#731: UI counterpart

src/_locales/en/messages.json

@@ -339,6 +339,22 @@
     "message":"Apply changes",
     "description":"English: Apply changes"
   },
+  "rulesPermanentHeader": {
+    "message": "Permanent rules",
+    "description": "header"
+  },
+  "rulesTemporaryHeader": {
+    "message": "Temporary rules",
+    "description": "header"
+  },
+  "rulesRevert": {
+    "message": "Revert",
+    "description": "This will remove all temporary rules"
+  },
+  "rulesCommit": {
+    "message": "Commit",
+    "description": "This will persist temporary rules"
+  },
   "rulesEdit": {
     "message": "Edit",
     "description": "Will enable manual-edit mode (textarea)"
@@ -356,7 +372,7 @@
     "description": ""
   },
   "rulesExport": {
-    "message": "Export to file...",
+    "message": "Export to file",
     "description": ""
   },
   "rulesDefaultFileName": {

src/css/dyna-rules.css

@@ -4,15 +4,155 @@ div > p:first-child {
 div > p:last-child {
     margin-bottom: 0;
     }
-#rulesEditor {
-    font-size: small;
-    width: 48em;
-    height: 40em;
-    white-space: pre;
-    text-align: left;
-    }
 code {
     background-color: #eee;
     font: 11px monospace;
     padding: 2px 4px;
 }
+#diff {
+    border: 0;
+    border-top: 1px solid #eee;
+    margin: 0;
+    padding: 0.5em 0 0 0;
+    white-space: nowrap;
+}
+#diff > .pane {
+    border: 0;
+    box-sizing: box-border;
+    display: inline-block;
+    font: 12px/1.4 monospace;
+    margin: 0;
+    padding: 0;
+    position: relative;
+    white-space: normal;
+    width: calc(50% - 2px);
+    }
+#diff > .pane > div {
+    padding: 0 0 1em 0;
+    text-align: center;
+    }
+#diff > .pane > div > span {
+    float: left;
+    }
+body[dir="ltr"] #revertButton:after {
+    content: '\2009\f061';
+    font-family: FontAwesome;
+    font-style: normal;
+    font-weight: normal;
+    line-height: 1;
+    vertical-align: baseline;
+    display: inline-block;
+    }
+body[dir="rtl"] #revertButton:after {
+    content: '\2009\f060';
+    font-family: FontAwesome;
+    font-style: normal;
+    font-weight: normal;
+    line-height: 1;
+    vertical-align: baseline;
+    display: inline-block;
+    }
+body[dir="ltr"] #commitButton:before {
+    content: '\f060\2009';
+    font-family: FontAwesome;
+    font-style: normal;
+    font-weight: normal;
+    line-height: 1;
+    vertical-align: baseline;
+    display: inline-block;
+    }
+body[dir="rtl"] #commitButton:before {
+    content: '\f061\2009';
+    font-family: FontAwesome;
+    font-style: normal;
+    font-weight: normal;
+    line-height: 1;
+    vertical-align: baseline;
+    display: inline-block;
+    }
+#revertButton,
+#commitButton,
+#diff.edit #editEnterButton {
+    opacity: 0.25;
+    pointer-events: none;
+    }
+#editStopButton,
+#editCancelButton {
+    display: none;
+    }
+#diff.dirty:not(.edit) #revertButton,
+#diff.dirty:not(.edit) #commitButton {
+    opacity: 1;
+    pointer-events: auto;
+    }
+#diff.edit #editStopButton,
+#diff.edit #editCancelButton {
+    display: initial;
+    }
+#diff.edit #importButton,
+#diff.edit #exportButton {
+    display: none;
+    }
+#diff ul {
+    border: 0;
+    border-top: 1px solid #eee;
+    list-style-type: none;
+    margin: 0;
+    overflow: hidden;
+    padding: 1em 0 0 0;
+    }
+#diff.edit .right ul {
+    visibility: hidden;
+    }
+#diff .left {
+    padding: 0 0 0 0;
+    }
+#diff .right > ul {
+    color: #888;
+    }
+#diff li {
+    background-color: white;
+    direction: ltr;
+    padding: 2px 0;
+    text-align: left;
+    white-space: nowrap;
+    }
+#diff li:nth-of-type(2n+0) {
+    background-color: #eee;
+    }
+#diff .right li {
+    }
+#diff .right li:hover {
+    }
+#diff .right li.notLeft {
+    color: #000;
+    }
+#diff .right li.notRight {
+    color: #000;
+    }
+#diff .right li.toRemove {
+    color: #000;
+    text-decoration: line-through;
+    }
+#diff textarea {
+    background-color: #f8f8ff;
+    border: 0;
+    border-top: 1px solid #eee;
+    direction: ltr;
+    font: 12px monospace;
+    line-height: calc(140% + 4px);
+    height: 100%;
+    left: 0;
+    margin: 0;
+    overflow: hidden;
+    overflow-y: auto;
+    padding: 1em 0 0 0;
+    position: absolute;
+    resize: none;
+    visibility: hidden;
+    white-space: nowrap;
+    width: 100%;
+    }
+#diff.edit textarea {
+    visibility: visible;
+    }

