From 49db15daa55bce8c30aa897ddba43268ceee0182 Mon Sep 17 00:00:00 2001
From: Masafumi Oyamada <stillpedant@gmail.com>
Date: Thu, 8 Oct 2015 23:50:27 +0900
Subject: [PATCH] Install toolbar button on first run

---
 content/keysnail.js                    | 46 ++++++++++++++++++++++++++
 defaults/preferences/keysnail-prefs.js |  1 +
 2 files changed, 47 insertions(+)

diff --git a/content/keysnail.js b/content/keysnail.js
index 217003d..d1a085c 100644
--- a/content/keysnail.js
+++ b/content/keysnail.js
@@ -140,6 +140,7 @@
 
             document.addEventListener("copy", function () { command.clipboardChanged(); }, true);
             hook.callHook("KeySnailInitialized");
+            this.ensureToolbarButtonInstalled();
         },
 
         /**
@@ -167,6 +168,51 @@
             }
         },
 
+        // ------------------------------------------------------------ //
+        // Toolbar button {{{
+        // ------------------------------------------------------------ //
+
+        get isFirstRun() {
+            return util.getBoolPref("extensions.keysnail.first_run", true);
+        },
+
+        set isFirstRun(val) {
+            return util.setBoolPref("extensions.keysnail.first_run", val);
+        },
+
+        ensureToolbarButtonInstalled: function () {
+            if (this.isFirstRun) {
+                this.installToolbarButton();
+                this.isFirstRun = false;
+            }
+        },
+
+        toolbarButtonId: "keysnail-toolbar-button",
+
+        getToolbarButton: function () { return document.getElementById(this.toolbarButtonId); },
+
+        get toolbarButtonInstalled() { return !!this.getToolbarButton(); },
+
+        installToolbarButton: function () {
+            if (this.toolbarButtonInstalled)
+                return;
+
+            let navBar = document.getElementById("nav-bar");
+            navBar.insertItem(this.toolbarButtonId, null, null, false);
+
+            this.makeToolbarButtonsPersistent();
+        },
+
+        makeToolbarButtonsPersistent: function () {
+            let navBar = document.getElementById("nav-bar");
+            navBar.setAttribute("currentset", navBar.currentSet);
+            document.persist("nav-bar", "currentset");
+        },
+
+        // ------------------------------------------------------------ //
+        // }}} Toolbar button
+        // ------------------------------------------------------------ //
+
         /**
          * Create context menu
          */
diff --git a/defaults/preferences/keysnail-prefs.js b/defaults/preferences/keysnail-prefs.js
index 0d54190..d9390f3 100644
--- a/defaults/preferences/keysnail-prefs.js
+++ b/defaults/preferences/keysnail-prefs.js
@@ -1,3 +1,4 @@
+pref("extensions.keysnail.first_run", true);
 pref("extensions.keysnail.userscript.location", "");
 pref("extensions.keysnail.keyhandler.global_enabled", true);
 pref("extensions.keysnail.keyhandler.low_priority", false);