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Unified Diff: ui/views/cocoa/drag_drop_client_mac.h

Issue 1964283002: MacViews: Implemented Drag & Drop (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 7 months ago
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Index: ui/views/cocoa/drag_drop_client_mac.h
diff --git a/ui/views/cocoa/drag_drop_client_mac.h b/ui/views/cocoa/drag_drop_client_mac.h
new file mode 100644
index 0000000000000000000000000000000000000000..a8cd2cb2b8c05f4372009e6fdf1650b71cb882f5
--- /dev/null
+++ b/ui/views/cocoa/drag_drop_client_mac.h
@@ -0,0 +1,93 @@
+// 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.
+
+#ifndef UI_VIEWS_COCOA_DRAG_DROP_CLIENT_MAC_H_
+#define UI_VIEWS_COCOA_DRAG_DROP_CLIENT_MAC_H_
+
+#import <Cocoa/Cocoa.h>
+
+#import "base/mac/scoped_nsobject.h"
+#include "base/macros.h"
+#include "base/run_loop.h"
tapted 2016/06/02 00:24:51 nit: move to .mm? You might need #include "base/ca
spqchan 2016/06/02 22:01:19 Done.
+#include "ui/base/dragdrop/drag_drop_types.h"
+#include "ui/views/views_export.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.
+VIEWS_EXPORT
+@interface CocoaDragDropDataProvider : NSObject<NSPasteboardItemDataProvider>
+- (id)initWithData:(const ui::OSExchangeData&)data;
+@end
+
+namespace gfx {
+class Point;
+}
+
+namespace ui {
+class OSExchangeData;
+}
+
+namespace views {
+namespace test {
+class CocoaDragDropTest;
+}
+
+class BridgedNativeWidget;
+class DropHelper;
tapted 2016/06/02 00:24:51 nit: forward-declare class View; so we're not re
spqchan 2016/06/02 22:01:19 Done.
+
+// Implements drag and drop on MacViews. This class acts as a bridge between
+// the Views and native system's drag and drop. This class mimics
+// DesktopDragDropClientAuraX11.
+class VIEWS_EXPORT DragDropClientMac {
+ public:
+ explicit DragDropClientMac(BridgedNativeWidget* bridge, View* root_view);
+ ~DragDropClientMac();
+
+ // Initiates a drag and drop session. Returns the drag operation that was
+ // applied at the end of the drag drop session.
+ void StartDragAndDrop(View* view,
+ const ui::OSExchangeData& data,
+ int operation,
+ ui::DragDropTypes::DragEventSource source);
+
+ // Called when mouse is dragged during a drag and drop.
+ NSDragOperation DragUpdate(id<NSDraggingInfo>);
+
+ // Called when mouse is released during a drag and drop.
+ NSDragOperation Drop(id<NSDraggingInfo> sender);
+
+ // Called when the drag and drop session has ended.
+ void EndDrag();
+
+ DropHelper* drop_helper() { return drop_helper_.get(); }
+
+ private:
+ friend class test::CocoaDragDropTest;
+
+ // Converts the given NSPoint to the coordinate system in Views.
+ gfx::Point LocationInView(NSPoint point) const;
+
+ // Provides the data for the drag and drop session.
+ base::scoped_nsobject<CocoaDragDropDataProvider> data_source_;
+
+ // Used to handle drag and drop with Views.
+ std::unique_ptr<DropHelper> drop_helper_;
+
+ // The drag and drop operation.
+ int operation_;
+
+ // The bridge between the content view and the drag drop client.
+ BridgedNativeWidget* bridge_; // Weak. Owns |this|.
+
+ // The closure for the drag and drop's run loop.
+ base::Closure quit_closure_;
+
+ DISALLOW_COPY_AND_ASSIGN(DragDropClientMac);
+};
+
+} // namespace views
+
+#endif // UI_VIEWS_COCOA_DRAG_DROP_CLIENT_MAC_H_

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