From 221733a45a89715d1c627f876ca49eeecd21dc08 Mon Sep 17 00:00:00 2001
From: Daniel Sandler <dsandler@android.com>
Date: Thu, 3 Nov 2011 15:21:33 -0400
Subject: [PATCH] Offer the user an option to launch Dreams when docked.

SystemUI now registers for DESK_DOCK launches, so users with
other dock apps installed can still opt to use those in this
new regime.

(Part of migrating users away from DeskClock as the dock app.)

Bug: 3155234
Change-Id: I0da0f04f8a0a89e7d237c092f16f4f27eb88c92c
---
 packages/SystemUI/AndroidManifest.xml         | 10 +++++
 packages/SystemUI/res/values/strings.xml      |  3 ++
 .../android/systemui/DreamsDockLauncher.java  | 39 +++++++++++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 packages/SystemUI/src/com/android/systemui/DreamsDockLauncher.java

diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index 64c54d9e9cd9b..eefb9fe696870 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -46,6 +46,16 @@
             </intent-filter>
         </receiver>
 
+        <!-- handle dock insertion, launch screensaver instead -->
+        <activity android:name=".DreamsDockLauncher"
+                android:label="@string/dreams_dock_launcher">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.DESK_DOCK" />
+            </intent-filter>
+        </activity>
+
         <activity android:name=".usb.UsbStorageActivity"
                 android:excludeFromRecents="true">
         </activity>
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 8108a90194a07..1a6cae2ec2f76 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -351,4 +351,7 @@
 
     <!-- Content description of the clear button in the notification panel for accessibility (not shown on the screen). [CHAR LIMIT=NONE] -->
     <string name="accessibility_clear_all">Clear all notifications.</string>
+
+    <!-- Description of the desk dock action that invokes the Android Dreams screen saver feature -->
+    <string name="dreams_dock_launcher">Activate screen saver</string>
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/DreamsDockLauncher.java b/packages/SystemUI/src/com/android/systemui/DreamsDockLauncher.java
new file mode 100644
index 0000000000000..b8cdd73aa1d97
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/DreamsDockLauncher.java
@@ -0,0 +1,39 @@
+package com.android.systemui;
+
+import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.provider.Settings;
+import android.util.Slog;
+
+public class DreamsDockLauncher extends Activity {
+    private static final String TAG = "DreamsDockLauncher";
+    @Override
+    protected void onCreate (Bundle icicle) {
+        super.onCreate(icicle);
+        try {
+            String component = Settings.Secure.getString(
+                    getContentResolver(), Settings.Secure.DREAM_COMPONENT);
+            if (component != null) {
+                ComponentName cn = ComponentName.unflattenFromString(component);
+                Intent zzz = new Intent(Intent.ACTION_MAIN)
+                    .setComponent(cn)
+                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                        | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
+                        | Intent.FLAG_ACTIVITY_NO_USER_ACTION
+                        );
+                startActivity(zzz);
+            } else {
+                Slog.e(TAG, "Couldn't start screen saver: none selected");
+            }
+        } catch (android.content.ActivityNotFoundException exc) {
+            // no screensaver? give up
+            Slog.e(TAG, "Couldn't start screen saver: none installed");
+        }
+        finish();
+    }
+}