1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* Copyright (C) 2007 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.
*/
#include "config.h"
#include "WebDropSource.h"
#include "WebKitDLL.h"
#include "WebView.h"
#include <WebCore/DragActions.h>
#include <WebCore/EventHandler.h>
#include <WebCore/Frame.h>
#include <WebCore/Page.h>
#include <WebCore/PlatformMouseEvent.h>
#include <WebCore/SystemTime.h>
#include <Windows.h>
using namespace WebCore;
HRESULT WebDropSource::createInstance(WebView* webView, IDropSource** result)
{
if (!webView || !result)
return E_INVALIDARG;
*result = new WebDropSource(webView);
return S_OK;
}
WebDropSource::WebDropSource(WebView* webView)
: m_ref(1)
, m_dropped(false)
, m_webView(webView)
{
gClassCount++;
}
WebDropSource::~WebDropSource()
{
gClassCount--;
}
STDMETHODIMP WebDropSource::QueryInterface(REFIID riid, void** ppvObject)
{
*ppvObject = 0;
if (IsEqualIID(riid, IID_IUnknown) ||
IsEqualIID(riid, IID_IDropSource)) {
*ppvObject = this;
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
STDMETHODIMP_(ULONG) WebDropSource::AddRef(void)
{
return InterlockedIncrement(&m_ref);
}
STDMETHODIMP_(ULONG) WebDropSource::Release(void)
{
long c = InterlockedDecrement(&m_ref);
if (c == 0)
delete this;
return c;
}
PlatformMouseEvent generateMouseEvent(WebView* webView, bool isDrag) {
POINTL pt;
::GetCursorPos((LPPOINT)&pt);
POINTL localpt = pt;
HWND viewWindow;
if (SUCCEEDED(webView->viewWindow((OLE_HANDLE*)&viewWindow)))
::ScreenToClient(viewWindow, (LPPOINT)&localpt);
return PlatformMouseEvent(IntPoint(localpt.x, localpt.y), IntPoint(pt.x, pt.y),
isDrag ? LeftButton : NoButton, MouseEventMoved, 0, false, false, false, false, currentTime());
}
STDMETHODIMP WebDropSource::QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState)
{
if(fEscapePressed)
return DRAGDROP_S_CANCEL;
if(!(grfKeyState & (MK_LBUTTON|MK_RBUTTON))) {
m_dropped = true;
if (Page* page = m_webView->page())
if (Frame* frame = page->mainFrame())
//FIXME: We need to figure out how to find out what actually happened in the drag <rdar://problem/5015961>
frame->eventHandler()->dragSourceEndedAt(generateMouseEvent(m_webView.get(), false), DragOperationCopy);
return DRAGDROP_S_DROP;
} else if (Page* page = m_webView->page())
if (Frame* frame = page->mainFrame())
frame->eventHandler()->dragSourceMovedTo(generateMouseEvent(m_webView.get(), true));
return S_OK;
}
STDMETHODIMP WebDropSource::GiveFeedback(DWORD)
{
return DRAGDROP_S_USEDEFAULTCURSORS;
}
|
