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/*
* 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 com.android.launcher3.graphics.PreloadIconDrawable.newPendingIcon;
import static com.android.launcher3.icons.FastBitmapDrawable.getDisabledColorFilter;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.text.Layout;
import android.text.StaticLayout;
import android.text.TextPaint;
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.Nullable;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.R;
import com.android.launcher3.icons.FastBitmapDrawable;
import com.android.launcher3.icons.IconCache;
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.touch.ItemClickHandler;
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 final Rect mRect = new Rect();
private OnClickListener mClickListener;
private final LauncherAppWidgetInfo mInfo;
private final int mStartState;
private final boolean mDisabledForSafeMode;
private Drawable mCenterDrawable;
private Drawable mSettingIconDrawable;
private boolean mDrawableSizeChanged;
private final TextPaint mPaint;
private Layout mSetupTextLayout;
public PendingAppWidgetHostView(Context context, LauncherAppWidgetInfo info,
IconCache cache, boolean disabledForSafeMode) {
super(new ContextThemeWrapper(context, R.style.WidgetContainerTheme));
mInfo = info;
mStartState = info.restoreStatus;
mDisabledForSafeMode = disabledForSafeMode;
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()));
setBackgroundResource(R.drawable.pending_widget_bg);
setWillNotDraw(false);
super.updateAppWidget(null);
setOnClickListener(mLauncher.getItemOnClickListener());
if (info.pendingItemInfo == null) {
info.pendingItemInfo = new PackageItemInfo(info.providerName.getPackageName(),
info.user);
cache.updateIconInBackground(this, info.pendingItemInfo);
} else {
reapplyItemInfo(info.pendingItemInfo);
}
}
@Override
public void updateAppWidget(RemoteViews remoteViews) {
WidgetManagerHelper widgetManagerHelper = new WidgetManagerHelper(getContext());
if (widgetManagerHelper.isAppWidgetRestored(mInfo.appWidgetId)) {
super.updateAppWidget(remoteViews);
reInflate();
}
}
@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;
}
if (info.bitmap.icon != null) {
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);
} 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;
if (mSettingIconDrawable == null) {
int maxSize = grid.iconSizePx;
int size = Math.min(maxSize, Math.min(availableWidth, availableHeight));
mRect.set(0, 0, size, size);
mRect.offsetTo((getWidth() - mRect.width()) / 2, (getHeight() - mRect.height()) / 2);
mCenterDrawable.setBounds(mRect);
} else {
float iconSize = 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 = 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) {
// Recreate the setup text.
mSetupTextLayout = new StaticLayout(
getResources().getText(R.string.gadget_complete_setup_text), 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);
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 (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());
}
}