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723e5877e9
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@280 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
64 lines
2.3 KiB
Objective-C
64 lines
2.3 KiB
Objective-C
// 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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#import <Cocoa/Cocoa.h>
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#include "base/string16.h"
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class GURL;
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struct WebDropData;
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@class BrowserWebView;
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class WebViewHost;
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// A class that handles tracking and event processing for a drag and drop
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// over the content area. Assumes something else initiates the drag, this is
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// only for processing during a drag.
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@interface WebDropTarget : NSObject {
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@private
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// Our associated WebView. Weak reference.
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BrowserWebView* view_;
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// Keep track of the WebViewHost we're dragging over. If it changes during a
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// drag, we need to re-send the DragEnter message.
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WebViewHost* current_wvh_;
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// True if the drag has been canceled.
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bool canceled_;
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}
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// |view| is the WebView representing this browser window, used to communicate
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// drag&drop messages to WebCore and handle navigation on a successful drop
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// (if necessary).
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- (id)initWithWebView:(BrowserWebView*)view;
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// Messages to send during the tracking of a drag, ususally upon receiving
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// calls from the view system. Communicates the drag messages to WebCore.
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- (NSDragOperation)draggingEntered:(id<NSDraggingInfo>)info
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view:(NSView*)view;
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- (void)draggingExited:(id<NSDraggingInfo>)info;
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- (NSDragOperation)draggingUpdated:(id<NSDraggingInfo>)info
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view:(NSView*)view;
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- (BOOL)performDragOperation:(id<NSDraggingInfo>)info
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view:(NSView*)view;
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@end
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// Public use only for unit tests.
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@interface WebDropTarget(Testing)
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// Given |data|, which should not be nil, fill it in using the contents of the
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// given pasteboard.
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- (void)populateWebDropData:(WebDropData*)data
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fromPasteboard:(NSPasteboard*)pboard;
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// Given a point in window coordinates and a view in that window, return a
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// flipped point in the coordinate system of |view|.
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- (NSPoint)flipWindowPointToView:(const NSPoint&)windowPoint
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view:(NSView*)view;
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// Given a point in window coordinates and a view in that window, return a
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// flipped point in screen coordinates.
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- (NSPoint)flipWindowPointToScreen:(const NSPoint&)windowPoint
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view:(NSView*)view;
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@end
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