From 6dbe9b0ca99f87c99743207ee69ba8523b54a72a Mon Sep 17 00:00:00 2001
From: Niels Andriesse <andriesseniels@gmail.com>
Date: Wed, 18 Dec 2019 14:31:12 +0100
Subject: [PATCH] Hook up new private chat screen redesign logic

---
 build.gradle                                  |   2 +
 .../fragment_scan_qr_code_placeholder.xml     |  34 +++++
 res/layout/fragment_scan_qr_code_v2.xml       |  40 ++++++
 res/layout/fragment_scan_qr_code_wrapper.xml  |   6 +
 .../activities/NewPrivateChatActivity.kt      | 124 +++++++++++++++++-
 .../fragments/ScanQRCodeFragmentV2.kt         |  58 ++++++++
 .../ScanQRCodePlaceholderFragment.kt          |  27 ++++
 .../loki/redesign/views/SeparatorView.kt      |   3 +-
 8 files changed, 289 insertions(+), 5 deletions(-)
 create mode 100644 res/layout/fragment_scan_qr_code_placeholder.xml
 create mode 100644 res/layout/fragment_scan_qr_code_v2.xml
 create mode 100644 res/layout/fragment_scan_qr_code_wrapper.xml
 create mode 100644 src/org/thoughtcrime/securesms/loki/redesign/fragments/ScanQRCodeFragmentV2.kt
 create mode 100644 src/org/thoughtcrime/securesms/loki/redesign/fragments/ScanQRCodePlaceholderFragment.kt

diff --git a/build.gradle b/build.gradle
index 5ad5cc9103..b0be9299ab 100644
--- a/build.gradle
+++ b/build.gradle
@@ -193,6 +193,8 @@ dependencies {
     implementation("com.crashlytics.sdk.android:crashlytics:$crashlytics_version@aar") {
         transitive = true
     }
+    implementation "com.jakewharton.rxbinding3:rxbinding:3.1.0"
+    implementation "com.github.tbruyelle:rxpermissions:0.10.2"
 }
 
 def canonicalVersionCode = 23
diff --git a/res/layout/fragment_scan_qr_code_placeholder.xml b/res/layout/fragment_scan_qr_code_placeholder.xml
new file mode 100644
index 0000000000..1a3178b485
--- /dev/null
+++ b/res/layout/fragment_scan_qr_code_placeholder.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/default_session_background">
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:gravity="center_horizontal"
+        android:layout_centerInParent="true">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textColor="@color/text"
+            android:textSize="@dimen/small_font_size"
+            android:text="Session needs camera access to scan QR codes" />
+
+        <Button
+            style="@style/MediumProminentOutlineButton"
+            android:id="@+id/grantCameraAccessButton"
+            android:layout_width="wrap_content"
+            android:layout_height="@dimen/medium_button_height"
+            android:layout_marginTop="@dimen/medium_spacing"
+            android:paddingLeft="@dimen/medium_spacing"
+            android:paddingRight="@dimen/medium_spacing"
+            android:text="Grant Camera Access" />
+
+    </LinearLayout>
+
+</RelativeLayout>
diff --git a/res/layout/fragment_scan_qr_code_v2.xml b/res/layout/fragment_scan_qr_code_v2.xml
new file mode 100644
index 0000000000..7da35396c7
--- /dev/null
+++ b/res/layout/fragment_scan_qr_code_v2.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <org.thoughtcrime.securesms.components.camera.CameraView
+        android:id="@+id/cameraView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:camera="0" />
+
+    <LinearLayout
+        android:id="@+id/overlayView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:weightSum="2" >
+
+        <org.thoughtcrime.securesms.components.ShapeScrim
+            android:layout_weight="1"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"/>
+
+        <TextView
+            android:id="@+id/descriptionTextView"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:padding="@dimen/very_large_spacing"
+            android:gravity="center"
+            android:background="@color/navigation_bar_background"
+            android:text="Users can share their QR code by going into their account settings and tapping &quot;Share QR Code&quot;"
+            android:textSize="@dimen/small_font_size"
+            android:textColor="@color/text" />
+
+    </LinearLayout>
+
+</FrameLayout>
diff --git a/res/layout/fragment_scan_qr_code_wrapper.xml b/res/layout/fragment_scan_qr_code_wrapper.xml
new file mode 100644
index 0000000000..216b135045
--- /dev/null
+++ b/res/layout/fragment_scan_qr_code_wrapper.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/fragmentContainer"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />
\ No newline at end of file
diff --git a/src/org/thoughtcrime/securesms/loki/redesign/activities/NewPrivateChatActivity.kt b/src/org/thoughtcrime/securesms/loki/redesign/activities/NewPrivateChatActivity.kt
index 85c50b48ad..cfc15311f0 100644
--- a/src/org/thoughtcrime/securesms/loki/redesign/activities/NewPrivateChatActivity.kt
+++ b/src/org/thoughtcrime/securesms/loki/redesign/activities/NewPrivateChatActivity.kt
@@ -1,16 +1,36 @@
 package org.thoughtcrime.securesms.loki.redesign.activities
 
