зеркало из https://github.com/mozilla/pjs.git
772 строки
24 KiB
C++
772 строки
24 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mats Palmgren <matspal@gmail.com>
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* Geoff Lankow <geoff@darktrojan.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsFileControlFrame.h"
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#include "nsIContent.h"
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#include "prtypes.h"
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#include "nsIAtom.h"
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#include "nsPresContext.h"
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#include "nsGkAtoms.h"
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#include "nsWidgetsCID.h"
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#include "nsIComponentManager.h"
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#include "nsHTMLParts.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsIFormControl.h"
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#include "nsINameSpaceManager.h"
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#include "nsCOMPtr.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMDocument.h"
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#include "nsIDocument.h"
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#include "nsIPresShell.h"
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#include "nsXPCOM.h"
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#include "nsISupportsPrimitives.h"
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#include "nsIComponentManager.h"
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#include "nsPIDOMWindow.h"
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#include "nsIFilePicker.h"
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#include "nsIDOMMouseEvent.h"
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#include "nsINodeInfo.h"
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#include "nsIDOMEventTarget.h"
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#include "nsILocalFile.h"
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#include "nsHTMLInputElement.h"
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#include "nsNodeInfoManager.h"
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#include "nsContentCreatorFunctions.h"
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#include "nsContentUtils.h"
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#include "nsDisplayList.h"
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#include "nsIDOMNSEvent.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsEventListenerManager.h"
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#ifdef ACCESSIBILITY
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#include "nsAccessibilityService.h"
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#endif
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#include "nsInterfaceHashtable.h"
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#include "nsURIHashKey.h"
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#include "nsILocalFile.h"
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#include "nsNetCID.h"
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#include "nsWeakReference.h"
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#include "nsIVariant.h"
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#include "mozilla/Services.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsHTMLInputElement.h"
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#include "nsICapturePicker.h"
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#include "nsIFileURL.h"
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#include "nsDOMFile.h"
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#include "nsEventStates.h"
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#include "nsTextControlFrame.h"
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#include "nsIDOMDOMStringList.h"
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#include "nsIDOMDragEvent.h"
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namespace dom = mozilla::dom;
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#define SYNC_TEXT 0x1
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#define SYNC_BUTTON 0x2
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nsIFrame*
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NS_NewFileControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
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{
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return new (aPresShell) nsFileControlFrame(aContext);
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsFileControlFrame)
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nsFileControlFrame::nsFileControlFrame(nsStyleContext* aContext):
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nsBlockFrame(aContext)
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{
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AddStateBits(NS_BLOCK_FLOAT_MGR);
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}
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NS_IMETHODIMP
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nsFileControlFrame::Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow)
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{
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nsresult rv = nsBlockFrame::Init(aContent, aParent, aPrevInFlow);
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NS_ENSURE_SUCCESS(rv, rv);
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mMouseListener = new BrowseMouseListener(this);
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NS_ENSURE_TRUE(mMouseListener, NS_ERROR_OUT_OF_MEMORY);
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mCaptureMouseListener = new CaptureMouseListener(this);
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NS_ENSURE_TRUE(mCaptureMouseListener, NS_ERROR_OUT_OF_MEMORY);
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return rv;
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}
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void
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nsFileControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
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{
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ENSURE_TRUE(mContent);
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// Remove the drag events
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if (mContent) {
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mContent->RemoveSystemEventListener(NS_LITERAL_STRING("drop"),
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mMouseListener, false);
