1 files changed, 80 insertions, 0 deletions
diff --git a/mobile/android/services/src/main/java/org/mozilla/gecko/fxa/activities/FxAccountAbstractActivity.java b/mobile/android/services/src/main/java/org/mozilla/gecko/fxa/activities/FxAccountAbstractActivity.java
new file mode 100644
index 000000000..fc8cbf0da
--- /dev/null
+++ b/mobile/android/services/src/main/java/org/mozilla/gecko/fxa/activities/FxAccountAbstractActivity.java
@@ -0,0 +1,80 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.fxa.activities;
+
+import android.accounts.Account;
+import android.app.Activity;
+import android.content.Intent;
+
+import org.mozilla.gecko.Locales.LocaleAwareActivity;
+import org.mozilla.gecko.fxa.FirefoxAccounts;
+import org.mozilla.gecko.fxa.FxAccountConstants;
+
+public abstract class FxAccountAbstractActivity extends LocaleAwareActivity {
+  private static final String LOG_TAG = FxAccountAbstractActivity.class.getSimpleName();
+
+  protected final boolean cannotResumeWhenAccountsExist;
+  protected final boolean cannotResumeWhenNoAccountsExist;
+
+  public static final int CAN_ALWAYS_RESUME = 0;
+  public static final int CANNOT_RESUME_WHEN_ACCOUNTS_EXIST = 1 << 0;
+  public static final int CANNOT_RESUME_WHEN_NO_ACCOUNTS_EXIST = 1 << 1;
+
+  public FxAccountAbstractActivity(int resume) {
+    super();
+    this.cannotResumeWhenAccountsExist = 0 != (resume & CANNOT_RESUME_WHEN_ACCOUNTS_EXIST);
+    this.cannotResumeWhenNoAccountsExist = 0 != (resume & CANNOT_RESUME_WHEN_NO_ACCOUNTS_EXIST);
+  }
+
+  /**
+   * Many Firefox Accounts activities shouldn't display if an account already
+   * exists. This function redirects as appropriate.
+   *
+   * @return true if redirected.
+   */
+  protected boolean redirectIfAppropriate() {
+    if (cannotResumeWhenAccountsExist || cannotResumeWhenNoAccountsExist) {
+      final Account account = FirefoxAccounts.getFirefoxAccount(this);
+      if (cannotResumeWhenAccountsExist && account != null) {
+        redirectToAction(FxAccountConstants.ACTION_FXA_STATUS);
+        return true;
+      }
+      if (cannotResumeWhenNoAccountsExist && account == null) {
+        redirectToAction(FxAccountConstants.ACTION_FXA_GET_STARTED);
+        return true;
+      }
+    }
+    return false;
+  }
+
+  @Override
+  public void onResume() {
+    super.onResume();
+    redirectIfAppropriate();
+  }
+
+  @Override
+  public void onBackPressed() {
+      super.onBackPressed();
+      overridePendingTransition(0, 0);
+  }
+
+  protected void launchActivity(Class<? extends Activity> activityClass) {
+    Intent intent = new Intent(this, activityClass);
+    // Per http://stackoverflow.com/a/8992365, this triggers a known bug with
+    // the soft keyboard not being shown for the started activity. Why, Android, why?
+    intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
+    startActivity(intent);
+  }
+
+  protected void redirectToAction(final String action) {
+    final Intent intent = new Intent(action);
+    // Per http://stackoverflow.com/a/8992365, this triggers a known bug with
+    // the soft keyboard not being shown for the started activity. Why, Android, why?
+    intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
+    startActivity(intent);
+    finish();
+  }
+}