private static boolean startBrowsingIntent(Context context, String url) {
Intent intent;
// Perform generic parsing of the URI to turn it into an Intent.
try {
intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME);
} catch (Exception ex) {
Log.w(TAG, "Bad URI %s", url, ex);
return false;
}
// Check for regular URIs that WebView supports by itself, but also
// check if there is a specialized app that had registered itself
// for this kind of an intent.
Matcher m = BROWSER_URI_SCHEMA.matcher(url);
if (m.matches() && !isSpecializedHandlerAvailable(context, intent)) {
return false;
}
// Sanitize the Intent, ensuring web pages can not bypass browser
// security (only access to BROWSABLE activities).
intent.addCategory(Intent.CATEGORY_BROWSABLE);
intent.setComponent(null);
Intent selector = intent.getSelector();
if (selector != null) {
selector.addCategory(Intent.CATEGORY_BROWSABLE);
selector.setComponent(null);
}
// Pass the package name as application ID so that the intent from the
// same application can be opened in the same tab.
intent.putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName());
try {
context.startActivity(intent);
return true;
} catch (ActivityNotFoundException ex) {
Log.w(TAG, "No application can handle %s", url);
}
return false;
}
private static void tryObtainingDataDirLockOrDie() {
StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
StrictMode.allowThreadDiskWrites();
try {
String dataPath = PathUtils.getDataDirectory(ContextUtils.getApplicationContext());
File lockFile = new File(dataPath, EXCLUSIVE_LOCK_FILE);
boolean success = false;
try {
// Note that the file is not closed intentionally.
RandomAccessFile file = new RandomAccessFile(lockFile, "rw");
sExclusiveFileLock = file.getChannel().tryLock();
success = sExclusiveFileLock != null;
} catch (IOException e) {
Log.w(TAG, "Failed to create lock file " + lockFile, e);
}
if (!success) {
Log.w(
TAG,
"The app may have another WebView opened in a separate process. "
+ "This is not recommended and may stop working in future versions.");
}
} finally {
StrictMode.setThreadPolicy(oldPolicy);
}
}
/** @see BaseInputConnection#setComposingRegion(int, int) */
@Override
public boolean setComposingRegion(int start, int end) {
if (DEBUG) Log.w(TAG, "setComposingRegion [" + start + " " + end + "]");
int textLength = mEditable.length();
int a = Math.min(start, end);
int b = Math.max(start, end);
if (a < 0) a = 0;
if (b < 0) b = 0;
if (a > textLength) a = textLength;
if (b > textLength) b = textLength;
CharSequence regionText = null;
if (a == b) {
removeComposingSpans(mEditable);
} else {
if (a == 0 && b == mEditable.length()) {
regionText = mEditable.subSequence(a, b);
// If setting composing region that matches, at least in length, of the entire
// editable region then check it for image placeholders. If any are found,
// don't continue this operation.
// This fixes the problem where, on Android 4.3, pasting an image is followed
// by setting the composing region which then causes the image to be deleted.