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mContent->RemoveSystemEventListener(NS_LITERAL_STRING("dragover"),
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mMouseListener, false);
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}
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// remove mMouseListener as a mouse event listener (bug 40533, bug 355931)
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nsContentUtils::DestroyAnonymousContent(&mCapture);
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if (mBrowse) {
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mBrowse->RemoveSystemEventListener(NS_LITERAL_STRING("click"),
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mMouseListener, false);
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}
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nsContentUtils::DestroyAnonymousContent(&mBrowse);
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if (mTextContent) {
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mTextContent->RemoveSystemEventListener(NS_LITERAL_STRING("click"),
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mMouseListener, false);
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}
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nsContentUtils::DestroyAnonymousContent(&mTextContent);
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mCaptureMouseListener->ForgetFrame();
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mMouseListener->ForgetFrame();
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nsBlockFrame::DestroyFrom(aDestructRoot);
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}
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struct CaptureCallbackData {
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nsICapturePicker* picker;
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PRUint32* mode;
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};
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typedef struct CaptureCallbackData CaptureCallbackData;
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bool CapturePickerAcceptCallback(const nsAString& aAccept, void* aClosure)
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{
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nsresult rv;
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bool captureEnabled;
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CaptureCallbackData* closure = (CaptureCallbackData*)aClosure;
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if (StringBeginsWith(aAccept,
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NS_LITERAL_STRING("image/"))) {
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rv = closure->picker->ModeMayBeAvailable(nsICapturePicker::MODE_STILL,
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&captureEnabled);
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NS_ENSURE_SUCCESS(rv, true);
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if (captureEnabled) {
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*closure->mode = nsICapturePicker::MODE_STILL;
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return false;
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}
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} else if (StringBeginsWith(aAccept,
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NS_LITERAL_STRING("audio/"))) {
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rv = closure->picker->ModeMayBeAvailable(nsICapturePicker::MODE_AUDIO_CLIP,
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&captureEnabled);
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NS_ENSURE_SUCCESS(rv, true);
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if (captureEnabled) {
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*closure->mode = nsICapturePicker::MODE_AUDIO_CLIP;
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return false;
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}
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} else if (StringBeginsWith(aAccept,
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NS_LITERAL_STRING("video/"))) {
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rv = closure->picker->ModeMayBeAvailable(nsICapturePicker::MODE_VIDEO_CLIP,
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&captureEnabled);
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NS_ENSURE_SUCCESS(rv, true);
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if (captureEnabled) {
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*closure->mode = nsICapturePicker::MODE_VIDEO_CLIP;
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return false;
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}
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rv = closure->picker->ModeMayBeAvailable(nsICapturePicker::MODE_VIDEO_NO_SOUND_CLIP,
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&captureEnabled);
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NS_ENSURE_SUCCESS(rv, true);
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if (captureEnabled) {
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*closure->mode = nsICapturePicker::MODE_VIDEO_NO_SOUND_CLIP;
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return false;
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}
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}
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return true;
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}
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nsresult
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nsFileControlFrame::CreateAnonymousContent(nsTArray<ContentInfo>& aElements)
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{
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// Get the NodeInfoManager and tag necessary to create input elements
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nsCOMPtr<nsIDocument> doc = mContent->GetDocument();
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nsCOMPtr<nsINodeInfo> nodeInfo;
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nodeInfo = doc->NodeInfoManager()->GetNodeInfo(nsGkAtoms::input, nsnull,
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kNameSpaceID_XHTML,
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nsIDOMNode::ELEMENT_NODE);
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// Create the text content
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NS_NewHTMLElement(getter_AddRefs(mTextContent), nodeInfo.forget(),
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dom::NOT_FROM_PARSER);
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if (!mTextContent)
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return NS_ERROR_OUT_OF_MEMORY;
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// Mark the element to be native anonymous before setting any attributes.
