Index: ui/views/cocoa/drag_drop_client_mac.mm |
diff --git a/ui/views/cocoa/drag_drop_client_mac.mm b/ui/views/cocoa/drag_drop_client_mac.mm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..dfe1f7608357676b040949a52ed4f844e1e2cf8f |
--- /dev/null |
+++ b/ui/views/cocoa/drag_drop_client_mac.mm |
@@ -0,0 +1,134 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "ui/views/cocoa/drag_drop_client_mac.h" |
tapted
2016/05/24 08:06:02
nit: import
spqchan
2016/05/26 01:56:54
Done.
|
+ |
+#include "base/mac/mac_util.h" |
+#include "base/strings/sys_string_conversions.h" |
+#include "ui/base/dragdrop/os_exchange_data.h" |
+#include "ui/base/dragdrop/os_exchange_data_provider_mac.h" |
tapted
2016/05/24 08:06:02
nit:import
spqchan
2016/05/26 01:56:55
Done.
|
+#include "ui/gfx/image/image_skia_util_mac.h" |
+#include "ui/views/drag_utils.h" |
+#import "ui/views/cocoa/bridged_content_view.h" |
+#import "ui/views/cocoa/bridged_native_widget.h" |
+#include "ui/views/widget/drop_helper.h" |
+ |
+// This class acts as a bridge between NSPasteboardItem and OSExchangeData by |
+// implementing NSPasteboardItemDataProvider and writing data from |
+// OSExchangeData into the pasteboard. |
+@interface CocoaDragDropDataProvider () { |
+ std::unique_ptr<ui::OSExchangeData> data_; |
+} |
+ |
+@end |
+ |
+@implementation CocoaDragDropDataProvider |
+ |
+- (id)initWithData:(const ui::OSExchangeData&)data { |
+ if ((self = [super init])) { |
+ data_.reset(new OSExchangeData(data.provider().Clone())); |
+ } |
+ return self; |
+} |
+ |
+- (id)initWithPasteboard:(NSPasteboard*)pasteboard { |
+ if ((self = [super init])) { |
+ data_ = ui::OSExchangeDataProviderMac::CreateDataFromPasteboard(pasteboard); |
+ } |
+ return self; |
+} |
+ |
+- (ui::OSExchangeData*)data { |
+ return data_.get(); |
+} |
+ |
+- (void)pasteboard:(NSPasteboard*)sender |
tapted
2016/05/24 08:06:02
// NSPasteboardItemDataProvider protocol implement
spqchan
2016/05/26 01:56:55
Done.
|
+ item:(NSPasteboardItem*)item |
tapted
2016/05/24 08:06:02
nit: align colons
spqchan
2016/05/26 01:56:55
Done.
|
+ provideDataForType:(NSString*)type { |
+ const ui::OSExchangeDataProviderMac* provider = |
+ static_cast<const ui::OSExchangeDataProviderMac*>(&data_->provider()); |
+ NSData* ns_data = provider->GetNSDataForType(type); |
+ [sender setData:ns_data forType:type]; |
+} |
+ |
+@end |
+ |
+namespace views { |
+ |
+DragDropClientMac::DragDropClientMac(BridgedNativeWidget* bridge) |
+ : bridge_(bridge) { |
+ DCHECK(bridge); |
+ drop_helper_.reset(new DropHelper([bridge->ns_view() hostedView])); |
+} |
+ |
+DragDropClientMac::~DragDropClientMac() {} |
+ |
+void DragDropClientMac::StartDragAndDrop( |
+ const ui::OSExchangeData& data, |
+ const gfx::Point& location, |
+ int operation, |
+ ui::DragDropTypes::DragEventSource source) { |
+ data_source_.reset([[CocoaDragDropDataProvider alloc] initWithData:data]); |
+ operation_ = operation; |
+ |
+ const ui::OSExchangeDataProviderMac* provider = |
tapted
2016/05/24 08:06:02
const ui::OSExchangeDataProviderMac&
(i.e. cast t
spqchan
2016/05/26 01:56:54
Done.
|
+ static_cast<const ui::OSExchangeDataProviderMac*>(&data.provider()); |
+ const base::NativeEvent event = provider->GetEvent()->native_event(); |
tapted
2016/05/24 08:06:02
NSEvent* event?
(`const` and NS* objects tend not
spqchan
2016/05/26 01:56:54
Removed
|
+ |
+ NSImage* image = gfx::NSImageFromImageSkiaWithColorSpace( |
+ provider->GetDragImage(), base::mac::GetSRGBColorSpace()); |
+ |
+ base::scoped_nsobject<NSPasteboardItem> item([[NSPasteboardItem alloc] init]); |
+ [item setDataProvider:data_source_.get() |
+ forTypes:provider->GetPasteboardTypes()]; |
+ |
+ base::scoped_nsobject<NSDraggingItem> dragItem( |
+ [[NSDraggingItem alloc] initWithPasteboardWriter:item.get()]); |
+ NSRect draggingFrame = |
+ NSMakeRect([event locationInWindow].x, |
+ [event locationInWindow].y - [image size].height, |
+ [image size].width, [image size].height); |
+ [dragItem setDraggingFrame:draggingFrame contents:image]; |
+ |
+ [bridge_->ns_view() beginDraggingSessionWithItems:@[ dragItem.get() ] |
+ event:event |
+ source:nil]; |
tapted
2016/05/24 08:06:02
looks like source: must be non-nil to compile agai
spqchan
2016/05/26 01:56:55
Done.
|
+} |
+ |
+NSDragOperation DragDropClientMac::DragUpdate(id<NSDraggingInfo> sender) { |
+ int drag_operation = ui::DragDropTypes::DRAG_NONE; |
+ |
+ // Since dragging from non MacView sources does not generate OSExchangeData, |
+ // we need to generate one based on the provided pasteboard. |
+ if (!data_source_.get()) { |
+ data_source_.reset([[CocoaDragDropDataProvider alloc] |
+ initWithPasteboard:[sender draggingPasteboard]]); |
+ } |
+ |
+ drag_operation = drop_helper_->OnDragOver( |
+ *[data_source_ data], LocationInView([sender draggingLocation]), |
+ operation_); |
+ return ui::DragDropTypes::DragOperationToNSDragOperation(drag_operation); |
+} |
+ |
+NSDragOperation DragDropClientMac::Drop(id<NSDraggingInfo> sender) { |
+ int drag_operation = drop_helper_->OnDrop( |
+ *[data_source_ data], LocationInView([sender draggingLocation]), |
+ operation_); |
+ return ui::DragDropTypes::DragOperationToNSDragOperation(drag_operation); |
+} |
+ |
+void DragDropClientMac::EndDrag() { |
+ data_source_.reset(); |
+} |
+ |
+void DragDropClientMac::SetRootView(View* view) { |
+ drop_helper_.reset(new DropHelper(view)); |
+} |
+ |
+gfx::Point DragDropClientMac::LocationInView(NSPoint point) const { |
+ return gfx::Point(point.x, NSHeight([bridge_->ns_window() frame]) - point.y); |
+} |
+ |
+} // namespace views |