Merge branch 'dev_qrcode' into feature/qrcode_integration

# Conflicts:
#	app/src/main/AndroidManifest.xml
#	app/src/main/java/org/linphone/assistant/AssistantFragmentsEnum.java
#	res/layout/video.xml
#	src/android/org/linphone/LinphoneManager.java
#	src/android/org/linphone/assistant/AssistantActivity.java
#	src/android/org/linphone/assistant/RemoteProvisioningActivity.java
#	src/android/org/linphone/assistant/RemoteProvisioningFragment.java
#	src/android/org/linphone/assistant/WelcomeFragment.java
#	submodules/bcmatroska2
#	submodules/belcard
#	submodules/cmake-builder
#	submodules/externals/openh264
#	submodules/externals/zxing-cpp
#	submodules/linphone
#	submodules/mediastreamer2
#	submodules/oRTP

app/src/main/AndroidManifest.xml

@@ -47,6 +47,7 @@
     <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
+    <uses-feature android:name="android.hardware.camera.autofocus" />
     <supports-screens
         android:anyDensity="true"
         android:largeScreens="true"

app/src/main/java/org/linphone/LinphoneManager.java

@@ -1450,6 +1450,9 @@ public class LinphoneManager implements CoreListener, SensorEventListener, Accou
     @Override
     public void onChatRoomStateChanged(Core lc, ChatRoom cr, ChatRoom.State state) {}
 
+    @Override
+    public void onQrcodeFound(Core lc, String result) {}
+
     public void onCallEncryptionChanged(
             Core lc, Call call, boolean encrypted, String authenticationToken) {}
 
@@ -2017,8 +2020,6 @@ public class LinphoneManager implements CoreListener, SensorEventListener, Accou
         }
     }
 
-    public void onQrcodeFound(Core lc, String something) {}
-
     public interface AddressType {
         CharSequence getText();
 

app/src/main/java/org/linphone/assistant/AssistantActivity.java

@@ -33,6 +33,7 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
+import android.content.res.Configuration;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
@@ -85,6 +86,8 @@ public class AssistantActivity extends Activity
                 ActivityCompat.OnRequestPermissionsResultCallback,
                 AccountCreatorListener {
     private static final int PERMISSIONS_REQUEST_RECORD_AUDIO = 201;
+    private static final int PERMISSIONS_REQUEST_CAMERA = 202;
+    private static final int PERMISSIONS_ENABLED_CAMERA = 203;
     private static AssistantActivity instance;
     public DialPlan country;
     public String phone_number;
@@ -334,6 +337,8 @@ public class AssistantActivity extends Activity
             } else {
                 displayCreateAccount();
             }
+        } else if (currentFragment == AssistantFragmentsEnum.QRCODE_READER) {
+            displayRemoteProvisioning("");
         }
     }
 
@@ -347,7 +352,12 @@ public class AssistantActivity extends Activity
     }
 
     public void checkAndRequestAudioPermission() {
-        checkAndRequestPermission(Manifest.permission.RECORD_AUDIO, 0);
+        checkAndRequestPermission(
+                Manifest.permission.RECORD_AUDIO, PERMISSIONS_REQUEST_RECORD_AUDIO);
+    }
+
+    public void checkAndRequestVideoPermission() {
+        checkAndRequestPermission(Manifest.permission.CAMERA, PERMISSIONS_REQUEST_CAMERA);
     }
 
     public void checkAndRequestPermission(String permission, int result) {
@@ -371,7 +381,7 @@ public class AssistantActivity extends Activity
 
     @Override
     public void onRequestPermissionsResult(
-            int requestCode, String[] permissions, int[] grantResults) {
+            int requestCode, String[] permissions, final int[] grantResults) {
         for (int i = 0; i < permissions.length; i++) {
             Log.i(
                     "[Permission] "
@@ -382,12 +392,25 @@ public class AssistantActivity extends Activity
                                     : "denied"));
         }
 
-        if (requestCode == PERMISSIONS_REQUEST_RECORD_AUDIO) {
+        switch (requestCode) {
-            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+            case PERMISSIONS_REQUEST_CAMERA:
-                launchEchoCancellerCalibration(true);
+                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-            } else {
+                    displayQRCodeReader();
-                isEchoCalibrationFinished();
+                }
-            }
+                break;
+            case PERMISSIONS_REQUEST_RECORD_AUDIO:
+                LinphoneUtils.dispatchOnUIThread(
+                        new Runnable() {
+                            @Override
+                            public void run() {
+                                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                                    launchEchoCancellerCalibration(true);
+                                } else {
+                                    isEchoCalibrationFinished();
+                                }
+                            }
+                        });
+                break;
         }
     }
 
@@ -543,13 +566,28 @@ public class AssistantActivity extends Activity
         back.setVisibility(View.VISIBLE);
     }
 
