зеркало из https://github.com/mozilla/pjs.git
698 строки
21 KiB
C++
698 строки
21 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsFileControlFrame.h"
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#include "nsFormFrame.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 "nsIPresContext.h"
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#include "nsIHTMLContent.h"
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#include "nsHTMLIIDs.h"
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#include "nsHTMLAtoms.h"
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#include "nsIPresState.h"
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#include "nsWidgetsCID.h"
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#include "nsIComponentManager.h"
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#include "nsIView.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 "nsISupportsArray.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMDocument.h"
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#include "nsDocument.h"
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#include "nsIDOMMouseListener.h"
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#include "nsIPresShell.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsIStatefulFrame.h"
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#include "nsISupportsPrimitives.h"
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#include "nsIComponentManager.h"
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#include "nsIDOMWindowInternal.h"
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#include "nsIFilePicker.h"
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#include "nsIDOMMouseEvent.h"
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static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
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static NS_DEFINE_IID(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID);
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static NS_DEFINE_IID(kIDOMMouseListenerIID, NS_IDOMMOUSELISTENER_IID);
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static NS_DEFINE_IID(kIAnonymousContentCreatorIID, NS_IANONYMOUS_CONTENT_CREATOR_IID);
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nsresult
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NS_NewFileControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsFileControlFrame* it = new (aPresShell) nsFileControlFrame();
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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*aNewFrame = it;
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return NS_OK;
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}
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nsFileControlFrame::nsFileControlFrame():
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mTextFrame(nsnull),
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mFormFrame(nsnull),
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mTextContent(nsnull),
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mCachedState(nsnull)
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{
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//Shrink the area around it's contents
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SetFlags(NS_BLOCK_SHRINK_WRAP);
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}
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nsFileControlFrame::~nsFileControlFrame()
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{
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NS_IF_RELEASE(mTextContent);
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// remove ourself as a listener of the button (bug 40533)
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if (mBrowse) {
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nsCOMPtr<nsIDOMEventReceiver> reciever(do_QueryInterface(mBrowse));
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reciever->RemoveEventListenerByIID(this, kIDOMMouseListenerIID);
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}
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if (mCachedState) {
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delete mCachedState;
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mCachedState = nsnull;
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}
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if (mFormFrame) {
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mFormFrame->RemoveFormControlFrame(*this);
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mFormFrame = nsnull;
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}
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}
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NS_IMETHODIMP
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nsFileControlFrame::CreateAnonymousContent(nsIPresContext* aPresContext,
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nsISupportsArray& aChildList)
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{
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// create text field
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nsCOMPtr<nsIDocument> doc;
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mContent->GetDocument(*getter_AddRefs(doc));
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nsCOMPtr<nsINodeInfoManager> nimgr;
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nsresult rv = doc->GetNodeInfoManager(*getter_AddRefs(nimgr));
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsINodeInfo> nodeInfo;
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nimgr->GetNodeInfo(nsHTMLAtoms::input, nsnull, kNameSpaceID_None,
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*getter_AddRefs(nodeInfo));
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if (NS_OK == NS_NewHTMLInputElement(&mTextContent, nodeInfo)) {
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mTextContent->SetAttribute(kNameSpaceID_None, nsHTMLAtoms::type, NS_ConvertASCIItoUCS2("text"), PR_FALSE);
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if (nsFormFrame::GetDisabled(this)) {
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nsCOMPtr<nsIDOMHTMLInputElement> textControl = do_QueryInterface(mTextContent);
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if (textControl) {
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textControl->SetDisabled(nsFormFrame::GetDisabled(this));
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}
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}
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aChildList.AppendElement(mTextContent);
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}
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// create browse button
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if (NS_OK == NS_NewHTMLInputElement(getter_AddRefs(mBrowse), nodeInfo)) {
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mBrowse->SetAttribute(kNameSpaceID_None, nsHTMLAtoms::type, NS_ConvertASCIItoUCS2("button"), PR_FALSE);
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//browse->SetAttribute(kNameSpaceID_None, nsHTMLAtoms::value, nsAutoString("browse..."), PR_FALSE);
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aChildList.AppendElement(mBrowse);
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// register as an event listener of the button to open file dialog on mouse click
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nsCOMPtr<nsIDOMEventReceiver> reciever(do_QueryInterface(mBrowse));
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reciever->AddEventListenerByIID(this, kIDOMMouseListenerIID);
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}
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nsString value;
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if (NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::size, value)) {
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mTextContent->SetAttribute(kNameSpaceID_None, nsHTMLAtoms::size, value, PR_FALSE);
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}
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return NS_OK;
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}
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// Frames are not refcounted, no need to AddRef
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NS_IMETHODIMP
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nsFileControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_PRECONDITION(0 != aInstancePtr, "null ptr");
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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} else if (aIID.Equals(kIAnonymousContentCreatorIID)) {
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*aInstancePtr = (void*)(nsIAnonymousContentCreator*) this;
