Refactoring dimens for cell size / gap

-> fixing some dimens from previous commit

Change-Id: Ibab49bfb0dc403a67ab88c4ecadc49eb533eae29
diff --git a/res/values-land/dimens.xml b/res/values-land/dimens.xml
index 69d68be..e94d780 100644
--- a/res/values-land/dimens.xml
+++ b/res/values-land/dimens.xml
@@ -20,8 +20,6 @@
     <dimen name="toolbar_button_horizontal_padding">4dip</dimen>
 
 <!-- Workspace -->
-    <dimen name="workspace_cell_width">106dp</dimen>
-    <dimen name="workspace_cell_height">74dp</dimen>
     <dimen name="hotseat_cell_width">64dp</dimen>
     <dimen name="hotseat_cell_height">58dp</dimen>
     <!-- We really want the page spacing to be the max of either the button bar
@@ -77,4 +75,10 @@
 <!-- Folders -->
     <!-- The size of the image which sits behind the preview of the folder contents -->
     <dimen name="folder_preview_size">58dp</dimen>
+
+<!-- Workspace cell size -->
+    <dimen name="workspace_cell_width">@dimen/workspace_cell_width_land</dimen>
+    <dimen name="workspace_cell_height">@dimen/workspace_cell_height_land</dimen>
+    <dimen name="workspace_width_gap">@dimen/workspace_width_gap_land</dimen>
+    <dimen name="workspace_height_gap">@dimen/workspace_height_gap_land</dimen>
 </resources>
diff --git a/res/values-port/dimens.xml b/res/values-port/dimens.xml
index 193f331..969d335 100644
--- a/res/values-port/dimens.xml
+++ b/res/values-port/dimens.xml
@@ -50,4 +50,10 @@
     <dimen name="apps_customize_widget_cell_height_gap">10dp</dimen>
     <integer name="apps_customize_widget_cell_count_x">2</integer>
     <integer name="apps_customize_widget_cell_count_y">3</integer>
+
+<!-- Workspace cell size -->
+    <dimen name="workspace_cell_width">@dimen/workspace_cell_width_port</dimen>
+    <dimen name="workspace_cell_height">@dimen/workspace_cell_height_port</dimen>
+    <dimen name="workspace_width_gap">@dimen/workspace_width_gap_port</dimen>
+    <dimen name="workspace_height_gap">@dimen/workspace_height_gap_port</dimen>
 </resources>
diff --git a/res/values-sw340dp/dimens.xml b/res/values-sw340dp/dimens.xml
index 8f5a367..42fbb47 100644
--- a/res/values-sw340dp/dimens.xml
+++ b/res/values-sw340dp/dimens.xml
@@ -18,10 +18,6 @@
     <!-- Drag padding to add to the bottom of drop targets -->
     <dimen name="drop_target_drag_padding">20dp</dimen>
 
-<!-- Workspace -->
-    <dimen name="workspace_width_gap">0dp</dimen>
-    <dimen name="workspace_height_gap">0dp</dimen>
-
 <!-- Hotseat -->
     <dimen name="hotseat_width_gap">0dp</dimen>
     <dimen name="hotseat_height_gap">0dp</dimen>
@@ -35,12 +31,18 @@
     <dimen name="button_bar_height_plus_padding">80dp</dimen>
 
