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/*
* Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "WebDragClient.h"
#import "WebArchive.h"
#import "WebDOMOperations.h"
#import "WebFrame.h"
#import "WebFrameInternal.h"
#import "WebHTMLViewInternal.h"
#import "WebHTMLViewPrivate.h"
#import "WebKitLogging.h"
#import "WebNSPasteboardExtras.h"
#import "WebNSURLExtras.h"
#import "WebUIDelegate.h"
#import "WebUIDelegatePrivate.h"
#import "WebViewInternal.h"
#import <WebCore/ClipboardMac.h>
#import <WebCore/DragData.h>
#import <WebCore/EventHandler.h>
#import <WebCore/Frame.h>
#import <WebCore/FrameView.h>
#import <WebCore/Image.h>
#import <WebCore/Page.h>
using namespace WebCore;
WebDragClient::WebDragClient(WebView* webView)
: m_webView(webView)
{
}
static WebHTMLView *getTopHTMLView(Frame* frame)
{
ASSERT(frame);
ASSERT(frame->page());
return (WebHTMLView*)[[kit(frame->page()->mainFrame()) frameView] documentView];
}
WebCore::DragDestinationAction WebDragClient::actionMaskForDrag(WebCore::DragData* dragData)
{
return (WebCore::DragDestinationAction)[[m_webView _UIDelegateForwarder] webView:m_webView dragDestinationActionMaskForDraggingInfo:dragData->platformData()];
}
void WebDragClient::willPerformDragDestinationAction(WebCore::DragDestinationAction action, WebCore::DragData* dragData)
{
[[m_webView _UIDelegateForwarder] webView:m_webView willPerformDragDestinationAction:(WebDragDestinationAction)action forDraggingInfo:dragData->platformData()];
}
WebCore::DragSourceAction WebDragClient::dragSourceActionMaskForPoint(const IntPoint& windowPoint)
{
NSPoint viewPoint = [m_webView convertPoint:windowPoint fromView:nil];
return (DragSourceAction)[[m_webView _UIDelegateForwarder] webView:m_webView dragSourceActionMaskForPoint:viewPoint];
}
void WebDragClient::willPerformDragSourceAction(WebCore::DragSourceAction action, const WebCore::IntPoint& mouseDownPoint, WebCore::Clipboard* clipboard)
{
ASSERT(clipboard);
[[m_webView _UIDelegateForwarder] webView:m_webView willPerformDragSourceAction:(WebDragSourceAction)action fromPoint:mouseDownPoint withPasteboard:static_cast<WebCore::ClipboardMac*>(clipboard)->pasteboard()];
}
void WebDragClient::startDrag(DragImageRef dragImage, const IntPoint& at, const IntPoint& eventPos, Clipboard* clipboard, Frame* frame, bool linkDrag)
{
if (!frame)
return;
ASSERT(clipboard);
RetainPtr<WebHTMLView> htmlView = (WebHTMLView*)[[kit(frame) frameView] documentView];
if (![htmlView.get() isKindOfClass:[WebHTMLView class]])
return;
NSEvent *event = linkDrag ? frame->eventHandler()->currentNSEvent() : [htmlView.get() _mouseDownEvent];
WebHTMLView* topHTMLView = getTopHTMLView(frame);
RetainPtr<WebHTMLView> topViewProtector = topHTMLView;
[topHTMLView _stopAutoscrollTimer];
NSPasteboard *pasteboard = static_cast<ClipboardMac*>(clipboard)->pasteboard();
NSImage *dragNSImage = dragImage.get();
WebHTMLView *sourceHTMLView = htmlView.get();
id delegate = [m_webView UIDelegate];
SEL selector = @selector(webView:dragImage:at:offset:event:pasteboard:source:slideBack:forView:);
if ([delegate respondsToSelector:selector]) {
if ([m_webView _catchesDelegateExceptions]) {
@try {
[delegate webView:m_webView dragImage:dragNSImage at:at offset:NSZeroSize event:event pasteboard:pasteboard source:sourceHTMLView slideBack:YES forView:topHTMLView];
} @catch (id exception) {
ReportDiscardedDelegateException(selector, exception);
}
} else
[delegate webView:m_webView dragImage:dragNSImage at:at offset:NSZeroSize event:event pasteboard:pasteboard source:sourceHTMLView slideBack:YES forView:topHTMLView];
} else
[topHTMLView dragImage:dragNSImage at:at offset:NSZeroSize event:event pasteboard:pasteboard source:sourceHTMLView slideBack:YES];
}
DragImageRef WebDragClient::createDragImageForLink(KURL& url, const String& title, Frame* frame)
{
if (!frame)
return nil;
WebHTMLView *htmlView = (WebHTMLView *)[[kit(frame) frameView] documentView];
NSString *label = 0;
if (!title.isEmpty())
label = title;
NSURL *cocoaURL = url;
return [htmlView _dragImageForURL:[cocoaURL _web_userVisibleString] withLabel:label];
}
void WebDragClient::declareAndWriteDragImage(NSPasteboard* pasteboard, DOMElement* element, NSURL* URL, NSString* title, WebCore::Frame* frame)
{
ASSERT(pasteboard);
ASSERT(element);
WebHTMLView *source = getTopHTMLView(frame);
WebArchive *archive = [element webArchive];
[pasteboard _web_declareAndWriteDragImageForElement:element URL:URL title:title archive:archive source:source];
}
void WebDragClient::dragControllerDestroyed()
{
delete this;
}
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