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return NS_OK;
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} else if (aIID.Equals(kIFormControlFrameIID)) {
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*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
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return NS_OK;
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} else if (aIID.Equals(kIDOMMouseListenerIID)) {
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*aInstancePtr = (void*)(nsIDOMMouseListener*) this;
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return NS_OK;
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} else if (aIID.Equals(NS_GET_IID(nsIStatefulFrame))) {
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*aInstancePtr = (void*)(nsIStatefulFrame*) this;
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return NS_OK;
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}
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return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtr);
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}
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PRBool
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nsFileControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
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{
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nsAutoString name;
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PRBool disabled = PR_FALSE;
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nsFormControlHelper::GetDisabled(mContent, &disabled);
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return !disabled && (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
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}
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void
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nsFileControlFrame::Reset(nsIPresContext* aPresContext)
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{
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if (mTextFrame) {
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mTextFrame->Reset(aPresContext);
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}
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetType(PRInt32* aType) const
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{
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*aType = NS_FORM_INPUT_FILE;
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return NS_OK;
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}
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void
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nsFileControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
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{
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// Fix for Bug 6133
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if (mTextFrame) {
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nsCOMPtr<nsIContent> content;
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mTextFrame->GetContent(getter_AddRefs(content));
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if (content) {
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content->SetFocus(mPresContext);
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}
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}
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}
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void
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nsFileControlFrame::ScrollIntoView(nsIPresContext* aPresContext)
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{
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if (aPresContext) {
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nsCOMPtr<nsIPresShell> presShell;
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aPresContext->GetShell(getter_AddRefs(presShell));
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if (presShell) {
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presShell->ScrollFrameIntoView(this,
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NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE,NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE);
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}
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}
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}
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/**
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* This is called when our browse button is clicked
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*/
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nsresult
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nsFileControlFrame::MouseClick(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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if (mouseEvent) {
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PRUint16 whichButton;
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if (NS_SUCCEEDED(mouseEvent->GetButton(&whichButton))) {
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if (whichButton != 1) {
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return NS_OK;
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}
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}
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}
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nsresult result;
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// Get parent nsIDOMWindowInternal object.
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nsCOMPtr<nsIContent> content;
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result = GetContent(getter_AddRefs(content));
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if (!content)
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return NS_FAILED(result) ? result : NS_ERROR_FAILURE;
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nsCOMPtr<nsIDocument> doc;
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result = content->GetDocument(*getter_AddRefs(doc));
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if (!doc)
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return NS_FAILED(result) ? result : NS_ERROR_FAILURE;
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nsCOMPtr<nsIScriptGlobalObject> scriptGlobalObject;
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result = doc->GetScriptGlobalObject(getter_AddRefs(scriptGlobalObject));
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if (!scriptGlobalObject)
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return NS_FAILED(result) ? result : NS_ERROR_FAILURE;
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nsCOMPtr<nsIDOMWindowInternal> parentWindow = do_QueryInterface(scriptGlobalObject);
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if (!parentWindow)
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return NS_ERROR_FAILURE;
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// Get Loc title
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nsString title;
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nsFormControlHelper::GetLocalizedString("FileUpload", title);
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nsCOMPtr<nsIFilePicker> filePicker = do_CreateInstance("@mozilla.org/filepicker;1");
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if (!filePicker)
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return NS_ERROR_FAILURE;
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result = filePicker->Init(parentWindow, title.GetUnicode(), nsIFilePicker::modeOpen);
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if (NS_FAILED(result))
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return result;
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// Set filter "All Files"
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filePicker->AppendFilters(nsIFilePicker::filterAll);
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// Set default directry and filename
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nsAutoString defaultName;
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GetProperty(nsHTMLAtoms::value, defaultName);
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nsCOMPtr<nsILocalFile> currentFile = do_CreateInstance("@mozilla.org/file/local;1");
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if (currentFile && !defaultName.IsEmpty()) {
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result = currentFile->InitWithUnicodePath(defaultName.GetUnicode());
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if (NS_SUCCEEDED(result)) {
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PRUnichar *leafName = nsnull;
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currentFile->GetUnicodeLeafName(&leafName);