+import android.Manifest
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
 import android.os.Bundle
 import android.support.v4.app.Fragment
 import android.support.v4.app.FragmentManager
 import android.support.v4.app.FragmentPagerAdapter
+import android.support.v4.content.ContextCompat
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
+import com.tbruyelle.rxpermissions2.RxPermissions
 import kotlinx.android.synthetic.main.activity_new_private_chat.*
 import kotlinx.android.synthetic.main.fragment_enter_public_key.*
 import network.loki.messenger.R
 import org.thoughtcrime.securesms.BaseActionBarActivity
+import org.thoughtcrime.securesms.conversation.ConversationActivity
+import org.thoughtcrime.securesms.database.Address
+import org.thoughtcrime.securesms.database.DatabaseFactory
+import org.thoughtcrime.securesms.database.ThreadDatabase
+import org.thoughtcrime.securesms.loki.redesign.fragments.ScanQRCodeFragmentV2
+import org.thoughtcrime.securesms.loki.redesign.fragments.ScanQRCodePlaceholderFragment
+import org.thoughtcrime.securesms.loki.redesign.fragments.ScanQRCodePlaceholderFragmentDelegate
+import org.thoughtcrime.securesms.qr.ScanListener
+import org.thoughtcrime.securesms.recipients.Recipient
+import org.thoughtcrime.securesms.util.TextSecurePreferences
+import org.whispersystems.signalservice.loki.utilities.PublicKeyValidation
 
 class NewPrivateChatActivity : BaseActionBarActivity() {
     private val adapter = Adapter(supportFragmentManager)
@@ -27,6 +47,25 @@ class NewPrivateChatActivity : BaseActionBarActivity() {
         tabLayout.setupWithViewPager(viewPager)
     }
     // endregion
+
+    // region Interaction
+    fun createPrivateChatIfPossible(hexEncodedPublicKey: String) {
+        if (!PublicKeyValidation.isValid(hexEncodedPublicKey)) { return Toast.makeText(this, "Invalid Session ID", Toast.LENGTH_SHORT).show() }
+        val masterHexEncodedPublicKey = TextSecurePreferences.getMasterHexEncodedPublicKey(this)
+        val userHexEncodedPublicKey = TextSecurePreferences.getLocalNumber(this)
+        val targetHexEncodedPublicKey = if (hexEncodedPublicKey == masterHexEncodedPublicKey) userHexEncodedPublicKey else hexEncodedPublicKey
+        val recipient = Recipient.from(this, Address.fromSerialized(targetHexEncodedPublicKey), true)
+        val intent = Intent(this, ConversationActivity::class.java)
+        intent.putExtra(ConversationActivity.ADDRESS_EXTRA, recipient.address)
+        intent.putExtra(ConversationActivity.TEXT_EXTRA, getIntent().getStringExtra(ConversationActivity.TEXT_EXTRA))
+        intent.setDataAndType(getIntent().data, getIntent().type)
+        val existingThread = DatabaseFactory.getThreadDatabase(this).getThreadIdIfExistsFor(recipient)
+        intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, existingThread)
+        intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, ThreadDatabase.DistributionTypes.DEFAULT)
+        startActivity(intent)
+        finish()
+    }
+    // endregion
 }
 
 // region Adapter
@@ -37,7 +76,11 @@ private class Adapter(manager: FragmentManager) : FragmentPagerAdapter(manager)
     }
 
     override fun getItem(index: Int): Fragment {
-        return EnterPublicKeyFragment()
+        return when (index) {
+            0 -> EnterPublicKeyFragment()
+            1 -> ScanQRCodeWrapperFragment()
+            else -> throw IllegalStateException()
+        }
     }
 
     override fun getPageTitle(index: Int): CharSequence? {
@@ -50,7 +93,14 @@ private class Adapter(manager: FragmentManager) : FragmentPagerAdapter(manager)
 }
 // endregion
 
