package org.linphone;

/*
DialerFragment.java
Copyright (C) 2017  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.content.Intent;
import android.content.res.Configuration;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;

import org.linphone.core.LinphoneCore;
import org.linphone.mediastream.Log;
import org.linphone.ui.AddressAware;
import org.linphone.ui.AddressText;
import org.linphone.ui.CallButton;
import org.linphone.ui.EraseButton;

public class DialerFragment extends Fragment {
private static DialerFragment instance;
private static boolean isCallTransferOngoing = false;

private AddressAware numpad;
private AddressText mAddress;
private CallButton mCall,mCall0;
private ImageView mAddContact;
private OnClickListener addContactListener, cancelListener, transferListener;
private boolean shouldEmptyAddressField = true;
private int dindex ;

@Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.dialer, container, false);

mAddress = (AddressText) view.findViewById(R.id.address);
mAddress.setDialerFragment(this);

EraseButton erase = (EraseButton) view.findViewById(R.id.erase);
erase.setAddressWidget(mAddress);

mCall = (CallButton) view.findViewById(R.id.call);
mCall = (CallButton) view.findViewById(R.id.call0);

mCall.setAddressWidget(mAddress);

if (LinphoneActivity.isInstanciated() && LinphoneManager.getLcIfManagerNotDestroyedOrNull() != null && LinphoneManager.getLcIfManagerNotDestroyedOrNull().getCallsNb() > 0) {
if (isCallTransferOngoing) {
mCall.setImageResource(R.drawable.call_transfer);
} else {
mCall.setImageResource(R.drawable.call_add);
}
} else {
if (LinphoneManager.getLcIfManagerNotDestroyedOrNull() != null && LinphoneManager.getLcIfManagerNotDestroyedOrNull().getVideoAutoInitiatePolicy()) {
mCall.setImageResource(R.drawable.call_video_start);
} else {
mCall.setImageResource(R.drawable.call_audio_start);
}
}

numpad = (AddressAware) view.findViewById(R.id.numpad);
if (numpad != null) {
numpad.setAddressWidget(mAddress);
}

mAddContact = (ImageView) view.findViewById(R.id.add_contact);
mAddContact.setEnabled(!(LinphoneActivity.isInstanciated() && LinphoneManager.getLcIfManagerNotDestroyedOrNull() != null && LinphoneManager.getLc().getCallsNb() > 0));

addContactListener = new OnClickListener() {
@Override
public void onClick(View v) {
LinphoneActivity.instance().displayContactsForEdition(mAddress.getText().toString());
}
};
cancelListener = new OnClickListener() {
@Override
public void onClick(View v) {
LinphoneActivity.instance().resetClassicMenuLayoutAndGoBackToCallIfStillRunning();
}
};
transferListener = new OnClickListener() {
@Override
public void onClick(View v) {
LinphoneCore lc = LinphoneManager.getLc();
if (lc.getCurrentCall() == null) {
return;
}
lc.transferCall(lc.getCurrentCall(), mAddress.getText().toString());
isCallTransferOngoing = false;
LinphoneActivity.instance().resetClassicMenuLayoutAndGoBackToCallIfStillRunning();
}
};

resetLayout(isCallTransferOngoing);

if (getArguments() != null) {
shouldEmptyAddressField = false;
String number = getArguments().getString("SipUri");
String displayName = getArguments().getString("DisplayName");
String photo = getArguments().getString("PhotoUri");
mAddress.setText(number);
if (displayName != null) {
mAddress.setDisplayedName(displayName);
}
if (photo != null) {
mAddress.setPictureUri(Uri.parse(photo));
}
}

instance = this;

return view;
    }

/**
* @return null if not ready yet
*/
public static DialerFragment instance() {
return instance;
}

