161fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung/* 261fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * Copyright (C) 2010 The Android Open Source Project 361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * 461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * Licensed under the Apache License, Version 2.0 (the "License"); 561fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * you may not use this file except in compliance with the License. 661fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * You may obtain a copy of the License at 761fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * 861fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * http://www.apache.org/licenses/LICENSE-2.0 961fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * 1061fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * Unless required by applicable law or agreed to in writing, software 1161fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * distributed under the License is distributed on an "AS IS" BASIS, 1261fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * See the License for the specific language governing permissions and 1461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * limitations under the License. 1561fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung */ 1661fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 1761fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chungpackage com.android.launcher2; 1861fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 1961fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chungimport android.content.Context; 20a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chungimport android.content.res.Resources; 21043f2af567178b82b0b41f12d379e7dd12da2936Winson Chungimport android.graphics.PointF; 2261967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chungimport android.graphics.Rect; 23947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chungimport android.graphics.drawable.Drawable; 2461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chungimport android.util.AttributeSet; 25d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglioimport android.view.View; 26d4d7aa551ffdc80d810ff970fa72a6509960401eAdam Cohenimport android.widget.TextView; 2761fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 2861fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chungimport com.android.launcher.R; 2961fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 3061fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 3161fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung/** 3261fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung * Implements a DropTarget. 3361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung */ 34a6427b15c18d5b8f3078f553d78f8432de9f46e9Winson Chungpublic class ButtonDropTarget extends TextView implements DropTarget, DragController.DragListener { 3561fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 3661fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung protected final int mTransitionDuration; 3761fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 3861fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung protected Launcher mLauncher; 39a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung private int mBottomDragPadding; 40d4d7aa551ffdc80d810ff970fa72a6509960401eAdam Cohen protected TextView mText; 41d4d7aa551ffdc80d810ff970fa72a6509960401eAdam Cohen protected SearchDropTargetBar mSearchDropTargetBar; 4261fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 4361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung /** Whether this drop target is active for the current drag */ 4461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung protected boolean mActive; 4561fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 4661fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung /** The paint applied to the drag view on hover */ 4761967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung protected int mHoverColor = 0; 4861fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 4961fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public ButtonDropTarget(Context context, AttributeSet attrs) { 5061fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung this(context, attrs, 0); 5161fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 5261fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 5361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public ButtonDropTarget(Context context, AttributeSet attrs, int defStyle) { 5461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung super(context, attrs, defStyle); 5561fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 56a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung Resources r = getResources(); 57a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung mTransitionDuration = r.getInteger(R.integer.config_dropTargetBgTransitionDuration); 58a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung mBottomDragPadding = r.getDimensionPixelSize(R.dimen.drop_target_drag_padding); 5961fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 6061fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 6161fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung void setLauncher(Launcher launcher) { 6261fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung mLauncher = launcher; 6361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 6461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 6561fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public boolean acceptDrop(DragObject d) { 6661fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung return false; 6761fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 6861fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 69d4d7aa551ffdc80d810ff970fa72a6509960401eAdam Cohen public void setSearchDropTargetBar(SearchDropTargetBar searchDropTargetBar) { 70d4d7aa551ffdc80d810ff970fa72a6509960401eAdam Cohen mSearchDropTargetBar = searchDropTargetBar; 71d4d7aa551ffdc80d810ff970fa72a6509960401eAdam Cohen } 72d4d7aa551ffdc80d810ff970fa72a6509960401eAdam Cohen 73947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chung protected Drawable getCurrentDrawable() { 74d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio Drawable[] drawables = getCompoundDrawablesRelative(); 75947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chung for (int i = 0; i < drawables.length; ++i) { 76947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chung if (drawables[i] != null) { 77947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chung return drawables[i]; 78947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chung } 79947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chung } 80947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chung return null; 81947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chung } 82947245ba8ad74aee3dadd02693514765dbb4b5a2Winson Chung 8361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public void onDrop(DragObject d) { 8461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 8561fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 86043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung public void onFlingToDelete(DragObject d, int x, int y, PointF vec) { 87043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung // Do nothing 88043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung } 89043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung 9061fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public void onDragEnter(DragObject d) { 9161967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung d.dragView.setColor(mHoverColor); 9261fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 9361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 9461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public void onDragOver(DragObject d) { 9561fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung // Do nothing 9661fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 9761fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 9861fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public void onDragExit(DragObject d) { 9961967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung d.dragView.setColor(0); 10061fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 10161fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 10261fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public void onDragStart(DragSource source, Object info, int dragAction) { 10361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung // Do nothing 10461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 10561fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 10661fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public boolean isDropEnabled() { 10761fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung return mActive; 10861fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 10961fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 11061fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public void onDragEnd() { 11161fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung // Do nothing 11261fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 11361fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung 11461fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung @Override 115a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung public void getHitRect(android.graphics.Rect outRect) { 116a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung super.getHitRect(outRect); 117a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung outRect.bottom += mBottomDragPadding; 118a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung } 119a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung 120d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio private boolean isRtl() { 121d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio return (getLayoutDirection() == View.LAYOUT_DIRECTION_RTL); 122d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio } 123d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio 124d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio Rect getIconRect(int viewWidth, int viewHeight, int drawableWidth, int drawableHeight) { 12561967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung DragLayer dragLayer = mLauncher.getDragLayer(); 12661967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung 12761967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung // Find the rect to animate to (the view is center aligned) 12861967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung Rect to = new Rect(); 12961967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung dragLayer.getViewRectRelativeToSelf(this, to); 130d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio 131d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio final int width = drawableWidth; 132d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio final int height = drawableHeight; 133d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio 134d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio final int left; 135d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio final int right; 136d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio 137d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio if (isRtl()) { 138d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio right = to.right - getPaddingRight(); 139d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio left = right - width; 140d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio } else { 141d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio left = to.left + getPaddingLeft(); 142d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio right = left + width; 143d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio } 144d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio 145d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio final int top = to.top + (getMeasuredHeight() - height) / 2; 146d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio final int bottom = top + height; 147d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio 148d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio to.set(left, top, right, bottom); 14961967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung 15061967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung // Center the destination rect about the trash icon 151d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio final int xOffset = (int) -(viewWidth - width) / 2; 152d6a33c6f348d1316e0fdc519eda43468fcdcbfe7Fabrice Di Meglio final int yOffset = (int) -(viewHeight - height) / 2; 15361967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung to.offset(xOffset, yOffset); 15461967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung 15561967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung return to; 15661967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung } 15761967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung 158a62e9fd95ae10cff4676f2cc1f4d68334ca27a0bWinson Chung @Override 15961fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung public DropTarget getDropTargetDelegate(DragObject d) { 16061fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung return null; 16161fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung } 1628dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen 1638dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void getLocationInDragLayer(int[] loc) { 1648dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mLauncher.getDragLayer().getLocationInDragLayer(this, loc); 1658dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen } 16661fa4197c4316bb0f9b05fcefb676f86197a2273Winson Chung} 167