1 files changed, 130 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentServiceHandler.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentServiceHandler.java
new file mode 100644
index 000000000..92d012c80
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentServiceHandler.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2012-2013 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.service;
+
+import android.app.Activity;
+import android.content.DialogInterface.OnCancelListener;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.support.v4.app.FragmentActivity;
+import android.support.v4.app.FragmentManager;
+import android.widget.Toast;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.ui.dialog.ProgressDialogFragment;
+
+public class KeychainIntentServiceHandler extends Handler {
+
+    // possible messages send from this service to handler on ui
+    public static final int MESSAGE_OKAY = 1;
+    public static final int MESSAGE_EXCEPTION = 2;
+    public static final int MESSAGE_UPDATE_PROGRESS = 3;
+
+    // possible data keys for messages
+    public static final String DATA_ERROR = "error";
+    public static final String DATA_PROGRESS = "progress";
+    public static final String DATA_PROGRESS_MAX = "max";
+    public static final String DATA_MESSAGE = "message";
+    public static final String DATA_MESSAGE_ID = "message_id";
+
+    Activity mActivity;
+    ProgressDialogFragment mProgressDialogFragment;
+
+    public KeychainIntentServiceHandler(Activity activity) {
+        this.mActivity = activity;
+    }
+
+    public KeychainIntentServiceHandler(Activity activity,
+                                        ProgressDialogFragment progressDialogFragment) {
+        this.mActivity = activity;
+        this.mProgressDialogFragment = progressDialogFragment;
+    }
+
+    public KeychainIntentServiceHandler(Activity activity, String progressDialogMessage,
+                                        int progressDialogStyle) {
+        this(activity, progressDialogMessage, progressDialogStyle, false, null);
+    }
+
+    public KeychainIntentServiceHandler(Activity activity, String progressDialogMessage,
+                                        int progressDialogStyle, boolean cancelable,
+                                        OnCancelListener onCancelListener) {
+        this.mActivity = activity;
+        this.mProgressDialogFragment = ProgressDialogFragment.newInstance(
+                progressDialogMessage,
+                progressDialogStyle,
+                cancelable,
+                onCancelListener);
+    }
+
+    public void showProgressDialog(FragmentActivity activity) {
+        // TODO: This is a hack!, see
+        // http://stackoverflow.com/questions/10114324/show-dialogfragment-from-onactivityresult
+        final FragmentManager manager = activity.getSupportFragmentManager();
+        Handler handler = new Handler();
+        handler.post(new Runnable() {
+            public void run() {
+                mProgressDialogFragment.show(manager, "progressDialog");
+            }
+        });
+    }
+
+    @Override
+    public void handleMessage(Message message) {
+        Bundle data = message.getData();
+
+        switch (message.arg1) {
+            case MESSAGE_OKAY:
+                mProgressDialogFragment.dismissAllowingStateLoss();
+
+                break;
+
+            case MESSAGE_EXCEPTION:
+                mProgressDialogFragment.dismissAllowingStateLoss();
+
+                // show error from service
+                if (data.containsKey(DATA_ERROR)) {
+                    Toast.makeText(mActivity,
+                            mActivity.getString(R.string.error_message, data.getString(DATA_ERROR)),
+                            Toast.LENGTH_SHORT).show();
+                }
+
+                break;
+
+            case MESSAGE_UPDATE_PROGRESS:
+                if (data.containsKey(DATA_PROGRESS) && data.containsKey(DATA_PROGRESS_MAX)) {
+
+                    // update progress from service
+                    if (data.containsKey(DATA_MESSAGE)) {
+                        mProgressDialogFragment.setProgress(data.getString(DATA_MESSAGE),
+                                data.getInt(DATA_PROGRESS), data.getInt(DATA_PROGRESS_MAX));
+                    } else if (data.containsKey(DATA_MESSAGE_ID)) {
+                        mProgressDialogFragment.setProgress(data.getInt(DATA_MESSAGE_ID),
+                                data.getInt(DATA_PROGRESS), data.getInt(DATA_PROGRESS_MAX));
+                    } else {
+                        mProgressDialogFragment.setProgress(data.getInt(DATA_PROGRESS),
+                                data.getInt(DATA_PROGRESS_MAX));
+                    }
+                }
+
+                break;
+
+            default:
+                break;
+        }
+    }
+}