pull/2/head
gorhill 9 years ago
parent d1f5a78ca2
commit 6ef4821b73

@ -71,21 +71,92 @@ vAPI.noTabId = '-1';
/******************************************************************************/
var onCreatedNavigationTarget = function(details) {
vAPI.tabs.onPopup({
openerTabId: details.sourceTabId,
openerURL: '',
targetURL: details.url,
targetTabId: details.tabId
});
};
vAPI.tabs.registerListeners = function() {
var onNavigationClient = this.onNavigation || noopFunc;
var onPopupClient = this.onPopup || noopFunc;
// https://developer.chrome.com/extensions/webNavigation
// [onCreatedNavigationTarget ->]
// onBeforeNavigate ->
// onCommitted ->
// onDOMContentLoaded ->
// onCompleted
var popupCandidates = Object.create(null);
var PopupCandidate = function(details) {
this.targetTabId = details.tabId;
this.openerTabId = details.sourceTabId;
this.targetURL = details.url;
this.selfDestructionTimer = null;
};
/******************************************************************************/
PopupCandidate.prototype.selfDestruct = function() {
if ( this.selfDestructionTimer !== null ) {
clearTimeout(this.selfDestructionTimer);
}
delete popupCandidates[this.targetTabId];
};
vAPI.tabs.registerListeners = function() {
if ( typeof this.onNavigation === 'function' ) {
chrome.webNavigation.onCommitted.addListener(this.onNavigation);
}
PopupCandidate.prototype.launchSelfDestruction = function() {
if ( this.selfDestructionTimer !== null ) {
clearTimeout(this.selfDestructionTimer);
}
this.selfDestructionTimer = setTimeout(this.selfDestruct.bind(this), 1000);
};
var popupCandidateCreate = function(details) {
var popup = popupCandidates[details.tabId];
// This really should not happen...
if ( popup !== undefined ) {
return;
}
return popupCandidates[details.tabId] = new PopupCandidate(details);
};
var popupCandidateTest = function(details) {
var popup = popupCandidates[details.tabId];
if ( popup === undefined ) {
return;
}
popup.targetURL = details.url;
if ( onPopupClient(popup) !== true ) {
return;
}
popup.selfDestruct();
return true;
};
var popupCandidateDestroy = function(details) {
var popup = popupCandidates[details.tabId];
if ( popup instanceof PopupCandidate ) {
popup.launchSelfDestruction();
}
};
var onCreatedNavigationTarget = function(details) {
//console.debug('onCreatedNavigationTarget: popup candidate', details.tabId);
popupCandidateCreate(details);
popupCandidateTest(details);
};
var onBeforeNavigate = function(details) {
//console.debug('onBeforeNavigate: popup candidate', details.tabId);
popupCandidateTest(details);
};
var onCommitted = function(details) {
//console.debug('onCommitted: popup candidate', details.tabId);
if ( popupCandidateTest(details) === true ) {
return;
}
popupCandidateDestroy(details);
onNavigationClient(details);
};
chrome.webNavigation.onCreatedNavigationTarget.addListener(onCreatedNavigationTarget);
chrome.webNavigation.onBeforeNavigate.addListener(onBeforeNavigate);
chrome.webNavigation.onCommitted.addListener(onCommitted);
if ( typeof this.onUpdated === 'function' ) {
chrome.tabs.onUpdated.addListener(this.onUpdated);
@ -95,9 +166,6 @@ vAPI.tabs.registerListeners = function() {
chrome.tabs.onRemoved.addListener(this.onClosed);
}
if ( typeof this.onPopup === 'function' ) {
chrome.webNavigation.onCreatedNavigationTarget.addListener(onCreatedNavigationTarget);
}
};
/******************************************************************************/
@ -521,56 +589,6 @@ vAPI.net.registerListeners = function() {
},
this.onHeadersReceived.extra
);
// Intercept root frame requests.
// This is where we identify and block popups early, whenever possible.
var onBeforeSendHeaders = function(details) {
// Do not block behind the scene requests.
if ( vAPI.isNoTabId(details.tabId) ) {
return;
}
// Only root document.
if ( details.parentFrameId !== -1 ) {
return;
}
var referrer = headerValue(details.requestHeaders, 'referer');
if ( referrer === '' ) {
return;
}
var result = vAPI.tabs.onPopup({
openerTabId: undefined,
openerURL: referrer,
targetTabId: details.tabId,
targetURL: details.url
});
if ( result ) {
return { 'cancel': true };
}
};
var headerValue = function(headers, name) {
var i = headers.length;
while ( i-- ) {
if ( headers[i].name.toLowerCase() === name ) {
return headers[i].value;
}
}
return '';
};
chrome.webRequest.onBeforeSendHeaders.addListener(
onBeforeSendHeaders,
{
'urls': [ 'http://*/*', 'https://*/*' ],
'types': [ 'main_frame' ]
},
[ 'blocking', 'requestHeaders' ]
);
};
/******************************************************************************/

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