-    public void displayRemoteProvisioning() {
+    public void displayRemoteProvisioning(String url) {
         fragment = new RemoteProvisioningFragment();
+        Bundle extra = new Bundle();
+        extra.putString("RemoteUrl", url);
+        fragment.setArguments(extra);
         changeFragment(fragment);
         currentFragment = AssistantFragmentsEnum.REMOTE_PROVISIONING;
         back.setVisibility(View.VISIBLE);
     }
 
+    public void displayQRCodeReader() {
+        if (getPackageManager().checkPermission(Manifest.permission.CAMERA, getPackageName())
+                != PackageManager.PERMISSION_GRANTED) {
+            checkAndRequestVideoPermission();
+        } else {
+            fragment = new QrcodeFragment();
+            changeFragment(fragment);
+            currentFragment = AssistantFragmentsEnum.QRCODE_READER;
+            back.setVisibility(View.VISIBLE);
+        }
+    }
+
     public void displayCountryChooser() {
         fragment = new CountryListFragment();
         changeFragment(fragment);
@@ -849,6 +887,14 @@ public class AssistantActivity extends Activity
         return countryListAdapter;
     }
 
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        if (currentFragment == AssistantFragmentsEnum.QRCODE_READER) {
+            this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+        }
+    }
+
     /**
      * This class reads a JSON file containing Country-specific phone number description, and allows
      * to present them into a ListView

app/src/main/java/org/linphone/assistant/AssistantFragmentsEnum.java

@@ -28,5 +28,6 @@ public enum AssistantFragmentsEnum {
     LOGIN,
     REMOTE_PROVISIONING,
     ECHO_CANCELLER_CALIBRATION,
-    DOWNLOAD_CODEC;
+    DOWNLOAD_CODEC,
+    QRCODE_READER
 }

app/src/main/java/org/linphone/assistant/QrcodeFragment.java

@@ -0,0 +1,143 @@
+package org.linphone.assistant;
+
+/*
+QrcodeFragment.java
+Copyright (C) 2018  Belledonne Communications, Grenoble, France
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+import android.app.Fragment;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.SurfaceView;
+import android.view.View;
+import android.view.ViewGroup;
+import org.linphone.LinphoneManager;
+import org.linphone.R;
+import org.linphone.core.Core;
+import org.linphone.core.CoreListenerStub;
+import org.linphone.mediastream.video.AndroidVideoWindowImpl;
+import org.linphone.mediastream.video.capture.hwconf.AndroidCameraConfiguration;
+
+public class QrcodeFragment extends Fragment {
+    private SurfaceView mQrcodeView;
+    private CoreListenerStub mListener;
+    private AndroidVideoWindowImpl androidVideoWindowImpl;
+
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.qrcode, container, false);
+
+        mQrcodeView = (SurfaceView) view.findViewById(R.id.qrcodeCaptureSurface);
+
+        mListener =
+                new CoreListenerStub() {
+                    @Override
+                    public void onQrcodeFound(Core lc, String result) {
+                        enableQrcodeReader(false);
+                        AssistantActivity.instance().displayRemoteProvisioning(result);
+                    }
+                };
+
+        return view;
+    }
+
+    private void enableQrcodeReader(boolean enable) {
+        LinphoneManager.getLc().enableQrcodeVideoPreview(enable);
+        LinphoneManager.getLc().enableVideoPreview(enable);
+        if (enable) {
+            LinphoneManager.getLc().addListener(mListener);
+        } else {
+            LinphoneManager.getLc().removeListener(mListener);
+        }
+    }
+
+    private void setBackCamera(boolean useBackCamera) {
+        int camId = 0;
+        AndroidCameraConfiguration.AndroidCamera[] cameras =
+                AndroidCameraConfiguration.retrieveCameras();
+        for (AndroidCameraConfiguration.AndroidCamera androidCamera : cameras) {
+            if (androidCamera.frontFacing == !useBackCamera) camId = androidCamera.id;
+        }
+        String[] devices = LinphoneManager.getLc().getVideoDevicesList();
+        String newDevice = devices[camId];
+        LinphoneManager.getLc().setVideoDevice(newDevice);
+    }
+
+    private void launchQrcodeReader() {
+        setBackCamera(true);
+
+        androidVideoWindowImpl =
+                new AndroidVideoWindowImpl(
+                        null,
+                        mQrcodeView,
+                        new AndroidVideoWindowImpl.VideoWindowListener() {
+                            public void onVideoRenderingSurfaceReady(
+                                    AndroidVideoWindowImpl vw, SurfaceView surface) {}
+
+                            public void onVideoRenderingSurfaceDestroyed(
+                                    AndroidVideoWindowImpl vw) {}
+
+                            public void onVideoPreviewSurfaceReady(
+                                    AndroidVideoWindowImpl vw, SurfaceView surface) {
+                                LinphoneManager.getLc()
+                                        .setNativePreviewWindowId(androidVideoWindowImpl);
+                            }
+
+                            public void onVideoPreviewSurfaceDestroyed(AndroidVideoWindowImpl vw) {}
+                        });
+
+        enableQrcodeReader(true);
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+    }
+
+    @Override
+    public void onResume() {
+        launchQrcodeReader();
+        if (androidVideoWindowImpl != null) {
+            synchronized (androidVideoWindowImpl) {
+                // LinphoneManager.getLc().setNativePreviewWindowId(androidVideoWindowImpl);
+            }
+        }
+        super.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        if (androidVideoWindowImpl != null) {
+            synchronized (androidVideoWindowImpl) {
+                // LinphoneManager.getLc().setNativePreviewWindowId(null);
+            }
+        }
+        enableQrcodeReader(false);
+        // setBackCamera(false);
+        super.onPause();
+    }
+
+    @Override
+    public void onDestroy() {
+        if (androidVideoWindowImpl != null) {
+            androidVideoWindowImpl.release();
+            androidVideoWindowImpl = null;
+        }
+        super.onDestroy();
+    }
+}

