WidgetsContainerView.java revision b99ff3e83270e113f6182e337c4f7b0223bad92b
13f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song/* 23f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Copyright (C) 2015 The Android Open Source Project 33f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * 43f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Licensed under the Apache License, Version 2.0 (the "License"); 53f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * you may not use this file except in compliance with the License. 63f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * You may obtain a copy of the License at 73f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * 83f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * http://www.apache.org/licenses/LICENSE-2.0 93f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * 103f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Unless required by applicable law or agreed to in writing, software 113f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * distributed under the License is distributed on an "AS IS" BASIS, 123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * See the License for the specific language governing permissions and 143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * limitations under the License. 153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songpackage com.android.launcher3.widget; 183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.content.Context; 203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.content.pm.PackageManager; 213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.graphics.Bitmap; 223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.graphics.Point; 233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.graphics.Rect; 243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.graphics.drawable.Drawable; 253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.support.v7.widget.LinearLayoutManager; 263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.support.v7.widget.RecyclerView; 273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.util.AttributeSet; 283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.util.Log; 293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.view.MotionEvent; 303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.view.View; 313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.widget.FrameLayout; 323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.widget.ImageView; 33b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Songimport android.widget.Toast; 343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.CellLayout; 363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DeleteDropTarget; 373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DragController; 383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DragSource; 393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DropTarget.DragObject; 403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.FastBitmapDrawable; 413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Folder; 423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.IconCache; 433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Insettable; 443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.ItemInfo; 453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Launcher; 463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.LauncherAppState; 473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.PendingAddItemInfo; 483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.R; 493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Utilities; 503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.WidgetPreviewLoader; 513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Workspace; 523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport java.util.ArrayList; 543f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song/** 563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * The widgets list view container. 573f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 58b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Songpublic class WidgetsContainerView extends FrameLayout implements Insettable, 59b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song View.OnLongClickListener, View.OnClickListener, DragSource{ 603f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 61b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private static final String TAG = "WidgetsContainerView"; 623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private static final boolean DEBUG = false; 633f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 643f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* {@link RecyclerView} will keep following # of views in cache, before recycling. */ 653f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private static final int WIDGET_CACHE_SIZE = 2; 663f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 67b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private static final int SPRING_MODE_DELAY_MS = 150; 68b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 693f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Global instances that are used inside this container. */ 703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private Launcher mLauncher; 713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private DragController mDragController; 723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private IconCache mIconCache; 733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Data model for the widget */ 753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetsModel mWidgets; 763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Recycler view related member variables */ 783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private RecyclerView mView; 793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetsListAdapter mAdapter; 803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 81b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song /* Touch handling related member variables. */ 82b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private Toast mWidgetInstructionToast; 833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Rendering related. */ 853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetPreviewLoader mWidgetPreviewLoader; 86b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private WidgetHostViewLoader mWidgetHostViewLoader; 87b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private Rect mPadding = new Rect(); 893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context) { 913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song this(context, null); 923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context, AttributeSet attrs) { 953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song this(context, attrs, 0); 963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context, AttributeSet attrs, int defStyleAttr) { 993f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song super(context, attrs, defStyleAttr); 1003f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher = (Launcher) context; 1013f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mDragController = mLauncher.getDragController(); 102b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetHostViewLoader = new WidgetHostViewLoader(mLauncher); 103b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mAdapter = new WidgetsListAdapter(context, this, this, mLauncher); 1043f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgets = new WidgetsModel(context, mAdapter); 1053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mAdapter.setWidgetsModel(mWidgets); 1063f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mIconCache = (LauncherAppState.getInstance()).getIconCache(); 1073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (DEBUG) { 1093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, "WidgetsContainerView constructor"); 1103f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1113f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 1143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song protected void onFinishInflate() { 1153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (DEBUG) { 1163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("onFinishInflate [widgets size=%d]", 1173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgets.getPackageSize())); 1183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mView = (RecyclerView) findViewById(R.id.widgets_list_view); 1203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mView.setAdapter(mAdapter); 1213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mView.setLayoutManager(new LinearLayoutManager(getContext())); 1223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mView.setItemViewCacheSize(WIDGET_CACHE_SIZE); 1233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mPadding.set(getPaddingLeft(), getPaddingTop(), getPaddingRight(), 1253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song getPaddingBottom()); 1263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Returns views used for launcher transitions. 