Fix shortcut intent when using less than 3 homescreens

This patch fixes issue 6192 as outlined at the URL below:
http://code.google.com/p/cyanogenmod/issues/detail?id=6192

To reproduce the issue set the number of home screens to 2 or less and try to add a shortcut as follows:
- open "People" application
- select a contact
- using context menu, choose "Place on Home screen"
- go to home screen to see crash

Change-Id: Ib1c7f6b1cf5055714b4d9e57c637c8a7fa05e9d8

1 files changed, 5 insertions, 1 deletions

diff --git a/src/com/cyanogenmod/trebuchet/InstallShortcutReceiver.java b/src/com/cyanogenmod/trebuchet/InstallShortcutReceiver.java
index 7cca81fbb..e95efde6f 100644
--- a/src/com/cyanogenmod/trebuchet/InstallShortcutReceiver.java
+++ b/src/com/cyanogenmod/trebuchet/InstallShortcutReceiver.java
@@ -26,6 +26,7 @@ import android.os.Debug;
 import android.widget.Toast;
 
 import com.cyanogenmod.trebuchet.R;
+import com.cyanogenmod.trebuchet.preference.PreferencesProvider;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -137,7 +138,10 @@ public class InstallShortcutReceiver extends BroadcastReceiver {
 
             // Try adding to the workspace screens incrementally, starting at the default or center
             // screen and alternating between +1, -1, +2, -2, etc. (using ~ ceil(i/2f)*(-1)^(i-1))
-            final int screen = Launcher.DEFAULT_SCREEN;
+            final int screenCount = PreferencesProvider.Interface.Homescreen.getNumberHomescreens(context);
+            final int screenDefault = PreferencesProvider.Interface.Homescreen.getDefaultHomescreen(context, screenCount / 2);
+            final int screen = (screenDefault >= screenCount) ? screenCount / 2 : screenDefault;
+
             for (int i = 0; i < (2 * Launcher.MAX_SCREEN_COUNT) + 1 && !found; ++i) {
                 int si = screen + (int) ((i / 2f) + 0.5f) * ((i % 2 == 1) ? 1 : -1);
                 if (0 <= si && si < Launcher.MAX_SCREEN_COUNT) {