The Tor Browser: layout/tables/nsITableLayoutStrategy.h@7e26c7da4463

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 // vim:cindent:ts=4:et:sw=4:

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

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

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

     7 /*

     8  * interface for the set of algorithms that determine column and table

     9  * widths

    10  */

    12 #ifndef nsITableLayoutStrategy_h_

    13 #define nsITableLayoutStrategy_h_

    15 #include "nscore.h"

    16 #include "nsCoord.h"

    18 class nsRenderingContext;

    19 struct nsHTMLReflowState;

    21 class nsITableLayoutStrategy

    22 {

    23 public:

    24     virtual ~nsITableLayoutStrategy() {}

    26     /** Implement nsIFrame::GetMinWidth for the table */

    27     virtual nscoord GetMinWidth(nsRenderingContext* aRenderingContext) = 0;

    29     /** Implement nsIFrame::GetPrefWidth for the table */

    30     virtual nscoord GetPrefWidth(nsRenderingContext* aRenderingContext,

    31                                  bool aComputingSize) = 0;

    33     /** Implement nsIFrame::MarkIntrinsicWidthsDirty for the table */

    34     virtual void MarkIntrinsicWidthsDirty() = 0;

    36     /**

    37      * Compute final column widths based on the intrinsic width data and

    38      * the available width.

    39      */

    40     virtual void ComputeColumnWidths(const nsHTMLReflowState& aReflowState) = 0;

    42     /**

    43      * Return the type of table layout strategy, without the cost of

    44      * a virtual function call

    45      */

    46     enum Type { Auto, Fixed };

    47     Type GetType() const { return mType; }

    49 protected:

    50     nsITableLayoutStrategy(Type aType) : mType(aType) {}

    51 private:

    52     Type mType;

    53 };

    55 #endif /* !defined(nsITableLayoutStrategy_h_) */

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