// http://crbug.com/466755
for (int i = a; i < b; ++i) {
if (regionText.charAt(i) == '\uFFFC') return true;
}
}
super.setComposingRegion(a, b);
}
updateSelectionIfRequired();
return mImeAdapter.setComposingRegion(regionText, a, b);
}
/** @see BaseInputConnection#endBatchEdit() */
@Override
public boolean endBatchEdit() {
if (mNumNestedBatchEdits == 0) return false;
--mNumNestedBatchEdits;
if (DEBUG) Log.w(TAG, "endBatchEdit [" + (mNumNestedBatchEdits == 0) + "]");
if (mNumNestedBatchEdits == 0) updateSelectionIfRequired();
return mNumNestedBatchEdits != 0;
}
/** @see BaseInputConnection#setComposingText(java.lang.CharSequence, int) */
@Override
public boolean setComposingText(CharSequence text, int newCursorPosition) {
if (DEBUG) Log.w(TAG, "setComposingText [" + text + "] [" + newCursorPosition + "]");
if (maybePerformEmptyCompositionWorkaround(text)) return true;
mPendingAccent = 0;
super.setComposingText(text, newCursorPosition);
updateSelectionIfRequired();
return mImeAdapter.checkCompositionQueueAndCallNative(text, newCursorPosition, false);
}
/** @see BaseInputConnection#setSelection(int, int) */
@Override
public boolean setSelection(int start, int end) {
if (DEBUG) Log.w(TAG, "setSelection [" + start + " " + end + "]");
int textLength = mEditable.length();
if (start < 0 || end < 0 || start > textLength || end > textLength) return true;
super.setSelection(start, end);
updateSelectionIfRequired();
return mImeAdapter.setEditableSelectionOffsets(start, end);
}
/**
* @see BaseInputConnection#getExtractedText(android.view.inputmethod.ExtractedTextRequest, int)
*/
@Override
public ExtractedText getExtractedText(ExtractedTextRequest request, int flags) {
if (DEBUG) Log.w(TAG, "getExtractedText");
ExtractedText et = new ExtractedText();
et.text = mEditable.toString();
et.partialEndOffset = mEditable.length();
et.selectionStart = Selection.getSelectionStart(mEditable);
et.selectionEnd = Selection.getSelectionEnd(mEditable);
et.flags = mSingleLine ? ExtractedText.FLAG_SINGLE_LINE : 0;
return et;
}
/**
* Updates the AdapterInputConnection's internal representation of the text being edited and its
* selection and composition properties. The resulting Editable is accessible through the
* getEditable() method. If the text has not changed, this also calls updateSelection on the
* InputMethodManager.
*
* @param text The String contents of the field being edited.
* @param selectionStart The character offset of the selection start, or the caret position if
* there is no selection.
* @param selectionEnd The character offset of the selection end, or the caret position if there
* is no selection.
* @param compositionStart The character offset of the composition start, or -1 if there is no
* composition.
* @param compositionEnd The character offset of the composition end, or -1 if there is no
* selection.
* @param isNonImeChange True when the update was caused by non-IME (e.g. Javascript).
*/
@VisibleForTesting
public void updateState(
String text,
int selectionStart,
int selectionEnd,
int compositionStart,
int compositionEnd,
boolean isNonImeChange) {
if (DEBUG) {
Log.w(
TAG,
"updateState ["
+ text
+ "] ["
+ selectionStart
+ " "
+ selectionEnd
+ "] ["
+ compositionStart
+ " "
+ compositionEnd
+ "] ["
+ isNonImeChange
+ "]");
}
// If this update is from the IME, no further state modification is necessary because the
// state should have been updated already by the IM framework directly.
if (!isNonImeChange) return;
// Non-breaking spaces can cause the IME to get confused. Replace with normal spaces.
text = text.replace('\u00A0', ' ');
selectionStart = Math.min(selectionStart, text.length());
selectionEnd = Math.min(selectionEnd, text.length());
compositionStart = Math.min(compositionStart, text.length());
compositionEnd = Math.min(compositionEnd, text.length());
String prevText = mEditable.toString();
boolean textUnchanged = prevText.equals(text);
if (!textUnchanged) {
mEditable.replace(0, mEditable.length(), text);
}
Selection.setSelection(mEditable, selectionStart, selectionEnd);
if (compositionStart == compositionEnd) {
removeComposingSpans(mEditable);
} else {
super.setComposingRegion(compositionStart, compositionEnd);
}
updateSelectionIfRequired();
}
/** @see BaseInputConnection#performContextMenuAction(int) */
@Override
public boolean performContextMenuAction(int id) {
if (DEBUG) Log.w(TAG, "performContextMenuAction [" + id + "]");
switch (id) {
case android.R.id.selectAll:
return mImeAdapter.selectAll();
case android.R.id.cut:
return mImeAdapter.cut();
case android.R.id.copy:
return mImeAdapter.copy();
case android.R.id.paste:
return mImeAdapter.paste();
default:
return false;
}
}
/** @see BaseInputConnection#finishComposingText() */
@Override
public boolean finishComposingText() {
if (DEBUG) Log.w(TAG, "finishComposingText");
mPendingAccent = 0;
if (getComposingSpanStart(mEditable) == getComposingSpanEnd(mEditable)) {
return true;
}
super.finishComposingText();
updateSelectionIfRequired();
mImeAdapter.finishComposingText();
return true;
}
/** @see BaseInputConnection#performEditorAction(int) */
@Override
public boolean performEditorAction(int actionCode) {
if (DEBUG) Log.w(TAG, "performEditorAction [" + actionCode + "]");
if (actionCode == EditorInfo.IME_ACTION_NEXT) {
restartInput();
// Send TAB key event
long timeStampMs = SystemClock.uptimeMillis();
mImeAdapter.sendSyntheticKeyEvent(
WebInputEventType.RawKeyDown, timeStampMs, KeyEvent.KEYCODE_TAB, 0, 0);
} else {
mImeAdapter.sendKeyEventWithKeyCode(
KeyEvent.KEYCODE_ENTER,
KeyEvent.FLAG_SOFT_KEYBOARD
| KeyEvent.FLAG_KEEP_TOUCH_MODE
| KeyEvent.FLAG_EDITOR_ACTION);
}
return true;
}
private void requestPermissionsForPage(PermissionRequest request) {
// Deny any unrecognized permissions.