+// region Enter Public Key Fragment
 class EnterPublicKeyFragment : Fragment() {
+    private val hexEncodedPublicKey: String
+        get() {
+            val masterHexEncodedPublicKey = TextSecurePreferences.getMasterHexEncodedPublicKey(context!!)
+            val userHexEncodedPublicKey = TextSecurePreferences.getLocalNumber(context!!)
+            return masterHexEncodedPublicKey ?: userHexEncodedPublicKey
+        }
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
         return inflater.inflate(R.layout.fragment_enter_public_key, container, false)
@@ -58,6 +108,74 @@ class EnterPublicKeyFragment : Fragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        separatorView.title = "Test"
+        publicKeyTextView.text = hexEncodedPublicKey
+        copyButton.setOnClickListener { copyPublicKey() }
+        shareButton.setOnClickListener { sharePublicKey() }
+        createPrivateChatButton.setOnClickListener { createPrivateChatIfPossible() }
+    }
+
+    private fun copyPublicKey() {
+        val clipboard = activity!!.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+        val clip = ClipData.newPlainText("Session ID", hexEncodedPublicKey)
+        clipboard.primaryClip = clip
+        Toast.makeText(context!!, R.string.activity_register_public_key_copied_message, Toast.LENGTH_SHORT).show()
+    }
+
+    private fun sharePublicKey() {
+        val intent = Intent()
+        intent.action = Intent.ACTION_SEND
+        intent.putExtra(Intent.EXTRA_TEXT, hexEncodedPublicKey)
+        intent.type = "text/plain"
+        startActivity(intent)
+    }
+
+    private fun createPrivateChatIfPossible() {
+        val hexEncodedPublicKey = publicKeyEditText.text.trim().toString()
+        (activity!! as NewPrivateChatActivity).createPrivateChatIfPossible(hexEncodedPublicKey)
     }
-}
\ No newline at end of file
+}
+// endregion
+
+// region Scan QR Code Wrapper Fragment
+class ScanQRCodeWrapperFragment : Fragment(), ScanQRCodePlaceholderFragmentDelegate, ScanListener {
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_scan_qr_code_wrapper, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        update()
+    }
+
+    private fun update() {
+        val fragment: Fragment
+        if (ContextCompat.checkSelfPermission(activity!!, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
+            val scanQRCodeFragment = ScanQRCodeFragmentV2()
+            scanQRCodeFragment.scanListener = this
+            fragment = scanQRCodeFragment
+        } else {
+            val scanQRCodePlaceholderFragment = ScanQRCodePlaceholderFragment()
+            scanQRCodePlaceholderFragment.delegate = this
+            fragment = scanQRCodePlaceholderFragment
+        }
+        val transaction = childFragmentManager.beginTransaction()
+        transaction.replace(R.id.fragmentContainer, fragment)
+        transaction.commit()
+    }
+
+    override fun requestCameraAccess() {
+        @SuppressWarnings("unused")
+        val unused = RxPermissions(this).request(Manifest.permission.CAMERA).subscribe { isGranted ->
+            if (isGranted) {
+                update()
+            }
+        }
+    }
+
+    override fun onQrDataFound(hexEncodedPublicKey: String) {
+        val activity = activity!! as NewPrivateChatActivity
+        activity.createPrivateChatIfPossible(hexEncodedPublicKey)
+    }
+}
+// endregion
\ No newline at end of file
diff --git a/src/org/thoughtcrime/securesms/loki/redesign/fragments/ScanQRCodeFragmentV2.kt b/src/org/thoughtcrime/securesms/loki/redesign/fragments/ScanQRCodeFragmentV2.kt
new file mode 100644
index 0000000000..e4e93e7f17
--- /dev/null
+++ b/src/org/thoughtcrime/securesms/loki/redesign/fragments/ScanQRCodeFragmentV2.kt
@@ -0,0 +1,58 @@
+package org.thoughtcrime.securesms.loki.redesign.fragments
+
+import android.content.res.Configuration
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.LinearLayout
+import kotlinx.android.synthetic.main.fragment_scan_qr_code.*
