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authorMatt A. Tobin <email@mattatobin.com>2019-12-14 14:37:24 -0500
committerMatt A. Tobin <email@mattatobin.com>2019-12-14 14:37:24 -0500
commit4e34c57467a8d38d593c6fbb7c0d63c3257e99f0 (patch)
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parentdacb3da00bd17e69f1a8f1080668808a5f3fe431 (diff)
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Remove Pale Moon from the Unified XUL Platform repository
Development will proceed at https://github.com/MoonchildProductions/Pale-Moon
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diff --git a/application/palemoon/modules/NetworkPrioritizer.jsm b/application/palemoon/modules/NetworkPrioritizer.jsm
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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
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/*
- * This module adjusts network priority for tabs in a way that gives 'important'
- * tabs a higher priority. There are 3 levels of priority. Each is listed below
- * with the priority adjustment used.
- *
- * Highest (-10): Selected tab in the focused window.
- * Medium (0): Background tabs in the focused window.
- * Selected tab in background windows.
- * Lowest (+10): Background tabs in background windows.
- */
-
-this.EXPORTED_SYMBOLS = ["trackBrowserWindow"];
-
-const Ci = Components.interfaces;
-
-Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
-
-
-// Lazy getters
-XPCOMUtils.defineLazyServiceGetter(this, "_focusManager",
- "@mozilla.org/focus-manager;1",
- "nsIFocusManager");
-
-
-// Constants
-const TAB_EVENTS = ["TabOpen", "TabSelect"];
-const WINDOW_EVENTS = ["activate", "unload"];
-// PRIORITY DELTA is -10 because lower priority value is actually a higher priority
-const PRIORITY_DELTA = -10;
-
-
-// Variables
-var _lastFocusedWindow = null;
-var _windows = [];
-
-
-// Exported symbol
-this.trackBrowserWindow = function trackBrowserWindow(aWindow) {
- WindowHelper.addWindow(aWindow);
-}
-
-
-// Global methods
-function _handleEvent(aEvent) {
- switch (aEvent.type) {
- case "TabOpen":
- BrowserHelper.onOpen(aEvent.target.linkedBrowser);
- break;
- case "TabSelect":
- BrowserHelper.onSelect(aEvent.target.linkedBrowser);
- break;
- case "activate":
- WindowHelper.onActivate(aEvent.target);
- break;
- case "unload":
- WindowHelper.removeWindow(aEvent.currentTarget);
- break;
- }
-}
-
-
-// Methods that impact a browser. Put into single object for organization.
-var BrowserHelper = {
- onOpen: function NP_BH_onOpen(aBrowser) {
- // If the tab is in the focused window, leave priority as it is
- if (aBrowser.ownerDocument.defaultView != _lastFocusedWindow)
- this.decreasePriority(aBrowser);
- },
-
- onSelect: function NP_BH_onSelect(aBrowser) {
- let windowEntry = WindowHelper.getEntry(aBrowser.ownerDocument.defaultView);
- if (windowEntry.lastSelectedBrowser)
- this.decreasePriority(windowEntry.lastSelectedBrowser);
- this.increasePriority(aBrowser);
-
- windowEntry.lastSelectedBrowser = aBrowser;
- },
-
- increasePriority: function NP_BH_increasePriority(aBrowser) {
- aBrowser.adjustPriority(PRIORITY_DELTA);
- },
-
- decreasePriority: function NP_BH_decreasePriority(aBrowser) {
- aBrowser.adjustPriority(PRIORITY_DELTA * -1);
- }
-};
-
-
-// Methods that impact a window. Put into single object for organization.
-var WindowHelper = {
- addWindow: function NP_WH_addWindow(aWindow) {
- // Build internal data object
- _windows.push({ window: aWindow, lastSelectedBrowser: null });
-
- // Add event listeners
- TAB_EVENTS.forEach(function(event) {
- aWindow.gBrowser.tabContainer.addEventListener(event, _handleEvent, false);
- });
- WINDOW_EVENTS.forEach(function(event) {
- aWindow.addEventListener(event, _handleEvent, false);
- });
-
- // This gets called AFTER activate event, so if this is the focused window
- // we want to activate it. Otherwise, deprioritize it.
- if (aWindow == _focusManager.activeWindow)
- this.handleFocusedWindow(aWindow);
- else
- this.decreasePriority(aWindow);
-
- // Select the selected tab
- BrowserHelper.onSelect(aWindow.gBrowser.selectedBrowser);
- },
-
- removeWindow: function NP_WH_removeWindow(aWindow) {
- if (aWindow == _lastFocusedWindow)
- _lastFocusedWindow = null;
-
- // Delete this window from our tracking
- _windows.splice(this.getEntryIndex(aWindow), 1);
-
- // Remove the event listeners
- TAB_EVENTS.forEach(function(event) {
- aWindow.gBrowser.tabContainer.removeEventListener(event, _handleEvent, false);
- });
- WINDOW_EVENTS.forEach(function(event) {
- aWindow.removeEventListener(event, _handleEvent, false);
- });
- },
-
- onActivate: function NP_WH_onActivate(aWindow, aHasFocus) {
- // If this window was the last focused window, we don't need to do anything
- if (aWindow == _lastFocusedWindow)
- return;
-
- // handleFocusedWindow will deprioritize the current window
- this.handleFocusedWindow(aWindow);
-
- // Lastly we should increase priority for this window
- this.increasePriority(aWindow);
- },
-
- handleFocusedWindow: function NP_WH_handleFocusedWindow(aWindow) {
- // If we have a last focused window, we need to deprioritize it first
- if (_lastFocusedWindow)
- this.decreasePriority(_lastFocusedWindow);
-
- // aWindow is now focused
- _lastFocusedWindow = aWindow;
- },
-
- // Auxiliary methods
- increasePriority: function NP_WH_increasePriority(aWindow) {
- aWindow.gBrowser.browsers.forEach(function(aBrowser) {
- BrowserHelper.increasePriority(aBrowser);
- });
- },
-
- decreasePriority: function NP_WH_decreasePriority(aWindow) {
- aWindow.gBrowser.browsers.forEach(function(aBrowser) {
- BrowserHelper.decreasePriority(aBrowser);
- });
- },
-
- getEntry: function NP_WH_getEntry(aWindow) {
- return _windows[this.getEntryIndex(aWindow)];
- },
-
- getEntryIndex: function NP_WH_getEntryAtIndex(aWindow) {
- // Assumes that every object has a unique window & it's in the array
- for (let i = 0; i < _windows.length; i++)
- if (_windows[i].window == aWindow)
- return i;
- }
-};
-