app/src/main/java/org/linphone/assistant/RemoteProvisioningActivity.java

@@ -204,14 +204,8 @@ public class RemoteProvisioningActivity extends Activity {
         LinphonePreferences.instance().setContext(this); // Needed, else the next call will crash
         LinphonePreferences.instance().setRemoteProvisioningUrl(configUri);
 
-        mHandler.postDelayed(
+        LinphoneManager.getLc().getConfig().sync();
-                new Runnable() {
+        LinphoneManager.getInstance().restartCore();
-                    @Override
-                    public void run() {
-                        LinphoneManager.getInstance().restartCore();
-                    }
-                },
-                1000);
     }
 
     private void goToLinphoneActivity() {

app/src/main/java/org/linphone/assistant/RemoteProvisioningFragment.java

@@ -34,7 +34,7 @@ import org.linphone.settings.LinphonePreferences;
 
 public class RemoteProvisioningFragment extends Fragment implements OnClickListener, TextWatcher {
     private EditText remoteProvisioningUrl;
-    private Button apply;
+    private Button apply, qrcode;
 
     @Override
     public View onCreateView(
@@ -43,10 +43,16 @@ public class RemoteProvisioningFragment extends Fragment implements OnClickListe
 
         remoteProvisioningUrl = view.findViewById(R.id.assistant_remote_provisioning_url);
         remoteProvisioningUrl.addTextChangedListener(this);
+        qrcode = view.findViewById(R.id.assistant_qrcode);
+        qrcode.setOnClickListener(this);
         apply = view.findViewById(R.id.assistant_apply);
         apply.setEnabled(false);
         apply.setOnClickListener(this);
 
+        if (!getArguments().getString("RemoteUrl").isEmpty()) {
+            remoteProvisioningUrl.setText(getArguments().getString("RemoteUrl"));
+        }
+
         return view;
     }
 
@@ -61,6 +67,8 @@ public class RemoteProvisioningFragment extends Fragment implements OnClickListe
             LinphoneManager.getLc().getConfig().sync();
             LinphoneManager.getInstance().restartCore();
             AssistantActivity.instance().setCoreListener();
+        } else if (id == R.id.assistant_qrcode) {
+            AssistantActivity.instance().displayQRCodeReader();
         }
     }
 

app/src/main/java/org/linphone/assistant/WelcomeFragment.java

@@ -72,7 +72,7 @@ public class WelcomeFragment extends Fragment implements OnClickListener {
         } else if (id == R.id.create_account) {
             AssistantActivity.instance().displayCreateAccount();
         } else if (id == R.id.remote_provisioning) {
-            AssistantActivity.instance().displayRemoteProvisioning();
+            AssistantActivity.instance().displayRemoteProvisioning("");
         }
     }
 }

app/src/main/res/layout/assistant_remote_provisioning.xml

@@ -59,5 +59,18 @@
 			android:paddingRight="10dp"
 			android:layout_marginTop="20dp"/>
 
+		<Button
+			android:id="@+id/assistant_qrcode"
+			android:text="@string/assistant_launch_qrcode"
+			android:background="@drawable/assistant_button"
+			android:textColor="@drawable/assistant_button_text_color"
+			style="@style/font8"
+			android:layout_width="wrap_content"
+			android:layout_height="40dp"
+			android:paddingLeft="10dp"
+			android:paddingRight="10dp"
+			android:layout_marginTop="20dp"/>
+
 	</LinearLayout>
+
 </LinearLayout>

app/src/main/res/layout/qrcode.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:id="@+id/qrcode_frame"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:screenOrientation="portrait" >
+
+
+    <SurfaceView
+        android:id="@+id/qrcodeCaptureSurface"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentRight="true" />
+
+</RelativeLayout>

app/src/main/res/values/strings.xml

@@ -92,6 +92,7 @@
     <string name="assistant_generic_account">Use SIP account</string>
     <string name="assistant_remote_provisioning_title">Fetch remote configuration</string>
     <string name="assistant_fetch_apply">Fetch and apply</string>
+    <string name="assistant_launch_qrcode">QRCode</string>
     <string name="assistant_login">Login</string>
     <string name="assistant_ec_calibration">Echo canceler calibration in progress</string>
     <string name="assistant_remote_provisioning_login">Enter your login</string>