WidgetsContainerView.java revision 59a238095e82fd02355f4cb53abe01655a50b051
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.graphics.Bitmap; 213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.graphics.Rect; 223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.graphics.drawable.Drawable; 233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.support.v7.widget.LinearLayoutManager; 24e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Songimport android.support.v7.widget.RecyclerView.State; 253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.util.AttributeSet; 263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.util.Log; 273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.view.View; 289600d20110861db08f0db21358161dc0ae6b2037Sunny Goyalimport android.view.ViewGroup; 29b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Songimport android.widget.Toast; 30f52abd7758b8f245522936e941336e574debabf5Sunny Goyal 319480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chungimport com.android.launcher3.BaseContainerView; 323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.CellLayout; 333f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DeleteDropTarget; 343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DragSource; 353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DropTarget.DragObject; 36261194387beebaa7927ec4e310274218b651494dSunny Goyalimport com.android.launcher3.folder.Folder; 373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.IconCache; 383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.ItemInfo; 393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Launcher; 403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.LauncherAppState; 413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.PendingAddItemInfo; 423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.R; 433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Utilities; 443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.WidgetPreviewLoader; 453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Workspace; 46fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.dragndrop.DragController; 4758376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyalimport com.android.launcher3.model.WidgetsModel; 4859a238095e82fd02355f4cb53abe01655a50b051Hyunyoung Songimport com.android.launcher3.userevent.nano.LauncherLogProto; 4959a238095e82fd02355f4cb53abe01655a50b051Hyunyoung Songimport com.android.launcher3.userevent.nano.LauncherLogProto.Target; 50316490e636aad788fcfbfc2e04dd4f0e145bdd00Sunny Goyalimport com.android.launcher3.util.Thunk; 513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song/** 533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * The widgets list view container. 543f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 559480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chungpublic class WidgetsContainerView extends BaseContainerView 56a0628cc521614835933db74ba5a2536a936629c5Tony Wickham implements View.OnLongClickListener, View.OnClickListener, DragSource { 57b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private static final String TAG = "WidgetsContainerView"; 58a0628cc521614835933db74ba5a2536a936629c5Tony Wickham private static final boolean LOGD = false; 593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 603f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Global instances that are used inside this container. */ 61316490e636aad788fcfbfc2e04dd4f0e145bdd00Sunny Goyal @Thunk Launcher mLauncher; 623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private DragController mDragController; 633f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private IconCache mIconCache; 643f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 651f06427266c0cb5de4561fc7c620ff542f625300Winson private final Rect mTmpBgPaddingRect = new Rect(); 661f06427266c0cb5de4561fc7c620ff542f625300Winson private final Rect mTmpRect = new Rect(); 671f06427266c0cb5de4561fc7c620ff542f625300Winson 683f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Recycler view related member variables */ 69a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal private WidgetsRecyclerView mRecyclerView; 703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetsListAdapter mAdapter; 713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 72b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song /* Touch handling related member variables. */ 73b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private Toast mWidgetInstructionToast; 743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Rendering related. */ 763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetPreviewLoader mWidgetPreviewLoader; 77b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context) { 793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song this(context, null); 803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context, AttributeSet attrs) { 833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song this(context, attrs, 0); 843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context, AttributeSet attrs, int defStyleAttr) { 873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song super(context, attrs, defStyleAttr); 88abef55a1c1f1fda4f42e4b4223534dd21f3dc19fAndrew Sapperstein mLauncher = Launcher.getLauncher(context); 893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mDragController = mLauncher.getDragController(); 90abef55a1c1f1fda4f42e4b4223534dd21f3dc19fAndrew Sapperstein mAdapter = new WidgetsListAdapter(this, this, context); 913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mIconCache = (LauncherAppState.getInstance()).getIconCache(); 92a0628cc521614835933db74ba5a2536a936629c5Tony Wickham if (LOGD) { 933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, "WidgetsContainerView constructor"); 943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song protected void onFinishInflate() { 99a0628cc521614835933db74ba5a2536a936629c5Tony Wickham super.onFinishInflate(); 100a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal mRecyclerView = (WidgetsRecyclerView) getContentView().findViewById(R.id.widgets_list_view); 