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author | Matt A. Tobin <email@mattatobin.com> | 2018-02-02 05:06:10 -0500 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2018-02-02 05:06:10 -0500 |
commit | 6d614170cbfa958564eb5f824234ad5a9e484344 (patch) | |
tree | 3e1eb384382f30987cb2e64bd654afa8b74fd06b /application/basilisk/components/downloads/DownloadsTaskbar.jsm | |
parent | 2a6b605d64b19411a300efdbbd7f78c349f90206 (diff) | |
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Revert "Add Basilisk"
This reverts commit e72ef92b5bdc43cd2584198e2e54e951b70299e8.
Diffstat (limited to 'application/basilisk/components/downloads/DownloadsTaskbar.jsm')
-rw-r--r-- | application/basilisk/components/downloads/DownloadsTaskbar.jsm | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/application/basilisk/components/downloads/DownloadsTaskbar.jsm b/application/basilisk/components/downloads/DownloadsTaskbar.jsm deleted file mode 100644 index 6b340c278..000000000 --- a/application/basilisk/components/downloads/DownloadsTaskbar.jsm +++ /dev/null @@ -1,177 +0,0 @@ -/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ -/* vim: set ts=2 et sw=2 tw=80 filetype=javascript: */ -/* 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/. */ - -/** - * Handles the download progress indicator in the taskbar. - */ - -"use strict"; - -this.EXPORTED_SYMBOLS = [ - "DownloadsTaskbar", -]; - -//////////////////////////////////////////////////////////////////////////////// -//// Globals - -const Cc = Components.classes; -const Ci = Components.interfaces; -const Cu = Components.utils; -const Cr = Components.results; - -Cu.import("resource://gre/modules/XPCOMUtils.jsm"); - -XPCOMUtils.defineLazyModuleGetter(this, "Downloads", - "resource://gre/modules/Downloads.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow", - "resource:///modules/RecentWindow.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "Services", - "resource://gre/modules/Services.jsm"); - -XPCOMUtils.defineLazyGetter(this, "gWinTaskbar", function () { - if (!("@mozilla.org/windows-taskbar;1" in Cc)) { - return null; - } - let winTaskbar = Cc["@mozilla.org/windows-taskbar;1"] - .getService(Ci.nsIWinTaskbar); - return winTaskbar.available && winTaskbar; -}); - -XPCOMUtils.defineLazyGetter(this, "gMacTaskbarProgress", function () { - return ("@mozilla.org/widget/macdocksupport;1" in Cc) && - Cc["@mozilla.org/widget/macdocksupport;1"] - .getService(Ci.nsITaskbarProgress); -}); - -//////////////////////////////////////////////////////////////////////////////// -//// DownloadsTaskbar - -/** - * Handles the download progress indicator in the taskbar. - */ -this.DownloadsTaskbar = { - /** - * Underlying DownloadSummary providing the aggregate download information, or - * null if the indicator has never been initialized. - */ - _summary: null, - - /** - * nsITaskbarProgress object to which download information is dispatched. - * This can be null if the indicator has never been initialized or if the - * indicator is currently hidden on Windows. - */ - _taskbarProgress: null, - - /** - * This method is called after a new browser window is opened, and ensures - * that the download progress indicator is displayed in the taskbar. - * - * On Windows, the indicator is attached to the first browser window that - * calls this method. When the window is closed, the indicator is moved to - * another browser window, if available, in no particular order. When there - * are no browser windows visible, the indicator is hidden. - * - * On Mac OS X, the indicator is initialized globally when this method is - * called for the first time. Subsequent calls have no effect. - * - * @param aBrowserWindow - * nsIDOMWindow object of the newly opened browser window to which the - * indicator may be attached. - */ - registerIndicator(aBrowserWindow) { - if (!this._taskbarProgress) { - if (gMacTaskbarProgress) { - // On Mac OS X, we have to register the global indicator only once. - this._taskbarProgress = gMacTaskbarProgress; - // Free the XPCOM reference on shutdown, to prevent detecting a leak. - Services.obs.addObserver(() => { - this._taskbarProgress = null; - gMacTaskbarProgress = null; - }, "quit-application-granted", false); - } else if (gWinTaskbar) { - // On Windows, the indicator is currently hidden because we have no - // previous browser window, thus we should attach the indicator now. - this._attachIndicator(aBrowserWindow); - } else { - // The taskbar indicator is not available on this platform. - return; - } - } - - // Ensure that the DownloadSummary object will be created asynchronously. - if (!this._summary) { - Downloads.getSummary(Downloads.ALL).then(summary => { - // In case the method is re-entered, we simply ignore redundant - // invocations of the callback, instead of keeping separate state. - if (this._summary) { - return; - } - this._summary = summary; - return this._summary.addView(this); - }).then(null, Cu.reportError); - } - }, - - /** - * On Windows, attaches the taskbar indicator to the specified browser window. - */ - _attachIndicator(aWindow) { - // Activate the indicator on the specified window. - let docShell = aWindow.QueryInterface(Ci.nsIInterfaceRequestor) - .getInterface(Ci.nsIWebNavigation) - .QueryInterface(Ci.nsIDocShellTreeItem).treeOwner - .QueryInterface(Ci.nsIInterfaceRequestor) - .getInterface(Ci.nsIXULWindow).docShell; - this._taskbarProgress = gWinTaskbar.getTaskbarProgress(docShell); - - // If the DownloadSummary object has already been created, we should update - // the state of the new indicator, otherwise it will be updated as soon as - // the DownloadSummary view is registered. - if (this._summary) { - this.onSummaryChanged(); - } - - aWindow.addEventListener("unload", () => { - // Locate another browser window, excluding the one being closed. - let browserWindow = RecentWindow.getMostRecentBrowserWindow(); - if (browserWindow) { - // Move the progress indicator to the other browser window. - this._attachIndicator(browserWindow); - } else { - // The last browser window has been closed. We remove the reference to - // the taskbar progress object so that the indicator will be registered - // again on the next browser window that is opened. - this._taskbarProgress = null; - } - }); - }, - - ////////////////////////////////////////////////////////////////////////////// - //// DownloadSummary view - - onSummaryChanged() { - // If the last browser window has been closed, we have no indicator any more. - if (!this._taskbarProgress) { - return; - } - - if (this._summary.allHaveStopped || this._summary.progressTotalBytes == 0) { - this._taskbarProgress.setProgressState( - Ci.nsITaskbarProgress.STATE_NO_PROGRESS, 0, 0); - } else { - // For a brief moment before completion, some download components may - // report more transferred bytes than the total number of bytes. Thus, - // ensure that we never break the expectations of the progress indicator. - let progressCurrentBytes = Math.min(this._summary.progressTotalBytes, - this._summary.progressCurrentBytes); - this._taskbarProgress.setProgressState( - Ci.nsITaskbarProgress.STATE_NORMAL, - progressCurrentBytes, - this._summary.progressTotalBytes); - } - }, -}; |