diff --git a/src/background.html b/src/background.html
index 22de5f3f0..41f12374d 100644
--- a/src/background.html
+++ b/src/background.html
@@ -22,6 +22,7 @@
+
diff --git a/src/css/devtool-log.css b/src/css/devtool-log.css
index 4f1f28f1b..5ddf9c9d8 100644
--- a/src/css/devtool-log.css
+++ b/src/css/devtool-log.css
@@ -68,18 +68,32 @@ input:focus {
direction: ltr;
width: 100%;
}
+#content table tr.docBoundary {
+ background-color: #666;
+ color: white;
+ text-align: center;
+ }
+#content table tr.docBoundary > td:first-child {
+ padding: 1em 0;
+ white-space: normal;
+ word-break: break-all;
+ word-wrap: break-word;
+ }
#content table tr.blocked {
- background-color: rgba(192, 0, 0, 0.1)
+ background-color: rgba(192, 0, 0, 0.1);
}
#content table tr.allowed {
- background-color: rgba(0, 160, 0, 0.1)
+ background-color: rgba(0, 160, 0, 0.1);
}
#content table tr.allowed.mirrored {
- background-color: rgba(255, 255, 0, 0.3)
+ background-color: rgba(255, 255, 0, 0.3);
}
#content table tr.maindoc {
background-color: #eee;
}
+#content table tr.cosmetic {
+ background-color: rgba(255, 255, 0, 0.1);
+ }
body:not(.filterOff) #content table tr.hidden {
display: none;
}
diff --git a/src/js/contentscript-end.js b/src/js/contentscript-end.js
index e5df12d4d..db1af9cb8 100644
--- a/src/js/contentscript-end.js
+++ b/src/js/contentscript-end.js
@@ -55,6 +55,7 @@ if ( vAPI.contentscriptEndInjected ) {
return;
}
vAPI.contentscriptEndInjected = true;
+vAPI.styles = vAPI.styles || [];
/******************************************************************************/
/******************************************************************************/
@@ -187,7 +188,7 @@ var uBlockCollapser = (function() {
}
if ( selectors.length !== 0 ) {
messager.send({
- what: 'injectedSelectors',
+ what: 'cosmeticFiltersInjected',
type: 'net',
hostname: window.location.hostname,
selectors: selectors
@@ -385,7 +386,7 @@ var uBlockCollapser = (function() {
processHighHighGenericsAsync();
}
}
- if ( hideSelectors.length ) {
+ if ( hideSelectors.length !== 0 ) {
addStyleTag(hideSelectors);
}
contextNodes.length = 0;
@@ -400,7 +401,7 @@ var uBlockCollapser = (function() {
// - Injecting a style tag
var addStyleTag = function(selectors) {
- var selectorStr = selectors.toString();
+ var selectorStr = selectors.join(',\n');
hideElements(selectorStr);
var style = document.createElement('style');
// The linefeed before the style block is very important: do no remove!
@@ -408,9 +409,10 @@ var uBlockCollapser = (function() {
var parent = document.body || document.documentElement;
if ( parent ) {
parent.appendChild(style);
+ vAPI.styles.push(style);
}
messager.send({
- what: 'injectedSelectors',
+ what: 'cosmeticFiltersInjected',
type: 'cosmetic',
hostname: window.location.hostname,
selectors: selectors
@@ -701,6 +703,7 @@ var uBlockCollapser = (function() {
idsFromNodeList(selectNodes('[id]'));
classesFromNodeList(selectNodes('[class]'));
retrieveGenericSelectors();
+ messager.send({ what: 'cosmeticFiltersActivated' });
}
};
diff --git a/src/js/contentscript-start.js b/src/js/contentscript-start.js
index ad6161d79..9e5210dfb 100644
--- a/src/js/contentscript-start.js
+++ b/src/js/contentscript-start.js
@@ -53,6 +53,7 @@ if ( vAPI.contentscriptStartInjected ) {
return;
}
vAPI.contentscriptStartInjected = true;
+vAPI.styles = vAPI.styles || [];
/******************************************************************************/
@@ -99,6 +100,7 @@ var cosmeticFilters = function(details) {
var parent = document.head || document.documentElement;
if ( parent ) {
parent.appendChild(style);
+ vAPI.styles.push(style);
}
}
vAPI.donthideCosmeticFilters = donthideCosmeticFilters;
@@ -121,6 +123,8 @@ var netFilters = function(details) {
};
var filteringHandler = function(details) {
+ var styleTagCount = vAPI.styles.length;
+
vAPI.skipCosmeticFiltering = !details || details.skipCosmeticFiltering;
if ( details ) {
if ( details.cosmeticHide.length !== 0 || details.cosmeticDonthide.length !== 0 ) {
@@ -129,8 +133,12 @@ var filteringHandler = function(details) {
if ( details.netHide.length !== 0 ) {
netFilters(details);
}
- // The port will never be used again at this point, disconnecting allows
- // the browser to flush this script from memory.
