Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 1 | package android.app.assist; |
| 2 | |
| 3 | import android.app.Activity; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 4 | import android.content.ComponentName; |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 5 | import android.graphics.Matrix; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 6 | import android.graphics.Rect; |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 7 | import android.os.BadParcelableException; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 8 | import android.os.Binder; |
| 9 | import android.os.Bundle; |
| 10 | import android.os.IBinder; |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 11 | import android.os.Parcel; |
| 12 | import android.os.Parcelable; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 13 | import android.os.PooledStringReader; |
| 14 | import android.os.PooledStringWriter; |
| 15 | import android.os.RemoteException; |
| 16 | import android.os.SystemClock; |
| 17 | import android.text.TextUtils; |
| 18 | import android.util.Log; |
| 19 | import android.view.View; |
Dianne Hackborn | 8ecf16d | 2015-06-23 13:09:21 -0700 | [diff] [blame] | 20 | import android.view.ViewStructure; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 21 | import android.view.ViewRootImpl; |
| 22 | import android.view.WindowManager; |
| 23 | import android.view.WindowManagerGlobal; |
| 24 | |
| 25 | import java.util.ArrayList; |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 26 | |
| 27 | /** |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 28 | * Assist data automatically created by the platform's implementation |
| 29 | * of {@link android.app.Activity#onProvideAssistData}. |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 30 | */ |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 31 | public class AssistStructure implements Parcelable { |
| 32 | static final String TAG = "AssistStructure"; |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 33 | |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 34 | static final boolean DEBUG_PARCEL = false; |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 35 | static final boolean DEBUG_PARCEL_CHILDREN = false; |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 36 | static final boolean DEBUG_PARCEL_TREE = false; |
| 37 | |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 38 | static final int VALIDATE_WINDOW_TOKEN = 0x11111111; |
| 39 | static final int VALIDATE_VIEW_TOKEN = 0x22222222; |
| 40 | |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 41 | boolean mHaveData; |
| 42 | |
| 43 | ComponentName mActivityComponent; |
| 44 | |
| 45 | final ArrayList<WindowNode> mWindowNodes = new ArrayList<>(); |
| 46 | |
| 47 | final ArrayList<ViewNodeBuilder> mPendingAsyncChildren = new ArrayList<>(); |
| 48 | |
| 49 | SendChannel mSendChannel; |
| 50 | IBinder mReceiveChannel; |
| 51 | |
| 52 | Rect mTmpRect = new Rect(); |
| 53 | |
| 54 | static final int TRANSACTION_XFER = Binder.FIRST_CALL_TRANSACTION+1; |
| 55 | static final String DESCRIPTOR = "android.app.AssistStructure"; |
| 56 | |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 57 | final static class SendChannel extends Binder { |
| 58 | volatile AssistStructure mAssistStructure; |
| 59 | |
| 60 | SendChannel(AssistStructure as) { |
| 61 | mAssistStructure = as; |
| 62 | } |
| 63 | |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 64 | @Override protected boolean onTransact(int code, Parcel data, Parcel reply, int flags) |
| 65 | throws RemoteException { |
| 66 | if (code == TRANSACTION_XFER) { |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 67 | AssistStructure as = mAssistStructure; |
| 68 | if (as == null) { |
| 69 | return true; |
| 70 | } |
| 71 | |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 72 | data.enforceInterface(DESCRIPTOR); |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 73 | IBinder token = data.readStrongBinder(); |
| 74 | if (DEBUG_PARCEL) Log.d(TAG, "Request for data on " + as |
| 75 | + " using token " + token); |
| 76 | if (token != null) { |
| 77 | if (DEBUG_PARCEL) Log.d(TAG, "Resuming partial write of " + token); |
| 78 | if (token instanceof ParcelTransferWriter) { |
| 79 | ParcelTransferWriter xfer = (ParcelTransferWriter)token; |
| 80 | xfer.writeToParcel(as, reply); |
| 81 | return true; |
| 82 | } |
| 83 | Log.w(TAG, "Caller supplied bad token type: " + token); |
| 84 | // Don't write anything; this is the end of the data. |
| 85 | return true; |
| 86 | } |
| 87 | //long start = SystemClock.uptimeMillis(); |
| 88 | ParcelTransferWriter xfer = new ParcelTransferWriter(as, reply); |
| 89 | xfer.writeToParcel(as, reply); |
| 90 | //Log.i(TAG, "Time to parcel: " + (SystemClock.uptimeMillis()-start) + "ms"); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 91 | return true; |
| 92 | } else { |
| 93 | return super.onTransact(code, data, reply, flags); |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 98 | final static class ViewStackEntry { |
| 99 | ViewNode node; |
| 100 | int curChild; |
| 101 | int numChildren; |
| 102 | } |
| 103 | |
| 104 | final static class ParcelTransferWriter extends Binder { |
| 105 | final boolean mWriteStructure; |
| 106 | int mCurWindow; |
| 107 | int mNumWindows; |
| 108 | final ArrayList<ViewStackEntry> mViewStack = new ArrayList<>(); |
| 109 | ViewStackEntry mCurViewStackEntry; |
| 110 | int mCurViewStackPos; |
| 111 | int mNumWrittenWindows; |
| 112 | int mNumWrittenViews; |
| 113 | final float[] mTmpMatrix = new float[9]; |
| 114 | |
| 115 | ParcelTransferWriter(AssistStructure as, Parcel out) { |
| 116 | mWriteStructure = as.waitForReady(); |
| 117 | ComponentName.writeToParcel(as.mActivityComponent, out); |
| 118 | mNumWindows = as.mWindowNodes.size(); |
| 119 | if (mWriteStructure && mNumWindows > 0) { |
| 120 | out.writeInt(mNumWindows); |
| 121 | } else { |
| 122 | out.writeInt(0); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | void writeToParcel(AssistStructure as, Parcel out) { |
| 127 | int start = out.dataPosition(); |
| 128 | mNumWrittenWindows = 0; |
| 129 | mNumWrittenViews = 0; |
| 130 | boolean more = writeToParcelInner(as, out); |
| 131 | Log.i(TAG, "Flattened " + (more ? "partial" : "final") + " assist data: " |
| 132 | + (out.dataPosition() - start) |
| 133 | + " bytes, containing " + mNumWrittenWindows + " windows, " |
| 134 | + mNumWrittenViews + " views"); |
| 135 | } |
| 136 | |
| 137 | boolean writeToParcelInner(AssistStructure as, Parcel out) { |
| 138 | if (mNumWindows == 0) { |
| 139 | return false; |
| 140 | } |
| 141 | if (DEBUG_PARCEL) Log.d(TAG, "Creating PooledStringWriter @ " + out.dataPosition()); |
| 142 | PooledStringWriter pwriter = new PooledStringWriter(out); |
| 143 | while (writeNextEntryToParcel(as, out, pwriter)) { |
Dianne Hackborn | 86cbc2b | 2015-07-28 18:07:13 -0700 | [diff] [blame] | 144 | // If the parcel is above the IPC limit, then we are getting too |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 145 | // large for a single IPC so stop here and let the caller come back when it |
| 146 | // is ready for more. |
Dianne Hackborn | 86cbc2b | 2015-07-28 18:07:13 -0700 | [diff] [blame] | 147 | if (out.dataSize() > IBinder.MAX_IPC_SIZE) { |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 148 | if (DEBUG_PARCEL) Log.d(TAG, "Assist data size is " + out.dataSize() |
| 149 | + " @ pos " + out.dataPosition() + "; returning partial result"); |
| 150 | out.writeInt(0); |
| 151 | out.writeStrongBinder(this); |
| 152 | if (DEBUG_PARCEL) Log.d(TAG, "Finishing PooledStringWriter @ " |
| 153 | + out.dataPosition() + ", size " + pwriter.getStringCount()); |
| 154 | pwriter.finish(); |
| 155 | return true; |
| 156 | } |
| 157 | } |
| 158 | if (DEBUG_PARCEL) Log.d(TAG, "Finishing PooledStringWriter @ " |
| 159 | + out.dataPosition() + ", size " + pwriter.getStringCount()); |
| 160 | pwriter.finish(); |
| 161 | mViewStack.clear(); |
| 162 | return false; |
| 163 | } |
| 164 | |
| 165 | void pushViewStackEntry(ViewNode node, int pos) { |
| 166 | ViewStackEntry entry; |
| 167 | if (pos >= mViewStack.size()) { |
