Update on-boarding UI (#1099)

* Add onboarding flow from v2

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Minor fixes

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Add changelog entry

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Remove old activity from manifest

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Remove view type prefix from view ids

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Review fixes

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Treewide: Reformat code

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Moar review fixes

Signed-off-by: Aditya Wasan <adityawasan55@gmail.com>

* Revert "Treewide: Reformat code"

This reverts commit 348ef0050942526a55890b245afec8d7fee4d81e.

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

* onboarding: cleanup OnboardingActivity init

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

* Remove unused layout

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

* Remove unnecessary ConstraintLayout

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

* Shorten animation duration

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

* onboarding: use viewBinding extension in fragments

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

Co-authored-by: Harsh Shandilya <me@msfjarvis.dev>

4 files changed, 301 insertions, 0 deletions

diff --git a/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/activity/OnboardingActivity.kt b/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/activity/OnboardingActivity.kt
new file mode 100644
index 00000000..b81efb4c
--- /dev/null
+++ b/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/activity/OnboardingActivity.kt
@@ -0,0 +1,26 @@
+/*
+ * Copyright © 2019-2020 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package com.zeapo.pwdstore.ui.onboarding.activity
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.zeapo.pwdstore.R
+
+class OnboardingActivity : AppCompatActivity(R.layout.activity_onboarding) {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        supportActionBar?.hide()
+    }
+
+    override fun onBackPressed() {
+        if (supportFragmentManager.backStackEntryCount == 0) {
+            finishAffinity()
+        } else {
+            super.onBackPressed()
+        }
+    }
+}
diff --git a/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/fragments/CloneFragment.kt b/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/fragments/CloneFragment.kt
new file mode 100644
index 00000000..19a14695
--- /dev/null
+++ b/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/fragments/CloneFragment.kt
@@ -0,0 +1,59 @@
+/*
+ * Copyright © 2019-2020 The Android Password Store Authors. All Rights Reserved.
+ *  SPDX-License-Identifier: GPL-3.0-only
+ *
+ */
+
+package com.zeapo.pwdstore.ui.onboarding.fragments
+
+import android.os.Bundle
+import android.view.View
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.edit
+import androidx.fragment.app.Fragment
+import com.zeapo.pwdstore.R
+import com.zeapo.pwdstore.databinding.FragmentCloneBinding
+import com.zeapo.pwdstore.git.GitServerConfigActivity
+import com.zeapo.pwdstore.utils.PreferenceKeys
+import com.zeapo.pwdstore.utils.finish
+import com.zeapo.pwdstore.utils.performTransactionWithBackStack
+import com.zeapo.pwdstore.utils.sharedPrefs
+import com.zeapo.pwdstore.utils.viewBinding
+
+class CloneFragment : Fragment(R.layout.fragment_clone) {
+
+    private val binding by viewBinding(FragmentCloneBinding::bind)
+
+    private val settings by lazy { requireActivity().applicationContext.sharedPrefs }
+
+    private val cloneAction = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+        if (result.resultCode == AppCompatActivity.RESULT_OK) {
+            settings.edit { putBoolean(PreferenceKeys.REPOSITORY_INITIALIZED, true) }
+            finish()
+        }
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding.cloneRemote.setOnClickListener {
+            cloneToHiddenDir()
+        }
+        binding.createLocal.setOnClickListener {
+            parentFragmentManager.performTransactionWithBackStack(RepoLocationFragment.newInstance())
+        }
+    }
+
+    /**
+     * Clones a remote Git repository to the app's private directory
+     */
+    private fun cloneToHiddenDir() {
+        settings.edit { putBoolean(PreferenceKeys.GIT_EXTERNAL, false) }
+        cloneAction.launch(GitServerConfigActivity.createCloneIntent(requireContext()))
+    }
+
+    companion object {
+
+        fun newInstance(): CloneFragment = CloneFragment()
+    }
+}
