зеркало из https://github.com/mozilla/gecko-dev.git
334 строки
9.2 KiB
C++
334 строки
9.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
#include "nsFileControlFrame.h"
|
|
#include "nsFormFrame.h"
|
|
#include "nsButtonControlFrame.h"
|
|
#include "nsTextControlFrame.h"
|
|
#include "nsIContent.h"
|
|
#include "prtypes.h"
|
|
#include "nsIAtom.h"
|
|
#include "nsIPresContext.h"
|
|
#include "nsIHTMLContent.h"
|
|
#include "nsHTMLIIDs.h"
|
|
#include "nsHTMLAtoms.h"
|
|
#include "nsIFileWidget.h"
|
|
#include "nsITextWidget.h"
|
|
#include "nsWidgetsCID.h"
|
|
#include "nsRepository.h"
|
|
#include "nsIView.h"
|
|
#include "nsHTMLParts.h"
|
|
#include "nsIDOMHTMLInputElement.h"
|
|
#include "nsHTMLParts.h"
|
|
#include "nsIFormControl.h"
|
|
|
|
// XXX make this pixels
|
|
#define CONTROL_SPACING 40
|
|
|
|
static NS_DEFINE_IID(kCFileWidgetCID, NS_FILEWIDGET_CID);
|
|
static NS_DEFINE_IID(kIFileWidgetIID, NS_IFILEWIDGET_IID);
|
|
static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID);
|
|
static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
|
|
|
|
nsresult
|
|
NS_NewFileControlFrame(nsIFrame*& aResult)
|
|
{
|
|
aResult = new nsFileControlFrame;
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsFileControlFrame::nsFileControlFrame()
|
|
: nsHTMLContainerFrame()
|
|
{
|
|
mTextFrame = nsnull;
|
|
mBrowseFrame = nsnull;
|
|
mFormFrame = nsnull;
|
|
}
|
|
|
|
nsresult
|
|
nsFileControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
|
|
{
|
|
NS_PRECONDITION(0 != aInstancePtr, "null ptr");
|
|
if (NULL == aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (aIID.Equals(kIFormControlFrameIID)) {
|
|
*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
|
|
return NS_OK;
|
|
}
|
|
return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtr);
|
|
}
|
|
|
|
PRBool
|
|
nsFileControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
|
|
{
|
|
nsAutoString name;
|
|
return (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
|
|
}
|
|
|
|
void
|
|
nsFileControlFrame::Reset()
|
|
{
|
|
if (mTextFrame) {
|
|
mTextFrame->Reset();
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::GetType(PRInt32* aType) const
|
|
{
|
|
*aType = NS_FORM_INPUT_FILE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// XXX this should be removed when nsView exposes it
|
|
nsIWidget*
|
|
GetWindowTemp(nsIView *aView)
|
|
{
|
|
nsIWidget *window = nsnull;
|
|
|
|
nsIView *ancestor = aView;
|
|
while (nsnull != ancestor) {
|
|
ancestor->GetWidget(window);
|
|
if (nsnull != window) {
|
|
return window;
|
|
}
|
|
ancestor->GetParent(ancestor);
|
|
}
|
|
return nsnull;
|
|
}
|
|
|
|
|
|
void
|
|
nsFileControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
|
|
{
|
|
if (mTextFrame) {
|
|
mTextFrame->SetFocus(aOn, aRepaint);
|
|
}
|
|
}
|
|
|
|
// this is in response to the MouseClick from the containing browse button
|
|
// XXX still need to get filters from accept attribute
|
|
void nsFileControlFrame::MouseClicked(nsIPresContext* aPresContext)
|
|
{
|
|
nsIView* textView;
|
|
mTextFrame->GetView(textView);
|
|
if (nsnull == textView) {
|
|
return;
|
|
}
|
|
nsIWidget* widget;
|
|
mTextFrame->GetWidget(&widget);
|
|
if (!widget) {
|
|
return;
|
|
}
|
|
|
|
nsITextWidget* textWidget;
|
|
nsresult result = widget->QueryInterface(kITextWidgetIID, (void**)&textWidget);
|
|
if (NS_OK != result) {
|
|
NS_RELEASE(widget);
|
|
return;
|
|
}
|
|
|
|
nsIView* parentView;
|
|
textView->GetParent(parentView);
|
|
nsIWidget* parentWidget = GetWindowTemp(parentView);
|
|
|
|
nsIFileWidget *fileWidget;
|
|
|
|
nsString title("FileWidget Title <here> mode = save");
|
|
nsRepository::CreateInstance(kCFileWidgetCID, nsnull, kIFileWidgetIID, (void**)&fileWidget);
|
|
|
|
nsString titles[] = {"all files"};
|
|
nsString filters[] = {"*.*"};
|
|
fileWidget->SetFilterList(1, titles, filters);
|
|
|
|
fileWidget->Create(parentWidget, title, eMode_load, nsnull, nsnull);
|
|
result = fileWidget->Show();
|
|
|
|
if (result) {
|
|
PRUint32 size;
|
|
nsString fileName;
|
|
fileWidget->GetFile(fileName);
|
|
textWidget->SetText(fileName,size);
|
|
}
|
|
NS_RELEASE(fileWidget);
|
|
NS_RELEASE(parentWidget);
|
|
NS_RELEASE(textWidget);
|
|
NS_RELEASE(widget);
|
|
}
|
|
|
|
|
|
void SetType(nsIHTMLContent* aElement, nsString& aValue)
|
|
{
|
|
nsIHTMLContent* iContent = nsnull;
|
|
nsresult result = aElement->QueryInterface(kIHTMLContentIID, (void**)&iContent);
|
|
if ((NS_OK == result) && iContent) {
|
|
iContent->SetAttribute("type", aValue, PR_FALSE);
|
|
NS_RELEASE(iContent);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP nsFileControlFrame::Reflow(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
PRInt32 numChildren = LengthOf(mFirstChild);
|
|
|
|
nsIFrame* childFrame;
|
|
if (0 == numChildren) {
|
|
// XXX This code should move to Init(), someday when the frame construction
|
|
// changes are all done and Init() is always getting called...
