Merge remote-tracking branch 'pdf.js/epubjs'

Updated pdf.js

cps/static/js/libs/debugger.js

@@ -12,38 +12,35 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint-disable no-var */
 
 'use strict';
 
 var FontInspector = (function FontInspectorClosure() {
-  var fonts;
+  var fonts, createObjectURL;
   var active = false;
   var fontAttribute = 'data-font-name';
   function removeSelection() {
-    var divs = document.querySelectorAll('div[' + fontAttribute + ']');
-    for (var i = 0, ii = divs.length; i < ii; ++i) {
-      var div = divs[i];
+    let divs = document.querySelectorAll(`span[${fontAttribute}]`);
+    for (let div of divs) {
       div.className = '';
     }
   }
   function resetSelection() {
-    var divs = document.querySelectorAll('div[' + fontAttribute + ']');
-    for (var i = 0, ii = divs.length; i < ii; ++i) {
-      var div = divs[i];
+    let divs = document.querySelectorAll(`span[${fontAttribute}]`);
+    for (let div of divs) {
       div.className = 'debuggerHideText';
     }
   }
   function selectFont(fontName, show) {
-    var divs = document.querySelectorAll('div[' + fontAttribute + '=' +
-                                         fontName + ']');
-    for (var i = 0, ii = divs.length; i < ii; ++i) {
-      var div = divs[i];
+    let divs = document.querySelectorAll(`span[${fontAttribute}=${fontName}]`);
+    for (let div of divs) {
       div.className = show ? 'debuggerShowText' : 'debuggerHideText';
     }
   }
   function textLayerClick(e) {
     if (!e.target.dataset.fontName ||
-        e.target.tagName.toUpperCase() !== 'DIV') {
+        e.target.tagName.toUpperCase() !== 'SPAN') {
       return;
     }
     var fontName = e.target.dataset.fontName;
@@ -74,6 +71,8 @@ var FontInspector = (function FontInspectorClosure() {
 
       fonts = document.createElement('div');
       panel.appendChild(fonts);
+
+      createObjectURL = pdfjsLib.createObjectURL;
     },
     cleanup: function cleanup() {
       fonts.textContent = '';
@@ -118,10 +117,7 @@ var FontInspector = (function FontInspectorClosure() {
         url = /url\(['"]?([^\)"']+)/.exec(url);
         download.href = url[1];
       } else if (fontObj.data) {
-        url = URL.createObjectURL(new Blob([fontObj.data], {
-          type: fontObj.mimeType
-        }));
-        download.href = url;
+        download.href = createObjectURL(fontObj.data, fontObj.mimeType);
       }
       download.textContent = 'Download';
       var logIt = document.createElement('a');
@@ -149,12 +145,12 @@ var FontInspector = (function FontInspectorClosure() {
       fonts.appendChild(font);
       // Somewhat of a hack, should probably add a hook for when the text layer
       // is done rendering.
-      setTimeout(function() {
+      setTimeout(() => {
         if (this.active) {
           resetSelection();
         }
-      }.bind(this), 2000);
-    }
+      }, 2000);
+    },
   };
 })();
 
@@ -243,7 +239,7 @@ var StepperManager = (function StepperManagerClosure() {
     saveBreakPoints: function saveBreakPoints(pageIndex, bps) {
       breakPoints[pageIndex] = bps;
       sessionStorage.setItem('pdfjsBreakPoints', JSON.stringify(breakPoints));
-    }
+    },
   };
 })();
 