diff --git a/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/fragments/RepoLocationFragment.kt b/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/fragments/RepoLocationFragment.kt
new file mode 100644
index 00000000..7ff85237
--- /dev/null
+++ b/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/fragments/RepoLocationFragment.kt
@@ -0,0 +1,191 @@
+/*
+ * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ *
+ */
+
+package com.zeapo.pwdstore.ui.onboarding.fragments
+
+import android.Manifest
+import android.os.Bundle
+import android.view.View
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.edit
+import androidx.fragment.app.Fragment
+import com.github.ajalt.timberkt.d
+import com.github.michaelbull.result.onFailure
+import com.github.michaelbull.result.runCatching
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.zeapo.pwdstore.R
+import com.zeapo.pwdstore.UserPreference
+import com.zeapo.pwdstore.databinding.FragmentRepoLocationBinding
+import com.zeapo.pwdstore.utils.PasswordRepository
+import com.zeapo.pwdstore.utils.PreferenceKeys
+import com.zeapo.pwdstore.utils.finish
+import com.zeapo.pwdstore.utils.getString
+import com.zeapo.pwdstore.utils.isPermissionGranted
+import com.zeapo.pwdstore.utils.listFilesRecursively
+import com.zeapo.pwdstore.utils.sharedPrefs
+import com.zeapo.pwdstore.utils.viewBinding
+import java.io.File
+
+class RepoLocationFragment : Fragment(R.layout.fragment_repo_location) {
+
+    private val firstRunActivity by lazy { requireActivity() }
+    private val settings by lazy { firstRunActivity.applicationContext.sharedPrefs }
+    private val binding by viewBinding(FragmentRepoLocationBinding::bind)
+    private val sortOrder: PasswordRepository.PasswordSortOrder
+        get() = PasswordRepository.PasswordSortOrder.getSortOrder(settings)
+
+    private val repositoryInitAction = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+        if (result.resultCode == AppCompatActivity.RESULT_OK) {
+            initializeRepositoryInfo()
+        }
+    }
+
+    private val externalDirectorySelectAction = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+        if (result.resultCode == AppCompatActivity.RESULT_OK) {
+            if (checkExternalDirectory()) {
+                finish()
+            } else {
+                createRepository()
+            }
+        }
+    }
+
+    private val externalDirPermGrantedAction = createPermGrantedAction {
+        externalDirectorySelectAction.launch(UserPreference.createDirectorySelectionIntent(requireContext()))
+    }
+
+    private val repositoryUsePermGrantedAction = createPermGrantedAction {
+        initializeRepositoryInfo()
+    }
+
+    private val repositoryChangePermGrantedAction = createPermGrantedAction {
+        repositoryInitAction.launch(UserPreference.createDirectorySelectionIntent(requireContext()))
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding.hidden.setOnClickListener {
+            createRepoInHiddenDir()
+        }
+
+        binding.sdcard.setOnClickListener {
+            createRepoFromExternalDir()
+        }
+    }
+
+    /**
+     * Initializes an empty repository in the app's private directory
+     */
+    private fun createRepoInHiddenDir() {
+        settings.edit {
+            putBoolean(PreferenceKeys.GIT_EXTERNAL, false)
+            remove(PreferenceKeys.GIT_EXTERNAL_REPO)
+        }
+        initializeRepositoryInfo()
+    }
+
+    /**
+     * Initializes an empty repository in a selected directory if one does not already exist
+     */
+    private fun createRepoFromExternalDir() {
+        settings.edit { putBoolean(PreferenceKeys.GIT_EXTERNAL, true) }
+        val externalRepo = settings.getString(PreferenceKeys.GIT_EXTERNAL_REPO)
+        if (externalRepo == null) {
+            if (!isPermissionGranted(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
+                externalDirPermGrantedAction.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+            } else {
+                // Unlikely we have storage permissions without user ever selecting a directory,
+                // but let's not assume.
+                externalDirectorySelectAction.launch(UserPreference.createDirectorySelectionIntent(requireContext()))
+            }
+        } else {
+            MaterialAlertDialogBuilder(requireActivity())
+                .setTitle(resources.getString(R.string.directory_selected_title))
+                .setMessage(resources.getString(R.string.directory_selected_message, externalRepo))
+                .setPositiveButton(resources.getString(R.string.use)) { _, _ ->
+                    if (!isPermissionGranted(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