+ }
+
+ // This is just to inform the background process that cosmetic filters were
+ // actually injected.
+ if ( vAPI.styles.length !== styleTagCount ) {
+ localMessager.send({ what: 'cosmeticFiltersActivated' });
}
// https://github.com/chrisaljoudi/uBlock/issues/587
@@ -139,7 +147,8 @@ var filteringHandler = function(details) {
// cleaned right after browser launch.
vAPI.contentscriptStartInjected = details && details.ready;
- // Cleanup before leaving
+ // The port will never be used again at this point, disconnecting allows
+ // the browser to flush this script from memory.
localMessager.close();
};
diff --git a/src/js/cosmetic-logger.js b/src/js/cosmetic-logger.js
new file mode 100644
index 000000000..d038d1af6
--- /dev/null
+++ b/src/js/cosmetic-logger.js
@@ -0,0 +1,96 @@
+/*******************************************************************************
+
+ uBlock - a browser extension to block requests.
+ Copyright (C) 2015 Raymond Hill
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see {http://www.gnu.org/licenses/}.
+
+ Home: https://github.com/gorhill/uBlock
+*/
+
+/* global vAPI, HTMLDocument */
+
+/******************************************************************************/
+
+(function() {
+
+'use strict';
+
+/******************************************************************************/
+
+// https://github.com/gorhill/uBlock/issues/464
+if ( document instanceof HTMLDocument === false ) {
+ //console.debug('cosmetic-logger.js > not a HTLMDocument');
+ return;
+}
+
+// This can happen
+if ( !vAPI ) {
+ //console.debug('cosmetic-logger.js > vAPI not found');
+ return;
+}
+
+/******************************************************************************/
+
+var loggedSelectors = vAPI.loggedSelectors || {};
+
+var injectedSelectors = [];
+var reProperties = /\s*\{[^}]+\}\s*/;
+var i;
+var styles = vAPI.styles || [];
+
+i = styles.length;
+while ( i-- ) {
+ injectedSelectors = injectedSelectors.concat(styles[i].textContent.replace(reProperties, '').split(/\s*,\n\s*/));
+}
+
+if ( injectedSelectors.length === 0 ) {
+ return;
+}
+
+var matchedSelectors = [];
+var selector;
+
+i = injectedSelectors.length;
+while ( i-- ) {
+ selector = injectedSelectors[i];
+ if ( loggedSelectors.hasOwnProperty(selector) ) {
+ continue;
+ }
+ if ( document.querySelector(selector) === null ) {
+ continue;
+ }
+ loggedSelectors[selector] = true;
+ matchedSelectors.push(selector);
+}
+
+vAPI.loggedSelectors = loggedSelectors;
+
+/******************************************************************************/
+
+var localMessager = vAPI.messaging.channel('cosmetic-*.js');
+
+localMessager.send({
+ what: 'logCosmeticFilteringData',
+ pageURL: window.location.href,
+ matchedSelectors: matchedSelectors
+}, function() {
+ localMessager.close();
+});
+
+/******************************************************************************/
+
+})();
+
+/******************************************************************************/
diff --git a/src/js/devtool-log.js b/src/js/devtool-log.js
index 2720e1bd0..7eb48781c 100644
--- a/src/js/devtool-log.js
+++ b/src/js/devtool-log.js
@@ -37,7 +37,8 @@ var inspectedTabId = '';