for (String webkitPermission : request.getResources()) {
if (!sPermissions.containsKey(webkitPermission)) {
Log.w(TAG, "Unrecognized WebKit permission: " + webkitPermission);
request.deny();
return;
}
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
request.grant(request.getResources());
return;
}
// Find what Android permissions we need before we can grant these WebKit permissions.
ArrayList<String> androidPermissionsNeeded = new ArrayList<String>();
for (String webkitPermission : request.getResources()) {
if (!canGrant(webkitPermission)) {
// We already checked for unrecognized permissions, and canGrant will skip over
// NO_ANDROID_PERMISSION cases, so this is guaranteed to be a regular Android
// permission.
String androidPermission = sPermissions.get(webkitPermission);
androidPermissionsNeeded.add(androidPermission);
}
}
// If there are no such Android permissions, grant the WebKit permissions immediately.
if (androidPermissionsNeeded.isEmpty()) {
request.grant(request.getResources());
return;
}
// Otherwise, file a new request
if (mNextRequestKey == Integer.MAX_VALUE) {
Log.e(TAG, "Too many permission requests");
return;
}
int requestCode = mNextRequestKey;
mNextRequestKey++;
mPendingRequests.append(requestCode, request);
requestPermissions(androidPermissionsNeeded.toArray(new String[0]), requestCode);
}
/**
* * Creates a BluetoothAdapterWrapper using the default android.bluetooth.BluetoothAdapter. May
* fail if the default adapter is not available or if the application does not have sufficient
* permissions.
*/
@CalledByNative
public static BluetoothAdapterWrapper createWithDefaultAdapter(Context context) {
final boolean hasPermissions =
context.checkCallingOrSelfPermission(Manifest.permission.BLUETOOTH)
== PackageManager.PERMISSION_GRANTED
&& context.checkCallingOrSelfPermission(Manifest.permission.BLUETOOTH_ADMIN)
== PackageManager.PERMISSION_GRANTED;
if (!hasPermissions) {
Log.w(TAG, "BluetoothAdapterWrapper.create failed: Lacking Bluetooth permissions.");
return null;
}
BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
if (adapter == null) {
Log.i(TAG, "BluetoothAdapterWrapper.create failed: Default adapter not found.");
return null;
} else {
Log.i(TAG, "BluetoothAdapterWrapper created with default adapter.");
return new BluetoothAdapterWrapper(adapter);
}
}
@VisibleForTesting
protected List<String> getLogcat() throws IOException, InterruptedException {
// Grab the last lines of the logcat output, with a generous buffer to compensate for any
// microdumps that might be in the logcat output, since microdumps are stripped in the
// extraction code. Note that the repeated check of the process exit value is to account for
// the fact that the process might not finish immediately. And, it's not appropriate to
// call p.waitFor(), because this call will block *forever* if the process's output buffer
// fills up.