| 168 | entry = new ViewStackEntry(); |
| 169 | mViewStack.add(entry); |
| 170 | if (DEBUG_PARCEL_TREE) Log.d(TAG, "New stack entry at " + pos + ": " + entry); |
| 171 | } else { |
| 172 | entry = mViewStack.get(pos); |
| 173 | if (DEBUG_PARCEL_TREE) Log.d(TAG, "Existing stack entry at " + pos + ": " + entry); |
| 174 | } |
| 175 | entry.node = node; |
| 176 | entry.numChildren = node.getChildCount(); |
| 177 | entry.curChild = 0; |
| 178 | mCurViewStackEntry = entry; |
| 179 | } |
| 180 | |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 181 | void writeView(ViewNode child, Parcel out, PooledStringWriter pwriter, int levelAdj) { |
| 182 | if (DEBUG_PARCEL) Log.d(TAG, "write view: at " + out.dataPosition() |
| 183 | + ", windows=" + mNumWrittenWindows |
| 184 | + ", views=" + mNumWrittenViews |
| 185 | + ", level=" + (mCurViewStackPos+levelAdj)); |
| 186 | out.writeInt(VALIDATE_VIEW_TOKEN); |
| 187 | int flags = child.writeSelfToParcel(out, pwriter, mTmpMatrix); |
| 188 | mNumWrittenViews++; |
| 189 | // If the child has children, push it on the stack to write them next. |
| 190 | if ((flags&ViewNode.FLAGS_HAS_CHILDREN) != 0) { |
| 191 | if (DEBUG_PARCEL_TREE || DEBUG_PARCEL_CHILDREN) Log.d(TAG, |
| 192 | "Preparing to write " + child.mChildren.length |
| 193 | + " children: @ #" + mNumWrittenViews |
| 194 | + ", level " + (mCurViewStackPos+levelAdj)); |
| 195 | out.writeInt(child.mChildren.length); |
| 196 | int pos = ++mCurViewStackPos; |
| 197 | pushViewStackEntry(child, pos); |
| 198 | } |
| 199 | } |
| 200 | |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 201 | boolean writeNextEntryToParcel(AssistStructure as, Parcel out, PooledStringWriter pwriter) { |
| 202 | // Write next view node if appropriate. |
| 203 | if (mCurViewStackEntry != null) { |
| 204 | if (mCurViewStackEntry.curChild < mCurViewStackEntry.numChildren) { |
| 205 | // Write the next child in the current view. |
| 206 | if (DEBUG_PARCEL_TREE) Log.d(TAG, "Writing child #" |
| 207 | + mCurViewStackEntry.curChild + " in " + mCurViewStackEntry.node); |
| 208 | ViewNode child = mCurViewStackEntry.node.mChildren[mCurViewStackEntry.curChild]; |
| 209 | mCurViewStackEntry.curChild++; |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 210 | writeView(child, out, pwriter, 1); |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 211 | return true; |
| 212 | } |
| 213 | |
| 214 | // We are done writing children of the current view; pop off the stack. |
| 215 | do { |
| 216 | int pos = --mCurViewStackPos; |
| 217 | if (DEBUG_PARCEL_TREE) Log.d(TAG, "Done with " + mCurViewStackEntry.node |
| 218 | + "; popping up to " + pos); |
| 219 | if (pos < 0) { |
| 220 | // Reached the last view; step to next window. |
| 221 | if (DEBUG_PARCEL_TREE) Log.d(TAG, "Done with view hierarchy!"); |
| 222 | mCurViewStackEntry = null; |
| 223 | break; |
| 224 | } |
| 225 | mCurViewStackEntry = mViewStack.get(pos); |
| 226 | } while (mCurViewStackEntry.curChild >= mCurViewStackEntry.numChildren); |
| 227 | return true; |
| 228 | } |
| 229 | |
| 230 | // Write the next window if appropriate. |
| 231 | int pos = mCurWindow; |
| 232 | if (pos < mNumWindows) { |
| 233 | WindowNode win = as.mWindowNodes.get(pos); |
| 234 | mCurWindow++; |
| 235 | if (DEBUG_PARCEL) Log.d(TAG, "write window #" + pos + ": at " + out.dataPosition() |
| 236 | + ", windows=" + mNumWrittenWindows |
| 237 | + ", views=" + mNumWrittenViews); |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 238 | out.writeInt(VALIDATE_WINDOW_TOKEN); |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 239 | win.writeSelfToParcel(out, pwriter, mTmpMatrix); |
| 240 | mNumWrittenWindows++; |
| 241 | ViewNode root = win.mRoot; |
| 242 | mCurViewStackPos = 0; |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 243 | if (DEBUG_PARCEL_TREE) Log.d(TAG, "Writing initial root view " + root); |
| 244 | writeView(root, out, pwriter, 0); |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 245 | return true; |
| 246 | } |
| 247 | |
| 248 | return false; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | final class ParcelTransferReader { |
| 253 | final float[] mTmpMatrix = new float[9]; |
| 254 | PooledStringReader mStringReader; |
| 255 | |
| 256 | int mNumReadWindows; |
| 257 | int mNumReadViews; |
| 258 | |
| 259 | private final IBinder mChannel; |
| 260 | private IBinder mTransferToken; |
| 261 | private Parcel mCurParcel; |
| 262 | |
| 263 | ParcelTransferReader(IBinder channel) { |
| 264 | mChannel = channel; |
| 265 | } |
| 266 | |
| 267 | void go() { |
| 268 | fetchData(); |
| 269 | mActivityComponent = ComponentName.readFromParcel(mCurParcel); |
| 270 | final int N = mCurParcel.readInt(); |
| 271 | if (N > 0) { |
| 272 | if (DEBUG_PARCEL) Log.d(TAG, "Creating PooledStringReader @ " |
| 273 | + mCurParcel.dataPosition()); |
| 274 | mStringReader = new PooledStringReader(mCurParcel); |
| 275 | if (DEBUG_PARCEL) Log.d(TAG, "PooledStringReader size = " |
| 276 | + mStringReader.getStringCount()); |
| 277 | for (int i=0; i<N; i++) { |
| 278 | mWindowNodes.add(new WindowNode(this)); |
| 279 | } |
| 280 | } |
| 281 | if (DEBUG_PARCEL) Log.d(TAG, "Finished reading: at " + mCurParcel.dataPosition() |
| 282 | + ", avail=" + mCurParcel.dataAvail() + ", windows=" + mNumReadWindows |
| 283 | + ", views=" + mNumReadViews); |
| 284 | } |
| 285 | |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 286 | Parcel readParcel(int validateToken, int level) { |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 287 | if (DEBUG_PARCEL) Log.d(TAG, "readParcel: at " + mCurParcel.dataPosition() |
| 288 | + ", avail=" + mCurParcel.dataAvail() + ", windows=" + mNumReadWindows |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 289 | + ", views=" + mNumReadViews + ", level=" + level); |
| 290 | int token = mCurParcel.readInt(); |
| 291 | if (token != 0) { |
| 292 | if (token != validateToken) { |
| 293 | throw new BadParcelableException("Got token " + Integer.toHexString(token) |
| 294 | + ", expected token " + Integer.toHexString(validateToken)); |
| 295 | } |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 296 | return mCurParcel; |
| 297 | } |
| 298 | // We have run out of partial data, need to read another batch. |
| 299 | mTransferToken = mCurParcel.readStrongBinder(); |
| 300 | if (mTransferToken == null) { |
| 301 | throw new IllegalStateException( |
| 302 | "Reached end of partial data without transfer token"); |
| 303 | } |
| 304 | if (DEBUG_PARCEL) Log.d(TAG, "Ran out of partial data at " |
| 305 | + mCurParcel.dataPosition() + ", token " + mTransferToken); |
| 306 | fetchData(); |
| 307 | if (DEBUG_PARCEL) Log.d(TAG, "Creating PooledStringReader @ " |
| 308 | + mCurParcel.dataPosition()); |
| 309 | mStringReader = new PooledStringReader(mCurParcel); |
| 310 | if (DEBUG_PARCEL) Log.d(TAG, "PooledStringReader size = " |
| 311 | + mStringReader.getStringCount()); |
| 312 | if (DEBUG_PARCEL) Log.d(TAG, "readParcel: at " + mCurParcel.dataPosition() |
| 313 | + ", avail=" + mCurParcel.dataAvail() + ", windows=" + mNumReadWindows |
| 314 | + ", views=" + mNumReadViews); |
| 315 | mCurParcel.readInt(); |
| 316 | return mCurParcel; |
| 317 | } |
| 318 | |
| 319 | private void fetchData() { |
| 320 | Parcel data = Parcel.obtain(); |
| 321 | data.writeInterfaceToken(DESCRIPTOR); |
| 322 | data.writeStrongBinder(mTransferToken); |
| 323 | if (DEBUG_PARCEL) Log.d(TAG, "Requesting data with token " + mTransferToken); |
| 324 | if (mCurParcel != null) { |
| 325 | mCurParcel.recycle(); |
| 326 | } |
| 327 | mCurParcel = Parcel.obtain(); |
| 328 | try { |
| 329 | mChannel.transact(TRANSACTION_XFER, data, mCurParcel, 0); |
| 330 | } catch (RemoteException e) { |
| 331 | Log.w(TAG, "Failure reading AssistStructure data", e); |
| 332 | throw new IllegalStateException("Failure reading AssistStructure data: " + e); |
| 333 | } |
| 334 | data.recycle(); |
| 335 | mNumReadWindows = mNumReadViews = 0; |
| 336 | } |
| 337 | } |
| 338 | |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 339 | final static class ViewNodeText { |
| 340 | CharSequence mText; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 341 | float mTextSize; |