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mTextContent->SetNativeAnonymous();
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mTextContent->SetAttr(kNameSpaceID_None, nsGkAtoms::type,
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NS_LITERAL_STRING("text"), false);
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nsHTMLInputElement* inputElement =
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nsHTMLInputElement::FromContent(mContent);
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NS_ASSERTION(inputElement, "Why is our content not a <input>?");
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// Initialize value when we create the content in case the value was set
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// before we got here
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nsAutoString value;
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inputElement->GetDisplayFileName(value);
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nsCOMPtr<nsIDOMHTMLInputElement> textControl = do_QueryInterface(mTextContent);
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NS_ASSERTION(textControl, "Why is the <input> we created not a <input>?");
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textControl->SetValue(value);
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textControl->SetTabIndex(-1);
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textControl->SetReadOnly(true);
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if (!aElements.AppendElement(mTextContent))
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return NS_ERROR_OUT_OF_MEMORY;
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// Register the whole frame as an event listener of drag events
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mContent->AddSystemEventListener(NS_LITERAL_STRING("drop"),
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mMouseListener, false);
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mContent->AddSystemEventListener(NS_LITERAL_STRING("dragover"),
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mMouseListener, false);
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// Register as an event listener of the textbox
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// to open file dialog on mouse click
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mTextContent->AddSystemEventListener(NS_LITERAL_STRING("click"),
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mMouseListener, false);
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// Create the browse button
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nodeInfo = doc->NodeInfoManager()->GetNodeInfo(nsGkAtoms::input, nsnull,
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kNameSpaceID_XHTML,
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nsIDOMNode::ELEMENT_NODE);
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NS_NewHTMLElement(getter_AddRefs(mBrowse), nodeInfo.forget(),
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dom::NOT_FROM_PARSER);
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if (!mBrowse)
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return NS_ERROR_OUT_OF_MEMORY;
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// Mark the element to be native anonymous before setting any attributes.
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mBrowse->SetNativeAnonymous();
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mBrowse->SetAttr(kNameSpaceID_None, nsGkAtoms::type,
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NS_LITERAL_STRING("button"), false);
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// Create the capture button
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nsCOMPtr<nsICapturePicker> capturePicker;
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capturePicker = do_GetService("@mozilla.org/capturepicker;1");
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if (capturePicker) {
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PRUint32 mode = 0;
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CaptureCallbackData data;
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data.picker = capturePicker;
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data.mode = &mode;
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ParseAcceptAttribute(&CapturePickerAcceptCallback, (void*)&data);
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if (mode != 0) {
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mCaptureMouseListener->mMode = mode;
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nodeInfo = doc->NodeInfoManager()->GetNodeInfo(nsGkAtoms::input, nsnull,
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kNameSpaceID_XHTML,
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nsIDOMNode::ELEMENT_NODE);
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NS_NewHTMLElement(getter_AddRefs(mCapture), nodeInfo.forget(),
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dom::NOT_FROM_PARSER);
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if (!mCapture)
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return NS_ERROR_OUT_OF_MEMORY;
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// Mark the element to be native anonymous before setting any attributes.
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mCapture->SetNativeAnonymous();
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mCapture->SetAttr(kNameSpaceID_None, nsGkAtoms::type,
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NS_LITERAL_STRING("button"), false);
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mCapture->SetAttr(kNameSpaceID_None, nsGkAtoms::value,
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NS_LITERAL_STRING("capture"), false);
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mCapture->AddSystemEventListener(NS_LITERAL_STRING("click"),
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mCaptureMouseListener, false);
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}
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}
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nsCOMPtr<nsIDOMHTMLInputElement> fileContent = do_QueryInterface(mContent);
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nsCOMPtr<nsIDOMHTMLInputElement> browseControl = do_QueryInterface(mBrowse);
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if (fileContent && browseControl) {
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PRInt32 tabIndex;
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nsAutoString accessKey;
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fileContent->GetAccessKey(accessKey);
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browseControl->SetAccessKey(accessKey);
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fileContent->GetTabIndex(&tabIndex);
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browseControl->SetTabIndex(tabIndex);
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}
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if (!aElements.AppendElement(mBrowse))
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return NS_ERROR_OUT_OF_MEMORY;
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if (mCapture && !aElements.AppendElement(mCapture))
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return NS_ERROR_OUT_OF_MEMORY;
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// Register as an event listener of the button
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// to open file dialog on mouse click
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mBrowse->AddSystemEventListener(NS_LITERAL_STRING("click"),
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mMouseListener, false);
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SyncAttr(kNameSpaceID_None, nsGkAtoms::size, SYNC_TEXT);
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SyncDisabledState();
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return NS_OK;
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}
