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"use strict";
var {classes: Cc, interfaces: Ci, utils: Cu} = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "ExtensionManagement",
"resource://gre/modules/ExtensionManagement.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "MatchURLFilters",
"resource://gre/modules/MatchPattern.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "WebNavigation",
"resource://gre/modules/WebNavigation.jsm");
Cu.import("resource://gre/modules/ExtensionUtils.jsm");
var {
SingletonEventManager,
ignoreEvent,
} = ExtensionUtils;
const defaultTransitionTypes = {
topFrame: "link",
subFrame: "auto_subframe",
};
const frameTransitions = {
anyFrame: {
qualifiers: ["server_redirect", "client_redirect", "forward_back"],
},
topFrame: {
types: ["reload", "form_submit"],
},
};
const tabTransitions = {
topFrame: {
qualifiers: ["from_address_bar"],
types: ["auto_bookmark", "typed", "keyword", "generated", "link"],
},
subFrame: {
types: ["manual_subframe"],
},
};
function isTopLevelFrame({frameId, parentFrameId}) {
return frameId == 0 && parentFrameId == -1;
}
function fillTransitionProperties(eventName, src, dst) {
if (eventName == "onCommitted" || eventName == "onHistoryStateUpdated") {
let frameTransitionData = src.frameTransitionData || {};
let tabTransitionData = src.tabTransitionData || {};
let transitionType, transitionQualifiers = [];
// Fill transition properties for any frame.
for (let qualifier of frameTransitions.anyFrame.qualifiers) {
if (frameTransitionData[qualifier]) {
transitionQualifiers.push(qualifier);
}
}
if (isTopLevelFrame(dst)) {
for (let type of frameTransitions.topFrame.types) {
if (frameTransitionData[type]) {
transitionType = type;
}
}
for (let qualifier of tabTransitions.topFrame.qualifiers) {
if (tabTransitionData[qualifier]) {
transitionQualifiers.push(qualifier);
}
}
for (let type of tabTransitions.topFrame.types) {
if (tabTransitionData[type]) {
transitionType = type;
}
}
// If transitionType is not defined, defaults it to "link".
if (!transitionType) {
transitionType = defaultTransitionTypes.topFrame;
}
} else {
// If it is sub-frame, transitionType defaults it to "auto_subframe",
// "manual_subframe" is set only in case of a recent user interaction.
transitionType = tabTransitionData.link ?
"manual_subframe" : defaultTransitionTypes.subFrame;
}
// Fill the transition properties in the webNavigation event object.
dst.transitionType = transitionType;
dst.transitionQualifiers = transitionQualifiers;
}
}
// Similar to WebRequestEventManager but for WebNavigation.
function WebNavigationEventManager(context, eventName) {
let name = `webNavigation.${eventName}`;
let register = (callback, urlFilters) => {
// Don't create a MatchURLFilters instance if the listener does not include any filter.
let filters = urlFilters ?
new MatchURLFilters(urlFilters.url) : null;
let listener = data => {
if (!data.browser) {
return;
}
let data2 = {
url: data.url,
timeStamp: Date.now(),
frameId: ExtensionManagement.getFrameId(data.windowId),
parentFrameId: ExtensionManagement.getParentFrameId(data.parentWindowId, data.windowId),
};
if (eventName == "onErrorOccurred") {
data2.error = data.error;
}
// Fills in tabId typically.
extensions.emit("fill-browser-data", data.browser, data2);
if (data2.tabId < 0) {
return;
}
fillTransitionProperties(eventName, data, data2);
context.runSafe(callback, data2);
};
WebNavigation[eventName].addListener(listener, filters);
return () => {
WebNavigation[eventName].removeListener(listener);
};
};
return SingletonEventManager.call(this, context, name, register);
}
WebNavigationEventManager.prototype = Object.create(SingletonEventManager.prototype);
function convertGetFrameResult(tabId, data) {
return {
errorOccurred: data.errorOccurred,
url: data.url,
tabId,
frameId: ExtensionManagement.getFrameId(data.windowId),
parentFrameId: ExtensionManagement.getParentFrameId(data.parentWindowId, data.windowId),
};
}
extensions.registerSchemaAPI("webNavigation", "addon_parent", context => {
return {
webNavigation: {
onTabReplaced: ignoreEvent(context, "webNavigation.onTabReplaced"),
onBeforeNavigate: new WebNavigationEventManager(context, "onBeforeNavigate").api(),
onCommitted: new WebNavigationEventManager(context, "onCommitted").api(),
onDOMContentLoaded: new WebNavigationEventManager(context, "onDOMContentLoaded").api(),
onCompleted: new WebNavigationEventManager(context, "onCompleted").api(),
onErrorOccurred: new WebNavigationEventManager(context, "onErrorOccurred").api(),
onReferenceFragmentUpdated: new WebNavigationEventManager(context, "onReferenceFragmentUpdated").api(),
onHistoryStateUpdated: new WebNavigationEventManager(context, "onHistoryStateUpdated").api(),
onCreatedNavigationTarget: ignoreEvent(context, "webNavigation.onCreatedNavigationTarget"),
getAllFrames(details) {
let tab = TabManager.getTab(details.tabId, context);
let {innerWindowID, messageManager} = tab.linkedBrowser;
let recipient = {innerWindowID};
return context.sendMessage(messageManager, "WebNavigation:GetAllFrames", {}, {recipient})
.then((results) => results.map(convertGetFrameResult.bind(null, details.tabId)));
},
getFrame(details) {
let tab = TabManager.getTab(details.tabId, context);
let recipient = {
innerWindowID: tab.linkedBrowser.innerWindowID,
};
let mm = tab.linkedBrowser.messageManager;
return context.sendMessage(mm, "WebNavigation:GetFrame", {options: details}, {recipient})
.then((result) => {
return result ?
convertGetFrameResult(details.tabId, result) :
Promise.reject({message: `No frame found with frameId: ${details.frameId}`});
});
},
},
};
});
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