/* * Copyright (C) 2017 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.launcher3.widget; import static com.android.launcher3.logging.LoggerUtils.newContainerTarget; import android.content.Context; import android.graphics.Point; import android.util.AttributeSet; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnLongClickListener; import android.widget.Toast; import com.android.launcher3.DragSource; import com.android.launcher3.DropTarget.DragObject; import com.android.launcher3.ItemInfo; import com.android.launcher3.R; import com.android.launcher3.Utilities; import com.android.launcher3.dragndrop.DragOptions; import com.android.launcher3.graphics.ColorScrim; import com.android.launcher3.touch.ItemLongClickListener; import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType; import com.android.launcher3.userevent.nano.LauncherLogProto.Target; import com.android.launcher3.util.SystemUiController; import com.android.launcher3.util.Themes; import com.android.launcher3.views.AbstractSlideInView; /** * Base class for various widgets popup */ abstract class BaseWidgetSheet extends AbstractSlideInView implements OnClickListener, OnLongClickListener, DragSource { /* Touch handling related member variables. */ private Toast mWidgetInstructionToast; protected final ColorScrim mColorScrim; public BaseWidgetSheet(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); mColorScrim = ColorScrim.createExtractedColorScrim(this); } @Override public final void onClick(View v) { // Let the user know that they have to long press to add a widget if (mWidgetInstructionToast != null) { mWidgetInstructionToast.cancel(); } CharSequence msg = Utilities.wrapForTts( getContext().getText(R.string.long_press_widget_to_add), getContext().getString(R.string.long_accessible_way_to_add)); mWidgetInstructionToast = Toast.makeText(getContext(), msg, Toast.LENGTH_SHORT); mWidgetInstructionToast.show(); } @Override public final boolean onLongClick(View v) { if (!ItemLongClickListener.canStartDrag(mLauncher)) return false; if (v instanceof WidgetCell) { return beginDraggingWidget((WidgetCell) v); } return true; } protected void setTranslationShift(float translationShift) { super.setTranslationShift(translationShift); mColorScrim.setProgress(1 - mTranslationShift); } private boolean beginDraggingWidget(WidgetCell v) { // Get the widget preview as the drag representation WidgetImageView image = v.getWidgetView(); // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and // we abort the drag. if (image.getBitmap() == null) { return false; } int[] loc = new int[2]; mLauncher.getDragLayer().getLocationInDragLayer(image, loc); new PendingItemDragHelper(v).startDrag( image.getBitmapBounds(), image.getBitmap().getWidth(), image.getWidth(), new Point(loc[0], loc[1]), this, new DragOptions()); close(true); return true; } // // Drag related handling methods that implement {@link DragSource} interface. // @Override public void onDropCompleted(View target, DragObject d, boolean success) { } protected void onCloseComplete() { super.onCloseComplete(); clearNavBarColor(); } protected void clearNavBarColor() { mLauncher.getSystemUiController().updateUiState( SystemUiController.UI_STATE_WIDGET_BOTTOM_SHEET, 0); } protected void setupNavBarColor() { boolean isSheetDark = Themes.getAttrBoolean(mLauncher, R.attr.isMainColorDark); mLauncher.getSystemUiController().updateUiState( SystemUiController.UI_STATE_WIDGET_BOTTOM_SHEET, isSheetDark ? SystemUiController.FLAG_DARK_NAV : SystemUiController.FLAG_LIGHT_NAV); } @Override public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) { targetParent.containerType = ContainerType.WIDGETS; targetParent.cardinality = getElementsRowCount(); } @Override public final void logActionCommand(int command) { Target target = newContainerTarget(ContainerType.WIDGETS); target.cardinality = getElementsRowCount(); mLauncher.getUserEventDispatcher().logActionCommand(command, target); } protected abstract int getElementsRowCount(); }