| /* |
| * 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.icons.GraphicsUtils.setColorAlphaBound; |
| |
| import android.content.Context; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| 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.R; |
| import com.android.launcher3.Utilities; |
| import com.android.launcher3.dragndrop.DragOptions; |
| import com.android.launcher3.popup.PopupDataProvider; |
| import com.android.launcher3.testing.TestLogging; |
| import com.android.launcher3.testing.TestProtocol; |
| import com.android.launcher3.touch.ItemLongClickListener; |
| import com.android.launcher3.uioverrides.WallpaperColorInfo; |
| import com.android.launcher3.util.SystemUiController; |
| import com.android.launcher3.util.Themes; |
| import com.android.launcher3.views.AbstractSlideInView; |
| |
| /** |
| * Base class for various widgets popup |
| */ |
| public abstract class BaseWidgetSheet extends AbstractSlideInView |
| implements OnClickListener, OnLongClickListener, DragSource, |
| PopupDataProvider.PopupDataChangeListener { |
| |
| |
| /* Touch handling related member variables. */ |
| private Toast mWidgetInstructionToast; |
| |
| public BaseWidgetSheet(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| protected int getScrimColor(Context context) { |
| WallpaperColorInfo colors = WallpaperColorInfo.INSTANCE.get(context); |
| int alpha = context.getResources().getInteger(R.integer.extracted_color_gradient_alpha); |
| return setColorAlphaBound(colors.getSecondaryColor(), alpha); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| mLauncher.getPopupDataProvider().setChangeListener(this); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| mLauncher.getPopupDataProvider().setChangeListener(null); |
| } |
| |
| @Override |
| public final void onClick(View v) { |
| Object tag = null; |
| if (v instanceof WidgetCell) { |
| tag = v.getTag(); |
| } else if (v.getParent() instanceof WidgetCell) { |
| tag = ((WidgetCell) v.getParent()).getTag(); |
| } |
| if (tag instanceof PendingAddShortcutInfo) { |
| mWidgetInstructionToast = showShortcutToast(getContext(), mWidgetInstructionToast); |
| } else { |
| mWidgetInstructionToast = showWidgetToast(getContext(), mWidgetInstructionToast); |
| } |
| |
| } |
| |
| @Override |
| public boolean onLongClick(View v) { |
| TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "Widgets.onLongClick"); |
| v.cancelLongPress(); |
| if (!ItemLongClickListener.canStartDrag(mLauncher)) return false; |
| |
| if (v instanceof WidgetCell) { |
| return beginDraggingWidget((WidgetCell) v); |
| } else if (v.getParent() instanceof WidgetCell) { |
| return beginDraggingWidget((WidgetCell) v.getParent()); |
| } |
| return true; |
| } |
| |
| 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.getDrawable() == null && v.getAppWidgetHostViewPreview() == null) { |
| return false; |
| } |
| |
| PendingItemDragHelper dragHelper = new PendingItemDragHelper(v); |
| dragHelper.setRemoteViewsPreview(v.getPreview()); |
| dragHelper.setAppWidgetHostViewPreview(v.getAppWidgetHostViewPreview()); |
| |
| if (image.getDrawable() != null) { |
| int[] loc = new int[2]; |
| getPopupContainer().getLocationInDragLayer(image, loc); |
| |
| dragHelper.startDrag(image.getBitmapBounds(), image.getDrawable().getIntrinsicWidth(), |
| image.getWidth(), new Point(loc[0], loc[1]), this, new DragOptions()); |
| } else { |
| View preview = v.getAppWidgetHostViewPreview(); |
| int[] loc = new int[2]; |
| getPopupContainer().getLocationInDragLayer(preview, loc); |
| |
| Rect r = new Rect(0, 0, preview.getWidth(), preview.getHeight()); |
| dragHelper.startDrag(r, preview.getMeasuredWidth(), preview.getMeasuredWidth(), |
| 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() { |
| getSystemUiController().updateUiState( |
| SystemUiController.UI_STATE_WIDGET_BOTTOM_SHEET, 0); |
| } |
| |
| protected void setupNavBarColor() { |
| boolean isSheetDark = Themes.getAttrBoolean(getContext(), R.attr.isMainColorDark); |
| getSystemUiController().updateUiState( |
| SystemUiController.UI_STATE_WIDGET_BOTTOM_SHEET, |
| isSheetDark ? SystemUiController.FLAG_DARK_NAV : SystemUiController.FLAG_LIGHT_NAV); |
| } |
| |
| protected SystemUiController getSystemUiController() { |
| return mLauncher.getSystemUiController(); |
| } |
| |
| /** |
| * Show Widget tap toast prompting user to drag instead |
| */ |
| public static Toast showWidgetToast(Context context, Toast toast) { |
| // Let the user know that they have to long press to add a widget |
| if (toast != null) { |
| toast.cancel(); |
| } |
| |
| CharSequence msg = Utilities.wrapForTts( |
| context.getText(R.string.long_press_widget_to_add), |
| context.getString(R.string.long_accessible_way_to_add)); |
| toast = Toast.makeText(context, msg, Toast.LENGTH_SHORT); |
| toast.show(); |
| return toast; |
| } |
| |
| /** |
| * Show shortcut tap toast prompting user to drag instead. |
| */ |
| private static Toast showShortcutToast(Context context, Toast toast) { |
| // Let the user know that they have to long press to add a widget |
| if (toast != null) { |
| toast.cancel(); |
| } |
| |
| CharSequence msg = Utilities.wrapForTts( |
| context.getText(R.string.long_press_shortcut_to_add), |
| context.getString(R.string.long_accessible_way_to_add_shortcut)); |
| toast = Toast.makeText(context, msg, Toast.LENGTH_SHORT); |
| toast.show(); |
| return toast; |
| } |
| } |