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void
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nsFileControlFrame::AppendAnonymousContentTo(nsBaseContentList& aElements,
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PRUint32 aFilter)
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{
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aElements.MaybeAppendElement(mTextContent);
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aElements.MaybeAppendElement(mBrowse);
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aElements.MaybeAppendElement(mCapture);
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}
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NS_QUERYFRAME_HEAD(nsFileControlFrame)
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NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
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NS_QUERYFRAME_ENTRY(nsIFormControlFrame)
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NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame)
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void
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nsFileControlFrame::SetFocus(bool aOn, bool aRepaint)
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{
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}
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bool ShouldProcessMouseClick(nsIDOMEvent* aMouseEvent)
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{
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// only allow the left button
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nsCOMPtr<nsIDOMMouseEvent> mouseEvent = do_QueryInterface(aMouseEvent);
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nsCOMPtr<nsIDOMNSEvent> domNSEvent = do_QueryInterface(aMouseEvent);
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NS_ENSURE_TRUE(mouseEvent && domNSEvent, false);
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bool defaultPrevented = false;
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domNSEvent->GetPreventDefault(&defaultPrevented);
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if (defaultPrevented) {
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return false;
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}
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PRUint16 whichButton;
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if (NS_FAILED(mouseEvent->GetButton(&whichButton)) || whichButton != 0) {
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return false;
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}
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PRInt32 clickCount;
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if (NS_FAILED(mouseEvent->GetDetail(&clickCount)) || clickCount > 1) {
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return false;
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}
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return true;
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}
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/**
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* This is called when our capture button is clicked
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*/
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NS_IMETHODIMP
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nsFileControlFrame::CaptureMouseListener::HandleEvent(nsIDOMEvent* aMouseEvent)
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{
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nsresult rv;
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NS_ASSERTION(mFrame, "We should have been unregistered");
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if (!ShouldProcessMouseClick(aMouseEvent))
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return NS_OK;
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// Get parent nsPIDOMWindow object.
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nsIContent* content = mFrame->GetContent();
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if (!content)
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return NS_ERROR_FAILURE;
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nsHTMLInputElement* inputElement = nsHTMLInputElement::FromContent(content);
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if (!inputElement)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIDocument> doc = content->GetDocument();
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if (!doc)
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return NS_ERROR_FAILURE;
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// Get Loc title
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nsXPIDLString title;
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nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
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"MediaUpload", title);
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nsPIDOMWindow* win = doc->GetWindow();
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if (!win) {
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return NS_ERROR_FAILURE;
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}
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nsCOMPtr<nsICapturePicker> capturePicker;
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capturePicker = do_CreateInstance("@mozilla.org/capturepicker;1");
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if (!capturePicker)
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return NS_ERROR_FAILURE;
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rv = capturePicker->Init(win, title, mMode);
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NS_ENSURE_SUCCESS(rv, rv);
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// Tell our text control frame to remember the currently focused value.
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nsTextControlFrame* textControlFrame = mFrame->GetTextControlFrame();
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textControlFrame->InitFocusedValue();
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// Show dialog
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PRUint32 result;
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rv = capturePicker->Show(&result);
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NS_ENSURE_SUCCESS(rv, rv);
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if (result == nsICapturePicker::RETURN_CANCEL)
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return NS_OK;
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if (!mFrame) {
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// The frame got destroyed while the filepicker was up. Don't do
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// anything here.
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// (This listener itself can't be destroyed because the event listener
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// manager holds a strong reference to us while it fires the event.)
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return NS_OK;
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}
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nsCOMPtr<nsIDOMFile> domFile;
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rv = capturePicker->GetFile(getter_AddRefs(domFile));
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMArray<nsIDOMFile> newFiles;
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if (domFile) {
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newFiles.AppendObject(domFile);
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} else {
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return NS_ERROR_FAILURE;
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}
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// XXXkhuey we really should have a better UI story than the tired old
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// uneditable text box with the file name inside.
