/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Communicator client code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ // // Eric Vaughan // Netscape Communications // // See documentation in associated header file // #include "nsGridLayout2.h" #include "nsGridRowGroupLayout.h" #include "nsGridRow.h" #include "nsBox.h" #include "nsIScrollableFrame.h" #include "nsSprocketLayout.h" nsresult NS_NewGridLayout2( nsIPresShell* aPresShell, nsIBoxLayout** aNewLayout) { *aNewLayout = new nsGridLayout2(aPresShell); NS_IF_ADDREF(*aNewLayout); return NS_OK; } nsGridLayout2::nsGridLayout2(nsIPresShell* aPresShell):nsStackLayout() { } NS_IMETHODIMP nsGridLayout2::Layout(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState) { // XXX This should be set a better way! mGrid.SetBox(aBox); #ifdef DEBUG { nsCOMPtr lm; aBox->GetLayoutManager(getter_AddRefs(lm)); NS_ASSERTION(lm == this, "setting incorrect box"); } #endif nsresult rv = nsStackLayout::Layout(aBox, aBoxLayoutState); #ifdef DEBUG_grid mGrid.PrintCellMap(); #endif return rv; } void nsGridLayout2::IntrinsicWidthsDirty(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState) { nsStackLayout::IntrinsicWidthsDirty(aBox, aBoxLayoutState); // XXXldb We really don't need to do all the work that NeedsRebuild // does; we just need to mark intrinsic widths dirty on the // (row/column)(s/-groups). mGrid.NeedsRebuild(aBoxLayoutState); } nsGrid* nsGridLayout2::GetGrid(nsIBox* aBox, PRInt32* aIndex, nsGridRowLayout* aRequestor) { // XXX This should be set a better way! mGrid.SetBox(aBox); #ifdef DEBUG { nsCOMPtr lm; aBox->GetLayoutManager(getter_AddRefs(lm)); NS_ASSERTION(lm == this, "setting incorrect box"); } #endif return &mGrid; } void nsGridLayout2::AddWidth(nsSize& aSize, nscoord aSize2, PRBool aIsHorizontal) { nscoord& size = GET_WIDTH(aSize, aIsHorizontal); if (size != NS_INTRINSICSIZE) { if (aSize2 == NS_INTRINSICSIZE) size = NS_INTRINSICSIZE; else size += aSize2; } } nsSize nsGridLayout2::GetMinSize(nsIBox* aBox, nsBoxLayoutState& aState) { nsSize minSize = nsStackLayout::GetMinSize(aBox, aState); // if there are no tags that will sum up our columns, // sum up our columns here. nsSize total(0,0); nsIBox* rowsBox = mGrid.GetRowsBox(); nsIBox* columnsBox = mGrid.GetColumnsBox(); if (!rowsBox || !columnsBox) { if (!rowsBox) { // max height is the sum of our rows PRInt32 rows = mGrid.GetRowCount(); for (PRInt32 i=0; i < rows; i++) { nscoord height = mGrid.GetMinRowHeight(aState, i, PR_TRUE); AddWidth(total, height, PR_FALSE); // AddHeight } } if (!columnsBox) { // max height is the sum of our rows PRInt32 columns = mGrid.GetColumnCount(); for (PRInt32 i=0; i < columns; i++) { nscoord width = mGrid.GetMinRowHeight(aState, i, PR_FALSE); AddWidth(total, width, PR_TRUE); // AddWidth } } AddMargin(aBox, total); AddOffset(aState, aBox, total); AddLargestSize(minSize, total); } return minSize; } nsSize nsGridLayout2::GetPrefSize(nsIBox* aBox, nsBoxLayoutState& aState) { nsSize pref = nsStackLayout::GetPrefSize(aBox, aState); // if there are no tags that will sum up our columns, // sum up our columns here. nsSize total(0,0); nsIBox* rowsBox = mGrid.GetRowsBox(); nsIBox* columnsBox = mGrid.GetColumnsBox(); if (!rowsBox || !columnsBox) { if (!rowsBox) { // max height is the sum of our rows PRInt32 rows = mGrid.GetRowCount(); for (PRInt32 i=0; i < rows; i++) { nscoord height = mGrid.GetPrefRowHeight(aState, i, PR_TRUE); AddWidth(total, height, PR_FALSE); // AddHeight } } if (!columnsBox) { // max height is the sum of our rows PRInt32 columns = mGrid.GetColumnCount(); for (PRInt32 i=0; i < columns; i++) { nscoord width = mGrid.GetPrefRowHeight(aState, i, PR_FALSE); AddWidth(total, width, PR_TRUE); // AddWidth } } AddMargin(aBox, total); AddOffset(aState, aBox, total); AddLargestSize(pref, total); } return pref; } nsSize nsGridLayout2::GetMaxSize(nsIBox* aBox, nsBoxLayoutState& aState) { nsSize maxSize = nsStackLayout::GetMaxSize(aBox, aState); // if there are no tags that will sum up our columns, // sum up our columns here. nsSize total(NS_INTRINSICSIZE, NS_INTRINSICSIZE); nsIBox* rowsBox = mGrid.GetRowsBox(); nsIBox* columnsBox = mGrid.GetColumnsBox(); if (!rowsBox || !columnsBox) { if (!rowsBox) { total.height = 0; // max height is the sum of our rows PRInt32 rows = mGrid.GetRowCount(); for (PRInt32 i=0; i < rows; i++) { nscoord height = mGrid.GetMaxRowHeight(aState, i, PR_TRUE); AddWidth(total, height, PR_FALSE); // AddHeight } } if (!columnsBox) { total.width = 0; // max height is the sum of our rows PRInt32 columns = mGrid.GetColumnCount(); for (PRInt32 i=0; i < columns; i++) { nscoord width = mGrid.GetMaxRowHeight(aState, i, PR_FALSE); AddWidth(total, width, PR_TRUE); // AddWidth } } AddMargin(aBox, total); AddOffset(aState, aBox, total); AddSmallestSize(maxSize, total); } return maxSize; } PRInt32 nsGridLayout2::BuildRows(nsIBox* aBox, nsGridRow* aRows) { if (aBox) { aRows[0].Init(aBox, PR_TRUE); return 1; } return 0; } nsMargin nsGridLayout2::GetTotalMargin(nsIBox* aBox, PRBool aIsHorizontal) { nsMargin margin(0,0,0,0); return margin; } void nsGridLayout2::ChildrenInserted(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aPrevBox, nsIBox* aChildList) { mGrid.NeedsRebuild(aState); } void nsGridLayout2::ChildrenAppended(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList) { mGrid.NeedsRebuild(aState); } void nsGridLayout2::ChildrenRemoved(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList) { mGrid.NeedsRebuild(aState); } void nsGridLayout2::ChildrenSet(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList) { mGrid.NeedsRebuild(aState); } NS_IMPL_ADDREF_INHERITED(nsGridLayout2, nsStackLayout) NS_IMPL_RELEASE_INHERITED(nsGridLayout2, nsStackLayout) NS_INTERFACE_MAP_BEGIN(nsGridLayout2) NS_INTERFACE_MAP_ENTRY(nsIGridPart) NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIGridPart) NS_INTERFACE_MAP_END_INHERITING(nsStackLayout)