src/dyna-rules.html

@@ -10,16 +10,33 @@
 
 <body>
 
-<div>
 <p data-i18n="rulesHint"></p>
 <p data-i18n="rulesFormatHint"></p>
-    <p><button id="rulesApply" disabled="true" data-i18n="1pApplyChanges"></button></p>
+<div id="diff">
-    <textarea id="rulesEditor" spellcheck="false" dir="auto"></textarea>
+    <div class="pane left">
-    <p><button id="importButton" type="button" data-i18n="1pImport"></button> &emsp;
+        <div>
-       <button id="exportButton" type="button" data-i18n="1pExport"></button>
+            <h2 data-i18n="rulesPermanentHeader"></h2>
-       <input class="hidden" id="importFilePicker" type="file" accept="text/plain" style="display: none;"></p>
+            <button type="button" id="exportButton" data-i18n="rulesExport"></button>
-    <span class="hidden" data-i18n="rulesDefaultFileName" style="display: none;"></span>
+            <button type="button" id="revertButton" data-i18n="rulesRevert"></button>
             </div>
+        <ul></ul>
+        </div>
+    <div class="pane right">
+        <div>
+            <h2 data-i18n="rulesTemporaryHeader"></h2>
+            <button type="button" id="commitButton" data-i18n="rulesCommit"></button>
+            <button type="button" id="editEnterButton" data-i18n="rulesEdit"></button>
+            <button type="button" id="editStopButton" data-i18n="rulesEditSave"></button>
+            <button type="button" id="editCancelButton" data-i18n="rulesEditDiscard"></button>
+            <button type="button" id="importButton" data-i18n="rulesImport"></button>
+            </div>
+        <textarea spellcheck="false"></textarea>
+        <ul></ul>
+        </div>
+    </div>
+
+<input class="hidden" id="importFilePicker" type="file" accept="text/plain" style="display: none;">
+<span class="hidden" data-i18n="rulesDefaultFileName" style="display: none;"></span>
 
 <script src="js/vapi-common.js"></script>
 <script src="js/vapi-client.js"></script>

src/js/dyna-rules.js

@@ -38,7 +38,7 @@ var messager = vAPI.messaging.channel('dyna-rules.js');
 var normalizeRawRules = function(s) {
     return s.replace(/[ \t]+/g, ' ')
             .split(/\s*\n+\s*/)
-            .sort(directiveSort)
+            .sort()
             .join('\n')
             .trim();
 };
@@ -58,36 +58,53 @@ var cachedRawRules = '';
 
