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Diffstat (limited to 'application/palemoon/modules/FormSubmitObserver.jsm')
| -rw-r--r-- | application/palemoon/modules/FormSubmitObserver.jsm | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/application/palemoon/modules/FormSubmitObserver.jsm b/application/palemoon/modules/FormSubmitObserver.jsm deleted file mode 100644 index 6b2ea3c84..000000000 --- a/application/palemoon/modules/FormSubmitObserver.jsm +++ /dev/null @@ -1,235 +0,0 @@ -/* 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 validation callback from nsIFormFillController and - * the display of the help panel on invalid elements. - */ - -"use strict"; - -var Cc = Components.classes; -var Ci = Components.interfaces; -var Cu = Components.utils; - -var HTMLInputElement = Ci.nsIDOMHTMLInputElement; -var HTMLTextAreaElement = Ci.nsIDOMHTMLTextAreaElement; -var HTMLSelectElement = Ci.nsIDOMHTMLSelectElement; -var HTMLButtonElement = Ci.nsIDOMHTMLButtonElement; - -this.EXPORTED_SYMBOLS = [ "FormSubmitObserver" ]; - -Cu.import("resource://gre/modules/XPCOMUtils.jsm"); -Cu.import("resource://gre/modules/Services.jsm"); -Cu.import("resource://gre/modules/BrowserUtils.jsm"); - -function FormSubmitObserver(aWindow, aTabChildGlobal) { - this.init(aWindow, aTabChildGlobal); -} - -FormSubmitObserver.prototype = -{ - _validationMessage: "", - _content: null, - _element: null, - - /* - * Public apis - */ - - init: function(aWindow, aTabChildGlobal) - { - this._content = aWindow; - this._tab = aTabChildGlobal; - this._mm = - this._content.QueryInterface(Ci.nsIInterfaceRequestor) - .getInterface(Ci.nsIDocShell) - .sameTypeRootTreeItem - .QueryInterface(Ci.nsIDocShell) - .QueryInterface(Ci.nsIInterfaceRequestor) - .getInterface(Ci.nsIContentFrameMessageManager); - - // nsIFormSubmitObserver callback about invalid forms. See HTMLFormElement - // for details. - Services.obs.addObserver(this, "invalidformsubmit", false); - this._tab.addEventListener("pageshow", this, false); - this._tab.addEventListener("unload", this, false); - }, - - uninit: function() - { - Services.obs.removeObserver(this, "invalidformsubmit"); - this._content.removeEventListener("pageshow", this, false); - this._content.removeEventListener("unload", this, false); - this._mm = null; - this._element = null; - this._content = null; - this._tab = null; - }, - - /* - * Events - */ - - handleEvent: function (aEvent) { - switch (aEvent.type) { - case "pageshow": - if (this._isRootDocumentEvent(aEvent)) { - this._hidePopup(); - } - break; - case "unload": - this.uninit(); - break; - case "input": - this._onInput(aEvent); - break; - case "blur": - this._onBlur(aEvent); - break; - } - }, - - /* - * nsIFormSubmitObserver - */ - - notifyInvalidSubmit : function (aFormElement, aInvalidElements) - { - // We are going to handle invalid form submission attempt by focusing the - // first invalid element and show the corresponding validation message in a - // panel attached to the element. - if (!aInvalidElements.length) { - return; - } - - // Ensure that this is the FormSubmitObserver associated with the - // element / window this notification is about. - let element = aInvalidElements.queryElementAt(0, Ci.nsISupports); - if (this._content != element.ownerGlobal.top.document.defaultView) { - return; - } - - if (!(element instanceof HTMLInputElement || - element instanceof HTMLTextAreaElement || - element instanceof HTMLSelectElement || - element instanceof HTMLButtonElement)) { - return; - } - - // Update validation message before showing notification - this._validationMessage = element.validationMessage; - - // Don't connect up to the same element more than once. - if (this._element == element) { - this._showPopup(element); - return; - } - this._element = element; - - element.focus(); - - // Watch for input changes which may change the validation message. - element.addEventListener("input", this, false); - - // Watch for focus changes so we can disconnect our listeners and - // hide the popup. - element.addEventListener("blur", this, false); - - this._showPopup(element); - }, - - /* - * Internal - */ - - /* - * Handles input changes on the form element we've associated a popup - * with. Updates the validation message or closes the popup if form data - * becomes valid. - */ - _onInput: function (aEvent) { - let element = aEvent.originalTarget; - - // If the form input is now valid, hide the popup. - if (element.validity.valid) { - this._hidePopup(); - return; - } - - // If the element is still invalid for a new reason, we should update - // the popup error message. - if (this._validationMessage != element.validationMessage) { - this._validationMessage = element.validationMessage; - this._showPopup(element); - } - }, - - /* - * Blur event handler in which we disconnect from the form element and - * hide the popup. - */ - _onBlur: function (aEvent) { - aEvent.originalTarget.removeEventListener("input", this, false); - aEvent.originalTarget.removeEventListener("blur", this, false); - this._element = null; - this._hidePopup(); - }, - - /* - * Send the show popup message to chrome with appropriate position - * information. Can be called repetitively to update the currently - * displayed popup position and text. - */ - _showPopup: function (aElement) { - // Collect positional information and show the popup - let panelData = {}; - - panelData.message = this._validationMessage; - - // Note, this is relative to the browser and needs to be translated - // in chrome. - panelData.contentRect = BrowserUtils.getElementBoundingRect(aElement); - - // We want to show the popup at the middle of checkbox and radio buttons - // and where the content begin for the other elements. - let offset = 0; - - if (aElement.tagName == 'INPUT' && - (aElement.type == 'radio' || aElement.type == 'checkbox')) { - panelData.position = "bottomcenter topleft"; - } else { - let win = aElement.ownerGlobal; - let style = win.getComputedStyle(aElement, null); - if (style.direction == 'rtl') { - offset = parseInt(style.paddingRight) + parseInt(style.borderRightWidth); - } else { - offset = parseInt(style.paddingLeft) + parseInt(style.borderLeftWidth); - } - let zoomFactor = this._getWindowUtils().fullZoom; - panelData.offset = Math.round(offset * zoomFactor); - panelData.position = "after_start"; - } - this._mm.sendAsyncMessage("FormValidation:ShowPopup", panelData); - }, - - _hidePopup: function () { - this._mm.sendAsyncMessage("FormValidation:HidePopup", {}); - }, - - _getWindowUtils: function () { - return this._content.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils); - }, - - _isRootDocumentEvent: function (aEvent) { - if (this._content == null) { - return true; - } - let target = aEvent.originalTarget; - return (target == this._content.document || - (target.ownerDocument && target.ownerDocument == this._content.document)); - }, - - QueryInterface : XPCOMUtils.generateQI([Ci.nsIFormSubmitObserver]) -}; |