saveFiles to internal storage

app/src/main/java/com/nextcloud/talk/activities/FullScreenImageActivity.kt

@@ -26,6 +26,8 @@
 
 package com.nextcloud.talk.activities
 
+import android.annotation.SuppressLint
+import android.content.DialogInterface
 import android.content.Intent
 import android.os.Bundle
 import android.util.Log
@@ -33,6 +35,7 @@ import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup.MarginLayoutParams
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.FileProvider
 import androidx.core.view.ViewCompat
@@ -41,20 +44,28 @@ import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsControllerCompat
 import androidx.core.view.updateLayoutParams
 import androidx.core.view.updatePadding
+import androidx.work.Data
+import androidx.work.OneTimeWorkRequest
+import androidx.work.WorkInfo
+import androidx.work.WorkManager
 import com.google.android.material.snackbar.Snackbar
 import com.nextcloud.talk.BuildConfig
 import com.nextcloud.talk.R
 import com.nextcloud.talk.databinding.ActivityFullScreenImageBinding
+import com.nextcloud.talk.jobs.SaveFileToStorageWorker
+import com.nextcloud.talk.ui.theme.ViewThemeUtils
 import com.nextcloud.talk.utils.BitmapShrinker
 import com.nextcloud.talk.utils.Mimetype.IMAGE_PREFIX_GENERIC
 import pl.droidsonroids.gif.GifDrawable
 import java.io.File
+import java.util.concurrent.ExecutionException
 
 class FullScreenImageActivity : AppCompatActivity() {
     lateinit var binding: ActivityFullScreenImageBinding
     private lateinit var windowInsetsController: WindowInsetsControllerCompat
     private lateinit var path: String
     private var showFullscreen = false
+    lateinit var viewThemeUtils: ViewThemeUtils
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.menu_preview, menu)
@@ -67,6 +78,7 @@ class FullScreenImageActivity : AppCompatActivity() {
                 onBackPressedDispatcher.onBackPressed()
                 true
             }
+
             R.id.share -> {
                 val shareUri = FileProvider.getUriForFile(
                     this,
@@ -84,12 +96,34 @@ class FullScreenImageActivity : AppCompatActivity() {
 
                 true
             }
+
+            R.id.save -> {
+                showWarningDialog()
+                true
+            }
+
             else -> {
                 super.onOptionsItemSelected(item)
             }
         }
     }
 
+    private fun showWarningDialog() {
+        val builder = AlertDialog.Builder(this)
+        builder.setTitle(R.string.nc_dialog_save_to_storage_title)
+        builder.setMessage(R.string.nc_dialog_save_to_storage_content)
+        builder.setPositiveButton(R.string.nc_dialog_save_to_storage_yes) { dialog: DialogInterface, which: Int ->
+            val fileName = intent.getStringExtra("FILE_NAME").toString()
+            saveImageToStorage(fileName)
+            dialog.dismiss()
+        }
+        builder.setNegativeButton(R.string.nc_dialog_save_to_storage_no) { dialog: DialogInterface, which: Int ->
+            dialog.dismiss()
+        }
+        val dialog = builder.create()
+        dialog.show()
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -188,6 +222,38 @@ class FullScreenImageActivity : AppCompatActivity() {
         }
     }
 
+    @SuppressLint("LongLogTag")
+    private fun saveImageToStorage(
+        fileName: String
+    ) {
+        val sourceFilePath = applicationContext.cacheDir.path
+
+        val workers = WorkManager.getInstance(this).getWorkInfosByTag(fileName)
+        try {
+            for (workInfo in workers.get()) {
+                if (workInfo.state == WorkInfo.State.RUNNING || workInfo.state == WorkInfo.State.ENQUEUED) {
+                    return
+                }
+            }
+        } catch (e: ExecutionException) {
+            Log.e(TAG, "Error when checking if worker already exists", e)
+        } catch (e: InterruptedException) {
+            Log.e(TAG, "Error when checking if worker already exists", e)
+        }
+
+        val data: Data = Data.Builder()
+            .putString(SaveFileToStorageWorker.KEY_FILE_NAME, fileName)
+            .putString(SaveFileToStorageWorker.KEY_SOURCE_FILE_PATH, "$sourceFilePath/$fileName")
+            .build()
+
+        val saveWorker: OneTimeWorkRequest = OneTimeWorkRequest.Builder(SaveFileToStorageWorker::class.java)
+            .setInputData(data)
+            .addTag(fileName)
+            .build()
+
+        WorkManager.getInstance().enqueue(saveWorker)
+    }
+
     companion object {
         private const val TAG = "FullScreenImageActivity"
         private const val HUNDRED_MB = 100 * 1024 * 1024