 <!-- CellLayout padding land / port-->
-    <dimen name="cell_layout_left_padding_portrait">8dp</dimen>
-    <dimen name="cell_layout_left_padding_landscape">8dp</dimen>
-    <dimen name="cell_layout_right_padding_portrait">8dp</dimen>
-    <dimen name="cell_layout_right_padding_landscape">8dp</dimen>
-    <dimen name="cell_layout_top_padding_portrait">8dp</dimen>
-    <dimen name="cell_layout_top_padding_landscape">8dp</dimen>
-    <dimen name="cell_layout_bottom_padding_portrait">8dp</dimen>
-    <dimen name="cell_layout_bottom_padding_landscape">8dp</dimen>
+    <dimen name="cell_layout_left_padding_port">8dp</dimen>
+    <dimen name="cell_layout_left_padding_land">8dp</dimen>
+    <dimen name="cell_layout_right_padding_port">8dp</dimen>
+    <dimen name="cell_layout_right_padding_land">8dp</dimen>
+    <dimen name="cell_layout_top_padding_port">8dp</dimen>
+    <dimen name="cell_layout_top_padding_land">8dp</dimen>
+    <dimen name="cell_layout_bottom_padding_port">8dp</dimen>
+    <dimen name="cell_layout_bottom_padding_land">8dp</dimen>
+
+<!-- Workspace cell size -->
+    <dimen name="workspace_width_gap_land">0dp</dimen>
+    <dimen name="workspace_width_gap_port">0dp</dimen>
+    <dimen name="workspace_height_gap_land">0dp</dimen>
+    <dimen name="workspace_height_gap_port">0dp</dimen>
 </resources>
diff --git a/res/values-sw600dp-land/dimens.xml b/res/values-sw600dp-land/dimens.xml
index 7db0a8a..3e18417 100644
--- a/res/values-sw600dp-land/dimens.xml
+++ b/res/values-sw600dp-land/dimens.xml
@@ -22,12 +22,6 @@
 <!-- Hotseat -->
     <dimen name="hotseat_cell_width">75dp</dimen>
     <dimen name="hotseat_cell_height">75dp</dimen>
-
-<!-- Workspace -->
-    <dimen name="workspace_cell_width">96dp</dimen>
-    <dimen name="workspace_cell_height">86dp</dimen>
-    <dimen name="workspace_width_gap">32dp</dimen>
-    <dimen name="workspace_height_gap">0dp</dimen>
     <dimen name="workspace_icon_text_size">11sp</dimen>
 
 <!-- Folders -->
diff --git a/res/values-sw600dp-port/dimens.xml b/res/values-sw600dp-port/dimens.xml
index 9565992..c813725 100644
--- a/res/values-sw600dp-port/dimens.xml
+++ b/res/values-sw600dp-port/dimens.xml
@@ -17,8 +17,6 @@
 <resources>
 <!-- Workspace -->
     <integer name="app_icon_scale_percent">-1</integer>
-    <dimen name="workspace_width_gap">0dp</dimen>
-    <dimen name="workspace_height_gap">32dp</dimen>
 
 <!-- AppsCustomize -->
     <dimen name="apps_customize_cell_width">96dp</dimen>
diff --git a/res/values-sw600dp/dimens.xml b/res/values-sw600dp/dimens.xml
index a0d7ec8..0797632 100644
--- a/res/values-sw600dp/dimens.xml
+++ b/res/values-sw600dp/dimens.xml
@@ -20,10 +20,6 @@
     <dimen name="app_icon_drawable_padding">3dp</dimen>
     <dimen name="app_icon_padding_top">4dp</dimen>
 
-<!-- Workspace -->
-    <dimen name="workspace_cell_width">96dp</dimen>
-    <dimen name="workspace_cell_height">96dp</dimen>
-
 <!-- Hotseat -->
     <dimen name="hotseat_width_gap">-1dp</dimen>
     <dimen name="hotseat_height_gap">-1dp</dimen>
@@ -50,4 +46,15 @@
     <dimen name="apps_customize_tab_bar_margin_top">8dp</dimen>
     <dimen name="apps_customize_widget_cell_width_gap">36dp</dimen>
     <dimen name="apps_customize_widget_cell_height_gap">36dp</dimen>
+
+<!-- Workspace cell size -->
+    <dimen name="workspace_cell_width_land">96dp</dimen>
+    <dimen name="workspace_cell_width_port">96dp</dimen>
+    <dimen name="workspace_cell_height_land">86dp</dimen>
+    <dimen name="workspace_cell_height_port">96dp</dimen>
+    <dimen name="workspace_width_gap_land">32dp</dimen>
+    <dimen name="workspace_width_gap_port">0dp</dimen>
+    <dimen name="workspace_height_gap_land">0dp</dimen>
+    <dimen name="workspace_height_gap_port">32dp</dimen>
+
 </resources>
diff --git a/res/values-sw720dp-land/dimens.xml b/res/values-sw720dp-land/dimens.xml
index 2d39fc7..8252450 100644
--- a/res/values-sw720dp-land/dimens.xml
+++ b/res/values-sw720dp-land/dimens.xml
@@ -22,8 +22,6 @@
     <dimen name="apps_customize_pageLayoutPaddingRight">16dp</dimen>
 
