[framework] Add more oem extension APIs

Bug: 338255533
Test: atest CtsNfcTestCases
Change-Id: I1a63f1cff59fc099f07f318d7e520429463c36bc
diff --git a/nfc/api/system-current.txt b/nfc/api/system-current.txt
index d17a9b6..94231b0 100644
--- a/nfc/api/system-current.txt
+++ b/nfc/api/system-current.txt
@@ -58,10 +58,15 @@
   @FlaggedApi("android.nfc.nfc_oem_extension") public final class NfcOemExtension {
     method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void clearPreference();
     method @FlaggedApi("android.nfc.nfc_oem_extension") @NonNull public java.util.List<java.lang.String> getActiveNfceeList();
+    method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean hasUserEnabledNfc();
+    method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean isTagPresent();
     method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void maybeTriggerFirmwareUpdate();
+    method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void pausePolling(int);
     method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void registerCallback(@NonNull java.util.concurrent.Executor, @NonNull android.nfc.NfcOemExtension.Callback);
+    method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void resumePolling();
     method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public void setControllerAlwaysOnMode(int);
     method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void synchronizeScreenState();
+    method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void triggerInitialization();
     method @FlaggedApi("android.nfc.nfc_oem_extension") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void unregisterCallback(@NonNull android.nfc.NfcOemExtension.Callback);
     field @FlaggedApi("android.nfc.nfc_oem_extension") public static final int DISABLE = 0; // 0x0
     field @FlaggedApi("android.nfc.nfc_oem_extension") public static final int ENABLE_DEFAULT = 1; // 0x1
diff --git a/nfc/java/android/nfc/INfcAdapter.aidl b/nfc/java/android/nfc/INfcAdapter.aidl
index 246efc7..a166b28 100644
--- a/nfc/java/android/nfc/INfcAdapter.aidl
+++ b/nfc/java/android/nfc/INfcAdapter.aidl
@@ -114,4 +114,7 @@
     void setScreenState();
     void checkFirmware();
     List<String> fetchActiveNfceeList();
+    void triggerInitialization();
+    boolean getSettingStatus();
+    boolean isTagPresent();
 }
diff --git a/nfc/java/android/nfc/NfcOemExtension.java b/nfc/java/android/nfc/NfcOemExtension.java
index 011c60b..6d5c069 100644
--- a/nfc/java/android/nfc/NfcOemExtension.java
+++ b/nfc/java/android/nfc/NfcOemExtension.java
@@ -471,6 +471,58 @@
         NfcAdapter.callService(() -> NfcAdapter.sService.setControllerAlwaysOn(mode));
     }
 
+    /**
+     * Triggers NFC initialization. If OEM extension is registered
+     * (indicated via `enable_oem_extension` NFC overlay), the NFC stack initialization at bootup
+     * is delayed until the OEM extension app triggers the initialization via this call.
+     */
+    @FlaggedApi(Flags.FLAG_NFC_OEM_EXTENSION)
+    @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS)
+    public void triggerInitialization() {
+        NfcAdapter.callService(() -> NfcAdapter.sService.triggerInitialization());
+    }
+
+    /**
+     * Gets the last user toggle status.
+     * @return true if NFC is set to ON, false otherwise
+     */
+    @FlaggedApi(Flags.FLAG_NFC_OEM_EXTENSION)
+    @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS)
+    public boolean hasUserEnabledNfc() {
+        return NfcAdapter.callServiceReturn(() -> NfcAdapter.sService.getSettingStatus(), false);
+    }
+
+    /**
+     * Checks if the tag is present or not.
+     * @return true if the tag is present, false otherwise
+     */
+    @FlaggedApi(Flags.FLAG_NFC_OEM_EXTENSION)
+    @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS)
+    public boolean isTagPresent() {
+        return NfcAdapter.callServiceReturn(() -> NfcAdapter.sService.isTagPresent(), false);
+    }
+
+    /**
+     * Pauses NFC tag reader mode polling for a {@code timeoutInMs} millisecond. If polling must be
+     * resumed before timeout, use {@link #resumePolling()}.
+     * @param timeoutInMs the pause polling duration in millisecond
+     */
+    @FlaggedApi(Flags.FLAG_NFC_OEM_EXTENSION)
+    @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS)
+    public void pausePolling(int timeoutInMs) {
+        NfcAdapter.callService(() -> NfcAdapter.sService.pausePolling(timeoutInMs));
+    }
+
+    /**
+     * Resumes default NFC tag reader mode polling for the current device state if polling is
+     * paused. Calling this while polling is not paused is a no-op.
+     */
+    @FlaggedApi(Flags.FLAG_NFC_OEM_EXTENSION)
+    @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS)
+    public void resumePolling() {
+        NfcAdapter.callService(() -> NfcAdapter.sService.resumePolling());
+    }
+
     private final class NfcOemExtensionCallback extends INfcOemExtensionCallback.Stub {
 
         @Override