[Message Actions] Copy events to clipboard (#665)

* Add `Copy` action for text events

* Remove 'Copy' action from the list for non-text events

* Use `@ContributesBinding` to inject `AndroidClipboardHelper`.

libraries/androidutils/src/main/kotlin/io/element/android/libraries/androidutils/clipboard/AndroidClipboardHelper.kt

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.androidutils.clipboard
+
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
+import androidx.core.content.getSystemService
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.libraries.di.AppScope
+import io.element.android.libraries.di.ApplicationContext
+import io.element.android.libraries.di.SingleIn
+import javax.inject.Inject
+
+@ContributesBinding(AppScope::class)
+@SingleIn(AppScope::class)
+class AndroidClipboardHelper @Inject constructor(
+    @ApplicationContext private val context: Context,
+) : ClipboardHelper {
+
+    private val clipboardManager = requireNotNull(context.getSystemService<ClipboardManager>())
+
+    override fun copyPlainText(text: String) {
+        clipboardManager.setPrimaryClip(ClipData.newPlainText("", text))
+    }
+}

libraries/androidutils/src/main/kotlin/io/element/android/libraries/androidutils/clipboard/ClipboardHelper.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.androidutils.clipboard
+
+/**
+ * Wrapper class for handling clipboard operations so it can be used in JVM environments.
+ */
+interface ClipboardHelper {
+    fun copyPlainText(text: String)
+
+}

libraries/androidutils/src/main/kotlin/io/element/android/libraries/androidutils/clipboard/FakeClipboardHelper.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.androidutils.clipboard
+
+class FakeClipboardHelper : ClipboardHelper {
+
+    var clipboardContents: Any? = null
+
+    override fun copyPlainText(text: String) {
+        clipboardContents = text
+    }
+}