101a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal mRecyclerView.setAdapter(mAdapter); 102b7271fd17ea78acbf8506b2c9a34f741680fc4a9Hyunyoung Song mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext())); 1031f06427266c0cb5de4561fc7c620ff542f625300Winson } 10405c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal 1051f06427266c0cb5de4561fc7c620ff542f625300Winson @Override 1061f06427266c0cb5de4561fc7c620ff542f625300Winson protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 1071f06427266c0cb5de4561fc7c620ff542f625300Winson getRevealView().getBackground().getPadding(mTmpBgPaddingRect); 10805c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal if (Utilities.isRtl(getResources())) { 1091f06427266c0cb5de4561fc7c620ff542f625300Winson getContentView().setPadding(0, mTmpBgPaddingRect.top, mTmpBgPaddingRect.right, 1101f06427266c0cb5de4561fc7c620ff542f625300Winson mTmpBgPaddingRect.bottom); 1111f06427266c0cb5de4561fc7c620ff542f625300Winson mTmpRect.set(mTmpBgPaddingRect.left, 0, 0, 0); 1121f06427266c0cb5de4561fc7c620ff542f625300Winson mRecyclerView.updateBackgroundPadding(mTmpRect); 11305c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal } else { 1141f06427266c0cb5de4561fc7c620ff542f625300Winson getContentView().setPadding(mTmpBgPaddingRect.left, mTmpBgPaddingRect.top, 0, 1151f06427266c0cb5de4561fc7c620ff542f625300Winson mTmpBgPaddingRect.bottom); 1161f06427266c0cb5de4561fc7c620ff542f625300Winson mTmpRect.set(0, 0, mTmpBgPaddingRect.right, 0); 1171f06427266c0cb5de4561fc7c620ff542f625300Winson mRecyclerView.updateBackgroundPadding(mTmpRect); 11805c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal } 1191f06427266c0cb5de4561fc7c620ff542f625300Winson 1201f06427266c0cb5de4561fc7c620ff542f625300Winson super.onMeasure(widthMeasureSpec, heightMeasureSpec); 1213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Returns views used for launcher transitions. 1253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void scrollToTop() { 128a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal mRecyclerView.scrollToPosition(0); 1293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Touch related handling. 1333f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 136b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song public void onClick(View v) { 137b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // When we have exited widget tray or are in transition, disregard clicks 138b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (!mLauncher.isWidgetsViewVisible() 139b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song || mLauncher.getWorkspace().isSwitchingState() 140b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song || !(v instanceof WidgetCell)) return; 141b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 142b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // Let the user know that they have to long press to add a widget 143b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (mWidgetInstructionToast != null) { 144b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast.cancel(); 145b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 146e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal 147e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal CharSequence msg = Utilities.wrapForTts( 148e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal getContext().getText(R.string.long_press_widget_to_add), 149e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal getContext().getString(R.string.long_accessible_way_to_add)); 150e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal mWidgetInstructionToast = Toast.makeText(getContext(), msg, Toast.LENGTH_SHORT); 151b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast.show(); 152b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 153b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 154b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song @Override 1553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean onLongClick(View v) { 156a0628cc521614835933db74ba5a2536a936629c5Tony Wickham if (LOGD) { 1573f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("onLonglick [v=%s]", v)); 1583f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Return early if this is not initiated from a touch 1603f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!v.isInTouchMode()) return false; 1613f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // When we have exited all apps or are in transition, disregard long clicks 1623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!mLauncher.isWidgetsViewVisible() || 1633f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.getWorkspace().isSwitchingState()) return false; 1643f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Return if global dragging is not enabled 1653f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!mLauncher.isDraggingEnabled()) return false; 1663f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 167b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song boolean status = beginDragging(v); 1685b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal if (status && v.getTag() instanceof PendingAddWidgetInfo) { 1695b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal WidgetHostViewLoader hostLoader = new WidgetHostViewLoader(mLauncher, v); 1705b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal boolean preloadStatus = hostLoader.preloadWidget(); 171a0628cc521614835933db74ba5a2536a936629c5Tony Wickham if (LOGD) { 1725b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal Log.d(TAG, String.format("preloading widget [status=%s]", preloadStatus)); 1735b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal } 1745b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal mLauncher.getDragController().addDragListener(hostLoader); 175b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 176b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song return status; 1773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private boolean beginDragging(View v) { 1803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (v instanceof WidgetCell) { 1813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!beginDraggingWidget((WidgetCell) v)) { 