[MOV] web, website(_slides): move PDFjs lib to web

website_sign is now a backend-only module in enterprise, so it should
not use a website library (even in a static way).

1 files changed, 0 insertions, 419 deletions

diff --git a/addons/website/static/lib/pdfjs/web/text_layer_builder.js b/addons/website/static/lib/pdfjs/web/text_layer_builder.js
deleted file mode 100644
index 7483c023d5a..00000000000
--- a/addons/website/static/lib/pdfjs/web/text_layer_builder.js
+++ /dev/null
@@ -1,419 +0,0 @@
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* Copyright 2012 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/* globals CustomStyle, PDFJS */
-
-'use strict';
-
-var MAX_TEXT_DIVS_TO_RENDER = 100000;
-
-var NonWhitespaceRegexp = /\S/;
-
-function isAllWhitespace(str) {
-  return !NonWhitespaceRegexp.test(str);
-}
-
-/**
- * @typedef {Object} TextLayerBuilderOptions
- * @property {HTMLDivElement} textLayerDiv - The text layer container.
- * @property {number} pageIndex - The page index.
- * @property {PageViewport} viewport - The viewport of the text layer.
- * @property {PDFFindController} findController
- */
-
-/**
- * TextLayerBuilder provides text-selection functionality for the PDF.
- * It does this by creating overlay divs over the PDF text. These divs
- * contain text that matches the PDF text they are overlaying. This object
- * also provides a way to highlight text that is being searched for.
- * @class
- */
-var TextLayerBuilder = (function TextLayerBuilderClosure() {
-  function TextLayerBuilder(options) {
-    this.textLayerDiv = options.textLayerDiv;
-    this.renderingDone = false;
-    this.divContentDone = false;
-    this.pageIdx = options.pageIndex;
-    this.pageNumber = this.pageIdx + 1;
-    this.matches = [];
-    this.viewport = options.viewport;
-    this.textDivs = [];
-    this.findController = options.findController || null;
-  }
-
-  TextLayerBuilder.prototype = {
-    _finishRendering: function TextLayerBuilder_finishRendering() {
-      this.renderingDone = true;
-
-      var event = document.createEvent('CustomEvent');
-      event.initCustomEvent('textlayerrendered', true, true, {
-        pageNumber: this.pageNumber
-      });
-      this.textLayerDiv.dispatchEvent(event);
-    },
-
-    renderLayer: function TextLayerBuilder_renderLayer() {
-      var textLayerFrag = document.createDocumentFragment();
-      var textDivs = this.textDivs;
-      var textDivsLength = textDivs.length;
-      var canvas = document.createElement('canvas');
-      var ctx = canvas.getContext('2d');
-
-      // No point in rendering many divs as it would make the browser
-      // unusable even after the divs are rendered.
-      if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
-        this._finishRendering();
-        return;
-      }
-
-      var lastFontSize;
-      var lastFontFamily;
-      for (var i = 0; i < textDivsLength; i++) {
-        var textDiv = textDivs[i];
-        if (textDiv.dataset.isWhitespace !== undefined) {
-          continue;
-        }
-
-        var fontSize = textDiv.style.fontSize;
-        var fontFamily = textDiv.style.fontFamily;
-
-        // Only build font string and set to context if different from last.
-        if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) {
-          ctx.font = fontSize + ' ' + fontFamily;
-          lastFontSize = fontSize;
-          lastFontFamily = fontFamily;
-        }
-
-        var width = ctx.measureText(textDiv.textContent).width;
-        if (width > 0) {
-          textLayerFrag.appendChild(textDiv);
-          var transform;
-          if (textDiv.dataset.canvasWidth !== undefined) {
-            // Dataset values come of type string.
-            var textScale = textDiv.dataset.canvasWidth / width;
-            transform = 'scaleX(' + textScale + ')';
-          } else {
-            transform = '';
-          }
-          var rotation = textDiv.dataset.angle;
-          if (rotation) {
-            transform = 'rotate(' + rotation + 'deg) ' + transform;
-          }
-          if (transform) {
-            CustomStyle.setProp('transform' , textDiv, transform);
-          }
-        }
-      }
-
-      this.textLayerDiv.appendChild(textLayerFrag);
-      this._finishRendering();
-      this.updateMatches();
-    },
-
-    /**
-     * Renders the text layer.
-     * @param {number} timeout (optional) if specified, the rendering waits
-     *   for specified amount of ms.
