nsSplitterFrame.h - mozsearch

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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/. */

//

// nsSplitterFrame

//

#ifndef nsSplitterFrame_h__

#define nsSplitterFrame_h__

#include "mozilla/Attributes.h"

#include "mozilla/RefPtr.h"

#include "SimpleXULLeafFrame.h"

class nsSplitterFrameInner;

namespace mozilla {

class PresShell;

}  // namespace mozilla

nsIFrame* NS_NewSplitterFrame(mozilla::PresShell* aPresShell,

                              mozilla::ComputedStyle* aStyle);

class nsSplitterFrame final : public mozilla::SimpleXULLeafFrame {

 public:

  NS_DECL_FRAMEARENA_HELPERS(nsSplitterFrame)

  explicit nsSplitterFrame(ComputedStyle* aStyle, nsPresContext* aPresContext);

  void Destroy(DestroyContext&) override;

#ifdef DEBUG_FRAME_DUMP

  nsresult GetFrameName(nsAString& aResult) const override {

    return MakeFrameName(u"SplitterFrame"_ns, aResult);

#endif

  bool IsHorizontal() const { return mIsHorizontal; }

  // nsIFrame overrides

  nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,

                            int32_t aModType) override;

  void Init(nsIContent* aContent, nsContainerFrame* aParent,

            nsIFrame* aPrevInFlow) override;

  NS_IMETHOD HandlePress(nsPresContext* aPresContext,

                         mozilla::WidgetGUIEvent* aEvent,

                         nsEventStatus* aEventStatus) override;

  NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,

                                 mozilla::WidgetGUIEvent* aEvent,

                                 nsEventStatus* aEventStatus,

                                 bool aControlHeld) override;

  void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,

              const ReflowInput& aReflowInput,

              nsReflowStatus& aStatus) override;

  MOZ_CAN_RUN_SCRIPT

  NS_IMETHOD HandleDrag(nsPresContext* aPresContext,

                        mozilla::WidgetGUIEvent* aEvent,

                        nsEventStatus* aEventStatus) override;

  NS_IMETHOD HandleRelease(nsPresContext* aPresContext,

                           mozilla::WidgetGUIEvent* aEvent,

                           nsEventStatus* aEventStatus) override;

  nsresult HandleEvent(nsPresContext* aPresContext,

                       mozilla::WidgetGUIEvent* aEvent,

                       nsEventStatus* aEventStatus) override;

  void BuildDisplayList(nsDisplayListBuilder* aBuilder,

                        const nsDisplayListSet& aLists) override;

 private:

  friend class nsSplitterFrameInner;

  RefPtr<nsSplitterFrameInner> mInner;

  bool mIsHorizontal = false;

};  // class nsSplitterFrame

#endif