var doc = document;
var body = doc.body;
var tbody = doc.querySelector('#content tbody');
-var rowJunkyard = [];
+var row1Junkyard = [];
+var row4Junkyard = [];
var reFilter = null;
var filterTargetTestResult = true;
var maxEntries = 0;
@@ -106,7 +107,7 @@ var renderURL = function(url, filter) {
/******************************************************************************/
var createRow = function() {
- var tr = rowJunkyard.pop();
+ var tr = row4Junkyard.pop();
if ( tr ) {
tr.className = '';
return tr;
@@ -121,8 +122,35 @@ var createRow = function() {
/******************************************************************************/
+var createGap = function(url) {
+ var tr = row1Junkyard.pop();
+ if ( !tr ) {
+ tr = doc.createElement('tr');
+ tr.classList.add('docBoundary');
+ tr.appendChild(doc.createElement('td'));
+ tr.cells[0].setAttribute('colspan', '4');
+ }
+ tr.cells[0].textContent = url;
+ tbody.insertBefore(tr, tbody.firstChild);
+};
+
+/******************************************************************************/
+
var renderLogEntry = function(entry) {
var tr = createRow();
+
+ // If the request is that of a root frame, insert a gap in the table
+ // in order to visually separate entries for different documents.
+ if ( entry.type === 'main_frame' ) {
+ createGap(entry.url);
+ tr.classList.add('maindoc');
+ }
+
+ // Cosmetic filter?
+ if ( entry.result.charAt(0) === 'c' ) {
+ tr.classList.add('cosmetic');
+ }
+
if ( entry.result.charAt(1) === 'b' ) {
tr.classList.add('blocked');
tr.cells[0].textContent = ' -\u00A0';
@@ -135,9 +163,11 @@ var renderLogEntry = function(entry) {
} else {
tr.cells[0].textContent = '';
}
+
if ( entry.type === 'main_frame' ) {
tr.classList.add('maindoc');
}
+
var filterText = entry.result.slice(3);
if ( entry.result.lastIndexOf('sa', 0) === 0 ) {
filterText = '@@' + filterText;
@@ -198,8 +228,17 @@ var truncateLog = function(size) {
size = 25000;
}
size = Math.min(size, 25000);
+ var tr;
while ( tbody.childElementCount > size ) {
- rowJunkyard.push(tbody.removeChild(tbody.lastElementChild));
+ tr = tbody.lastElementChild;
+ // https://github.com/gorhill/uBlock/issues/123
+ // Triage according to row type.
+ if ( tr.cells.length === 1 ) {
+ row1Junkyard.push(tr);
+ } else {
+ row4Junkyard.push(tr);
+ }
+ tbody.removeChild(tr);
}
};
@@ -225,8 +264,17 @@ var readLogBuffer = function() {
/******************************************************************************/
var clearBuffer = function() {
+ var tr;
while ( tbody.firstChild !== null ) {
- rowJunkyard.push(tbody.removeChild(tbody.firstChild));
+ tr = tbody.lastElementChild;
+ // https://github.com/gorhill/uBlock/issues/123
+ // Triage according to row type.
+ if ( tr.cells.length === 1 ) {
+ row1Junkyard.push(tr);
+ } else {
+ row4Junkyard.push(tr);
+ }
+ tbody.removeChild(tr);
}
};
diff --git a/src/js/logger.js b/src/js/logger.js
new file mode 100644
index 000000000..dc9e3a3c8
--- /dev/null
+++ b/src/js/logger.js
@@ -0,0 +1,214 @@
+/*******************************************************************************
+
+ uBlock Origin - a browser extension to block requests.
