Added export button in each file viewer

app/src/main/java/org/linphone/activities/main/files/fragments/ImageViewerFragment.kt

@@ -55,6 +55,9 @@ class ImageViewerFragment : SecureFragment<ImageViewerFragmentBinding>() {
         val filePath = sharedViewModel.fileToOpen.value
         filePath ?: return
 
+        (childFragmentManager.findFragmentById(R.id.top_bar_fragment) as? TopBarFragment)
+            ?.setFilePath(filePath)
+
         viewModel = ViewModelProvider(
             this,
             ImageFileViewModelFactory(filePath)

app/src/main/java/org/linphone/activities/main/files/fragments/PdfViewerFragment.kt

@@ -46,6 +46,9 @@ class PdfViewerFragment : SecureFragment<PdfViewerFragmentBinding>() {
         val filePath = sharedViewModel.fileToOpen.value
         filePath ?: return
 
+        (childFragmentManager.findFragmentById(R.id.top_bar_fragment) as? TopBarFragment)
+            ?.setFilePath(filePath)
+
         viewModel = ViewModelProvider(
             this,
             PdfFileViewModelFactory(filePath)

app/src/main/java/org/linphone/activities/main/files/fragments/TextViewerFragment.kt

@@ -46,6 +46,9 @@ class TextViewerFragment : SecureFragment<TextViewerFragmentBinding>() {
         val filePath = sharedViewModel.fileToOpen.value
         filePath ?: return
 
+        (childFragmentManager.findFragmentById(R.id.top_bar_fragment) as? TopBarFragment)
+            ?.setFilePath(filePath)
+
         viewModel = ViewModelProvider(
             this,
             TextFileViewModelFactory(filePath)

app/src/main/java/org/linphone/activities/main/files/fragments/TopBarFragment.kt

@@ -19,13 +19,24 @@
  */
 package org.linphone.activities.main.files.fragments
 
+import android.content.ActivityNotFoundException
+import android.content.Intent
+import android.net.Uri
 import android.os.Bundle
+import android.webkit.MimeTypeMap
 import androidx.navigation.fragment.findNavController
+import org.linphone.LinphoneApplication
 import org.linphone.R
 import org.linphone.activities.GenericFragment
+import org.linphone.activities.main.viewmodels.DialogViewModel
+import org.linphone.core.tools.Log
 import org.linphone.databinding.FileViewerTopBarFragmentBinding
+import org.linphone.utils.DialogUtils
+import org.linphone.utils.FileUtils
 
 class TopBarFragment : GenericFragment<FileViewerTopBarFragmentBinding>() {
+    private var filePath: String = ""
+
     override fun getLayoutId(): Int = R.layout.file_viewer_top_bar_fragment
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
@@ -36,5 +47,77 @@ class TopBarFragment : GenericFragment<FileViewerTopBarFragmentBinding>() {
         binding.setBackClickListener {
             findNavController().popBackStack()
         }
+
+        binding.setExportClickListener {
+            openFile(filePath)
+        }
+    }
+
+    fun setFilePath(newFilePath: String) {
+        Log.i("[File Viewer] File path is: $newFilePath")
+        filePath = newFilePath
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        outState.putString("FilePath", filePath)
+        super.onSaveInstanceState(outState)
+    }
+
+    override fun onViewStateRestored(savedInstanceState: Bundle?) {
+        super.onViewStateRestored(savedInstanceState)
+        filePath = savedInstanceState?.getString("FilePath") ?: filePath
+    }
+
+    private fun openFile(contentFilePath: String) {
+        val intent = Intent(Intent.ACTION_VIEW)
+        val contentUri: Uri = FileUtils.getPublicFilePath(requireContext(), contentFilePath)
+        val filePath: String = contentUri.toString()
+        Log.i("[File Viewer] Trying to open file: $filePath")
+        var type: String? = null
+        val extension = FileUtils.getExtensionFromFileName(filePath)
+
+        if (extension.isNotEmpty()) {
+            Log.i("[File Viewer] Found extension $extension")
+            type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension)
+        } else {
+            Log.e("[File Viewer] Couldn't find extension")
+        }
+
+        if (type != null) {
+            Log.i("[File Viewer] Found matching MIME type $type")
+        } else {
+            type = "file/$extension"
+            Log.e("[File Viewer] Can't get MIME type from extension: $extension, will use $type")
+        }
+
+        intent.setDataAndType(contentUri, type)
+        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+
+        try {
+            startActivity(intent)
+
+            if (LinphoneApplication.corePreferences.enableAnimations) {
+                requireActivity().overridePendingTransition(R.anim.enter_right, R.anim.exit_left)
+            }
+        } catch (anfe: ActivityNotFoundException) {
+            Log.e("[File Viewer] Couldn't find an activity to handle MIME type: $type")
+
+            val dialogViewModel = DialogViewModel(
+                getString(R.string.dialog_try_open_file_as_text_body), getString(
+                    R.string.dialog_try_open_file_as_text_title
+                )
+            )
+            val dialog = DialogUtils.getDialog(requireContext(), dialogViewModel)
+
+            dialogViewModel.showCancelButton {
+                dialog.dismiss()
+            }
+
+            dialogViewModel.showOkButton({
+                dialog.dismiss()
+            })
+
+            dialog.show()
+        }
     }
 }

