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-rw-r--r--layout/forms/nsFormControlFrame.h129
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diff --git a/layout/forms/nsFormControlFrame.h b/layout/forms/nsFormControlFrame.h
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+/* -*- 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 nsFormControlFrame_h___
+#define nsFormControlFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsIFormControlFrame.h"
+#include "nsAtomicContainerFrame.h"
+#include "nsDisplayList.h"
+
+/**
+ * nsFormControlFrame is the base class for radio buttons and
+ * checkboxes. It also has two static methods (RegUnRegAccessKey and
+ * GetScreenHeight) that are used by other form controls.
+ */
+class nsFormControlFrame : public nsAtomicContainerFrame,
+ public nsIFormControlFrame
+{
+public:
+ /**
+ * Main constructor
+ * @param aContent the content representing this frame
+ * @param aParentFrame the parent frame
+ */
+ explicit nsFormControlFrame(nsStyleContext*);
+
+ virtual nsIAtom* GetType() const override;
+
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ return nsAtomicContainerFrame::IsFrameOfType(aFlags &
+ ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
+ }
+
+ NS_DECL_QUERYFRAME
+ NS_DECL_ABSTRACT_FRAME(nsFormControlFrame)
+
+ // nsIFrame replacements
+ virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+ const nsRect& aDirtyRect,
+ const nsDisplayListSet& aLists) override {
+ DO_GLOBAL_REFLOW_COUNT_DSP("nsFormControlFrame");
+ DisplayBorderBackgroundOutline(aBuilder, aLists);
+ }
+
+ /**
+ * Both GetMinISize and GetPrefISize will return whatever GetIntrinsicISize
+ * returns.
+ */
+ virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
+ virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
+
+ /**
+ * Our auto size is just intrinsic width and intrinsic height.
+ */
+ virtual mozilla::LogicalSize
+ ComputeAutoSize(nsRenderingContext* aRenderingContext,
+ mozilla::WritingMode aWM,
+ const mozilla::LogicalSize& aCBSize,
+ nscoord aAvailableISize,
+ const mozilla::LogicalSize& aMargin,
+ const mozilla::LogicalSize& aBorder,
+ const mozilla::LogicalSize& aPadding,
+ ComputeSizeFlags aFlags) override;
+
+ /**
+ * Respond to a gui event
+ * @see nsIFrame::HandleEvent
+ */
+ virtual nsresult HandleEvent(nsPresContext* aPresContext,
+ mozilla::WidgetGUIEvent* aEvent,
+ nsEventStatus* aEventStatus) override;
+
+ virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode)
+ const override;
+
+ /**
+ * Respond to the request to resize and/or reflow
+ * @see nsIFrame::Reflow
+ */
+ virtual void Reflow(nsPresContext* aCX,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
+
+ // new behavior
+
+ virtual void SetFocus(bool aOn = true, bool aRepaint = false) override;
+
+ // nsIFormControlFrame
+ virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) override;
+
+ // AccessKey Helper function
+ static nsresult RegUnRegAccessKey(nsIFrame * aFrame, bool aDoReg);
+
+ /**
+ * Returns the usable screen rect in app units, eg the rect where we can
+ * draw dropdowns.
+ */
+ static nsRect GetUsableScreenRect(nsPresContext* aPresContext);
+
+protected:
+
+ virtual ~nsFormControlFrame();
+
+ nscoord GetIntrinsicISize();
+ nscoord GetIntrinsicBSize();
+
+//
+//-------------------------------------------------------------------------------------
+// Utility methods for managing checkboxes and radiobuttons
+//-------------------------------------------------------------------------------------
+//
+ /**
+ * Get the state of the checked attribute.
+ * @param aState set to true if the checked attribute is set,
+ * false if the checked attribute has been removed
+ */
+
+ void GetCurrentCheckState(bool* aState);
+};
+
+#endif
+