 <!-- Workspace -->
-    <dimen name="workspace_width_gap">32dp</dimen>
-    <dimen name="workspace_height_gap">2dp</dimen>
     <dimen name="workspace_page_spacing">50dp</dimen>
 
     <!-- the area at the edge of the screen that makes the workspace go left
diff --git a/res/values-sw720dp-port/dimens.xml b/res/values-sw720dp-port/dimens.xml
index 9a0261b..9cf37ff 100644
--- a/res/values-sw720dp-port/dimens.xml
+++ b/res/values-sw720dp-port/dimens.xml
@@ -31,8 +31,6 @@
     <!-- the area at the edge of the screen that makes the workspace go left
          or right while you're dragging. -->
     <dimen name="scroll_zone">40dp</dimen>
-    <dimen name="workspace_width_gap">0dp</dimen>
-    <dimen name="workspace_height_gap">32dp</dimen>
     <dimen name="workspace_page_spacing">24dp</dimen>
 
     <integer name="apps_customize_cling_focused_x">2</integer>
diff --git a/res/values-sw720dp/dimens.xml b/res/values-sw720dp/dimens.xml
index dc1c65a..37f62b8 100644
--- a/res/values-sw720dp/dimens.xml
+++ b/res/values-sw720dp/dimens.xml
@@ -24,8 +24,6 @@
     <!-- This should be @dimen/qsb_bar_height - @dimen/workspace_top_padding
          to fix the extra space given to draw portals -->
     <dimen name="workspace_content_large_only_top_margin">36dp</dimen>
-    <dimen name="workspace_cell_width">96dip</dimen>
-    <dimen name="workspace_cell_height">96dip</dimen>
 
     <dimen name="folder_cell_width">96dp</dimen>
     <dimen name="folder_cell_height">96dp</dimen>
@@ -55,14 +53,14 @@
     <dimen name="dragViewOffsetY">0dp</dimen>
 
 <!-- CellLayout padding land / port-->
-    <dimen name="cell_layout_left_padding_portrait">15dp</dimen>
-    <dimen name="cell_layout_left_padding_landscape">24dp</dimen>
-    <dimen name="cell_layout_right_padding_portrait">15dp</dimen>
-    <dimen name="cell_layout_right_padding_landscape">24dp</dimen>
-    <dimen name="cell_layout_top_padding_portrait">25dp</dimen>
-    <dimen name="cell_layout_top_padding_landscape">12dp</dimen>
-    <dimen name="cell_layout_bottom_padding_portrait">25dp</dimen>
-    <dimen name="cell_layout_bottom_padding_landscape">12dp</dimen>
+    <dimen name="cell_layout_left_padding_port">15dp</dimen>
+    <dimen name="cell_layout_left_padding_land">24dp</dimen>
+    <dimen name="cell_layout_right_padding_port">15dp</dimen>
+    <dimen name="cell_layout_right_padding_land">24dp</dimen>
+    <dimen name="cell_layout_top_padding_port">25dp</dimen>
+    <dimen name="cell_layout_top_padding_land">12dp</dimen>
+    <dimen name="cell_layout_bottom_padding_port">25dp</dimen>
+    <dimen name="cell_layout_bottom_padding_land">12dp</dimen>
 
