Support import/export vCard from both internal/external storage

- when import/export vCard file, if both internal and external
  storage are avaliable, it will pops up a dialog to let user
  select witch storage will be used.

Change-Id: Ie56f7d58cf409ff1db8075a1b283aabdbdb158cb

6 files changed, 162 insertions, 18 deletions

diff --git a/res/values-zh-rCN/strings.xml b/res/values-zh-rCN/strings.xml
index 2c0b3bb6..24f19901 100644
--- a/res/values-zh-rCN/strings.xml
+++ b/res/values-zh-rCN/strings.xml
@@ -271,6 +271,7 @@
     <string name="copy_done">复制成功！</string>
     <string name="copy_failure">复制失败！</string>
     <string name="card_no_space">卡记录已满，部分信息未复制</string>
+    <string name="select_path">请选择路径</string>
     <string name="description_clear_search" msgid="3893511425518852086">"清除搜索内容"</string>
     <string name="settings_contact_display_options_title" msgid="1020420603072835628">"联系人显示选项"</string>
 </resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 4dc69c3e..e2e76443 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -830,6 +830,6 @@ a        ren't members of any other group. [CHAR LIMIT=25] -->
     <string name="ipcall_dialog_edit_hint">Please input the IP prefix</string>
 
     <string name="Import_All">Import Contacts From All SIMs</string>
-
+    <string name="select_path">Select Path</string>
     <string name="select_sim">Select SIM</string>
 </resources>
diff --git a/src/com/android/contacts/common/MoreContactUtils.java b/src/com/android/contacts/common/MoreContactUtils.java
index 4d43a87c..6e55ca9b 100644
--- a/src/com/android/contacts/common/MoreContactUtils.java
+++ b/src/com/android/contacts/common/MoreContactUtils.java
@@ -43,6 +43,10 @@ import android.net.Uri;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemProperties;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.storage.StorageManager;
+import android.os.storage.StorageVolume;
 import android.provider.ContactsContract;
 import android.provider.ContactsContract.CommonDataKinds.Email;
 import android.provider.ContactsContract.CommonDataKinds.Phone;
@@ -318,6 +322,32 @@ public class MoreContactUtils {
         return resources.getBoolean(R.bool.config_show_operator);
     }
 
+    public static boolean sdCardExist(Context context) {
+        boolean ret = false;
+        StorageManager mStorageManager = (StorageManager) context
+                .getSystemService(Context.STORAGE_SERVICE);
+        if (mStorageManager.getVolumeState(getSDPath(context)).equals(
+                android.os.Environment.MEDIA_MOUNTED)) {
+            ret = true;
+        }
+        return ret;
+    }
+
+    public static String getSDPath(Context context) {
+        String sd = null;
+        StorageManager mStorageManager = (StorageManager) context
+                .getSystemService(Context.STORAGE_SERVICE);
+        StorageVolume[] volumes = mStorageManager.getVolumeList();
+        for (int i = 0; i < volumes.length; i++) {
+            if (volumes[i].isRemovable() && volumes[i].allowMassStorage()
+                    && !volumes[i].isPrimary()
+                    && volumes[i].getDescription(context).contains("SD")) {
+                sd = volumes[i].getPath();
+            }
+        }
+        return sd;
+    }
+
     public static boolean isAPMOnAndSIMPowerDown(Context context) {
         if (context == null) {
             return false;
diff --git a/src/com/android/contacts/common/vcard/ExportVCardActivity.java b/src/com/android/contacts/common/vcard/ExportVCardActivity.java
index 6310082e..625412e8 100644
--- a/src/com/android/contacts/common/vcard/ExportVCardActivity.java
+++ b/src/com/android/contacts/common/vcard/ExportVCardActivity.java
@@ -33,6 +33,7 @@ import android.os.Messenger;
 import android.text.TextUtils;
 import android.util.Log;
 
+import com.android.contacts.common.MoreContactUtils;
 import com.android.contacts.common.R;
 
 import java.io.File;
@@ -119,6 +120,8 @@ public class ExportVCardActivity extends Activity implements ServiceConnection,
     // String for storing error reason temporarily.
     private String mErrorReason;
 
+    private int mSelectedStorage = VCardService.INTERNAL_PATH;
+
     private class ExportConfirmationListener implements DialogInterface.OnClickListener {
         private final Uri mDestinationUri;
 
@@ -150,27 +153,15 @@ public class ExportVCardActivity extends Activity implements ServiceConnection,
     protected void onCreate(Bundle bundle) {
         super.onCreate(bundle);
 
