From 68a4b998a40e8f4717e6b509ca98ddbe7bd0754e Mon Sep 17 00:00:00 2001
From: Thecrazyskull <anaskarbila@gmail.com>
Date: Sat, 2 Dec 2017 16:37:04 +0100
Subject: Trebuchet expand statusbar on swipe down

Change-Id: I5e75b7e1c6806dae9ac2a000e377873319a5f787
Signed-off-by: Joey Rizzoli <joey@lineageos.org>
---
 AndroidManifest.xml                                |  1 +
 res/values/lineageos_strings.xml                   |  2 ++
 res/xml/launcher_preferences.xml                   |  6 ++++
 .../android/launcher3/PinchToOverviewListener.java | 38 +++++++++++++++++++++-
 4 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index b41a39d80..e9000aee3 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -51,6 +51,7 @@
     <uses-permission android:name="com.android.launcher.permission.WRITE_SETTINGS" />
     <uses-permission android:name="org.lineageos.trebuchet.permission.READ_SETTINGS" />
     <uses-permission android:name="org.lineageos.trebuchet.permission.WRITE_SETTINGS" />
+    <uses-permission android:name="android.permission.EXPAND_STATUS_BAR" />
 
     <application
         android:backupAgent="com.android.launcher3.LauncherBackupAgent"
diff --git a/res/values/lineageos_strings.xml b/res/values/lineageos_strings.xml
index f6647059f..5a453ef1f 100644
--- a/res/values/lineageos_strings.xml
+++ b/res/values/lineageos_strings.xml
@@ -22,4 +22,6 @@
     <string name="google_title" translatable="false">Google</string>
     <string name="play_folder_title">Play</string>
 
+    <!-- Expand statusbar -->
+    <string name="statusbar_expand">Swipe down to show notifications</string>
 </resources>
diff --git a/res/xml/launcher_preferences.xml b/res/xml/launcher_preferences.xml
index 28a35b829..3be5d4792 100644
--- a/res/xml/launcher_preferences.xml
+++ b/res/xml/launcher_preferences.xml
@@ -53,4 +53,10 @@
         android:defaultValue=""
         android:persistent="false" />
 
+    <SwitchPreference
+        android:key="pref_expand_statusbar"
+        android:title="@string/statusbar_expand"
+        android:defaultValue="true"
+        android:persistent="true" />
+
 </PreferenceScreen>
diff --git a/src/com/android/launcher3/PinchToOverviewListener.java b/src/com/android/launcher3/PinchToOverviewListener.java
index 42515d1fc..e8ea7d764 100644
--- a/src/com/android/launcher3/PinchToOverviewListener.java
+++ b/src/com/android/launcher3/PinchToOverviewListener.java
@@ -18,11 +18,17 @@ package com.android.launcher3;
 
 import android.animation.TimeInterpolator;
 import android.content.Context;
+import android.content.SharedPreferences;
+import android.util.Log;
+import android.view.GestureDetector;
 import android.view.MotionEvent;
 import android.view.ScaleGestureDetector;
 
 import com.android.launcher3.util.TouchController;
 
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
 /**
  * Detects pinches and animates the Workspace to/from overview mode.
  *
@@ -42,6 +48,8 @@ public class PinchToOverviewListener extends ScaleGestureDetector.SimpleOnScaleG
      */
     private static final float FLING_VELOCITY = 0.003f;
 
+    private static final String PREF_STATUSBAR_EXPAND = "pref_expand_statusbar";
+
     private ScaleGestureDetector mPinchDetector;
     private Launcher mLauncher;
     private Workspace mWorkspace = null;
@@ -56,13 +64,28 @@ public class PinchToOverviewListener extends ScaleGestureDetector.SimpleOnScaleG
     private PinchThresholdManager mThresholdManager;
     private PinchAnimationManager mAnimationManager;
 
+    private GestureDetector mGestureDetector;
+
     public PinchToOverviewListener(Launcher launcher) {
+        SharedPreferences prefs = Utilities.getPrefs(launcher.getApplicationContext());
+
         mLauncher = launcher;
-        mPinchDetector = new ScaleGestureDetector((Context) mLauncher, this);
+        mPinchDetector = new ScaleGestureDetector(launcher, this);
+        mGestureDetector = new GestureDetector(launcher,
+                new GestureDetector.SimpleOnGestureListener() {
+            @Override
+            public boolean onFling(MotionEvent e1, MotionEvent e2, float vX, float vy) {
+                if (prefs.getBoolean(PREF_STATUSBAR_EXPAND, true) && e1.getY() < e2.getY()) {
+                    expandStatusBar(launcher);
+                }
+                return true;
+            }
+        });
     }
 
     public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
         mPinchDetector.onTouchEvent(ev);
+        mGestureDetector.onTouchEvent(ev);
         return mPinchStarted;
     }
 
@@ -212,4 +235,17 @@ public class PinchToOverviewListener extends ScaleGestureDetector.SimpleOnScaleG
         mPreviousTimeMillis = System.currentTimeMillis();
         return false;
     }
+
+    private void expandStatusBar(Context context) {
+        try {
+            Object service = context.getSystemService("statusbar");
+            Class<?> manager = Class.forName("android.app.StatusBarManager");
+            Method expand = manager.getMethod("expandNotificationsPanel");
+            expand.invoke(service);
+        } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException |
+                InvocationTargetException e) {
+            Log.w("Reflection",
+                    "Can't to invoke android.app.StatusBarManager$expandNotificationsPanel");
+        }
+    }
 }
\ No newline at end of file
-- 
cgit v1.2.3