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if (leafName) {
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filePicker->SetDefaultString(leafName);
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nsMemory::Free(leafName);
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}
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// set directory
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nsCOMPtr<nsIFile> parentFile;
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currentFile->GetParent(getter_AddRefs(parentFile));
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if (parentFile) {
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nsCOMPtr<nsILocalFile> parentLocalFile = do_QueryInterface(parentFile, &result);
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if (parentLocalFile)
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filePicker->SetDisplayDirectory(parentLocalFile);
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}
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}
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}
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// Open dialog
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PRInt16 mode;
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result = filePicker->Show(&mode);
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if (NS_FAILED(result))
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return result;
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if (mode == nsIFilePicker::returnCancel)
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return NS_OK;
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// Set property
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nsCOMPtr<nsILocalFile> localFile;
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result = filePicker->GetFile(getter_AddRefs(localFile));
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if (localFile) {
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PRUnichar *nativePath = nsnull;
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result = localFile->GetUnicodePath(&nativePath);
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if (nativePath) {
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nsAutoString pathName(nativePath);
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mTextFrame->SetProperty(mPresContext, nsHTMLAtoms::value, pathName);
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nsMemory::Free(nativePath);
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return NS_OK;
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}
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}
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return NS_FAILED(result) ? result : NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP nsFileControlFrame::Reflow(nsIPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus)
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{
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DO_GLOBAL_REFLOW_COUNT("nsFileControlFrame", aReflowState.reason);
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aStatus = NS_FRAME_COMPLETE;
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if (mFormFrame == nsnull && eReflowReason_Initial == aReflowState.reason) {
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// add ourself as an nsIFormControlFrame
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nsFormFrame::AddFormControlFrame(aPresContext, *NS_STATIC_CAST(nsIFrame*, this));
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mTextFrame = GetTextControlFrame(aPresContext, this);
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if (!mTextFrame) return NS_ERROR_UNEXPECTED;
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if (mCachedState) {
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mTextFrame->SetProperty(aPresContext, nsHTMLAtoms::value, *mCachedState);
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delete mCachedState;
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mCachedState = nsnull;
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}
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}
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// The Areaframe takes care of all our reflow
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// except for when style is used to change its size.
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nsresult rv = nsAreaFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
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if (NS_SUCCEEDED(rv) && mTextFrame != nsnull) {
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nsIFrame * child;
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FirstChild(aPresContext, nsnull, &child);
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while (child == mTextFrame) {
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child->GetNextSibling(&child);
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}
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if (child != nsnull) {
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nsRect buttonRect;
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nsRect txtRect;
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mTextFrame->GetRect(txtRect);
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child->GetRect(buttonRect);
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// check to see if we must reflow just the texField
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// because style width or height was set.
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if (txtRect.width + buttonRect.width != aDesiredSize.width ||
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txtRect.height != aDesiredSize.height) {
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nsSize txtAvailSize(aDesiredSize.width - buttonRect.width, aDesiredSize.height);
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nsHTMLReflowMetrics txtKidSize(&txtAvailSize);
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nsHTMLReflowState txtKidReflowState(aPresContext, aReflowState, mTextFrame, txtAvailSize);
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txtKidReflowState.reason = eReflowReason_Resize;
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txtKidReflowState.mComputedWidth = txtAvailSize.width;
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txtKidReflowState.mComputedHeight = txtAvailSize.height;
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mTextFrame->WillReflow(aPresContext);
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nsReflowStatus status;
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rv = mTextFrame->Reflow(aPresContext, txtKidSize, txtKidReflowState, status);
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if (NS_FAILED(rv)) return rv;
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rv = mTextFrame->DidReflow(aPresContext, aStatus);
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if (NS_FAILED(rv)) return rv;
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// now adjust the frame positions
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buttonRect.x = aDesiredSize.width - buttonRect.width + aReflowState.mComputedBorderPadding.left;
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child->SetRect(aPresContext, buttonRect);
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txtRect.y = aReflowState.mComputedBorderPadding.top;
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txtRect.height = aDesiredSize.height;
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txtRect.width = aDesiredSize.width - buttonRect.width;
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mTextFrame->SetRect(aPresContext, txtRect);
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}
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}
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}
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return rv;
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}
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/*
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NS_IMETHODIMP
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nsFileControlFrame::SetInitialChildList(nsIPresContext* aPresContext,
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nsIAtom* aListName,
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nsIFrame* aChildList)
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{
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nsresult r = nsAreaFrame::SetInitialChildList(aPresContext, aListName, aChildList);
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// given that the CSS frame constuctor created all our frames. We need to find the text field
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// so we can get info from it.
