/
ScopedPermissionsRequester.java
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/
ScopedPermissionsRequester.java
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package host.exp.exponent.utils;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.os.Build;
import com.facebook.react.modules.core.PermissionListener;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import host.exp.exponent.di.NativeModuleDepsProvider;
import host.exp.exponent.experience.ReactNativeActivity;
import host.exp.exponent.kernel.ExperienceId;
import host.exp.exponent.kernel.services.ExpoKernelServiceRegistry;
import host.exp.expoview.Exponent;
import host.exp.expoview.R;
public class ScopedPermissionsRequester {
@Inject
ExpoKernelServiceRegistry mExpoKernelServiceRegistry;
public static final int EXPONENT_PERMISSIONS_REQUEST = 13;
private PermissionListener mPermissionListener;
private ExperienceId mExperienceId;
private String mExperienceName;
private Map<String, Integer> mPermissionsResult = new HashMap<>();
private List<String> mPermissionsToRequestPerExperience = new ArrayList<>();
private List<String> mPermissionsToRequestGlobally = new ArrayList<>();
private int mPermissionsAskedCount = 0;
public ScopedPermissionsRequester(ExperienceId experienceId) {
NativeModuleDepsProvider.getInstance().inject(ScopedPermissionsRequester.class, this);
mExperienceId = experienceId;
}
public void requestPermissions(ReactNativeActivity currentActivity, final String experienceName, final String[] permissions, final PermissionListener listener) {
mPermissionListener = listener;
mExperienceName = experienceName;
mPermissionsResult = new HashMap<>();
for (String permission : permissions) {
int globalStatus = currentActivity.checkSelfPermission(permission);
if (globalStatus == PackageManager.PERMISSION_DENIED) {
mPermissionsToRequestGlobally.add(permission);
} else if (mExperienceId != null &&
!mExpoKernelServiceRegistry.getPermissionsKernelService().hasGrantedPermissions(permission, mExperienceId)) {
mPermissionsToRequestPerExperience.add(permission);
} else {
mPermissionsResult.put(permission, PackageManager.PERMISSION_GRANTED);
}
}
if (mPermissionsToRequestPerExperience.isEmpty() && mPermissionsToRequestGlobally.isEmpty()) {
callPermissionsListener();
return;
}
mPermissionsAskedCount = mPermissionsToRequestPerExperience.size();
if (!mPermissionsToRequestPerExperience.isEmpty()) {
requestExperienceAndGlobalPermissions(mPermissionsToRequestPerExperience.get(mPermissionsAskedCount - 1));
} else if (!mPermissionsToRequestGlobally.isEmpty()) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
currentActivity.requestPermissions(mPermissionsToRequestGlobally.toArray(new String[0]),
EXPONENT_PERMISSIONS_REQUEST);
} else {
int[] result = new int[mPermissionsToRequestGlobally.size()];
Arrays.fill(result, PackageManager.PERMISSION_DENIED);
onRequestPermissionsResult(mPermissionsToRequestGlobally.toArray(new String[0]), result);
}
}
}
public void onRequestPermissionsResult(final String[] permissions, final int[] grantResults) {
if (mPermissionListener == null) {
// sometimes onRequestPermissionsResult is called multiple times if the first permission
// is rejected...
return;
}
if (grantResults.length > 0) {
for (int i = 0; i < grantResults.length; i++) {
if (grantResults[i] == PackageManager.PERMISSION_GRANTED && mExperienceId != null) {
mExpoKernelServiceRegistry.getPermissionsKernelService().grantScopedPermissions(permissions[i], mExperienceId);
}
mPermissionsResult.put(permissions[i], grantResults[i]);
}
}
callPermissionsListener();
}
private void callPermissionsListener() {
String[] permissions = mPermissionsResult.keySet().toArray(new String[0]);
int[] result = new int[permissions.length];
for (int i = 0; i < permissions.length; i++) {
result[i] = mPermissionsResult.get(permissions[i]);
}
mPermissionListener.onRequestPermissionsResult(EXPONENT_PERMISSIONS_REQUEST, permissions, result);
}
private void requestExperienceAndGlobalPermissions(String permission) {
Activity activity = Exponent.getInstance().getCurrentActivity();
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
ScopedPermissionsRequester.PermissionsDialogOnClickListener onClickListener = new ScopedPermissionsRequester.PermissionsDialogOnClickListener(permission);
builder.setMessage(activity.getString(
R.string.experience_needs_permissions,
mExperienceName,
activity.getString(permissionToResId(permission))))
.setPositiveButton(R.string.allow_experience_permissions, onClickListener)
.setNegativeButton(R.string.deny_experience_permissions, onClickListener).show();
}
private int permissionToResId(String permission) {
switch (permission) {
case android.Manifest.permission.CAMERA:
return R.string.perm_camera;
case android.Manifest.permission.READ_CONTACTS:
return R.string.perm_contacts_read;
case android.Manifest.permission.WRITE_CONTACTS:
return R.string.perm_contacts_write;
case android.Manifest.permission.READ_EXTERNAL_STORAGE:
return R.string.perm_camera_roll_read;
case android.Manifest.permission.WRITE_EXTERNAL_STORAGE:
return R.string.perm_camera_roll_write;
case android.Manifest.permission.RECORD_AUDIO:
return R.string.perm_audio_recording;
case android.provider.Settings.ACTION_MANAGE_WRITE_SETTINGS:
return R.string.perm_system_brightness;
case android.Manifest.permission.READ_CALENDAR:
return R.string.perm_calendar_read;
case android.Manifest.permission.WRITE_CALENDAR:
return R.string.perm_calendar_write;
case android.Manifest.permission.ACCESS_FINE_LOCATION:
return R.string.perm_fine_location;
case android.Manifest.permission.ACCESS_COARSE_LOCATION:
return R.string.perm_coarse_location;
default:
return -1;
}
}
private class PermissionsDialogOnClickListener implements DialogInterface.OnClickListener {
private String mPermission;
PermissionsDialogOnClickListener(String permission) {
mPermission = permission;
}
@Override
public void onClick(DialogInterface dialog, int which) {
mPermissionsAskedCount -= 1;
switch (which) {
case DialogInterface.BUTTON_POSITIVE:
mExpoKernelServiceRegistry.getPermissionsKernelService().grantScopedPermissions(mPermission, mExperienceId);
mPermissionsResult.put(mPermission, PackageManager.PERMISSION_GRANTED);
break;
case DialogInterface.BUTTON_NEGATIVE:
mExpoKernelServiceRegistry.getPermissionsKernelService().revokeScopedPermissions(mPermission, mExperienceId);
mPermissionsResult.put(mPermission, PackageManager.PERMISSION_DENIED);
break;
}
if (mPermissionsAskedCount > 0) {
requestExperienceAndGlobalPermissions(mPermissionsToRequestPerExperience.get(mPermissionsAskedCount - 1));
} else if (!mPermissionsToRequestGlobally.isEmpty() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
Exponent.getInstance().getCurrentActivity()
.requestPermissions(mPermissionsToRequestGlobally.toArray(new String[0]),
EXPONENT_PERMISSIONS_REQUEST);
} else {
callPermissionsListener();
}
}
}
}