CMFileManager: Do not create multiple action dialogs

Multiple instances of ActionsDialog are created if the user
clicks the menu too quickly.

Do not create an instance if a dialog has already been displayed.

CRs-Fixed: 960229, 970649
Change-Id: I610331cf71cb1b59aef6f89d8fdcb1c6ccda6044

2 files changed, 18 insertions, 4 deletions

diff --git a/src/com/cyanogenmod/filemanager/activities/NavigationActivity.java b/src/com/cyanogenmod/filemanager/activities/NavigationActivity.java
index 675a8745..fa165c4c 100755
--- a/src/com/cyanogenmod/filemanager/activities/NavigationActivity.java
+++ b/src/com/cyanogenmod/filemanager/activities/NavigationActivity.java
@@ -208,6 +208,7 @@ public class NavigationActivity extends Activity
     private InputMethodManager mImm;
     private FilesystemInfoDialog.OnConfigChangeListener mOnConfigChangeListener;
     private ListPopupWindow mPopupWindow;
+    private ActionsDialog mActionsDialog;
 
     private final BroadcastReceiver mNotificationReceiver = new BroadcastReceiver() {
         @Override
@@ -2530,10 +2531,13 @@ public class NavigationActivity extends Activity
         // For this to work, SecureConsole NEEDS to be refactored.
 
         // Show the dialog
-        ActionsDialog dialog = new ActionsDialog(this, this, item, global, false);
-        dialog.setOnRequestRefreshListener(this);
-        dialog.setOnSelectionListener(getCurrentNavigationView());
-        dialog.show();
+        if (mActionsDialog != null && mActionsDialog.isShowing()) {
+            return;
+        }
+        mActionsDialog = new ActionsDialog(this, this, item, global, false);
+        mActionsDialog.setOnRequestRefreshListener(this);
+        mActionsDialog.setOnSelectionListener(getCurrentNavigationView());
+        mActionsDialog.show();
     }
 
     /**
diff --git a/src/com/cyanogenmod/filemanager/ui/dialogs/ActionsDialog.java b/src/com/cyanogenmod/filemanager/ui/dialogs/ActionsDialog.java
index 753c382f..4d0c436a 100644
--- a/src/com/cyanogenmod/filemanager/ui/dialogs/ActionsDialog.java
+++ b/src/com/cyanogenmod/filemanager/ui/dialogs/ActionsDialog.java
@@ -199,6 +199,16 @@ public class ActionsDialog implements OnItemClickListener, OnItemLongClickListen
     }
 
     /**
+     * Method that judges whether the dialog is showing.
+     */
+    public boolean isShowing() {
+        if (this.mDialog != null) {
+            return this.mDialog.isShowing();
+        }
+        return false;
+    }
+
+    /**
      * {@inheritDoc}
      */
     @Override