@Override
public void onPause() {
instance = null;
super.onPause();
}

@Override
public void onResume() {
super.onResume();
instance = this;

if (LinphoneActivity.isInstanciated()) {
LinphoneActivity.instance().selectMenu(FragmentsAvailable.DIALER);
LinphoneActivity.instance().updateDialerFragment(this);
LinphoneActivity.instance().showStatusBar();
LinphoneActivity.instance().hideTabBar(false);
}

boolean isOrientationLandscape = getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
if(isOrientationLandscape && !getResources().getBoolean(R.bool.isTablet)) {
((LinearLayout) numpad).setVisibility(View.GONE);
} else {
((LinearLayout) numpad).setVisibility(View.VISIBLE);
}

if (shouldEmptyAddressField) {
mAddress.setText("");
} else {
shouldEmptyAddressField = true;
}
resetLayout(isCallTransferOngoing);

String addressWaitingToBeCalled = LinphoneActivity.instance().mAddressWaitingToBeCalled;
if (addressWaitingToBeCalled != null) {
mAddress.setText(addressWaitingToBeCalled);
if (getResources().getBoolean(R.bool.automatically_start_intercepted_outgoing_gsm_call)) {
newOutgoingCall(addressWaitingToBeCalled);
}
LinphoneActivity.instance().mAddressWaitingToBeCalled = null;
}
}

public void resetLayout(boolean callTransfer) {
if (!LinphoneActivity.isInstanciated()) {
return;
}
isCallTransferOngoing = LinphoneActivity.instance().isCallTransfer();
LinphoneCore lc = LinphoneManager.getLcIfManagerNotDestroyedOrNull();
if (lc == null) {
return;
}

if (lc.getCallsNb() > 0) {
if (isCallTransferOngoing) {
mCall.setImageResource(R.drawable.call_transfer);
mCall.setExternalClickListener(transferListener);

} else {
mCall.setImageResource(R.drawable.call_add);
mCall.resetClickListener();
}
mAddContact.setEnabled(true);
mAddContact.setImageResource(R.drawable.call_alt_back);
mAddContact.setOnClickListener(cancelListener);
} else {
if (LinphoneManager.getLc().getVideoAutoInitiatePolicy()) {
mCall.setImageResource(R.drawable.call_video_start);
} else {
mCall.setImageResource(R.drawable.call_audio_start);
}
mAddContact.setEnabled(false);
mAddContact.setImageResource(R.drawable.contact_add_button);
mAddContact.setOnClickListener(addContactListener);
enableDisableAddContact();
}
}

public void enableDisableAddContact() {
mAddContact.setEnabled(LinphoneManager.getLcIfManagerNotDestroyedOrNull() != null && LinphoneManager.getLc().getCallsNb() > 0 || !mAddress.getText().toString().equals(""));
}

public void displayTextInAddressBar(String numberOrSipAddress) {
shouldEmptyAddressField = false;
mAddress.setText(numberOrSipAddress);
}

public void newOutgoingCall(String numberOrSipAddress) {
displayTextInAddressBar(numberOrSipAddress);
LinphoneManager.getInstance().newOutgoingCall(mAddress);
}

public void newOutgoingCall(Intent intent) {
if (intent != null && intent.getData() != null) {
String scheme = intent.getData().getScheme();
if (scheme.startsWith("imto")) {
mAddress.setText("sip:" + intent.getData().getLastPathSegment());
} else if (scheme.startsWith("call") || scheme.startsWith("sip")) {
mAddress.setText(intent.getData().getSchemeSpecificPart());
} else {
Uri contactUri = intent.getData();
String address = ContactsManager.getAddressOrNumberForAndroidContact(LinphoneService.instance().getContentResolver(), contactUri);
if(address != null) {
mAddress.setText(address);
} else {
Log.e("Unknown scheme: ", scheme);
mAddress.setText(intent.getData().getSchemeSpecificPart());
}
}

mAddress.clearDisplayedName();
intent.setData(null);

LinphoneManager.getInstance().newOutgoingCall(mAddress);
}
}
}

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