clipboard: api to write multiple formats to same writer

atom/common/api/atom_api_clipboard.cc

@@ -7,6 +7,7 @@
 
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
+#include "base/strings/utf_string_conversions.h"
 #include "native_mate/arguments.h"
 #include "native_mate/dictionary.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ -50,9 +51,35 @@ std::string Read(const std::string& format_string,
   return data;
 }
 
+void Write(const mate::Dictionary& data,
+           mate::Arguments* args) {
+  ui::ScopedClipboardWriter writer(GetClipboardType(args));
+  base::string16 text, html;
+  gfx::Image image;
+
+  if (data.Get("text", &text))
+    writer.WriteText(text);
+
+  if (data.Get("html", &html))
+    writer.WriteHTML(html, std::string());
+
+  if (data.Get("image", &image))
+    writer.WriteImage(image.AsBitmap());
+}
+
 base::string16 ReadText(mate::Arguments* args) {
   base::string16 data;
-  ui::Clipboard::GetForCurrentThread()->ReadText(GetClipboardType(args), &data);
+  ui::Clipboard* clipboard = ui::Clipboard::GetForCurrentThread();
+  auto type = GetClipboardType(args);
+  if (clipboard->IsFormatAvailable(
+      ui::Clipboard::GetPlainTextWFormatType(), type)) {
+    clipboard->ReadText(type, &data);
+  } else if (clipboard->IsFormatAvailable(
+             ui::Clipboard::GetPlainTextFormatType(), type)) {
+    std::string result;
+    clipboard->ReadAsciiText(type, &result);
+    data = base::ASCIIToUTF16(result);
+  }
   return data;
 }
 
@@ -99,6 +126,7 @@ void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
   dict.SetMethod("availableFormats", &AvailableFormats);
   dict.SetMethod("has", &Has);
   dict.SetMethod("read", &Read);
+  dict.SetMethod("write", &Write);
   dict.SetMethod("readText", &ReadText);
   dict.SetMethod("writeText", &WriteText);
   dict.SetMethod("readHtml", &ReadHtml);

docs/api/clipboard.md

@@ -88,3 +88,17 @@ console.log(clipboard.has('<p>selection</p>'));
 Reads the `data` in clipboard.
 
 **Note:** This API is experimental and could be removed in future.
+
+## clipboard.write(data[, type])
+
+* `data` Object
+  * `text` String
+  * `html` String
+  * `image` [NativeImage](native-image.md)
+* `type` String
+
+```javascript
+var clipboard = require('clipboard');
+clipboard.write({text: 'test', html: "<b>test</b>"});
+```
+Writes the `data` iinto clipboard.

spec/api-clipboard-spec.coffee

@@ -32,3 +32,21 @@ describe 'clipboard module', ->
           '<string>Hi</string>'
       clipboard.writeHtml text
       assert.equal clipboard.readHtml(), markup
+
+  describe 'clipboard.write()', ->
+    it 'returns data correctly', ->
+      text = 'test'
+      p = path.join fixtures, 'assets', 'logo.png'
+      i = nativeImage.createFromPath p
+      markup =
+        if process.platform is 'darwin'
+          '<meta charset=\'utf-8\'><b>Hi</b>'
+        else if process.platform is 'linux'
+          '<meta http-equiv="content-type" ' +
+          'content="text/html; charset=utf-8"><b>Hi</b>'
+        else
+          '<b>Hi</b>'
+      clipboard.write {text: "test", html: '<b>Hi</b>', image: p}
+      assert.equal clipboard.readText(), text
+      assert.equal clipboard.readHtml(), markup
+      assert.equal clipboard.readImage().toDataUrl(), i.toDataUrl()