michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /**
michael@0:  * Helper class for IndexedDB, parent part. Listens to
michael@0:  * messages from the child and shows prompts for them.
michael@0:  */
michael@0: let IndexedDB = {
michael@0:   _permissionsPrompt: "indexedDB-permissions-prompt",
michael@0:   _permissionsResponse: "indexedDB-permissions-response",
michael@0: 
michael@0:   _quotaPrompt: "indexedDB-quota-prompt",
michael@0:   _quotaResponse: "indexedDB-quota-response",
michael@0:   _quotaCancel: "indexedDB-quota-cancel",
michael@0: 
michael@0:   _notificationIcon: "indexedDB-notification-icon",
michael@0: 
michael@0:   receiveMessage: function(aMessage) {
michael@0:     switch (aMessage.name) {
michael@0:       case "IndexedDB:Prompt":
michael@0:         this.showPrompt(aMessage);
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   showPrompt: function(aMessage) {
michael@0:     let browser = aMessage.target;
michael@0:     let payload = aMessage.json;
michael@0:     let host = payload.host;
michael@0:     let topic = payload.topic;
michael@0:     let type;
michael@0: 
michael@0:     if (topic == this._permissionsPrompt) {
michael@0:       type = "indexedDB";
michael@0:       payload.responseTopic = this._permissionsResponse;
michael@0:     } else if (topic == this._quotaPrompt) {
michael@0:       type = "indexedDBQuota";
michael@0:       payload.responseTopic = this._quotaResponse;
michael@0:     } else if (topic == this._quotaCancel) {
michael@0:       payload.permission = Ci.nsIPermissionManager.UNKNOWN_ACTION;
michael@0:       browser.messageManager.sendAsyncMessage("IndexedDB:Response", payload);
michael@0:       // XXX Need to actually save this?
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     let prompt = Cc["@mozilla.org/content-permission/prompt;1"].createInstance(Ci.nsIContentPermissionPrompt);
michael@0:     let types = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);
michael@0:     let promptType = {
michael@0:       type: type,
michael@0:       access: "unused",
michael@0:       QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPermissionType])
michael@0:     };
michael@0:     types.appendElement(promptType, false);
michael@0: 
michael@0:     // If the user waits a long time before responding, we default to UNKNOWN_ACTION.
michael@0:     let timeoutId = setTimeout(function() {
michael@0:       payload.permission = Ci.nsIPermissionManager.UNKNOWN_ACTION;
michael@0:       browser.messageManager.sendAsyncMessage("IndexedDB:Response", payload);
michael@0:       timeoutId = null;
michael@0:     }, 30000);
michael@0:  
michael@0:     function checkTimeout() {
michael@0:       if (timeoutId === null) return true;
michael@0:       clearTimeout(timeoutId);
michael@0:       timeoutId = null;
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     prompt.prompt({
michael@0:       types: types,
michael@0:       uri: Services.io.newURI(payload.location, null, null),
michael@0:       window: null,
michael@0:       element: aMessage.target,
michael@0: 
michael@0:       cancel: function() {
michael@0:         if (checkTimeout()) return;
michael@0:         payload.permission = Ci.nsIPermissionManager.DENY_ACTION;
michael@0:         browser.messageManager.sendAsyncMessage("IndexedDB:Response", payload);
michael@0:       },
michael@0: 
michael@0:       allow: function() {
michael@0:         if (checkTimeout()) return;
michael@0:         payload.permission = Ci.nsIPermissionManager.ALLOW_ACTION;
michael@0:         browser.messageManager.sendAsyncMessage("IndexedDB:Response", payload);
michael@0:       },
michael@0:     });
michael@0:   },
michael@0: };
michael@0: