Merge pull request #1303 from atom/write-image

Add clipboard.writeImage API

atom/common/api/atom_api_clipboard.cc

@@ -69,6 +69,11 @@ gfx::Image ReadImage(ui::ClipboardType type) {
   return gfx::Image::CreateFrom1xBitmap(bitmap);
 }
 
+void WriteImage(const gfx::Image& image, ui::ClipboardType type) {
+  ui::ScopedClipboardWriter writer(type);
+  writer.WriteImage(image.AsBitmap());
+}
+
 void Clear(ui::ClipboardType type) {
   ui::Clipboard::GetForCurrentThread()->Clear(type);
 }
@@ -81,6 +86,7 @@ void Initialize(v8::Handle<v8::Object> exports, v8::Handle<v8::Value> unused,
   dict.SetMethod("_readText", &ReadText);
   dict.SetMethod("_writeText", &WriteText);
   dict.SetMethod("_readImage", &ReadImage);
+  dict.SetMethod("_writeImage", &WriteImage);
   dict.SetMethod("_clear", &Clear);
 }
 

atom/common/api/lib/clipboard.coffee

@@ -1,13 +1,9 @@
-if process.platform is 'linux' and process.type is 'renderer'
-  # On Linux we could not access clipboard in renderer process.
-  module.exports = require('remote').require 'clipboard'
-else
-  binding = process.atomBinding 'clipboard'
-
-  module.exports =
-    has: (format, type='standard') -> binding._has format, type
-    read: (format, type='standard') -> binding._read format, type
-    readText: (type='standard') -> binding._readText type
-    writeText: (text, type='standard') -> binding._writeText text, type
-    readImage: (type='standard') -> binding._readImage type
-    clear: (type='standard') -> binding._clear type
+binding = process.atomBinding 'clipboard'
+module.exports =
+  has: (format, type='standard') -> binding._has format, type
+  read: (format, type='standard') -> binding._read format, type
+  readText: (type='standard') -> binding._readText type
+  writeText: (text, type='standard') -> binding._writeText text, type
+  readImage: (type='standard') -> binding._readImage type
+  writeImage: (image, type='standard') -> binding._writeImage image, type
+  clear: (type='standard') -> binding._clear type

docs/api/clipboard.md

@@ -30,6 +30,19 @@ Returns the content in clipboard as plain text.
 
 Writes the `text` into clipboard as plain text.
 
+## clipboard.readImage([type])
+
+* `type` String
+
+Returns the content in clipboard as [NativeImage](native-image.md).
+
+## clipboard.writeImage(image[, type])
+
+* `image` [NativeImage](native-image.md)
+* `type` String
+
+Writes the `image` into clipboard.
+
 ## clipboard.clear([type])
 
 * `type` String

spec/api-clipboard-spec.coffee

@@ -1,7 +1,18 @@
 assert = require 'assert'
 clipboard = require 'clipboard'
+nativeImage = require 'native-image'
+path = require 'path'
 
 describe 'clipboard module', ->
+  fixtures = path.resolve __dirname, 'fixtures'
+
+  describe 'clipboard.readImage()', ->
+    it 'returns NativeImage intance', ->
+      p = path.join fixtures, 'assets', 'logo.png'
+      i = nativeImage.createFromPath p
+      clipboard.writeImage p
+      assert.equal clipboard.readImage().toDataUrl(), i.toDataUrl()
+
   describe 'clipboard.readText()', ->
     it 'returns unicode string correctly', ->
       text = '千江有水千江月，万里无云万里天'