OOS: Dialer: reworked call recording enabler

- should survive firmware updates
- enables call recorder specific Phone settings (auto call recording,
etc.)

Author: C3C0

src/com/ceco/oreo/gravitybox/GravityBox.java

@@ -252,9 +252,13 @@ public void handleLoadPackage(LoadPackageParam lpparam) throws Throwable {
             ModTelecom.init(prefs, lpparam.classLoader);
         }
 
-        if (Utils.isOxygenOsRom() &&
-                lpparam.packageName.equals((ModDialerOOS.PACKAGE_NAME_IN_CALL_UI))) {
-            ModDialerOOS.initInCallUi(prefs, lpparam.classLoader);
+        if (Utils.isOxygenOsRom()) {
+            if (lpparam.packageName.equals((ModDialerOOS.PACKAGE_NAME_DIALER))) {
+                ModDialerOOS.initDialer(prefs, lpparam.classLoader);
+            }
+            if (lpparam.packageName.equals(ModDialerOOS.PACKAGE_NAME_IN_CALL_UI)) {
+                ModDialerOOS.initInCallUi(prefs, lpparam.classLoader);
+            }
         }
     }
 }

src/com/ceco/oreo/gravitybox/ModDialerOOS.java

@@ -15,38 +15,23 @@
 
 package com.ceco.oreo.gravitybox;
 
-import java.lang.reflect.Method;
-
 import android.content.Context;
+import android.os.Bundle;
 import android.os.SystemClock;
+import android.provider.Settings;
 import de.robv.android.xposed.XC_MethodHook;
 import de.robv.android.xposed.XSharedPreferences;
 import de.robv.android.xposed.XposedBridge;
 import de.robv.android.xposed.XposedHelpers;
 
 public class ModDialerOOS {
     public static final String PACKAGE_NAME_IN_CALL_UI = "com.android.incallui";
+    public static final String PACKAGE_NAME_DIALER = "com.android.dialer";
+    public static final String CLASS_DIALER_SETTINGS_ACTIVITY = "com.oneplus.dialer.settings.OPDialerSettingsActivity";
+    public static final String CLASS_IN_CALL_ACTIVITY = "com.android.incallui.InCallActivity";
     private static final String TAG = "GB:ModDialerOOS";
     private static final boolean DEBUG = false;
 
-    private static class CallRecordingInfo {
-       String className;
-       String methodName;
-       CallRecordingInfo(String cn, String mn) {
-           className = cn;
-           methodName = mn;
-       }
-    }
-
-    private static final CallRecordingInfo[] CALL_RECORDING_INFO = new CallRecordingInfo[] {
-            new CallRecordingInfo("com.android.incallui.oneplus.f", "Td"), /* OP3T Beta 29 */
-            new CallRecordingInfo("com.android.incallui.oneplus.a", "bz"), /* OP5 Beta 11 */
-            new CallRecordingInfo("com.android.incallui.oneplus.r", "Om"), /* OP3T Beta 28 */
-            new CallRecordingInfo("com.android.incallui.oneplus.f", "SI"), /* OP5T Beta 8 */
-            new CallRecordingInfo("com.android.incallui.oneplus.s", "AN"), /* OP3T Beta 27 */
-            new CallRecordingInfo("com.android.incallui.oneplus.OPPhoneUtils", "isSupportCallRecorder") /* OOS 5.0.2 */
-    };
-
     private static void log(String message) {
         XposedBridge.log(TAG + ": " + message);
     }
@@ -58,41 +43,47 @@ public static void initInCallUi(final XSharedPreferences prefs, final ClassLoade
         if (DEBUG) log("initInCallUi");
         mPrefs = prefs;
 
-        Method method = null;
-        for (CallRecordingInfo crInfo : CALL_RECORDING_INFO) {
-            Class<?> clazz = XposedHelpers.findClassIfExists(crInfo.className, classLoader);
-            if (clazz != null) {
-                method = XposedHelpers.findMethodExactIfExists(
-                            clazz, crInfo.methodName, Context.class);
-                if (method != null) {
-                    XposedBridge.hookMethod(method, supportsCallRecordingHook);
-                    if (DEBUG) log("isSupportCallRecorder found in " + crInfo.className + " as " + crInfo.methodName);
-                    break;
+        XposedHelpers.findAndHookMethod(CLASS_IN_CALL_ACTIVITY, classLoader,
+                "onCreate", Bundle.class, new XC_MethodHook() {
+            @Override
+            protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
+                reloadPrefsIfExpired();
+                if (mPrefs.getBoolean(GravityBoxSettings.PREF_KEY_OOS_CALL_RECORDING, false)) {
+                    enableCallRecording((Context)param.thisObject);
                 }
             }
-        }
-
-        if (method == null) {
-            GravityBox.log(TAG, "Unable to identify isSupportCallRecorder method");
-        }
+        });
     }
 
-    private static XC_MethodHook supportsCallRecordingHook = new XC_MethodHook() {
-        @Override
-        protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
-            reloadPrefsIfExpired();
-            if (mPrefs.getBoolean(GravityBoxSettings.PREF_KEY_OOS_CALL_RECORDING, false)) {
-                param.setResult(true);
-                if (DEBUG) log("isSupportCallRecorder: forced to return true");
+    public static void initDialer(final XSharedPreferences prefs, final ClassLoader classLoader) {
+        if (DEBUG) log("initDialer");
+        mPrefs = prefs;
+
+        XposedHelpers.findAndHookMethod(CLASS_DIALER_SETTINGS_ACTIVITY, classLoader,
+                "onCreate", Bundle.class, new XC_MethodHook() {
+            @Override
+            protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
+                reloadPrefsIfExpired();
+                if (mPrefs.getBoolean(GravityBoxSettings.PREF_KEY_OOS_CALL_RECORDING, false)) {
+                    enableCallRecording((Context)param.thisObject);
+                }
             }
-        }
-    };
+        });
+    }
 
     private static void reloadPrefsIfExpired() {
-        if (SystemClock.uptimeMillis() - mLastPrefReloadMs > 10000) {
+        if (mPrefs != null && SystemClock.uptimeMillis() - mLastPrefReloadMs > 10000) {
             mLastPrefReloadMs = SystemClock.uptimeMillis();
             mPrefs.reload();
             if (DEBUG) log("Expired prefs reloaded");
         }
     }
+
+    private static void enableCallRecording(Context ctx) {
+        if (ctx != null) {
+            Settings.Global.putInt(ctx.getContentResolver(),
+                    "op_voice_recording_supported_by_mcc", 1);
+            if (DEBUG) log(ctx.getPackageName() + ": forcing op_voice_recording_supported_by_mcc");
+        }
+    }
 }