Merge branch 'master' into dev-chrome-49

_locales/en/messages.json

@@ -1373,6 +1373,10 @@
     "message": "Stylus can access file:// URLs only if you enable the corresponding checkbox for Stylus extension on chrome://extensions page.",
     "description": "Note in the toolbar popup for file:// URLs"
   },
+  "InaccessibleFileHint": {
+    "message": "Stylus can not access some file types (e.g. pdf & json files).",
+    "description": "Note in the toolbar popup for some file types that cannot be accessed"
+  },
   "updateAllCheckSucceededNoUpdate": {
     "message": "No updates found.",
     "description": "Text that displays when an update all check completed and no updates are available"
@@ -1477,6 +1481,9 @@
   "connectingDropbox": {
     "message": "Connecting Dropbox..."
   },
+  "connectingDropboxNotAllowed": {
+    "message": "Connecting to Dropbox is only available in apps installed directly from the webstore"
+  },
   "gettingStyles": {
     "message": "Getting all styles..."
   },

background/background.js

@@ -56,7 +56,7 @@ window.API_METHODS = Object.assign(window.API_METHODS || {}, {
     return browser.runtime.openOptionsPage()
       .then(() => new Promise(resolve => setTimeout(resolve, 100)))
       .then(() => msg.broadcastExtension({method: 'optionsCustomizeHotkeys'}));
-  },
+  }
 });
 
 // eslint-disable-next-line no-var
@@ -150,6 +150,9 @@ chrome.runtime.onInstalled.addListener(({reason}) => {
   });
   // themes may change
   delete localStorage.codeMirrorThemes;
+  // save install type: "admin", "development", "normal", "sideload" or "other"
+  // "normal" = addon installed from webstore
+  chrome.management.getSelf(info => localStorage.installType = info.installType);
 });
 
 // *************************************************************************

background/usercss-helper.js

@@ -75,6 +75,7 @@
    * @returns {Promise<{style, dup:Boolean?}>}
    */
   function build({
+    styleId,
     sourceCode,
     checkDup,
     metaOnly,
@@ -83,7 +84,8 @@
   }) {
     return usercss.buildMeta(sourceCode)
       .then(style => {
-        const findDup = checkDup || assignVars ? find(style) : null;
+        const findDup = checkDup || assignVars ?
+          find(styleId ? {id: styleId} : style) : Promise.resolve();
         return Promise.all([
           metaOnly ? style : doBuild(style, findDup),
           findDup

content/apply.js

@@ -65,10 +65,9 @@ const APPLY = (() => {
     // Since it's easy to spoof the browser version in pre-Quantum FF we're checking
     // for getPreventDefault which got removed in FF59 https://bugzil.la/691151
     const EVENT_NAME = chrome.runtime.id;
-    const usePageScript = CHROME || isOwnPage || Event.prototype.getPreventDefault ?
+    let ready;
-      Promise.resolve(false) : injectPageScript();
     return (el, content) =>
-      usePageScript.then(ok => {
+      checkPageScript().then(ok => {
         if (!ok) {
           const disabled = el.disabled;
           el.textContent = content;
@@ -83,9 +82,19 @@ const APPLY = (() => {
         }
       });
 
+    function checkPageScript() {
+      if (!ready) {
+        ready = CHROME || isOwnPage || Event.prototype.getPreventDefault ?
+          Promise.resolve(false) : injectPageScript();
+      }
+      return ready;
+    }
+
     function injectPageScript() {
       const scriptContent = EVENT_NAME => {
         document.currentScript.remove();
+        const available = checkStyleApplied();
+        if (available) {
           window.addEventListener(EVENT_NAME, function handler(e) {
             const {method, id, content} = e.detail;
             if (method === 'setStyleContent') {
@@ -100,16 +109,41 @@ const APPLY = (() => {
               window.removeEventListener(EVENT_NAME, handler);
             }
           }, true);
+        }
+        window.dispatchEvent(new CustomEvent(EVENT_NAME, {detail: {
+          method: 'init',
+          available
+        }}));
+
+        function checkStyleApplied() {
+          const style = document.createElement('style');
+          style.textContent = ':root{--stylus-applied:1}';
+          document.documentElement.appendChild(style);
+          const applied = getComputedStyle(document.documentElement)
+            .getPropertyValue('--stylus-applied');
+          style.remove();
+          return Boolean(applied);
+        }
       };
       const code = `(${scriptContent})(${JSON.stringify(EVENT_NAME)})`;
       const src = `data:application/javascript;base64,${btoa(code)}`;
       const script = document.createElement('script');
       const {resolve, promise} = deferred();
       script.src = src;
-      script.onload = () => resolve(true);
       script.onerror = () => resolve(false);
-      document.documentElement.appendChild(script);
+      window.addEventListener(EVENT_NAME, handleInit);
-      return promise;
+      (document.head || document.documentElement).appendChild(script);
+      return promise.then(result => {
+        script.remove();
+        window.removeEventListener(EVENT_NAME, handleInit);
+        return result;
+      });
+
+      function handleInit(e) {
+        if (e.detail.method === 'init') {
+          resolve(e.detail.available);
+        }
+      }
     }
   }
 