+ Copyright (C) 2015 Raymond Hill
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see {http://www.gnu.org/licenses/}.
+
+ Home: https://github.com/gorhill/uBlock
+*/
+
+/* global µBlock */
+
+/******************************************************************************/
+/******************************************************************************/
+
+µBlock.logger = (function() {
+
+'use strict';
+
+/******************************************************************************/
+/******************************************************************************/
+
+var LogEntry = function(details, result) {
+ this.init(details, result);
+};
+
+/******************************************************************************/
+
+var logEntryFactory = function(details, result) {
+ var entry = logEntryJunkyard.pop();
+ if ( entry ) {
+ return entry.init(details, result);
+ }
+ return new LogEntry(details, result);
+};
+
+var logEntryJunkyard = [];
+var logEntryJunkyardMax = 100;
+
+/******************************************************************************/
+
+LogEntry.prototype.init = function(details, result) {
+ this.tstamp = Date.now();
+ this.url = details.requestURL;
+ this.hostname = details.requestHostname;
+ this.type = details.requestType;
+ this.result = result;
+ return this;
+};
+
+/******************************************************************************/
+
+LogEntry.prototype.dispose = function() {
+ this.url = this.hostname = this.type = this.result = '';
+ if ( logEntryJunkyard.length < logEntryJunkyardMax ) {
+ logEntryJunkyard.push(this);
+ }
+};
+
+/******************************************************************************/
+/******************************************************************************/
+
+var LogBuffer = function() {
+ this.lastReadTime = 0;
+ this.size = 50;
+ this.buffer = new Array(this.size);
+ this.readPtr = 0;
+ this.writePtr = 0;
+};
+
+/******************************************************************************/
+
+LogBuffer.prototype.dispose = function() {
+ var entry;
+ var i = this.buffer.length;
+ while ( i-- ) {
+ entry = this.buffer[i];
+ if ( entry instanceof LogEntry ) {
+ entry.dispose();
+ }
+ }
+ this.buffer = null;
+ return null;
+};
+
+/******************************************************************************/
+
+LogBuffer.prototype.writeOne = function(details, result) {
+ // Reusing log entry = less memory churning
+ var entry = this.buffer[this.writePtr];
+ if ( entry instanceof LogEntry === false ) {
+ this.buffer[this.writePtr] = logEntryFactory(details, result);
+ } else {
+ entry.init(details, result);
+ }
+ this.writePtr += 1;
+ if ( this.writePtr === this.size ) {
+ this.writePtr = 0;
+ }
+ // Grow the buffer between 1.5x-2x the current size
+ if ( this.writePtr === this.readPtr ) {
+ var toMove = this.buffer.slice(0, this.writePtr);
+ var minSize = Math.ceil(this.size * 1.5);
+ this.size += toMove.length;
+ if ( this.size < minSize ) {
+ this.buffer = this.buffer.concat(toMove, new Array(minSize - this.size));
+ this.writePtr = this.size;
+ } else {
+ this.buffer = this.buffer.concat(toMove);
+ this.writePtr = 0;
+ }
+ this.size = this.buffer.length;
+ }
+};
+
+/******************************************************************************/
+
+LogBuffer.prototype.readAll = function() {
+ var out;
+ if ( this.readPtr < this.writePtr ) {
+ out = this.buffer.slice(this.readPtr, this.writePtr);
+ } else if ( this.writePtr < this.readPtr ) {
+ out = this.buffer.slice(this.readPtr).concat(this.buffer.slice(0, this.writePtr));
+ } else {
+ out = [];
+ }
+ this.readPtr = this.writePtr;
+ this.lastReadTime = Date.now();
+ return out;
+};
+
+/******************************************************************************/
+/******************************************************************************/
+
+// Tab id to log buffer instances
+var logBuffers = {};
+
+// After 30 seconds without being read, a buffer will be considered unused, and
+// thus removed from memory.
