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Merge remote-tracking branch 'origin/tracking' into custom

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roytam1 2022-04-28 10:45:19 +08:00
commit 6de07653b9
368 changed files with 144 additions and 46366 deletions
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59
toolkit/components/thumbnails/BackgroundPageThumbs.jsm
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@ -10,8 +10,6 @@ const DEFAULT_CAPTURE_TIMEOUT = 30000; // ms
const DESTROY_BROWSER_TIMEOUT = 60000; // ms
const FRAME_SCRIPT_URL = "chrome://global/content/backgroundPageThumbsContent.js";
const TELEMETRY_HISTOGRAM_ID_PREFIX = "FX_THUMBNAILS_BG_";
const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
const HTML_NS = "http://www.w3.org/1999/xhtml";
@ -24,19 +22,6 @@ Cu.import("resource://gre/modules/PageThumbs.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/Task.jsm");
// possible FX_THUMBNAILS_BG_CAPTURE_DONE_REASON_2 telemetry values
const TEL_CAPTURE_DONE_OK = 0;
const TEL_CAPTURE_DONE_TIMEOUT = 1;
// 2 and 3 were used when we had special handling for private-browsing.
const TEL_CAPTURE_DONE_CRASHED = 4;
const TEL_CAPTURE_DONE_BAD_URI = 5;
// These are looked up on the global as properties below.
XPCOMUtils.defineConstant(this, "TEL_CAPTURE_DONE_OK", TEL_CAPTURE_DONE_OK);
XPCOMUtils.defineConstant(this, "TEL_CAPTURE_DONE_TIMEOUT", TEL_CAPTURE_DONE_TIMEOUT);
XPCOMUtils.defineConstant(this, "TEL_CAPTURE_DONE_CRASHED", TEL_CAPTURE_DONE_CRASHED);
XPCOMUtils.defineConstant(this, "TEL_CAPTURE_DONE_BAD_URI", TEL_CAPTURE_DONE_BAD_URI);
XPCOMUtils.defineLazyModuleGetter(this, "ContextualIdentityService",
"resource://gre/modules/ContextualIdentityService.jsm");
const global = this;
@ -71,8 +56,6 @@ const BackgroundPageThumbs = {
this._captureQueue = this._captureQueue || [];
this._capturesByURL = this._capturesByURL || new Map();
tel("QUEUE_SIZE_ON_CAPTURE", this._captureQueue.length);
// We want to avoid duplicate captures for the same URL. If there is an
// existing one, we just add the callback to that one and we are done.
let existing = this._capturesByURL.get(url);
@ -259,7 +242,7 @@ const BackgroundPageThumbs = {
// listener. Trying to send a message to the manager in that case
// throws NS_ERROR_NOT_INITIALIZED.
Services.tm.currentThread.dispatch(() => {
curCapture._done(null, TEL_CAPTURE_DONE_CRASHED);
curCapture._done(null);
}, Ci.nsIEventTarget.DISPATCH_NORMAL);
}
// else: we must have been idle and not currently doing a capture (eg,
@ -308,9 +291,6 @@ const BackgroundPageThumbs = {
throw new Error("The capture should be at the head of the queue.");
this._captureQueue.shift();
this._capturesByURL.delete(capture.url);
if (capture.doneReason != TEL_CAPTURE_DONE_OK) {
Services.obs.notifyObservers(null, "page-thumbnail:error", capture.url);
}
// Start the destroy-browser timer *before* processing the capture queue.
let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
@ -354,7 +334,6 @@ function Capture(url, captureCallback, options) {
this.id = Capture.nextID++;
this.creationDate = new Date();
this.doneCallbacks = [];
this.doneReason;
if (options.onDone)
this.doneCallbacks.push(options.onDone);
}
@ -372,7 +351,6 @@ Capture.prototype = {
*/
start: function (messageManager) {
this.startDate = new Date();
tel("CAPTURE_QUEUE_TIME_MS", this.startDate - this.creationDate);
// timeout timer
let timeout;
@ -416,46 +394,30 @@ Capture.prototype = {
// Called when the didCapture message is received.
receiveMessage: function (msg) {
if (msg.data.imageData)
tel("CAPTURE_SERVICE_TIME_MS", new Date() - this.startDate);
// A different timed-out capture may have finally successfully completed, so
// discard messages that aren't meant for this capture.
if (msg.data.id != this.id)
return;
if (msg.data.failReason) {
let reason = global["TEL_CAPTURE_DONE_" + msg.data.failReason];
this._done(null, reason);
this._done(null);
return;
}
this._done(msg.data, TEL_CAPTURE_DONE_OK);
this._done(msg.data);
},
// Called when the timeout timer fires.
notify: function () {
this._done(null, TEL_CAPTURE_DONE_TIMEOUT);
this._done(null);
},
_done: function (data, reason) {
_done: function (data) {
// Note that _done will be called only once, by either receiveMessage or
// notify, since it calls destroy here, which cancels the timeout timer and
// removes the didCapture message listener.
let { captureCallback, doneCallbacks, options } = this;
this.destroy();
this.doneReason = reason;
if (typeof(reason) != "number") {
throw new Error("A done reason must be given.");
}
tel("CAPTURE_DONE_REASON_2", reason);
if (data && data.telemetry) {
// Telemetry is currently disabled in the content process (bug 680508).
for (let id in data.telemetry) {
tel(id, data.telemetry[id]);
}
}
let done = () => {
captureCallback(this);
@ -492,17 +454,6 @@ Capture.prototype = {
Capture.nextID = 0;
/**
* Adds a value to one of this module's telemetry histograms.
*
* @param histogramID This is prefixed with this module's ID.
* @param value The value to add.
*/
function tel(histogramID, value) {
let id = TELEMETRY_HISTOGRAM_ID_PREFIX + histogramID;
Services.telemetry.getHistogramById(id).add(value);
}
function schedule(callback) {
Services.tm.mainThread.dispatch(callback, Ci.nsIThread.DISPATCH_NORMAL);
}