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// Set new selected files
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if (newFiles.Count()) {
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// Tell our text control frame that this update of the value is a user
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// initiated change. Otherwise it'll think that the value is being set by
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// a script and not fire onchange when it should.
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bool oldState = textControlFrame->GetFireChangeEventState();
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textControlFrame->SetFireChangeEventState(true);
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inputElement->SetFiles(newFiles, true);
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textControlFrame->SetFireChangeEventState(oldState);
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// May need to fire an onchange here
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textControlFrame->CheckFireOnChange();
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}
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return NS_OK;
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}
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/**
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* This is called when we receive any registered events on the control.
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* We've only registered for drop, dragover and click events.
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*/
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NS_IMETHODIMP
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nsFileControlFrame::BrowseMouseListener::HandleEvent(nsIDOMEvent* aEvent)
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{
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NS_ASSERTION(mFrame, "We should have been unregistered");
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nsAutoString eventType;
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aEvent->GetType(eventType);
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if (eventType.EqualsLiteral("click")) {
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if (!ShouldProcessMouseClick(aEvent))
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return NS_OK;
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nsHTMLInputElement* input =
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nsHTMLInputElement::FromContent(mFrame->GetContent());
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return input ? input->FireAsyncClickHandler() : NS_OK;
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}
|
|
|
|
nsCOMPtr<nsIDOMNSEvent> domNSEvent = do_QueryInterface(aEvent);
|
|
NS_ENSURE_STATE(domNSEvent);
|
|
bool defaultPrevented = false;
|
|
domNSEvent->GetPreventDefault(&defaultPrevented);
|
|
if (defaultPrevented) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMDragEvent> dragEvent = do_QueryInterface(aEvent);
|
|
if (!dragEvent || !IsValidDropData(dragEvent)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (eventType.EqualsLiteral("dragover")) {
|
|
// Prevent default if we can accept this drag data
|
|
aEvent->PreventDefault();
|
|
return NS_OK;
|
|
}
|
|
|
|
if (eventType.EqualsLiteral("drop")) {
|
|
aEvent->StopPropagation();
|
|
aEvent->PreventDefault();
|
|
|
|
nsIContent* content = mFrame->GetContent();
|
|
NS_ASSERTION(content, "The frame has no content???");
|
|
|
|
nsHTMLInputElement* inputElement = nsHTMLInputElement::FromContent(content);
|
|
NS_ASSERTION(inputElement, "No input element for this file upload control frame!");