1303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public View getContentView() { 1334cea4c830283e017fc36197cfe9d7ce713aec49dHyunyoung Song return findViewById(R.id.widgets_content); 1343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public View getRevealView() { 1373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // TODO(hyunyoungs): temporarily use apps view transition. 1383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return findViewById(R.id.widgets_reveal_view); 1393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void scrollToTop() { 1423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mView.scrollToPosition(0); 1433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (DEBUG) { 1443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("scrollToTop, [widgets size=%d]", 1453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgets.getPackageSize())); 1463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Touch related handling. 1513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 154b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song public void onClick(View v) { 155b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // When we have exited widget tray or are in transition, disregard clicks 156b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (!mLauncher.isWidgetsViewVisible() 157b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song || mLauncher.getWorkspace().isSwitchingState() 158b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song || !(v instanceof WidgetCell)) return; 159b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 160b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // Let the user know that they have to long press to add a widget 161b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (mWidgetInstructionToast != null) { 162b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast.cancel(); 163b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 164b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast = Toast.makeText(getContext(),R.string.long_press_widget_to_add, 165b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song Toast.LENGTH_SHORT); 166b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast.show(); 167b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 168b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 169b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song @Override 1703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean onLongClick(View v) { 1713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (DEBUG) { 1723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("onLonglick [v=%s]", v)); 1733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Return early if this is not initiated from a touch 1753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!v.isInTouchMode()) return false; 1763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // When we have exited all apps or are in transition, disregard long clicks 1773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!mLauncher.isWidgetsViewVisible() || 1783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.getWorkspace().isSwitchingState()) return false; 1793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Return if global dragging is not enabled 1803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("onLonglick dragging enabled?.", v)); 1813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!mLauncher.isDraggingEnabled()) return false; 1823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 183b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song boolean status = beginDragging(v); 184b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (status) { 185b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetHostViewLoader.load(v); 186b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 187b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song return status; 1883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private boolean beginDragging(View v) { 1913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (v instanceof WidgetCell) { 1923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!beginDraggingWidget((WidgetCell) v)) { 1933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 1943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } else { 1963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.e(TAG, "Unexpected dragging view: " + v); 1973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1993f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // We delay entering spring-loaded mode slightly to make sure the UI 200b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // thread is free of any work. 2013f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song postDelayed(new Runnable() { 2023f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2033f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void run() { 2043f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // We don't enter spring-loaded mode if the drag has been cancelled 2053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (mLauncher.getDragController().isDragging()) { 2063f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Go into spring loaded mode (must happen before we startDrag()) 2073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.enterSpringLoadedDragMode(); 2083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 210b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song }, SPRING_MODE_DELAY_MS); 2113f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 2133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private boolean beginDraggingWidget(WidgetCell v) { 2163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Get the widget preview as the drag representation 2173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 2183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 2193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and 2213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // we abort the drag. 2223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (image.getDrawable() == null) { 2233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 2243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Compose the drag image 2273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Bitmap preview; 2283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Bitmap outline; 2293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song float scale = 1f; 2303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Point previewPadding = null; 2313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (createItemInfo instanceof PendingAddWidgetInfo) { 2333f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // This can happen in some weird cases involving multi-touch. We can't start dragging 2343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // the widget if this is null, so we break out. 2353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) createItemInfo; 2373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int[] size = mLauncher.getWorkspace().estimateItemSize(createWidgetInfo, true); 2383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song FastBitmapDrawable previewDrawable = (FastBitmapDrawable) image.getDrawable(); 2403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song float minScale = 1.25f; 2413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int maxWidth = Math.min((int) (previewDrawable.getIntrinsicWidth() * minScale), size[0]); 2423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int[] previewSizeBeforeScale = new int[1]; 2443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song preview = getWidgetPreviewLoader().generateWidgetPreview(createWidgetInfo.info, 2453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song maxWidth, null, previewSizeBeforeScale); 2463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Compare the size of the drag preview to the preview in the AppsCustomize tray 2473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int previewWidthInAppsCustomize = Math.min(previewSizeBeforeScale[0], 2483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song v.getActualItemWidth()); 2493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song scale = previewWidthInAppsCustomize / (float) preview.getWidth(); 2503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // The bitmap in the AppsCustomize tray is always the the same size, so there 2523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // might be extra pixels around the preview itself - this accounts for that 2533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (previewWidthInAppsCustomize < previewDrawable.getIntrinsicWidth()) { 2543f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int padding = 2553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song (previewDrawable.getIntrinsicWidth() - previewWidthInAppsCustomize) / 2; 2563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song previewPadding = new Point(padding, 0); 2573f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2583f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } else { 2593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); 2603f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.activityInfo); 2613f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song preview = Utilities.createIconBitmap(icon, mLauncher); 2623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song createItemInfo.spanX = createItemInfo.spanY = 1; 2633f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2643f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2653f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Don't clip alpha values for the drag outline if we're using the default widget preview 2663f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean clipAlpha = !