Enable custom MIME types in web copy/paste.

ui/base/clipboard/clipboard_mac.mm

Index: ui/base/clipboard/clipboard_mac.mm
diff --git a/ui/base/clipboard/clipboard_mac.mm b/ui/base/clipboard/clipboard_mac.mm
index d249cb40e717bebaad53aaccce06953d0ae88b30..77a89b25fcc100f546067d9cc1a1222e2a3feec6 100644
--- a/ui/base/clipboard/clipboard_mac.mm
+++ b/ui/base/clipboard/clipboard_mac.mm
@@ -15,6 +15,7 @@
 #include "base/utf_string_conversions.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/base/clipboard/custom_data_helper.h"
 #include "ui/gfx/canvas_skia.h"
 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 #include "ui/gfx/size.h"
@@ -30,6 +31,8 @@ NSString* const kUTTypeURLName = @"public.url-name";
 // actual data associated with this type.
 NSString* const kWebSmartPastePboardType = @"NeXT smart paste pasteboard type";
 
+NSString* const kWebCustomDataType = @"org.chromium.web-custom-data";

[tony, 2011/12/05 20:24:50]

Same bug comment here (they can share a bug).

[dcheng, 2011/12/05 20:51:04]

Done.

+
 NSPasteboard* GetPasteboard() {
   // The pasteboard should not be nil in a UI session, but this handy DCHECK
   // can help track down problems if someone tries using clipboard code outside
@@ -222,6 +225,13 @@ void Clipboard::ReadAvailableTypes(Clipboard::Buffer buffer,
   if ([NSImage canInitWithPasteboard:GetPasteboard()])
     types->push_back(UTF8ToUTF16(kMimeTypePNG));
   *contains_filenames = false;
+
+  NSPasteboard* pb = GetPasteboard();
+  if ([[pb types] containsObject:kWebCustomDataType]) {
+    NSData* data = [pb dataForType:kWebCustomDataType];
+    if ([data length])
+      ReadCustomDataTypes([data bytes], [data length], types);
+  }
 }
 
 void Clipboard::ReadText(Clipboard::Buffer buffer, string16* result) const {
@@ -307,8 +317,14 @@ SkBitmap Clipboard::ReadImage(Buffer buffer) const {
 void Clipboard::ReadCustomData(Buffer buffer,
                                const string16& type,
                                string16* result) const {
-  // TODO(dcheng): Implement this.
-  NOTIMPLEMENTED();
+  DCHECK_EQ(buffer, BUFFER_STANDARD);
+
+  NSPasteboard* pb = GetPasteboard();
+  if ([[pb types] containsObject:kWebCustomDataType]) {
+    NSData* data = [pb dataForType:kWebCustomDataType];
+    if ([data length])
+      ReadCustomDataForType([data bytes], [data length], type, result);
+  }
 }
 
 void Clipboard::ReadBookmark(string16* title, std::string* url) const {
@@ -414,4 +430,9 @@ Clipboard::FormatType Clipboard::GetWebKitSmartPasteFormatType() {
   return base::SysNSStringToUTF8(kWebSmartPastePboardType);
 }
 
+// static
+Clipboard::FormatType Clipboard::GetWebCustomDataFormatType() {
+  return base::SysNSStringToUTF8(kWebCustomDataType);
+}
+
 }  // namespace ui