| /* |
| * Copyright (C) 2015 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.android.tv.dialog; |
| |
| import android.app.Activity; |
| import android.app.Dialog; |
| import android.app.DialogFragment; |
| import android.content.Context; |
| import android.os.Bundle; |
| import android.view.KeyEvent; |
| |
| import com.android.tv.MainActivity; |
| import com.android.tv.TvApplication; |
| import com.android.tv.analytics.HasTrackerLabel; |
| import com.android.tv.analytics.Tracker; |
| |
| /** |
| * Provides the safe dismiss feature regardless of the DialogFragment's life cycle. |
| */ |
| public abstract class SafeDismissDialogFragment extends DialogFragment |
| implements HasTrackerLabel { |
| private MainActivity mActivity; |
| private boolean mAttached = false; |
| private boolean mDismissPending = false; |
| private Tracker mTracker; |
| |
| @Override |
| public Dialog onCreateDialog(Bundle savedInstanceState) { |
| return new TvDialog(getActivity(), getTheme()); |
| } |
| |
| @Override |
| public void onAttach(Activity activity) { |
| super.onAttach(activity); |
| mAttached = true; |
| if (activity instanceof MainActivity) { |
| mActivity = (MainActivity) activity; |
| } |
| mTracker = TvApplication.getSingletons(activity).getTracker(); |
| if (mDismissPending) { |
| mDismissPending = false; |
| dismiss(); |
| } |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| mTracker.sendScreenView(getTrackerLabel()); |
| } |
| |
| @Override |
| public void onDestroy() { |
| if (mActivity != null) { |
| mActivity.getOverlayManager().onDialogDestroyed(); |
| } |
| super.onDestroy(); |
| } |
| |
| @Override |
| public void onDetach() { |
| super.onDetach(); |
| mAttached = false; |
| mTracker = null; |
| } |
| |
| /** |
| * Dismiss safely regardless of the DialogFragment's life cycle. |
| */ |
| @Override |
| public void dismiss() { |
| if (!mAttached) { |
| // dismiss() before getFragmentManager() is set cause NPE in dismissInternal(). |
| // FragmentManager is set when a fragment is used in a transaction, |
| // so wait here until we can dismiss safely. |
| mDismissPending = true; |
| } else { |
| super.dismiss(); |
| } |
| } |
| |
| protected class TvDialog extends Dialog { |
| public TvDialog(Context context, int theme) { |
| super(context, theme); |
| } |
| |
| @Override |
| public boolean onKeyUp(int keyCode, KeyEvent event) { |
| // When a dialog is showing, key events are handled by the dialog instead of |
| // MainActivity. Therefore, unless a key is a global key, it should be handled here. |
| if (mAttached && keyCode == KeyEvent.KEYCODE_SEARCH && mActivity != null) { |
| mActivity.showSearchActivity(); |
| return true; |
| } |
| return super.onKeyUp(keyCode, event); |
| } |
| } |
| } |