Add KeyButtonView

Change-Id: Ic32076c07bd45cbf2a6db25d8e8e933701fdf8b2

2 files changed, 135 insertions, 0 deletions

diff --git a/packages/SystemUI/res/values/attrs.xml b/packages/SystemUI/res/values/attrs.xml
new file mode 100644
index 0000000..23bcf20
--- /dev/null
+++ b/packages/SystemUI/res/values/attrs.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
+
+<resources>
+    <declare-styleable name="KeyButtonView">
+        <attr name="keyCode" format="integer" />
+    </declare-styleable>
+</resources>
+
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyButtonView.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyButtonView.java
new file mode 100644
index 0000000..ea1af36
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyButtonView.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2008 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.systemui.statusbar;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.drawable.AnimationDrawable;
+import android.graphics.drawable.Drawable;
+import android.os.RemoteException;
+import android.os.SystemClock;
+import android.os.ServiceManager;
+import android.util.AttributeSet;
+import android.util.Slog;
+import android.view.IWindowManager;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.widget.ImageView;
+import android.widget.RemoteViews.RemoteView;
+
+import com.android.systemui.R;
+
+public class KeyButtonView extends ImageView {
+    IWindowManager mWindowManager;
+    long mDownTime;
+    boolean mSending;
+    int mCode;
+    int mRepeat;
+
+    public KeyButtonView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public KeyButtonView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs);
+
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.KeyButtonView,
+                defStyle, 0);
+
+        mCode = a.getInteger(R.styleable.KeyButtonView_keyCode, 0);
+        if (mCode == 0) {
+            Slog.w(StatusBarService.TAG, "KeyButtonView without key code id=0x"
+                    + Integer.toHexString(getId()));
+        }
+        
+        a.recycle();
+
+        mWindowManager = IWindowManager.Stub.asInterface(
+                ServiceManager.getService(Context.WINDOW_SERVICE));
+    }
+
+    public boolean onTouchEvent(MotionEvent ev) {
+        final int action = ev.getAction();
+        int x, y;
+
+        switch (action) {
+            case MotionEvent.ACTION_DOWN:
+                mDownTime = SystemClock.uptimeMillis();
+                mRepeat = 0;
+                mSending = true;
+                sendEvent(KeyEvent.ACTION_DOWN, mDownTime);
+                break;
+            case MotionEvent.ACTION_MOVE:
+                if (mSending) {
+                    x = (int)ev.getX();
+                    y = (int)ev.getY();
+                    if (x < 0 || x >= getWidth() || y < 0 || y >= getHeight()) {
+                        mSending = false;
+                        sendEvent(KeyEvent.ACTION_UP);
+                    }
+                }
+                break;
+            case MotionEvent.ACTION_UP:
+            case MotionEvent.ACTION_CANCEL:
+                if (mSending) {
+                    sendEvent(KeyEvent.ACTION_UP);
+                    mSending = false;
+                }
+                break;
+        }
+
+        return true;
+    }
+
+    void sendEvent(int action) {
+        sendEvent(action, SystemClock.uptimeMillis());
+    }
+
+    void sendEvent(int action, long when) {
+        final KeyEvent ev = new KeyEvent(mDownTime, mDownTime, action, mCode, mRepeat);
+        try {
+            Slog.d(StatusBarService.TAG, "injecting event " + ev);
+            mWindowManager.injectKeyEvent(ev, false);
+        } catch (RemoteException ex) {
+            // System process is dead
+        }
+    }
+}
+
+