edit.html

@@ -31,7 +31,6 @@
     <link  href="vendor/codemirror/addon/search/matchesonscrollbar.css" rel="stylesheet">
     <script src="vendor/codemirror/addon/search/matchesonscrollbar.js"></script>
     <script src="vendor/codemirror/addon/scroll/annotatescrollbar.js"></script>
-    <script src="vendor/codemirror/addon/search/match-highlighter.js"></script>
     <script src="vendor/codemirror/addon/search/searchcursor.js"></script>
 
     <script src="vendor/codemirror/addon/comment/comment.js"></script>
@@ -62,6 +61,8 @@
     <script src="vendor-overwrites/colorpicker/colorpicker.js"></script>
     <script src="vendor-overwrites/colorpicker/colorview.js"></script>
 
+    <script src="vendor-overwrites/codemirror-addon/match-highlighter.js"></script>
+
     <script src="js/polyfill.js"></script>
     <script src="js/promisify.js"></script>
     <script src="js/dom.js"></script>
@@ -78,8 +79,6 @@
     <link  href="edit/global-search.css" rel="stylesheet">
     <script src="edit/global-search.js"></script>
 
-    <script src="edit/match-highlighter-helper.js"></script>
-
     <link  href="edit/codemirror-default.css" rel="stylesheet">
     <script src="edit/codemirror-default.js"></script>
 

edit/codemirror-default.css

@@ -37,14 +37,6 @@
 .cm-uso-variable {
   font-weight: bold;
 }
-.cm-searching.cm-matchhighlight {
-  /* tokens found by manual search should not animate by cm-matchhighlight */
-  animation-name: search-and-match-highlighter !important;
-}
-@keyframes search-and-match-highlighter {
-  from { background-color: rgba(255, 255, 0, .4); } /* search color */
-  to   { background-color: rgba(100, 255, 100, .4); } /* sarch + highlight */
-}
 
 .CodeMirror-activeline .applies-to:before {
   background-color: hsla(214, 100%, 90%, 0.15);

edit/codemirror-default.js

@@ -230,7 +230,7 @@
 
   // editor commands
   for (const name of ['save', 'toggleStyle', 'nextEditor', 'prevEditor']) {
-    CodeMirror.commands[name] = () => editor[name]();
+    CodeMirror.commands[name] = (...args) => editor[name](...args);
   }
 
   // CodeMirror convenience commands

edit/codemirror-factory.js

@@ -32,12 +32,14 @@ const cmFactory = (() => {
     if (value === 'token') {
       cm.setOption('highlightSelectionMatches', {
         showToken: /[#.\-\w]/,
-        annotateScrollbar: true
+        annotateScrollbar: true,
+        onUpdate: updateMatchHighlightCount
       });
     } else if (value === 'selection') {
       cm.setOption('highlightSelectionMatches', {
         showToken: false,
-        annotateScrollbar: true
+        annotateScrollbar: true,
+        onUpdate: updateMatchHighlightCount
       });
     } else {
       cm.setOption('highlightSelectionMatches', null);
@@ -80,6 +82,10 @@ const cmFactory = (() => {
   });
   return {create, destroy, setOption};
 
+  function updateMatchHighlightCount(cm, state) {
+    cm.display.wrapper.dataset.matchHighlightCount = state.matchesonscroll.matches.length;
+  }
+
   function configureMouseFn(cm, repeat) {
     return repeat === 'double' ?
       {unit: selectTokenOnDoubleclick} :

edit/edit.css

@@ -364,14 +364,14 @@ input:invalid {
 .resize-grip-enabled .CodeMirror-scrollbar-filler {
   bottom: 7px; /* make space for resize-grip */
 }
-body[data-match-highlight="token"] .cm-matchhighlight-approved .cm-matchhighlight,
+body:not(.find-open) .cm-matchhighlight,
-body[data-match-highlight="token"] .CodeMirror-selection-highlight-scrollbar {
+body:not(.find-open) .CodeMirror-selection-highlight-scrollbar {
   animation: fadein-match-highlighter 1s cubic-bezier(.97,.01,.42,.98);
   animation-fill-mode: both;
 }
-body[data-match-highlight="selection"] .cm-matchhighlight-approved .cm-matchhighlight,
+body:not(.find-open) [data-match-highlight-count="1"] .cm-matchhighlight,
-body[data-match-highlight="selection"] .CodeMirror-selection-highlight-scrollbar {
+body:not(.find-open) [data-match-highlight-count="1"] .CodeMirror-selection-highlight-scrollbar {
-  background-color: rgba(1, 151, 193, 0.1);
+  animation: none;
 }
 @-webkit-keyframes highlight {
   from {