+var logBufferObsoleteAfter = 30 * 1000;
+
+/******************************************************************************/
+
+var writeOne = function(tabId, details, result) {
+ if ( logBuffers.hasOwnProperty(tabId) === false ) {
+ return;
+ }
+ var logBuffer = logBuffers[tabId];
+ logBuffer.writeOne(details, result);
+};
+
+/******************************************************************************/
+
+var readAll = function(tabId) {
+ if ( logBuffers.hasOwnProperty(tabId) === false ) {
+ logBuffers[tabId] = new LogBuffer();
+ }
+ return logBuffers[tabId].readAll();
+};
+
+/******************************************************************************/
+
+var isObserved = function(tabId) {
+ return logBuffers.hasOwnProperty(tabId);
+};
+
+/******************************************************************************/
+
+var loggerJanitor = function() {
+ var logBuffer;
+ var obsolete = Date.now() - logBufferObsoleteAfter;
+ for ( var tabId in logBuffers ) {
+ if ( logBuffers.hasOwnProperty(tabId) === false ) {
+ continue;
+ }
+ logBuffer = logBuffers[tabId];
+ if ( logBuffer.lastReadTime < obsolete ) {
+ logBuffer.dispose();
+ delete logBuffers[tabId];
+ }
+ }
+ setTimeout(loggerJanitor, loggerJanitorPeriod);
+};
+
+// The janitor will look for stale log buffer every 2 minutes.
+var loggerJanitorPeriod = 2 * 60 * 1000;
+
+setTimeout(loggerJanitor, loggerJanitorPeriod);
+
+/******************************************************************************/
+
+return {
+ writeOne: writeOne,
+ readAll: readAll,
+ isObserved: isObserved
+};
+
+/******************************************************************************/
+/******************************************************************************/
+
+})();
+
+/******************************************************************************/
diff --git a/src/js/messaging.js b/src/js/messaging.js
index 595e8e5b2..492aedf69 100644
--- a/src/js/messaging.js
+++ b/src/js/messaging.js
@@ -50,6 +50,8 @@ var onMessage = function(request, sender, callback) {
break;
}
+ var tabId = sender && sender.tab ? sender.tab.id : 0;
+
// Sync
var response;
@@ -59,6 +61,17 @@ var onMessage = function(request, sender, callback) {
µb.contextMenuClientY = request.clientY;
break;
+ case 'cosmeticFiltersInjected':
+ // Is this a request to cache selectors?
+ µb.cosmeticFilteringEngine.addToSelectorCache(request);
+ /* falls through */
+ case 'cosmeticFiltersActivated':
+ // Net-based cosmetic filters are of no interest for logging purpose.
+ if ( µb.logger.isObserved(tabId) && request.type !== 'net' ) {
+ µb.logCosmeticFilters(tabId);
+ }
+ break;
+
case 'forceUpdateAssets':
µb.assetUpdater.force();
break;
@@ -463,9 +476,9 @@ var filterRequests = function(pageStore, details) {
/******************************************************************************/
-var onMessage = function(details, sender, callback) {
+var onMessage = function(request, sender, callback) {
// Async
- switch ( details.what ) {
+ switch ( request.what ) {
default:
break;
}
@@ -478,21 +491,17 @@ var onMessage = function(details, sender, callback) {
pageStore = µb.pageStoreFromTabId(sender.tab.id);
}
- switch ( details.what ) {
+ switch ( request.what ) {
case 'retrieveGenericCosmeticSelectors':
response = {
shutdown: !pageStore || !pageStore.getNetFilteringSwitch(),
result: null
};
if ( !response.shutdown && pageStore.getGenericCosmeticFilteringSwitch() ) {
- response.result = µb.cosmeticFilteringEngine.retrieveGenericSelectors(details);
+ response.result = µb.cosmeticFilteringEngine.retrieveGenericSelectors(request);
}
break;
- case 'injectedSelectors':
- µb.cosmeticFilteringEngine.addToSelectorCache(details);
- break;
-
// Evaluate many requests
case 'filterRequests':
response = {
@@ -500,7 +509,7 @@ var onMessage = function(details, sender, callback) {
result: null
};
if(!response.shutdown) {
- response.result = filterRequests(pageStore, details);
+ response.result = filterRequests(pageStore, request);
}
break;
@@ -520,6 +529,73 @@ vAPI.messaging.listen('contentscript-end.js', onMessage);
/******************************************************************************/
/******************************************************************************/
+// cosmetic-*.js
+
+(function() {
+
+'use strict';
+
+/******************************************************************************/