|
|
|
|
nsCOMPtr<nsIDOMDataTransfer> dataTransfer;
|
|
dragEvent->GetDataTransfer(getter_AddRefs(dataTransfer));
|
|
|
|
nsCOMPtr<nsIDOMFileList> fileList;
|
|
dataTransfer->GetFiles(getter_AddRefs(fileList));
|
|
|
|
nsTextControlFrame* textControlFrame = mFrame->GetTextControlFrame();
|
|
bool oldState = textControlFrame->GetFireChangeEventState();
|
|
textControlFrame->SetFireChangeEventState(true);
|
|
inputElement->SetFiles(fileList, true);
|
|
textControlFrame->SetFireChangeEventState(oldState);
|
|
textControlFrame->CheckFireOnChange();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */ bool
|
|
nsFileControlFrame::BrowseMouseListener::IsValidDropData(nsIDOMDragEvent* aEvent)
|
|
{
|
|
nsCOMPtr<nsIDOMDataTransfer> dataTransfer;
|
|
aEvent->GetDataTransfer(getter_AddRefs(dataTransfer));
|
|
NS_ENSURE_TRUE(dataTransfer, false);
|
|
|
|
nsCOMPtr<nsIDOMDOMStringList> types;
|
|
dataTransfer->GetTypes(getter_AddRefs(types));
|
|
NS_ENSURE_TRUE(types, false);
|
|
|
|
// We only support dropping files onto a file upload control
|
|
bool typeSupported;
|
|
types->Contains(NS_LITERAL_STRING("Files"), &typeSupported);
|
|
return typeSupported;
|
|
}
|
|
|
|
nscoord
|
|
nsFileControlFrame::GetMinWidth(nsRenderingContext *aRenderingContext)
|
|
{
|
|
nscoord result;
|
|
DISPLAY_MIN_WIDTH(this, result);
|
|
|
|
// Our min width is our pref width
|
|
result = GetPrefWidth(aRenderingContext);
|
|
return result;
|
|
}
|
|
|
|
nsTextControlFrame*
|
|
nsFileControlFrame::GetTextControlFrame()
|
|
{
|
|
nsITextControlFrame* tc = do_QueryFrame(mTextContent->GetPrimaryFrame());
|
|
return static_cast<nsTextControlFrame*>(tc);
|
|
}
|
|
|
|
PRIntn
|
|
nsFileControlFrame::GetSkipSides() const
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
nsFileControlFrame::SyncAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
|
|
PRInt32 aWhichControls)
|
|
{
|
|
nsAutoString value;
|
|
if (mContent->GetAttr(aNameSpaceID, aAttribute, value)) {
|
|
if (aWhichControls & SYNC_TEXT && mTextContent) {
|
|
mTextContent->SetAttr(aNameSpaceID, aAttribute, value, true);
|
|
}
|
|
if (aWhichControls & SYNC_BUTTON && mBrowse) {
|
|
mBrowse->SetAttr(aNameSpaceID, aAttribute, value, true);
|
|
}
|
|
} else {
|
|
if (aWhichControls & SYNC_TEXT && mTextContent) {
|
|
mTextContent->UnsetAttr(aNameSpaceID, aAttribute, true);
|
|
}
|
|
if (aWhichControls & SYNC_BUTTON && mBrowse) {
|
|
mBrowse->UnsetAttr(aNameSpaceID, aAttribute, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsFileControlFrame::SyncDisabledState()
|
|
{
|
|
nsEventStates eventStates = mContent->AsElement()->State();
|
|
if (eventStates.HasState(NS_EVENT_STATE_DISABLED)) {
|
|
mTextContent->SetAttr(kNameSpaceID_None, nsGkAtoms::disabled, EmptyString(),
|
|
true);
|
|
mBrowse->SetAttr(kNameSpaceID_None, nsGkAtoms::disabled, EmptyString(),
|
|
true);
|
|
} else {
|
|
mTextContent->UnsetAttr(kNameSpaceID_None, nsGkAtoms::disabled, true);
|
|
mBrowse->UnsetAttr(kNameSpaceID_None, nsGkAtoms::disabled, true);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::AttributeChanged(PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType)
|
|
{
|
|
if (aNameSpaceID == kNameSpaceID_None) {
|
|
if (aAttribute == nsGkAtoms::size) {
|
|
SyncAttr(aNameSpaceID, aAttribute, SYNC_TEXT);
|
|
} else if (aAttribute == nsGkAtoms::tabindex) {
|
|
SyncAttr(aNameSpaceID, aAttribute, SYNC_BUTTON);
|
|
}
|
|
}
|
|
|
|
return nsBlockFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);
|
|
}
|
|
|
|
void
|
|
nsFileControlFrame::ContentStatesChanged(nsEventStates aStates)
|
|
{
|
|
if (aStates.HasState(NS_EVENT_STATE_DISABLED)) {
|
|
nsContentUtils::AddScriptRunner(new SyncDisabledStateEvent(this));
|
|
}
|
|
}
|
|
|
|
bool