edit/edit.js

@@ -174,11 +174,29 @@ preinit();
         $('#beautify').onclick = () => beautify(editor.getEditors());
         $('#lint').addEventListener('scroll', hideLintHeaderOnScroll, {passive: true});
         window.addEventListener('resize', () => debounce(rememberWindowSize, 100));
-        editor = usercss ? createSourceEditor(style) : createSectionsEditor(style);
+        editor = (usercss ? createSourceEditor : createSectionsEditor)({
-        if (editor.ready) {
+          style,
-          return editor.ready();
+          onTitleChanged: updateTitle
-        }
         });
+        editor.dirty.onChange(updateDirty);
+        return Promise.resolve(editor.ready && editor.ready())
+          .then(updateDirty);
+      });
+  }
+
+  function updateTitle() {
+    if (editor) {
+      const styleName = editor.getStyle().name;
+      const isDirty = editor.dirty.isDirty();
+      document.title = (isDirty ? '* ' : '') + styleName;
+    }
+  }
+
+  function updateDirty() {
+    const isDirty = editor.dirty.isDirty();
+    document.body.classList.toggle('dirty', isDirty);
+    $('#save-button').disabled = !isDirty;
+    updateTitle();
   }
 })();
 
@@ -306,7 +324,7 @@ function beforeUnload(e) {
     // refocus if unloading was canceled
     setTimeout(() => activeElement.focus());
   }
-  if (editor && editor.isDirty()) {
+  if (editor && editor.dirty.isDirty()) {
     // neither confirm() nor custom messages work in modern browsers but just in case
     e.returnValue = t('styleChangesNotSaved');
   }

edit/global-search.css

@@ -181,17 +181,33 @@
   opacity: 1;
 }
 
-/*********** CodeMirror ****************/
+/*********** CM search highlight restyling, which shouldn't need color variables ****************/
-
+body.find-open .search-target-editor {
-.search-target-editor {
+  outline-color: darkorange !important;
-  outline: 1px solid darkorange;
 }
 
-#stylus .search-target-match {
+body.find-open .cm-searching {
+  background-color: rgba(255, 255, 0, .4);
+}
+
+body.find-open .cm-searching.search-target-match {
   background-color: darkorange;
   color: black;
 }
 
+body.find-open .CodeMirror-search-match {
+  background: gold;
+  border-top: 1px solid orange;
+  border-bottom: 1px solid orange;
+}
+
+/* hide default CM search highlight styling */
+body .cm-searching,
+body .CodeMirror-search-match {
+  background-color: transparent;
+  border-color: transparent;
+}
+
 @media (max-width: 500px) {
   #search-replace-dialog {
     left: 0;

edit/global-search.js

@@ -752,8 +752,14 @@ onDOMready().then(() => {
   function makeTargetVisible(element) {
     const old = $('.' + TARGET_CLASS);
     if (old !== element) {
-      if (old) old.classList.remove(TARGET_CLASS);
+      if (old) {
-      if (element) element.classList.add(TARGET_CLASS);
+        old.classList.remove(TARGET_CLASS);
+        document.body.classList.remove('find-open');
+      }
+      if (element) {
+        element.classList.add(TARGET_CLASS);
+        document.body.classList.add('find-open');
+      }
     }
   }
 

edit/linter-help-dialog.js

@@ -33,18 +33,18 @@ function createLinterHelpDialog(getIssues) {
       };
     } else {
       headerLink = $createLink(baseUrl, 'stylelint');
-      template = ({rule}) =>
+      template = rule =>
         $create('li',
           rule === 'CssSyntaxError' ? rule : $createLink(baseUrl + rule, rule));
     }
     const header = t('linterIssuesHelp', '\x01').split('\x01');
-    const activeRules = getIssues();
+    const activeRules = new Set([...getIssues()].map(issue => issue.rule));
     Promise.resolve(linter === 'csslint' && prepareCsslintRules())
       .then(() =>
         showHelp(t('linterIssues'),
           $create([
             header[0], headerLink, header[1],
-            $create('ul.rules', [...activeRules.values()].map(template)),
+            $create('ul.rules', [...activeRules].map(template)),
           ])
         )
       );

edit/linter-meta.js

@@ -12,7 +12,7 @@ function createMetaCompiler(cm) {
     if (_cm !== cm) {
       return;
     }
-    const match = text.match(/\/\*\s*==userstyle==[\s\S]*?==\/userstyle==\s*\*\//i);
+    const match = text.match(/\/\*\!?\s*==userstyle==[\s\S]*?==\/userstyle==\s*\*\//i);
     if (!match) {
       return [];
     }