app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt

@@ -34,6 +34,7 @@ import android.annotation.SuppressLint
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
+import android.content.DialogInterface
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.content.res.AssetFileDescriptor
@@ -156,6 +157,7 @@ import com.nextcloud.talk.events.UserMentionClickEvent
 import com.nextcloud.talk.events.WebSocketCommunicationEvent
 import com.nextcloud.talk.extensions.loadAvatarOrImagePreview
 import com.nextcloud.talk.jobs.DownloadFileToCacheWorker
+import com.nextcloud.talk.jobs.SaveFileToStorageWorker
 import com.nextcloud.talk.jobs.ShareOperationWorker
 import com.nextcloud.talk.jobs.UploadAndShareFilesWorker
 import com.nextcloud.talk.location.LocationPickerActivity
@@ -2018,6 +2020,44 @@ class ChatActivity :
             }
     }
 
+    @SuppressLint("LongLogTag")
+    private fun saveImageToStorage(
+        message: ChatMessage
+    ) {
+        message.openWhenDownloaded = false
+        adapter?.update(message)
+
+        val fileName = message.selectedIndividualHashMap!!["name"]
+        val sourceFilePath = applicationContext.cacheDir.path
+        val fileId = message.selectedIndividualHashMap!!["id"]
+
+        val workers = WorkManager.getInstance(context).getWorkInfosByTag(fileId!!)
+        try {
+            for (workInfo in workers.get()) {
+                if (workInfo.state == WorkInfo.State.RUNNING || workInfo.state == WorkInfo.State.ENQUEUED) {
+                    Log.d(TAG, "SaveFileToStorageWorker for $fileId is already running or scheduled")
+                    return
+                }
+            }
+        } catch (e: ExecutionException) {
+            Log.e(TAG, "Error when checking if worker already exists", e)
+        } catch (e: InterruptedException) {
+            Log.e(TAG, "Error when checking if worker already exists", e)
+        }
+
+        val data: Data = Data.Builder()
+            .putString(SaveFileToStorageWorker.KEY_FILE_NAME, fileName)
+            .putString(SaveFileToStorageWorker.KEY_SOURCE_FILE_PATH, "$sourceFilePath/$fileName")
+            .build()
+
+        val saveWorker: OneTimeWorkRequest = OneTimeWorkRequest.Builder(SaveFileToStorageWorker::class.java)
+            .setInputData(data)
+            .addTag(fileId)
+            .build()
+
+        WorkManager.getInstance().enqueue(saveWorker)
+    }
+
     @SuppressLint("SimpleDateFormat")
     private fun setVoiceRecordFileName() {
         val simpleDateFormat = SimpleDateFormat(FILE_DATE_PATTERN)
@@ -4107,6 +4147,42 @@ class ChatActivity :
         }
     }
 