-     */
-    render: function TextLayerBuilder_render(timeout) {
-      if (!this.divContentDone || this.renderingDone) {
-        return;
-      }
-
-      if (this.renderTimer) {
-        clearTimeout(this.renderTimer);
-        this.renderTimer = null;
-      }
-
-      if (!timeout) { // Render right away
-        this.renderLayer();
-      } else { // Schedule
-        var self = this;
-        this.renderTimer = setTimeout(function() {
-          self.renderLayer();
-          self.renderTimer = null;
-        }, timeout);
-      }
-    },
-
-    appendText: function TextLayerBuilder_appendText(geom, styles) {
-      var style = styles[geom.fontName];
-      var textDiv = document.createElement('div');
-      this.textDivs.push(textDiv);
-      if (isAllWhitespace(geom.str)) {
-        textDiv.dataset.isWhitespace = true;
-        return;
-      }
-      var tx = PDFJS.Util.transform(this.viewport.transform, geom.transform);
-      var angle = Math.atan2(tx[1], tx[0]);
-      if (style.vertical) {
-        angle += Math.PI / 2;
-      }
-      var fontHeight = Math.sqrt((tx[2] * tx[2]) + (tx[3] * tx[3]));
-      var fontAscent = fontHeight;
-      if (style.ascent) {
-        fontAscent = style.ascent * fontAscent;
-      } else if (style.descent) {
-        fontAscent = (1 + style.descent) * fontAscent;
-      }
-
-      var left;
-      var top;
-      if (angle === 0) {
-        left = tx[4];
-        top = tx[5] - fontAscent;
-      } else {
-        left = tx[4] + (fontAscent * Math.sin(angle));
-        top = tx[5] - (fontAscent * Math.cos(angle));
-      }
-      textDiv.style.left = left + 'px';
-      textDiv.style.top = top + 'px';
-      textDiv.style.fontSize = fontHeight + 'px';
-      textDiv.style.fontFamily = style.fontFamily;
-
-      textDiv.textContent = geom.str;
-      // |fontName| is only used by the Font Inspector. This test will succeed
-      // when e.g. the Font Inspector is off but the Stepper is on, but it's
-      // not worth the effort to do a more accurate test.
-      if (PDFJS.pdfBug) {
-        textDiv.dataset.fontName = geom.fontName;
-      }
-      // Storing into dataset will convert number into string.
-      if (angle !== 0) {
-        textDiv.dataset.angle = angle * (180 / Math.PI);
-      }
-      // We don't bother scaling single-char text divs, because it has very
-      // little effect on text highlighting. This makes scrolling on docs with
-      // lots of such divs a lot faster.
-      if (textDiv.textContent.length > 1) {
-        if (style.vertical) {
-          textDiv.dataset.canvasWidth = geom.height * this.viewport.scale;
-        } else {
-          textDiv.dataset.canvasWidth = geom.width * this.viewport.scale;
-        }
-      }
-    },
-
-    setTextContent: function TextLayerBuilder_setTextContent(textContent) {
-      this.textContent = textContent;
-
-      var textItems = textContent.items;
-      for (var i = 0, len = textItems.length; i < len; i++) {
-        this.appendText(textItems[i], textContent.styles);
-      }
-      this.divContentDone = true;
-    },
-
-    convertMatches: function TextLayerBuilder_convertMatches(matches) {
-      var i = 0;
-      var iIndex = 0;
-      var bidiTexts = this.textContent.items;
-      var end = bidiTexts.length - 1;
-      var queryLen = (this.findController === null ?
-                      0 : this.findController.state.query.length);
-      var ret = [];
-
-      for (var m = 0, len = matches.length; m < len; m++) {
-        // Calculate the start position.
-        var matchIdx = matches[m];
-
-        // Loop over the divIdxs.
-        while (i !== end && matchIdx >= (iIndex + bidiTexts[i].str.length)) {
-          iIndex += bidiTexts[i].str.length;
-          i++;
-        }
-
-        if (i === bidiTexts.length) {
-          console.error('Could not find a matching mapping');
-        }
-
-        var match = {
-          begin: {
-            divIdx: i,
-            offset: matchIdx - iIndex
-          }
-        };
-
-        // Calculate the end position.
-        matchIdx += queryLen;
-
-        // Somewhat the same array as above, but use > instead of >= to get
-        // the end position right.
-        while (i !== end && matchIdx > (iIndex + bidiTexts[i].str.length)) {
-          iIndex += bidiTexts[i].str.length;
-          i++;
-        }
-
-        match.end = {
-          divIdx: i,
-          offset: matchIdx - iIndex
-        };
-        ret.push(match);
-      }
-
-      return ret;
-    },
-
-    renderMatches: function TextLayerBuilder_renderMatches(matches) {
-      // Early exit if there is nothing to render.
