[IMP] website: PDFJS lib - GitHub import

* Import src, web and external directories from PDFJS GitHub repo

1 files changed, 177 insertions, 0 deletions

diff --git a/addons/website/static/lib/pdfjs/web/annotations_layer_builder.js b/addons/website/static/lib/pdfjs/web/annotations_layer_builder.js
new file mode 100644
index 00000000000..b5ef814ec79
--- /dev/null
+++ b/addons/website/static/lib/pdfjs/web/annotations_layer_builder.js
@@ -0,0 +1,177 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+/* Copyright 2014 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 PDFJS, CustomStyle, mozL10n */
+
+'use strict';
+
+/**
+ * @typedef {Object} AnnotationsLayerBuilderOptions
+ * @property {HTMLDivElement} pageDiv
+ * @property {PDFPage} pdfPage
+ * @property {IPDFLinkService} linkService
+ */
+
+/**
+ * @class
+ */
+var AnnotationsLayerBuilder = (function AnnotationsLayerBuilderClosure() {
+  /**
+   * @param {AnnotationsLayerBuilderOptions} options
+   * @constructs AnnotationsLayerBuilder
+   */
+  function AnnotationsLayerBuilder(options) {
+    this.pageDiv = options.pageDiv;
+    this.pdfPage = options.pdfPage;
+    this.linkService = options.linkService;
+
+    this.div = null;
+  }
+  AnnotationsLayerBuilder.prototype =
+      /** @lends AnnotationsLayerBuilder.prototype */ {
+
+    /**
+     * @param {PageViewport} viewport
+     */
+    setupAnnotations:
+        function AnnotationsLayerBuilder_setupAnnotations(viewport) {
+      function bindLink(link, dest) {
+        link.href = linkService.getDestinationHash(dest);
+        link.onclick = function annotationsLayerBuilderLinksOnclick() {
+          if (dest) {
+            linkService.navigateTo(dest);
+          }
+          return false;
+        };
+        if (dest) {
+          link.className = 'internalLink';
+        }
+      }
+
+      function bindNamedAction(link, action) {
+        link.href = linkService.getAnchorUrl('');
+        link.onclick = function annotationsLayerBuilderNamedActionOnClick() {
+          linkService.executeNamedAction(action);
+          return false;
+        };
+        link.className = 'internalLink';
+      }
+
+      var linkService = this.linkService;
+      var pdfPage = this.pdfPage;
+      var self = this;
+
+      pdfPage.getAnnotations().then(function (annotationsData) {
+        viewport = viewport.clone({ dontFlip: true });
+        var transform = viewport.transform;
+        var transformStr = 'matrix(' + transform.join(',') + ')';
+        var data, element, i, ii;
+
+        if (self.div) {
+          // If an annotationLayer already exists, refresh its children's
+          // transformation matrices
+          for (i = 0, ii = annotationsData.length; i < ii; i++) {
+            data = annotationsData[i];
+            element = self.div.querySelector(
+                '[data-annotation-id="' + data.id + '"]');
+            if (element) {
+              CustomStyle.setProp('transform', element, transformStr);
+            }
+          }
+          // See PDFPageView.reset()
+          self.div.removeAttribute('hidden');
+        } else {
+          for (i = 0, ii = annotationsData.length; i < ii; i++) {
+            data = annotationsData[i];
+            if (!data || !data.hasHtml) {
+              continue;
+            }
+
+            element = PDFJS.AnnotationUtils.getHtmlElement(data,
+              pdfPage.commonObjs);
+            element.setAttribute('data-annotation-id', data.id);
+            if (typeof mozL10n !== 'undefined') {
+              mozL10n.translate(element);
+            }
+
+            var rect = data.rect;
+            var view = pdfPage.view;
+            rect = PDFJS.Util.normalizeRect([
+              rect[0],
+                view[3] - rect[1] + view[1],
+              rect[2],
+                view[3] - rect[3] + view[1]
+            ]);
+            element.style.left = rect[0] + 'px';
+            element.style.top = rect[1] + 'px';
+            element.style.position = 'absolute';
+
+            CustomStyle.setProp('transform', element, transformStr);
+            var transformOriginStr = -rect[0] + 'px ' + -rect[1] + 'px';
+            CustomStyle.setProp('transformOrigin', element, transformOriginStr);
+
+            if (data.subtype === 'Link' && !data.url) {
+              var link = element.getElementsByTagName('a')[0];
+              if (link) {
+                if (data.action) {
+                  bindNamedAction(link, data.action);
+                } else {
+                  bindLink(link, ('dest' in data) ? data.dest : null);
+                }
+              }
+            }
+
+            if (!self.div) {
+              var annotationLayerDiv = document.createElement('div');
+              annotationLayerDiv.className = 'annotationLayer';
+              self.pageDiv.appendChild(annotationLayerDiv);
+              self.div = annotationLayerDiv;
+            }
+
+            self.div.appendChild(element);
+          }
+        }
+      });
+    },
+
+    hide: function () {
+      if (!this.div) {
+        return;
+      }
+      this.div.setAttribute('hidden', 'true');
+    }
+  };
+  return AnnotationsLayerBuilder;
+})();
+
+/**
+ * @constructor
+ * @implements IPDFAnnotationsLayerFactory
+ */
+function DefaultAnnotationsLayerFactory() {}
+DefaultAnnotationsLayerFactory.prototype = {
+  /**
+   * @param {HTMLDivElement} pageDiv
+   * @param {PDFPage} pdfPage
+   * @returns {AnnotationsLayerBuilder}
+   */
+  createAnnotationsLayerBuilder: function (pageDiv, pdfPage) {
+    return new AnnotationsLayerBuilder({
+      pageDiv: pageDiv,
+      pdfPage: pdfPage
+    });
+  }
+};