| 342 | int mTextStyle; |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 343 | int mTextColor = ViewNode.TEXT_COLOR_UNDEFINED; |
| 344 | int mTextBackgroundColor = ViewNode.TEXT_COLOR_UNDEFINED; |
| 345 | int mTextSelectionStart; |
| 346 | int mTextSelectionEnd; |
| 347 | int[] mLineCharOffsets; |
| 348 | int[] mLineBaselines; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 349 | String mHint; |
| 350 | |
| 351 | ViewNodeText() { |
| 352 | } |
| 353 | |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 354 | boolean isSimple() { |
| 355 | return mTextBackgroundColor == ViewNode.TEXT_COLOR_UNDEFINED |
| 356 | && mTextSelectionStart == 0 && mTextSelectionEnd == 0 |
| 357 | && mLineCharOffsets == null && mLineBaselines == null && mHint == null; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 358 | } |
| 359 | |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 360 | ViewNodeText(Parcel in, boolean simple) { |
| 361 | mText = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); |
| 362 | mTextSize = in.readFloat(); |
| 363 | mTextStyle = in.readInt(); |
| 364 | mTextColor = in.readInt(); |
| 365 | if (!simple) { |
| 366 | mTextBackgroundColor = in.readInt(); |
| 367 | mTextSelectionStart = in.readInt(); |
| 368 | mTextSelectionEnd = in.readInt(); |
| 369 | mLineCharOffsets = in.createIntArray(); |
| 370 | mLineBaselines = in.createIntArray(); |
| 371 | mHint = in.readString(); |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | void writeToParcel(Parcel out, boolean simple) { |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 376 | TextUtils.writeToParcel(mText, out, 0); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 377 | out.writeFloat(mTextSize); |
| 378 | out.writeInt(mTextStyle); |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 379 | out.writeInt(mTextColor); |
| 380 | if (!simple) { |
| 381 | out.writeInt(mTextBackgroundColor); |
| 382 | out.writeInt(mTextSelectionStart); |
| 383 | out.writeInt(mTextSelectionEnd); |
| 384 | out.writeIntArray(mLineCharOffsets); |
| 385 | out.writeIntArray(mLineBaselines); |
| 386 | out.writeString(mHint); |
| 387 | } |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 388 | } |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * Describes a window in the assist data. |
| 393 | */ |
| 394 | static public class WindowNode { |
| 395 | final int mX; |
| 396 | final int mY; |
| 397 | final int mWidth; |
| 398 | final int mHeight; |
| 399 | final CharSequence mTitle; |
| 400 | final int mDisplayId; |
| 401 | final ViewNode mRoot; |
| 402 | |
| 403 | WindowNode(AssistStructure assist, ViewRootImpl root) { |
| 404 | View view = root.getView(); |
| 405 | Rect rect = new Rect(); |
| 406 | view.getBoundsOnScreen(rect); |
| 407 | mX = rect.left - view.getLeft(); |
| 408 | mY = rect.top - view.getTop(); |
| 409 | mWidth = rect.width(); |
| 410 | mHeight = rect.height(); |
| 411 | mTitle = root.getTitle(); |
| 412 | mDisplayId = root.getDisplayId(); |
| 413 | mRoot = new ViewNode(); |
| 414 | ViewNodeBuilder builder = new ViewNodeBuilder(assist, mRoot, false); |
| 415 | if ((root.getWindowFlags()& WindowManager.LayoutParams.FLAG_SECURE) != 0) { |
| 416 | // This is a secure window, so it doesn't want a screenshot, and that |
| 417 | // means we should also not copy out its view hierarchy. |
| 418 | view.onProvideStructure(builder); |
| 419 | builder.setAssistBlocked(true); |
| 420 | return; |
| 421 | } |
| 422 | view.dispatchProvideStructure(builder); |
| 423 | } |
| 424 | |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 425 | WindowNode(ParcelTransferReader reader) { |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 426 | Parcel in = reader.readParcel(VALIDATE_WINDOW_TOKEN, 0); |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 427 | reader.mNumReadWindows++; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 428 | mX = in.readInt(); |
| 429 | mY = in.readInt(); |
| 430 | mWidth = in.readInt(); |
| 431 | mHeight = in.readInt(); |
| 432 | mTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); |
| 433 | mDisplayId = in.readInt(); |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 434 | mRoot = new ViewNode(reader, 0); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 435 | } |
| 436 | |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 437 | void writeSelfToParcel(Parcel out, PooledStringWriter pwriter, float[] tmpMatrix) { |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 438 | out.writeInt(mX); |
| 439 | out.writeInt(mY); |
| 440 | out.writeInt(mWidth); |
| 441 | out.writeInt(mHeight); |
| 442 | TextUtils.writeToParcel(mTitle, out, 0); |
| 443 | out.writeInt(mDisplayId); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 444 | } |
| 445 | |
| 446 | /** |
| 447 | * Returns the left edge of the window, in pixels, relative to the left |
| 448 | * edge of the screen. |
| 449 | */ |
| 450 | public int getLeft() { |
| 451 | return mX; |
| 452 | } |
| 453 | |
| 454 | /** |
| 455 | * Returns the top edge of the window, in pixels, relative to the top |
| 456 | * edge of the screen. |
| 457 | */ |
| 458 | public int getTop() { |
| 459 | return mY; |
| 460 | } |
| 461 | |
| 462 | /** |
| 463 | * Returns the total width of the window in pixels. |
| 464 | */ |
| 465 | public int getWidth() { |
| 466 | return mWidth; |
| 467 | } |
| 468 | |
| 469 | /** |
| 470 | * Returns the total height of the window in pixels. |
| 471 | */ |
| 472 | public int getHeight() { |
| 473 | return mHeight; |
| 474 | } |
| 475 | |
| 476 | /** |
| 477 | * Returns the title associated with the window, if it has one. |
| 478 | */ |
| 479 | public CharSequence getTitle() { |
| 480 | return mTitle; |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * Returns the ID of the display this window is on, for use with |
| 485 | * {@link android.hardware.display.DisplayManager#getDisplay DisplayManager.getDisplay()}. |
| 486 | */ |
| 487 | public int getDisplayId() { |
| 488 | return mDisplayId; |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * Returns the {@link ViewNode} containing the root content of the window. |
| 493 | */ |
| 494 | public ViewNode getRootViewNode() { |
| 495 | return mRoot; |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * Describes a single view in the assist data. |
| 501 | */ |
| 502 | static public class ViewNode { |
| 503 | /** |
| 504 | * Magic value for text color that has not been defined, which is very unlikely |
| 505 | * to be confused with a real text color. |
| 506 | */ |
| 507 | public static final int TEXT_COLOR_UNDEFINED = 1; |
| 508 | |
| 509 | public static final int TEXT_STYLE_BOLD = 1<<0; |
| 510 | public static final int TEXT_STYLE_ITALIC = 1<<1; |
| 511 | public static final int TEXT_STYLE_UNDERLINE = 1<<2; |
| 512 | public static final int TEXT_STYLE_STRIKE_THRU = 1<<3; |
| 513 | |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 514 | int mId = View.NO_ID; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 515 | String mIdPackage; |
| 516 | String mIdType; |
| 517 | String mIdEntry; |
Felipe Leme | 29a5b0d | 2016-10-25 14:57:11 -0700 | [diff] [blame^] | 518 | int mAutoFillId = View.NO_ID; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 519 | int mX; |
| 520 | int mY; |
| 521 | int mScrollX; |
| 522 | int mScrollY; |
| 523 | int mWidth; |
| 524 | int mHeight; |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 525 | Matrix mMatrix; |
| 526 | float mElevation; |
| 527 | float mAlpha = 1.0f; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 528 | |
| 529 | static final int FLAGS_DISABLED = 0x00000001; |
| 530 | static final int FLAGS_VISIBILITY_MASK = View.VISIBLE|View.INVISIBLE|View.GONE; |
| 531 | static final int FLAGS_FOCUSABLE = 0x00000010; |
| 532 | static final int FLAGS_FOCUSED = 0x00000020; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 533 | static final int FLAGS_SELECTED = 0x00000040; |
| 534 | static final int FLAGS_ASSIST_BLOCKED = 0x00000080; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 535 | static final int FLAGS_CHECKABLE = 0x00000100; |
| 536 | static final int FLAGS_CHECKED = 0x00000200; |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 537 | static final int FLAGS_CLICKABLE = 0x00000400; |
