michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsFileControlFrame_h___
michael@0: #define nsFileControlFrame_h___
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsBlockFrame.h"
michael@0: #include "nsIFormControlFrame.h"
michael@0: #include "nsIDOMEventListener.h"
michael@0: #include "nsIAnonymousContentCreator.h"
michael@0: #include "nsCOMPtr.h"
michael@0: 
michael@0: class nsTextControlFrame;
michael@0: class nsIDOMDragEvent;
michael@0: 
michael@0: class nsFileControlFrame : public nsBlockFrame,
michael@0:                            public nsIFormControlFrame,
michael@0:                            public nsIAnonymousContentCreator
michael@0: {
michael@0: public:
michael@0:   nsFileControlFrame(nsStyleContext* aContext);
michael@0: 
michael@0:   virtual void Init(nsIContent* aContent,
michael@0:                     nsIFrame*   aParent,
michael@0:                     nsIFrame*   aPrevInFlow) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
michael@0:                                 const nsRect&           aDirtyRect,
michael@0:                                 const nsDisplayListSet& aLists) MOZ_OVERRIDE;
michael@0: 
michael@0:   NS_DECL_QUERYFRAME
michael@0:   NS_DECL_FRAMEARENA_HELPERS
michael@0: 
michael@0:   // nsIFormControlFrame
michael@0:   virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE;
michael@0:   virtual void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
michael@0: 
michael@0: #ifdef DEBUG_FRAME_DUMP
michael@0:   virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
michael@0: #endif
michael@0: 
michael@0:   virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
michael@0:                                     nsIAtom*        aAttribute,
michael@0:                                     int32_t         aModType) MOZ_OVERRIDE;
michael@0:   virtual void ContentStatesChanged(mozilla::EventStates aStates) MOZ_OVERRIDE;
michael@0:   virtual bool IsLeaf() const MOZ_OVERRIDE
michael@0:   {
michael@0:     return true;
michael@0:   }
michael@0: 
michael@0:   // nsIAnonymousContentCreator
michael@0:   virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
michael@0:   virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
michael@0:                                         uint32_t aFilter) MOZ_OVERRIDE;
michael@0: 
michael@0: #ifdef ACCESSIBILITY
michael@0:   virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
michael@0: #endif
michael@0: 
michael@0:   typedef bool (*AcceptAttrCallback)(const nsAString&, void*);
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   class MouseListener;
michael@0:   friend class MouseListener;
michael@0:   class MouseListener : public nsIDOMEventListener {
michael@0:   public:
michael@0:     NS_DECL_ISUPPORTS
michael@0: 
michael@0:     MouseListener(nsFileControlFrame* aFrame)
michael@0:      : mFrame(aFrame)
michael@0:     {}
michael@0:     virtual ~MouseListener() {}
michael@0: 
michael@0:     void ForgetFrame() {
michael@0:       mFrame = nullptr;
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     nsFileControlFrame* mFrame;
michael@0:   };
michael@0: 
michael@0:   class SyncDisabledStateEvent;
michael@0:   friend class SyncDisabledStateEvent;
michael@0:   class SyncDisabledStateEvent : public nsRunnable
michael@0:   {
michael@0:   public:
michael@0:     SyncDisabledStateEvent(nsFileControlFrame* aFrame)
michael@0:       : mFrame(aFrame)
michael@0:     {}
michael@0: 
michael@0:     NS_IMETHOD Run() MOZ_OVERRIDE {
michael@0:       nsFileControlFrame* frame = static_cast<nsFileControlFrame*>(mFrame.GetFrame());
michael@0:       NS_ENSURE_STATE(frame);
michael@0: 
michael@0:       frame->SyncDisabledState();
michael@0:       return NS_OK;
michael@0:     }
michael@0: 
michael@0:   private:
michael@0:     nsWeakFrame mFrame;
michael@0:   };
michael@0: 
michael@0:   class DnDListener: public MouseListener {
michael@0:   public:
michael@0:     DnDListener(nsFileControlFrame* aFrame)
michael@0:       : MouseListener(aFrame)
michael@0:     {}
michael@0: 
michael@0:     NS_DECL_NSIDOMEVENTLISTENER
michael@0: 
michael@0:     static bool IsValidDropData(nsIDOMDragEvent* aEvent);
michael@0:   };
michael@0: 
michael@0:   virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
michael@0:   {
michael@0:     return nsBlockFrame::IsFrameOfType(aFlags &
michael@0:       ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    * The text box input.
michael@0:    * @see nsFileControlFrame::CreateAnonymousContent
michael@0:    */
michael@0:   nsCOMPtr<nsIContent> mTextContent;
michael@0:   /**
michael@0:    * The browse button input.
michael@0:    * @see nsFileControlFrame::CreateAnonymousContent
michael@0:    */
michael@0:   nsCOMPtr<nsIContent> mBrowse;
michael@0: 
michael@0:   /**
michael@0:    * Drag and drop mouse listener.
michael@0:    * This makes sure we don't get used after destruction.
michael@0:    */
michael@0:   nsRefPtr<DnDListener> mMouseListener;
michael@0: 
michael@0: protected:
michael@0:   /**
michael@0:    * Sync the disabled state of the content with anonymous children.
michael@0:    */
michael@0:   void SyncDisabledState();
michael@0: 
michael@0:   /**
michael@0:    * Updates the displayed value by using aValue.
michael@0:    */
michael@0:   void UpdateDisplayedValue(const nsAString& aValue, bool aNotify);
michael@0: };
michael@0: 
michael@0: #endif // nsFileControlFrame_h___