MacViews: Implemented Drag & Drop

ui/base/dragdrop/os_exchange_data_provider_mac.mm

Index: ui/base/dragdrop/os_exchange_data_provider_mac.mm
diff --git a/ui/base/dragdrop/os_exchange_data_provider_mac.mm b/ui/base/dragdrop/os_exchange_data_provider_mac.mm
index 5be2c7994894db9f8d33df4df0781fdede8dd5b6..8671ddce54005e8b497b5a2d9745a8a6eb1791b5 100644
--- a/ui/base/dragdrop/os_exchange_data_provider_mac.mm
+++ b/ui/base/dragdrop/os_exchange_data_provider_mac.mm
@@ -7,11 +7,13 @@
 #import <Cocoa/Cocoa.h>
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/pickle.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 #import "ui/base/clipboard/clipboard_util_mac.h"
+#import "ui/base/dragdrop/cocoa_dnd_util.h"
 #include "url/gurl.h"
 
 namespace ui {
@@ -69,6 +71,17 @@ void OSExchangeDataProviderMac::SetPickledData(
   [pasteboard_->get() setData:ns_data forType:format.ToNSString()];
 }
 
+void OSExchangeDataProviderMac::SetDragImage(
+    const gfx::ImageSkia& image,
+    const gfx::Vector2d& cursor_offset) {
+  drag_image_ = image;
+  cursor_offset_ = cursor_offset;
+}
+
+void OSExchangeDataProviderMac::SetEvent(const Event& event) {
+  event_ = Event::Clone(event);
+}
+
 bool OSExchangeDataProviderMac::GetString(base::string16* data) const {
   DCHECK(data);
   NSString* item = [pasteboard_->get() stringForType:NSPasteboardTypeString];
@@ -76,7 +89,6 @@ bool OSExchangeDataProviderMac::GetString(base::string16* data) const {
     *data = base::SysNSStringToUTF16(item);
     return true;
   }
-
   // There was no NSString, check for an NSURL.

[tapted, 2016/05/24 08:06:00]

nit: put back blank line above?

[spqchan, 2016/05/26 01:56:53]

Done.

   GURL url;
   base::string16 title;
@@ -148,6 +160,23 @@ bool OSExchangeDataProviderMac::GetPickledData(
   return true;
 }
 
+const gfx::ImageSkia& OSExchangeDataProviderMac::GetDragImage() const {
+  return drag_image_;
+}
+
+const gfx::Vector2d& OSExchangeDataProviderMac::GetDragImageOffset() const {
+  return cursor_offset_;
+}
+
+const Event* OSExchangeDataProviderMac::GetEvent() const {
+  DCHECK(event_.get());
+  return event_.get();
+}
+
+NSData* OSExchangeDataProviderMac::GetNSDataForType(NSString* type) const {
+  return [pasteboard_->get() dataForType:type];
+}
+
 bool OSExchangeDataProviderMac::HasString() const {
   base::string16 string;
   return GetString(&string);
@@ -169,6 +198,27 @@ bool OSExchangeDataProviderMac::HasCustomFormat(
   return [[pasteboard_->get() types] containsObject:format.ToNSString()];
 }
 
+NSArray* OSExchangeDataProviderMac::GetPasteboardTypes() const {
+  return [pasteboard_->get() types];
+}
+
+std::unique_ptr<OSExchangeData>
+OSExchangeDataProviderMac::CreateDataFromPasteboard(NSPasteboard* pasteboard) {
+  OSExchangeDataProviderMac* provider = new OSExchangeDataProviderMac();
+
+  for (NSPasteboardItem* item in [pasteboard pasteboardItems])
+    ClipboardUtil::AddDataToPasteboard(provider->pasteboard_->get(), item);
+
+  return base::WrapUnique(new OSExchangeData(provider));
+}
+
+NSArray* OSExchangeDataProviderMac::SupportedPasteboardTypes() {
+  return @[
+    ui::ClipboardUtil::UTIForWebURLsAndTitles(), NSURLPboardType,
+    NSPasteboardTypeString, NSFilenamesPboardType
+  ];
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // OSExchangeData, public: