WidgetsContainerView.java revision abef55a1c1f1fda4f42e4b4223534dd21f3dc19f
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; 23261194387beebaa7927ec4e310274218b651494dSunny Goyalimport android.graphics.drawable.InsetDrawable; 243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.support.v7.widget.LinearLayoutManager; 25e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Songimport android.support.v7.widget.RecyclerView.State; 263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.util.AttributeSet; 273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.util.Log; 283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.view.View; 299600d20110861db08f0db21358161dc0ae6b2037Sunny Goyalimport android.view.ViewGroup; 30b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Songimport android.widget.Toast; 31f52abd7758b8f245522936e941336e574debabf5Sunny Goyal 329480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chungimport com.android.launcher3.BaseContainerView; 333f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.CellLayout; 343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DeleteDropTarget; 35fe7580aac4a75dfae5e59c52608182c5e9f76011Hyunyoung Songimport com.android.launcher3.DeviceProfile; 363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DragSource; 373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DropTarget.DragObject; 38261194387beebaa7927ec4e310274218b651494dSunny Goyalimport com.android.launcher3.folder.Folder; 393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.IconCache; 403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.ItemInfo; 413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Launcher; 423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.LauncherAppState; 433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.PendingAddItemInfo; 443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.R; 453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Utilities; 463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.WidgetPreviewLoader; 473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Workspace; 48fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.dragndrop.DragController; 4958376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyalimport com.android.launcher3.model.WidgetsModel; 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 653f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Recycler view related member variables */ 66a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal private WidgetsRecyclerView mRecyclerView; 673f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetsListAdapter mAdapter; 683f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 69b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song /* Touch handling related member variables. */ 70b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private Toast mWidgetInstructionToast; 713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Rendering related. */ 733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetPreviewLoader mWidgetPreviewLoader; 74b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context) { 763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song this(context, null); 773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context, AttributeSet attrs) { 803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song this(context, attrs, 0); 813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context, AttributeSet attrs, int defStyleAttr) { 843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song super(context, attrs, defStyleAttr); 85abef55a1c1f1fda4f42e4b4223534dd21f3dc19fAndrew Sapperstein mLauncher = Launcher.getLauncher(context); 863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mDragController = mLauncher.getDragController(); 87abef55a1c1f1fda4f42e4b4223534dd21f3dc19fAndrew Sapperstein mAdapter = new WidgetsListAdapter(this, this, context); 883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mIconCache = (LauncherAppState.getInstance()).getIconCache(); 89a0628cc521614835933db74ba5a2536a936629c5Tony Wickham if (LOGD) { 903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, "WidgetsContainerView constructor"); 913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song protected void onFinishInflate() { 96a0628cc521614835933db74ba5a2536a936629c5Tony Wickham super.onFinishInflate(); 97a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal mRecyclerView = (WidgetsRecyclerView) getContentView().findViewById(R.id.widgets_list_view); 98a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal mRecyclerView.setAdapter(mAdapter); 99b7271fd17ea78acbf8506b2c9a34f741680fc4a9Hyunyoung Song mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext())); 10005c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal 10105c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal Rect bgPadding = new Rect(); 10205c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal getRevealView().getBackground().getPadding(bgPadding); 10305c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal if (Utilities.isRtl(getResources())) { 10405c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal getContentView().setPadding(0, bgPadding.top, 10505c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal bgPadding.right, bgPadding.bottom); 10605c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal mRecyclerView.updateBackgroundPadding(new Rect(bgPadding.left, 0, 0, 0)); 10705c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal } else { 10805c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal getContentView().setPadding(bgPadding.left, bgPadding.top, 10905c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal 0, bgPadding.bottom); 11005c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal mRecyclerView.updateBackgroundPadding(new Rect(0, 0, bgPadding.right, 0)); 11105c8c57fa72a81f34058036f6dc30c084ca6742bSunny Goyal } 1123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Returns views used for launcher transitions. 1163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void scrollToTop() { 119a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal mRecyclerView.scrollToPosition(0); 1203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Touch related handling. 1243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 127b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song public void onClick(View v) { 128b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // When we have exited widget tray or are in transition, disregard clicks 129b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (!mLauncher.isWidgetsViewVisible() 130b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song || mLauncher.getWorkspace().isSwitchingState() 131b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song || !