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author | wolfbeast <mcwerewolf@gmail.com> | 2018-06-04 13:17:38 +0200 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-06-04 13:17:38 +0200 |
commit | a1be17c1cea81ebb1e8b131a662c698d78f3f7f2 (patch) | |
tree | a92f7de513be600cc07bac458183e9af40e00c06 /browser/components/sessionstore/TabStateFlusher.jsm | |
parent | bf11fdd304898ac675e39b01b280d39550e419d0 (diff) | |
download | UXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.tar UXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.tar.gz UXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.tar.lz UXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.tar.xz UXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.zip |
Issue #303 Part 1: Move basilisk files from /browser to /application/basilisk
Diffstat (limited to 'browser/components/sessionstore/TabStateFlusher.jsm')
-rw-r--r-- | browser/components/sessionstore/TabStateFlusher.jsm | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/browser/components/sessionstore/TabStateFlusher.jsm b/browser/components/sessionstore/TabStateFlusher.jsm deleted file mode 100644 index 6397efe9d..000000000 --- a/browser/components/sessionstore/TabStateFlusher.jsm +++ /dev/null @@ -1,184 +0,0 @@ -/* 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 file, - * You can obtain one at http://mozilla.org/MPL/2.0/. */ - -"use strict"; - -this.EXPORTED_SYMBOLS = ["TabStateFlusher"]; - -const Cu = Components.utils; - -Cu.import("resource://gre/modules/Promise.jsm", this); - -/** - * A module that enables async flushes. Updates from frame scripts are - * throttled to be sent only once per second. If an action wants a tab's latest - * state without waiting for a second then it can request an async flush and - * wait until the frame scripts reported back. At this point the parent has the - * latest data and the action can continue. - */ -this.TabStateFlusher = Object.freeze({ - /** - * Requests an async flush for the given browser. Returns a promise that will - * resolve when we heard back from the content process and the parent has - * all the latest data. - */ - flush(browser) { - return TabStateFlusherInternal.flush(browser); - }, - - /** - * Requests an async flush for all browsers of a given window. Returns a Promise - * that will resolve when we've heard back from all browsers. - */ - flushWindow(window) { - return TabStateFlusherInternal.flushWindow(window); - }, - - /** - * Resolves the flush request with the given flush ID. - * - * @param browser (<xul:browser>) - * The browser for which the flush is being resolved. - * @param flushID (int) - * The ID of the flush that was sent to the browser. - * @param success (bool, optional) - * Whether or not the flush succeeded. - * @param message (string, optional) - * An error message that will be sent to the Console in the - * event that a flush failed. - */ - resolve(browser, flushID, success=true, message="") { - TabStateFlusherInternal.resolve(browser, flushID, success, message); - }, - - /** - * Resolves all active flush requests for a given browser. This should be - * used when the content process crashed or the final update message was - * seen. In those cases we can't guarantee to ever hear back from the frame - * script so we just resolve all requests instead of discarding them. - * - * @param browser (<xul:browser>) - * The browser for which all flushes are being resolved. - * @param success (bool, optional) - * Whether or not the flushes succeeded. - * @param message (string, optional) - * An error message that will be sent to the Console in the - * event that the flushes failed. - */ - resolveAll(browser, success=true, message="") { - TabStateFlusherInternal.resolveAll(browser, success, message); - } -}); - -var TabStateFlusherInternal = { - // Stores the last request ID. - _lastRequestID: 0, - - // A map storing all active requests per browser. - _requests: new WeakMap(), - - /** - * Requests an async flush for the given browser. Returns a promise that will - * resolve when we heard back from the content process and the parent has - * all the latest data. - */ - flush(browser) { - let id = ++this._lastRequestID; - let mm = browser.messageManager; - mm.sendAsyncMessage("SessionStore:flush", {id}); - - // Retrieve active requests for given browser. - let permanentKey = browser.permanentKey; - let perBrowserRequests = this._requests.get(permanentKey) || new Map(); - - return new Promise(resolve => { - // Store resolve() so that we can resolve the promise later. - perBrowserRequests.set(id, resolve); - - // Update the flush requests stored per browser. - this._requests.set(permanentKey, perBrowserRequests); - }); - }, - - /** - * Requests an async flush for all browsers of a given window. Returns a Promise - * that will resolve when we've heard back from all browsers. - */ - flushWindow(window) { - let browsers = window.gBrowser.browsers; - let promises = browsers.map((browser) => this.flush(browser)); - return Promise.all(promises); - }, - - /** - * Resolves the flush request with the given flush ID. - * - * @param browser (<xul:browser>) - * The browser for which the flush is being resolved. - * @param flushID (int) - * The ID of the flush that was sent to the browser. - * @param success (bool, optional) - * Whether or not the flush succeeded. - * @param message (string, optional) - * An error message that will be sent to the Console in the - * event that a flush failed. - */ - resolve(browser, flushID, success=true, message="") { - // Nothing to do if there are no pending flushes for the given browser. - if (!this._requests.has(browser.permanentKey)) { - return; - } - - // Retrieve active requests for given browser. - let perBrowserRequests = this._requests.get(browser.permanentKey); - if (!perBrowserRequests.has(flushID)) { - return; - } - - if (!success) { - Cu.reportError("Failed to flush browser: " + message); - } - - // Resolve the request with the given id. - let resolve = perBrowserRequests.get(flushID); - perBrowserRequests.delete(flushID); - resolve(success); - }, - - /** - * Resolves all active flush requests for a given browser. This should be - * used when the content process crashed or the final update message was - * seen. In those cases we can't guarantee to ever hear back from the frame - * script so we just resolve all requests instead of discarding them. - * - * @param browser (<xul:browser>) - * The browser for which all flushes are being resolved. - * @param success (bool, optional) - * Whether or not the flushes succeeded. - * @param message (string, optional) - * An error message that will be sent to the Console in the - * event that the flushes failed. - */ - resolveAll(browser, success=true, message="") { - // Nothing to do if there are no pending flushes for the given browser. - if (!this._requests.has(browser.permanentKey)) { - return; - } - - // Retrieve active requests for given browser. - let perBrowserRequests = this._requests.get(browser.permanentKey); - - if (!success) { - Cu.reportError("Failed to flush browser: " + message); - } - - // Resolve all requests. - for (let resolve of perBrowserRequests.values()) { - resolve(success); - } - - // Clear active requests. - perBrowserRequests.clear(); - } -}; |