Process p = Runtime.getRuntime().exec("logcat -d");
BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
LinkedList<String> rawLogcat = new LinkedList<>();
Integer exitValue = null;
try {
while (exitValue == null) {
String logLn;
while ((logLn = reader.readLine()) != null) {
rawLogcat.add(logLn);
if (rawLogcat.size() > LOGCAT_SIZE * 4) {
rawLogcat.removeFirst();
}
}
try {
exitValue = p.exitValue();
} catch (IllegalThreadStateException itse) {
Thread.sleep(HALF_SECOND);
}
}
} finally {
reader.close();
}
if (exitValue != 0) {
String msg = "Logcat failed: " + exitValue;
Log.w(TAG, msg);
throw new IOException(msg);
}
return trimLogcat(rawLogcat, LOGCAT_SIZE);
}
private static void copy(File src, File dst) throws IOException {
InputStream in = null;
OutputStream out = null;
try {
in = new FileInputStream(src);
out = new FileOutputStream(dst);
// Transfer bytes from in to out
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
} catch (IOException e) {
Log.w(TAG, e.toString());
} finally {
try {
if (in != null) in.close();
} finally {
if (out != null) out.close();
}
}
}
/**
* Replace Android OS's StrictMode.violationsBeingTimed with a custom ArrayList acting as an
* observer into violation stack traces. Set up an idle handler so StrictMode violations that
* occur on startup are not ignored.
*/
@SuppressWarnings({"unchecked", "rawtypes"})
@UiThread
private static void initializeStrictModeWatch() {
try {
Field violationsBeingTimedField = StrictMode.class.getDeclaredField("violationsBeingTimed");
violationsBeingTimedField.setAccessible(true);
ThreadLocal<ArrayList> violationsBeingTimed =
(ThreadLocal<ArrayList>) violationsBeingTimedField.get(null);
ArrayList replacementList = new SnoopingArrayList();
violationsBeingTimed.set(replacementList);
} catch (Exception e) {
// Terminate watch if any exceptions are raised.
Log.w(TAG, "Could not initialize StrictMode watch.", e);
return;
}
sNumUploads.set(0);
// Delay handling StrictMode violations during initialization until the main loop is idle.
Looper.myQueue()
.addIdleHandler(
new MessageQueue.IdleHandler() {
@Override
public boolean queueIdle() {
// Will retry if the native library has not been initialized.
if (!LibraryLoader.isInitialized()) return true;
// Check again next time if no more cached stack traces to upload, and we have not
// reached the max number of uploads for this session.
if (sCachedStackTraces.isEmpty()) {
// TODO(wnwen): Add UMA count when this happens.
// In case of races, continue checking an extra time (equal condition).
return sNumUploads.get() <= MAX_UPLOADS_PER_SESSION;
}
// Since this is the only place we are removing elements, no need for additional
// synchronization to ensure it is still non-empty.
reportStrictModeViolation(sCachedStackTraces.remove(0));
return true;
}
});
}
@Override
public Boolean call() {
Log.i(TAG, "Trying to extract logcat for minidump");
try {
// Step 1: Extract a single logcat file.
File logcatFile = getElidedLogcat();
// Step 2: Make copies of logcat file for each minidump then invoke
// MinidumpPreparationService on each file pair.
int len = mMinidumpFilenames.length;
CrashFileManager fileManager = new CrashFileManager(mContext.getCacheDir());
for (int i = 0; i < len; i++) {
// Output crash dump file path to logcat so non-browser crashes appear too.
Log.i(TAG, "Output crash dump:");
Log.i(TAG, fileManager.getCrashFile(mMinidumpFilenames[i]).getAbsolutePath());
processMinidump(logcatFile, mMinidumpFilenames[i], fileManager, i == len - 1);
}
return true;
} catch (IOException | InterruptedException e) {
Log.w(TAG, e.toString());
return false;
}
}
private String getPromptText() {
ProfileSyncService pss = ProfileSyncService.get();
String accountName = pss.getCurrentSignedInAccountText() + "\n\n";
PassphraseType passphraseType = pss.getPassphraseType();
if (pss.hasExplicitPassphraseTime()) {
switch (passphraseType) {
case FROZEN_IMPLICIT_PASSPHRASE:
return accountName + pss.getSyncEnterGooglePassphraseBodyWithDateText();
case CUSTOM_PASSPHRASE:
return accountName + pss.getSyncEnterCustomPassphraseBodyWithDateText();
case IMPLICIT_PASSPHRASE: // Falling through intentionally.