+
+var µb = µBlock;
+
+/******************************************************************************/
+
+var logCosmeticFilters = function(tabId, details) {
+ if ( µb.logger.isObserved(tabId) === false ) {
+ return;
+ }
+
+ var context = {
+ requestURL: details.pageURL,
+ requestHostname: µb.URI.hostnameFromURI(details.pageURL),
+ requestType: 'dom'
+ };
+
+ var selectors = details.matchedSelectors;
+
+ selectors.sort();
+
+ for ( var i = 0; i < selectors.length; i++ ) {
+ µb.logger.writeOne(tabId, context, 'cb:##' + selectors[i]);
+ }
+};
+
+/******************************************************************************/
+
+var onMessage = function(request, sender, callback) {
+ // Async
+ switch ( request.what ) {
+ default:
+ break;
+ }
+
+ // Sync
+ var response;
+
+ var tabId = sender && sender.tab ? sender.tab.id : 0;
+
+ switch ( request.what ) {
+ case 'logCosmeticFilteringData':
+ logCosmeticFilters(tabId, request);
+ break;
+
+ default:
+ return vAPI.messaging.UNHANDLED;
+ }
+
+ callback(response);
+};
+
+vAPI.messaging.listen('cosmetic-*.js', onMessage);
+
+/******************************************************************************/
+
+})();
+
+/******************************************************************************/
+/******************************************************************************/
+
// element-picker.js
(function() {
@@ -1134,10 +1210,7 @@ var onMessage = function(request, sender, callback) {
switch ( request.what ) {
case 'readLogBuffer':
- var pageStore = µb.pageStoreFromTabId(request.tabId);
- if ( pageStore ) {
- response = pageStore.logBuffer.readAll();
- }
+ response = µb.logger.readAll(request.tabId);
break;
default:
diff --git a/src/js/pagestore.js b/src/js/pagestore.js
index f0793c4c8..657e76115 100644
--- a/src/js/pagestore.js
+++ b/src/js/pagestore.js
@@ -45,178 +45,6 @@ var µb = µBlock;
/******************************************************************************/
/******************************************************************************/
-var LogEntry = function(details, result) {
- this.init(details, result);
-};
-
-/******************************************************************************/
-
-var logEntryFactory = function(details, result) {
- var entry = logEntryJunkyard.pop();
- if ( entry ) {
- return entry.init(details, result);
- }
- return new LogEntry(details, result);
-};
-
-var logEntryJunkyard = [];
-var logEntryJunkyardMax = 100;
-
-/******************************************************************************/
-
-LogEntry.prototype.init = function(details, result) {
- this.tstamp = Date.now();
- this.url = details.requestURL;
- this.hostname = details.requestHostname;
- this.type = details.requestType;
- this.result = result;
- return this;
-};
-
-/******************************************************************************/
-
-LogEntry.prototype.dispose = function() {
- this.url = this.hostname = this.type = this.result = '';
- if ( logEntryJunkyard.length < logEntryJunkyardMax ) {
- logEntryJunkyard.push(this);
- }
-};
-
-/******************************************************************************/
-
-var LogBuffer = function() {
- this.lastReadTime = 0;
- this.size = 50;
- this.buffer = null;
- this.readPtr = 0;
- this.writePtr = 0;
-};
-
-/******************************************************************************/
-
-var logBufferFactory = function() {
- return new LogBuffer();
-};
-
-var liveLogBuffers = [];
-
-/******************************************************************************/
-
-LogBuffer.prototype.dispose = function() {
- if ( this.buffer === null ) {
- return null;
- }
- var entry;
- var i = this.buffer.length;
- while ( i-- ) {
- entry = this.buffer[i];
- if ( entry instanceof LogEntry ) {
- entry.dispose();
- }
- }
- this.buffer = null;
- return null;
-};
-
-/******************************************************************************/
-
-LogBuffer.prototype.start = function() {
- if ( this.buffer === null ) {
- this.buffer = new Array(this.size);
- this.readPtr = 0;
- this.writePtr = 0;
- liveLogBuffers.push(this);
- }
-};
-
-/******************************************************************************/
-
-LogBuffer.prototype.stop = function() {
- this.dispose();
- this.buffer = null;
- // The janitor will remove us from the live pool eventually.
