From f71e67d47f681b55a8b68d051e607e8478958638 Mon Sep 17 00:00:00 2001
From: BogDan Vatra <bogdan@kde.org>
Date: Sun, 4 Nov 2012 12:50:14 +0200
Subject: Check the free space before start downloading the libs.

Bump version to 8.9
---
 Ministro/AndroidManifest.xml                       |  2 +-
 Ministro/res/values/strings.xml                    |  1 +
 .../kde/necessitas/ministro/MinistroActivity.java  | 80 +++++++++++++++++++++-
 3 files changed, 81 insertions(+), 2 deletions(-)

diff --git a/Ministro/AndroidManifest.xml b/Ministro/AndroidManifest.xml
index 98fbd85..9b7d55c 100644
--- a/Ministro/AndroidManifest.xml
+++ b/Ministro/AndroidManifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="org.kde.necessitas.ministro" android:versionName="8.3" android:versionCode="8">
+    package="org.kde.necessitas.ministro" android:versionName="8.9" android:versionCode="8">
     <application android:icon="@drawable/icon" android:label="@string/app_name">
         <activity android:name=".MinistroActivity"
                 android:label="@string/app_name"
diff --git a/Ministro/res/values/strings.xml b/Ministro/res/values/strings.xml
index 464c3d4..934af00 100644
--- a/Ministro/res/values/strings.xml
+++ b/Ministro/res/values/strings.xml
@@ -22,4 +22,5 @@
     <string name="check_frequency">Check for updates frequency (days)</string>
     <string name="extracting_look_n_feel_msg">Extracting the device look&amp;feel information. Please wait...</string>
     <string name="invalid_qt_version">Invalid Qt version</string>
+    <string name="ministro_disk_space_msg">Not enough space to download required libraries.\nPlease free at least an additional %1$s of space.</string>
 </resources>
diff --git a/Ministro/src/org/kde/necessitas/ministro/MinistroActivity.java b/Ministro/src/org/kde/necessitas/ministro/MinistroActivity.java
index 6b0f6e7..c9d6bd7 100644
--- a/Ministro/src/org/kde/necessitas/ministro/MinistroActivity.java
+++ b/Ministro/src/org/kde/necessitas/ministro/MinistroActivity.java
@@ -36,6 +36,7 @@ import java.security.cert.CertificateException;
 import java.security.cert.X509Certificate;
 import java.util.ArrayList;
 import java.util.Enumeration;
+import java.util.concurrent.Semaphore;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
@@ -67,6 +68,7 @@ import android.os.Bundle;
 import android.os.IBinder;
 import android.os.PowerManager;
 import android.os.PowerManager.WakeLock;
+import android.os.StatFs;
 import android.provider.Settings;
 import android.util.Log;
 
@@ -154,7 +156,82 @@ public class MinistroActivity extends Activity
             alert.show();
         }
     }
+    private AlertDialog m_distSpaceDialog=null;
+    private final int freeSpaceCode=0xf3ee500;
+    private Semaphore m_diskSpaceSemaphore = new Semaphore(0);
 
+    private boolean checkFreeSpace(final long size) throws InterruptedException
+    {
+        final StatFs stat = new StatFs(m_qtLibsRootPath);
+        if (stat.getBlockSize() * stat.getAvailableBlocks() < size)
+        {
+            runOnUiThread(new Runnable() {
+                public void run() {
+
+                    AlertDialog.Builder builder = new AlertDialog.Builder(MinistroActivity.this);
+                    builder.setMessage(getResources().getString(R.string.ministro_disk_space_msg,
+                                                (size-(stat.getBlockSize() * stat.getAvailableBlocks()))/1024+"Kb"));
+                    builder.setCancelable(true);
+                    builder.setNeutralButton(getResources().getString(R.string.settings_msg), new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int id) {
+                                try {
+                                    startActivityForResult(new Intent(Settings.ACTION_MANAGE_APPLICATIONS_SETTINGS), freeSpaceCode);
+                                } catch(Exception e) {
+                                    e.printStackTrace();
+                                    try {
+                                        startActivityForResult(new Intent(Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS), freeSpaceCode);
+                                    } catch(Exception e1) {
+
+                                        e1.printStackTrace();
+                                    }
+                                }
+                            }
+                        });
+                    builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int id)
+                            {
+                                dialog.dismiss();
+                                m_diskSpaceSemaphore.release();
+                            }
+                        });
+                    builder.setOnCancelListener(new DialogInterface.OnCancelListener() {
+                        public void onCancel(DialogInterface dialog)
+                        {
+                            dialog.dismiss();
+                            m_diskSpaceSemaphore.release();
+                        }
+                    });
+                    m_distSpaceDialog = builder.create();
+                    m_distSpaceDialog.show();
+                }
+            });
+            m_diskSpaceSemaphore.acquire();
+        }
+        else
+            return true;
+
+        return stat.getBlockSize() * stat.getAvailableBlocks()>size;
+    }
+
+    protected void onActivityResult (int requestCode, int resultCode, Intent data)
+    {
+        if (requestCode == freeSpaceCode)
+        {
+            m_diskSpaceSemaphore.release();
+            try
+            {
+                if (m_distSpaceDialog != null)
+                {
+                    m_distSpaceDialog.dismiss();
+                    m_distSpaceDialog = null;
+                }
+            }
+            catch(Exception e)
+            {
+                e.printStackTrace();
+            }
+        }
+    }
     private ServiceConnection m_ministroConnection=new ServiceConnection()
     {
         public void onServiceConnected(ComponentName name, IBinder service)
@@ -423,8 +500,9 @@ public class MinistroActivity extends Activity
                         for (int j=0;j<params[i].needs.length;j++)
                             m_totalSize+=params[i].needs[j].size;
                 }
-
                 m_dialog.setMax(m_totalSize);
+                if (!checkFreeSpace(m_totalSize))
+                    return null;
                 for (int i=0;i<params.length;i++)
                 {
                     if (isCancelled())
-- 
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