case KEYSTORE_PASSPHRASE: // Falling through intentionally.
default:
Log.w(
TAG,
"Found incorrect passphrase type "
+ passphraseType
+ ". Falling back to default string.");
return accountName + pss.getSyncEnterCustomPassphraseBodyText();
}
}
return accountName + pss.getSyncEnterCustomPassphraseBodyText();
}
/**
* Sends selection update to the InputMethodManager unless we are currently in a batch edit or if
* the exact same selection and composition update was sent already.
*/
private void updateSelectionIfRequired() {
if (mNumNestedBatchEdits != 0) return;
int selectionStart = Selection.getSelectionStart(mEditable);
int selectionEnd = Selection.getSelectionEnd(mEditable);
int compositionStart = getComposingSpanStart(mEditable);
int compositionEnd = getComposingSpanEnd(mEditable);
// Avoid sending update if we sent an exact update already previously.
if (mLastUpdateSelectionStart == selectionStart
&& mLastUpdateSelectionEnd == selectionEnd
&& mLastUpdateCompositionStart == compositionStart
&& mLastUpdateCompositionEnd == compositionEnd) {
return;
}
if (DEBUG) {
Log.w(
TAG,
"updateSelectionIfRequired ["
+ selectionStart
+ " "
+ selectionEnd
+ "] ["
+ compositionStart
+ " "
+ compositionEnd
+ "]");
}
// updateSelection should be called every time the selection or composition changes
// if it happens not within a batch edit, or at the end of each top level batch edit.
getInputMethodManagerWrapper()
.updateSelection(
mInternalView, selectionStart, selectionEnd, compositionStart, compositionEnd);
mLastUpdateSelectionStart = selectionStart;
mLastUpdateSelectionEnd = selectionEnd;
mLastUpdateCompositionStart = compositionStart;
mLastUpdateCompositionEnd = compositionEnd;
}
private static void move(File from, File to) {
if (!from.renameTo(to)) {
Log.w(TAG, "Fail to rename logcat file");
}
}
/** @see BaseInputConnection#beginBatchEdit() */
@Override
public boolean beginBatchEdit() {
if (DEBUG) Log.w(TAG, "beginBatchEdit [" + (mNumNestedBatchEdits == 0) + "]");
mNumNestedBatchEdits++;
return true;
}
/** @see BaseInputConnection#sendKeyEvent(android.view.KeyEvent) */
@Override
public boolean sendKeyEvent(KeyEvent event) {
if (DEBUG) {
Log.w(
TAG,
"sendKeyEvent ["
+ event.getAction()
+ "] ["
+ event.getKeyCode()
+ "] ["
+ event.getUnicodeChar()
+ "]");
}
int action = event.getAction();
int keycode = event.getKeyCode();
int unicodeChar = event.getUnicodeChar();
// If this isn't a KeyDown event, no need to update composition state; just pass the key
// event through and return. But note that some keys, such as enter, may actually be
// handled on ACTION_UP in Blink.
if (action != KeyEvent.ACTION_DOWN) {
mImeAdapter.translateAndSendNativeEvents(event);
return true;
}
// If this is backspace/del or if the key has a character representation,
// need to update the underlying Editable (i.e. the local representation of the text
// being edited). Some IMEs like Jellybean stock IME and Samsung IME mix in delete
// KeyPress events instead of calling deleteSurroundingText.
if (keycode == KeyEvent.KEYCODE_DEL) {
deleteSurroundingTextImpl(1, 0, true);
} else if (keycode == KeyEvent.KEYCODE_FORWARD_DEL) {
deleteSurroundingTextImpl(0, 1, true);
} else if (keycode == KeyEvent.KEYCODE_ENTER) {
// Finish text composition when pressing enter, as that may submit a form field.