 <!-- Workspace padding -->
     <dimen name="workspace_left_padding_port">0dp</dimen>
@@ -73,4 +71,14 @@
     <dimen name="workspace_top_padding_land">@dimen/workspace_content_large_only_top_margin</dimen>
     <dimen name="workspace_bottom_padding_port">0dp</dimen>
     <dimen name="workspace_bottom_padding_land">0dp</dimen>
+
+<!-- Workspace cell size -->
+    <dimen name="workspace_cell_width_land">96dp</dimen>
+    <dimen name="workspace_cell_width_port">96dp</dimen>
+    <dimen name="workspace_cell_height_land">96dp</dimen>
+    <dimen name="workspace_cell_height_port">96dp</dimen>
+    <dimen name="workspace_width_gap_land">32dp</dimen>
+    <dimen name="workspace_width_gap_port">0dp</dimen>
+    <dimen name="workspace_height_gap_land">2dp</dimen>
+    <dimen name="workspace_height_gap_port">32dp</dimen>
 </resources>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index ff17ec4..d3b9c1e 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -30,10 +30,6 @@
     <dimen name="qsb_padding_left">0dp</dimen>
     <dimen name="qsb_padding_right">0dp</dimen>
     <dimen name="search_bar_height">40dp</dimen>
-    <dimen name="workspace_cell_width">80dp</dimen>
-    <dimen name="workspace_cell_height">100dp</dimen>
-    <dimen name="workspace_width_gap">-1dp</dimen>
-    <dimen name="workspace_height_gap">-1dp</dimen>
     <dimen name="workspace_max_gap">16dp</dimen>
     <dimen name="folder_cell_width">74dp</dimen>
     <dimen name="folder_cell_height">82dp</dimen>
@@ -140,4 +136,13 @@
     <dimen name="workspace_bottom_padding_port">@dimen/button_bar_height</dimen>
     <dimen name="workspace_bottom_padding_land">0dp</dimen>
 
+<!-- Workspace cell size -->
+    <dimen name="workspace_cell_width_land">106dp</dimen>
+    <dimen name="workspace_cell_width_port">80dp</dimen>
+    <dimen name="workspace_cell_height_land">74dp</dimen>
+    <dimen name="workspace_cell_height_port">100dp</dimen>
+    <dimen name="workspace_width_gap_land">-1dp</dimen>
+    <dimen name="workspace_width_gap_port">-1dp</dimen>
+    <dimen name="workspace_height_gap_land">-1dp</dimen>
+    <dimen name="workspace_height_gap_port">-1dp</dimen>
 </resources>
diff --git a/src/com/android/launcher2/CellLayout.java b/src/com/android/launcher2/CellLayout.java
index 10eb8f8..24e4047 100644
--- a/src/com/android/launcher2/CellLayout.java
+++ b/src/com/android/launcher2/CellLayout.java
@@ -58,8 +58,6 @@
     static final String TAG = "CellLayout";
 
     private Launcher mLauncher;
-    private int mOriginalCellWidth;
-    private int mOriginalCellHeight;
     private int mCellWidth;
     private int mCellHeight;
 
@@ -178,10 +176,8 @@
 
         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0);
 
-        mOriginalCellWidth =
-            mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10);
-        mOriginalCellHeight =
-            mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10);
+        mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10);
+        mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10);
         mWidthGap = mOriginalWidthGap = a.getDimensionPixelSize(R.styleable.CellLayout_widthGap, 0);
         mHeightGap = mOriginalHeightGap = a.getDimensionPixelSize(R.styleable.CellLayout_heightGap, 0);
         mMaxGap = a.getDimensionPixelSize(R.styleable.CellLayout_maxGap, 0);
@@ -914,6 +910,54 @@
         return r;
     }
 
