1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.statusbar; 18 19 import android.app.Notification; 20 import android.content.Context; 21 import android.content.pm.PackageManager; 22 import android.content.res.Resources; 23 import android.graphics.Canvas; 24 import android.graphics.Paint; 25 import android.graphics.Rect; 26 import android.graphics.drawable.Drawable; 27 import android.os.UserHandle; 28 import android.text.TextUtils; 29 import android.util.AttributeSet; 30 import android.util.Log; 31 import android.view.ViewDebug; 32 import android.view.accessibility.AccessibilityEvent; 33 import android.widget.ImageView; 34 35 import com.android.internal.statusbar.StatusBarIcon; 36 import com.android.systemui.R; 37 38 import java.text.NumberFormat; 39 40 public class StatusBarIconView extends AnimatedImageView { 41 private static final String TAG = "StatusBarIconView"; 42 43 private StatusBarIcon mIcon; 44 @ViewDebug.ExportedProperty private String mSlot; 45 private Drawable mNumberBackground; 46 private Paint mNumberPain; 47 private int mNumberX; 48 private int mNumberY; 49 private String mNumberText; 50 private Notification mNotification; 51 52 public StatusBarIconView(Context context, String slot, Notification notification) { 53 super(context); 54 final Resources res = context.getResources(); 55 mSlot = slot; 56 mNumberPain = new Paint(); 57 mNumberPain.setTextAlign(Paint.Align.CENTER); 58 mNumberPain.setColor(res.getColor(R.drawable.notification_number_text_color)); 59 mNumberPain.setAntiAlias(true); 60 setNotification(notification); 61 62 // We do not resize and scale system icons (on the right), only notification icons (on the 63 // left). 64 if (notification != null) { 65 final int outerBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_size); 66 final int imageBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_drawing_size); 67 final float scale = (float)imageBounds / (float)outerBounds; 68 setScaleX(scale); 69 setScaleY(scale); 70 } 71 72 setScaleType(ImageView.ScaleType.CENTER); 73 } 74 75 public void setNotification(Notification notification) { 76 mNotification = notification; 77 setContentDescription(notification); 78 } 79 80 public StatusBarIconView(Context context, AttributeSet attrs) { 81 super(context, attrs); 82 final Resources res = context.getResources(); 83 final int outerBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_size); 84 final int imageBounds = res.getDimensionPixelSize(R.dimen.status_bar_icon_drawing_size); 85 final float scale = (float)imageBounds / (float)outerBounds; 86 setScaleX(scale); 87 setScaleY(scale); 88 } 89 90 private static boolean streq(String a, String b) { 91 if (a == b) { 92 return true; 93 } 94 if (a == null && b != null) { 95 return false; 96 } 97 if (a != null && b == null) { 98 return false; 99 } 100 return a.equals(b); 101 } 102 103 /** 104 * Returns whether the set succeeded. 105 */ 106 public boolean set(StatusBarIcon icon) { 107 final boolean iconEquals = mIcon != null 108 && streq(mIcon.iconPackage, icon.iconPackage) 109 && mIcon.iconId == icon.iconId; 110 final boolean levelEquals = iconEquals 111 && mIcon.iconLevel == icon.iconLevel; 112 final boolean visibilityEquals = mIcon != null 113 && mIcon.visible == icon.visible; 114 final boolean numberEquals = mIcon != null 115 && mIcon.number == icon.number; 116 mIcon = icon.clone(); 117 setContentDescription(icon.contentDescription); 118 if (!iconEquals) { 119 if (!updateDrawable(false /* no clear */)) return false; 120 } 121 if (!levelEquals) { 122 setImageLevel(icon.iconLevel); 123 } 124 125 if (!numberEquals) { 126 if (icon.number > 0 && getContext().getResources().getBoolean( 127 R.bool.config_statusBarShowNumber)) { 128 if (mNumberBackground == null) { 129 mNumberBackground = getContext().getResources().getDrawable( 130 R.drawable.ic_notification_overlay); 131 } 132 placeNumber(); 133 } else { 134 mNumberBackground = null; 135 mNumberText = null; 136 } 137 invalidate(); 138 } 139 if (!visibilityEquals) { 140 setVisibility(icon.visible ? VISIBLE : GONE); 141 } 142 return true; 143 } 144 145 public void updateDrawable() { 146 updateDrawable(true /* with clear */); 147 } 148 149 private boolean updateDrawable(boolean withClear) { 150 Drawable drawable = getIcon(mIcon); 151 if (drawable == null) { 152 Log.w(TAG, "No icon for slot " + mSlot); 153 return false; 154 } 155 if (withClear) { 156 setImageDrawable(null); 157 } 158 setImageDrawable(drawable); 159 return true; 160 } 161 162 private Drawable getIcon(StatusBarIcon icon) { 163 return getIcon(getContext(), icon); 164 } 165 166 /** 167 * Returns the right icon to use for this item, respecting the iconId and 168 * iconPackage (if set) 169 * 170 * @param context Context to use to get resources if iconPackage is not set 171 * @return Drawable for this item, or null if the package or item could not 172 * be found 173 */ 174 public static Drawable getIcon(Context context, StatusBarIcon icon) { 175 Resources r = null; 176 177 if (icon.iconPackage != null) { 178 try { 179 int userId = icon.user.getIdentifier(); 180 if (userId == UserHandle.USER_ALL) { 181 userId = UserHandle.USER_OWNER; 182 } 183 r = context.getPackageManager() 184 .getResourcesForApplicationAsUser(icon.iconPackage, userId); 185 } catch (PackageManager.NameNotFoundException ex) { 186 Log.e(TAG, "Icon package not found: " + icon.iconPackage); 187 return null; 188 } 189 } else { 190 r = context.getResources(); 191 } 192 193 if (icon.iconId == 0) { 194 return null; 195 } 196 197 try { 198 return r.getDrawable(icon.iconId); 199 } catch (RuntimeException e) { 200 Log.w(TAG, "Icon not found in " 201 + (icon.iconPackage != null ? icon.iconId : "<system>") 202 + ": " + Integer.toHexString(icon.iconId)); 203 } 204 205 return null; 206 } 207 208 public StatusBarIcon getStatusBarIcon() { 209 return mIcon; 210 } 211 212 @Override 213 public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 214 super.onInitializeAccessibilityEvent(event); 215 if (mNotification != null) { 216 event.setParcelableData(mNotification); 217 } 218 } 219 220 @Override 221 protected void onSizeChanged(int w, int h, int oldw, int oldh) { 222 super.onSizeChanged(w, h, oldw, oldh); 223 if (mNumberBackground != null) { 224 placeNumber(); 225 } 226 } 227 228 @Override 229 protected void onDraw(Canvas canvas) { 230 super.onDraw(canvas); 231 232 if (mNumberBackground != null) { 233 mNumberBackground.draw(canvas); 234 canvas.drawText(mNumberText, mNumberX, mNumberY, mNumberPain); 235 } 236 } 237 238 @Override 239 protected void debug(int depth) { 240 super.debug(depth); 241 Log.d("View", debugIndent(depth) + "slot=" + mSlot); 242 Log.d("View", debugIndent(depth) + "icon=" + mIcon); 243 } 244 245 void placeNumber() { 246 final String str; 247 final int tooBig = getContext().getResources().getInteger( 248 android.R.integer.status_bar_notification_info_maxnum); 249 if (mIcon.number > tooBig) { 250 str = getContext().getResources().getString( 251 android.R.string.status_bar_notification_info_overflow); 252 } else { 253 NumberFormat f = NumberFormat.getIntegerInstance(); 254 str = f.format(mIcon.number); 255 } 256 mNumberText = str; 257 258 final int w = getWidth(); 259 final int h = getHeight(); 260 final Rect r = new Rect(); 261 mNumberPain.getTextBounds(str, 0, str.length(), r); 262 final int tw = r.right - r.left; 263 final int th = r.bottom - r.top; 264 mNumberBackground.getPadding(r); 265 int dw = r.left + tw + r.right; 266 if (dw < mNumberBackground.getMinimumWidth()) { 267 dw = mNumberBackground.getMinimumWidth(); 268 } 269 mNumberX = w-r.right-((dw-r.right-r.left)/2); 270 int dh = r.top + th + r.bottom; 271 if (dh < mNumberBackground.getMinimumWidth()) { 272 dh = mNumberBackground.getMinimumWidth(); 273 } 274 mNumberY = h-r.bottom-((dh-r.top-th-r.bottom)/2); 275 mNumberBackground.setBounds(w-dw, h-dh, w, h); 276 } 277 278 private void setContentDescription(Notification notification) { 279 if (notification != null) { 280 CharSequence tickerText = notification.tickerText; 281 if (!TextUtils.isEmpty(tickerText)) { 282 setContentDescription(tickerText); 283 } 284 } 285 } 286 287 public String toString() { 288 return "StatusBarIconView(slot=" + mSlot + " icon=" + mIcon 289 + " notification=" + mNotification + ")"; 290 } 291 } 292
