContent = message;
if (typeof status_timeout === "number") {
clearTimeout(status_timeout);
status_timeout = undefined;
}
status_timeout = setTimeout(function () {
$status_message[0].textContent = "";
}, STATUS_MESSAGE_TIMEOUT);
if (right) {
status_timeout_right = status_timeout;
} else {
status_timeout_left = status_timeout;
}
};
var fullscreen = false;
$slider.on("click", function () {
if(reader.sidebarOpen) {
reader.SidebarController.hide();
} else {
reader.SidebarController.show();
}
});
if(typeof screenfull !== 'undefined') {
$fullscreen.on("click", function() {
screenfull.toggle($('#container')[0]);
});
if(screenfull.raw) {
document.addEventListener(screenfull.raw.fullscreenchange, function() {
fullscreen = screenfull.isFullscreen;
if(fullscreen) {
$fullscreen
.addClass("icon-fullscreen_exit")
.removeClass("icon-fullscreen");
} else {
$fullscreen
.addClass("icon-fullscreen")
.removeClass("icon-fullscreen_exit");
}
});
}
}
$settings.on("click", function() {
reader.SettingsController.show();
});
$note.on("click", function() {
reader.SidebarController.changePanelTo("Notes");
});
$bookmark.on("click", function() {
var currentPage = reader.settings.currentPage,
id = reader.pageToId(currentPage);
if (!reader.isBookmarked(id))
reader.addBookmark(currentPage)
else
reader.removeBookmark(currentPage);
});
/* select works fine on most browsers, but - of course - apple mobile has 'special needs' so
* a custom select is needed...
*/
/* custom select, supports icons in drop-down list */
// zooooooooooooooom
$zoom_icon.on("click", function () {
var offset = $(this).offset();
$zoom_options.css("opacity", 0);
$zoom_options.toggleClass("hide");
$zoom_options.css({
'left': parseInt(offset.left - ($zoom_options.width() / 2)) + "px",
'top' : parseInt(parseInt(offset.top) + parseInt($zoom_icon.height())) + "px"
});
$zoom_options.css("opacity", "");
});
var setZoomIcon = function(zoom) {
$zoom_icon[0].className="";
var $current_zoom_option = $zoom_options.find("[data-value='" + zoom + "']");
if ($current_zoom_option.data("class")) {
$zoom_icon.addClass($current_zoom_option.data("class"));
} else {
$zoom_icon[0].textContent = $current_zoom_option.data("text");
}
};
setZoomIcon(settings.zoomLevel);
$zoom_option.on("click", function () {
var $this = $(this);
reader.setZoom($this.data("value"));
$zoom_icon[0].className="";
$zoom_icon[0].textContent = "";
if ($this.data("class")) {
$zoom_icon.addClass($this.data("class"));
} else {
$zoom_icon[0].textContent = $this.data("text");
}
$zoom_options.addClass("hide");
});
// rotate
var setRotateIcon = function (rotation) {
$rotate_icon[0].className = "";
$rotate_icon[0].className = "icon-rotate_" + rotation;
};
setRotateIcon(settings.rotation);
$rotate_icon.on("click", function () {
var offset = $(this).offset();
$rotate_options.css("opacity", 0);
$rotate_options.toggleClass("hide");
$rotate_options.css({
'left': parseInt(offset.left - ($rotate_options.width() / 2)) + "px",
'top' : parseInt(parseInt(offset.top) + parseInt($rotate_icon.height())) + "px"
});
$rotate_options.css("opacity", "");
});
$rotate_option.on("click", function () {
var $this = $(this);
reader.setRotation($this.data("value"));
$rotate_icon[0].className="";
$rotate_icon[0].textContent = "";
if ($this.data("class")) {
$rotate_icon.addClass($this.data("class"));
} else {
$rotate_icon[0].textContent = $this.data("text");
}
$rotate_options.addClass("hide");
});
$rotate_left.on("click", function () {
// add 360 to avoid negative rotation value
var rotation = (settings.rotation - 90 + 360) % 360;
reader.setRotation(rotation);
$rotate_icon[0].className = "";
$rotate_icon[0].className = "icon-rotate_" + rotation;
});
$rotate_right.on("click", function () {
var rotation = (settings.rotation + 90) % 360;
reader.setRotation(rotation);
$rotate_icon[0].className = "";
$rotate_icon[0].className = "icon-rotate_" + rotation;
});
/* end custom select */
var setNightmodeIcon = function (mode) {
if (mode)
$nightmode.removeClass("icon-brightness_low2").addClass("icon-brightness_4");
else
$nightmode.removeClass("icon-brightness_4").addClass("icon-brightness_low2");
};
$nightshift.off('click').on('click', function () {
if (settings.nightMode) {
reader.disableStyle(customStyles.nightMode);
settings.nightMode = false;
} else {
reader.enableStyle(customStyles.nightMode);
settings.nightMode = true;
}
setNightmodeIcon(settings.nightMode);
});
var enterPageNum = function(e) {
var text = e.target,
page;
switch (e.keyCode) {
case 27: // escape - cancel, discard changes
$page_num[0].removeEventListener("keydown", enterPageNum, false);
$page_num.removeClass("editable");
$page_num.prop("contenteditable",false);
$page_num.text($page_num.data("content"));
break;
case 13: // enter - accept changes
$page_num[0].removeEventListener("keydown", enterPageNum, false);
$page_num.removeClass("editable");
$page_num.attr("contenteditable", false);
page = parseInt($page_num.text());
if (page > 0 && page <= reader.settings.numPages) {
reader.queuePage(page);
} else {
$page_num.text($page_num.data("content"));
}
break;
}
e.stopPropagation();
};
$page_num.on("click", function() {
$page_num.data("content", $page_num.text());
$page_num.text("");
$page_num.prop("contenteditable", true);
$page_num.addClass("editable");
$page_num[0].addEventListener("keydown", enterPageNum, false);
});
eventBus.on("renderer:pagechanged", function toggleControls1(e) {
var page = e.pageNum,
id = reader.pageToId(page);
if (reader.isBookmarked(id))
$bookmark
.addClass("icon-turned_in")
.removeClass("icon-turned_in_not");
else
$bookmark
.removeClass("icon-turned_in")
.addClass("icon-turned_in_not");
});
var setPageCount = function (_numPages) {
var numPages = _numPages || reader.settings.numPages;
$total_pages[0].textContent = parseInt(numPages).toString();
};
var setCurrentPage = function (_page) {
var page = _page || reader.settings.currentPage,
zoom = reader.settings.zoomLevel,
oddPageRight = reader.settings.oddPageRight,
total_pages = reader.settings.numPages,
text;
if (zoom === "spread") {
if (oddPageRight === true) {
page -= page % 2;
} else {
page -= (page + 1) % 2;
}
if (page >= 0 && page <= total_pages) {
if (page === total_pages) {
text = reader.getPageLabel(page);
} else if (page === 0) {
text = reader.getPageLabel(page + 1);
} else {
text = reader.getPageLabel(page) + "-" + reader.getPageLabel(page + 1);
}
}
} else {
text = reader.getPageLabel(page);
}
$page_num[0].textContent = text;
};
return {
"show": show,
"hide": hide,
"toggle": toggle,
"setZoomIcon": setZoomIcon,
"setRotateIcon": setRotateIcon,
"setNightmodeIcon": setNightmodeIcon,
"setCurrentPage": setCurrentPage,
"setPageCount": setPageCount,
"setStatus": setStatus
};
};