/* -*- 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___