Feature/contextual overlays (#295)

* Update theme

* Update theme

* Compile compacts

* Update changelog

* Update theme

* Add overlay context items and their bindings

* Replace default with null and add changelog

1 files changed, 65 insertions, 0 deletions

diff --git a/app/src/main/kotlin/com/pitchedapps/frost/enums/OverlayContext.kt b/app/src/main/kotlin/com/pitchedapps/frost/enums/OverlayContext.kt
new file mode 100644
index 00000000..cc71b19e
--- /dev/null
+++ b/app/src/main/kotlin/com/pitchedapps/frost/enums/OverlayContext.kt
@@ -0,0 +1,65 @@
+package com.pitchedapps.frost.enums
+
+import android.content.Context
+import android.view.Menu
+import android.view.MenuItem
+import ca.allanwang.kau.utils.toDrawable
+import com.mikepenz.iconics.typeface.IIcon
+import com.pitchedapps.frost.R
+import com.pitchedapps.frost.facebook.FbItem
+import com.pitchedapps.frost.web.FrostWebViewCore
+
+/**
+ * Created by Allan Wang on 2017-09-16.
+ *
+ * Options for [WebOverlayActivityBase] to give more info as to what kind of
+ * overlay is present.
+ *
+ * For now, this is able to add new menu options upon first load
+ */
+enum class OverlayContext(private val menuItem: FrostMenuItem?) {
+
+    NOTIFICATION(FrostMenuItem(R.id.action_notification, FbItem.NOTIFICATIONS.icon, R.string.notifications) { webview ->
+        webview.loadUrl(FbItem.NOTIFICATIONS.url, true)
+    }),
+    MESSAGE(FrostMenuItem(R.id.action_messages, FbItem.MESSAGES.icon, R.string.messages) { webview ->
+        webview.loadUrl(FbItem.MESSAGES.url, true)
+    });
+
+    /**
+     * Inject the [menuItem] in the order that they are given at the front of the menu
+     */
+    fun onMenuCreate(context: Context, menu: Menu) {
+        menuItem?.addToMenu(context, menu, 0)
+    }
+
+    companion object {
+
+        val values = OverlayContext.values() //save one instance
+        /**
+         * Execute selection call for an item by id
+         * Returns [true] if selection was consumed, [false] otherwise
+         */
+        fun onOptionsItemSelected(webview: FrostWebViewCore, id: Int): Boolean {
+            val consumer = values.firstOrNull { id == it.menuItem?.id } ?: return false
+            consumer.menuItem!!.onClick(webview)
+            return true
+        }
+    }
+}
+
+/**
+ * Frame for an injectable menu item
+ */
+class FrostMenuItem(
+        val id: Int,
+        val iicon: IIcon,
+        val stringRes: Int,
+        val showAsAction: Int = MenuItem.SHOW_AS_ACTION_ALWAYS,
+        val onClick: (webview: FrostWebViewCore) -> Unit) {
+    fun addToMenu(context: Context, menu: Menu, index: Int) {
+        val item = menu.add(Menu.NONE, id, index, stringRes)
+        item.icon = iicon.toDrawable(context, 18)
+        item.setShowAsAction(showAsAction)
+    }
+}
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