Adding drag target bar.
Change-Id: Ia00ed30264ea5f1d3c919111d15588ef441bfe20
diff --git a/src/com/android/launcher2/InfoDropTarget.java b/src/com/android/launcher2/InfoDropTarget.java
new file mode 100644
index 0000000..bbde2b8
--- /dev/null
+++ b/src/com/android/launcher2/InfoDropTarget.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2011 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.ComponentName;
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffColorFilter;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.android.launcher.R;
+
+public class InfoDropTarget extends IconDropTarget {
+
+ private int mDefaultTextColor;
+ private int mHoverColor = 0xFF0000FF;
+
+ public InfoDropTarget(Context context, AttributeSet attrs) {
+ this(context, attrs, 0);
+ }
+
+ public InfoDropTarget(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ }
+
+ @Override
+ protected void onFinishInflate() {
+ super.onFinishInflate();
+
+ // Get the hover color
+ Resources r = getResources();
+ mDefaultTextColor = getTextColors().getDefaultColor();
+ mHoverColor = r.getColor(R.color.info_target_hover_tint);
+ mHoverPaint.setColorFilter(new PorterDuffColorFilter(
+ mHoverColor, PorterDuff.Mode.SRC_ATOP));
+ }
+
+ private boolean isApplication(Object info) {
+ if (info instanceof ApplicationInfo) return true;
+ return (((ItemInfo) info).itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION);
+ }
+
+ @Override
+ public boolean acceptDrop(DragObject d) {
+ // acceptDrop is called just before onDrop. We do the work here, rather than
+ // in onDrop, because it allows us to reject the drop (by returning false)
+ // so that the object being dragged isn't removed from the drag source.
+ ComponentName componentName = null;
+ if (d.dragInfo instanceof ApplicationInfo) {
+ componentName = ((ApplicationInfo) d.dragInfo).componentName;
+ } else if (d.dragInfo instanceof ShortcutInfo) {
+ componentName = ((ShortcutInfo) d.dragInfo).intent.getComponent();
+ }
+ if (componentName != null) {
+ mLauncher.startApplicationDetailsActivity(componentName);
+ }
+ return false;
+ }
+
+ @Override
+ public void onDragStart(DragSource source, Object info, int dragAction) {
+ ItemInfo item = (ItemInfo) info;
+ boolean isVisible = true;
+
+ // If we are dragging a widget or shortcut, hide the info target
+ if (!isApplication(info)) {
+ isVisible = false;
+ }
+
+ mActive = isVisible;
+ ((ViewGroup) getParent()).setVisibility(isVisible ? View.VISIBLE : View.GONE);
+ }
+
+ @Override
+ public void onDragEnd() {
+ super.onDragEnd();
+ mActive = false;
+ }
+
+ public void onDragEnter(DragObject d) {
+ super.onDragEnter(d);
+
+ setTextColor(mHoverColor);
+ }
+
+ public void onDragExit(DragObject d) {
+ super.onDragExit(d);
+
+ setTextColor(mDefaultTextColor);
+ }
+}