@@ -262,7 +258,7 @@ var Stepper = (function StepperClosure() {
     if (typeof args === 'string') {
       var MAX_STRING_LENGTH = 75;
       return args.length <= MAX_STRING_LENGTH ? args :
-        args.substr(0, MAX_STRING_LENGTH) + '...';
+        args.substring(0, MAX_STRING_LENGTH) + '...';
     }
     if (typeof args !== 'object' || args === null) {
       return args;
@@ -337,7 +333,7 @@ var Stepper = (function StepperClosure() {
         line.className = 'line';
         line.dataset.idx = i;
         chunk.appendChild(line);
-        var checked = this.breakPoints.indexOf(i) !== -1;
+        var checked = this.breakPoints.includes(i);
         var args = operatorList.argsArray[i] || [];
 
         var breakCell = c('td');
@@ -387,7 +383,9 @@ var Stepper = (function StepperClosure() {
       this.table.appendChild(chunk);
     },
     getNextBreakPoint: function getNextBreakPoint() {
-      this.breakPoints.sort(function(a, b) { return a - b; });
+      this.breakPoints.sort(function(a, b) {
+        return a - b;
+      });
       for (var i = 0; i < this.breakPoints.length; i++) {
         if (this.breakPoints[i] > this.currentIdx) {
           return this.breakPoints[i];
@@ -431,7 +429,7 @@ var Stepper = (function StepperClosure() {
           row.style.backgroundColor = null;
         }
       }
-    }
+    },
   };
   return Stepper;
 })();
@@ -457,14 +455,13 @@ var Stats = (function Stats() {
     name: 'Stats',
     panel: null,
     manager: null,
-    init: function init(pdfjsLib) {
+    init(pdfjsLib) {
       this.panel.setAttribute('style', 'padding: 5px;');
-      pdfjsLib.PDFJS.enableStats = true;
     },
     enabled: false,
     active: false,
     // Stats specific functions.
-    add: function(pageNumber, stat) {
+    add(pageNumber, stat) {
       if (!stat) {
         return;
       }
@@ -483,22 +480,24 @@ var Stats = (function Stats() {
       statsDiv.textContent = stat.toString();
       wrapper.appendChild(title);
       wrapper.appendChild(statsDiv);
-      stats.push({ pageNumber: pageNumber, div: wrapper });
-      stats.sort(function(a, b) { return a.pageNumber - b.pageNumber; });
+      stats.push({ pageNumber, div: wrapper, });
+      stats.sort(function(a, b) {
+        return a.pageNumber - b.pageNumber;
+      });
       clear(this.panel);
       for (var i = 0, ii = stats.length; i < ii; ++i) {
         this.panel.appendChild(stats[i].div);
       }
     },
-    cleanup: function () {
+    cleanup() {
       stats = [];
       clear(this.panel);
-    }
+    },
   };
 })();
 
 // Manages all the debugging tools.
-var PDFBug = (function PDFBugClosure() {
+window.PDFBug = (function PDFBugClosure() {
   var panelWidth = 300;
   var buttons = [];
   var activePanel = null;
@@ -509,14 +508,14 @@ var PDFBug = (function PDFBugClosure() {
       StepperManager,
       Stats
     ],
-    enable: function(ids) {
+    enable(ids) {
       var all = false, tools = this.tools;
       if (ids.length === 1 && ids[0] === 'all') {
         all = true;
       }
       for (var i = 0; i < tools.length; ++i) {
         var tool = tools[i];
-        if (all || ids.indexOf(tool.id) !== -1) {
+        if (all || ids.includes(tool.id)) {
           tool.enabled = true;
         }
       }
@@ -531,7 +530,7 @@ var PDFBug = (function PDFBugClosure() {
         });
       }
     },
-    init: function init(pdfjsLib, container) {
+    init(pdfjsLib, container) {
       /*
        * Basic Layout:
        * PDFBug
@@ -584,14 +583,14 @@ var PDFBug = (function PDFBugClosure() {
       }
       this.selectPanel(0);
     },
-    cleanup: function cleanup() {
+    cleanup() {
       for (var i = 0, ii = this.tools.length; i < ii; i++) {
         if (this.tools[i].enabled) {
           this.tools[i].cleanup();
         }
       }
     },
-    selectPanel: function selectPanel(index) {
+    selectPanel(index) {
       if (typeof index !== 'number') {
         index = this.tools.indexOf(index);
       }
@@ -611,6 +610,6 @@ var PDFBug = (function PDFBugClosure() {
           tools[j].panel.setAttribute('hidden', 'true');
         }
       }
-    }
+    },
   };
 })();