Resolve various memory leaks (#637)

This migrates the clipboard clear logic into a foreground service that allows us to also provide a notification that runs the clear task immediately on click, rather than wait for the timeout.

Co-authored-by: Aditya Wasan <adityawasan55@gmail.com>
Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

1 files changed, 28 insertions, 0 deletions

diff --git a/app/src/main/java/com/zeapo/pwdstore/utils/ClipboardUtils.kt b/app/src/main/java/com/zeapo/pwdstore/utils/ClipboardUtils.kt
new file mode 100644
index 00000000..d173a519
--- /dev/null
+++ b/app/src/main/java/com/zeapo/pwdstore/utils/ClipboardUtils.kt
@@ -0,0 +1,28 @@
+/*
+ * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+package com.zeapo.pwdstore.utils
+
+import android.content.ClipData
+import android.content.ClipboardManager
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import timber.log.Timber
+
+object ClipboardUtils {
+
+    suspend fun clearClipboard(clipboard: ClipboardManager, deepClear: Boolean = false) {
+        Timber.d("Clearing the clipboard")
+        val clip = ClipData.newPlainText("pgp_handler_result_pm", "")
+        clipboard.primaryClip = clip
+        if (deepClear) {
+            withContext(Dispatchers.IO) {
+                repeat(20) {
+                    val count = (it * 500).toString()
+                    clipboard.primaryClip = ClipData.newPlainText(count, count)
+                }
+            }
+        }
+    }
+}