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365 lines
10 KiB
C++
365 lines
10 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsFileControlFrame.h"
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#include "nsFormFrame.h"
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#include "nsButtonControlFrame.h"
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#include "nsTextControlFrame.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 "nsIFileWidget.h"
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#include "nsITextWidget.h"
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#include "nsWidgetsCID.h"
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#include "nsRepository.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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// XXX make this pixels
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#define CONTROL_SPACING 40
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static NS_DEFINE_IID(kCFileWidgetCID, NS_FILEWIDGET_CID);
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static NS_DEFINE_IID(kIFileWidgetIID, NS_IFILEWIDGET_IID);
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static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID);
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static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
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nsresult
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NS_NewFileControlFrame(nsIFrame*& aResult)
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{
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aResult = new nsFileControlFrame;
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if (nsnull == aResult) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return NS_OK;
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}
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nsFileControlFrame::nsFileControlFrame()
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: nsHTMLContainerFrame()
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{
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mTextFrame = nsnull;
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mBrowseFrame = nsnull;
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mFormFrame = nsnull;
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}
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nsresult
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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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}
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if (aIID.Equals(kIFormControlFrameIID)) {
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*aInstancePtr = (void*) ((nsIFormControlFrame*) 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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return (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
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}
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void
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nsFileControlFrame::Reset()
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{
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if (mTextFrame) {
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mTextFrame->Reset();
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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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// XXX this should be removed when nsView exposes it
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nsIWidget* GetWindowTemp(nsIView *aView);
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nsIWidget*
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nsFileControlFrame::GetWindowTemp(nsIView *aView)
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{
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nsIWidget *window = nsnull;
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nsIView *ancestor = aView;
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while (nsnull != ancestor) {
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ancestor->GetWidget(window);
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if (nsnull != window) {
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return window;
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}
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ancestor->GetParent(ancestor);
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}
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return nsnull;
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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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if (mTextFrame) {
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mTextFrame->SetFocus(aOn, aRepaint);
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}
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}
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// this is in response to the MouseClick from the containing browse button
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// XXX still need to get filters from accept attribute
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void nsFileControlFrame::MouseClicked(nsIPresContext* aPresContext)
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{
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nsIView* textView;
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mTextFrame->GetView(textView);
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if (nsnull == textView) {
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return;
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}
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nsIWidget* widget;
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mTextFrame->GetWidget(&widget);
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if (!widget) {
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return;
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}
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nsITextWidget* textWidget;
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nsresult result = widget->QueryInterface(kITextWidgetIID, (void**)&textWidget);
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if (NS_OK != result) {
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NS_RELEASE(widget);
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return;
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}
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nsIView* parentView;
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textView->GetParent(parentView);
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nsIWidget* parentWidget = GetWindowTemp(parentView);
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nsIFileWidget *fileWidget;
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nsString title("FileWidget Title <here> mode = save");
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nsRepository::CreateInstance(kCFileWidgetCID, nsnull, kIFileWidgetIID, (void**)&fileWidget);
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nsString titles[] = {"all files"};
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nsString filters[] = {"*.*"};
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fileWidget->SetFilterList(1, titles, filters);
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fileWidget->Create(parentWidget, title, eMode_load, nsnull, nsnull);
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result = fileWidget->Show();
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if (result) {
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PRUint32 size;
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nsString fileName;
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fileWidget->GetFile(fileName);
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textWidget->SetText(fileName,size);
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}
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NS_RELEASE(fileWidget);
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NS_RELEASE(parentWidget);
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NS_RELEASE(textWidget);
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NS_RELEASE(widget);
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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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PRInt32 numChildren = mFrames.GetLength();
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nsIFrame* childFrame;
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if (0 == numChildren) {
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// XXX This code should move to Init(), someday when the frame construction
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// changes are all done and Init() is always getting called...