(createItemInfo instanceof PendingAddWidgetInfo && 2673f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song (((PendingAddWidgetInfo) createItemInfo).previewImage == 0)); 2683f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2693f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Save the preview for the outline generation, then dim the preview 2703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(), 2713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song false); 2723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Start the drag 2743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.lockScreenOrientation(); 2753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, clipAlpha); 2763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mDragController.startDrag(image, preview, this, createItemInfo, 2773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song DragController.DRAG_ACTION_COPY, previewPadding, scale); 2783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song outline.recycle(); 2793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song preview.recycle(); 2803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 2813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 2843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Drag related handling methods that implement {@link DragSource} interface. 2853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 2863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsFlingToDelete() { 2893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 2903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsAppInfoDropTarget() { 2943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 2953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* 2983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Both this method and {@link #supportsFlingToDelete} has to return {@code false} for the 2993f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * {@link DeleteDropTarget} to be invisible.) 3003f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 3013f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3023f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsDeleteDropTarget() { 3033f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 3043f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3063f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public float getIntrinsicIconScaleFactor() { 3083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return 0; 3093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3103f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3113f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void onFlingToDeleteCompleted() { 3133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // We just dismiss the drag when we fling, so cleanup here 3143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.exitSpringLoadedDragModeDelayed(true, 3153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 3163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.unlockScreenOrientation(false); 3173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, 3213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean success) { 3223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && 3233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song !(target instanceof DeleteDropTarget) && !(target instanceof Folder))) { 3243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Exit spring loaded mode if we have not successfully dropped or have not handled the 3253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // drop in Workspace 3263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.exitSpringLoadedDragModeDelayed(true, 3273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 3283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.unlockScreenOrientation(false); 3303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Display an error message if the drag failed due to there not being enough space on the 3323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // target layout we were dropping on. 3333f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!success) { 3343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean showOutOfSpaceMessage = false; 3353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (target instanceof Workspace) { 3363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 3373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Workspace workspace = (Workspace) target; 3383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 3393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song ItemInfo itemInfo = (ItemInfo) d.dragInfo; 3403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (layout != null) { 3413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song layout.calculateSpans(itemInfo); 3423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song showOutOfSpaceMessage = 3433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 3443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (showOutOfSpaceMessage) { 3473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.showOutOfSpaceMessage(false); 3483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song d.deferDragViewCleanupPostAnimation = false; 3503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 351b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song //TODO(hyunyoungs): if drop fails, this call cleans up correctly. 352b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // However, in rare corner case where drop succeeds but doesn't end up using the widget 353b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // id created by the loader, this finish will leave dangling widget id. 354b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetHostViewLoader.finish(success); 3553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3573f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 3583f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Container rendering related. 3593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 3603f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3613f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* 3623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * @see Insettable#setInsets(Rect) 3633f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 3643f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3653f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void setInsets(Rect insets) { 3663f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song setPadding(mPadding.left + insets.left, mPadding.top + insets.top, 3673f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mPadding.right + insets.right, mPadding.bottom + insets.bottom); 3683f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3693f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /** 3713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Initialize the widget data model. 3723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 3733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void addWidgets(ArrayList<Object> widgetsShortcuts, PackageManager pm) { 3743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgets.addWidgetsAndShortcuts(widgetsShortcuts, pm); 3753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetPreviewLoader getWidgetPreviewLoader() { 3783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (mWidgetPreviewLoader == null) { 3793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgetPreviewLoader = LauncherAppState.getInstance().getWidgetCache(); 3803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return mWidgetPreviewLoader; 3823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song}