1823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 1833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } else { 1853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.e(TAG, "Unexpected dragging view: " + v); 1863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 18858376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal // We don't enter spring-loaded mode if the drag has been cancelled 18958376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal if (mLauncher.getDragController().isDragging()) { 19058376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal // Go into spring loaded mode (must happen before we startDrag()) 19158376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal mLauncher.enterSpringLoadedDragMode(); 19258376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal } 1933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 1953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private boolean beginDraggingWidget(WidgetCell v) { 1983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Get the widget preview as the drag representation 199f52abd7758b8f245522936e941336e574debabf5Sunny Goyal WidgetImageView image = (WidgetImageView) v.findViewById(R.id.widget_preview); 2003f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 2013f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2023f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and 2033f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // we abort the drag. 204f52abd7758b8f245522936e941336e574debabf5Sunny Goyal if (image.getBitmap() == null) { 2053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 2063f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Compose the drag image 2093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Bitmap preview; 21006e21a25877db7207b5393ab163028bb4116df4fSunny Goyal final float scale; 211f52abd7758b8f245522936e941336e574debabf5Sunny Goyal final Rect bounds = image.getBitmapBounds(); 2123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (createItemInfo instanceof PendingAddWidgetInfo) { 2143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // This can happen in some weird cases involving multi-touch. We can't start dragging 2153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // the widget if this is null, so we break out. 2163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) createItemInfo; 2183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int[] size = mLauncher.getWorkspace().estimateItemSize(createWidgetInfo, true); 2193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 220f52abd7758b8f245522936e941336e574debabf5Sunny Goyal Bitmap icon = image.getBitmap(); 2213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song float minScale = 1.25f; 222f52abd7758b8f245522936e941336e574debabf5Sunny Goyal int maxWidth = Math.min((int) (icon.getWidth() * minScale), size[0]); 2233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int[] previewSizeBeforeScale = new int[1]; 2252e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen preview = getWidgetPreviewLoader().generateWidgetPreview(mLauncher, 2262e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen createWidgetInfo.info, maxWidth, null, previewSizeBeforeScale); 227f52abd7758b8f245522936e941336e574debabf5Sunny Goyal 228f52abd7758b8f245522936e941336e574debabf5Sunny Goyal if (previewSizeBeforeScale[0] < icon.getWidth()) { 229f52abd7758b8f245522936e941336e574debabf5Sunny Goyal // The icon has extra padding around it. 230f52abd7758b8f245522936e941336e574debabf5Sunny Goyal int padding = (icon.getWidth() - previewSizeBeforeScale[0]) / 2; 231f52abd7758b8f245522936e941336e574debabf5Sunny Goyal if (icon.getWidth() > image.getWidth()) { 232f52abd7758b8f245522936e941336e574debabf5Sunny Goyal padding = padding * image.getWidth() / icon.getWidth(); 233f52abd7758b8f245522936e941336e574debabf5Sunny Goyal } 234f52abd7758b8f245522936e941336e574debabf5Sunny Goyal 235f52abd7758b8f245522936e941336e574debabf5Sunny Goyal bounds.left += padding; 236f52abd7758b8f245522936e941336e574debabf5Sunny Goyal bounds.right -= padding; 2373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 238f52abd7758b8f245522936e941336e574debabf5Sunny Goyal scale = bounds.width() / (float) preview.getWidth(); 2393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } else { 2403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); 2413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.activityInfo); 2423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song preview = Utilities.createIconBitmap(icon, mLauncher); 2433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song createItemInfo.spanX = createItemInfo.spanY = 1; 24453d7ee4285842732517edcccbdcaa92dccb1e107Sunny Goyal scale = ((float) mLauncher.getDeviceProfile().iconSizePx) / preview.getWidth(); 2453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 24706e21a25877db7207b5393ab163028bb4116df4fSunny Goyal // Since we are not going through the workspace for starting the drag, set drag related 24806e21a25877db7207b5393ab163028bb4116df4fSunny Goyal // information on the workspace before starting the drag. 24906e21a25877db7207b5393ab163028bb4116df4fSunny Goyal mLauncher.getWorkspace().prepareDragWithProvider( 25006e21a25877db7207b5393ab163028bb4116df4fSunny Goyal new PendingItemPreviewProvider(v, createItemInfo, preview)); 2513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Start the drag 2533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mDragController.startDrag(image, preview, this, createItemInfo, 254f52abd7758b8f245522936e941336e574debabf5Sunny Goyal bounds, DragController.DRAG_ACTION_COPY, scale); 2553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 2563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2573f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2583f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 2593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Drag related handling methods that implement {@link DragSource} interface. 