-      if (matches.length === 0) {
-        return;
-      }
-
-      var bidiTexts = this.textContent.items;
-      var textDivs = this.textDivs;
-      var prevEnd = null;
-      var pageIdx = this.pageIdx;
-      var isSelectedPage = (this.findController === null ?
-        false : (pageIdx === this.findController.selected.pageIdx));
-      var selectedMatchIdx = (this.findController === null ?
-                              -1 : this.findController.selected.matchIdx);
-      var highlightAll = (this.findController === null ?
-                          false : this.findController.state.highlightAll);
-      var infinity = {
-        divIdx: -1,
-        offset: undefined
-      };
-
-      function beginText(begin, className) {
-        var divIdx = begin.divIdx;
-        textDivs[divIdx].textContent = '';
-        appendTextToDiv(divIdx, 0, begin.offset, className);
-      }
-
-      function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
-        var div = textDivs[divIdx];
-        var content = bidiTexts[divIdx].str.substring(fromOffset, toOffset);
-        var node = document.createTextNode(content);
-        if (className) {
-          var span = document.createElement('span');
-          span.className = className;
-          span.appendChild(node);
-          div.appendChild(span);
-          return;
-        }
-        div.appendChild(node);
-      }
-
-      var i0 = selectedMatchIdx, i1 = i0 + 1;
-      if (highlightAll) {
-        i0 = 0;
-        i1 = matches.length;
-      } else if (!isSelectedPage) {
-        // Not highlighting all and this isn't the selected page, so do nothing.
-        return;
-      }
-
-      for (var i = i0; i < i1; i++) {
-        var match = matches[i];
-        var begin = match.begin;
-        var end = match.end;
-        var isSelected = (isSelectedPage && i === selectedMatchIdx);
-        var highlightSuffix = (isSelected ? ' selected' : '');
-
-        if (this.findController) {
-          this.findController.updateMatchPosition(pageIdx, i, textDivs,
-                                                  begin.divIdx, end.divIdx);
-        }
-
-        // Match inside new div.
-        if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
-          // If there was a previous div, then add the text at the end.
-          if (prevEnd !== null) {
-            appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
-          }
-          // Clear the divs and set the content until the starting point.
-          beginText(begin);
-        } else {
-          appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
-        }
-
-        if (begin.divIdx === end.divIdx) {
-          appendTextToDiv(begin.divIdx, begin.offset, end.offset,
-                          'highlight' + highlightSuffix);
-        } else {
-          appendTextToDiv(begin.divIdx, begin.offset, infinity.offset,
-                          'highlight begin' + highlightSuffix);
-          for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
-            textDivs[n0].className = 'highlight middle' + highlightSuffix;
-          }
-          beginText(end, 'highlight end' + highlightSuffix);
-        }
-        prevEnd = end;
-      }
-
-      if (prevEnd) {
-        appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
-      }
-    },
-
-    updateMatches: function TextLayerBuilder_updateMatches() {
-      // Only show matches when all rendering is done.
-      if (!this.renderingDone) {
-        return;
-      }
-
-      // Clear all matches.
-      var matches = this.matches;
-      var textDivs = this.textDivs;
-      var bidiTexts = this.textContent.items;
-      var clearedUntilDivIdx = -1;
-
-      // Clear all current matches.
-      for (var i = 0, len = matches.length; i < len; i++) {
-        var match = matches[i];
-        var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
-        for (var n = begin, end = match.end.divIdx; n <= end; n++) {
-          var div = textDivs[n];
-          div.textContent = bidiTexts[n].str;
-          div.className = '';
-        }
-        clearedUntilDivIdx = match.end.divIdx + 1;
-      }
-
-      if (this.findController === null || !this.findController.active) {
-        return;
-      }
-
-      // Convert the matches on the page controller into the match format
-      // used for the textLayer.
-      this.matches = this.convertMatches(this.findController === null ?
-        [] : (this.findController.pageMatches[this.pageIdx] || []));
-      this.renderMatches(this.matches);
-    }
-  };
-  return TextLayerBuilder;
-})();
-
-/**
- * @constructor
- * @implements IPDFTextLayerFactory
- */
-function DefaultTextLayerFactory() {}
-DefaultTextLayerFactory.prototype = {
-  /**
-   * @param {HTMLDivElement} textLayerDiv
-   * @param {number} pageIndex
-   * @param {PageViewport} viewport
-   * @returns {TextLayerBuilder}
-   */
-  createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport) {
-    return new TextLayerBuilder({
-      textLayerDiv: textLayerDiv,
-      pageIndex: pageIndex,
-      viewport: viewport
-    });
-  }
-};