-        // Check directory is available.
-        if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
-            Log.w(LOG_TAG, "External storage is in state " + Environment.getExternalStorageState() +
-                    ". Cancelling export");
-            showDialog(R.id.dialog_sdcard_not_found);
-            return;
-        }
-
-        final File targetDirectory = Environment.getExternalStorageDirectory();
-        if (!(targetDirectory.exists() &&
-                targetDirectory.isDirectory() &&
-                targetDirectory.canRead()) &&
-                !targetDirectory.mkdirs()) {
-            showDialog(R.id.dialog_sdcard_not_found);
-            return;
-        }
+        checkStorage();
+    }
 
+    private void runExportContacts() {
         final String callingActivity = getIntent().getExtras()
                 .getString(VCardCommonArguments.ARG_CALLING_ACTIVITY);
         Intent intent = new Intent(this, VCardService.class);
         intent.putExtra(VCardCommonArguments.ARG_CALLING_ACTIVITY, callingActivity);
+        intent.putExtra(VCardService.STORAGE_PATH, mSelectedStorage);
 
         if (startService(intent) == null) {
             Log.e(LOG_TAG, "Failed to start vCard service");
@@ -191,6 +182,69 @@ public class ExportVCardActivity extends Activity implements ServiceConnection,
         }
     }
 
+    private void checkStorage() {
+        boolean sdExist = MoreContactUtils.sdCardExist(this);
+        boolean inExist = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
+        if (sdExist && inExist) {
+            CharSequence[] storage_list = new CharSequence[2];
+            storage_list[VCardService.INTERNAL_PATH] = Environment.getExternalStorageDirectory()
+                    .getPath();
+            storage_list[VCardService.EXTERNAL_PATH] = MoreContactUtils.getSDPath(this);
+            AlertDialog.Builder builder = new AlertDialog.Builder(this);
+            builder.setTitle(R.string.select_path);
+            builder.setSingleChoiceItems(storage_list, 0, new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int which) {
+                    Log.d(LOG_TAG, "onClicked Dialog on which = " + which);
+                    mSelectedStorage = which;
+                }
+            });
+
+            AlertDialog dialog = builder.create();
+            dialog.setButton(DialogInterface.BUTTON_POSITIVE, getString(android.R.string.ok),
+                    new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            runExportContacts();
+                        }
+                    });
+            dialog.setButton(DialogInterface.BUTTON_NEGATIVE, getString(android.R.string.cancel),
+                    new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            mSelectedStorage = VCardService.INVALID_PATH;
+                        }
+                    });
+            dialog.show();
+        } else if (inExist) {
+            mSelectedStorage = VCardService.INTERNAL_PATH;
+
+            // Check directory is available.
+            if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+                Log.w(LOG_TAG, "External storage is in state "
+                        + Environment.getExternalStorageState() + ". Cancelling export");
+                showDialog(R.id.dialog_sdcard_not_found);
+                return;
+            }
+
+            final File targetDirectory = Environment.getExternalStorageDirectory();
+            if (!(targetDirectory.exists() &&
+                    targetDirectory.isDirectory() &&
+                    targetDirectory.canRead()) &&
+                    !targetDirectory.mkdirs()) {
+                showDialog(R.id.dialog_sdcard_not_found);
+                return;
+            }
+
+            runExportContacts();
+        } else if (sdExist) {
+            mSelectedStorage = VCardService.EXTERNAL_PATH;
+            runExportContacts();
+        } else {
+            mSelectedStorage = VCardService.INVALID_PATH;
+        }
+    }
+
     @Override
     public synchronized void onServiceConnected(ComponentName name, IBinder binder) {
         if (DEBUG) Log.d(LOG_TAG, "connected to service, requesting a destination file name");
diff --git a/src/com/android/contacts/common/vcard/ImportVCardActivity.java b/src/com/android/contacts/common/vcard/ImportVCardActivity.java
index 70c98215..ecd74df6 100644
--- a/src/com/android/contacts/common/vcard/ImportVCardActivity.java
+++ b/src/com/android/contacts/common/vcard/ImportVCardActivity.java
@@ -45,6 +45,7 @@ import android.text.style.RelativeSizeSpan;
 import android.util.Log;
 import android.widget.Toast;
 
+import com.android.contacts.common.MoreContactUtils;
 import com.android.contacts.common.R;
 import com.android.contacts.common.model.AccountTypeManager;
 import com.android.contacts.common.model.account.AccountWithDataSet;
@@ -124,6 +125,7 @@ public class ImportVCardActivity extends Activity {
     /* package */ VCardImportExportListener mListener;
 
     private String mErrorMessage;
+    private int mSelectedStorage = VCardService.INTERNAL_PATH;
 
     private Handler mHandler = new Handler();
 
