[escher] make simple table view data source inherit from table view

Change-Id: Ia3c64b643f633e4c7c6fd0f921fe6a79336a7b64

escher/src/simple_table_view_data_source.cpp

@@ -0,0 +1,52 @@
+#include <escher/simple_table_view_data_source.h>
+#include <escher/metric.h>
+
+extern "C" {
+#include <assert.h>
+}
+
+KDCoordinate SimpleTableViewDataSource::columnWidth(int i) {
+  return cellWidth();
+}
+
+KDCoordinate SimpleTableViewDataSource::rowHeight(int j) {
+  return cellHeight();
+}
+
+KDCoordinate SimpleTableViewDataSource::cumulatedWidthFromIndex(int i) {
+  return cellWidth() * i;
+}
+
+KDCoordinate SimpleTableViewDataSource::cumulatedHeightFromIndex(int j) {
+  return cellHeight() * j;
+}
+
+int SimpleTableViewDataSource::indexFromCumulatedWidth(KDCoordinate offsetX) {
+  KDCoordinate width = cellWidth();
+  if (width == 0) {
+    return 0;
+  }
+  return (offsetX - 1) / width;
+}
+
+int SimpleTableViewDataSource::indexFromCumulatedHeight(KDCoordinate offsetY) {
+  KDCoordinate height = cellHeight();
+  if (height == 0) {
+    return 0;
+  }
+  return (offsetY - 1) / height;
+}
+
+View * SimpleTableViewDataSource::reusableCell(int index, int type) {
+  assert(type == 0);
+  return reusableCell(index);
+}
+
+int SimpleTableViewDataSource::reusableCellCount(int type) {
+  assert(type == 0);
+  return reusableCellCount();
+}
+
+int SimpleTableViewDataSource::typeAtLocation(int i, int j) {
+  return 0;
+}