+                        repositoryUsePermGrantedAction.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+                    } else {
+                        initializeRepositoryInfo()
+                    }
+                }
+                .setNegativeButton(resources.getString(R.string.change)) { _, _ ->
+                    if (!isPermissionGranted(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
+                        repositoryChangePermGrantedAction.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+                    } else {
+                        repositoryInitAction.launch(UserPreference.createDirectorySelectionIntent(requireContext()))
+                    }
+                }
+                .show()
+        }
+    }
+
+    private fun checkExternalDirectory(): Boolean {
+        if (settings.getBoolean(PreferenceKeys.GIT_EXTERNAL, false) &&
+            settings.getString(PreferenceKeys.GIT_EXTERNAL_REPO) != null) {
+            val externalRepoPath = settings.getString(PreferenceKeys.GIT_EXTERNAL_REPO)
+            val dir = externalRepoPath?.let { File(it) }
+            if (dir != null && // The directory could be opened
+                dir.exists() && // The directory exists
+                dir.isDirectory && // The directory, is really a directory
+                dir.listFilesRecursively().isNotEmpty() && // The directory contains files
+                // The directory contains a non-zero number of password files
+                PasswordRepository.getPasswords(dir, PasswordRepository.getRepositoryDirectory(), sortOrder).isNotEmpty()
+            ) {
+                PasswordRepository.closeRepository()
+                return true
+            }
+        }
+        return false
+    }
+
+    private fun createRepository() {
+        val localDir = PasswordRepository.getRepositoryDirectory()
+        runCatching {
+            check(localDir.exists() || localDir.mkdir()) { "Failed to create directory!" }
+            PasswordRepository.createRepository(localDir)
+            if (!PasswordRepository.isInitialized) {
+                PasswordRepository.initialize()
+            }
+            if (File(localDir.absolutePath + "/.gpg-id").createNewFile()) {
+                settings.edit { putBoolean(PreferenceKeys.REPOSITORY_INITIALIZED, true) }
+            } else {
+                throw IllegalStateException("Failed to initialize repository state.")
+            }
+        }.onFailure { e ->
+            e.printStackTrace()
+            if (!localDir.delete()) {
+                d { "Failed to delete local repository: $localDir" }
+            }
+        }
+        finish()
+    }
+
+    private fun initializeRepositoryInfo() {
+        val externalRepo = settings.getBoolean(PreferenceKeys.GIT_EXTERNAL, false)
+        val externalRepoPath = settings.getString(PreferenceKeys.GIT_EXTERNAL_REPO)
+        if (externalRepo && !isPermissionGranted(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
+            return
+        }
+        if (externalRepo && externalRepoPath != null) {
+            if (checkExternalDirectory()) return
+        }
+        createRepository()
+    }
+
+    private fun createPermGrantedAction(block: () -> Unit) =
+        registerForActivityResult(ActivityResultContracts.RequestPermission()) { granted ->
+            if (granted) {
+                block.invoke()
+            }
+        }
+
+    companion object {
+
+        fun newInstance(): RepoLocationFragment = RepoLocationFragment()
+    }
+}
diff --git a/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/fragments/WelcomeFragment.kt b/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/fragments/WelcomeFragment.kt
new file mode 100644
index 00000000..2cf4dd49
--- /dev/null
+++ b/app/src/main/java/com/zeapo/pwdstore/ui/onboarding/fragments/WelcomeFragment.kt
@@ -0,0 +1,25 @@
+/*
+ * Copyright © 2019-2020 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package com.zeapo.pwdstore.ui.onboarding.fragments
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import com.zeapo.pwdstore.R
+import com.zeapo.pwdstore.databinding.FragmentWelcomeBinding
+import com.zeapo.pwdstore.utils.performTransactionWithBackStack
+import com.zeapo.pwdstore.utils.viewBinding
+
+@Suppress("unused")
+class WelcomeFragment : Fragment(R.layout.fragment_welcome) {
+
+    private val binding by viewBinding(FragmentWelcomeBinding::bind)
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding.letsGo.setOnClickListener { parentFragmentManager.performTransactionWithBackStack(CloneFragment.newInstance()) }
+    }
+}