| 538 | static final int FLAGS_LONG_CLICKABLE = 0x00000800; |
| 539 | static final int FLAGS_ACCESSIBILITY_FOCUSED = 0x00001000; |
| 540 | static final int FLAGS_ACTIVATED = 0x00002000; |
| 541 | static final int FLAGS_CONTEXT_CLICKABLE = 0x00004000; |
| 542 | |
Felipe Leme | 29a5b0d | 2016-10-25 14:57:11 -0700 | [diff] [blame^] | 543 | static final int FLAGS_HAS_AUTO_FILL_ID = 0x80000000; |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 544 | static final int FLAGS_HAS_MATRIX = 0x40000000; |
| 545 | static final int FLAGS_HAS_ALPHA = 0x20000000; |
| 546 | static final int FLAGS_HAS_ELEVATION = 0x10000000; |
| 547 | static final int FLAGS_HAS_SCROLL = 0x08000000; |
| 548 | static final int FLAGS_HAS_LARGE_COORDS = 0x04000000; |
| 549 | static final int FLAGS_HAS_CONTENT_DESCRIPTION = 0x02000000; |
| 550 | static final int FLAGS_HAS_TEXT = 0x01000000; |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 551 | static final int FLAGS_HAS_COMPLEX_TEXT = 0x00800000; |
| 552 | static final int FLAGS_HAS_EXTRAS = 0x00400000; |
| 553 | static final int FLAGS_HAS_ID = 0x00200000; |
| 554 | static final int FLAGS_HAS_CHILDREN = 0x00100000; |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 555 | static final int FLAGS_ALL_CONTROL = 0xfff00000; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 556 | |
| 557 | int mFlags; |
| 558 | |
| 559 | String mClassName; |
| 560 | CharSequence mContentDescription; |
| 561 | |
| 562 | ViewNodeText mText; |
| 563 | Bundle mExtras; |
| 564 | |
| 565 | ViewNode[] mChildren; |
| 566 | |
| 567 | ViewNode() { |
| 568 | } |
| 569 | |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 570 | ViewNode(ParcelTransferReader reader, int nestingLevel) { |
| 571 | final Parcel in = reader.readParcel(VALIDATE_VIEW_TOKEN, nestingLevel); |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 572 | reader.mNumReadViews++; |
| 573 | final PooledStringReader preader = reader.mStringReader; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 574 | mClassName = preader.readString(); |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 575 | mFlags = in.readInt(); |
| 576 | final int flags = mFlags; |
| 577 | if ((flags&FLAGS_HAS_ID) != 0) { |
| 578 | mId = in.readInt(); |
| 579 | if (mId != 0) { |
| 580 | mIdEntry = preader.readString(); |
| 581 | if (mIdEntry != null) { |
| 582 | mIdType = preader.readString(); |
| 583 | mIdPackage = preader.readString(); |
| 584 | } |
| 585 | } |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 586 | } |
Felipe Leme | 29a5b0d | 2016-10-25 14:57:11 -0700 | [diff] [blame^] | 587 | if ((flags&FLAGS_HAS_AUTO_FILL_ID) != 0) { |
| 588 | mAutoFillId = in.readInt(); |
| 589 | } |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 590 | if ((flags&FLAGS_HAS_LARGE_COORDS) != 0) { |
| 591 | mX = in.readInt(); |
| 592 | mY = in.readInt(); |
| 593 | mWidth = in.readInt(); |
| 594 | mHeight = in.readInt(); |
| 595 | } else { |
| 596 | int val = in.readInt(); |
| 597 | mX = val&0x7fff; |
| 598 | mY = (val>>16)&0x7fff; |
| 599 | val = in.readInt(); |
| 600 | mWidth = val&0x7fff; |
| 601 | mHeight = (val>>16)&0x7fff; |
| 602 | } |
| 603 | if ((flags&FLAGS_HAS_SCROLL) != 0) { |
| 604 | mScrollX = in.readInt(); |
| 605 | mScrollY = in.readInt(); |
| 606 | } |
| 607 | if ((flags&FLAGS_HAS_MATRIX) != 0) { |
| 608 | mMatrix = new Matrix(); |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 609 | in.readFloatArray(reader.mTmpMatrix); |
| 610 | mMatrix.setValues(reader.mTmpMatrix); |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 611 | } |
| 612 | if ((flags&FLAGS_HAS_ELEVATION) != 0) { |
| 613 | mElevation = in.readFloat(); |
| 614 | } |
| 615 | if ((flags&FLAGS_HAS_ALPHA) != 0) { |
| 616 | mAlpha = in.readFloat(); |
| 617 | } |
| 618 | if ((flags&FLAGS_HAS_CONTENT_DESCRIPTION) != 0) { |
| 619 | mContentDescription = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); |
| 620 | } |
| 621 | if ((flags&FLAGS_HAS_TEXT) != 0) { |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 622 | mText = new ViewNodeText(in, (flags&FLAGS_HAS_COMPLEX_TEXT) == 0); |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 623 | } |
| 624 | if ((flags&FLAGS_HAS_EXTRAS) != 0) { |
| 625 | mExtras = in.readBundle(); |
| 626 | } |
| 627 | if ((flags&FLAGS_HAS_CHILDREN) != 0) { |
| 628 | final int NCHILDREN = in.readInt(); |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 629 | if (DEBUG_PARCEL_TREE || DEBUG_PARCEL_CHILDREN) Log.d(TAG, |
| 630 | "Preparing to read " + NCHILDREN |
| 631 | + " children: @ #" + reader.mNumReadViews |
| 632 | + ", level " + nestingLevel); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 633 | mChildren = new ViewNode[NCHILDREN]; |
| 634 | for (int i=0; i<NCHILDREN; i++) { |
Dianne Hackborn | 3e8125b | 2015-07-22 17:02:10 -0700 | [diff] [blame] | 635 | mChildren[i] = new ViewNode(reader, nestingLevel + 1); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 636 | } |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 637 | } |
| 638 | } |
| 639 | |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 640 | int writeSelfToParcel(Parcel out, PooledStringWriter pwriter, float[] tmpMatrix) { |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 641 | int flags = mFlags & ~FLAGS_ALL_CONTROL; |
| 642 | if (mId != View.NO_ID) { |
| 643 | flags |= FLAGS_HAS_ID; |
| 644 | } |
Felipe Leme | 29a5b0d | 2016-10-25 14:57:11 -0700 | [diff] [blame^] | 645 | if (mAutoFillId != View.NO_ID) { |
| 646 | flags |= FLAGS_HAS_AUTO_FILL_ID; |
| 647 | } |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 648 | if ((mX&~0x7fff) != 0 || (mY&~0x7fff) != 0 |
| 649 | || (mWidth&~0x7fff) != 0 | (mHeight&~0x7fff) != 0) { |
| 650 | flags |= FLAGS_HAS_LARGE_COORDS; |
| 651 | } |
| 652 | if (mScrollX != 0 || mScrollY != 0) { |
| 653 | flags |= FLAGS_HAS_SCROLL; |
| 654 | } |
| 655 | if (mMatrix != null) { |
| 656 | flags |= FLAGS_HAS_MATRIX; |
| 657 | } |
| 658 | if (mElevation != 0) { |
| 659 | flags |= FLAGS_HAS_ELEVATION; |
| 660 | } |
| 661 | if (mAlpha != 1.0f) { |
| 662 | flags |= FLAGS_HAS_ALPHA; |
| 663 | } |
| 664 | if (mContentDescription != null) { |
| 665 | flags |= FLAGS_HAS_CONTENT_DESCRIPTION; |
| 666 | } |
| 667 | if (mText != null) { |
| 668 | flags |= FLAGS_HAS_TEXT; |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 669 | if (!mText.isSimple()) { |
| 670 | flags |= FLAGS_HAS_COMPLEX_TEXT; |
| 671 | } |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 672 | } |
| 673 | if (mExtras != null) { |
| 674 | flags |= FLAGS_HAS_EXTRAS; |
| 675 | } |
| 676 | if (mChildren != null) { |
| 677 | flags |= FLAGS_HAS_CHILDREN; |
| 678 | } |
| 679 | |
| 680 | pwriter.writeString(mClassName); |
| 681 | out.writeInt(flags); |
| 682 | if ((flags&FLAGS_HAS_ID) != 0) { |
| 683 | out.writeInt(mId); |
| 684 | if (mId != 0) { |
| 685 | pwriter.writeString(mIdEntry); |
| 686 | if (mIdEntry != null) { |
| 687 | pwriter.writeString(mIdType); |
| 688 | pwriter.writeString(mIdPackage); |
| 689 | } |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 690 | } |
| 691 | } |
Felipe Leme | 29a5b0d | 2016-10-25 14:57:11 -0700 | [diff] [blame^] | 692 | if ((flags&FLAGS_HAS_AUTO_FILL_ID) != 0) { |
| 693 | out.writeInt(mAutoFillId); |
| 694 | } |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 695 | if ((flags&FLAGS_HAS_LARGE_COORDS) != 0) { |
| 696 | out.writeInt(mX); |
| 697 | out.writeInt(mY); |
| 698 | out.writeInt(mWidth); |
| 699 | out.writeInt(mHeight); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 700 | } else { |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 701 | out.writeInt((mY<<16) | mX); |
| 702 | out.writeInt((mHeight<<16) | mWidth); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 703 | } |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 704 | if ((flags&FLAGS_HAS_SCROLL) != 0) { |
| 705 | out.writeInt(mScrollX); |
| 706 | out.writeInt(mScrollY); |
| 707 | } |
| 708 | if ((flags&FLAGS_HAS_MATRIX) != 0) { |
| 709 | mMatrix.getValues(tmpMatrix); |
| 710 | out.writeFloatArray(tmpMatrix); |
| 711 | } |
| 712 | if ((flags&FLAGS_HAS_ELEVATION) != 0) { |
