The Tor Browser: browser/metro/base/content/helperui/IndexedDB.js@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 /**

     6  * Helper class for IndexedDB, parent part. Listens to

     7  * messages from the child and shows prompts for them.

     8  */

     9 let IndexedDB = {

    10   _permissionsPrompt: "indexedDB-permissions-prompt",

    11   _permissionsResponse: "indexedDB-permissions-response",

    13   _quotaPrompt: "indexedDB-quota-prompt",

    14   _quotaResponse: "indexedDB-quota-response",

    15   _quotaCancel: "indexedDB-quota-cancel",

    17   _notificationIcon: "indexedDB-notification-icon",

    19   receiveMessage: function(aMessage) {

    20     switch (aMessage.name) {

    21       case "IndexedDB:Prompt":

    22         this.showPrompt(aMessage);

    23     }

    24   },

    26   showPrompt: function(aMessage) {

    27     let browser = aMessage.target;

    28     let payload = aMessage.json;

    29     let host = payload.host;

    30     let topic = payload.topic;

    31     let type;

    33     if (topic == this._permissionsPrompt) {

    34       type = "indexedDB";

    35       payload.responseTopic = this._permissionsResponse;

    36     } else if (topic == this._quotaPrompt) {

    37       type = "indexedDBQuota";

    38       payload.responseTopic = this._quotaResponse;

    39     } else if (topic == this._quotaCancel) {

    40       payload.permission = Ci.nsIPermissionManager.UNKNOWN_ACTION;

    41       browser.messageManager.sendAsyncMessage("IndexedDB:Response", payload);

    42       // XXX Need to actually save this?

    43       return;

    44     }

    46     let prompt = Cc["@mozilla.org/content-permission/prompt;1"].createInstance(Ci.nsIContentPermissionPrompt);

    47     let types = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);

    48     let promptType = {

    49       type: type,

    50       access: "unused",

    51       QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPermissionType])

    52     };

    53     types.appendElement(promptType, false);

    55     // If the user waits a long time before responding, we default to UNKNOWN_ACTION.

    56     let timeoutId = setTimeout(function() {

    57       payload.permission = Ci.nsIPermissionManager.UNKNOWN_ACTION;

    58       browser.messageManager.sendAsyncMessage("IndexedDB:Response", payload);

    59       timeoutId = null;

    60     }, 30000);

    62     function checkTimeout() {

    63       if (timeoutId === null) return true;

    64       clearTimeout(timeoutId);

    65       timeoutId = null;

    66       return false;

    67     }

    69     prompt.prompt({

    70       types: types,

    71       uri: Services.io.newURI(payload.location, null, null),

    72       window: null,

    73       element: aMessage.target,

    75       cancel: function() {

    76         if (checkTimeout()) return;

    77         payload.permission = Ci.nsIPermissionManager.DENY_ACTION;

    78         browser.messageManager.sendAsyncMessage("IndexedDB:Response", payload);

    79       },

    81       allow: function() {

    82         if (checkTimeout()) return;

    83         payload.permission = Ci.nsIPermissionManager.ALLOW_ACTION;

    84         browser.messageManager.sendAsyncMessage("IndexedDB:Response", payload);

    85       },

    86     });

    87   },

    88 };

The Tor Browser / file revision