1 files changed, 81 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/ui/listeners/OpenFileOnClickListener.java b/src/main/java/de/thedevstack/conversationsplus/ui/listeners/OpenFileOnClickListener.java
new file mode 100644
index 00000000..e0dcd4bf
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/ui/listeners/OpenFileOnClickListener.java
@@ -0,0 +1,81 @@
+package de.thedevstack.conversationsplus.ui.listeners;
+
+import android.app.Activity;
+import android.content.ActivityNotFoundException;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.net.Uri;
+import android.view.View;
+import android.widget.Toast;
+
+import java.util.List;
+
+import de.thedevstack.conversationsplus.ConversationsPlusApplication;
+import de.thedevstack.conversationsplus.R;
+import de.thedevstack.conversationsplus.entities.DownloadableFile;
+import de.thedevstack.conversationsplus.entities.Message;
+import de.thedevstack.conversationsplus.persistance.FileBackend;
+import de.thedevstack.conversationsplus.providers.ConversationsPlusFileProvider;
+
+/**
+ */
+public class OpenFileOnClickListener implements View.OnClickListener {
+    private final Activity activity;
+    private final Message message;
+
+    public OpenFileOnClickListener(Activity activity, Message message) {
+        this.activity = activity;
+        this.message = message;
+    }
+
+    @Override
+    public void onClick(View view) {
+        this.openFile();
+    }
+
+    public void openFile() {
+        DownloadableFile file = FileBackend.getFile(message);
+        if (!file.exists()) {
+            Toast.makeText(this.activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
+            return;
+        }
+        boolean bInPrivateStorage = false;
+        if (file.getAbsolutePath().startsWith(FileBackend.getPrivateFileDirectoryPath())) {
+            bInPrivateStorage = true;
+        }
+        Intent openIntent = new Intent(Intent.ACTION_VIEW);
+        String mime = file.getMimeType();
+        if (mime == null) {
+            mime = "*/*";
+        }
+        Uri uri;
+        if (bInPrivateStorage) {
+            uri = ConversationsPlusFileProvider.createUriForPrivateFile(file);
+        } else {
+            uri = Uri.fromFile(file);
+        }
+        openIntent.setDataAndType(uri, mime);
+        PackageManager manager = this.activity.getPackageManager();
+        List<ResolveInfo> infos = manager.queryIntentActivities(openIntent, 0);
+        if (bInPrivateStorage) {
+            for (ResolveInfo info : infos) {
+                ConversationsPlusApplication.getAppContext().grantUriPermission(info.activityInfo.packageName, uri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
+            }
+        }
+        if (infos.size() == 0) {
+            openIntent.setDataAndType(uri, "*/*");
+        }
+        if (bInPrivateStorage) {
+            openIntent.putExtra(Intent.EXTRA_STREAM, uri);
+            openIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+        }
+        try {
+            this.activity.startActivity(openIntent);
+            return;
+        } catch (ActivityNotFoundException e) {
+            //ignored
+        }
+        Toast.makeText(this.activity, R.string.no_application_found_to_open_file, Toast.LENGTH_SHORT).show();
+    }
+}