/*
* Copyright (C) 2008 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.systemui.statusbar;
import android.app.Notification;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.view.ViewDebug;
import android.view.accessibility.AccessibilityEvent;
import android.widget.ImageView;
import com.android.internal.statusbar.StatusBarIcon;
import com.android.systemui.R;
import java.text.NumberFormat;
public class StatusBarIconView extends AnimatedImageView {
private static final String TAG = "StatusBarIconView";
private StatusBarIcon mIcon;
@ViewDebug.ExportedProperty private String mSlot;
private Drawable mNumberBackground;
private Paint mNumberPain;
private int mNumberX;
private int mNumberY;
private String mNumberText;
private Notification mNotification;
public StatusBarIconView(Context context, String slot, Notification notification) {
super(context);
final Resources res = context.getResources();
mSlot = slot;
mNumberPain = new Paint();
mNumberPain.setTextAlign(Paint.Align.CENTER);
mNumberPain.setColor(res.getColor(R.drawable.notification_number_text_color));
mNumberPain.setAntiAlias(true);
setNotification(notification);
// We do not resize and scale system icons (on the right), only notification icons (on the
// left).
if (notification != null) {
final int outerBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_size);
final int imageBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_drawing_size);
final float scale = (float)imageBounds / (float)outerBounds;
setScaleX(scale);
setScaleY(scale);
}
setScaleType(ImageView.ScaleType.CENTER);
}
public void setNotification(Notification notification) {
mNotification = notification;
setContentDescription(notification);
}
public StatusBarIconView(Context context, AttributeSet attrs) {
super(context, attrs);
final Resources res = context.getResources();
final int outerBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_size);
final int imageBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_drawing_size);
final float scale = (float)imageBounds / (float)outerBounds;
setScaleX(scale);
setScaleY(scale);
}
private static boolean streq(String a, String b) {
if (a == b) {
return true;
}
if (a == null && b != null) {
return false;
}
if (a != null && b == null) {
return false;
}
return a.equals(b);
}
/**
* Returns whether the set succeeded.
*/
public boolean set(StatusBarIcon icon) {
final boolean iconEquals = mIcon != null
&& streq(mIcon.iconPackage, icon.iconPackage)
&& mIcon.iconId == icon.iconId;
final boolean levelEquals = iconEquals
&& mIcon.iconLevel == icon.iconLevel;
final boolean visibilityEquals = mIcon != null
&& mIcon.visible == icon.visible;
final boolean numberEquals = mIcon != null
&& mIcon.number == icon.number;
mIcon = icon.clone();
setContentDescription(icon.contentDescription);
if (!iconEquals) {
if (!updateDrawable(false /* no clear */)) return false;
}
if (!levelEquals) {
setImageLevel(icon.iconLevel);
}
if (!numberEquals) {
if (icon.number > 0 && getContext().getResources().getBoolean(
R.bool.config_statusBarShowNumber)) {
if (mNumberBackground == null) {
mNumberBackground = getContext().getResources().getDrawable(
R.drawable.ic_notification_overlay);
}
placeNumber();
} else {
mNumberBackground = null;
mNumberText = null;
}
invalidate();
}
if (!visibilityEquals) {
setVisibility(icon.visible ? VISIBLE : GONE);
}
return true;
}
public void updateDrawable() {
updateDrawable(true /* with clear */);
}
private boolean updateDrawable(boolean withClear) {
Drawable drawable = getIcon(mIcon);
if (drawable == null) {
Log.w(TAG, "No icon for slot " + mSlot);
return false;
}
if (withClear) {
setImageDrawable(null);
}
setImageDrawable(drawable);
return true;
}
private Drawable getIcon(StatusBarIcon icon) {
return getIcon(getContext(), icon);
}
/**
* Returns the right icon to use for this item, respecting the iconId and
* iconPackage (if set)
*
* @param context Context to use to get resources if iconPackage is not set
* @return Drawable for this item, or null if the package or item could not
* be found
*/
public static Drawable getIcon(Context context, StatusBarIcon icon) {
Resources r = null;
if (icon.iconPackage != null) {
try {
int userId = icon.user.getIdentifier();
if (userId == UserHandle.USER_ALL) {
userId = UserHandle.USER_OWNER;
}
r = context.getPackageManager()
.getResourcesForApplicationAsUser(icon.iconPackage, userId);
} catch (PackageManager.NameNotFoundException ex) {
Log.e(TAG, "Icon package not found: " + icon.iconPackage);
return null;
}
} else {
r = context.getResources();
}
if (icon.iconId == 0) {
return null;
}
try {
return r.getDrawable(icon.iconId);
} catch (RuntimeException e) {
Log.w(TAG, "Icon not found in "
+ (icon.iconPackage != null ? icon.iconId : "<system>")
+ ": " + Integer.toHexString(icon.iconId));
}
return null;
}
public StatusBarIcon getStatusBarIcon() {
return mIcon;
}
@Override
public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
super.onInitializeAccessibilityEvent(event);
if (mNotification != null) {
event.setParcelableData(mNotification);
}
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
if (mNumberBackground != null) {
placeNumber();
}
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mNumberBackground != null) {
mNumberBackground.draw(canvas);
canvas.drawText(mNumberText, mNumberX, mNumberY, mNumberPain);
}
}
@Override
protected void debug(int depth) {
super.debug(depth);
Log.d("View", debugIndent(depth) + "slot=" + mSlot);
Log.d("View", debugIndent(depth) + "icon=" + mIcon);
}
void placeNumber() {
final String str;
final int tooBig = getContext().getResources().getInteger(
android.R.integer.status_bar_notification_info_maxnum);
if (mIcon.number > tooBig) {
str = getContext().getResources().getString(
android.R.string.status_bar_notification_info_overflow);
} else {
NumberFormat f = NumberFormat.getIntegerInstance();
str = f.format(mIcon.number);
}
mNumberText = str;
final int w = getWidth();
final int h = getHeight();
final Rect r = new Rect();
mNumberPain.getTextBounds(str, 0, str.length(), r);
final int tw = r.right - r.left;
final int th = r.bottom - r.top;
mNumberBackground.getPadding(r);
int dw = r.left + tw + r.right;
if (dw < mNumberBackground.getMinimumWidth()) {
dw = mNumberBackground.getMinimumWidth();
}
mNumberX = w-r.right-((dw-r.right-r.left)/2);
int dh = r.top + th + r.bottom;
if (dh < mNumberBackground.getMinimumWidth()) {
dh = mNumberBackground.getMinimumWidth();
}
mNumberY = h-r.bottom-((dh-r.top-th-r.bottom)/2);
mNumberBackground.setBounds(w-dw, h-dh, w, h);
}
private void setContentDescription(Notification notification) {
if (notification != null) {
CharSequence tickerText = notification.tickerText;
if (!TextUtils.isEmpty(tickerText)) {
setContentDescription(tickerText);
}
}
}
public String toString() {
return "StatusBarIconView(slot=" + mSlot + " icon=" + mIcon
+ " notification=" + mNotification + ")";
}
}
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