| 713 | out.writeFloat(mElevation); |
| 714 | } |
| 715 | if ((flags&FLAGS_HAS_ALPHA) != 0) { |
| 716 | out.writeFloat(mAlpha); |
| 717 | } |
| 718 | if ((flags&FLAGS_HAS_CONTENT_DESCRIPTION) != 0) { |
| 719 | TextUtils.writeToParcel(mContentDescription, out, 0); |
| 720 | } |
| 721 | if ((flags&FLAGS_HAS_TEXT) != 0) { |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 722 | mText.writeToParcel(out, (flags&FLAGS_HAS_COMPLEX_TEXT) == 0); |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 723 | } |
| 724 | if ((flags&FLAGS_HAS_EXTRAS) != 0) { |
| 725 | out.writeBundle(mExtras); |
| 726 | } |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 727 | return flags; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 728 | } |
| 729 | |
| 730 | /** |
| 731 | * Returns the ID associated with this view, as per {@link View#getId() View.getId()}. |
| 732 | */ |
| 733 | public int getId() { |
| 734 | return mId; |
| 735 | } |
| 736 | |
| 737 | /** |
| 738 | * If {@link #getId()} is a resource identifier, this is the package name of that |
| 739 | * identifier. See {@link android.view.ViewStructure#setId ViewStructure.setId} |
| 740 | * for more information. |
| 741 | */ |
| 742 | public String getIdPackage() { |
| 743 | return mIdPackage; |
| 744 | } |
| 745 | |
| 746 | /** |
| 747 | * If {@link #getId()} is a resource identifier, this is the type name of that |
| 748 | * identifier. See {@link android.view.ViewStructure#setId ViewStructure.setId} |
| 749 | * for more information. |
| 750 | */ |
| 751 | public String getIdType() { |
| 752 | return mIdType; |
| 753 | } |
| 754 | |
| 755 | /** |
| 756 | * If {@link #getId()} is a resource identifier, this is the entry name of that |
| 757 | * identifier. See {@link android.view.ViewStructure#setId ViewStructure.setId} |
| 758 | * for more information. |
| 759 | */ |
| 760 | public String getIdEntry() { |
| 761 | return mIdEntry; |
| 762 | } |
| 763 | |
| 764 | /** |
Felipe Leme | 29a5b0d | 2016-10-25 14:57:11 -0700 | [diff] [blame^] | 765 | * Returns the id that can be used to auto-fill the view. |
| 766 | * |
| 767 | * <p>It's only set when the {@link AssistStructure} is used for auto-filling purposes, not |
| 768 | * for assist. |
| 769 | */ |
| 770 | public int getAutoFillId() { |
| 771 | return mAutoFillId; |
| 772 | } |
| 773 | |
| 774 | /** |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 775 | * Returns the left edge of this view, in pixels, relative to the left edge of its parent. |
| 776 | */ |
| 777 | public int getLeft() { |
| 778 | return mX; |
| 779 | } |
| 780 | |
| 781 | /** |
| 782 | * Returns the top edge of this view, in pixels, relative to the top edge of its parent. |
| 783 | */ |
| 784 | public int getTop() { |
| 785 | return mY; |
| 786 | } |
| 787 | |
| 788 | /** |
| 789 | * Returns the current X scroll offset of this view, as per |
| 790 | * {@link android.view.View#getScrollX() View.getScrollX()}. |
| 791 | */ |
| 792 | public int getScrollX() { |
| 793 | return mScrollX; |
| 794 | } |
| 795 | |
| 796 | /** |
| 797 | * Returns the current Y scroll offset of this view, as per |
| 798 | * {@link android.view.View#getScrollX() View.getScrollY()}. |
| 799 | */ |
| 800 | public int getScrollY() { |
| 801 | return mScrollY; |
| 802 | } |
| 803 | |
| 804 | /** |
| 805 | * Returns the width of this view, in pixels. |
| 806 | */ |
| 807 | public int getWidth() { |
| 808 | return mWidth; |
| 809 | } |
| 810 | |
| 811 | /** |
| 812 | * Returns the height of this view, in pixels. |
| 813 | */ |
| 814 | public int getHeight() { |
| 815 | return mHeight; |
| 816 | } |
| 817 | |
| 818 | /** |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 819 | * Returns the transformation that has been applied to this view, such as a translation |
| 820 | * or scaling. The returned Matrix object is owned by ViewNode; do not modify it. |
| 821 | * Returns null if there is no transformation applied to the view. |
| 822 | */ |
| 823 | public Matrix getTransformation() { |
| 824 | return mMatrix; |
| 825 | } |
| 826 | |
| 827 | /** |
| 828 | * Returns the visual elevation of the view, used for shadowing and other visual |
| 829 | * characterstics, as set by {@link ViewStructure#setElevation |
| 830 | * ViewStructure.setElevation(float)}. |
| 831 | */ |
| 832 | public float getElevation() { |
| 833 | return mElevation; |
| 834 | } |
| 835 | |
| 836 | /** |
| 837 | * Returns the alpha transformation of the view, used to reduce the overall opacity |
| 838 | * of the view's contents, as set by {@link ViewStructure#setAlpha |
| 839 | * ViewStructure.setAlpha(float)}. |
| 840 | */ |
| 841 | public float getAlpha() { |
| 842 | return mAlpha; |
| 843 | } |
| 844 | |
| 845 | /** |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 846 | * Returns the visibility mode of this view, as per |
| 847 | * {@link android.view.View#getVisibility() View.getVisibility()}. |
| 848 | */ |
| 849 | public int getVisibility() { |
| 850 | return mFlags&ViewNode.FLAGS_VISIBILITY_MASK; |
| 851 | } |
| 852 | |
| 853 | /** |
| 854 | * Returns true if assist data has been blocked starting at this node in the hierarchy. |
| 855 | */ |
| 856 | public boolean isAssistBlocked() { |
Dianne Hackborn | fcbfeaf | 2015-07-15 11:25:55 -0700 | [diff] [blame] | 857 | return (mFlags&ViewNode.FLAGS_ASSIST_BLOCKED) != 0; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | /** |
| 861 | * Returns true if this node is in an enabled state. |
| 862 | */ |
| 863 | public boolean isEnabled() { |
| 864 | return (mFlags&ViewNode.FLAGS_DISABLED) == 0; |
| 865 | } |
| 866 | |
| 867 | /** |
| 868 | * Returns true if this node is clickable by the user. |
| 869 | */ |
| 870 | public boolean isClickable() { |
| 871 | return (mFlags&ViewNode.FLAGS_CLICKABLE) != 0; |
| 872 | } |
| 873 | |
| 874 | /** |
| 875 | * Returns true if this node can take input focus. |
| 876 | */ |
| 877 | public boolean isFocusable() { |
| 878 | return (mFlags&ViewNode.FLAGS_FOCUSABLE) != 0; |
| 879 | } |
| 880 | |
| 881 | /** |
| 882 | * Returns true if this node currently had input focus at the time that the |
| 883 | * structure was collected. |
| 884 | */ |
| 885 | public boolean isFocused() { |
| 886 | return (mFlags&ViewNode.FLAGS_FOCUSED) != 0; |
| 887 | } |
| 888 | |
| 889 | /** |
| 890 | * Returns true if this node currently had accessibility focus at the time that the |
| 891 | * structure was collected. |
| 892 | */ |
| 893 | public boolean isAccessibilityFocused() { |
| 894 | return (mFlags&ViewNode.FLAGS_ACCESSIBILITY_FOCUSED) != 0; |
| 895 | } |
| 896 | |
| 897 | /** |
| 898 | * Returns true if this node represents something that is checkable by the user. |
| 899 | */ |
| 900 | public boolean isCheckable() { |
| 901 | return (mFlags&ViewNode.FLAGS_CHECKABLE) != 0; |
| 902 | } |
| 903 | |
| 904 | /** |
| 905 | * Returns true if this node is currently in a checked state. |
| 906 | */ |
| 907 | public boolean isChecked() { |
| 908 | return (mFlags&ViewNode.FLAGS_CHECKED) != 0; |
| 909 | } |
| 910 | |
| 911 | /** |
| 912 | * Returns true if this node has currently been selected by the user. |
| 913 | */ |
| 914 | public boolean isSelected() { |
| 915 | return (mFlags&ViewNode.FLAGS_SELECTED) != 0; |
| 916 | } |
| 917 | |
| 918 | /** |
| 919 | * Returns true if this node has currently been activated by the user. |
| 920 | */ |
| 921 | public boolean isActivated() { |
| 922 | return (mFlags&ViewNode.FLAGS_ACTIVATED) != 0; |
| 923 | } |
| 924 | |
| 925 | /** |
| 926 | * Returns true if this node is something the user can perform a long click/press on. |
| 927 | */ |
| 928 | public boolean isLongClickable() { |
| 929 | return (mFlags&ViewNode.FLAGS_LONG_CLICKABLE) != 0; |
| 930 | } |
| 931 | |
| 932 | /** |
| 933 | * Returns true if this node is something the user can perform a context click on. |
| 934 | */ |
| 935 | public boolean isContextClickable() { |
| 936 | return (mFlags&ViewNode.FLAGS_CONTEXT_CLICKABLE) != 0; |
| 937 | } |
| 938 | |
| 939 | /** |
| 940 | * Returns the class name of the node's implementation, indicating its behavior. |
| 941 | * For example, a button will report "android.widget.Button" meaning it behaves |