-};
-
-/******************************************************************************/
-
-LogBuffer.prototype.writeOne = function(details, result) {
- if ( this.buffer === null ) {
- return;
- }
- // Reusing log entry = less memory churning
- var entry = this.buffer[this.writePtr];
- if ( entry instanceof LogEntry === false ) {
- this.buffer[this.writePtr] = logEntryFactory(details, result);
- } else {
- entry.init(details, result);
- }
- this.writePtr += 1;
- if ( this.writePtr === this.size ) {
- this.writePtr = 0;
- }
- // Grow the buffer between 1.5x-2x the current size
- if ( this.writePtr === this.readPtr ) {
- var toMove = this.buffer.slice(0, this.writePtr);
- var minSize = Math.ceil(this.size * 1.5);
- this.size += toMove.length;
- if ( this.size < minSize ) {
- this.buffer = this.buffer.concat(toMove, new Array(minSize - this.size));
- this.writePtr = this.size;
- } else {
- this.buffer = this.buffer.concat(toMove);
- this.writePtr = 0;
- }
- this.size = this.buffer.length;
- }
-};
-
-/******************************************************************************/
-
-LogBuffer.prototype.readAll = function() {
- var out;
- if ( this.buffer === null ) {
- this.start();
- out = [];
- } else if ( this.readPtr < this.writePtr ) {
- out = this.buffer.slice(this.readPtr, this.writePtr);
- } else if ( this.writePtr < this.readPtr ) {
- out = this.buffer.slice(this.readPtr).concat(this.buffer.slice(0, this.writePtr));
- } else {
- out = [];
- }
- this.readPtr = this.writePtr;
- this.lastReadTime = Date.now();
- return out;
-};
-
-/******************************************************************************/
-
-var logBufferJanitor = function() {
- var logBuffer;
- var obsolete = Date.now() - logBufferObsoleteAfter;
- var i = liveLogBuffers.length;
- while ( i-- ) {
- logBuffer = liveLogBuffers[i];
- if ( logBuffer.lastReadTime < obsolete ) {
- logBuffer.stop();
- liveLogBuffers.splice(i, 1);
- }
- }
- setTimeout(logBufferJanitor, logBufferJanitorPeriod);
-};
-
-// The janitor will look for stale log buffer every 2 minutes.
-var logBufferJanitorPeriod = 2 * 60 * 1000;
-
-// After 30 seconds without being read, a buffer will be considered unused, and
-// thus removed from memory.
-var logBufferObsoleteAfter = 30 * 1000;
-
-setTimeout(logBufferJanitor, logBufferJanitorPeriod);
-
-/******************************************************************************/
-/******************************************************************************/
-
// To mitigate memory churning
var netFilteringResultCacheEntryJunkyard = [];
var netFilteringResultCacheEntryJunkyardMax = 200;
@@ -483,12 +311,6 @@ PageStore.prototype.init = function(tabId) {
.matchStringExactType(context, tabContext.normalURL, 'cosmetic-filtering')
.charAt(1) === 'b';
- // Preserve old buffer if there is one already, it may be in use, and
- // overwritting it would required another read to restart it.
