am be62a5db: am 96ac73c3: am 6e3de6a1: Merge "Added TEXT_CHANGED event to... (9337e595) · Commits · e / os / android_frameworks_base

packages/Keyguard/src/com/android/keyguard/PasswordTextView.java

+76 −0

Original line number	Diff line number	Diff line
		@@ -28,9 +28,15 @@ import android.graphics.Rect;
		import android.graphics.Typeface;
		import android.os.PowerManager;
		import android.os.SystemClock;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.text.InputType;
		import android.text.TextUtils;
		import android.util.AttributeSet;
		import android.view.View;
		import android.view.accessibility.AccessibilityEvent;
		import android.view.accessibility.AccessibilityManager;
		import android.view.accessibility.AccessibilityNodeInfo;
		import android.view.animation.AnimationUtils;
		import android.view.animation.Interpolator;

		@@ -176,6 +182,7 @@ public class PasswordTextView extends View {

		public void append(char c) {
		int visibleChars = mTextChars.size();
		String textbefore = mText;
		mText = mText + c;
		int newLength = mText.length();
		CharState charState;
		@@ -196,6 +203,7 @@ public class PasswordTextView extends View {
		}
		}
		userActivity();
		sendAccessibilityEventTypeViewTextChanged(textbefore, textbefore.length(), 0, 1);
		}

		private void userActivity() {
		@@ -204,12 +212,14 @@ public class PasswordTextView extends View {

		public void deleteLastChar() {
		int length = mText.length();
		String textbefore = mText;
		if (length > 0) {
		mText = mText.substring(0, length - 1);
		CharState charState = mTextChars.get(length - 1);
		charState.startRemoveAnimation(0, 0);
		}
		userActivity();
		sendAccessibilityEventTypeViewTextChanged(textbefore, textbefore.length() - 1, 1, 0);
		}

		public String getText() {
		@@ -229,6 +239,7 @@ public class PasswordTextView extends View {
		}

		public void reset(boolean animated) {
		String textbefore = mText;
		mText = "";
		int length = mTextChars.size();
		int middleIndex = (length - 1) / 2;
		@@ -256,6 +267,71 @@ public class PasswordTextView extends View {
		if (!animated) {
		mTextChars.clear();
		}
		sendAccessibilityEventTypeViewTextChanged(textbefore, 0, textbefore.length(), 0);
		}

		void sendAccessibilityEventTypeViewTextChanged(String beforeText, int fromIndex,
		int removedCount, int addedCount) {
		if (AccessibilityManager.getInstance(mContext).isEnabled() &&
		(isFocused() \|\| isSelected() && isShown())) {
		if (!shouldSpeakPasswordsForAccessibility()) {
		beforeText = null;
		}
		AccessibilityEvent event =
		AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED);
		event.setFromIndex(fromIndex);
		event.setRemovedCount(removedCount);
		event.setAddedCount(addedCount);
		event.setBeforeText(beforeText);
		event.setPassword(true);
		sendAccessibilityEventUnchecked(event);
		}
		}

		@Override
		public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
		super.onInitializeAccessibilityEvent(event);

		event.setClassName(PasswordTextView.class.getName());
		event.setPassword(true);
		}

		@Override
		public void onPopulateAccessibilityEvent(AccessibilityEvent event) {
		super.onPopulateAccessibilityEvent(event);

		if (shouldSpeakPasswordsForAccessibility()) {
		final CharSequence text = mText;
		if (!TextUtils.isEmpty(text)) {
		event.getText().add(text);
		}
		}
		}

		@Override
		public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
		super.onInitializeAccessibilityNodeInfo(info);

		info.setClassName(PasswordTextView.class.getName());
		info.setPassword(true);

		if (shouldSpeakPasswordsForAccessibility()) {
		info.setText(mText);
		}

		info.setEditable(true);

		info.setInputType(InputType.TYPE_NUMBER_VARIATION_PASSWORD);
		}

		/**
		* @return true if the user has explicitly allowed accessibility services
		* to speak passwords.
		*/
		private boolean shouldSpeakPasswordsForAccessibility() {
		return (Settings.Secure.getIntForUser(mContext.getContentResolver(),
		Settings.Secure.ACCESSIBILITY_SPEAK_PASSWORD, 0,
		UserHandle.USER_CURRENT_OR_SELF) == 1);
		}

		private class CharState {