| // Copyright (c) 2012 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 CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_MAC_H_ |
| #define CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_MAC_H_ |
| |
| #import <Cocoa/Cocoa.h> |
| |
| #include <memory> |
| |
| #include "base/files/file_path.h" |
| #include "base/mac/scoped_cftyperef.h" |
| #include "base/mac/scoped_nsobject.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/common/content_export.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| class RenderWidgetHostImpl; |
| class WebContentsImpl; |
| struct DropData; |
| } |
| |
| // A class that handles tracking and event processing for a drag and drop |
| // originating from the content area. |
| CONTENT_EXPORT |
| @interface WebDragSource : NSObject { |
| @private |
| // Our contents. Weak reference (owns or co-owns us). |
| // An instance of this class may outlive |contents_|. The destructor of |
| // |contents_| must set this ivar to |nullptr|. |
| content::WebContentsImpl* contents_; |
| |
| // The view from which the drag was initiated. Weak reference. |
| // An instance of this class may outlive |contentsView_|. The destructor of |
| // |contentsView_| must set this ivar to |nullptr|. |
| NSView* contentsView_; |
| |
| // Our drop data. Should only be initialized once. |
| std::unique_ptr<content::DropData> dropData_; |
| |
| // The image to show as drag image. Can be nil. |
| base::scoped_nsobject<NSImage> dragImage_; |
| |
| // The offset to draw |dragImage_| at. |
| NSPoint imageOffset_; |
| |
| // Our pasteboard. |
| base::scoped_nsobject<NSPasteboard> pasteboard_; |
| |
| // A mask of the allowed drag operations. |
| NSDragOperation dragOperationMask_; |
| |
| // The file name to be saved to for a drag-out download. |
| base::FilePath downloadFileName_; |
| |
| // The URL to download from for a drag-out download. |
| GURL downloadURL_; |
| |
| // The file UTI associated with the file drag, if any. |
| base::ScopedCFTypeRef<CFStringRef> fileUTI_; |
| |
| // Tracks the RenderWidgetHost where the current drag started. |
| base::WeakPtr<content::RenderWidgetHostImpl> dragStartRWH_; |
| } |
| |
| // Initialize a WebDragSource object for a drag (originating on the given |
| // contentsView and with the given dropData and pboard). Fill the pasteboard |
| // with data types appropriate for dropData. |
| - (id)initWithContents:(content::WebContentsImpl*)contents |
| view:(NSView*)contentsView |
| dropData:(const content::DropData*)dropData |
| sourceRWH:(content::RenderWidgetHostImpl*)sourceRWH |
| image:(NSImage*)image |
| offset:(NSPoint)offset |
| pasteboard:(NSPasteboard*)pboard |
| dragOperationMask:(NSDragOperation)dragOperationMask; |
| |
| // Call when the web contents is gone. |
| - (void)clearWebContentsView; |
| |
| // Returns a mask of the allowed drag operations. |
| - (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal; |
| |
| // Call when asked to do a lazy write to the pasteboard; hook up to |
| // -pasteboard:provideDataForType: (on the contentsView). |
| - (void)lazyWriteToPasteboard:(NSPasteboard*)pboard |
| forType:(NSString*)type; |
| |
| // Start the drag (on the originally provided contentsView); can do this right |
| // after -initWithContentsView:.... |
| - (void)startDrag; |
| |
| // End the drag and clear the pasteboard; hook up to |
| // -draggedImage:endedAt:operation:. |
| - (void)endDragAt:(NSPoint)screenPoint |
| operation:(NSDragOperation)operation; |
| |
| // Call to drag a promised file to the given path (should be called before |
| // -endDragAt:...); hook up to -namesOfPromisedFilesDroppedAtDestination:. |
| // Returns the file name (not including path) of the file deposited (or which |
| // will be deposited). |
| - (NSString*)dragPromisedFileTo:(NSString*)path; |
| |
| @end |
| |
| #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_MAC_H_ |