зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
4.4 KiB
JavaScript
119 строки
4.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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const UNKNOWN_FAIL = ["geolocation", "desktop-notification"];
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://webapprt/modules/WebappRT.jsm");
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function ContentPermission() {}
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ContentPermission.prototype = {
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classID: Components.ID("{07ef5b2e-88fb-47bd-8cec-d3b0bef11ac4}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPermissionPrompt]),
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_getChromeWindow: function(aWindow) {
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return aWindow
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.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebNavigation)
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.QueryInterface(Ci.nsIDocShellTreeItem)
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.rootTreeItem
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.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindow)
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.QueryInterface(Ci.nsIDOMChromeWindow);
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},
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prompt: function(request) {
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// Only allow exactly one permission rquest here.
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let types = request.types.QueryInterface(Ci.nsIArray);
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if (types.length != 1) {
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request.cancel();
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return;
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}
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let perm = types.queryElementAt(0, Ci.nsIContentPermissionType);
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// Reuse any remembered permission preferences
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let result =
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Services.perms.testExactPermissionFromPrincipal(request.principal,
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perm.type);
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// We used to use the name "geo" for the geolocation permission, now we're
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// using "geolocation". We need to check both to support existing
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// installations.
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if ((result == Ci.nsIPermissionManager.UNKNOWN_ACTION ||
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result == Ci.nsIPermissionManager.PROMPT_ACTION) &&
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perm.type == "geolocation") {
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let geoResult = Services.perms.testExactPermission(request.principal.URI,
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"geo");
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// We override the result only if the "geo" permission was allowed or
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// denied.
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if (geoResult == Ci.nsIPermissionManager.ALLOW_ACTION ||
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geoResult == Ci.nsIPermissionManager.DENY_ACTION) {
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result = geoResult;
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}
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}
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if (result == Ci.nsIPermissionManager.ALLOW_ACTION) {
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request.allow();
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return;
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} else if (result == Ci.nsIPermissionManager.DENY_ACTION ||
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(result == Ci.nsIPermissionManager.UNKNOWN_ACTION &&
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UNKNOWN_FAIL.indexOf(perm.type) >= 0)) {
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request.cancel();
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return;
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}
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// Display a prompt at the top level
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let {name} = WebappRT.localeManifest;
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let requestingWindow = request.window.top;
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let chromeWin = this._getChromeWindow(requestingWindow);
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let bundle = Services.strings.createBundle("chrome://webapprt/locale/webapp.properties");
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// Construct a prompt with share/don't and remember checkbox
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let remember = {value: false};
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let choice = Services.prompt.confirmEx(
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chromeWin,
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bundle.formatStringFromName(perm.type + ".title", [name], 1),
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bundle.GetStringFromName(perm.type + ".description"),
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// Set both buttons to strings with the cancel button being default
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Ci.nsIPromptService.BUTTON_POS_1_DEFAULT |
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Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_0 |
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Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_1,
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bundle.GetStringFromName(perm.type + ".allow"),
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bundle.GetStringFromName(perm.type + ".deny"),
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null,
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bundle.GetStringFromName(perm.type + ".remember"),
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remember);
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let action = Ci.nsIPermissionManager.ALLOW_ACTION;
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if (choice != 0) {
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action = Ci.nsIPermissionManager.DENY_ACTION;
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}
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if (remember.value) {
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// Persist the choice if the user wants to remember
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Services.perms.addFromPrincipal(request.principal, perm.type, action);
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} else {
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// Otherwise allow the permission for the current session
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Services.perms.addFromPrincipal(request.principal, perm.type, action,
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Ci.nsIPermissionManager.EXPIRE_SESSION);
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}
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// Trigger the selected choice
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if (choice == 0) {
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request.allow();
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}
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else {
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request.cancel();
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}
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}
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentPermission]);
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