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author | Eric Kuck <eric@bluelinelabs.com> | 2018-07-08 15:42:48 -0500 |
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committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-07-09 17:08:41 +0200 |
commit | d7ea078cdf323946cea8bfcf8762f6a5a81f455c (patch) | |
tree | 290b1a2963dd92493f935c307664490e1021cd3a /app/src/main/java/com/wireguard/android/fragment/BaseFragment.java | |
parent | Use instanceOf instead of getClass (diff) | |
download | wireguard-android-d7ea078cdf323946cea8bfcf8762f6a5a81f455c.tar.xz wireguard-android-d7ea078cdf323946cea8bfcf8762f6a5a81f455c.zip |
Request VPN permissions on activation
Signed-off-by: Eric Kuck <eric@bluelinelabs.com>
Diffstat (limited to 'app/src/main/java/com/wireguard/android/fragment/BaseFragment.java')
-rw-r--r-- | app/src/main/java/com/wireguard/android/fragment/BaseFragment.java | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/app/src/main/java/com/wireguard/android/fragment/BaseFragment.java b/app/src/main/java/com/wireguard/android/fragment/BaseFragment.java index e476a7f2..510b1cae 100644 --- a/app/src/main/java/com/wireguard/android/fragment/BaseFragment.java +++ b/app/src/main/java/com/wireguard/android/fragment/BaseFragment.java @@ -7,11 +7,25 @@ package com.wireguard.android.fragment; import android.content.Context; +import android.content.Intent; +import android.databinding.DataBindingUtil; +import android.databinding.ViewDataBinding; +import android.support.annotation.NonNull; +import android.support.design.widget.Snackbar; import android.support.v4.app.Fragment; +import android.util.Log; +import android.view.View; +import com.wireguard.android.Application; +import com.wireguard.android.R; import com.wireguard.android.activity.BaseActivity; import com.wireguard.android.activity.BaseActivity.OnSelectedTunnelChangedListener; +import com.wireguard.android.backend.GoBackend; +import com.wireguard.android.databinding.TunnelDetailFragmentBinding; +import com.wireguard.android.databinding.TunnelListItemBinding; import com.wireguard.android.model.Tunnel; +import com.wireguard.android.model.Tunnel.State; +import com.wireguard.android.util.ExceptionLoggers; /** * Base class for fragments that need to know the currently-selected tunnel. Only does anything when @@ -19,7 +33,12 @@ import com.wireguard.android.model.Tunnel; */ public abstract class BaseFragment extends Fragment implements OnSelectedTunnelChangedListener { + private static final String TAG = "WireGuard/" + BaseFragment.class.getSimpleName(); + private static final int REQUEST_CODE_VPN_PERMISSION = 23491; + private BaseActivity activity; + private Tunnel pendingTunnel; + private Boolean pendingTunnelUp; protected Tunnel getSelectedTunnel() { return activity != null ? activity.getSelectedTunnel() : null; @@ -44,8 +63,64 @@ public abstract class BaseFragment extends Fragment implements OnSelectedTunnelC super.onDetach(); } + @Override + public void onActivityResult(int requestCode, int resultCode, Intent data) { + super.onActivityResult(requestCode, resultCode, data); + + if (requestCode == REQUEST_CODE_VPN_PERMISSION) { + if (pendingTunnel != null && pendingTunnelUp != null) + setTunnelStateWithPermissionsResult(pendingTunnel, pendingTunnelUp); + pendingTunnel = null; + pendingTunnelUp = null; + } + } + protected void setSelectedTunnel(final Tunnel tunnel) { if (activity != null) activity.setSelectedTunnel(tunnel); } + + public void setTunnelState(final View view, final boolean checked) { + final ViewDataBinding binding = DataBindingUtil.findBinding(view); + final Tunnel tunnel; + if (binding instanceof TunnelDetailFragmentBinding) + tunnel = ((TunnelDetailFragmentBinding) binding).getTunnel(); + else if (binding instanceof TunnelListItemBinding) + tunnel = ((TunnelListItemBinding) binding).getItem(); + else + return; + + Application.onHaveBackend(backend -> { + if (backend instanceof GoBackend) { + final Intent intent = GoBackend.VpnService.prepare(view.getContext()); + if (intent != null) { + pendingTunnel = tunnel; + pendingTunnelUp = checked; + startActivityForResult(intent, REQUEST_CODE_VPN_PERMISSION); + return; + } + } + + setTunnelStateWithPermissionsResult(tunnel, checked); + }); + } + + private void setTunnelStateWithPermissionsResult(@NonNull final Tunnel tunnel, final boolean checked) { + tunnel.setState(State.of(checked)).whenComplete((state, throwable) -> { + if (throwable == null) + return; + final View view = getView(); + if (view == null) { + Log.e(TAG, "setTunnelStateWithPermissionsResult() with no view"); + return; + } + final Context context = view.getContext(); + final String error = ExceptionLoggers.unwrapMessage(throwable); + final int messageResId = checked ? R.string.error_up : R.string.error_down; + final String message = context.getString(messageResId, error); + Snackbar.make(view, message, Snackbar.LENGTH_LONG).show(); + Log.e(TAG, message, throwable); + }); + } + } |