layout/forms/nsFileControlFrame.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/forms/nsFileControlFrame.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,157 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef nsFileControlFrame_h___
    1.10 +#define nsFileControlFrame_h___
    1.11 +
    1.12 +#include "mozilla/Attributes.h"
    1.13 +#include "nsBlockFrame.h"
    1.14 +#include "nsIFormControlFrame.h"
    1.15 +#include "nsIDOMEventListener.h"
    1.16 +#include "nsIAnonymousContentCreator.h"
    1.17 +#include "nsCOMPtr.h"
    1.18 +
    1.19 +class nsTextControlFrame;
    1.20 +class nsIDOMDragEvent;
    1.21 +
    1.22 +class nsFileControlFrame : public nsBlockFrame,
    1.23 +                           public nsIFormControlFrame,
    1.24 +                           public nsIAnonymousContentCreator
    1.25 +{
    1.26 +public:
    1.27 +  nsFileControlFrame(nsStyleContext* aContext);
    1.28 +
    1.29 +  virtual void Init(nsIContent* aContent,
    1.30 +                    nsIFrame*   aParent,
    1.31 +                    nsIFrame*   aPrevInFlow) MOZ_OVERRIDE;
    1.32 +
    1.33 +  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
    1.34 +                                const nsRect&           aDirtyRect,
    1.35 +                                const nsDisplayListSet& aLists) MOZ_OVERRIDE;
    1.36 +
    1.37 +  NS_DECL_QUERYFRAME
    1.38 +  NS_DECL_FRAMEARENA_HELPERS
    1.39 +
    1.40 +  // nsIFormControlFrame
    1.41 +  virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE;
    1.42 +  virtual void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE;
    1.43 +
    1.44 +  virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
    1.45 +
    1.46 +  virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
    1.47 +
    1.48 +#ifdef DEBUG_FRAME_DUMP
    1.49 +  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
    1.50 +#endif
    1.51 +
    1.52 +  virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
    1.53 +                                    nsIAtom*        aAttribute,
    1.54 +                                    int32_t         aModType) MOZ_OVERRIDE;
    1.55 +  virtual void ContentStatesChanged(mozilla::EventStates aStates) MOZ_OVERRIDE;
    1.56 +  virtual bool IsLeaf() const MOZ_OVERRIDE
    1.57 +  {
    1.58 +    return true;
    1.59 +  }
    1.60 +
    1.61 +  // nsIAnonymousContentCreator
    1.62 +  virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
    1.63 +  virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
    1.64 +                                        uint32_t aFilter) MOZ_OVERRIDE;
    1.65 +
    1.66 +#ifdef ACCESSIBILITY
    1.67 +  virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
    1.68 +#endif
    1.69 +
    1.70 +  typedef bool (*AcceptAttrCallback)(const nsAString&, void*);
    1.71 +
    1.72 +protected:
    1.73 +
    1.74 +  class MouseListener;
    1.75 +  friend class MouseListener;
    1.76 +  class MouseListener : public nsIDOMEventListener {
    1.77 +  public:
    1.78 +    NS_DECL_ISUPPORTS
    1.79 +
    1.80 +    MouseListener(nsFileControlFrame* aFrame)
    1.81 +     : mFrame(aFrame)
    1.82 +    {}
    1.83 +    virtual ~MouseListener() {}
    1.84 +
    1.85 +    void ForgetFrame() {
    1.86 +      mFrame = nullptr;
    1.87 +    }
    1.88 +
    1.89 +  protected:
    1.90 +    nsFileControlFrame* mFrame;
    1.91 +  };
    1.92 +
    1.93 +  class SyncDisabledStateEvent;
    1.94 +  friend class SyncDisabledStateEvent;
    1.95 +  class SyncDisabledStateEvent : public nsRunnable
    1.96 +  {
    1.97 +  public:
    1.98 +    SyncDisabledStateEvent(nsFileControlFrame* aFrame)
    1.99 +      : mFrame(aFrame)
   1.100 +    {}
   1.101 +
   1.102 +    NS_IMETHOD Run() MOZ_OVERRIDE {
   1.103 +      nsFileControlFrame* frame = static_cast<nsFileControlFrame*>(mFrame.GetFrame());
   1.104 +      NS_ENSURE_STATE(frame);
   1.105 +
   1.106 +      frame->SyncDisabledState();
   1.107 +      return NS_OK;
   1.108 +    }
   1.109 +
   1.110 +  private:
   1.111 +    nsWeakFrame mFrame;
   1.112 +  };
   1.113 +
   1.114 +  class DnDListener: public MouseListener {
   1.115 +  public:
   1.116 +    DnDListener(nsFileControlFrame* aFrame)
   1.117 +      : MouseListener(aFrame)
   1.118 +    {}
   1.119 +
   1.120 +    NS_DECL_NSIDOMEVENTLISTENER
   1.121 +
   1.122 +    static bool IsValidDropData(nsIDOMDragEvent* aEvent);
   1.123 +  };
   1.124 +
   1.125 +  virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
   1.126 +  {
   1.127 +    return nsBlockFrame::IsFrameOfType(aFlags &
   1.128 +      ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
   1.129 +  }
   1.130 +
   1.131 +  /**
   1.132 +   * The text box input.
   1.133 +   * @see nsFileControlFrame::CreateAnonymousContent
   1.134 +   */
   1.135 +  nsCOMPtr<nsIContent> mTextContent;
   1.136 +  /**
   1.137 +   * The browse button input.
   1.138 +   * @see nsFileControlFrame::CreateAnonymousContent
   1.139 +   */
   1.140 +  nsCOMPtr<nsIContent> mBrowse;
   1.141 +
   1.142 +  /**
   1.143 +   * Drag and drop mouse listener.
   1.144 +   * This makes sure we don't get used after destruction.
   1.145 +   */
   1.146 +  nsRefPtr<DnDListener> mMouseListener;
   1.147 +
   1.148 +protected:
   1.149 +  /**
   1.150 +   * Sync the disabled state of the content with anonymous children.
   1.151 +   */
   1.152 +  void SyncDisabledState();
   1.153 +
   1.154 +  /**
   1.155 +   * Updates the displayed value by using aValue.
   1.156 +   */
   1.157 +  void UpdateDisplayedValue(const nsAString& aValue, bool aNotify);
   1.158 +};
   1.159 +
   1.160 +#endif // nsFileControlFrame_h___

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