First commit

app/src/main/java/com/android/launcher2/HandleView.java

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+/*
+ * 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.launcher2;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.ImageView;
+
+import com.android.launcher.R;
+
+public class HandleView extends ImageView {
+    private static final int ORIENTATION_HORIZONTAL = 1;
+
+    private Launcher mLauncher;
+    private int mOrientation = ORIENTATION_HORIZONTAL;
+
+    public HandleView(Context context) {
+        super(context);
+    }
+
+    public HandleView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public HandleView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.HandleView, defStyle, 0);
+        mOrientation = a.getInt(R.styleable.HandleView_direction, ORIENTATION_HORIZONTAL);
+        a.recycle();
+
+        setContentDescription(context.getString(R.string.all_apps_button_label));
+    }
+
+    @Override
+    public View focusSearch(int direction) {
+        View newFocus = super.focusSearch(direction);
+        if (newFocus == null && !mLauncher.isAllAppsVisible()) {
+            final Workspace workspace = mLauncher.getWorkspace();
+            workspace.dispatchUnhandledMove(null, direction);
+            return (mOrientation == ORIENTATION_HORIZONTAL && direction == FOCUS_DOWN) ?
+                    this : workspace;
+        }
+        return newFocus;
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        if (ev.getAction() == MotionEvent.ACTION_DOWN && mLauncher.isAllAppsVisible()) {
+            return false;
+        }
+        return super.onTouchEvent(ev);
+    }
+
+    void setLauncher(Launcher launcher) {
+        mLauncher = launcher;
+    }
+}