From 608112d56c643fd7a50e11ba5071cc5870b68a73 Mon Sep 17 00:00:00 2001
From: Rongjian Zhang <pd4d10@gmail.com>
Date: Wed, 6 Jun 2018 12:39:26 +0800
Subject: [PATCH] Fix #843: Upload image on paste

---
 app/main.js         |  2 ++
 app/pasteManager.js | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 app/pasteManager.js

diff --git a/app/main.js b/app/main.js
index 353afa1a..d6ee9125 100644
--- a/app/main.js
+++ b/app/main.js
@@ -4,6 +4,7 @@ import app from './routes';
 import locale from '../common/locales';
 import fileManager from './fileManager';
 import dragManager from './dragManager';
+import pasteManager from './pasteManager';
 import { canHasSend } from './utils';
 import storage from './storage';
 import metrics from './metrics';
@@ -48,5 +49,6 @@ app.use(metrics);
 app.use(fileManager);
 app.use(dragManager);
 app.use(experiments);
+app.use(pasteManager);
 
 app.mount('body');
diff --git a/app/pasteManager.js b/app/pasteManager.js
new file mode 100644
index 00000000..ecae2476
--- /dev/null
+++ b/app/pasteManager.js
@@ -0,0 +1,24 @@
+/* global MAXFILESIZE */
+import { bytes } from './utils';
+
+export default function(state, emitter) {
+  window.addEventListener('paste', event => {
+    if (state.route !== '/' || state.uploading) return;
+
+    for (const item of event.clipboardData.items) {
+      if (!item.type.includes('image')) continue;
+
+      const file = item.getAsFile();
+
+      if (!file) continue; // Sometimes null
+
+      if (file.size > MAXFILESIZE) {
+        // eslint-disable-next-line no-alert
+        alert(state.translate('fileTooBig', { size: bytes(MAXFILESIZE) }));
+        continue;
+      }
+
+      emitter.emit('upload', { file, type: 'paste' });
+    }
+  });
+}