edit/match-highlighter-helper.js

@@ -1,223 +0,0 @@
-/* global CodeMirror prefs */
-'use strict';
-
-(() => {
-  /*
-  The original match-highlighter addon always recreates the highlight overlay
-  even if the token under cursor hasn't changed, which is terribly ineffective
-  (the entire view is re-rendered) and makes our animated token highlight effect
-  restart on every cursor movement.
-
-  Invocation sequence of our hooks:
-
-  1. removeOverlayForHighlighter()
-     The original addon removes the overlay unconditionally
-     so this hook saves the state if the token hasn't changed.
-
-  2. addOverlayForHighlighter()
-     Restores the saved state instead of creating a new overlay,
-     installs a hook to count occurrences.
-
-  3. matchesOnScrollbar()
-     Saves the query regexp passed from the original addon in our helper object,
-     and in case removeOverlayForHighlighter() decided to keep the overlay
-     only rewrites the regexp without invoking the original constructor.
-  */
-
-  const HL_APPROVED = 'cm-matchhighlight-approved';
-  const SEARCH_MATCH_TOKEN_NAME = 'searching';
-
-  const originalAddOverlay = CodeMirror.prototype.addOverlay;
-  const originalRemoveOverlay = CodeMirror.prototype.removeOverlay;
-  const originalMatchesOnScrollbar = CodeMirror.prototype.showMatchesOnScrollbar;
-  const originalSetOption = CodeMirror.prototype.setOption;
-  let originalGetOption;
-
-  CodeMirror.prototype.addOverlay = addOverlay;
-  CodeMirror.prototype.removeOverlay = removeOverlay;
-  CodeMirror.prototype.showMatchesOnScrollbar = matchesOnScrollbar;
-  CodeMirror.prototype.setOption = setOption;
-
-  let enabled = Boolean(prefs.get('editor.matchHighlight'));
-
-  return;
-
-  function setOption(option, value) {
-    enabled = option === 'highlightSelectionMatches' ? value : enabled;
-    return originalSetOption.apply(this, arguments);
-  }
-
-  function shouldIntercept(overlay) {
-    const hlState = this.state.matchHighlighter || {};
-    return overlay === hlState.overlay && (hlState.options || {}).showToken;
-  }
-
-  function addOverlay() {
-    return enabled && shouldIntercept.apply(this, arguments) &&
-      addOverlayForHighlighter.apply(this, arguments) ||
-      originalAddOverlay.apply(this, arguments);
-  }
-
-  function removeOverlay() {
-    return enabled && shouldIntercept.apply(this, arguments) &&
-      removeOverlayForHighlighter.apply(this, arguments) ||
-      originalRemoveOverlay.apply(this, arguments);
-  }
-
-  function addOverlayForHighlighter(overlay) {
-    const state = this.state.matchHighlighter || {};
-    const helper = state.highlightHelper = state.highlightHelper || {};
-
-    helper.rewriteScrollbarQuery = true;
-
-    // since we're here the original addon decided there's something to highlight,
-    // so we cancel removeOverlayIfExpired() scheduled in our removeOverlay hook
-    clearTimeout(helper.hookTimer);
-
-    // the original addon just removed its overlays, which was intercepted by removeOverlayForHighlighter,
-    // which decided to restore it and saved the previous overlays in our helper object,
-    // so here we are now, restoring them
-    if (helper.skipMatchesOnScrollbar) {
-      state.matchesonscroll = helper.matchesonscroll;
-      state.overlay = helper.overlay;
-      return true;
-    }
-
-    // hook the newly created overlay's token() to count the occurrences
-    if (overlay.token !== tokenHook) {
-      overlay.highlightHelper = {
-        token: overlay.token,
-        occurrences: 0,
-      };
-      overlay.token = tokenHook;
-    }
-
-    // speed up rendering of scrollbar marks 4 times: we don't need ultimate precision there
-    // so for the duration of this event loop cycle we spoof the "lineWrapping" option
-    // and restore it in the next event loop cycle
-    if (this.options.lineWrapping && CodeMirror.prototype.getOption !== spoofLineWrappingOption) {
-      originalGetOption = CodeMirror.prototype.getOption;
-      CodeMirror.prototype.getOption = spoofLineWrappingOption;
-      setTimeout(() => (CodeMirror.prototype.getOption = originalGetOption));
-    }
-  }
-
-  function spoofLineWrappingOption(option) {
-    return option !== 'lineWrapping' && originalGetOption.apply(this, arguments);
-  }
-
-  function tokenHook(stream) {
-    // we don't highlight a single match in case 'editor.matchHighlight' option is 'token'
-    // so this hook counts the occurrences and toggles HL_APPROVED class on CM's wrapper element
-    const style = this.highlightHelper.token.call(this, stream);
-    if (style !== 'matchhighlight') {
-      return style;