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mTextFrame = GetTextControlFrame(this);
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}
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*/
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/**
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* Given a start node. Find the given text node inside. We need to do this because the
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* frame constuctor create the frame and its implementation. So we are given the text
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* node from the constructor and we find it in our tree.
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*/
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nsNewFrame*
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nsFileControlFrame::GetTextControlFrame(nsIPresContext* aPresContext, nsIFrame* aStart)
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{
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nsNewFrame* result = nsnull;
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#ifndef DEBUG_NEWFRAME
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// find the text control frame.
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nsIFrame* childFrame = nsnull;
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aStart->FirstChild(aPresContext, nsnull, &childFrame);
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while (childFrame) {
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// see if the child is a text control
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nsCOMPtr<nsIContent> content;
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nsresult res = childFrame->GetContent(getter_AddRefs(content));
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if (NS_SUCCEEDED(res) && content) {
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nsCOMPtr<nsIAtom> atom;
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res = content->GetTag(*getter_AddRefs(atom));
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if (NS_SUCCEEDED(res) && atom) {
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if (atom.get() == nsHTMLAtoms::input) {
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// It's an input, is it a text input?
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nsAutoString value;
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if (NS_CONTENT_ATTR_HAS_VALUE == content->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::type, value)) {
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if (value.EqualsIgnoreCase("text")) {
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result = (nsNewFrame*)childFrame;
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}
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}
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}
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}
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}
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// if not continue looking
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nsNewFrame* frame = GetTextControlFrame(aPresContext, childFrame);
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if (frame)
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result = frame;
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res = childFrame->GetNextSibling(&childFrame);
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NS_ASSERTION(res == NS_OK,"failed to get next child");
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}
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return result;
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#else
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return nsnull;
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#endif
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}
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PRIntn
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nsFileControlFrame::GetSkipSides() const
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{
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return 0;
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetName(nsString* aResult)
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{
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nsresult result = NS_FORM_NOTOK;
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if (mContent) {
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nsIHTMLContent* formControl = nsnull;
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result = mContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
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if ((NS_OK == result) && formControl) {
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nsHTMLValue value;
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result = formControl->GetHTMLAttribute(nsHTMLAtoms::name, value);
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if (NS_CONTENT_ATTR_HAS_VALUE == result) {
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if (eHTMLUnit_String == value.GetUnit()) {
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value.GetStringValue(*aResult);
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|
}
|
|
}
|
|
NS_RELEASE(formControl);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
PRInt32
|
|
