import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

layout/forms/nsFormControlFrame.h

@@ -0,0 +1,129 @@
+/* -*- 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
+