| /* |
| * 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.drawable.Drawable; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.Rect; |
| 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 java.text.NumberFormat; |
| |
| import com.android.internal.statusbar.StatusBarIcon; |
| |
| import com.android.systemui.R; |
| |
| 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); |
| mNotification = notification; |
| setContentDescription(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); |
| final float alpha = res.getFraction(R.dimen.status_bar_icon_drawing_alpha, 1, 1); |
| setAlpha(alpha); |
| } |
| |
| setScaleType(ImageView.ScaleType.CENTER); |
| } |
| |
| 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); |
| final float alpha = res.getFraction(R.dimen.status_bar_icon_drawing_alpha, 1, 1); |
| setAlpha(alpha); |
| } |
| |
| 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 && mContext.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 = mContext.getResources().getInteger( |
| android.R.integer.status_bar_notification_info_maxnum); |
| if (mIcon.number > tooBig) { |
| str = mContext.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 + ")"; |
| } |
| } |