[escher] break table view and table view data source in two files

Change-Id: I98407e8900727d1ce8fea78c721f56192a24e1f8

escher/Makefile

@@ -23,6 +23,7 @@ objs += $(addprefix escher/src/,\
   tab_view_controller.o\
   table_view.o\
   table_view_cell.o\
+  table_view_data_source.o\
   text_field.o\
   text_view.o\
   tiled_view.o\

escher/include/escher.h

@@ -22,6 +22,7 @@
 #include <escher/tab_view_controller.h>
 #include <escher/table_view.h>
 #include <escher/table_view_cell.h>
+#include <escher/table_view_data_source.h>
 #include <escher/tiled_view.h>
 #include <escher/view.h>
 #include <escher/view_controller.h>

escher/include/escher/table_view.h

@@ -2,28 +2,7 @@
 #define ESCHER_TABLE_VIEW_H
 
 #include <escher/scroll_view.h>
-
-class TableViewDataSource {
-public:
-  virtual int numberOfRows() = 0;
-  virtual int numberOfColumns() = 0;
-  virtual void willDisplayCellAtLocation(View * cell, int i, int j);
-  virtual KDCoordinate columnWidth(int i) = 0;
-  virtual KDCoordinate rowHeight(int j) = 0;
-  /* return the number of pixels to include in offset to display the column i at
-  the top */
-  virtual KDCoordinate cumulatedWidthFromIndex(int i) = 0;
-  virtual KDCoordinate cumulatedHeightFromIndex(int j) = 0;
-  /* return the number of columns (starting with first ones) that can be fully
-   * displayed in offsetX pixels.
-   * Caution: if the offset is exactly the size of n columns, the function
-   * returns n-1. */
-  virtual int indexFromCumulatedWidth(KDCoordinate offsetX) = 0;
-  virtual int indexFromCumulatedHeight(KDCoordinate offsetY) = 0;
-  virtual View * reusableCell(int index, int type) = 0;
-  virtual int reusableCellCount(int type) = 0;
-  virtual int typeAtLocation(int i, int j) = 0;
-};
+#include <escher/table_view_data_source.h>
 
 class TableView : public ScrollView {
 public:

escher/include/escher/table_view_data_source.h

@@ -0,0 +1,28 @@
+#ifndef ESCHER_TABLE_VIEW_DATA_SOURCE_H
+#define ESCHER_TABLE_VIEW_DATA_SOURCE_H
+
+#include <escher/view.h>
+
+class TableViewDataSource {
+public:
+  virtual int numberOfRows() = 0;
+  virtual int numberOfColumns() = 0;
+  virtual void willDisplayCellAtLocation(View * cell, int i, int j);
+  virtual KDCoordinate columnWidth(int i) = 0;
+  virtual KDCoordinate rowHeight(int j) = 0;
+  /* return the number of pixels to include in offset to display the column i at
+  the top */
+  virtual KDCoordinate cumulatedWidthFromIndex(int i) = 0;
+  virtual KDCoordinate cumulatedHeightFromIndex(int j) = 0;
+  /* return the number of columns (starting with first ones) that can be fully
+   * displayed in offsetX pixels.
+   * Caution: if the offset is exactly the size of n columns, the function
+   * returns n-1. */
+  virtual int indexFromCumulatedWidth(KDCoordinate offsetX) = 0;
+  virtual int indexFromCumulatedHeight(KDCoordinate offsetY) = 0;
+  virtual View * reusableCell(int index, int type) = 0;
+  virtual int reusableCellCount(int type) = 0;
+  virtual int typeAtLocation(int i, int j) = 0;
+};
+
+#endif

escher/src/table_view.cpp

@@ -7,9 +7,6 @@ extern "C" {
 
 #define MIN(x,y) ((x)<(y) ? (x) : (y))
 
-void TableViewDataSource::willDisplayCellAtLocation(View * cell, int i, int j) {
-}
-
 TableView::TableView(TableViewDataSource * dataSource, KDCoordinate topMargin, KDCoordinate rightMargin,
     KDCoordinate bottomMargin, KDCoordinate leftMargin) :
   ScrollView(&m_contentView, topMargin, rightMargin, bottomMargin, leftMargin),

escher/src/table_view_data_source.cpp

@@ -0,0 +1,4 @@
+#include <escher/table_view_data_source.h>
+
+void TableViewDataSource::willDisplayCellAtLocation(View * cell, int i, int j) {
+}