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Minor code review re. context menu code 

Related issue:
- https://github.com/uBlockOrigin/uBlock-issues/issues/151

I have been unsuccessful fixing the above issue, but I will
keep the changes made in the process of trying to fix it.
This commit is contained in:
Raymond Hill 2019-07-02 09:43:26 -04:00
parent b122c83aa3
commit 730a83377e
No known key found for this signature in database
GPG Key ID: 25E1490B761470C2
3 changed files with 56 additions and 60 deletions
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64
platform/chromium/vapi-background.js
View File

@ -299,9 +299,6 @@ var toChromiumTabId = function(tabId) {
/******************************************************************************/
vAPI.tabs.registerListeners = function() {
var onNavigationClient = this.onNavigation || noopFunc;
var onUpdatedClient = this.onUpdated || noopFunc;
// https://developer.chrome.com/extensions/webNavigation
// [onCreatedNavigationTarget ->]
// onBeforeNavigate ->
@ -315,74 +312,71 @@ vAPI.tabs.registerListeners = function() {
// properly setup if network requests are fired from within the tab.
// Example: Chromium + case #6 at
// http://raymondhill.net/ublock/popup.html
var reGoodForWebRequestAPI = /^https?:\/\//;
const reGoodForWebRequestAPI = /^https?:\/\//;
// https://forums.lanik.us/viewtopic.php?f=62&t=32826
// Chromium-based browsers: sanitize target URL. I've seen data: URI with
// newline characters in standard fields, possibly as a way of evading
// filters. As per spec, there should be no whitespaces in a data: URI's
// standard fields.
var sanitizeURL = function(url) {
const sanitizeURL = function(url) {
if ( url.startsWith('data:') === false ) { return url; }
var pos = url.indexOf(',');
const pos = url.indexOf(',');
if ( pos === -1 ) { return url; }
var s = url.slice(0, pos);
const s = url.slice(0, pos);
if ( s.search(/\s/) === -1 ) { return url; }
return s.replace(/\s+/, '') + url.slice(pos);
};
var onCreatedNavigationTarget = function(details) {
browser.webNavigation.onCreatedNavigationTarget.addListener(details => {
if ( typeof details.url !== 'string' ) {
details.url = '';
}
if ( reGoodForWebRequestAPI.test(details.url) === false ) {
details.frameId = 0;
details.url = sanitizeURL(details.url);
onNavigationClient(details);
if ( this.onNavigation ) {
this.onNavigation(details);
}
}
if ( typeof vAPI.tabs.onPopupCreated === 'function' ) {
if ( vAPI.tabs.onPopupCreated ) {
vAPI.tabs.onPopupCreated(
details.tabId,
details.sourceTabId
);
}
};
});
var onCommitted = function(details) {
browser.webNavigation.onCommitted.addListener(details => {
details.url = sanitizeURL(details.url);
onNavigationClient(details);
};
var onActivated = function(details) {
if ( vAPI.contextMenu instanceof Object ) {
vAPI.contextMenu.onMustUpdate(details.tabId);
if ( this.onNavigation ) {
this.onNavigation(details);
}
};
});
// https://github.com/gorhill/uBlock/issues/3073
// - Fall back to `tab.url` when `changeInfo.url` is not set.
var onUpdated = function(tabId, changeInfo, tab) {
// Fall back to `tab.url` when `changeInfo.url` is not set.
browser.tabs.onUpdated.addListener((tabId, changeInfo, tab) => {
if ( typeof changeInfo.url !== 'string' ) {
changeInfo.url = tab && tab.url;
}
if ( changeInfo.url ) {
changeInfo.url = sanitizeURL(changeInfo.url);
}
onUpdatedClient(tabId, changeInfo, tab);
};
if ( this.onUpdated ) {
this.onUpdated(tabId, changeInfo, tab);
}
});
chrome.webNavigation.onCommitted.addListener(onCommitted);
// Not supported on Firefox WebExtensions yet.
if ( chrome.webNavigation.onCreatedNavigationTarget instanceof Object ) {
chrome.webNavigation.onCreatedNavigationTarget.addListener(onCreatedNavigationTarget);
}
chrome.tabs.onActivated.addListener(onActivated);
chrome.tabs.onUpdated.addListener(onUpdated);
if ( typeof this.onClosed === 'function' ) {
chrome.tabs.onRemoved.addListener(this.onClosed);
}
browser.tabs.onActivated.addListener(( ) => {
if ( vAPI.contextMenu ) {
vAPI.contextMenu.onMustUpdate();
}
});
browser.tabs.onRemoved.addListener((tabId, details) => {
this.onClosed(tabId, details);
});
};
/******************************************************************************/
@ -395,7 +389,7 @@ vAPI.tabs.get = function(tabId, callback) {
if ( tabId === null ) {
chrome.tabs.query(
{ active: true, currentWindow: true },
function(tabs) {
tabs => {
void chrome.runtime.lastError;
callback(
Array.isArray(tabs) && tabs.length !== 0 ? tabs[0] : null