@@ -884,7 +886,52 @@ public class ImportVCardActivity extends Activity {
             importVCard(uri);
         } else {
             Log.i(LOG_TAG, "Start vCard without Uri. The user will select vCard manually.");
+            checkStorage();
+        }
+    }
+
+    private void checkStorage() {
+        boolean sdExist = MoreContactUtils.sdCardExist(this);
+        boolean inExist = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
+        if (sdExist && inExist) {
+            CharSequence[] storage_list = new CharSequence[2];
+            storage_list[VCardService.INTERNAL_PATH] = Environment.getExternalStorageDirectory()
+                    .getPath();
+            storage_list[VCardService.EXTERNAL_PATH] = MoreContactUtils.getSDPath(this);
+            AlertDialog.Builder builder = new AlertDialog.Builder(this);
+            builder.setTitle(R.string.select_path);
+            builder.setSingleChoiceItems(storage_list, 0, new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int which) {
+                    Log.d(LOG_TAG, "onClicked Dialog on which = " + which);
+                    mSelectedStorage = which;
+                }
+            });
+
+            AlertDialog dialog = builder.create();
+            dialog.setButton(DialogInterface.BUTTON_POSITIVE, getString(android.R.string.ok),
+                    new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            doScanExternalStorageAndImportVCard();
+                        }
+                    });
+            dialog.setButton(DialogInterface.BUTTON_NEGATIVE, getString(android.R.string.cancel),
+                    new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            mSelectedStorage = VCardService.INVALID_PATH;
+                        }
+                    });
+            dialog.show();
+        } else if (inExist) {
+            mSelectedStorage = VCardService.INTERNAL_PATH;
             doScanExternalStorageAndImportVCard();
+        } else if (sdExist) {
+            mSelectedStorage = VCardService.EXTERNAL_PATH;
+            doScanExternalStorageAndImportVCard();
+        } else {
+            mSelectedStorage = VCardService.INVALID_PATH;
         }
     }
 
diff --git a/src/com/android/contacts/common/vcard/VCardService.java b/src/com/android/contacts/common/vcard/VCardService.java
index dd5ea098..14a86656 100644
--- a/src/com/android/contacts/common/vcard/VCardService.java
+++ b/src/com/android/contacts/common/vcard/VCardService.java
@@ -31,6 +31,7 @@ import android.text.TextUtils;
 import android.util.Log;
 import android.util.SparseArray;
 
+import com.android.contacts.common.MoreContactUtils;
 import com.android.contacts.common.R;
 
 import java.io.File;
@@ -54,6 +55,10 @@ import java.util.concurrent.RejectedExecutionException;
 public class VCardService extends Service {
     private final static String LOG_TAG = "VCardService";
 
+    public final static int INTERNAL_PATH = 0;
+    public final static int EXTERNAL_PATH = 1;
+    public final static int INVALID_PATH = -1;
+    public final static String STORAGE_PATH = "storage";
     /* package */ final static boolean DEBUG = false;
 
     /* package */ static final int MSG_IMPORT_REQUEST = 1;
@@ -71,6 +76,7 @@ public class VCardService extends Service {
 
     /* package */ static final String CACHE_FILE_PREFIX = "import_tmp_";
     private String selExport = "";
+    private int mStorage = INTERNAL_PATH;
 
     private class CustomMediaScannerConnectionClient implements MediaScannerConnectionClient {
         final MediaScannerConnection mConnection;
@@ -149,7 +155,11 @@ public class VCardService extends Service {
     }
 
     private void initExporterParams() {
-        mTargetDirectory = Environment.getExternalStorageDirectory();
+        if (mStorage == EXTERNAL_PATH) {
+            mTargetDirectory = new File(MoreContactUtils.getSDPath(this));
+        } else {
+            mTargetDirectory = Environment.getExternalStorageDirectory();
+        }
         mFileNamePrefix = getString(R.string.config_export_file_prefix);
         mFileNameSuffix = getString(R.string.config_export_file_suffix);
         mFileNameExtension = getString(R.string.config_export_file_extension);
@@ -178,9 +188,11 @@ public class VCardService extends Service {
         if (intent != null && intent.getExtras() != null) {
             mCallingActivity = intent.getExtras().getString(
                     VCardCommonArguments.ARG_CALLING_ACTIVITY);
+            mStorage = intent.getExtras().getInt(STORAGE_PATH);
         } else {
             mCallingActivity = null;
         }
+        initExporterParams();
         return START_STICKY;
     }