+    final int LANDSCAPE = 0;
+    final int PORTRAIT = 1;
+    void getCellLayoutMetrics(int measureWidth, int measureHeight, int orientation, Rect metrics) {
+        int numWidthGaps = mCountX - 1;
+        int numHeightGaps = mCountY - 1;
+
+        int widthGap;
+        int heightGap;
+        int cellWidth;
+        int cellHeight;
+        int paddingLeft;
+        int paddingRight;
+        int paddingTop;
+        int paddingBottom;
+
+        Resources res = getContext().getResources();
+        if (orientation == LANDSCAPE) {
+            cellWidth = res.getDimensionPixelSize(R.dimen.workspace_cell_width_land);
+            cellHeight = res.getDimensionPixelSize(R.dimen.workspace_cell_height_land);
+            widthGap = res.getDimensionPixelSize(R.dimen.workspace_width_gap_land);
+            heightGap = res.getDimensionPixelSize(R.dimen.workspace_height_gap_land);
+            paddingLeft = res.getDimensionPixelSize(R.dimen.cell_layout_left_padding_land);
+            paddingRight = res.getDimensionPixelSize(R.dimen.cell_layout_right_padding_land);
+            paddingTop = res.getDimensionPixelSize(R.dimen.cell_layout_top_padding_land);
+            paddingBottom = res.getDimensionPixelSize(R.dimen.cell_layout_bottom_padding_land);
+        } else {
+            // PORTRAIT
+            cellWidth = res.getDimensionPixelSize(R.dimen.workspace_cell_width_port);
+            cellHeight = res.getDimensionPixelSize(R.dimen.workspace_cell_height_port);
+            widthGap = res.getDimensionPixelSize(R.dimen.workspace_width_gap_port);
+            heightGap = res.getDimensionPixelSize(R.dimen.workspace_height_gap_port);
+            paddingLeft = res.getDimensionPixelSize(R.dimen.cell_layout_left_padding_port);
+            paddingRight = res.getDimensionPixelSize(R.dimen.cell_layout_right_padding_port);
+            paddingTop = res.getDimensionPixelSize(R.dimen.cell_layout_top_padding_port);
+            paddingBottom = res.getDimensionPixelSize(R.dimen.cell_layout_bottom_padding_port);
+        }
+
+        if (widthGap < 0 || heightGap < 0) {
+            int hSpace = measureWidth - paddingLeft - paddingRight;
+            int vSpace = measureHeight - paddingTop - paddingBottom;
+            int hFreeSpace = hSpace - (mCountX * cellWidth);
+            int vFreeSpace = vSpace - (mCountY * cellHeight);
+            widthGap = Math.min(mMaxGap, numWidthGaps > 0 ? (hFreeSpace / numWidthGaps) : 0);
+            heightGap = Math.min(mMaxGap, numHeightGaps > 0 ? (vFreeSpace / numHeightGaps) : 0);
+        }
+        metrics.set(cellWidth, cellHeight, widthGap, heightGap);
+    }
+
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         // TODO: currently ignoring padding
@@ -932,10 +976,10 @@
         int numHeightGaps = mCountY - 1;
 
         if (mOriginalWidthGap < 0 || mOriginalHeightGap < 0) {
-            int hSpace = widthSpecSize - getPaddingLeft() - getPaddingRight();
-            int vSpace = heightSpecSize - getPaddingTop() - getPaddingBottom();
-            int hFreeSpace = hSpace - (mCountX * mOriginalCellWidth);
-            int vFreeSpace = vSpace - (mCountY * mOriginalCellHeight);
+            int hSpace = widthSpecSize - mPaddingLeft - mPaddingRight;
+            int vSpace = heightSpecSize - mPaddingTop - mPaddingBottom;
+            int hFreeSpace = hSpace - (mCountX * mCellWidth);
+            int vFreeSpace = vSpace - (mCountY * mCellHeight);
             mWidthGap = Math.min(mMaxGap, numWidthGaps > 0 ? (hFreeSpace / numWidthGaps) : 0);
             mHeightGap = Math.min(mMaxGap,numHeightGaps > 0 ? (vFreeSpace / numHeightGaps) : 0);
             mShortcutsAndWidgets.setCellDimensions(mCellWidth, mCellHeight, mWidthGap, mHeightGap);