| 942 | * like a {@link android.widget.Button}. |
| 943 | */ |
| 944 | public String getClassName() { |
| 945 | return mClassName; |
| 946 | } |
| 947 | |
| 948 | /** |
| 949 | * Returns any content description associated with the node, which semantically describes |
| 950 | * its purpose for accessibility and other uses. |
| 951 | */ |
| 952 | public CharSequence getContentDescription() { |
| 953 | return mContentDescription; |
| 954 | } |
| 955 | |
| 956 | /** |
| 957 | * Returns any text associated with the node that is displayed to the user, or null |
| 958 | * if there is none. |
| 959 | */ |
| 960 | public CharSequence getText() { |
| 961 | return mText != null ? mText.mText : null; |
| 962 | } |
| 963 | |
| 964 | /** |
| 965 | * If {@link #getText()} is non-null, this is where the current selection starts. |
| 966 | */ |
| 967 | public int getTextSelectionStart() { |
| 968 | return mText != null ? mText.mTextSelectionStart : -1; |
| 969 | } |
| 970 | |
| 971 | /** |
| 972 | * If {@link #getText()} is non-null, this is where the current selection starts. |
| 973 | * If there is no selection, returns the same value as {@link #getTextSelectionStart()}, |
| 974 | * indicating the cursor position. |
| 975 | */ |
| 976 | public int getTextSelectionEnd() { |
| 977 | return mText != null ? mText.mTextSelectionEnd : -1; |
| 978 | } |
| 979 | |
| 980 | /** |
| 981 | * If {@link #getText()} is non-null, this is the main text color associated with it. |
| 982 | * If there is no text color, {@link #TEXT_COLOR_UNDEFINED} is returned. |
| 983 | * Note that the text may also contain style spans that modify the color of specific |
| 984 | * parts of the text. |
| 985 | */ |
| 986 | public int getTextColor() { |
| 987 | return mText != null ? mText.mTextColor : TEXT_COLOR_UNDEFINED; |
| 988 | } |
| 989 | |
| 990 | /** |
| 991 | * If {@link #getText()} is non-null, this is the main text background color associated |
| 992 | * with it. |
| 993 | * If there is no text background color, {@link #TEXT_COLOR_UNDEFINED} is returned. |
| 994 | * Note that the text may also contain style spans that modify the color of specific |
| 995 | * parts of the text. |
| 996 | */ |
| 997 | public int getTextBackgroundColor() { |
| 998 | return mText != null ? mText.mTextBackgroundColor : TEXT_COLOR_UNDEFINED; |
| 999 | } |
| 1000 | |
| 1001 | /** |
| 1002 | * If {@link #getText()} is non-null, this is the main text size (in pixels) associated |
| 1003 | * with it. |
| 1004 | * Note that the text may also contain style spans that modify the size of specific |
| 1005 | * parts of the text. |
| 1006 | */ |
| 1007 | public float getTextSize() { |
| 1008 | return mText != null ? mText.mTextSize : 0; |
| 1009 | } |
| 1010 | |
| 1011 | /** |
| 1012 | * If {@link #getText()} is non-null, this is the main text style associated |
| 1013 | * with it, containing a bit mask of {@link #TEXT_STYLE_BOLD}, |
| 1014 | * {@link #TEXT_STYLE_BOLD}, {@link #TEXT_STYLE_STRIKE_THRU}, and/or |
| 1015 | * {@link #TEXT_STYLE_UNDERLINE}. |
| 1016 | * Note that the text may also contain style spans that modify the style of specific |
| 1017 | * parts of the text. |
| 1018 | */ |
| 1019 | public int getTextStyle() { |
| 1020 | return mText != null ? mText.mTextStyle : 0; |
| 1021 | } |
| 1022 | |
| 1023 | /** |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 1024 | * Return per-line offsets into the text returned by {@link #getText()}. Each entry |
| 1025 | * in the array is a formatted line of text, and the value it contains is the offset |
| 1026 | * into the text string where that line starts. May return null if there is no line |
| 1027 | * information. |
| 1028 | */ |
| 1029 | public int[] getTextLineCharOffsets() { |
| 1030 | return mText != null ? mText.mLineCharOffsets : null; |
| 1031 | } |
| 1032 | |
| 1033 | /** |
| 1034 | * Return per-line baselines into the text returned by {@link #getText()}. Each entry |
| 1035 | * in the array is a formatted line of text, and the value it contains is the baseline |
| 1036 | * where that text appears in the view. May return null if there is no line |
| 1037 | * information. |
| 1038 | */ |
| 1039 | public int[] getTextLineBaselines() { |
| 1040 | return mText != null ? mText.mLineBaselines : null; |
| 1041 | } |
| 1042 | |
| 1043 | /** |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1044 | * Return additional hint text associated with the node; this is typically used with |
| 1045 | * a node that takes user input, describing to the user what the input means. |
| 1046 | */ |
| 1047 | public String getHint() { |
| 1048 | return mText != null ? mText.mHint : null; |
| 1049 | } |
| 1050 | |
| 1051 | /** |
| 1052 | * Return a Bundle containing optional vendor-specific extension information. |
| 1053 | */ |
| 1054 | public Bundle getExtras() { |
| 1055 | return mExtras; |
| 1056 | } |
| 1057 | |
| 1058 | /** |
| 1059 | * Return the number of children this node has. |
| 1060 | */ |
| 1061 | public int getChildCount() { |
| 1062 | return mChildren != null ? mChildren.length : 0; |
| 1063 | } |
| 1064 | |
| 1065 | /** |
| 1066 | * Return a child of this node, given an index value from 0 to |
| 1067 | * {@link #getChildCount()}-1. |
| 1068 | */ |
| 1069 | public ViewNode getChildAt(int index) { |
| 1070 | return mChildren[index]; |
| 1071 | } |
| 1072 | } |
| 1073 | |
Dianne Hackborn | 8ecf16d | 2015-06-23 13:09:21 -0700 | [diff] [blame] | 1074 | static class ViewNodeBuilder extends ViewStructure { |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1075 | final AssistStructure mAssist; |
| 1076 | final ViewNode mNode; |
| 1077 | final boolean mAsync; |
| 1078 | |
| 1079 | ViewNodeBuilder(AssistStructure assist, ViewNode node, boolean async) { |
| 1080 | mAssist = assist; |
| 1081 | mNode = node; |
| 1082 | mAsync = async; |
| 1083 | } |
| 1084 | |
| 1085 | @Override |
| 1086 | public void setId(int id, String packageName, String typeName, String entryName) { |
| 1087 | mNode.mId = id; |
| 1088 | mNode.mIdPackage = packageName; |
| 1089 | mNode.mIdType = typeName; |
| 1090 | mNode.mIdEntry = entryName; |
| 1091 | } |
| 1092 | |
| 1093 | @Override |
| 1094 | public void setDimens(int left, int top, int scrollX, int scrollY, int width, int height) { |
| 1095 | mNode.mX = left; |
| 1096 | mNode.mY = top; |
| 1097 | mNode.mScrollX = scrollX; |
| 1098 | mNode.mScrollY = scrollY; |
| 1099 | mNode.mWidth = width; |
| 1100 | mNode.mHeight = height; |
| 1101 | } |
| 1102 | |
| 1103 | @Override |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 1104 | public void setTransformation(Matrix matrix) { |
| 1105 | if (matrix == null) { |
| 1106 | mNode.mMatrix = null; |
| 1107 | } else { |
| 1108 | mNode.mMatrix = new Matrix(matrix); |
| 1109 | } |
| 1110 | } |
| 1111 | |
| 1112 | @Override |
| 1113 | public void setElevation(float elevation) { |
| 1114 | mNode.mElevation = elevation; |
| 1115 | } |
| 1116 | |
| 1117 | @Override |
| 1118 | public void setAlpha(float alpha) { |
| 1119 | mNode.mAlpha = alpha; |
| 1120 | } |
| 1121 | |
| 1122 | @Override |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1123 | public void setVisibility(int visibility) { |
| 1124 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_VISIBILITY_MASK) | visibility; |
| 1125 | } |
| 1126 | |
| 1127 | @Override |
| 1128 | public void setAssistBlocked(boolean state) { |
| 1129 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_ASSIST_BLOCKED) |
Dianne Hackborn | afb308d | 2015-07-31 13:10:55 -0700 | [diff] [blame] | 1130 | | (state ? ViewNode.FLAGS_ASSIST_BLOCKED : 0); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1131 | } |
| 1132 | |
| 1133 | @Override |
| 1134 | public void setEnabled(boolean state) { |
| 1135 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_DISABLED) |
| 1136 | | (state ? 0 : ViewNode.FLAGS_DISABLED); |
| 1137 | } |
| 1138 | |
| 1139 | @Override |
| 1140 | public void setClickable(boolean state) { |
| 1141 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_CLICKABLE) |
| 1142 | | (state ? ViewNode.FLAGS_CLICKABLE : 0); |
| 1143 | } |
| 1144 | |
| 1145 | @Override |
| 1146 | public void setLongClickable(boolean state) { |