 /******************************************************************************/
 
-// Switches before, rules after
+var renderRules = function(details) {
+    var rules, rule, i;
+    var permanentList = [];
+    var sessionList = [];
+    var allRules = {};
+    var permanentRules = {};
+    var sessionRules = {};
+    var onLeft, onRight;
 
-var directiveSort = function(a, b) {
+    rules = details.sessionRules.split(/\n+/);
-    var aIsSwitch = a.indexOf(':') !== -1;
+    i = rules.length;
-    var bIsSwitch = b.indexOf(':') !== -1;
+    while ( i-- ) {
-    if ( aIsSwitch === bIsSwitch ) {
+        rule = rules[i].trim();
-        return a.localeCompare(b);
+        sessionRules[rule] = allRules[rule] = true;
     }
-    return aIsSwitch ? -1 : 1;
+    details.sessionRules = rules.sort().join('\n');
-};
 
-/******************************************************************************/
+    rules = details.permanentRules.split(/\n+/);
+    i = rules.length;
+    while ( i-- ) {
+        rule = rules[i].trim();
+        permanentRules[rule] = allRules[rule] = true;
+    }
+    details.permanentRules = rules.sort().join('\n');
 
-var processRules = function(rawRules) {
+    rules = Object.keys(allRules).sort();
-    cachedRawRules = normalizeRawRules(rawRules);
+    for ( i = 0; i < rules.length; i++ ) {
-    uDom('#rulesEditor').val(cachedRawRules);
+        rule = rules[i];
-};
+        onLeft = permanentRules.hasOwnProperty(rule);
+        onRight = sessionRules.hasOwnProperty(rule);
+        if ( onLeft && onRight ) {
+            permanentList.push('<li>', rule);
+            sessionList.push('<li>', rule);
+        } else if ( onLeft ) {
+            permanentList.push('<li>', rule);
+            sessionList.push('<li class="notRight toRemove">', rule);
+        } else {
+            permanentList.push('<li>&nbsp;');
+            sessionList.push('<li class="notLeft">', rule);
+        }
+    }
 
-/******************************************************************************/
+    uDom('#diff > .left > ul > li').remove();
-
+    uDom('#diff > .left > ul').html(permanentList.join(''));
-var rulesApplyHandler = function() {
+    uDom('#diff > .right > ul > li').remove();
-    var onWritten = function(response) {
+    uDom('#diff > .right > ul').html(sessionList.join(''));
-        processRules(response);
+    uDom('#diff').toggleClass('dirty', details.sessionRules !== details.permanentRules);
-        rulesChanged();
-    };
-    var request = {
-        what: 'setDynamicRules',
-        rawRules: uDom('#rulesEditor').val()
-    };
-    messager.send(request, onWritten);
 };
 
 /******************************************************************************/
@@ -106,9 +123,11 @@ function handleImportFilePicker() {
                                .replace(/\|/g, ' ')
                                .replace(/\n/g, ' * noop\n');
         }
-        var textarea = uDom('#rulesEditor');
+        var request = {
-        textarea.val([textarea.val(), result].join('\n').trim());
+            'what': 'setSessionFirewallRules',
-        rulesChanged();
+            'rules': rulesFromHTML('#diff .right li') + '\n' + result
+        };
+        messager.send(request, renderRules);
     };
     var file = this.files[0];
     if ( file === undefined || file.name === '' ) {
@@ -141,7 +160,7 @@ function exportUserRulesToFile() {
         .replace('{{datetime}}', now.toLocaleString())
         .replace(/ +/g, '_');
     vAPI.download({
-        'url': 'data:text/plain,' + encodeURIComponent(uDom('#rulesEditor').val()),
+        'url': 'data:text/plain,' + encodeURIComponent(rulesFromHTML('#diff .left li')),
         'filename': filename,
         'saveAs': true
     });
@@ -149,15 +168,83 @@ function exportUserRulesToFile() {
 