nsFileControlFrame::GetMaxNumValues()
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
PRBool
|
|
nsFileControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
|
|
nsString* aValues, nsString* aNames)
|
|
{
|
|
nsAutoString name;
|
|
nsresult result = GetName(&name);
|
|
if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// use our name and the text widgets value
|
|
aNames[0] = name;
|
|
nsresult status = PR_FALSE;
|
|
|
|
if (NS_SUCCEEDED(mTextFrame->GetProperty(nsHTMLAtoms::value, aValues[0]))) {
|
|
aNumValues = 1;
|
|
status = PR_TRUE;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::AttributeChanged(nsIPresContext* aPresContext,
|
|
nsIContent* aChild,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aHint)
|
|
{
|
|
// set the text control to readonly or not
|
|
if (nsHTMLAtoms::disabled == aAttribute) {
|
|
nsCOMPtr<nsIDOMHTMLInputElement> textControl = do_QueryInterface(mTextContent);
|
|
if (textControl)
|
|
{
|
|
textControl->SetDisabled(nsFormFrame::GetDisabled(this));
|
|
}
|
|
} else if (nsHTMLAtoms::size == aAttribute) {
|
|
nsString value;
|
|
if (nsnull != mTextContent && NS_CONTENT_ATTR_HAS_VALUE == mContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::size, value)) {
|
|
mTextContent->SetAttribute(kNameSpaceID_None, nsHTMLAtoms::size, value, PR_TRUE);
|
|
if (aHint != NS_STYLE_HINT_REFLOW) {
|
|
nsFormFrame::StyleChangeReflow(aPresContext, this);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsAreaFrame::AttributeChanged(aPresContext, aChild, aNameSpaceID, aAttribute, aHint);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::GetFrameForPoint(nsIPresContext* aPresContext,
|
|
const nsPoint& aPoint,
|
|
nsFramePaintLayer aWhichLayer,
|
|
nsIFrame** aFrame)
|
|
{
|
|
#ifndef DEBUG_NEWFRAME
|
|
if ( nsFormFrame::GetDisabled(this) && mRect.Contains(aPoint) ) {
|
|
const nsStyleDisplay* disp = (const nsStyleDisplay*)
|
|
mStyleContext->GetStyleData(eStyleStruct_Display);
|
|
if (disp->IsVisible()) {
|
|
*aFrame = this;
|
|
return NS_OK;
|
|
}
|
|
} else {
|
|
return nsAreaFrame::GetFrameForPoint(aPresContext, aPoint, aWhichLayer, aFrame);
|
|
}
|
|
#endif
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef NS_DEBUG
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::GetFrameName(nsString& aResult) const
|
|
{
|
|
return MakeFrameName("FileControl", aResult);
|
|
}
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::GetFormContent(nsIContent*& aContent) const
|
|
{
|
|
nsIContent* content;
|
|
nsresult rv;
|
|
|
|
rv = GetContent(&content);
|
|
aContent = content;
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::GetFont(nsIPresContext* aPresContext,
|
|
const nsFont*& aFont)
|
|
{
|
|
return nsFormControlHelper::GetFont(this, aPresContext, mStyleContext, aFont);
|
|
}
|
|
nscoord
|
|
nsFileControlFrame::GetVerticalInsidePadding(nsIPresContext* aPresContext,
|
|
float aPixToTwip,
|
|
nscoord aInnerHeight) const
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
nscoord
|
|
nsFileControlFrame::GetHorizontalInsidePadding(nsIPresContext* aPresContext,
|
|
float aPixToTwip,
|
|
nscoord aInnerWidth,
|
|
nscoord aCharWidth) const
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
nsresult nsFileControlFrame::RequiresWidget(PRBool& aRequiresWidget)
|
|
{
|
|
aRequiresWidget = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsFileControlFrame::SetProperty(nsIPresContext* aPresContext,
|
|
nsIAtom* aName,
|
|
const nsAReadableString& aValue)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
if (nsHTMLAtoms::value == aName) {
|
|
if (mTextFrame) {
|
|
mTextFrame->SetTextControlFrameState(aValue);
|
|
} else {
|
|
if (mCachedState) delete mCachedState;
|
|
mCachedState = new nsString(aValue);
|
|
if (!mCachedState) rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP nsFileControlFrame::GetProperty(nsIAtom* aName, nsAWritableString& aValue)
|
|
{
|
|
// Return the value of the property from the widget it is not null.
|
|
// If widget is null, assume the widget is GFX-rendered and return a member variable instead.
|
|
|
|
if (nsHTMLAtoms::value == aName) {
|
|
if (mTextFrame)
|
|
mTextFrame->GetTextControlFrameState(aValue);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
|
|
NS_METHOD
|
|
nsFileControlFrame::Paint(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer)
|
|
{
|
|
return nsAreaFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// nsIStatefulFrame
|
|
//----------------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::GetStateType(nsIPresContext* aPresContext, nsIStatefulFrame::StateType* aStateType)
|
|
{
|
|
*aStateType = nsIStatefulFrame::eFileType;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::SaveState(nsIPresContext* aPresContext, nsIPresState** aState)
|
|
{
|
|
// Construct a pres state.
|
|
NS_NewPresState(aState); // The addref happens here.
|
|
|
|
// This string will hold a single item, whether or not we're checked.
|
|
nsAutoString stateString;
|
|
GetProperty(nsHTMLAtoms::value, stateString);
|
|
(*aState)->SetStateProperty(NS_ConvertASCIItoUCS2("checked"), stateString);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::RestoreState(nsIPresContext* aPresContext, nsIPresState* aState)
|
|
{
|
|
nsAutoString string;
|
|
aState->GetStateProperty(NS_ConvertASCIItoUCS2("checked"), string);
|
|
SetProperty(aPresContext, nsHTMLAtoms::value, string);
|
|
return NS_OK;
|
|
|
|
}
|