WidgetsContainerView.java revision 9480415d9baf00ecfaac8ab3f608b16a1faa6518
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; 27e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Songimport android.support.v7.widget.RecyclerView.State; 283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.util.AttributeSet; 293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.util.Log; 303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.view.View; 313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport android.widget.ImageView; 32b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Songimport android.widget.Toast; 339480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chungimport com.android.launcher3.BaseContainerView; 343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.CellLayout; 353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DeleteDropTarget; 363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DragController; 373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DragSource; 383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.DropTarget.DragObject; 393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.FastBitmapDrawable; 403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Folder; 413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.IconCache; 423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Insettable; 433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.ItemInfo; 443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Launcher; 453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.LauncherAppState; 463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.PendingAddItemInfo; 473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.R; 483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Utilities; 493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.WidgetPreviewLoader; 503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.Workspace; 513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport java.util.ArrayList; 533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 543f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song/** 553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * The widgets list view container. 563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 579480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chungpublic class WidgetsContainerView extends BaseContainerView 589480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung implements View.OnLongClickListener, View.OnClickListener, DragSource{ 593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 60b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private static final String TAG = "WidgetsContainerView"; 613f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private static final boolean DEBUG = false; 623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 63b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private static final int SPRING_MODE_DELAY_MS = 150; 64b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 65e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song /* Coefficient multiplied to the screen height for preloading widgets. */ 66e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song private static final int PRELOAD_SCREEN_HEIGHT_MULTIPLE = 1; 67e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song 683f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Global instances that are used inside this container. */ 693f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private Launcher mLauncher; 703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private DragController mDragController; 713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private IconCache mIconCache; 723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Data model for the widget */ 743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetsModel mWidgets; 753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Recycler view related member variables */ 773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private RecyclerView mView; 783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetsListAdapter mAdapter; 793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 80b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song /* Touch handling related member variables. */ 81b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private Toast mWidgetInstructionToast; 823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* Rendering related. */ 843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetPreviewLoader mWidgetPreviewLoader; 85b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song private WidgetHostViewLoader mWidgetHostViewLoader; 86b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private Rect mPadding = new Rect(); 883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context) { 903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song this(context, null); 913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context, AttributeSet attrs) { 943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song this(context, attrs, 0); 953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public WidgetsContainerView(Context context, AttributeSet attrs, int defStyleAttr) { 983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song super(context, attrs, defStyleAttr); 993f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher = (Launcher) context; 1003f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mDragController = mLauncher.getDragController(); 101b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetHostViewLoader = new WidgetHostViewLoader(mLauncher); 102b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mAdapter = new WidgetsListAdapter(context, this, this, mLauncher); 1033f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgets = new WidgetsModel(context, mAdapter); 1043f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mAdapter.setWidgetsModel(mWidgets); 1053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mIconCache = (LauncherAppState.getInstance()).getIconCache(); 1063f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (DEBUG) { 1083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, "WidgetsContainerView constructor"); 1093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1103f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1113f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 1133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song protected void onFinishInflate() { 1143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (DEBUG) { 1153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("onFinishInflate [widgets size=%d]", 1163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgets.getPackageSize())); 1173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mView = (RecyclerView) findViewById(R.id.widgets_list_view); 1193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mView.setAdapter(mAdapter); 1203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 121e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song // This extends the layout space so that preloading happen for the {@link RecyclerView} 122e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song mView.setLayoutManager(new LinearLayoutManager(getContext()) { 123e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song @Override 124e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song protected int getExtraLayoutSpace(State state) { 125e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song return super.getExtraLayoutSpace(state) 126e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song + WidgetsContainerView.this.getHeight() * PRELOAD_SCREEN_HEIGHT_MULTIPLE; 127e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song } 128e809332032c8f0c2f361eb8fc753f3b57d9cfaaaHyunyoung Song }); 1293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mPadding.set(getPaddingLeft(), getPaddingTop(), getPaddingRight(), 1303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song getPaddingBottom()); 1319480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung onUpdatePaddings(); 1323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1333f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Returns views used for launcher transitions. 1363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public View getContentView() { 1394cea4c830283e017fc36197cfe9d7ce713aec49dHyunyoung Song return findViewById(R.id.widgets_content); 1403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public View getRevealView() { 1433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // TODO(hyunyoungs): temporarily use apps view transition. 1443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return findViewById(R.id.widgets_reveal_view); 1453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void scrollToTop() { 1483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mView.scrollToPosition(0); 1493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (DEBUG) { 1503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("scrollToTop, [widgets size=%d]", 1513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgets.getPackageSize())); 1523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1543f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Touch related handling. 