- if ( this.logBuffer instanceof LogBuffer === false ) {
- this.logBuffer = logBufferFactory();
- }
-
return this;
};
@@ -538,7 +360,6 @@ PageStore.prototype.dispose = function() {
this.hostnameToCountMap = null;
this.disposeFrameStores();
this.netFilteringCache = this.netFilteringCache.dispose();
- this.logBuffer = this.logBuffer.dispose();
if ( pageStoreJunkyard.length < pageStoreJunkyardMax ) {
pageStoreJunkyard.push(this);
}
@@ -703,7 +524,6 @@ PageStore.prototype.filterRequest = function(context) {
return result;
};
-// Cache only what is worth it if logging is disabled
// http://jsperf.com/string-indexof-vs-object
var collapsibleRequestTypes = 'image sub_frame object';
@@ -766,7 +586,6 @@ PageStore.prototype.logRequest = function(context, result) {
µb.localSettings.blockedRequestCount++;
}
µb.localSettingsModifyTime = now;
- this.logBuffer.writeOne(context, result);
};
/******************************************************************************/
diff --git a/src/js/tab.js b/src/js/tab.js
index 1dda0a6c5..c0a5a3a3d 100644
--- a/src/js/tab.js
+++ b/src/js/tab.js
@@ -470,6 +470,7 @@ vAPI.tabs.onPopup = function(details) {
if ( pageStore ) {
pageStore.logRequest(context, result);
}
+ µb.logger.writeOne(details.openerTabId, context, result);
// Not blocked
if ( µb.isAllowResult(result) ) {
diff --git a/src/js/traffic.js b/src/js/traffic.js
index 41db50732..763a44542 100644
--- a/src/js/traffic.js
+++ b/src/js/traffic.js
@@ -92,6 +92,7 @@ var onBeforeRequest = function(details) {
// Possible outcomes: blocked, allowed-passthru, allowed-mirror
pageStore.logRequest(requestContext, result);
+ µb.logger.writeOne(tabId, requestContext, result);
// Not blocked
if ( µb.isAllowResult(result) ) {
@@ -152,7 +153,7 @@ var onBeforeRootFrameRequest = function(details) {
if ( pageStore ) {
pageStore.logRequest(context, result);
}
- return;
+ µb.logger.writeOne(tabId, context, result);
};
/******************************************************************************/
@@ -225,6 +226,7 @@ var onBeforeBehindTheSceneRequest = function(details) {
}
pageStore.logRequest(context, result);
+ µb.logger.writeOne(vAPI.noTabId, context, result);
// Not blocked
if ( µb.isAllowResult(result) ) {
@@ -272,6 +274,7 @@ var onHeadersReceived = function(details) {
var result = pageStore.filterRequestNoCache(context);
pageStore.logRequest(context, result);
+ µb.logger.writeOne(tabId, context, result);
// Don't block
if ( µb.isAllowResult(result) ) {
@@ -318,6 +321,7 @@ var onRootFrameHeadersReceived = function(details) {
var result = pageStore.filterRequest(context);
pageStore.logRequest(context, result);
+ µb.logger.writeOne(tabId, context, result);
// Don't block
if ( µb.isAllowResult(result) ) {
diff --git a/src/js/ublock.js b/src/js/ublock.js
index 0fd81e495..b713df96d 100644
--- a/src/js/ublock.js
+++ b/src/js/ublock.js
@@ -318,4 +318,27 @@ var matchWhitelistDirective = function(url, hostname, directive) {
/******************************************************************************/
+µBlock.logCosmeticFilters = (function() {
+ var tabIdToTimerMap = {};
+
+ var injectNow = function(tabId) {
+ delete tabIdToTimerMap[tabId];
+ vAPI.tabs.injectScript(tabId, { file: 'js/cosmetic-logger.js' });
+ };
+
+ var injectAsync = function(tabId) {
+ if ( tabIdToTimerMap.hasOwnProperty(tabId) ) {
+ return;
+ }
+ tabIdToTimerMap[tabId] = setTimeout(
+ injectNow.bind(null, tabId),
+ 100
+ );
+ };
+
+ return injectAsync;
+})();
+
+/******************************************************************************/
+
})();