| /* |
| * Copyright (C) 2014 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 android.graphics.Paint.ANTI_ALIAS_FLAG; |
| import static android.graphics.Paint.DITHER_FLAG; |
| import static android.graphics.Paint.FILTER_BITMAP_FLAG; |
| |
| import static com.android.launcher3.graphics.PreloadIconDrawable.newPendingIcon; |
| import static com.android.launcher3.icons.FastBitmapDrawable.getDisabledColorFilter; |
| import static com.android.launcher3.util.Executors.MAIN_EXECUTOR; |
| |
| import android.appwidget.AppWidgetProviderInfo; |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.PorterDuff; |
| import android.graphics.Rect; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.Bundle; |
| import android.text.Layout; |
| import android.text.StaticLayout; |
| import android.text.TextPaint; |
| import android.text.TextUtils; |
| import android.util.SizeF; |
| import android.util.TypedValue; |
| import android.view.ContextThemeWrapper; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.widget.RemoteViews; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| import com.android.launcher3.DeviceProfile; |
| import com.android.launcher3.LauncherAppState; |
| import com.android.launcher3.R; |
| import com.android.launcher3.icons.FastBitmapDrawable; |
| import com.android.launcher3.icons.IconCache.ItemInfoUpdateReceiver; |
| import com.android.launcher3.model.data.ItemInfoWithIcon; |
| import com.android.launcher3.model.data.LauncherAppWidgetInfo; |
| import com.android.launcher3.model.data.PackageItemInfo; |
| import com.android.launcher3.util.SafeCloseable; |
| import com.android.launcher3.util.Themes; |
| |
| import java.util.List; |
| |
| public class PendingAppWidgetHostView extends LauncherAppWidgetHostView |
| implements OnClickListener, ItemInfoUpdateReceiver { |
| private static final float SETUP_ICON_SIZE_FACTOR = 2f / 5; |
| private static final float MIN_SATUNATION = 0.7f; |
| |
| private static final int FLAG_DRAW_SETTINGS = 1; |
| private static final int FLAG_DRAW_ICON = 2; |
| private static final int FLAG_DRAW_LABEL = 4; |
| |
| private static final int DEFERRED_ALPHA = 0x77; |
| |
| private final Rect mRect = new Rect(); |
| |
| private final LauncherAppWidgetProviderInfo mAppwidget; |
| private final LauncherAppWidgetInfo mInfo; |
| private final int mStartState; |
| private final boolean mDisabledForSafeMode; |
| private final CharSequence mLabel; |
| |
| private OnClickListener mClickListener; |
| private SafeCloseable mOnDetachCleanup; |
| |
| private int mDragFlags; |
| |
| private Drawable mCenterDrawable; |
| private Drawable mSettingIconDrawable; |
| |
| private boolean mDrawableSizeChanged; |
| |
| private final TextPaint mPaint; |
| |
| private final Paint mPreviewPaint; |
| private Layout mSetupTextLayout; |
| |
| @Nullable private Bitmap mPreviewBitmap; |
| |
| public PendingAppWidgetHostView(Context context, LauncherAppWidgetInfo info, |
| @Nullable LauncherAppWidgetProviderInfo appWidget) { |
| this(context, info, appWidget, |
| context.getResources().getText(R.string.gadget_complete_setup_text)); |
| |
| super.updateAppWidget(null); |
| setOnClickListener(mLauncher.getItemOnClickListener()); |
| |
| if (info.pendingItemInfo == null) { |
| info.pendingItemInfo = new PackageItemInfo(info.providerName.getPackageName(), |
| info.user); |
| LauncherAppState.getInstance(context).getIconCache() |
| .updateIconInBackground(this, info.pendingItemInfo); |
| } else { |
| reapplyItemInfo(info.pendingItemInfo); |
| } |
| } |
| |
| public PendingAppWidgetHostView( |
| Context context, int appWidgetId, @NonNull LauncherAppWidgetProviderInfo appWidget) { |
| this(context, new LauncherAppWidgetInfo(appWidgetId, appWidget.provider), |
| appWidget, appWidget.label); |