 /******************************************************************************/
 
+var rulesFromHTML = function(selector) {
+    var rules = [];
+    var lis = uDom(selector);
+    var li;
+    for ( var i = 0; i < lis.length; i++ ) {
+        li = lis.at(i);
+        if ( li.hasClassName('toRemove') ) {
+            rules.push('');
+        } else {
+            rules.push(li.text());
+        }
+    }
+    return rules.join('\n');
+};
+
+/******************************************************************************/
+
+var revertHandler = function() {
+    var request = {
+        'what': 'setSessionFirewallRules',
+        'rules': rulesFromHTML('#diff .left li')
+    };
+    messager.send(request, renderRules);
+};
+
+/******************************************************************************/
+
+var commitHandler = function() {
+    var request = {
+        'what': 'setPermanentFirewallRules',
+        'rules': rulesFromHTML('#diff .right li')
+    };
+    messager.send(request, renderRules);
+};
+
+/******************************************************************************/
+
+var editStartHandler = function(ev) {
+    uDom('#diff .right textarea').val(rulesFromHTML('#diff .right li'));
+    var parent = uDom(this).ancestors('#diff');
+    parent.toggleClass('edit', true);
+};
+
+/******************************************************************************/
+
+var editStopHandler = function(ev) {
+    var parent = uDom(this).ancestors('#diff');
+    parent.toggleClass('edit', false);
+    var request = {
+        'what': 'setSessionFirewallRules',
+        'rules': uDom('#diff .right textarea').val()
+    };
+    messager.send(request, renderRules);
+};
+
+/******************************************************************************/
+
+var editCancelHandler = function(ev) {
+    var parent = uDom(this).ancestors('#diff');
+    parent.toggleClass('edit', false);
+};
+
+/******************************************************************************/
+
 uDom.onLoad(function() {
     // Handle user interaction
     uDom('#importButton').on('click', startImportFilePicker);
     uDom('#importFilePicker').on('change', handleImportFilePicker);
     uDom('#exportButton').on('click', exportUserRulesToFile);
-    uDom('#rulesEditor').on('input', rulesChanged);
-    uDom('#rulesApply').on('click', rulesApplyHandler);
 
-    messager.send({ what: 'getDynamicRules' }, processRules);
+    uDom('#revertButton').on('click', revertHandler)
+    uDom('#commitButton').on('click', commitHandler)
+    uDom('#editEnterButton').on('click', editStartHandler)
+    uDom('#editStopButton').on('click', editStopHandler)
+    uDom('#editCancelButton').on('click', editCancelHandler)
+
+    messager.send({ what: 'getFirewallRules' }, renderRules);
 });
 
 /******************************************************************************/

src/js/messaging.js

@@ -727,6 +727,15 @@ var µb = µBlock;
 
 /******************************************************************************/
 
+var getFirewallRules = function() {
+    return {
+        permanentRules: µb.permanentFirewall.toString(),
+        sessionRules: µb.sessionFirewall.toString()
+    };
+};
+
+/******************************************************************************/
+
 var onMessage = function(request, sender, callback) {
     // Async
     switch ( request.what ) {
@@ -738,14 +747,19 @@ var onMessage = function(request, sender, callback) {
     var response;
 
     switch ( request.what ) {
-        case 'getDynamicRules':
+        case 'getFirewallRules':
-            response = µb.permanentFirewall.toString();
+            response = getFirewallRules();
             break;
 
-        case 'setDynamicRules':
+        case 'setSessionFirewallRules':
-            µb.permanentFirewall.fromString(request.rawRules);
+            µb.sessionFirewall.fromString(request.rules);
+            response = getFirewallRules();
+            break;
+
+        case 'setPermanentFirewallRules':
+            µb.permanentFirewall.fromString(request.rules);
             µb.savePermanentFirewallRules();
-            response = µb.permanentFirewall.toString();
+            response = getFirewallRules();
             break;
 
         default: