msm8976-common: lineagehw: Update ReadingEnhancement for new API
Change-Id: I8afaa7dfebfe765ef3d670f544344b7dea732ac2
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@ -27,12 +27,36 @@ public class ReadingEnhancement {
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private static final String ACCESSIBILITY_FILE =
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private static final String ACCESSIBILITY_FILE =
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"/sys/devices/virtual/mdnie/mdnie/accessibility";
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"/sys/devices/virtual/mdnie/mdnie/accessibility";
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/**
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* Whether device supports Reader Mode
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*
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* @return boolean Supported devices must return always true
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*/
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public static boolean isSupported() {
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public static boolean isSupported() {
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return FileUtils.isFileWritable(ACCESSIBILITY_FILE);
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return FileUtils.isFileWritable(ACCESSIBILITY_FILE) &&
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FileUtils.isFileReadable(ACCESSIBILITY_FILE);
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}
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}
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public static boolean setGrayscale(boolean state) {
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/**
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return FileUtils.writeLine(ACCESSIBILITY_FILE, state ? "4" : "0");
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* This method return the current activation status of Reader Mode
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*
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* @return boolean Must be false when Reader Mode is not supported or not activated,
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* or the operation failed while reading the status; true in any other case.
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*/
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public static boolean isEnabled() {
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return FileUtils.readOneLine(ACCESSIBILITY_FILE).equals(
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"Current accessibility : DSI0 : GRAYSCALE ");
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}
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/**
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* This method allows to setup Reader Mode
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*
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* @param status The new Reader Mode status
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* @return boolean Must be false if Reader Mode is not supported or the operation
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* failed; true in any other case.
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*/
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public static boolean setEnabled(boolean status) {
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return FileUtils.writeLine(ACCESSIBILITY_FILE, status ? "4" : "0");
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}
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}
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}
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}
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