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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef UI_VIEWS_COCOA_DRAG_DROP_CLIENT_MAC_H_ |
| 6 #define UI_VIEWS_COCOA_DRAG_DROP_CLIENT_MAC_H_ |
| 7 |
| 8 #import <Cocoa/Cocoa.h> |
| 9 |
| 10 #include "base/callback.h" |
| 11 #import "base/mac/scoped_nsobject.h" |
| 12 #include "base/macros.h" |
| 13 #include "ui/base/dragdrop/drag_drop_types.h" |
| 14 #include "ui/base/dragdrop/os_exchange_data.h" |
| 15 #include "ui/views/views_export.h" |
| 16 #include "ui/views/widget/drop_helper.h" |
| 17 |
| 18 // This class acts as a bridge between NSPasteboardItem and OSExchangeData by |
| 19 // implementing NSPasteboardItemDataProvider and writing data from |
| 20 // OSExchangeData into the pasteboard. |
| 21 VIEWS_EXPORT |
| 22 @interface CocoaDragDropDataProvider : NSObject<NSPasteboardItemDataProvider> |
| 23 - (id)initWithData:(const ui::OSExchangeData&)data; |
| 24 @end |
| 25 |
| 26 namespace gfx { |
| 27 class Point; |
| 28 } |
| 29 |
| 30 namespace views { |
| 31 namespace test { |
| 32 class DragDropClientMacTest; |
| 33 } |
| 34 |
| 35 class BridgedNativeWidget; |
| 36 class View; |
| 37 |
| 38 // Implements drag and drop on MacViews. This class acts as a bridge between |
| 39 // the Views and native system's drag and drop. This class mimics |
| 40 // DesktopDragDropClientAuraX11. |
| 41 class VIEWS_EXPORT DragDropClientMac { |
| 42 public: |
| 43 explicit DragDropClientMac(BridgedNativeWidget* bridge, View* root_view); |
| 44 ~DragDropClientMac(); |
| 45 |
| 46 // Initiates a drag and drop session. Returns the drag operation that was |
| 47 // applied at the end of the drag drop session. |
| 48 void StartDragAndDrop(View* view, |
| 49 const ui::OSExchangeData& data, |
| 50 int operation, |
| 51 ui::DragDropTypes::DragEventSource source); |
| 52 |
| 53 // Called when mouse is dragged during a drag and drop. |
| 54 NSDragOperation DragUpdate(id<NSDraggingInfo>); |
| 55 |
| 56 // Called when mouse is released during a drag and drop. |
| 57 NSDragOperation Drop(id<NSDraggingInfo> sender); |
| 58 |
| 59 // Called when the drag and drop session has ended. |
| 60 void EndDrag(); |
| 61 |
| 62 DropHelper* drop_helper() { return &drop_helper_; } |
| 63 |
| 64 private: |
| 65 friend class test::DragDropClientMacTest; |
| 66 |
| 67 // Converts the given NSPoint to the coordinate system in Views. |
| 68 gfx::Point LocationInView(NSPoint point) const; |
| 69 |
| 70 // Provides the data for the drag and drop session. |
| 71 base::scoped_nsobject<CocoaDragDropDataProvider> data_source_; |
| 72 |
| 73 // Used to handle drag and drop with Views. |
| 74 DropHelper drop_helper_; |
| 75 |
| 76 // The drag and drop operation. |
| 77 int operation_; |
| 78 |
| 79 // The bridge between the content view and the drag drop client. |
| 80 BridgedNativeWidget* bridge_; // Weak. Owns |this|. |
| 81 |
| 82 // The closure for the drag and drop's run loop. |
| 83 base::Closure quit_closure_; |
| 84 |
| 85 DISALLOW_COPY_AND_ASSIGN(DragDropClientMac); |
| 86 }; |
| 87 |
| 88 } // namespace views |
| 89 |
| 90 #endif // UI_VIEWS_COCOA_DRAG_DROP_CLIENT_MAC_H_ |
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