// TODO(aurimas): remove this workaround when crbug.com/278584 is fixed.
finishComposingText();
} else if ((unicodeChar & KeyCharacterMap.COMBINING_ACCENT) != 0) {
// Store a pending accent character and make it the current composition.
int pendingAccent = unicodeChar & KeyCharacterMap.COMBINING_ACCENT_MASK;
StringBuilder builder = new StringBuilder();
builder.appendCodePoint(pendingAccent);
setComposingText(builder.toString(), 1);
mPendingAccent = pendingAccent;
return true;
} else if (mPendingAccent != 0 && unicodeChar != 0) {
int combined = KeyEvent.getDeadChar(mPendingAccent, unicodeChar);
if (combined != 0) {
StringBuilder builder = new StringBuilder();
builder.appendCodePoint(combined);
commitText(builder.toString(), 1);
return true;
}
// Noncombinable character; commit the accent character and fall through to sending
// the key event for the character afterwards.
finishComposingText();
}
replaceSelectionWithUnicodeChar(unicodeChar);
mImeAdapter.translateAndSendNativeEvents(event);
return true;
}
private boolean deleteSurroundingTextImpl(
int beforeLength, int afterLength, boolean fromPhysicalKey) {
if (DEBUG) {
Log.w(
TAG,
"deleteSurroundingText ["
+ beforeLength
+ " "
+ afterLength
+ " "
+ fromPhysicalKey
+ "]");
}
if (mPendingAccent != 0) {
finishComposingText();
}
int originalBeforeLength = beforeLength;
int originalAfterLength = afterLength;
int selectionStart = Selection.getSelectionStart(mEditable);
int selectionEnd = Selection.getSelectionEnd(mEditable);
int availableBefore = selectionStart;
int availableAfter = mEditable.length() - selectionEnd;
beforeLength = Math.min(beforeLength, availableBefore);
afterLength = Math.min(afterLength, availableAfter);
// Adjust these values even before calling super.deleteSurroundingText() to be consistent
// with the super class.
if (isIndexBetweenUtf16SurrogatePair(mEditable, selectionStart - beforeLength)) {
beforeLength += 1;
}
if (isIndexBetweenUtf16SurrogatePair(mEditable, selectionEnd + afterLength)) {
afterLength += 1;
}
super.deleteSurroundingText(beforeLength, afterLength);
updateSelectionIfRequired();
// If this was called due to a physical key, no need to generate a key event here as
// the caller will take care of forwarding the original.
if (fromPhysicalKey) {
return true;
}
// For single-char deletion calls |ImeAdapter.sendKeyEventWithKeyCode| with the real key
// code. For multi-character deletion, executes deletion by calling
// |ImeAdapter.deleteSurroundingText| and sends synthetic key events with a dummy key code.
int keyCode = KeyEvent.KEYCODE_UNKNOWN;
if (originalBeforeLength == 1 && originalAfterLength == 0) {
keyCode = KeyEvent.KEYCODE_DEL;
} else if (originalBeforeLength == 0 && originalAfterLength == 1) {
keyCode = KeyEvent.KEYCODE_FORWARD_DEL;
}
boolean result = true;
if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
result =
mImeAdapter.sendSyntheticKeyEvent(
WebInputEventType.RawKeyDown, SystemClock.uptimeMillis(), keyCode, 0, 0);
result &= mImeAdapter.deleteSurroundingText(beforeLength, afterLength);
result &=
mImeAdapter.sendSyntheticKeyEvent(
WebInputEventType.KeyUp, SystemClock.uptimeMillis(), keyCode, 0, 0);
} else {
mImeAdapter.sendKeyEventWithKeyCode(
keyCode, KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE);
}
return result;
}
static void logPidWarning(int pid, String message) {
// This class is effectively a no-op in single process mode, so don't log warnings there.
if (pid > 0 && !nativeIsSingleProcess()) {
Log.w(TAG, message + ", pid=" + pid);
}
}
/**
* Informs the InputMethodManager and InputMethodSession (i.e. the IME) that the text state is no
* longer what the IME has and that it needs to be updated.
*/
void restartInput() {
if (DEBUG) Log.w(TAG, "restartInput");
getInputMethodManagerWrapper().restartInput(mInternalView);
mNumNestedBatchEdits = 0;
mPendingAccent = 0;
}
