1 files changed, 205 insertions, 0 deletions
diff --git a/src/com/android/cellbroadcastreceiver/CellBroadcastAlertFullScreen.java b/src/com/android/cellbroadcastreceiver/CellBroadcastAlertFullScreen.java
new file mode 100644
index 000000000..ea6c5fcb7
--- /dev/null
+++ b/src/com/android/cellbroadcastreceiver/CellBroadcastAlertFullScreen.java
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2012 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.cellbroadcastreceiver;
+
+import android.app.Activity;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+/**
+ * Full-screen emergency alert with flashing warning icon.
+ * Alert audio and text-to-speech handled by {@link CellBroadcastAlertAudio}.
+ * Keyguard handling based on {@code AlarmAlertFullScreen} class from DeskClock app.
+ */
+public class CellBroadcastAlertFullScreen extends Activity {
+
+    /**
+     * Intent extra for full screen alert launched from dialog subclass as a result of the
+     * screen turning off.
+     */
+    static final String SCREEN_OFF = "screen_off";
+
+    /** Whether to show the flashing warning icon. */
+    private boolean mIsEmergencyAlert;
+
+    /** The cell broadcast message to display. */
+    CellBroadcastMessage mMessage;
+
+    /** Length of time for the warning icon to be visible. */
+    private static final int WARNING_ICON_ON_DURATION_MSEC = 800;
+
+    /** Length of time for the warning icon to be off. */
+    private static final int WARNING_ICON_OFF_DURATION_MSEC = 800;
+
+    /** Warning icon state. false = visible, true = off */
+    private boolean mIconAnimationState;
+
+    /** Stop animating icon after {@link #onStop()} is called. */
+    private boolean mStopAnimation;
+
+    /** The warning icon Drawable. */
+    private Drawable mWarningIcon;
+
+    /** The View containing the warning icon. */
+    private ImageView mWarningIconView;
+
+    /** Icon animation handler for flashing warning alerts. */
+    private final Handler mAnimationHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            if (mIconAnimationState) {
+                mWarningIconView.setAlpha(255);
+                if (!mStopAnimation) {
+                    mAnimationHandler.sendEmptyMessageDelayed(0, WARNING_ICON_ON_DURATION_MSEC);
+                }
+            } else {
+                mWarningIconView.setAlpha(0);
+                if (!mStopAnimation) {
+                    mAnimationHandler.sendEmptyMessageDelayed(0, WARNING_ICON_OFF_DURATION_MSEC);
+                }
+            }
+            mIconAnimationState = !mIconAnimationState;
+            mWarningIconView.invalidateDrawable(mWarningIcon);
+        }
+    };
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        final Window win = getWindow();
+
+        // We use a custom title, so remove the standard dialog title bar
+        win.requestFeature(Window.FEATURE_NO_TITLE);
+
+        // Full screen alerts display above the keyguard and when device is locked.
+        win.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN
+                | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
+                | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
+
+        // Turn on the screen unless we're being launched from the dialog subclass as a result of
+        // the screen turning off.
+        if (!getIntent().getBooleanExtra(SCREEN_OFF, false)) {
+            win.addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+                    | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+        }
+
+        // Save message for passing from dialog to fullscreen activity, and for marking read.
+        mMessage = getIntent().getParcelableExtra(
+                CellBroadcastMessage.SMS_CB_MESSAGE_EXTRA);
+
+        updateLayout(mMessage);
+    }
+
+    protected int getLayoutResId() {
+        return R.layout.cell_broadcast_alert_fullscreen;
+    }
+
+    private void updateLayout(CellBroadcastMessage message) {
+        LayoutInflater inflater = LayoutInflater.from(this);
+
+        setContentView(inflater.inflate(getLayoutResId(), null));
+
+        /* Initialize dialog text from alert message. */
+        int titleId = message.getDialogTitleResource();
+        setTitle(titleId);
+        ((TextView) findViewById(R.id.alertTitle)).setText(titleId);
+        ((TextView) findViewById(R.id.message)).setText(message.getFormattedMessageBody(this));
+
+        /* dismiss button: close notification */
+        findViewById(R.id.dismissButton).setOnClickListener(
+                new Button.OnClickListener() {
+                    public void onClick(View v) {
+                        dismiss();
+                    }
+                });
+
+        mIsEmergencyAlert = message.isPublicAlertMessage() || CellBroadcastConfigService
+                .isOperatorDefinedEmergencyId(message.getServiceCategory());
+
+        if (mIsEmergencyAlert) {
+            mWarningIcon = getResources().getDrawable(R.drawable.ic_warning_large);
+            mWarningIconView = (ImageView) findViewById(R.id.icon);
+            if (mWarningIconView != null) {
+                mWarningIconView.setImageDrawable(mWarningIcon);
+            }
+
+            // Dismiss the notification that brought us here
+            ((NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE))
+                    .cancel((int) message.getDeliveryTime());
+        }
+    }
+
+    /**
+     * Start animating warning icon.
+     */
+    @Override
+    protected void onStart() {
+        super.onStart();
+        if (mIsEmergencyAlert) {
+            // start icon animation
+            mAnimationHandler.sendEmptyMessageDelayed(0, WARNING_ICON_ON_DURATION_MSEC);
+        }
+    }
+
+    /**
+     * Stop animating warning icon and stop the {@link CellBroadcastAlertAudio}
+     * service if necessary.
+     */
+    void dismiss() {
+        // Stop playing alert sound/vibration/speech (if started)
+        stopService(new Intent(this, CellBroadcastAlertAudio.class));
+
+        // Start database service to mark broadcast as read
+        Intent intent = new Intent(this, CellBroadcastDatabaseService.class);
+        intent.setAction(CellBroadcastDatabaseService.ACTION_MARK_BROADCAST_READ);
+        // Select by delivery time because we don't know the database row ID.
+        intent.putExtra(CellBroadcastDatabaseService.DATABASE_DELIVERY_TIME_EXTRA,
+                mMessage.getDeliveryTime());
+        startService(intent);
+
+        if (mIsEmergencyAlert) {
+            // stop animating emergency alert icon
+            mStopAnimation = true;
+        } else {
+            // decrement unread non-emergency alert count
+            CellBroadcastReceiverApp.decrementUnreadAlertCount();
+        }
+        finish();
+    }
+
+    /**
+     * Ignore the back button for emergency alerts (overridden by alert dialog so that the dialog
+     * is dismissed).
+     */
+    @Override
+    public void onBackPressed() {
+        // ignored
+    }
+}