-    }
-
-    const tokens = stream.lineOracle.baseTokens;
-    const tokenIndex = tokens.indexOf(stream.pos, 1);
-    if (tokenIndex > 0) {
-      const tokenStart = tokenIndex > 2 ? tokens[tokenIndex - 2] : 0;
-      const token = tokenStart === stream.start && tokens[tokenIndex + 1];
-      const index = token && token.indexOf(SEARCH_MATCH_TOKEN_NAME);
-      if (token && index >= 0 &&
-          (token[index - 1] || ' ') === ' ' &&
-          (token[index + SEARCH_MATCH_TOKEN_NAME.length] || ' ') === ' ') {
-        return;
-      }
-    }
-
-    const num = ++this.highlightHelper.occurrences;
-    if (num === 1) {
-      stream.lineOracle.doc.cm.display.wrapper.classList.remove(HL_APPROVED);
-    } else if (num === 2) {
-      stream.lineOracle.doc.cm.display.wrapper.classList.add(HL_APPROVED);
-    }
-    return style;
-  }
-
-  function removeOverlayForHighlighter() {
-    const state = this.state.matchHighlighter || {};
-    const helper = state.highlightHelper;
-    const {query, originalToken} = helper || state.matchesonscroll || {};
-    // no current query means nothing to preserve => remove the overlay
-    if (!query || !originalToken) {
-      return;
-    }
-    const sel = this.getSelection();
-    // current query differs from the selected text => remove the overlay
-    if (sel && sel.toLowerCase() !== originalToken.toLowerCase()) {
-      helper.query = helper.originalToken = sel;
-      return;
-    }
-    // if token under cursor has changed => remove the overlay
-    if (!sel) {
-      const {line, ch} = this.getCursor();
-      const queryLen = originalToken.length;
-      const start = Math.max(0, ch - queryLen + 1);
-      const end = ch + queryLen;
-      const string = this.getLine(line);
-      const area = string.slice(start, end);
-      const i = area.indexOf(query);
-      const startInArea = i < 0 ? NaN : i;
-      if (isNaN(startInArea) || start + startInArea > ch ||
-          state.options.showToken.test(string[start + startInArea - 1] || '') ||
-          state.options.showToken.test(string[start + startInArea + queryLen] || '')) {
-        // pass the displayed instance back to the original code to remove it
-        state.matchesonscroll = state.matchesonscroll || helper && helper.matchesonscroll;
-        return;
-      }
-    }
-    // since the same token is under cursor we prevent the highlighter from rerunning
-    // by saving current overlays in a helper object so that it's restored in addOverlayForHighlighter()
-    state.highlightHelper = {
-      overlay: state.overlay,
-      matchesonscroll: state.matchesonscroll || (helper || {}).matchesonscroll,
-      // instruct our matchesOnScrollbar hook to preserve current scrollbar annotations
-      skipMatchesOnScrollbar: true,
-      // in case the original addon won't highlight anything we need to actually remove the overlays
-      // by setting a timer that runs in the next event loop cycle and can be canceled in this cycle
-      hookTimer: setTimeout(removeOverlayIfExpired, 0, this, state),
-      originalToken,
-      query,
-    };
-    // fool the original addon so it won't invoke state.matchesonscroll.clear()
-    state.matchesonscroll = null;
-    return true;
-  }
-
-  function removeOverlayIfExpired(self, state) {
-    const {overlay, matchesonscroll} = state.highlightHelper || {};
-    if (overlay) {
-      originalRemoveOverlay.call(self, overlay);
-    }
-    if (matchesonscroll) {
-      matchesonscroll.clear();
-    }
-    state.highlightHelper = null;
-  }
-
-  function matchesOnScrollbar(query, ...args) {
-    if (!enabled) {
-      return originalMatchesOnScrollbar.call(this, query, ...args);
-    }
-    const state = this.state.matchHighlighter;
-    const helper = state.highlightHelper = state.highlightHelper || {};
-    // rewrite the \btoken\b regexp so it matches .token and #token and --token
-    if (helper.rewriteScrollbarQuery && /^\\b.*?\\b$/.test(query.source)) {
-      helper.rewriteScrollbarQuery = undefined;
-      helper.originalToken = query.source.slice(2, -2);
-      const notToken = '(?!' + state.options.showToken.source + ').';
-      query = new RegExp(`(^|${notToken})` + helper.originalToken + `(${notToken}|$)`);
-    }
-    // save the query for future use in removeOverlayForHighlighter
-    helper.query = query;
-    // if removeOverlayForHighlighter() decided to keep the overlay
-    if (helper.skipMatchesOnScrollbar) {
-      helper.skipMatchesOnScrollbar = undefined;
-      return;
-    } else {
-      return originalMatchesOnScrollbar.call(this, query, ...args);
-    }
-  }
-})();

