diff options
Diffstat (limited to 'src/com/android/launcher2/ApplicationInfoDropTarget.java')
-rw-r--r-- | src/com/android/launcher2/ApplicationInfoDropTarget.java | 143 |
1 files changed, 143 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..737d19841 --- /dev/null +++ b/src/com/android/launcher2/ApplicationInfoDropTarget.java @@ -0,0 +1,143 @@ +/* + * 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.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. + + String packageName = null; + if (dragInfo instanceof ApplicationInfo) { + packageName = ((ApplicationInfo)dragInfo).componentName.getPackageName(); + } else if (dragInfo instanceof ShortcutInfo) { + packageName = ((ShortcutInfo)dragInfo).intent.getComponent().getPackageName(); + } + mLauncher.startApplicationDetailsActivity(packageName); + 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; + } +} |