| 1147 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_LONG_CLICKABLE) |
| 1148 | | (state ? ViewNode.FLAGS_LONG_CLICKABLE : 0); |
| 1149 | } |
| 1150 | |
| 1151 | @Override |
| 1152 | public void setContextClickable(boolean state) { |
| 1153 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_CONTEXT_CLICKABLE) |
| 1154 | | (state ? ViewNode.FLAGS_CONTEXT_CLICKABLE : 0); |
| 1155 | } |
| 1156 | |
| 1157 | @Override |
| 1158 | public void setFocusable(boolean state) { |
| 1159 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_FOCUSABLE) |
| 1160 | | (state ? ViewNode.FLAGS_FOCUSABLE : 0); |
| 1161 | } |
| 1162 | |
| 1163 | @Override |
| 1164 | public void setFocused(boolean state) { |
| 1165 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_FOCUSED) |
| 1166 | | (state ? ViewNode.FLAGS_FOCUSED : 0); |
| 1167 | } |
| 1168 | |
| 1169 | @Override |
| 1170 | public void setAccessibilityFocused(boolean state) { |
| 1171 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_ACCESSIBILITY_FOCUSED) |
| 1172 | | (state ? ViewNode.FLAGS_ACCESSIBILITY_FOCUSED : 0); |
| 1173 | } |
| 1174 | |
| 1175 | @Override |
| 1176 | public void setCheckable(boolean state) { |
| 1177 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_CHECKABLE) |
| 1178 | | (state ? ViewNode.FLAGS_CHECKABLE : 0); |
| 1179 | } |
| 1180 | |
| 1181 | @Override |
| 1182 | public void setChecked(boolean state) { |
| 1183 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_CHECKED) |
| 1184 | | (state ? ViewNode.FLAGS_CHECKED : 0); |
| 1185 | } |
| 1186 | |
| 1187 | @Override |
| 1188 | public void setSelected(boolean state) { |
| 1189 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_SELECTED) |
| 1190 | | (state ? ViewNode.FLAGS_SELECTED : 0); |
| 1191 | } |
| 1192 | |
| 1193 | @Override |
| 1194 | public void setActivated(boolean state) { |
| 1195 | mNode.mFlags = (mNode.mFlags&~ViewNode.FLAGS_ACTIVATED) |
| 1196 | | (state ? ViewNode.FLAGS_ACTIVATED : 0); |
| 1197 | } |
| 1198 | |
| 1199 | @Override |
| 1200 | public void setClassName(String className) { |
| 1201 | mNode.mClassName = className; |
| 1202 | } |
| 1203 | |
| 1204 | @Override |
| 1205 | public void setContentDescription(CharSequence contentDescription) { |
| 1206 | mNode.mContentDescription = contentDescription; |
| 1207 | } |
| 1208 | |
| 1209 | private final ViewNodeText getNodeText() { |
| 1210 | if (mNode.mText != null) { |
| 1211 | return mNode.mText; |
| 1212 | } |
| 1213 | mNode.mText = new ViewNodeText(); |
| 1214 | return mNode.mText; |
| 1215 | } |
| 1216 | |
| 1217 | @Override |
| 1218 | public void setText(CharSequence text) { |
| 1219 | ViewNodeText t = getNodeText(); |
| 1220 | t.mText = text; |
| 1221 | t.mTextSelectionStart = t.mTextSelectionEnd = -1; |
| 1222 | } |
| 1223 | |
| 1224 | @Override |
| 1225 | public void setText(CharSequence text, int selectionStart, int selectionEnd) { |
| 1226 | ViewNodeText t = getNodeText(); |
| 1227 | t.mText = text; |
| 1228 | t.mTextSelectionStart = selectionStart; |
| 1229 | t.mTextSelectionEnd = selectionEnd; |
| 1230 | } |
| 1231 | |
| 1232 | @Override |
| 1233 | public void setTextStyle(float size, int fgColor, int bgColor, int style) { |
| 1234 | ViewNodeText t = getNodeText(); |
| 1235 | t.mTextColor = fgColor; |
| 1236 | t.mTextBackgroundColor = bgColor; |
| 1237 | t.mTextSize = size; |
| 1238 | t.mTextStyle = style; |
| 1239 | } |
| 1240 | |
| 1241 | @Override |
Dianne Hackborn | 6f0fdc4 | 2015-07-07 14:29:36 -0700 | [diff] [blame] | 1242 | public void setTextLines(int[] charOffsets, int[] baselines) { |
| 1243 | ViewNodeText t = getNodeText(); |
| 1244 | t.mLineCharOffsets = charOffsets; |
| 1245 | t.mLineBaselines = baselines; |
| 1246 | } |
| 1247 | |
| 1248 | @Override |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1249 | public void setHint(CharSequence hint) { |
| 1250 | getNodeText().mHint = hint != null ? hint.toString() : null; |
| 1251 | } |
| 1252 | |
| 1253 | @Override |
| 1254 | public CharSequence getText() { |
| 1255 | return mNode.mText != null ? mNode.mText.mText : null; |
| 1256 | } |
| 1257 | |
| 1258 | @Override |
| 1259 | public int getTextSelectionStart() { |
| 1260 | return mNode.mText != null ? mNode.mText.mTextSelectionStart : -1; |
| 1261 | } |
| 1262 | |
| 1263 | @Override |
| 1264 | public int getTextSelectionEnd() { |
| 1265 | return mNode.mText != null ? mNode.mText.mTextSelectionEnd : -1; |
| 1266 | } |
| 1267 | |
| 1268 | @Override |
| 1269 | public CharSequence getHint() { |
| 1270 | return mNode.mText != null ? mNode.mText.mHint : null; |
| 1271 | } |
| 1272 | |
| 1273 | @Override |
| 1274 | public Bundle getExtras() { |
| 1275 | if (mNode.mExtras != null) { |
| 1276 | return mNode.mExtras; |
| 1277 | } |
| 1278 | mNode.mExtras = new Bundle(); |
| 1279 | return mNode.mExtras; |
| 1280 | } |
| 1281 | |
| 1282 | @Override |
| 1283 | public boolean hasExtras() { |
| 1284 | return mNode.mExtras != null; |
| 1285 | } |
| 1286 | |
| 1287 | @Override |
| 1288 | public void setChildCount(int num) { |
| 1289 | mNode.mChildren = new ViewNode[num]; |
| 1290 | } |
| 1291 | |
| 1292 | @Override |
| 1293 | public int addChildCount(int num) { |
| 1294 | if (mNode.mChildren == null) { |
| 1295 | setChildCount(num); |
| 1296 | return 0; |
| 1297 | } |
| 1298 | final int start = mNode.mChildren.length; |
| 1299 | ViewNode[] newArray = new ViewNode[start + num]; |
| 1300 | System.arraycopy(mNode.mChildren, 0, newArray, 0, start); |
| 1301 | mNode.mChildren = newArray; |
| 1302 | return start; |
| 1303 | } |
| 1304 | |
| 1305 | @Override |
| 1306 | public int getChildCount() { |
| 1307 | return mNode.mChildren != null ? mNode.mChildren.length : 0; |
| 1308 | } |
| 1309 | |
| 1310 | @Override |
Dianne Hackborn | 8ecf16d | 2015-06-23 13:09:21 -0700 | [diff] [blame] | 1311 | public ViewStructure newChild(int index) { |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1312 | ViewNode node = new ViewNode(); |
| 1313 | mNode.mChildren[index] = node; |
| 1314 | return new ViewNodeBuilder(mAssist, node, false); |
| 1315 | } |
| 1316 | |
| 1317 | @Override |
Dianne Hackborn | 8ecf16d | 2015-06-23 13:09:21 -0700 | [diff] [blame] | 1318 | public ViewStructure asyncNewChild(int index) { |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1319 | synchronized (mAssist) { |
| 1320 | ViewNode node = new ViewNode(); |
| 1321 | mNode.mChildren[index] = node; |
| 1322 | ViewNodeBuilder builder = new ViewNodeBuilder(mAssist, node, true); |
| 1323 | mAssist.mPendingAsyncChildren.add(builder); |
| 1324 | return builder; |
| 1325 | } |
| 1326 | } |
| 1327 | |
| 1328 | @Override |
| 1329 | public void asyncCommit() { |
| 1330 | synchronized (mAssist) { |
| 1331 | if (!mAsync) { |
| 1332 | throw new IllegalStateException("Child " + this |
Dianne Hackborn | 8ecf16d | 2015-06-23 13:09:21 -0700 | [diff] [blame] | 1333 | + " was not created with ViewStructure.asyncNewChild"); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1334 | } |
| 1335 | if (!mAssist.mPendingAsyncChildren.remove(this)) { |
| 1336 | throw new IllegalStateException("Child " + this + " already committed"); |
| 1337 | } |
| 1338 | mAssist.notifyAll(); |
| 1339 | } |
| 1340 | } |
| 1341 | |
| 1342 | @Override |
| 1343 | public Rect getTempRect() { |
| 1344 | return mAssist.mTmpRect; |
| 1345 | } |
Felipe Leme | 29a5b0d | 2016-10-25 14:57:11 -0700 | [diff] [blame^] | 1346 | |
| 1347 | @Override |
| 1348 | public void setAutoFillId(int autoFillId) { |
| 1349 | mNode.mAutoFillId = autoFillId; |
| 1350 | } |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 1351 | } |
| 1352 | |
| 1353 | /** @hide */ |
| 1354 | public AssistStructure(Activity activity) { |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1355 | mHaveData = true; |
| 1356 | mActivityComponent = activity.getComponentName(); |
| 1357 | ArrayList<ViewRootImpl> views = WindowManagerGlobal.getInstance().getRootViews( |
| 1358 | activity.getActivityToken()); |
| 1359 | for (int i=0; i<views.size(); i++) { |
| 1360 | ViewRootImpl root = views.get(i); |
| 1361 | mWindowNodes.add(new WindowNode(this, root)); |
| 1362 | } |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 1363 | } |