| getBackground().mutate().setAlpha(DEFERRED_ALPHA); |
| |
| mCenterDrawable = new ColorDrawable(Color.TRANSPARENT); |
| mDragFlags = FLAG_DRAW_LABEL; |
| mDrawableSizeChanged = true; |
| } |
| |
| /** Set {@link Bitmap} of widget preview. */ |
| public void setPreviewBitmap(@Nullable Bitmap previewBitmap) { |
| if (this.mPreviewBitmap == previewBitmap) { |
| return; |
| } |
| this.mPreviewBitmap = previewBitmap; |
| invalidate(); |
| } |
| |
| private PendingAppWidgetHostView(Context context, LauncherAppWidgetInfo info, |
| LauncherAppWidgetProviderInfo appwidget, CharSequence label) { |
| super(new ContextThemeWrapper(context, R.style.WidgetContainerTheme)); |
| |
| mAppwidget = appwidget; |
| mInfo = info; |
| mStartState = info.restoreStatus; |
| mDisabledForSafeMode = LauncherAppState.getInstance(context).isSafeModeEnabled(); |
| mLabel = label; |
| |
| mPaint = new TextPaint(); |
| mPaint.setColor(Themes.getAttrColor(getContext(), android.R.attr.textColorPrimary)); |
| mPaint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, |
| mLauncher.getDeviceProfile().iconTextSizePx, getResources().getDisplayMetrics())); |
| mPreviewPaint = new Paint(ANTI_ALIAS_FLAG | DITHER_FLAG | FILTER_BITMAP_FLAG); |
| setWillNotDraw(false); |
| setBackgroundResource(R.drawable.pending_widget_bg); |
| } |
| |
| @Override |
| public AppWidgetProviderInfo getAppWidgetInfo() { |
| return mAppwidget; |
| } |
| |
| @Override |
| public void updateAppWidget(RemoteViews remoteViews) { |
| checkIfRestored(); |
| } |
| |
| private void checkIfRestored() { |
| WidgetManagerHelper widgetManagerHelper = new WidgetManagerHelper(getContext()); |
| if (widgetManagerHelper.isAppWidgetRestored(mInfo.appWidgetId)) { |
| MAIN_EXECUTOR.getHandler().post(this::reInflate); |
| } |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| |
| if ((mAppwidget != null) |
| && !mInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_ID_NOT_VALID) |
| && mInfo.restoreStatus != LauncherAppWidgetInfo.RESTORE_COMPLETED) { |
| // If the widget is not completely restored, but has a valid ID, then listen of |
| // updates from provider app for potential restore complete. |
| if (mOnDetachCleanup != null) { |
| mOnDetachCleanup.close(); |
| } |
| mOnDetachCleanup = mLauncher.getAppWidgetHolder() |
| .addOnUpdateListener(mInfo.appWidgetId, mAppwidget, this::checkIfRestored); |
| checkIfRestored(); |
| } |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| if (mOnDetachCleanup != null) { |
| mOnDetachCleanup.close(); |
| mOnDetachCleanup = null; |
| } |
| } |
| |
| /** |
| * Forces the Launcher to reinflate the widget view |
| */ |
| public void reInflate() { |
| if (!isAttachedToWindow()) { |
| return; |
| } |
| LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) getTag(); |
| if (info == null) { |
| // This occurs when LauncherAppWidgetHostView is used to render a preview layout. |
| return; |
| } |
| // Remove and rebind the current widget (which was inflated in the wrong |
| // orientation), but don't delete it from the database |
| mLauncher.removeItem(this, info, false /* deleteFromDb */, |
| "widget removed because of configuration change"); |
| mLauncher.bindAppWidget(info); |
| } |
| |
| @Override |
| public void updateAppWidgetSize(Bundle newOptions, int minWidth, int minHeight, int maxWidth, |
| int maxHeight) { |
| // No-op |
| } |
| |
| @Override |
| public void updateAppWidgetSize(Bundle newOptions, List<SizeF> sizes) { |
| // No-op |
| } |
| |
| @Override |
| protected View getDefaultView() { |
| View defaultView = mInflater.inflate(R.layout.appwidget_not_ready, this, false); |
| defaultView.setOnClickListener(this); |
| applyState(); |
| invalidate(); |
| return defaultView; |
| } |
| |
| @Override |