+    private fun saveImage(message: ChatMessage){
+        if (permissionUtil.isFilesPermissionGranted()) {
+            saveImageToStorage(message)
+        } else {
+            UploadAndShareFilesWorker.requestStoragePermission(this@ChatActivity)
+        }
+    }
+
+    private fun showSaveToStorageWarning(message: ChatMessage) {
+        val builder = AlertDialog.Builder(this)
+        builder.setTitle(R.string.nc_dialog_save_to_storage_title)
+        builder.setMessage(R.string.nc_dialog_save_to_storage_content)
+        builder.setPositiveButton(R.string.nc_dialog_save_to_storage_yes) { dialog: DialogInterface, _: Int ->
+            saveImage(message)
+            dialog.dismiss()
+        }
+        builder.setNegativeButton(R.string.nc_dialog_save_to_storage_no) { dialog: DialogInterface, _: Int ->
+            dialog.dismiss()
+        }
+        val dialog = builder.create()
+        dialog.show()
+    }
+
+    fun checkIfSaveable(message: ChatMessage) {
+        val filename = message.selectedIndividualHashMap!!["name"]
+        path = applicationContext.cacheDir.absolutePath + "/" + filename
+        val file = File(context.cacheDir, filename!!)
+        if (file.exists()) {
+            showSaveToStorageWarning(message)
+        } else {
+            downloadFileToCache(message ,false) {
+                showSaveToStorageWarning(message)
+            }
+        }
+    }
+
     fun openInFilesApp(message: ChatMessage) {
         val keyID = message.selectedIndividualHashMap!![PreviewMessageViewHolder.KEY_ID]
         val link = message.selectedIndividualHashMap!!["link"]

app/src/main/java/com/nextcloud/talk/jobs/SaveFileToStorageWorker.kt

@@ -0,0 +1,97 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Andy Scherzinger
+ * @author Marcel Hibbe
+ * Copyright (C) 2022 Andy Scherzinger <info@andy-scherzinger.de>
+ * Copyright (C) 2021 Marcel Hibbe <dev@mhibbe.de>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.nextcloud.talk.jobs
+
+import android.content.ContentValues
+import android.content.Context
+import android.media.MediaScannerConnection
+import android.os.Environment
+import android.provider.MediaStore
+import android.provider.MediaStore.Files.FileColumns
+import android.util.Log
+import androidx.work.Worker
+import androidx.work.WorkerParameters
+import autodagger.AutoInjector
+import com.nextcloud.talk.application.NextcloudTalkApplication
+import java.io.File
+import java.io.IOException
+import java.io.OutputStream
+import java.net.URLConnection
+
+@AutoInjector(NextcloudTalkApplication::class)
+class SaveFileToStorageWorker(val context: Context, workerParameters: WorkerParameters) :
+    Worker(context, workerParameters) {
+
+    override fun doWork(): Result {
+        try {
+            val sourceFilePath = inputData.getString(KEY_SOURCE_FILE_PATH)
+            val cacheFile = File(sourceFilePath!!)
+
+            val contentResolver = context.contentResolver
+            val mimeType = URLConnection.guessContentTypeFromName(cacheFile.name)
+
+            val values = ContentValues().apply {
+                put(FileColumns.DISPLAY_NAME, cacheFile.name)
+                put(FileColumns.RELATIVE_PATH, Environment.DIRECTORY_DOWNLOADS)
+                if (mimeType != null) {
+                    put(FileColumns.MIME_TYPE, URLConnection.guessContentTypeFromName(cacheFile.name))
+                }
+            }
+
+            val collection = MediaStore.Files.getContentUri("external")
+            val uri = contentResolver.insert(collection, values)
+
+            uri?.let { fileUri ->
+                try {
+                    val outputStream: OutputStream? = contentResolver.openOutputStream(fileUri)
+                    outputStream.use { output ->
+                        val inputStream = cacheFile.inputStream()
+                        if (output != null) {
+                            inputStream.copyTo(output)
+                        }
+                    }
+                } catch (e: Exception) {
+                    Log.e(TAG, "Failed to create output stream")
+                    return Result.failure()
+                }
+            }
+
+            // Notify the media scanner about the new file
+            MediaScannerConnection.scanFile(context, arrayOf(cacheFile.absolutePath), null, null)
+
+            return Result.success()
+        } catch (e: IOException) {
+            Log.e(TAG, "Something went wrong when trying to save file to internal storage", e)
+            return Result.failure()
+        } catch (e: NullPointerException) {
+            Log.e(TAG, "Something went wrong when trying to save file to internal storage", e)
+            return Result.failure()
+        }
+    }
+
+    companion object {
+        private val TAG = SaveFileToStorageWorker::class.java.simpleName
+        const val KEY_FILE_NAME = "KEY_FILE_NAME"
+        const val KEY_SOURCE_FILE_PATH = "KEY_SOURCE_FILE_PATH"
+    }
+}

