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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "nsIDOMEventListener.h"
#include "nsIAnonymousContentCreator.h"
namespace mozilla::dom {
class FileList;
class BlobImpl;
class DataTransfer;
} // namespace mozilla::dom
class nsFileControlFrame final : public nsBlockFrame,
public nsIAnonymousContentCreator {
using Element = mozilla::dom::Element;
public:
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS(nsFileControlFrame)
explicit nsFileControlFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext);
void Init(nsIContent* aContent, nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
void Reflow(nsPresContext* aPresContext, ReflowOutput& aReflowOutput,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
void SelectedFilesUpdated();
void Destroy(DestroyContext&) override;
#ifdef DEBUG_FRAME_DUMP
nsresult GetFrameName(nsAString& aResult) const override;
#endif
void ElementStateChanged(mozilla::dom::ElementState aStates) override;
// nsIAnonymousContentCreator
nsresult CreateAnonymousContent(nsTArray<ContentInfo>&) override;
void AppendAnonymousContentTo(nsTArray<nsIContent*>&,
uint32_t aFilter) override;
#ifdef ACCESSIBILITY
mozilla::a11y::AccType AccessibleType() override;
#endif
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() = default;
nsFileControlFrame* mFrame;
};
class SyncDisabledStateEvent;
friend class SyncDisabledStateEvent;
class SyncDisabledStateEvent : public mozilla::Runnable {
public:
explicit SyncDisabledStateEvent(nsFileControlFrame* aFrame)
: mozilla::Runnable("nsFileControlFrame::SyncDisabledStateEvent"),
mFrame(aFrame) {}
NS_IMETHOD Run() override {
nsFileControlFrame* frame =
static_cast<nsFileControlFrame*>(mFrame.GetFrame());
NS_ENSURE_STATE(frame);
frame->SyncDisabledState();
return NS_OK;
}
private:
WeakFrame mFrame;
};
class DnDListener : public MouseListener {
public:
explicit DnDListener(nsFileControlFrame* aFrame) : MouseListener(aFrame) {}
// nsIDOMEventListener
MOZ_CAN_RUN_SCRIPT_BOUNDARY
NS_IMETHOD HandleEvent(mozilla::dom::Event* aEvent) override;
nsresult GetBlobImplForWebkitDirectory(mozilla::dom::FileList* aFileList,
mozilla::dom::BlobImpl** aBlobImpl);
bool IsValidDropData(mozilla::dom::DataTransfer* aDataTransfer);
bool CanDropTheseFiles(mozilla::dom::DataTransfer* aDataTransfer,
bool aSupportsMultiple);
};
/**
* The text box input.
* @see nsFileControlFrame::CreateAnonymousContent
*/
RefPtr<Element> mTextContent;
/**
* The button to open a file or directory picker.
* @see nsFileControlFrame::CreateAnonymousContent
*/
RefPtr<Element> 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();
};
#endif // nsFileControlFrame_h___
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