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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /accessible/tests/mochitest/grid.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | accessible/tests/mochitest/grid.js | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/accessible/tests/mochitest/grid.js b/accessible/tests/mochitest/grid.js new file mode 100644 index 0000000000..4a2e01ee9b --- /dev/null +++ b/accessible/tests/mochitest/grid.js @@ -0,0 +1,142 @@ +/* import-globals-from common.js */ + +/** + * Create grid object based on HTML table. + */ +function grid(aTableIdentifier) { + this.getRowCount = function getRowCount() { + return this.table.rows.length - (this.table.tHead ? 1 : 0); + }; + this.getColsCount = function getColsCount() { + return this.table.rows[0].cells.length; + }; + + this.getRowAtIndex = function getRowAtIndex(aIndex) { + return this.table.rows[this.table.tHead ? aIndex + 1 : aIndex]; + }; + + this.getMaxIndex = function getMaxIndex() { + return this.getRowCount() * this.getColsCount() - 1; + }; + + this.getCellAtIndex = function getCellAtIndex(aIndex) { + var colsCount = this.getColsCount(); + + var rowIdx = Math.floor(aIndex / colsCount); + var colIdx = aIndex % colsCount; + + var row = this.getRowAtIndex(rowIdx); + return row.cells[colIdx]; + }; + + this.getIndexByCell = function getIndexByCell(aCell) { + var colIdx = aCell.cellIndex; + + var rowIdx = aCell.parentNode.rowIndex; + if (this.table.tHead) { + rowIdx -= 1; + } + + var colsCount = this.getColsCount(); + return rowIdx * colsCount + colIdx; + }; + + this.getCurrentCell = function getCurrentCell() { + var rowCount = this.table.rows.length; + var colsCount = this.getColsCount(); + for (var rowIdx = 0; rowIdx < rowCount; rowIdx++) { + for (var colIdx = 0; colIdx < colsCount; colIdx++) { + var cell = this.table.rows[rowIdx].cells[colIdx]; + if (cell.hasAttribute("tabindex")) { + return cell; + } + } + } + return null; + }; + + this.initGrid = function initGrid() { + this.table.addEventListener("keypress", this); + this.table.addEventListener("click", this); + }; + + this.handleEvent = function handleEvent(aEvent) { + if (aEvent instanceof KeyboardEvent) { + this.handleKeyEvent(aEvent); + } else { + this.handleClickEvent(aEvent); + } + }; + + this.handleKeyEvent = function handleKeyEvent(aEvent) { + if (aEvent.target.localName != "td") { + return; + } + + var cell = aEvent.target; + switch (aEvent.keyCode) { + case KeyboardEvent.DOM_VK_UP: { + let colsCount = this.getColsCount(); + let idx = this.getIndexByCell(cell); + var upidx = idx - colsCount; + if (upidx >= 0) { + cell.removeAttribute("tabindex"); + var upcell = this.getCellAtIndex(upidx); + upcell.setAttribute("tabindex", "0"); + upcell.focus(); + } + break; + } + case KeyboardEvent.DOM_VK_DOWN: { + let colsCount = this.getColsCount(); + let idx = this.getIndexByCell(cell); + var downidx = idx + colsCount; + if (downidx <= this.getMaxIndex()) { + cell.removeAttribute("tabindex"); + var downcell = this.getCellAtIndex(downidx); + downcell.setAttribute("tabindex", "0"); + downcell.focus(); + } + break; + } + case KeyboardEvent.DOM_VK_LEFT: { + let idx = this.getIndexByCell(cell); + if (idx > 0) { + cell.removeAttribute("tabindex"); + var prevcell = this.getCellAtIndex(idx - 1); + prevcell.setAttribute("tabindex", "0"); + prevcell.focus(); + } + break; + } + case KeyboardEvent.DOM_VK_RIGHT: { + let idx = this.getIndexByCell(cell); + if (idx < this.getMaxIndex()) { + cell.removeAttribute("tabindex"); + var nextcell = this.getCellAtIndex(idx + 1); + nextcell.setAttribute("tabindex", "0"); + nextcell.focus(); + } + break; + } + } + }; + + this.handleClickEvent = function handleClickEvent(aEvent) { + if (aEvent.target.localName != "td") { + return; + } + + var curCell = this.getCurrentCell(); + var cell = aEvent.target; + + if (cell != curCell) { + curCell.removeAttribute("tabindex"); + cell.setAttribute("tabindex", "0"); + cell.focus(); + } + }; + + this.table = getNode(aTableIdentifier); + this.initGrid(); +} |