|
|
PRBool disabled = nsFormFrame::GetDisabled(this);
|
|
nsIHTMLContent* text = nsnull;
|
|
nsIAtom* tag = NS_NewAtom("text");
|
|
NS_NewHTMLInputElement(&text, tag);
|
|
text->SetAttribute("type", "text", PR_FALSE);
|
|
if (disabled) {
|
|
text->SetAttribute("disabled", "1", PR_FALSE);
|
|
}
|
|
NS_NewTextControlFrame(childFrame);
|
|
childFrame->Init(aPresContext, text, this, mStyleContext);
|
|
mTextFrame = (nsTextControlFrame*)childFrame;
|
|
mFirstChild = childFrame;
|
|
|
|
nsIHTMLContent* browse = nsnull;
|
|
tag = NS_NewAtom("browse");
|
|
NS_NewHTMLInputElement(&browse, tag);
|
|
browse->SetAttribute("type", "browse", PR_FALSE);
|
|
if (disabled) {
|
|
browse->SetAttribute("disabled", "1", PR_FALSE);
|
|
}
|
|
NS_NewButtonControlFrame(childFrame);
|
|
((nsButtonControlFrame*)childFrame)->SetFileControlFrame(this);
|
|
mBrowseFrame = (nsButtonControlFrame*)childFrame;
|
|
childFrame->Init(aPresContext, browse, this, mStyleContext);
|
|
|
|
mFirstChild->SetNextSibling(childFrame);
|
|
|
|
NS_RELEASE(text);
|
|
NS_RELEASE(browse);
|
|
}
|
|
|
|
nsSize maxSize = aReflowState.maxSize;
|
|
nsHTMLReflowMetrics desiredSize = aDesiredSize;
|
|
aDesiredSize.width = CONTROL_SPACING;
|
|
aDesiredSize.height = 0;
|
|
childFrame = mFirstChild;
|
|
nsPoint offset(0,0);
|
|
while (nsnull != childFrame) { // reflow, place, size the children
|
|
nsHTMLReflowState reflowState(aPresContext, childFrame, aReflowState,
|
|
maxSize);
|
|
nsIHTMLReflow* htmlReflow;
|
|
|
|
if (NS_OK == childFrame->QueryInterface(kIHTMLReflowIID, (void**)&htmlReflow)) {
|
|
htmlReflow->WillReflow(aPresContext);
|
|
nsresult result = htmlReflow->Reflow(aPresContext, desiredSize, reflowState, aStatus);
|
|
NS_ASSERTION(NS_FRAME_IS_COMPLETE(aStatus), "bad status");
|
|
nsRect rect(offset.x, offset.y, desiredSize.width, desiredSize.height);
|
|
childFrame->SetRect(rect);
|
|
maxSize.width -= desiredSize.width;
|
|
aDesiredSize.width += desiredSize.width;
|
|
aDesiredSize.height = desiredSize.height;
|
|
childFrame->GetNextSibling(childFrame);
|
|
offset.x += desiredSize.width + CONTROL_SPACING;
|
|
}
|
|
}
|
|
|
|
aDesiredSize.ascent = aDesiredSize.height;
|
|
aDesiredSize.descent = 0;
|
|
|
|
if (nsnull != aDesiredSize.maxElementSize) {
|
|
aDesiredSize.maxElementSize->width = aDesiredSize.width;
|
|
aDesiredSize.maxElementSize->height = aDesiredSize.height;
|
|
}
|
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
return NS_OK;
|
|
}
|
|
|
|
PRIntn
|
|
nsFileControlFrame::GetSkipSides() const
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::GetName(nsString* aResult)
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
if (mContent) {
|
|
nsIHTMLContent* formControl = nsnull;
|
|
result = mContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
|
|
if ((NS_OK == result) && formControl) {
|
|
nsHTMLValue value;
|
|
result = formControl->GetAttribute(nsHTMLAtoms::name, value);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
if (eHTMLUnit_String == value.GetUnit()) {
|
|
value.GetStringValue(*aResult);
|
|
}
|
|
}
|
|
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;
|
|
nsIWidget* widget;
|
|
nsITextWidget* textWidget;
|
|
mTextFrame->GetWidget(&widget);
|
|
if (widget && (NS_OK == widget->QueryInterface(kITextWidgetIID, (void**)&textWidget))) {
|
|
PRUint32 actualSize;
|
|
textWidget->GetText(aValues[0], 0, actualSize);
|
|
aNumValues = 1;
|
|
NS_RELEASE(textWidget);
|
|
status = PR_TRUE;
|
|
}
|
|
NS_IF_RELEASE(widget);
|
|
return status;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFileControlFrame::GetFrameName(nsString& aResult) const
|
|
{
|
|
return MakeFrameName("FileControl", aResult);
|
|
}
|