edit/sections-editor.js

@@ -6,10 +6,9 @@
 /* exported createSectionsEditor */
 'use strict';
 
-function createSectionsEditor(style) {
+function createSectionsEditor({style, onTitleChanged}) {
   let INC_ID = 0; // an increment id that is used by various object to track the order
   const dirty = dirtyReporter();
-  dirty.onChange(updateTitle);
 
   const container = $('#sections');
   const sections = [];
@@ -18,7 +17,7 @@ function createSectionsEditor(style) {
   nameEl.addEventListener('input', () => {
     dirty.modify('name', style.name, nameEl.value);
     style.name = nameEl.value;
-    updateTitle();
+    onTitleChanged();
   });
 
   const enabledEl = $('#enabled');
@@ -64,7 +63,7 @@ function createSectionsEditor(style) {
   return {
     ready: () => initializing,
     replaceStyle,
-    isDirty: dirty.isDirty,
+    dirty,
     getStyle: () => style,
     getEditors,
     scrollToEditor,
@@ -201,35 +200,27 @@ function createSectionsEditor(style) {
   }
 
   function nextEditor(cm, cycle = true) {
-    if (!cycle) {
+    if (!cycle && findLast(sections, s => !s.isRemoved()).cm === cm) {
-      for (const section of sections) {
-        if (section.isRemoved()) {
-          continue;
-        }
-        if (cm === section.cm) {
       return;
     }
-        break;
-      }
-    }
     return nextPrevEditor(cm, 1);
   }
 
   function prevEditor(cm, cycle = true) {
-    if (!cycle) {
+    if (!cycle && sections.find(s => !s.isRemoved()).cm === cm) {
-      for (let i = sections.length - 1; i >= 0; i--) {
-        if (sections[i].isRemoved()) {
-          continue;
-        }
-        if (cm === sections[i].cm) {
       return;
     }
-        break;
-      }
-    }
     return nextPrevEditor(cm, -1);
   }
 
+  function findLast(arr, match) {
+    for (let i = arr.length - 1; i >= 0; i--) {
+      if (match(arr[i])) {
+        return arr[i];
+      }
+    }
+  }
+
   function nextPrevEditor(cm, direction) {
     const editors = getEditors();
     cm = editors[(editors.indexOf(cm) + direction + editors.length) % editors.length];
@@ -421,7 +412,7 @@ function createSectionsEditor(style) {
     nameEl.value = style.name || '';
     enabledEl.checked = style.enabled !== false;
     $('#url').href = style.url || '';
-    updateTitle();
+    onTitleChanged();
   }
 
   function updateLivePreview() {
@@ -432,14 +423,6 @@ function createSectionsEditor(style) {
     livePreview.update(getModel());
   }
 
-  function updateTitle() {
-    const name = style.name;
-    const clean = !dirty.isDirty();
-    const title = !style.id ? t('addStyleTitle') : name;
-    document.title = (clean ? '' : '* ') + title;
-    $('#save-button').disabled = clean;
-  }
-
   function initSection({
     sections: originalSections,
     total = originalSections.length,

edit/source-editor.js

@@ -6,7 +6,7 @@
 /* exported createSourceEditor */
 'use strict';
 
-function createSourceEditor(style) {
+function createSourceEditor({style, onTitleChanged}) {
   $('#name').disabled = true;
   $('#save-button').disabled = true;
   $('#mozilla-format-container').remove();
@@ -16,12 +16,6 @@ function createSourceEditor(style) {
   $('#sections').appendChild($create('.single-editor'));
 
   const dirty = dirtyReporter();
-  dirty.onChange(() => {
-    const isDirty = dirty.isDirty();
-    document.body.classList.toggle('dirty', isDirty);
-    $('#save-button').disabled = !isDirty;
-    updateTitle();
-  });
 
   // normalize style
   if (!style.id) setupNewStyle(style);
@@ -82,6 +76,7 @@ function createSourceEditor(style) {
 
   function preprocess(style) {
     return API.buildUsercss({
+      styleId: style.id,
       sourceCode: style.sourceCode,
       assignVars: true
     })
@@ -170,18 +165,10 @@ function createSourceEditor(style) {
     $('#name').value = style.name;
     $('#enabled').checked = style.enabled;
     $('#url').href = style.url;
-    updateTitle();
+    onTitleChanged();
     return cm.setPreprocessor((style.usercssData || {}).preprocessor);
   }
 
