The Tor Browser: layout/forms/nsButtonFrameRenderer.h@8bccb770b82d

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsButtonFrameRenderer_h___

     7 #define nsButtonFrameRenderer_h___

     9 #include "nsAutoPtr.h"

    10 #include "nsMargin.h"

    12 class nsIFrame;

    13 class nsFrame;

    14 class nsDisplayList;

    15 class nsDisplayListBuilder;

    16 class nsPresContext;

    17 class nsRenderingContext;

    18 class nsRect;

    19 class nsStyleContext;

    22 #define NS_BUTTON_RENDERER_FOCUS_INNER_CONTEXT_INDEX  0

    23 #define NS_BUTTON_RENDERER_FOCUS_OUTER_CONTEXT_INDEX  1

    24 #define NS_BUTTON_RENDERER_LAST_CONTEXT_INDEX   NS_BUTTON_RENDERER_FOCUS_OUTER_CONTEXT_INDEX

    26 class nsButtonFrameRenderer {

    27 public:

    29   nsButtonFrameRenderer();

    30   ~nsButtonFrameRenderer();

    32   /**

    33    * Create display list items for the button

    34    */

    35   nsresult DisplayButton(nsDisplayListBuilder* aBuilder,

    36                          nsDisplayList* aBackground, nsDisplayList* aForeground);

    39   void PaintOutlineAndFocusBorders(nsPresContext* aPresContext,

    40                                    nsRenderingContext& aRenderingContext,

    41                                    const nsRect& aDirtyRect,

    42                                    const nsRect& aRect);

    44   void PaintBorderAndBackground(nsPresContext* aPresContext,

    45                                 nsRenderingContext& aRenderingContext,

    46                                 const nsRect& aDirtyRect,

    47                                 const nsRect& aRect,

    48                                 uint32_t aBGFlags);

    50   void SetFrame(nsFrame* aFrame, nsPresContext* aPresContext);

    52   void SetDisabled(bool aDisabled, bool notify);

    54   bool isActive();

    55   bool isDisabled();

    57   void GetButtonOuterFocusRect(const nsRect& aRect, nsRect& aResult);

    58   void GetButtonRect(const nsRect& aRect, nsRect& aResult);

    59   void GetButtonInnerFocusRect(const nsRect& aRect, nsRect& aResult);

    60   nsMargin GetButtonOuterFocusBorderAndPadding();

    61   nsMargin GetButtonBorderAndPadding();

    62   nsMargin GetButtonInnerFocusMargin();

    63   nsMargin GetButtonInnerFocusBorderAndPadding();

    64   nsMargin GetAddedButtonBorderAndPadding();

    66   nsStyleContext* GetStyleContext(int32_t aIndex) const;

    67   void SetStyleContext(int32_t aIndex, nsStyleContext* aStyleContext);

    68   void ReResolveStyles(nsPresContext* aPresContext);

    70   nsIFrame* GetFrame();

    72 protected:

    74 private:

    76   // cached styles for focus and outline.

    77   nsRefPtr<nsStyleContext> mBorderStyle;

    78   nsRefPtr<nsStyleContext> mInnerFocusStyle;

    79   nsRefPtr<nsStyleContext> mOuterFocusStyle;

    81   nsFrame* mFrame;

    82 };

    85 #endif

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