2603f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 2613f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2633f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsFlingToDelete() { 2649aae47f8a6e23f1805ee3d44512fc1f80286e6ddTony Wickham return true; 2653f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2663f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2673f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2683f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsAppInfoDropTarget() { 2693f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 2703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* 2733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Both this method and {@link #supportsFlingToDelete} has to return {@code false} for the 2743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * {@link DeleteDropTarget} to be invisible.) 2753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 2763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsDeleteDropTarget() { 2783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 2793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public float getIntrinsicIconScaleFactor() { 2833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return 0; 2843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void onFlingToDeleteCompleted() { 2883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // We just dismiss the drag when we fling, so cleanup here 2893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.exitSpringLoadedDragModeDelayed(true, 2903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 2913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.unlockScreenOrientation(false); 2923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, 2963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean success) { 297a0628cc521614835933db74ba5a2536a936629c5Tony Wickham if (LOGD) { 298a0628cc521614835933db74ba5a2536a936629c5Tony Wickham Log.d(TAG, "onDropCompleted"); 299a0628cc521614835933db74ba5a2536a936629c5Tony Wickham } 3003f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && 3013f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song !(target instanceof DeleteDropTarget) && !(target instanceof Folder))) { 3023f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Exit spring loaded mode if we have not successfully dropped or have not handled the 3033f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // drop in Workspace 3043f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.exitSpringLoadedDragModeDelayed(true, 3053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 3063f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.unlockScreenOrientation(false); 3083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Display an error message if the drag failed due to there not being enough space on the 3103f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // target layout we were dropping on. 3113f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!success) { 3123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean showOutOfSpaceMessage = false; 3133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (target instanceof Workspace) { 3143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 3153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Workspace workspace = (Workspace) target; 3163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 317aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal ItemInfo itemInfo = d.dragInfo; 3183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (layout != null) { 3193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song showOutOfSpaceMessage = 3203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 3213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (showOutOfSpaceMessage) { 3243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.showOutOfSpaceMessage(false); 3253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song d.deferDragViewCleanupPostAnimation = false; 3273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /** 3313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Initialize the widget data model. 3323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 3332bd3d7d1cb5e4d8d826982d11b456739fed6b817Hyunyoung Song public void addWidgets(WidgetsModel model) { 334a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal mRecyclerView.setWidgets(model); 3352bd3d7d1cb5e4d8d826982d11b456739fed6b817Hyunyoung Song mAdapter.setWidgetsModel(model); 3362bd3d7d1cb5e4d8d826982d11b456739fed6b817Hyunyoung Song mAdapter.notifyDataSetChanged(); 3379600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal 3389600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal View loader = getContentView().findViewById(R.id.loader); 3399600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal if (loader != null) { 3409600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal ((ViewGroup) getContentView()).removeView(loader); 3419600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal } 3423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3442e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal public boolean isEmpty() { 3452e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal return mAdapter.getItemCount() == 0; 3462e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal } 3472e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal 3483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetPreviewLoader getWidgetPreviewLoader() { 3493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (mWidgetPreviewLoader == null) { 3503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgetPreviewLoader = LauncherAppState.getInstance().getWidgetCache(); 3513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return mWidgetPreviewLoader; 3533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 35459a238095e82fd02355f4cb53abe01655a50b051Hyunyoung Song 35559a238095e82fd02355f4cb53abe01655a50b051Hyunyoung Song @Override 35659a238095e82fd02355f4cb53abe01655a50b051Hyunyoung Song public void fillInLaunchSourceData(View v, ItemInfo info, Target target, Target targetParent) { 35759a238095e82fd02355f4cb53abe01655a50b051Hyunyoung Song targetParent.containerType = LauncherLogProto.WIDGETS; 35859a238095e82fd02355f4cb53abe01655a50b051Hyunyoung Song } 3593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song}