1573f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 1583f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 160b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song public void onClick(View v) { 161b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // When we have exited widget tray or are in transition, disregard clicks 162b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (!mLauncher.isWidgetsViewVisible() 163b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song || mLauncher.getWorkspace().isSwitchingState() 164b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song || !(v instanceof WidgetCell)) return; 165b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 166b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // Let the user know that they have to long press to add a widget 167b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (mWidgetInstructionToast != null) { 168b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast.cancel(); 169b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 170b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast = Toast.makeText(getContext(),R.string.long_press_widget_to_add, 171b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song Toast.LENGTH_SHORT); 172b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetInstructionToast.show(); 173b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 174b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song 175b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song @Override 1763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean onLongClick(View v) { 1773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (DEBUG) { 1783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("onLonglick [v=%s]", v)); 1793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Return early if this is not initiated from a touch 1813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!v.isInTouchMode()) return false; 1823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // When we have exited all apps or are in transition, disregard long clicks 1833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!mLauncher.isWidgetsViewVisible() || 1843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.getWorkspace().isSwitchingState()) return false; 1853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Return if global dragging is not enabled 1863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.d(TAG, String.format("onLonglick dragging enabled?.", v)); 1873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!mLauncher.isDraggingEnabled()) return false; 1883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 189b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song boolean status = beginDragging(v); 190b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song if (status) { 191b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetHostViewLoader.load(v); 192b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song } 193b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song return status; 1943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 1953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 1963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private boolean beginDragging(View v) { 1973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (v instanceof WidgetCell) { 1983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!beginDraggingWidget((WidgetCell) v)) { 1993f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 2003f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2013f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } else { 2023f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Log.e(TAG, "Unexpected dragging view: " + v); 2033f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2043f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // We delay entering spring-loaded mode slightly to make sure the UI 206b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // thread is free of any work. 2073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song postDelayed(new Runnable() { 2083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void run() { 2103f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // We don't enter spring-loaded mode if the drag has been cancelled 2113f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (mLauncher.getDragController().isDragging()) { 2123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Go into spring loaded mode (must happen before we startDrag()) 2133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.enterSpringLoadedDragMode(); 2143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 216b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song }, SPRING_MODE_DELAY_MS); 2173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 2193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private boolean beginDraggingWidget(WidgetCell v) { 2223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Get the widget preview as the drag representation 2233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 2243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 2253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and 2273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // we abort the drag. 2283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (image.getDrawable() == null) { 2293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 2303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Compose the drag image 2333f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Bitmap preview; 2343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Bitmap outline; 2353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song float scale = 1f; 2363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Point previewPadding = null; 2373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (createItemInfo instanceof PendingAddWidgetInfo) { 2393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // This can happen in some weird cases involving multi-touch. We can't start dragging 2403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // the widget if this is null, so we break out. 2413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) createItemInfo; 2433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int[] size = mLauncher.getWorkspace().estimateItemSize(createWidgetInfo, true); 2443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song FastBitmapDrawable previewDrawable = (FastBitmapDrawable) image.getDrawable(); 2463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song float minScale = 1.25f; 2473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int maxWidth = Math.min((int) (previewDrawable.getIntrinsicWidth() * minScale), size[0]); 2483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int[] previewSizeBeforeScale = new int[1]; 2503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song preview = getWidgetPreviewLoader().generateWidgetPreview(createWidgetInfo.info, 2513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song maxWidth, null, previewSizeBeforeScale); 2523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Compare the size of the drag preview to the preview in the AppsCustomize tray 2533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int previewWidthInAppsCustomize = Math.min(previewSizeBeforeScale[0], 2543f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song v.getActualItemWidth()); 2553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song scale = previewWidthInAppsCustomize / (float) preview.getWidth(); 2563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2573f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // The bitmap in the AppsCustomize tray is always the the same size, so there 2583f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // might be extra pixels around the preview itself - this accounts for that 2593f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (previewWidthInAppsCustomize < previewDrawable.getIntrinsicWidth()) { 2603f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int padding = 2613f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song (previewDrawable.getIntrinsicWidth() - previewWidthInAppsCustomize) / 2; 2623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song previewPadding = new Point(padding, 0); 2633f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2643f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } else { 2653f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); 2663f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.activityInfo); 2673f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song preview = Utilities.createIconBitmap(icon, mLauncher); 2683f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song createItemInfo.spanX = createItemInfo.spanY = 1; 2693f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2703f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2713f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Don't clip alpha values for the drag outline if we're using the default widget preview 2723f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean clipAlpha = !