47
src/js/contextmenu.js
View File

@ -23,7 +23,7 @@
/******************************************************************************/
µBlock.contextMenu = (function() {
µBlock.contextMenu = (( ) => {
/******************************************************************************/
@ -35,7 +35,7 @@ if ( vAPI.contextMenu === undefined ) {
/******************************************************************************/
var onBlockElement = function(details, tab) {
const onBlockElement = function(details, tab) {
if ( tab === undefined ) { return; }
if ( /^https?:\/\//.test(tab.url) === false ) { return; }
let tagName = details.tagName || '';
@ -62,7 +62,7 @@ var onBlockElement = function(details, tab) {
/******************************************************************************/
var onTemporarilyAllowLargeMediaElements = function(details, tab) {
const onTemporarilyAllowLargeMediaElements = function(details, tab) {
if ( tab === undefined ) { return; }
let pageStore = µBlock.pageStoreFromTabId(tab.id);
if ( pageStore === null ) { return; }
@ -71,7 +71,7 @@ var onTemporarilyAllowLargeMediaElements = function(details, tab) {
/******************************************************************************/
var onEntryClicked = function(details, tab) {
const onEntryClicked = function(details, tab) {
if ( details.menuItemId === 'uBlock0-blockElement' ) {
return onBlockElement(details, tab);
}
@ -82,7 +82,7 @@ var onEntryClicked = function(details, tab) {
/******************************************************************************/
var menuEntries = [
const menuEntries = [
{
id: 'uBlock0-blockElement',
title: vAPI.i18n('pickerContextMenuEntry'),
@ -97,9 +97,11 @@ var menuEntries = [
/******************************************************************************/
var update = function(tabId) {
let currentBits = 0;
const update = function(tabId = undefined) {
let newBits = 0;
if ( µBlock.userSettings.contextMenuEnabled && tabId !== null ) {
if ( µBlock.userSettings.contextMenuEnabled && tabId !== undefined ) {
let pageStore = µBlock.pageStoreFromTabId(tabId);
if ( pageStore && pageStore.getNetFilteringSwitch() ) {
newBits |= 0x01;
@ -120,26 +122,27 @@ var update = function(tabId) {
vAPI.contextMenu.setEntries(usedEntries, onEntryClicked);
};
var currentBits = 0;
vAPI.contextMenu.onMustUpdate = update;
/******************************************************************************/
return {
update: function(tabId) {
if ( µBlock.userSettings.contextMenuEnabled && tabId === undefined ) {
vAPI.tabs.get(null, function(tab) {
if ( tab ) {
update(tab.id);
}
});
return;
}
update(tabId);
// https://github.com/uBlockOrigin/uBlock-issues/issues/151
// For unknown reasons, the currently active tab will not be successfully
// looked up after closing a window.
vAPI.contextMenu.onMustUpdate = function(tabId = undefined) {
if ( µBlock.userSettings.contextMenuEnabled === false ) {
return update();
}
if ( tabId !== undefined ) {
return update(tabId);
}
vAPI.tabs.get(null, tab => {
if ( tab instanceof Object === false ) { return; }
update(tab.id);
});
};
return { update: vAPI.contextMenu.onMustUpdate };
/******************************************************************************/
})();

5
src/js/tab.js
View File

@ -524,10 +524,9 @@ vAPI.tabs.onUpdated = function(tabId, changeInfo, tab) {
/******************************************************************************/
vAPI.tabs.onClosed = function(tabId) {
if ( vAPI.isBehindTheSceneTabId(tabId) ) {
return;
}
if ( vAPI.isBehindTheSceneTabId(tabId) ) { return; }
µb.unbindTabFromPageStats(tabId);
µb.contextMenu.update();
};
/******************************************************************************/