92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
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// Copyright (c) 2011 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CEF_LIBCEF_WEB_DRAG_SOURCE_MAC_H_
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#define CEF_LIBCEF_WEB_DRAG_SOURCE_MAC_H_
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#pragma once
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#import <Cocoa/Cocoa.h>
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#include "base/file_path.h"
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#include "base/memory/scoped_nsobject.h"
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#include "base/memory/scoped_ptr.h"
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#include "googleurl/src/gurl.h"
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#include "ui/gfx/native_widget_types.h"
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struct WebDropData;
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@class BrowserWebView;
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// A class that handles tracking and event processing for a drag and drop
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// originating from the content area.
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@interface WebDragSource : NSObject {
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@private
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// Our web view. Weak reference (owns or co-owns us).
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BrowserWebView* view_;
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// Our drop data. Should only be initialized once.
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scoped_ptr<WebDropData> dropData_;
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// The image to show as drag image. Can be nil.
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scoped_nsobject<NSImage> dragImage_;
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// The offset to draw |dragImage_| at.
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NSPoint imageOffset_;
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// Our pasteboard.
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scoped_nsobject<NSPasteboard> pasteboard_;
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// A mask of the allowed drag operations.
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NSDragOperation dragOperationMask_;
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// The file name to be saved to for a drag-out download.
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FilePath downloadFileName_;
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// The URL to download from for a drag-out download.
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GURL downloadURL_;
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// The file extension associated with the file drag, if any.
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NSString* fileExtension_;
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}
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// Initialize a WebDragSource object for a drag (originating on the given
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// BrowserWebView and with the given dropData and pboard). Fill the pasteboard
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// with data types appropriate for dropData.
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- (id)initWithWebView:(BrowserWebView*)view
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dropData:(const WebDropData*)dropData
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image:(NSImage*)image
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offset:(NSPoint)offset
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pasteboard:(NSPasteboard*)pboard
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dragOperationMask:(NSDragOperation)dragOperationMask;
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// Returns a mask of the allowed drag operations.
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- (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal;
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// Call when asked to do a lazy write to the pasteboard; hook up to
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// -pasteboard:provideDataForType: (on the BrowserWebView).
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- (void)lazyWriteToPasteboard:(NSPasteboard*)pboard
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forType:(NSString*)type;
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// Start the drag (on the originally provided BrowserWebView); can do this right
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// after -initWithContentsView:....
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- (void)startDrag;
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// End the drag and clear the pasteboard; hook up to
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// -draggedImage:endedAt:operation:.
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- (void)endDragAt:(NSPoint)screenPoint
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operation:(NSDragOperation)operation;
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// Drag moved; hook up to -draggedImage:movedTo:.
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- (void)moveDragTo:(NSPoint)screenPoint;
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// Call to drag a promised file to the given path (should be called before
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// -endDragAt:...); hook up to -namesOfPromisedFilesDroppedAtDestination:.
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// Returns the file name (not including path) of the file deposited (or which
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// will be deposited).
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- (NSString*)dragPromisedFileTo:(NSString*)path;
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@end
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#endif // CEF_LIBCEF_WEB_DRAG_SOURCE_MAC_H_
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