app/src/main/java/com/nextcloud/talk/ui/dialog/MessageActionsDialog.kt

@@ -118,6 +118,7 @@ class MessageActionsDialog(
         initMenuItemOpenNcApp(
             ChatMessage.MessageType.SINGLE_NC_ATTACHMENT_MESSAGE == message.getCalculateMessageType()
         )
+        initMenuItemSave(message.getCalculateMessageType() == ChatMessage.MessageType.SINGLE_NC_ATTACHMENT_MESSAGE)
     }
 
     override fun onStart() {
@@ -169,6 +170,8 @@ class MessageActionsDialog(
         dialogMessageActionsBinding.emojiMore.installForceSingleEmoji()
     }
 
+
+
     /*
         This method is a hacky workaround to avoid bug #1914
         As the bug happens only for the very first time when the popup is opened,
@@ -352,6 +355,16 @@ class MessageActionsDialog(
         dialogMessageActionsBinding.menuOpenInNcApp.visibility = getVisibility(visible)
     }
 
+    private fun initMenuItemSave (visible:  Boolean) {
+        if (visible){
+            dialogMessageActionsBinding.menuSaveMessage.setOnClickListener {
+                chatActivity.checkIfSaveable(message)
+                dismiss()
+            }
+        }
+        dialogMessageActionsBinding.menuSaveMessage.visibility = getVisibility(visible)
+    }
+
     private fun getVisibility(visible: Boolean): Int {
         return if (visible) {
             View.VISIBLE

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

@@ -452,6 +452,39 @@
 
         </LinearLayout>
 
+        <LinearLayout
+            android:id="@+id/menu_save_message"
+            android:layout_width="match_parent"
+            android:layout_height="@dimen/bottom_sheet_item_height"
+            android:background="?android:attr/selectableItemBackground"
+            android:gravity="center_vertical"
+            android:orientation="horizontal"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:id="@+id/menu_icon_save_message"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:contentDescription="@null"
+                android:paddingStart="@dimen/standard_padding"
+                android:paddingEnd="@dimen/zero"
+                android:src="@drawable/ic_baseline_arrow_downward_24px"
+                app:tint="@color/high_emphasis_menu_icon" />
+
+            <androidx.appcompat.widget.AppCompatTextView
+                android:id="@+id/menu_text_save_message"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="start|center_vertical"
+                android:paddingStart="@dimen/standard_double_padding"
+                android:paddingEnd="@dimen/standard_padding"
+                android:text="@string/nc_save_message"
+                android:textAlignment="viewStart"
+                android:textColor="@color/high_emphasis_text"
+                android:textSize="@dimen/bottom_sheet_text_size" />
+
+        </LinearLayout>
+
     </LinearLayout>
 
 </LinearLayout>

app/src/main/res/menu/menu_preview.xml

@@ -22,4 +22,7 @@
     <item
         android:id="@+id/share"
         android:title="@string/share" />
+    <item
+        android:id="@+id/save"
+        android:title="@string/nc_save_message" />
 </menu>

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

@@ -519,6 +519,16 @@ How to translate with transifex:
     <string name="nc_phone_book_integration_chat_via">Chat via %s</string>
     <string name="nc_phone_book_integration_account_not_found">Account not found</string>
 
+    //save feature
+    <string name="nc_save_message">Save</string>
+    <string name="nc_dialog_save_to_storage_title">Save to storage?</string>
+    <string name="nc_dialog_save_to_storage_content">Saving this media to storage will allow any other apps on
+        your device to access it.\nContinue?</string>
+    <string name="nc_dialog_save_to_storage_yes">Yes</string>
+    <string name="nc_dialog_save_to_storage_no">No</string>
+
+
+
     <string name="starred">Favorite</string>
     <string name="user_status">Status</string>
     <string name="encrypted">Encrypted</string>