|
|
nsFileControlFrame::IsLeaf() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
#ifdef NS_DEBUG
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::GetFrameName(nsAString& aResult) const
|
|
{
|
|
return MakeFrameName(NS_LITERAL_STRING("FileControl"), aResult);
|
|
}
|
|
#endif
|
|
|
|
nsresult
|
|
nsFileControlFrame::SetFormProperty(nsIAtom* aName,
|
|
const nsAString& aValue)
|
|
{
|
|
if (nsGkAtoms::value == aName) {
|
|
nsCOMPtr<nsIDOMHTMLInputElement> textControl =
|
|
do_QueryInterface(mTextContent);
|
|
NS_ASSERTION(textControl,
|
|
"The text control should exist and be an input element");
|
|
textControl->SetValue(aValue);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFileControlFrame::GetFormProperty(nsIAtom* aName, nsAString& aValue) const
|
|
{
|
|
aValue.Truncate(); // initialize out param
|
|
|
|
if (nsGkAtoms::value == aName) {
|
|
nsHTMLInputElement* inputElement =
|
|
nsHTMLInputElement::FromContent(mContent);
|
|
|
|
if (inputElement) {
|
|
inputElement->GetDisplayFileName(aValue);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists)
|
|
{
|
|
// box-shadow
|
|
if (GetStyleBorder()->mBoxShadow) {
|
|
nsresult rv = aLists.BorderBackground()->AppendNewToTop(new (aBuilder)
|
|
nsDisplayBoxShadowOuter(aBuilder, this));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
// Our background is inherited to the text input, and we don't really want to
|
|
// paint it or out padding and borders (which we never have anyway, per
|
|
// styles in forms.css) -- doing it just makes us look ugly in some cases and
|
|
// has no effect in others.
|
|
nsDisplayListCollection tempList;
|
|
nsresult rv = nsBlockFrame::BuildDisplayList(aBuilder, aDirtyRect, tempList);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
tempList.BorderBackground()->DeleteAll();
|
|
|
|
// Clip height only
|
|
nsRect clipRect(aBuilder->ToReferenceFrame(this), GetSize());
|
|
clipRect.width = GetVisualOverflowRect().XMost();
|
|
nscoord radii[8] = {0, 0, 0, 0, 0, 0, 0, 0};
|
|
rv = OverflowClip(aBuilder, tempList, aLists, clipRect, radii);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Disabled file controls don't pass mouse events to their children, so we
|
|
// put an invisible item in the display list above the children
|
|
// just to catch events
|
|
nsEventStates eventStates = mContent->AsElement()->State();
|
|
if (eventStates.HasState(NS_EVENT_STATE_DISABLED) && IsVisibleForPainting(aBuilder)) {
|
|
rv = aLists.Content()->AppendNewToTop(
|
|
new (aBuilder) nsDisplayEventReceiver(aBuilder, this));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
|
|
return DisplaySelectionOverlay(aBuilder, aLists.Content());
|
|
}
|
|
|
|
#ifdef ACCESSIBILITY
|
|
already_AddRefed<nsAccessible>
|
|
nsFileControlFrame::CreateAccessible()
|
|
{
|
|
// Accessible object exists just to hold onto its children, for later shutdown
|
|
nsAccessibilityService* accService = nsIPresShell::AccService();
|
|
if (!accService)
|
|
return nsnull;
|
|
|
|
return accService->CreateHTMLFileInputAccessible(mContent,
|
|
PresContext()->PresShell());
|
|
}
|
|
#endif
|
|
|
|
void
|
|
nsFileControlFrame::ParseAcceptAttribute(AcceptAttrCallback aCallback,
|
|
void* aClosure) const
|
|
{
|
|
nsAutoString accept;
|
|
mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::accept, accept);
|
|
|
|
HTMLSplitOnSpacesTokenizer tokenizer(accept, ',');
|
|
// Empty loop body because aCallback is doing the work
|
|
while (tokenizer.hasMoreTokens() &&
|
|
(*aCallback)(tokenizer.nextToken(), aClosure));
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////
|
|
// Mouse listener implementation
|
|
|
|
NS_IMPL_ISUPPORTS1(nsFileControlFrame::MouseListener,
|
|
nsIDOMEventListener)
|