+import network.loki.messenger.R
+import org.thoughtcrime.securesms.qr.ScanListener
+import org.thoughtcrime.securesms.qr.ScanningThread
+
+class ScanQRCodeFragmentV2 : Fragment() {
+    private val scanningThread = ScanningThread()
+    private var viewCreated = false
+    var scanListener: ScanListener? = null
+        set(value) { field = value; scanningThread.setScanListener(scanListener) }
+
+    override fun onCreateView(layoutInflater: LayoutInflater, viewGroup: ViewGroup?, bundle: Bundle?): View? {
+        return layoutInflater.inflate(R.layout.fragment_scan_qr_code_v2, viewGroup, false)
+    }
+
+    override fun onViewCreated(view: View, bundle: Bundle?) {
+        super.onViewCreated(view, bundle)
+        viewCreated = true
+        when (resources.configuration.orientation) {
+            Configuration.ORIENTATION_LANDSCAPE -> overlayView.orientation = LinearLayout.HORIZONTAL
+            else -> overlayView.orientation = LinearLayout.VERTICAL
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        scanningThread.setScanListener(scanListener)
+        cameraView.onResume()
+        cameraView.setPreviewCallback(scanningThread)
+        scanningThread.start()
+    }
+
+    override fun onPause() {
+        super.onPause()
+        this.cameraView.onPause()
+        this.scanningThread.stopScanning()
+    }
+
+    override fun onConfigurationChanged(newConfiguration: Configuration) {
+        super.onConfigurationChanged(newConfiguration)
+        this.cameraView.onPause()
+        when (newConfiguration.orientation) {
+            Configuration.ORIENTATION_LANDSCAPE -> overlayView.orientation = LinearLayout.HORIZONTAL
+            else -> overlayView.orientation = LinearLayout.VERTICAL
+        }
+        cameraView.onResume()
+        cameraView.setPreviewCallback(scanningThread)
+    }
+}
\ No newline at end of file
diff --git a/src/org/thoughtcrime/securesms/loki/redesign/fragments/ScanQRCodePlaceholderFragment.kt b/src/org/thoughtcrime/securesms/loki/redesign/fragments/ScanQRCodePlaceholderFragment.kt
new file mode 100644
index 0000000000..076e7ca9a6
--- /dev/null
+++ b/src/org/thoughtcrime/securesms/loki/redesign/fragments/ScanQRCodePlaceholderFragment.kt
@@ -0,0 +1,27 @@
+package org.thoughtcrime.securesms.loki.redesign.fragments
+
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import kotlinx.android.synthetic.main.fragment_scan_qr_code_placeholder.*
+import network.loki.messenger.R
+
+class ScanQRCodePlaceholderFragment: Fragment() {
+    var delegate: ScanQRCodePlaceholderFragmentDelegate? = null
+
+    override fun onCreateView(layoutInflater: LayoutInflater, viewGroup: ViewGroup?, bundle: Bundle?): View? {
+        return layoutInflater.inflate(R.layout.fragment_scan_qr_code_placeholder, viewGroup, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        grantCameraAccessButton.setOnClickListener { delegate?.requestCameraAccess() }
+    }
+}
+
+interface ScanQRCodePlaceholderFragmentDelegate {
+
+    fun requestCameraAccess()
+}
\ No newline at end of file
diff --git a/src/org/thoughtcrime/securesms/loki/redesign/views/SeparatorView.kt b/src/org/thoughtcrime/securesms/loki/redesign/views/SeparatorView.kt
index a8b3c92350..12bd255d06 100644
--- a/src/org/thoughtcrime/securesms/loki/redesign/views/SeparatorView.kt
+++ b/src/org/thoughtcrime/securesms/loki/redesign/views/SeparatorView.kt
@@ -13,7 +13,6 @@ import org.thoughtcrime.securesms.loki.getColorWithID
 import org.thoughtcrime.securesms.loki.toPx
 
 class SeparatorView : RelativeLayout {
-    lateinit var title: CharSequence
 
     private val path = Path()
 
@@ -21,7 +20,7 @@ class SeparatorView : RelativeLayout {
         val result = Paint()
         result.style = Paint.Style.STROKE
         result.color = resources.getColorWithID(R.color.separator, context.theme)
-        result.strokeWidth = 2.0f
+        result.strokeWidth = toPx(1, resources).toFloat()
         result.isAntiAlias = true
         result
     }()