-  function updateTitle() {
-    const newTitle = (dirty.isDirty() ? '* ' : '') +
-      (style.id ? style.name : t('addStyleTitle'));
-    if (document.title !== newTitle) {
-      document.title = newTitle;
-    }
-  }
-
   function replaceStyle(newStyle, codeIsUpdated) {
     const sameCode = newStyle.sourceCode === cm.getValue();
     if (sameCode) {
@@ -384,7 +371,7 @@ function createSourceEditor(style) {
 
   return {
     replaceStyle,
-    isDirty: dirty.isDirty,
+    dirty,
     getStyle: () => style,
     getEditors: () => [cm],
     scrollToEditor: () => {},

js/usercss.js

@@ -10,7 +10,7 @@ const usercss = (() => {
     // updateURL: 'updateUrl',
     name: undefined,
   };
-  const RX_META = /\/\*\s*==userstyle==[\s\S]*?==\/userstyle==\s*\*\//i;
+  const RX_META = /\/\*\!?\s*==userstyle==[\s\S]*?==\/userstyle==\s*\*\//i;
   const ERR_ARGS_IS_LIST = new Set(['missingMandatory', 'missingChar']);
   return {buildMeta, buildCode, assignVars};
 

manage/updater-ui.js

@@ -148,6 +148,9 @@ function reportUpdateState({updated, style, error, STATES}) {
       error = t('updateCheckSkippedLocallyEdited') + '\n' + t('updateCheckManualUpdateHint');
     } else if (error === STATES.MAYBE_EDITED) {
       error = t('updateCheckSkippedMaybeLocallyEdited') + '\n' + t('updateCheckManualUpdateHint');
+    } else if (typeof error === 'object' && error.message) {
+      // UserCSS meta errors provide an object
+      error = error.message;
     }
     const message = same ? t('updateCheckSucceededNoUpdate') : error;
     newClasses.set('no-update', true);

popup.html

@@ -80,7 +80,6 @@
   <template data-id="unreachableInfo">
     <div class="blocked-info">
       <label i18n-text="unreachableContentScript"></label>
-      <p i18n-text="unreachableFileHint"></p>
     </div>
   </template>
 

popup/popup.css

@@ -554,7 +554,8 @@ body.blocked .actions > .main-controls {
 }
 
 .blocked-info {
-  hyphens: auto;
+  hyphens: none;
+  word-wrap: break-word;
 }
 
 .blocked-info label {

popup/popup.js

@@ -130,6 +130,10 @@ function initPopup() {
           return;
         }
         const info = template.unreachableInfo;
+        if (!FIREFOX) {
+          // Chrome "Allow access to file URLs" in chrome://extensions message
+          info.appendChild($create('p', t('unreachableFileHint')));
+        }
         if (FIREFOX && tabURL.startsWith(URLS.browserWebStore)) {
           $('label', info).textContent = t('unreachableAMO');
           const note = (FIREFOX < 59 ? t('unreachableAMOHintOldFF') : t('unreachableAMOHint')) +
@@ -137,9 +141,11 @@ function initPopup() {
           const renderToken = s => s[0] === '<' ? $create('b', tWordBreak(s.slice(1, -1))) : s;
           const renderLine = line => $create('p', line.split(/(<.*?>)/).map(renderToken));
           const noteNode = $create('fragment', note.split('\n').map(renderLine));
-          const target = $('p', info);
+          info.appendChild(noteNode);
-          target.parentNode.insertBefore(noteNode, target);
+        }
-          target.remove();
+        // Inaccessible locally hosted file type, e.g. JSON, PDF, etc.
+        if (tabURL.length - tabURL.lastIndexOf(".") <= 5) {
+          info.appendChild($create('p', t('InaccessibleFileHint')));
         }
         document.body.classList.add('unreachable');
         document.body.insertBefore(info, document.body.firstChild);

popup/search-results.js

@@ -689,6 +689,7 @@ window.addEventListener('showStyles:done', function _() {
       '/api/v1/styles/subcategory' +
       '?search=' + encodeURIComponent(category) +
       '&page=' + searchCurrentPage +
+      '&per_page=10' +
       '&country=NA';
 
     const cacheKey = category + '/' + searchCurrentPage;

sync/import-export-dropbox.js

@@ -46,8 +46,11 @@ function uploadFileDropbox(client, stylesText) {
 }
 
 $('#sync-dropbox-export').onclick = () => {
+  const mode = localStorage.installType;
   const title = t('syncDropboxStyles');
-  messageProgressBar({title: title, text: t('connectingDropbox')});
+  const text = mode === 'normal' ? t('connectingDropbox') : t('connectingDropboxNotAllowed');
+  messageProgressBar({title, text});
+  if (mode !== 'normal') return;
 
   hasDropboxAccessToken()
   .then(token => token || requestDropboxAccessToken())
@@ -116,8 +119,11 @@ $('#sync-dropbox-export').onclick = () => {
 };
 