| 1364 | |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1365 | public AssistStructure() { |
| 1366 | mHaveData = true; |
| 1367 | mActivityComponent = null; |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 1368 | } |
| 1369 | |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1370 | /** @hide */ |
| 1371 | public AssistStructure(Parcel in) { |
| 1372 | mReceiveChannel = in.readStrongBinder(); |
| 1373 | } |
| 1374 | |
| 1375 | /** @hide */ |
| 1376 | public void dump() { |
| 1377 | Log.i(TAG, "Activity: " + mActivityComponent.flattenToShortString()); |
| 1378 | final int N = getWindowNodeCount(); |
| 1379 | for (int i=0; i<N; i++) { |
| 1380 | WindowNode node = getWindowNodeAt(i); |
| 1381 | Log.i(TAG, "Window #" + i + " [" + node.getLeft() + "," + node.getTop() |
| 1382 | + " " + node.getWidth() + "x" + node.getHeight() + "]" + " " + node.getTitle()); |
| 1383 | dump(" ", node.getRootViewNode()); |
| 1384 | } |
| 1385 | } |
| 1386 | |
| 1387 | void dump(String prefix, ViewNode node) { |
| 1388 | Log.i(TAG, prefix + "View [" + node.getLeft() + "," + node.getTop() |
| 1389 | + " " + node.getWidth() + "x" + node.getHeight() + "]" + " " + node.getClassName()); |
| 1390 | int id = node.getId(); |
| 1391 | if (id != 0) { |
| 1392 | StringBuilder sb = new StringBuilder(); |
| 1393 | sb.append(prefix); sb.append(" ID: #"); sb.append(Integer.toHexString(id)); |
| 1394 | String entry = node.getIdEntry(); |
| 1395 | if (entry != null) { |
| 1396 | String type = node.getIdType(); |
| 1397 | String pkg = node.getIdPackage(); |
| 1398 | sb.append(" "); sb.append(pkg); sb.append(":"); sb.append(type); |
| 1399 | sb.append("/"); sb.append(entry); |
| 1400 | } |
| 1401 | Log.i(TAG, sb.toString()); |
| 1402 | } |
| 1403 | int scrollX = node.getScrollX(); |
| 1404 | int scrollY = node.getScrollY(); |
| 1405 | if (scrollX != 0 || scrollY != 0) { |
| 1406 | Log.i(TAG, prefix + " Scroll: " + scrollX + "," + scrollY); |
| 1407 | } |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 1408 | Matrix matrix = node.getTransformation(); |
| 1409 | if (matrix != null) { |
| 1410 | Log.i(TAG, prefix + " Transformation: " + matrix); |
| 1411 | } |
| 1412 | float elevation = node.getElevation(); |
| 1413 | if (elevation != 0) { |
| 1414 | Log.i(TAG, prefix + " Elevation: " + elevation); |
| 1415 | } |
| 1416 | float alpha = node.getAlpha(); |
| 1417 | if (alpha != 0) { |
| 1418 | Log.i(TAG, prefix + " Alpha: " + elevation); |
| 1419 | } |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1420 | CharSequence contentDescription = node.getContentDescription(); |
| 1421 | if (contentDescription != null) { |
| 1422 | Log.i(TAG, prefix + " Content description: " + contentDescription); |
| 1423 | } |
| 1424 | CharSequence text = node.getText(); |
| 1425 | if (text != null) { |
| 1426 | Log.i(TAG, prefix + " Text (sel " + node.getTextSelectionStart() + "-" |
| 1427 | + node.getTextSelectionEnd() + "): " + text); |
| 1428 | Log.i(TAG, prefix + " Text size: " + node.getTextSize() + " , style: #" |
| 1429 | + node.getTextStyle()); |
| 1430 | Log.i(TAG, prefix + " Text color fg: #" + Integer.toHexString(node.getTextColor()) |
| 1431 | + ", bg: #" + Integer.toHexString(node.getTextBackgroundColor())); |
| 1432 | } |
| 1433 | String hint = node.getHint(); |
| 1434 | if (hint != null) { |
| 1435 | Log.i(TAG, prefix + " Hint: " + hint); |
| 1436 | } |
| 1437 | Bundle extras = node.getExtras(); |
| 1438 | if (extras != null) { |
| 1439 | Log.i(TAG, prefix + " Extras: " + extras); |
| 1440 | } |
Dianne Hackborn | afb308d | 2015-07-31 13:10:55 -0700 | [diff] [blame] | 1441 | if (node.isAssistBlocked()) { |
| 1442 | Log.i(TAG, prefix + " BLOCKED"); |
| 1443 | } |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1444 | final int NCHILDREN = node.getChildCount(); |
| 1445 | if (NCHILDREN > 0) { |
| 1446 | Log.i(TAG, prefix + " Children:"); |
| 1447 | String cprefix = prefix + " "; |
| 1448 | for (int i=0; i<NCHILDREN; i++) { |
| 1449 | ViewNode cnode = node.getChildAt(i); |
| 1450 | dump(cprefix, cnode); |
| 1451 | } |
| 1452 | } |
| 1453 | } |
| 1454 | |
| 1455 | /** |
| 1456 | * Return the activity this AssistStructure came from. |
| 1457 | */ |
| 1458 | public ComponentName getActivityComponent() { |
| 1459 | ensureData(); |
| 1460 | return mActivityComponent; |
| 1461 | } |
| 1462 | |
| 1463 | /** |
| 1464 | * Return the number of window contents that have been collected in this assist data. |
| 1465 | */ |
| 1466 | public int getWindowNodeCount() { |
| 1467 | ensureData(); |
| 1468 | return mWindowNodes.size(); |
| 1469 | } |
| 1470 | |
| 1471 | /** |
| 1472 | * Return one of the windows in the assist data. |
| 1473 | * @param index Which window to retrieve, may be 0 to {@link #getWindowNodeCount()}-1. |
| 1474 | */ |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 1475 | public WindowNode getWindowNodeAt(int index) { |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1476 | ensureData(); |
| 1477 | return mWindowNodes.get(index); |
| 1478 | } |
| 1479 | |
| 1480 | /** @hide */ |
| 1481 | public void ensureData() { |
| 1482 | if (mHaveData) { |
| 1483 | return; |
| 1484 | } |
| 1485 | mHaveData = true; |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 1486 | ParcelTransferReader reader = new ParcelTransferReader(mReceiveChannel); |
| 1487 | reader.go(); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1488 | } |
| 1489 | |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 1490 | boolean waitForReady() { |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1491 | boolean skipStructure = false; |
| 1492 | synchronized (this) { |
| 1493 | long endTime = SystemClock.uptimeMillis() + 5000; |
| 1494 | long now; |
| 1495 | while (mPendingAsyncChildren.size() > 0 && (now=SystemClock.uptimeMillis()) < endTime) { |
| 1496 | try { |
| 1497 | wait(endTime-now); |
| 1498 | } catch (InterruptedException e) { |
| 1499 | } |
| 1500 | } |
| 1501 | if (mPendingAsyncChildren.size() > 0) { |
| 1502 | // We waited too long, assume none of the assist structure is valid. |
Dianne Hackborn | 70d8be7 | 2015-06-23 19:33:02 +0000 | [diff] [blame] | 1503 | Log.w(TAG, "Skipping assist structure, waiting too long for async children (have " |
| 1504 | + mPendingAsyncChildren.size() + " remaining"); |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1505 | skipStructure = true; |
| 1506 | } |
| 1507 | } |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 1508 | return !skipStructure; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1509 | } |
| 1510 | |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 1511 | /** @hide */ |
| 1512 | public void clearSendChannel() { |
| 1513 | if (mSendChannel != null) { |
| 1514 | mSendChannel.mAssistStructure = null; |
Dianne Hackborn | 16036f2 | 2015-06-22 14:05:51 -0700 | [diff] [blame] | 1515 | } |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 1516 | } |
| 1517 | |
| 1518 | public int describeContents() { |
| 1519 | return 0; |
| 1520 | } |
| 1521 | |
| 1522 | public void writeToParcel(Parcel out, int flags) { |
| 1523 | if (mHaveData) { |
| 1524 | // This object holds its data. We want to write a send channel that the |
| 1525 | // other side can use to retrieve that data. |
| 1526 | if (mSendChannel == null) { |
Dianne Hackborn | 782d498 | 2015-07-08 17:36:37 -0700 | [diff] [blame] | 1527 | mSendChannel = new SendChannel(this); |
Dianne Hackborn | 69c6adc | 2015-06-02 10:52:59 -0700 | [diff] [blame] | 1528 | } |
| 1529 | out.writeStrongBinder(mSendChannel); |
| 1530 | } else { |
| 1531 | // This object doesn't hold its data, so just propagate along its receive channel. |
| 1532 | out.writeStrongBinder(mReceiveChannel); |
| 1533 | } |
| 1534 | } |
| 1535 | |
| 1536 | public static final Parcelable.Creator<AssistStructure> CREATOR |
| 1537 | = new Parcelable.Creator<AssistStructure>() { |
| 1538 | public AssistStructure createFromParcel(Parcel in) { |
| 1539 | return new AssistStructure(in); |
| 1540 | } |
| 1541 | |
| 1542 | public AssistStructure[] newArray(int size) { |
| 1543 | return new AssistStructure[size]; |
| 1544 | } |
| 1545 | }; |
| 1546 | } |