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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsFileControlFrame_h___
#define nsFileControlFrame_h___
#include "mozilla/Attributes.h"
#include "nsBlockFrame.h"
#include "nsIFormControlFrame.h"
#include "nsIDOMEventListener.h"
#include "nsIAnonymousContentCreator.h"
#include "nsCOMPtr.h"
class nsIDOMDataTransfer;
class nsIDOMFileList;
namespace mozilla {
namespace dom {
class BlobImpl;
} // namespace dom
} // namespace mozilla
class nsFileControlFrame : public nsBlockFrame,
public nsIFormControlFrame,
public nsIAnonymousContentCreator
{
public:
explicit nsFileControlFrame(nsStyleContext* aContext);
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override;
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
// nsIFormControlFrame
virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) override;
virtual void SetFocus(bool aOn, bool aRepaint) override;
virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override;
#endif
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) override;
virtual void ContentStatesChanged(mozilla::EventStates aStates) override;
virtual bool IsLeaf() const override
{
return true;
}
// nsIAnonymousContentCreator
virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
uint32_t aFilter) override;
#ifdef ACCESSIBILITY
virtual mozilla::a11y::AccType AccessibleType() override;
#endif
typedef bool (*AcceptAttrCallback)(const nsAString&, void*);
protected:
class MouseListener;
friend class MouseListener;
class MouseListener : public nsIDOMEventListener {
public:
NS_DECL_ISUPPORTS
explicit MouseListener(nsFileControlFrame* aFrame)
: mFrame(aFrame)
{}
void ForgetFrame() {
mFrame = nullptr;
}
protected:
virtual ~MouseListener() {}
nsFileControlFrame* mFrame;
};
class SyncDisabledStateEvent;
friend class SyncDisabledStateEvent;
class SyncDisabledStateEvent : public mozilla::Runnable
{
public:
explicit SyncDisabledStateEvent(nsFileControlFrame* aFrame)
: mFrame(aFrame)
{}
NS_IMETHOD Run() override {
nsFileControlFrame* frame = static_cast<nsFileControlFrame*>(mFrame.GetFrame());
NS_ENSURE_STATE(frame);
frame->SyncDisabledState();
return NS_OK;
}
private:
nsWeakFrame mFrame;
};
class DnDListener: public MouseListener {
public:
explicit DnDListener(nsFileControlFrame* aFrame)
: MouseListener(aFrame)
{}
NS_DECL_NSIDOMEVENTLISTENER
nsresult GetBlobImplForWebkitDirectory(nsIDOMFileList* aFileList,
mozilla::dom::BlobImpl** aBlobImpl);
bool IsValidDropData(nsIDOMDataTransfer* aDOMDataTransfer);
bool CanDropTheseFiles(nsIDOMDataTransfer* aDOMDataTransfer, bool aSupportsMultiple);
};
virtual bool IsFrameOfType(uint32_t aFlags) const override
{
return nsBlockFrame::IsFrameOfType(aFlags &
~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
}
/**
* The text box input.
* @see nsFileControlFrame::CreateAnonymousContent
*/
nsCOMPtr<nsIContent> mTextContent;
/**
* The button to open a file or directory picker.
* @see nsFileControlFrame::CreateAnonymousContent
*/
nsCOMPtr<nsIContent> mBrowseFilesOrDirs;
/**
* Drag and drop mouse listener.
* This makes sure we don't get used after destruction.
*/
RefPtr<DnDListener> mMouseListener;
protected:
/**
* Sync the disabled state of the content with anonymous children.
*/
void SyncDisabledState();
/**
* Updates the displayed value by using aValue.
*/
void UpdateDisplayedValue(const nsAString& aValue, bool aNotify);
};
#endif // nsFileControlFrame_h___
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