 $('#sync-dropbox-import').onclick = () => {
+  const mode = localStorage.installType;
   const title = t('retrieveDropboxSync');
-  messageProgressBar({title: title, text: t('connectingDropbox')});
+  const text = mode === 'normal' ? t('connectingDropbox') : t('connectingDropboxNotAllowed');
+  messageProgressBar({title, text});
+  if (mode !== 'normal') return;
 
   hasDropboxAccessToken()
   .then(token => token || requestDropboxAccessToken())

vendor-overwrites/beautify/beautify-css-mod.js

@@ -402,10 +402,6 @@
             if (!ch) {
                 break;
             } else if (ch === '/' && peek() === '*') { /* css comment */
-                if (isAfterNewline) {
-                    print.newLine();
-                }
-
                 print.text(eatComment());
                 if (peek() !== ';') print.newLine();
             } else if (ch === '/' && peek() === '/') { // single line comment

vendor-overwrites/codemirror-addon/match-highlighter.js

@@ -36,7 +36,8 @@
     wordsOnly: false,
     annotateScrollbar: false,
     showToken: false,
-    trim: true
+    trim: true,
+    onUpdate: () => {}
   }
 
   function State(options) {
@@ -46,6 +47,7 @@
     this.overlay = this.timeout = null;
     this.matchesonscroll = null;
     this.active = false;
+    this.query = null;
   }
 
   CodeMirror.defineOption("highlightSelectionMatches", false, function(cm, val, old) {
@@ -88,12 +90,24 @@
 
   function addOverlay(cm, query, hasBoundary, style) {
     var state = cm.state.matchHighlighter;
+    if (state.query === query) {
+      return;
+    }
+    removeOverlay(cm);
+    state.query = query;
     cm.addOverlay(state.overlay = makeOverlay(query, hasBoundary, style));
     if (state.options.annotateScrollbar && cm.showMatchesOnScrollbar) {
-      var searchFor = hasBoundary ? new RegExp("\\b" + query.replace(/[\\\[.+*?(){|^$]/g, "\\$&") + "\\b") : query;
+      var searchFor = hasBoundary ?
+        new RegExp(
+          (/[a-z]/i.test(query[0]) ? "\\b" : "") +
+            query.replace(/[\\\[.+*?(){|^$]/g, "\\$&") +
+            (/[a-z]/i.test(query[query.length - 1]) ? "\\b" : ""),
+          "m"
+        ) : query;
       state.matchesonscroll = cm.showMatchesOnScrollbar(searchFor, false,
         {className: "CodeMirror-selection-highlight-scrollbar"});
     }
+    state.options.onUpdate(cm, state);
   }
 
   function removeOverlay(cm) {
@@ -106,19 +120,22 @@
         state.matchesonscroll = null;
       }
     }
+    state.query = null;
   }
 
   function highlightMatches(cm) {
     cm.operation(function() {
       var state = cm.state.matchHighlighter;
-      removeOverlay(cm);
       if (!cm.somethingSelected() && state.options.showToken) {
         var re = state.options.showToken === true ? /[\w$]/ : state.options.showToken;
         var cur = cm.getCursor(), line = cm.getLine(cur.line), start = cur.ch, end = start;
         while (start && re.test(line.charAt(start - 1))) --start;
         while (end < line.length && re.test(line.charAt(end))) ++end;
-        if (start < end)
+        if (start < end) {
           addOverlay(cm, line.slice(start, end), re, state.options.style);
+        } else {
+          removeOverlay(cm);
+        }
         return;
       }
       var from = cm.getCursor("from"), to = cm.getCursor("to");
@@ -126,8 +143,11 @@
       if (state.options.wordsOnly && !isWord(cm, from, to)) return;
       var selection = cm.getRange(from, to)
       if (state.options.trim) selection = selection.replace(/^\s+|\s+$/g, "")
-      if (selection.length >= state.options.minChars)
+      if (selection.length >= state.options.minChars) {
         addOverlay(cm, selection, false, state.options.style);
+      } else {
+        removeOverlay(cm);
+      }
     });
   }
 

vendor-overwrites/csslint/parserlib.js

@@ -4777,7 +4777,7 @@ self.parserlib = (() => {
       return result;
     }
 
-    _expr(inFunction) {
+    _expr(inFunction, endToken = Tokens.RPAREN) {
       const stream = this._tokenStream;
       const values = [];
 
@@ -4786,7 +4786,7 @@ self.parserlib = (() => {
         if (!value && !values.length) return null;
 
         // get everything inside the parens and let validateProperty handle that
-        if (!value && inFunction && stream.peek() !== Tokens.RPAREN) {
+        if (!value && inFunction && stream.peek() !== endToken) {
           stream.get();
           value = new PropertyValuePart(stream._token);
         } else if (!value) {
@@ -4914,8 +4914,9 @@ self.parserlib = (() => {
         inFunction && Tokens.LBRACE,
       ])) {
         const token = stream._token;
-        token.expr = this._expr(inFunction);
+        const endToken = Tokens.type(token.endChar);
-        stream.mustMatch(Tokens.type(token.endChar));
+        token.expr = this._expr(inFunction, endToken);
+        stream.mustMatch(endToken);
         return finalize(token, token.value + (token.expr || '') + token.endChar);
       }