X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/52bc433bb1180fd2b2105403fe9f817f330da61c..9dacdbec0b54e2255700747c7f6076024f7b5717:/src/com/owncloud/android/authentication/AccountAuthenticatorActivity.java

diff --git a/src/com/owncloud/android/authentication/AccountAuthenticatorActivity.java b/src/com/owncloud/android/authentication/AccountAuthenticatorActivity.java
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+++ b/src/com/owncloud/android/authentication/AccountAuthenticatorActivity.java
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+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.owncloud.android.authentication;
+
+import android.accounts.AccountAuthenticatorResponse;
+import android.accounts.AccountManager;
+import android.os.Bundle;
+
+import com.actionbarsherlock.app.SherlockFragmentActivity;
+
+
+/*
+ * Base class for implementing an Activity that is used to help implement an AbstractAccountAuthenticator. 
+ * If the AbstractAccountAuthenticator needs to use an activity to handle the request then it can have the activity extend 
+ * AccountAuthenticatorActivity. The AbstractAccountAuthenticator passes in the response to the intent using the following:
+ * intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response);
+ * 
+ * The activity then sets the result that is to be handed to the response via setAccountAuthenticatorResult(android.os.Bundle). 
+ * This result will be sent as the result of the request when the activity finishes. If this is never set or if it is set to null 
+ * then error AccountManager.ERROR_CODE_CANCELED will be called on the response.
+ */
+
+public class AccountAuthenticatorActivity extends SherlockFragmentActivity {
+
+    private AccountAuthenticatorResponse mAccountAuthenticatorResponse = null;
+    private Bundle mResultBundle = null;
+
+
+    /**
+     * Set the result that is to be sent as the result of the request that caused this Activity to be launched.
+     * If result is null or this method is never called then the request will be canceled.
+     * 
+     * @param result this is returned as the result of the AbstractAccountAuthenticator request
+     */
+    public final void setAccountAuthenticatorResult(Bundle result) {
+        mResultBundle = result;
+    }
+
+    /**
+     * Retreives the AccountAuthenticatorResponse from either the intent of the icicle, if the
+     * icicle is non-zero.
+     * @param icicle the save instance data of this Activity, may be null
+     */
+    protected void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        mAccountAuthenticatorResponse =
+                getIntent().getParcelableExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE);
+
+        if (mAccountAuthenticatorResponse != null) {
+            mAccountAuthenticatorResponse.onRequestContinued();
+        }
+    }
+    
+    /**
+     * Sends the result or a Constants.ERROR_CODE_CANCELED error if a result isn't present.
+     */
+    public void finish() {
+        if (mAccountAuthenticatorResponse != null) {
+            // send the result bundle back if set, otherwise send an error.
+            if (mResultBundle != null) {
+                mAccountAuthenticatorResponse.onResult(mResultBundle);
+            } else {
+                mAccountAuthenticatorResponse.onError(AccountManager.ERROR_CODE_CANCELED,
+                        "canceled");
+            }
+            mAccountAuthenticatorResponse = null;
+        }
+        super.finish();
+    }
+}