mirror of
https://github.com/mozilla/gecko-dev.git
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236 lines
7.3 KiB
C++
236 lines
7.3 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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*
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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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#ifndef nsFileControlFrame_h___
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#define nsFileControlFrame_h___
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#include "nsBlockFrame.h"
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#include "nsIFormControlFrame.h"
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#include "nsIDOMEventListener.h"
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#include "nsIAnonymousContentCreator.h"
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#include "nsICapturePicker.h"
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#include "nsCOMPtr.h"
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#include "nsTextControlFrame.h"
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typedef nsTextControlFrame nsNewFrame;
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class nsIDOMDragEvent;
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class nsFileControlFrame : public nsBlockFrame,
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public nsIFormControlFrame,
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public nsIAnonymousContentCreator
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{
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public:
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nsFileControlFrame(nsStyleContext* aContext);
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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// nsIFormControlFrame
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virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue);
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virtual nsresult GetFormProperty(nsIAtom* aName, nsAString& aValue) const;
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virtual void SetFocus(bool aOn, bool aRepaint);
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virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
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NS_IMETHOD Reflow(nsPresContext* aCX,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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virtual void DestroyFrom(nsIFrame* aDestructRoot);
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#ifdef NS_DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType);
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virtual void ContentStatesChanged(nsEventStates aStates);
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virtual bool IsLeaf() const;
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// nsIAnonymousContentCreator
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virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements);
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virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
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PRUint32 aFilter);
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#ifdef ACCESSIBILITY
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virtual already_AddRefed<nsAccessible> CreateAccessible();
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#endif
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typedef bool (*AcceptAttrCallback)(const nsAString&, void*);
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void ParseAcceptAttribute(AcceptAttrCallback aCallback, void* aClosure) const;
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nsIFrame* GetTextFrame() { return mTextFrame; }
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protected:
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class MouseListener;
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friend class MouseListener;
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class MouseListener : public nsIDOMEventListener {
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public:
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NS_DECL_ISUPPORTS
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MouseListener(nsFileControlFrame* aFrame) :
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mFrame(aFrame)
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{}
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void ForgetFrame() {
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mFrame = nsnull;
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}
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protected:
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nsFileControlFrame* mFrame;
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};
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class SyncDisabledStateEvent;
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friend class SyncDisabledStateEvent;
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class SyncDisabledStateEvent : public nsRunnable
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{
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public:
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SyncDisabledStateEvent(nsFileControlFrame* aFrame)
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: mFrame(aFrame)
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{}
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NS_IMETHOD Run() {
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nsFileControlFrame* frame = static_cast<nsFileControlFrame*>(mFrame.GetFrame());
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NS_ENSURE_STATE(frame);
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frame->SyncDisabledState();
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return NS_OK;
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}
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private:
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nsWeakFrame mFrame;
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};
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class CaptureMouseListener: public MouseListener {
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public:
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CaptureMouseListener(nsFileControlFrame* aFrame) : MouseListener(aFrame),
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mMode(0) {};
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NS_DECL_NSIDOMEVENTLISTENER
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PRUint32 mMode;
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};
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class BrowseMouseListener: public MouseListener {
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public:
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BrowseMouseListener(nsFileControlFrame* aFrame) : MouseListener(aFrame) {};
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NS_DECL_NSIDOMEVENTLISTENER
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static bool IsValidDropData(nsIDOMDragEvent* aEvent);
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};
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virtual bool IsFrameOfType(PRUint32 aFlags) const
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{
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return nsBlockFrame::IsFrameOfType(aFlags &
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~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
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}
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virtual PRIntn GetSkipSides() const;
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/**
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* The text frame (populated on initial reflow).
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* @see nsFileControlFrame::Reflow
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*/
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nsNewFrame* mTextFrame;
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/**
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* The text box input.
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* @see nsFileControlFrame::CreateAnonymousContent
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*/
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nsCOMPtr<nsIContent> mTextContent;
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/**
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* The browse button input.
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* @see nsFileControlFrame::CreateAnonymousContent
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*/
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nsCOMPtr<nsIContent> mBrowse;
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/**
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* The capture button input.
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* @see nsFileControlFrame::CreateAnonymousContent
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*/
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nsCOMPtr<nsIContent> mCapture;
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/**
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* Our mouse listener. This makes sure we don't get used after destruction.
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*/
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nsRefPtr<BrowseMouseListener> mMouseListener;
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nsRefPtr<CaptureMouseListener> mCaptureMouseListener;
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private:
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/**
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* Find the first text frame child (first frame child whose content has input
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* type=text) of a frame.
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* XXX this is an awfully complicated implementation of something we could
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* likely do by just doing GetPrimaryFrame on mTextContent
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*
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* @param aPresContext the current pres context
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* @param aStart the parent frame to search children of
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* @return the text control frame, or null if not found
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*/
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nsNewFrame* GetTextControlFrame(nsPresContext* aPresContext,
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nsIFrame* aStart);
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/**
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* Copy an attribute from file content to text and button content.
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* @param aNameSpaceID namespace of attr
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* @param aAttribute attribute atom
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* @param aWhichControls which controls to apply to (SYNC_TEXT or SYNC_FILE)
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*/
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void SyncAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
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PRInt32 aWhichControls);
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/**
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* Sync the disabled state of the content with anonymous children.
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*/
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void SyncDisabledState();
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};
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#endif
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