(v instanceof WidgetCell)) return; 132b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 133b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // Let the user know that they have to long press to add a widget 134b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (mWidgetInstructionToast != null) { 135b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast.cancel(); 136b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 137e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal 138e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal CharSequence msg = Utilities.wrapForTts( 139e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal getContext().getText(R.string.long_press_widget_to_add), 140e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal getContext().getString(R.string.long_accessible_way_to_add)); 141e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal mWidgetInstructionToast = Toast.makeText(getContext(), msg, Toast.LENGTH_SHORT); 142b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast.show(); 143b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 144b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 145b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song @Override 1463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean onLongClick(View v) { 147a0628cc521614835933db74ba5a2536a936629c5Tony Wickham if (LOGD) { 1483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("onLonglick [v=%s]", v)); 1493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Return early if this is not initiated from a touch 1513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!v.isInTouchMode()) return false; 1523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // When we have exited all apps or are in transition, disregard long clicks 1533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!mLauncher.isWidgetsViewVisible() || 1543f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.getWorkspace().isSwitchingState()) return false; 1553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Return if global dragging is not enabled 1563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!mLauncher.isDraggingEnabled()) return false; 1573f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 158b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song boolean status = beginDragging(v); 1595b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal if (status && v.getTag() instanceof PendingAddWidgetInfo) { 1605b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal WidgetHostViewLoader hostLoader = new WidgetHostViewLoader(mLauncher, v); 1615b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal boolean preloadStatus = hostLoader.preloadWidget(); 162a0628cc521614835933db74ba5a2536a936629c5Tony Wickham if (LOGD) { 1635b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal Log.d(TAG, String.format("preloading widget [status=%s]", preloadStatus)); 1645b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal } 1655b9ebcab3c6c55dcb7575fdbcb77020a5ad274d4Sunny Goyal mLauncher.getDragController().addDragListener(hostLoader); 166b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 167b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song return status; 1683f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1693f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private boolean beginDragging(View v) { 1713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (v instanceof WidgetCell) { 1723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!beginDraggingWidget((WidgetCell) v)) { 1733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 1743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } else { 1763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.e(TAG, "Unexpected dragging view: " + v); 1773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 17958376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal // We don't enter spring-loaded mode if the drag has been cancelled 18058376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal if (mLauncher.getDragController().isDragging()) { 18158376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal // Go into spring loaded mode (must happen before we startDrag()) 18258376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal mLauncher.enterSpringLoadedDragMode(); 18358376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal } 1843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 1863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private boolean beginDraggingWidget(WidgetCell v) { 1893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Get the widget preview as the drag representation 190f52abd7758b8f245522936e941336e574debabf5Sunny Goyal WidgetImageView image = (WidgetImageView) v.findViewById(R.id.widget_preview); 1913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 1923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and 1943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // we abort the drag. 195f52abd7758b8f245522936e941336e574debabf5Sunny Goyal if (image.getBitmap() == null) { 1963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 1973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1993f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Compose the drag image 2003f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Bitmap preview; 2013f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song float scale = 1f; 202f52abd7758b8f245522936e941336e574debabf5Sunny Goyal final Rect bounds = image.getBitmapBounds(); 2033f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2043f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (createItemInfo instanceof PendingAddWidgetInfo) { 2053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // This can happen in some weird cases involving multi-touch. We can't start dragging 2063f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // the widget if this is null, so we break out. 2073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) createItemInfo; 2093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int[] size = mLauncher.getWorkspace().estimateItemSize(createWidgetInfo, true); 2103f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 211f52abd7758b8f245522936e941336e574debabf5Sunny Goyal Bitmap icon = image.getBitmap(); 2123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song float minScale = 1.25f; 213f52abd7758b8f245522936e941336e574debabf5Sunny Goyal int maxWidth = Math.min((int) (icon.getWidth() * minScale), size[0]); 2143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int[] previewSizeBeforeScale = new int[1]; 2162e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen preview = getWidgetPreviewLoader().generateWidgetPreview(mLauncher, 2172e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen createWidgetInfo.info, maxWidth, null, previewSizeBeforeScale); 218f52abd7758b8f245522936e941336e574debabf5Sunny Goyal 219f52abd7758b8f245522936e941336e574debabf5Sunny Goyal if (previewSizeBeforeScale[0] < icon.getWidth()) { 220f52abd7758b8f245522936e941336e574debabf5Sunny Goyal // The icon has extra padding around it. 221f52abd7758b8f245522936e941336e574debabf5Sunny Goyal int padding = (icon.getWidth() - previewSizeBeforeScale[0]) / 2; 222f52abd7758b8f245522936e941336e574debabf5Sunny Goyal if (icon.getWidth() > image.getWidth()) { 223f52abd7758b8f245522936e941336e574debabf5Sunny Goyal padding = padding * image.getWidth() / icon.getWidth(); 224f52abd7758b8f245522936e941336e574debabf5Sunny Goyal } 225f52abd7758b8f245522936e941336e574debabf5Sunny Goyal 226f52abd7758b8f245522936e941336e574debabf5Sunny Goyal bounds.left += padding; 227f52abd7758b8f245522936e941336e574debabf5Sunny Goyal bounds.right -= padding; 2283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 229f52abd7758b8f245522936e941336e574debabf5Sunny Goyal scale = bounds.width() / (float) preview.getWidth(); 2303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } else { 2313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); 2323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.activityInfo); 2333f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song preview = Utilities.createIconBitmap(icon, mLauncher); 2343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song createItemInfo.spanX = createItemInfo.spanY = 1; 23553d7ee4285842732517edcccbdcaa92dccb1e107Sunny Goyal scale = ((float) mLauncher.getDeviceProfile().iconSizePx) / preview.getWidth(); 2363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Don't clip alpha values for the drag outline if we're using the default widget preview 2393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean clipAlpha = !