Migrate Live Channels App Src to AOSP branch

Bug: 21625152
Change-Id: I07e2830b27440556dc757e6340b4f77d1c0cbc66

1 files changed, 111 insertions, 0 deletions

diff --git a/src/com/android/tv/dialog/SafeDismissDialogFragment.java b/src/com/android/tv/dialog/SafeDismissDialogFragment.java
new file mode 100644
index 00000000..c734653c
--- /dev/null
+++ b/src/com/android/tv/dialog/SafeDismissDialogFragment.java
@@ -0,0 +1,111 @@
+/*
+ * 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;
+        mActivity = (MainActivity) activity;
+        mTracker = ((TvApplication) activity.getApplication()).getTracker();
+        if (mDismissPending) {
+            mDismissPending = false;
+            dismiss();
+            return;
+        }
+    }
+
+    @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.showSearchActivity();
+                return true;
+            }
+            return super.onKeyUp(keyCode, event);
+        }
+    }
+}