/* -*- 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/. */ // // 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" #include "mozilla/ReflowInput.h" nsresult NS_NewGridLayout2( nsIPresShell* aPresShell, nsBoxLayout** aNewLayout) { *aNewLayout = new nsGridLayout2(aPresShell); NS_IF_ADDREF(*aNewLayout); return NS_OK; } nsGridLayout2::nsGridLayout2(nsIPresShell* aPresShell):nsStackLayout() { } nsGridLayout2::~nsGridLayout2() { } // static void nsGridLayout2::AddOffset(nsIFrame* aChild, nsSize& aSize) { nsMargin offset; GetOffset(aChild, offset); aSize.width += offset.left; aSize.height += offset.top; } NS_IMETHODIMP nsGridLayout2::XULLayout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) { // XXX This should be set a better way! mGrid.SetBox(aBox); NS_ASSERTION(aBox->GetXULLayoutManager() == this, "setting incorrect box"); nsresult rv = nsStackLayout::XULLayout(aBox, aBoxLayoutState); #ifdef DEBUG_grid mGrid.PrintCellMap(); #endif return rv; } void nsGridLayout2::IntrinsicISizesDirty(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) { nsStackLayout::IntrinsicISizesDirty(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(nsIFrame* aBox, int32_t* aIndex, nsGridRowLayout* aRequestor) { // XXX This should be set a better way! mGrid.SetBox(aBox); NS_ASSERTION(aBox->GetXULLayoutManager() == this, "setting incorrect box"); return &mGrid; } void nsGridLayout2::AddWidth(nsSize& aSize, nscoord aSize2, bool aIsHorizontal) { nscoord& size = GET_WIDTH(aSize, aIsHorizontal); if (size != NS_INTRINSICSIZE) { if (aSize2 == NS_INTRINSICSIZE) size = NS_INTRINSICSIZE; else size += aSize2; } } nsSize nsGridLayout2::GetXULMinSize(nsIFrame* aBox, nsBoxLayoutState& aState) { nsSize minSize = nsStackLayout::GetXULMinSize(aBox, aState); // if there are no <rows> tags that will sum up our columns, // sum up our columns here. nsSize total(0,0); nsIFrame* rowsBox = mGrid.GetRowsBox(); nsIFrame* columnsBox = mGrid.GetColumnsBox(); if (!rowsBox || !columnsBox) { if (!rowsBox) { // max height is the sum of our rows int32_t rows = mGrid.GetRowCount(); for (int32_t i=0; i < rows; i++) { nscoord height = mGrid.GetMinRowHeight(aState, i, true); AddWidth(total, height, false); // AddHeight } } if (!columnsBox) { // max height is the sum of our rows int32_t columns = mGrid.GetColumnCount(); for (int32_t i=0; i < columns; i++) { nscoord width = mGrid.GetMinRowHeight(aState, i, false); AddWidth(total, width, true); // AddWidth } } AddMargin(aBox, total); AddOffset(aBox, total); AddLargestSize(minSize, total); } return minSize; } nsSize nsGridLayout2::GetXULPrefSize(nsIFrame* aBox, nsBoxLayoutState& aState) { nsSize pref = nsStackLayout::GetXULPrefSize(aBox, aState); // if there are no <rows> tags that will sum up our columns, // sum up our columns here. nsSize total(0,0); nsIFrame* rowsBox = mGrid.GetRowsBox(); nsIFrame* columnsBox = mGrid.GetColumnsBox(); if (!rowsBox || !columnsBox) { if (!rowsBox) { // max height is the sum of our rows int32_t rows = mGrid.GetRowCount(); for (int32_t i=0; i < rows; i++) { nscoord height = mGrid.GetPrefRowHeight(aState, i, true); AddWidth(total, height, false); // AddHeight } } if (!columnsBox) { // max height is the sum of our rows int32_t columns = mGrid.GetColumnCount(); for (int32_t i=0; i < columns; i++) { nscoord width = mGrid.GetPrefRowHeight(aState, i, false); AddWidth(total, width, true); // AddWidth } } AddMargin(aBox, total); AddOffset(aBox, total); AddLargestSize(pref, total); } return pref; } nsSize nsGridLayout2::GetXULMaxSize(nsIFrame* aBox, nsBoxLayoutState& aState) { nsSize maxSize = nsStackLayout::GetXULMaxSize(aBox, aState); // if there are no <rows> tags that will sum up our columns, // sum up our columns here. nsSize total(NS_INTRINSICSIZE, NS_INTRINSICSIZE); nsIFrame* rowsBox = mGrid.GetRowsBox(); nsIFrame* columnsBox = mGrid.GetColumnsBox(); if (!rowsBox || !columnsBox) { if (!rowsBox) { total.height = 0; // max height is the sum of our rows int32_t rows = mGrid.GetRowCount(); for (int32_t i=0; i < rows; i++) { nscoord height = mGrid.GetMaxRowHeight(aState, i, true); AddWidth(total, height, false); // AddHeight } } if (!columnsBox) { total.width = 0; // max height is the sum of our rows int32_t columns = mGrid.GetColumnCount(); for (int32_t i=0; i < columns; i++) { nscoord width = mGrid.GetMaxRowHeight(aState, i, false); AddWidth(total, width, true); // AddWidth } } AddMargin(aBox, total); AddOffset(aBox, total); AddSmallestSize(maxSize, total); } return maxSize; } int32_t nsGridLayout2::BuildRows(nsIFrame* aBox, nsGridRow* aRows) { if (aBox) { aRows[0].Init(aBox, true); return 1; } return 0; } nsMargin nsGridLayout2::GetTotalMargin(nsIFrame* aBox, bool aIsHorizontal) { nsMargin margin(0,0,0,0); return margin; } void nsGridLayout2::ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aPrevBox, const nsFrameList::Slice& aNewChildren) { mGrid.NeedsRebuild(aState); } void nsGridLayout2::ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState, const nsFrameList::Slice& aNewChildren) { mGrid.NeedsRebuild(aState); } void nsGridLayout2::ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) { mGrid.NeedsRebuild(aState); } void nsGridLayout2::ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* 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)