(createItemInfo instanceof PendingAddWidgetInfo && 2403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song (((PendingAddWidgetInfo) createItemInfo).previewImage == 0)); 2413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Start the drag 2433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.lockScreenOrientation(); 2443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mDragController.startDrag(image, preview, this, createItemInfo, 245f52abd7758b8f245522936e941336e574debabf5Sunny Goyal bounds, DragController.DRAG_ACTION_COPY, scale); 246869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham // This call expects the extra empty screen to already be created, which is why we call it 247869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham // after mDragController.startDrag(). 248869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, preview, clipAlpha); 249f52abd7758b8f245522936e941336e574debabf5Sunny Goyal 2503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song preview.recycle(); 2513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 2523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2543f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 2553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Drag related handling methods that implement {@link DragSource} interface. 2563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 2573f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2583f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsFlingToDelete() { 2609aae47f8a6e23f1805ee3d44512fc1f80286e6ddTony Wickham return true; 2613f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2633f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2643f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsAppInfoDropTarget() { 2653f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 2663f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2673f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2683f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* 2693f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Both this method and {@link #supportsFlingToDelete} has to return {@code false} for the 2703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * {@link DeleteDropTarget} to be invisible.) 2713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 2723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsDeleteDropTarget() { 2743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 2753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public float getIntrinsicIconScaleFactor() { 2793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return 0; 2803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void onFlingToDeleteCompleted() { 2843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // We just dismiss the drag when we fling, so cleanup here 2853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.exitSpringLoadedDragModeDelayed(true, 2863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 2873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.unlockScreenOrientation(false); 2883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, 2923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean success) { 293a0628cc521614835933db74ba5a2536a936629c5Tony Wickham if (LOGD) { 294a0628cc521614835933db74ba5a2536a936629c5Tony Wickham Log.d(TAG, "onDropCompleted"); 295a0628cc521614835933db74ba5a2536a936629c5Tony Wickham } 2963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && 2973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song !(target instanceof DeleteDropTarget) && !(target instanceof Folder))) { 2983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Exit spring loaded mode if we have not successfully dropped or have not handled the 2993f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // drop in Workspace 3003f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.exitSpringLoadedDragModeDelayed(true, 3013f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 3023f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3033f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.unlockScreenOrientation(false); 3043f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Display an error message if the drag failed due to there not being enough space on the 3063f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // target layout we were dropping on. 3073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!success) { 3083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean showOutOfSpaceMessage = false; 3093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (target instanceof Workspace) { 3103f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 3113f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Workspace workspace = (Workspace) target; 3123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 313aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal ItemInfo itemInfo = d.dragInfo; 3143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (layout != null) { 3153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song showOutOfSpaceMessage = 3163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 3173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (showOutOfSpaceMessage) { 3203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.showOutOfSpaceMessage(false); 3213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song d.deferDragViewCleanupPostAnimation = false; 3233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /** 3273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Initialize the widget data model. 3283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 3292bd3d7d1cb5e4d8d826982d11b456739fed6b817Hyunyoung Song public void addWidgets(WidgetsModel model) { 330a6194d3d9205488d6f5400193f8d4d6aaf140218Sunny Goyal mRecyclerView.setWidgets(model); 3312bd3d7d1cb5e4d8d826982d11b456739fed6b817Hyunyoung Song mAdapter.setWidgetsModel(model); 3322bd3d7d1cb5e4d8d826982d11b456739fed6b817Hyunyoung Song mAdapter.notifyDataSetChanged(); 3339600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal 3349600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal View loader = getContentView().findViewById(R.id.loader); 3359600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal if (loader != null) { 3369600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal ((ViewGroup) getContentView()).removeView(loader); 3379600d20110861db08f0db21358161dc0ae6b2037Sunny Goyal } 3383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3402e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal public boolean isEmpty() { 3412e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal return mAdapter.getItemCount() == 0; 3422e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal } 3432e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal 3443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetPreviewLoader getWidgetPreviewLoader() { 3453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (mWidgetPreviewLoader == null) { 3463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgetPreviewLoader = LauncherAppState.getInstance().getWidgetCache(); 3473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return mWidgetPreviewLoader; 3493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song}