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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/* eslint-env mozilla/frame-script */
addEventListener(
"TalosContentProfilerCommand",
e => {
let name = e.detail.name;
let data = e.detail.data;
sendAsyncMessage("TalosContentProfiler:Command", { name, data });
},
{ wantUntrusted: true } // since we're exposing to unprivileged
);
addMessageListener("TalosContentProfiler:Response", msg => {
let name = msg.data.name;
let data = msg.data.data;
let event = Cu.cloneInto(
{
bubbles: true,
detail: {
name,
data,
},
},
content
);
content.dispatchEvent(
new content.CustomEvent("TalosContentProfilerResponse", event)
);
});
addEventListener(
"TalosPowersContentForceCCAndGC",
() => {
Cu.forceGC();
Cu.forceCC();
Cu.forceShrinkingGC();
sendSyncMessage("TalosPowersContent:ForceCCAndGC");
},
{ wantUntrusted: true } // since we're exposing to unprivileged
);
addEventListener(
"TalosPowersContentFocus",
() => {
if (
content.location.protocol != "file:" &&
content.location.hostname != "localhost" &&
content.location.hostname != "127.0.0.1"
) {
throw new Error(
"TalosPowersContentFocus may only be used with local content"
);
}
content.focus();
let contentEvent = Cu.cloneInto(
{
bubbles: true,
},
content
);
content.dispatchEvent(
new content.CustomEvent("TalosPowersContentFocused", contentEvent)
);
},
{ capture: true, wantUntrusted: true } // since we're exposing to unprivileged
);
addEventListener(
"TalosPowersContentGetStartupInfo",
() => {
sendAsyncMessage("TalosPowersContent:GetStartupInfo");
addMessageListener(
"TalosPowersContent:GetStartupInfo:Result",
function onResult(msg) {
removeMessageListener(
"TalosPowersContent:GetStartupInfo:Result",
onResult
);
let event = Cu.cloneInto(
{
bubbles: true,
detail: msg.data,
},
content
);
content.dispatchEvent(
new content.CustomEvent(
"TalosPowersContentGetStartupInfoResult",
event
)
);
}
);
},
{ wantUntrusted: true } // since we're exposing to unprivileged
);
addEventListener(
"TalosPowersContentDumpConsole",
() => {
var messages;
try {
messages = Services.console.getMessageArray();
} catch (ex) {
dump(ex + "\n");
messages = [];
}
for (var i = 0; i < messages.length; i++) {
dump(messages[i].message + "\n");
}
},
{ wantUntrusted: true } // since we're exposing to unprivileged
);
/**
* Content that wants to quit the whole session should
* fire the TalosPowersGoQuitApplication custom event. This will
* attempt to force-quit the browser.
*/
addEventListener(
"TalosPowersGoQuitApplication",
e => {
// If we're loaded in a low-priority background process, like
// the background page thumbnailer, then we shouldn't be allowed
// to quit the whole application. This is a workaround until
let priority = docShell
.QueryInterface(Ci.nsIDocumentLoader)
.loadGroup.QueryInterface(Ci.nsISupportsPriority).priority;
if (priority != Ci.nsISupportsPriority.PRIORITY_LOWEST) {
sendAsyncMessage("Talos:ForceQuit", e.detail);
}
},
{ wantUntrusted: true } // since we're exposing to unprivileged
);
/**
* Content that wants to trigger a WebRender capture should fire the
* TalosPowersWebRenderCapture custom event.
*/
addEventListener(
"TalosPowersWebRenderCapture",
() => {
if (content && content.windowUtils) {
content.windowUtils.wrCapture();
} else {
dump("Unable to obtain DOMWindowUtils for TalosPowersWebRenderCapture\n");
}
},
{ wantUntrusted: true } // since we're exposing to unprivileged
);
/* *
* Mediator for the generic ParentExec mechanism.
* Listens for a query event from the content, forwards it as a query message
* to the parent, listens to a parent reply message, and forwards it as a reply
* event for the content to capture.
* The consumer API for this mechanism is at content/TalosPowersContent.js
* and the callees are at ParentExecServices at components/TalosPowersService.js
*/
addEventListener(
"TalosPowers:ParentExec:QueryEvent",
function (e) {
if (
content.location.protocol != "file:" &&
content.location.hostname != "localhost" &&
content.location.hostname != "127.0.0.1"
) {
throw new Error(
"TalosPowers:ParentExec may only be used with local content"
);
}
let uniqueMessageId =
"TalosPowers:ParentExec:" +
content.document.documentURI +
content.window.performance.now() +
Math.random();
// Listener for the reply from the parent process
addMessageListener("TalosPowers:ParentExec:ReplyMsg", function done(reply) {
if (reply.data.id != uniqueMessageId) {
return;
}
removeMessageListener("TalosPowers:ParentExec:ReplyMsg", done);
// reply to content via an event
let contentEvent = Cu.cloneInto(
{
bubbles: true,
detail: reply.data.result,
},
content
);
content.dispatchEvent(
new content.CustomEvent(e.detail.listeningTo, contentEvent)
);
});
// Send the query to the parent process
sendAsyncMessage("TalosPowers:ParentExec:QueryMsg", {
command: e.detail.command,
id: uniqueMessageId,
});
},
{ wantUntrusted: true } // since we're exposing to unprivileged
);