(createItemInfo instanceof PendingAddWidgetInfo && 2733f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song (((PendingAddWidgetInfo) createItemInfo).previewImage == 0)); 2743f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2753f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Save the preview for the outline generation, then dim the preview 2763f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(), 2773f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song false); 2783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Start the drag 2803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.lockScreenOrientation(); 2813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, clipAlpha); 2823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mDragController.startDrag(image, preview, this, createItemInfo, 2833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song DragController.DRAG_ACTION_COPY, previewPadding, scale); 2843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song outline.recycle(); 2853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song preview.recycle(); 2863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 2873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 2903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Drag related handling methods that implement {@link DragSource} interface. 2913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 2923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2943f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsFlingToDelete() { 2953f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 2963f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 2973f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 2983f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 2993f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsAppInfoDropTarget() { 3003f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return true; 3013f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3023f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3033f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /* 3043f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Both this method and {@link #supportsFlingToDelete} has to return {@code false} for the 3053f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * {@link DeleteDropTarget} to be invisible.) 3063f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 3073f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3083f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public boolean supportsDeleteDropTarget() { 3093f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return false; 3103f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3113f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3123f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3133f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public float getIntrinsicIconScaleFactor() { 3143f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return 0; 3153f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3163f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3173f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3183f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void onFlingToDeleteCompleted() { 3193f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // We just dismiss the drag when we fling, so cleanup here 3203f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.exitSpringLoadedDragModeDelayed(true, 3213f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 3223f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.unlockScreenOrientation(false); 3233f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3243f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3253f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3263f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, 3273f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean success) { 3283f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && 3293f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song !(target instanceof DeleteDropTarget) && !(target instanceof Folder))) { 3303f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Exit spring loaded mode if we have not successfully dropped or have not handled the 3313f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // drop in Workspace 3323f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.exitSpringLoadedDragModeDelayed(true, 3333f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 3343f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3353f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.unlockScreenOrientation(false); 3363f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3373f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Display an error message if the drag failed due to there not being enough space on the 3383f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // target layout we were dropping on. 3393f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (!success) { 3403f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song boolean showOutOfSpaceMessage = false; 3413f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (target instanceof Workspace) { 3423f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 3433f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song Workspace workspace = (Workspace) target; 3443f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 3453f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song ItemInfo itemInfo = (ItemInfo) d.dragInfo; 3463f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (layout != null) { 3473f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song layout.calculateSpans(itemInfo); 3483f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song showOutOfSpaceMessage = 3493f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 3503f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3513f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3523f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (showOutOfSpaceMessage) { 3533f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mLauncher.showOutOfSpaceMessage(false); 3543f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3553f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song d.deferDragViewCleanupPostAnimation = false; 3563f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 357b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song //TODO(hyunyoungs): if drop fails, this call cleans up correctly. 358b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // However, in rare corner case where drop succeeds but doesn't end up using the widget 359b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song // id created by the loader, this finish will leave dangling widget id. 360b99ff3e83270e113f6182e337c4f7b0223bad92bHyunyoung Song mWidgetHostViewLoader.finish(success); 3613f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3623f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3633f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 3643f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // Container rendering related. 3653f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song // 3663f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3673f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song @Override 3689480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung protected void onUpdatePaddings() { 3699480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung if (mFixedBounds.isEmpty()) { 3709480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung // If there are no fixed bounds, then use the default padding and insets 3719480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung setPadding(mPadding.left + mInsets.left, mPadding.top + mInsets.top, 3729480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung mPadding.right + mInsets.right, mPadding.bottom + mInsets.bottom); 3739480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung } else { 3749480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung // If there are fixed bounds, then we update the padding to reflect the fixed bounds. 3759480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung setPadding(mFixedBounds.left, mFixedBounds.top, getMeasuredWidth() - mFixedBounds.right, 3769480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung mInsets.bottom); 3779480415d9baf00ecfaac8ab3f608b16a1faa6518Winson Chung } 3783f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3793f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3803f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song /** 3813f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song * Initialize the widget data model. 3823f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song */ 3833f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song public void addWidgets(ArrayList<Object> widgetsShortcuts, PackageManager pm) { 3843f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgets.addWidgetsAndShortcuts(widgetsShortcuts, pm); 3853f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3863f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song 3873f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song private WidgetPreviewLoader getWidgetPreviewLoader() { 3883f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song if (mWidgetPreviewLoader == null) { 3893f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song mWidgetPreviewLoader = LauncherAppState.getInstance().getWidgetCache(); 3903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song return mWidgetPreviewLoader; 3923f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song } 3933f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Song}