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PRBool disabled = nsFormFrame::GetDisabled(this);
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nsIHTMLContent* text = nsnull;
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nsIAtom* tag = NS_NewAtom("text");
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NS_NewHTMLInputElement(&text, tag);
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text->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::type, nsAutoString("text"), PR_FALSE);
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if (disabled) {
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text->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::disabled, nsAutoString("1"), PR_FALSE); // XXX this should use an "empty" bool value
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}
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NS_NewTextControlFrame(childFrame);
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childFrame->Init(aPresContext, text, this, mStyleContext);
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mTextFrame = (nsTextControlFrame*)childFrame;
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mFrames.SetFrames(childFrame);
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nsIHTMLContent* browse = nsnull;
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tag = NS_NewAtom("browse");
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NS_NewHTMLInputElement(&browse, tag);
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browse->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::type, nsAutoString("browse"), PR_FALSE);
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if (disabled) {
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browse->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::disabled, nsAutoString("1"), PR_FALSE); // XXX should be "empty"
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}
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NS_NewButtonControlFrame(childFrame);
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((nsButtonControlFrame*)childFrame)->SetMouseListener((nsIFormControlFrame*)this);
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mBrowseFrame = (nsButtonControlFrame*)childFrame;
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childFrame->Init(aPresContext, browse, this, mStyleContext);
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mFrames.FirstChild()->SetNextSibling(childFrame);
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NS_RELEASE(text);
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NS_RELEASE(browse);
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}
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nsSize maxSize(aReflowState.availableWidth, aReflowState.availableHeight);
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nsHTMLReflowMetrics desiredSize = aDesiredSize;
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aDesiredSize.width = CONTROL_SPACING;
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aDesiredSize.height = 0;
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childFrame = mFrames.FirstChild();
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nsPoint offset(0,0);
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while (nsnull != childFrame) { // reflow, place, size the children
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nsHTMLReflowState reflowState(aPresContext, childFrame, aReflowState,
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maxSize);
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nsIHTMLReflow* htmlReflow;
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if (NS_OK == childFrame->QueryInterface(kIHTMLReflowIID, (void**)&htmlReflow)) {
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htmlReflow->WillReflow(aPresContext);
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nsresult result = htmlReflow->Reflow(aPresContext, desiredSize, reflowState, aStatus);
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NS_ASSERTION(NS_FRAME_IS_COMPLETE(aStatus), "bad status");
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nsRect rect(offset.x, offset.y, desiredSize.width, desiredSize.height);
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childFrame->SetRect(rect);
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maxSize.width -= desiredSize.width;
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aDesiredSize.width += desiredSize.width;
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aDesiredSize.height = desiredSize.height;
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childFrame->GetNextSibling(childFrame);
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offset.x += desiredSize.width + CONTROL_SPACING;
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}
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}
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aDesiredSize.ascent = aDesiredSize.height;
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aDesiredSize.descent = 0;
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if (nsnull != aDesiredSize.maxElementSize) {
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//XXX aDesiredSize.AddBorderPaddingToMaxElementSize(borderPadding);
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aDesiredSize.maxElementSize->width = aDesiredSize.width;
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aDesiredSize.maxElementSize->height = aDesiredSize.height;
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}
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aStatus = NS_FRAME_COMPLETE;
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return NS_OK;
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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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}
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}
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NS_RELEASE(formControl);
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}
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}
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return result;
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}
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PRInt32
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nsFileControlFrame::GetMaxNumValues()
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{
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return 1;
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}
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PRBool
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nsFileControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames)
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{
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nsAutoString name;
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nsresult result = GetName(&name);
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if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
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return PR_FALSE;
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}
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// use our name and the text widgets value
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aNames[0] = name;
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nsresult status = PR_FALSE;
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nsIWidget* widget;
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nsITextWidget* textWidget;
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mTextFrame->GetWidget(&widget);
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if (widget && (NS_OK == widget->QueryInterface(kITextWidgetIID, (void**)&textWidget))) {
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PRUint32 actualSize;
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textWidget->GetText(aValues[0], 0, actualSize);
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aNumValues = 1;
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NS_RELEASE(textWidget);
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status = PR_TRUE;
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}
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NS_IF_RELEASE(widget);
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return status;
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetFrameName(nsString& aResult) const
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{
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return MakeFrameName("FileControl", aResult);
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetFormContent(nsIContent*& aContent) const
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{
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return GetContent(aContent);
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetFont(nsIPresContext* aPresContext,
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nsFont& aFont)
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{
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nsFormControlHelper::GetFont(this, aPresContext, mStyleContext, aFont);
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return NS_OK;
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}
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nscoord
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nsFileControlFrame::GetVerticalInsidePadding(float aPixToTwip,
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nscoord aInnerHeight) const
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{
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return 0;
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}
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nscoord
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nsFileControlFrame::GetHorizontalInsidePadding(nsIPresContext& aPresContext,
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float aPixToTwip,
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nscoord aInnerWidth,
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nscoord aCharWidth) const
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{
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return 0;
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}
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NS_IMETHODIMP nsFileControlFrame::SetProperty(nsIAtom* aName, const nsString& aValue)
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{
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return NS_OK;
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}
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NS_IMETHODIMP nsFileControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
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{
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return NS_OK;
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}
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