| public void setOnClickListener(OnClickListener l) { |
| mClickListener = l; |
| } |
| |
| public boolean isReinflateIfNeeded() { |
| return mStartState != mInfo.restoreStatus; |
| } |
| |
| @Override |
| protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
| super.onSizeChanged(w, h, oldw, oldh); |
| mDrawableSizeChanged = true; |
| } |
| |
| @Override |
| public void reapplyItemInfo(ItemInfoWithIcon info) { |
| if (mCenterDrawable != null) { |
| mCenterDrawable.setCallback(null); |
| mCenterDrawable = null; |
| } |
| mDragFlags = 0; |
| if (info.bitmap.icon != null) { |
| mDragFlags = FLAG_DRAW_ICON; |
| |
| Drawable widgetCategoryIcon = getWidgetCategoryIcon(); |
| // The view displays three modes, |
| // 1) App icon in the center |
| // 2) Preload icon in the center |
| // 3) App icon in the center with a setup icon on the top left corner. |
| if (mDisabledForSafeMode) { |
| if (widgetCategoryIcon == null) { |
| FastBitmapDrawable disabledIcon = info.newIcon(getContext()); |
| disabledIcon.setIsDisabled(true); |
| mCenterDrawable = disabledIcon; |
| } else { |
| widgetCategoryIcon.setColorFilter(getDisabledColorFilter()); |
| mCenterDrawable = widgetCategoryIcon; |
| } |
| mSettingIconDrawable = null; |
| } else if (isReadyForClickSetup()) { |
| mCenterDrawable = widgetCategoryIcon == null |
| ? info.newIcon(getContext()) |
| : widgetCategoryIcon; |
| mSettingIconDrawable = getResources().getDrawable(R.drawable.ic_setting).mutate(); |
| updateSettingColor(info.bitmap.color); |
| |
| mDragFlags |= FLAG_DRAW_SETTINGS | FLAG_DRAW_LABEL; |
| } else { |
| mCenterDrawable = widgetCategoryIcon == null |
| ? newPendingIcon(getContext(), info) |
| : widgetCategoryIcon; |
| mSettingIconDrawable = null; |
| applyState(); |
| } |
| mCenterDrawable.setCallback(this); |
| mDrawableSizeChanged = true; |
| } |
| invalidate(); |
| } |
| |
| private void updateSettingColor(int dominantColor) { |
| // Make the dominant color bright. |
| float[] hsv = new float[3]; |
| Color.colorToHSV(dominantColor, hsv); |
| hsv[1] = Math.min(hsv[1], MIN_SATUNATION); |
| hsv[2] = 1; |
| mSettingIconDrawable.setColorFilter(Color.HSVToColor(hsv), PorterDuff.Mode.SRC_IN); |
| } |
| |
| @Override |
| protected boolean verifyDrawable(Drawable who) { |
| return (who == mCenterDrawable) || super.verifyDrawable(who); |
| } |
| |
| public void applyState() { |
| if (mCenterDrawable != null) { |
| mCenterDrawable.setLevel(Math.max(mInfo.installProgress, 0)); |
| } |
| } |
| |
| @Override |
| public void onClick(View v) { |
| // AppWidgetHostView blocks all click events on the root view. Instead handle click events |
| // on the content and pass it along. |
| if (mClickListener != null) { |
| mClickListener.onClick(this); |
| } |
| } |
| |
| /** |
| * A pending widget is ready for setup after the provider is installed and |
| * 1) Widget id is not valid: the widget id is not yet bound to the provider, probably |
| * because the launcher doesn't have appropriate permissions. |
| * Note that we would still have an allocated id as that does not |
| * require any permissions and can be done during view inflation. |
| * 2) UI is not ready: the id is valid and the bound. But the widget has a configure activity |
| * which needs to be called once. |
| */ |
| public boolean isReadyForClickSetup() { |
| return !mInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) |
| && (mInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_UI_NOT_READY) |
| || mInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_ID_NOT_VALID)); |
| } |
| |
| private void updateDrawableBounds() { |
| DeviceProfile grid = mLauncher.getDeviceProfile(); |
| int paddingTop = getPaddingTop(); |
| int paddingBottom = getPaddingBottom(); |
| int paddingLeft = getPaddingLeft(); |