app/src/main/java/org/linphone/activities/main/files/fragments/VideoViewerFragment.kt

@@ -47,6 +47,9 @@ class VideoViewerFragment : SecureFragment<VideoViewerFragmentBinding>() {
         val filePath = sharedViewModel.fileToOpen.value
         filePath ?: return
 
+        (childFragmentManager.findFragmentById(R.id.top_bar_fragment) as? TopBarFragment)
+            ?.setFilePath(filePath)
+
         viewModel = ViewModelProvider(
             this,
             VideoFileViewModelFactory(filePath)
@@ -58,6 +61,18 @@ class VideoViewerFragment : SecureFragment<VideoViewerFragmentBinding>() {
         isSecure = arguments?.getBoolean("Secure") ?: false
     }
 
+    override fun onResume() {
+        super.onResume()
+
+        binding.videoView.start()
+    }
+
+    override fun onPause() {
+        binding.videoView.pause()
+
+        super.onPause()
+    }
+
     private fun initVideoControls() {
         val mediaController = MediaController(requireContext())
         viewModel.initMediaController(mediaController, binding.videoView)

app/src/main/java/org/linphone/activities/main/files/viewmodels/VideoFileViewModel.kt

@@ -55,6 +55,5 @@ class VideoFileViewModel(val filePath: String) : ViewModel() {
         }
 
         videoView.setVideoPath(filePath)
-        videoView.start()
     }
 }

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

@@ -6,6 +6,9 @@
         <variable
             name="backClickListener"
             type="android.view.View.OnClickListener"/>
+        <variable
+            name="exportClickListener"
+            type="android.view.View.OnClickListener"/>
     </data>
 
     <LinearLayout
@@ -30,9 +33,20 @@
         <View
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="0.8"
+            android:layout_weight="0.6"
             android:visibility="invisible" />
 
+        <ImageView
+            android:id="@+id/export"
+            android:onClick="@{exportClickListener}"
+            android:contentDescription="@string/content_description_export"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="0.2"
+            android:background="?attr/button_background_drawable"
+            android:padding="18dp"
+            android:src="@drawable/settings_network" />
+
     </LinearLayout>
 
 </layout>

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

@@ -718,4 +718,5 @@
     <string name="content_description_take_screenshot">Take a screenshot of received video</string>
     <string name="content_description_close_bubble">Close notification bubble</string>
     <string name="content_description_open_app">Open conversation in app instead of bubble</string>
+    <string name="content_description_export">Export file in another app</string>
 </resources>