1 files changed, 144 insertions, 0 deletions
diff --git a/src/com/android/launcher2/ApplicationInfoDropTarget.java b/src/com/android/launcher2/ApplicationInfoDropTarget.java
new file mode 100644
index 000000000..b053fa006
--- /dev/null
+++ b/src/com/android/launcher2/ApplicationInfoDropTarget.java
@@ -0,0 +1,144 @@
+/*
+ * 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.
+ */
+
+package com.android.launcher2;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffColorFilter;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ImageView;
+
+/**
+ * Implements a DropTarget which allows applications to be dropped on it,
+ * in order to launch the application info for that app.
+ */
+public class ApplicationInfoDropTarget extends ImageView implements DropTarget, DragController.DragListener {
+    private Launcher mLauncher;
+    private DragController mDragController;
+    private boolean mActive = false;
+
+    private View mHandle;
+
+    private final Paint mPaint = new Paint();
+
+    public ApplicationInfoDropTarget(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public ApplicationInfoDropTarget(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+    }
+
+    /**
+     * Set the color that will be used as a filter over objects dragged over this object.
+     */
+    public void setDragColor(int color) {
+        mPaint.setColorFilter(new PorterDuffColorFilter(color, PorterDuff.Mode.SRC_ATOP));
+    }
+
+    public boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset,
+            DragView dragView, Object dragInfo) {
+
+        // 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 home screen.
+
+        ComponentName componentName = null;
+        if (dragInfo instanceof ApplicationInfo) {
+            componentName = ((ApplicationInfo)dragInfo).componentName;
+        } else if (dragInfo instanceof ShortcutInfo) {
+            componentName = ((ShortcutInfo)dragInfo).intent.getComponent();
+        }
+        mLauncher.startApplicationDetailsActivity(componentName);
+        return false;
+    }
+
+    public Rect estimateDropLocation(DragSource source, int x, int y, int xOffset, int yOffset,
+            DragView dragView, Object dragInfo, Rect recycle) {
+        return null;
+    }
+
+    public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset,
+            DragView dragView, Object dragInfo) {
+
+    }
+
+    public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset,
+            DragView dragView, Object dragInfo) {
+        dragView.setPaint(mPaint);
+    }
+
+    public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
+            DragView dragView, Object dragInfo) {
+    }
+
+    public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset,
+            DragView dragView, Object dragInfo) {
+        // TODO: Animate out
+        dragView.setPaint(null);
+    }
+
+    public void onDragStart(DragSource source, Object info, int dragAction) {
+        if (info != null) {
+            mActive = true;
+
+            // TODO: Animate these in and out
+
+            // Only show the info icon when an application is selected
+            if (((ItemInfo)info).itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
+                setVisibility(VISIBLE);
+            }
+            mHandle.setVisibility(INVISIBLE);
+        }
+    }
+
+    public void onDragEnd() {
+        if (mActive) {
+            mActive = false;
+            // TODO: Animate these in and out
+            setVisibility(GONE);
+            mHandle.setVisibility(VISIBLE);
+        }
+    }
+
+    void setLauncher(Launcher launcher) {
+        mLauncher = launcher;
+    }
+
+    void setDragController(DragController dragController) {
+        mDragController = dragController;
+    }
+
+    void setHandle(View view) {
+        mHandle = view;
+    }
+
+    @Override
+    public DropTarget getDropTargetDelegate(DragSource source, int x, int y, int xOffset, int yOffset,
+            DragView dragView, Object dragInfo) {
+        return null;
+    }
+}