| int paddingRight = getPaddingRight(); |
| |
| int minPadding = getResources() |
| .getDimensionPixelSize(R.dimen.pending_widget_min_padding); |
| |
| int availableWidth = getWidth() - paddingLeft - paddingRight - 2 * minPadding; |
| int availableHeight = getHeight() - paddingTop - paddingBottom - 2 * minPadding; |
| |
| float iconSize = ((mDragFlags & FLAG_DRAW_ICON) == 0) ? 0 |
| : Math.max(0, Math.min(availableWidth, availableHeight)); |
| // Use twice the setting size factor, as the setting is drawn at a corner and the |
| // icon is drawn in the center. |
| float settingIconScaleFactor = ((mDragFlags & FLAG_DRAW_SETTINGS) == 0) ? 0 |
| : 1 + SETUP_ICON_SIZE_FACTOR * 2; |
| |
| int maxSize = Math.max(availableWidth, availableHeight); |
| if (iconSize * settingIconScaleFactor > maxSize) { |
| // There is an overlap |
| iconSize = maxSize / settingIconScaleFactor; |
| } |
| |
| int actualIconSize = (int) Math.min(iconSize, grid.iconSizePx); |
| |
| // Icon top when we do not draw the text |
| int iconTop = (getHeight() - actualIconSize) / 2; |
| mSetupTextLayout = null; |
| |
| if (availableWidth > 0 && !TextUtils.isEmpty(mLabel) |
| && ((mDragFlags & FLAG_DRAW_LABEL) != 0)) { |
| // Recreate the setup text. |
| mSetupTextLayout = new StaticLayout( |
| mLabel, mPaint, availableWidth, Layout.Alignment.ALIGN_CENTER, 1, 0, true); |
| int textHeight = mSetupTextLayout.getHeight(); |
| |
| // Extra icon size due to the setting icon |
| float minHeightWithText = textHeight + actualIconSize * settingIconScaleFactor |
| + grid.iconDrawablePaddingPx; |
| |
| if (minHeightWithText < availableHeight) { |
| // We can draw the text as well |
| iconTop = (getHeight() - textHeight |
| - grid.iconDrawablePaddingPx - actualIconSize) / 2; |
| |
| } else { |
| // We can't draw the text. Let the iconTop be same as before. |
| mSetupTextLayout = null; |
| } |
| } |
| |
| mRect.set(0, 0, actualIconSize, actualIconSize); |
| mRect.offset((getWidth() - actualIconSize) / 2, iconTop); |
| mCenterDrawable.setBounds(mRect); |
| |
| if (mSettingIconDrawable != null) { |
| mRect.left = paddingLeft + minPadding; |
| mRect.right = mRect.left + (int) (SETUP_ICON_SIZE_FACTOR * actualIconSize); |
| mRect.top = paddingTop + minPadding; |
| mRect.bottom = mRect.top + (int) (SETUP_ICON_SIZE_FACTOR * actualIconSize); |
| mSettingIconDrawable.setBounds(mRect); |
| } |
| |
| if (mSetupTextLayout != null) { |
| // Set up position for dragging the text |
| mRect.left = paddingLeft + minPadding; |
| mRect.top = mCenterDrawable.getBounds().bottom + grid.iconDrawablePaddingPx; |
| } |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| if (mPreviewBitmap != null |
| && (mInfo.restoreStatus & LauncherAppWidgetInfo.FLAG_UI_NOT_READY) != 0) { |
| canvas.drawBitmap(mPreviewBitmap, 0, 0, mPreviewPaint); |
| return; |
| } |
| if (mCenterDrawable == null) { |
| // Nothing to draw |
| return; |
| } |
| |
| if (mDrawableSizeChanged) { |
| updateDrawableBounds(); |
| mDrawableSizeChanged = false; |
| } |
| |
| mCenterDrawable.draw(canvas); |
| if (mSettingIconDrawable != null) { |
| mSettingIconDrawable.draw(canvas); |
| } |
| if (mSetupTextLayout != null) { |
| canvas.save(); |
| canvas.translate(mRect.left, mRect.top); |
| mSetupTextLayout.draw(canvas); |
| canvas.restore(); |
| } |
| |
| } |
| |
| /** |
| * Returns the widget category icon for {@link #mInfo}. |
| * |
| * <p>If {@link #mInfo}'s category is {@code PackageItemInfo#NO_CATEGORY} or unknown, returns |
| * {@code null}. |
| */ |
| @Nullable |
| private Drawable getWidgetCategoryIcon() { |
| if (mInfo.pendingItemInfo.widgetCategory == WidgetSections.NO_CATEGORY) { |
| return null; |
| } |
| return mInfo.pendingItemInfo.newIcon(getContext()); |
| } |
| } |