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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
#include <unistd.h>
#include <glib.h>
#include <imgICache.h>
#include <nsComponentManagerUtils.h>
#include <nsCOMPtr.h>
#include <nsIDOMHTMLElement.h>
#include <nsIInterfaceRequestorUtils.h>
#include <nsIIOService.h>
#include <nsILocalFile.h>
#include <nsIMIMEHeaderParam.h>
#include <nsIProperties.h>
#include <nsISupportsPrimitives.h>
#include <nsIURI.h>
#include <nsIURL.h>
#include <nsServiceManagerUtils.h>
#include <nsStringAPI.h>
#include <config.h>
#include "GeckoDocumentObject.h"
#include "GeckoBrowserPersist.h"
GeckoDocumentObject::GeckoDocumentObject(SugarBrowser *browser, nsIDOMNode *node)
: mBrowser(browser),
mNode(node),
mImage(NULL)
{
}
GeckoDocumentObject::~GeckoDocumentObject()
{
}
bool GeckoDocumentObject::IsImage()
{
if(mImage) {
return true;
}
nsresult rv;
PRUint16 type;
rv = mNode->GetNodeType(&type);
if(NS_FAILED(rv)) return rv;
nsCOMPtr<nsIDOMHTMLElement> element = do_QueryInterface(mNode);
if ((nsIDOMNode::ELEMENT_NODE == type) && element) {
nsString uTag;
rv = element->GetLocalName(uTag);
if(NS_FAILED(rv)) return rv;
nsCString tag;
NS_UTF16ToCString (uTag, NS_CSTRING_ENCODING_UTF8, tag);
if (g_ascii_strcasecmp (tag.get(), "img") == 0) {
nsCOMPtr <nsIDOMHTMLImageElement> imagePtr;
imagePtr = do_QueryInterface(mNode, &rv);
if(NS_FAILED(rv)) return rv;
mImage = imagePtr;
return true;
}
}
return false;
}
static nsresult
NewURI(const char *uri, nsIURI **result)
{
nsresult rv;
nsCOMPtr<nsIServiceManager> mgr;
NS_GetServiceManager (getter_AddRefs (mgr));
NS_ENSURE_TRUE(mgr, FALSE);
nsCOMPtr<nsIIOService> ioService;
rv = mgr->GetServiceByContractID ("@mozilla.org/network/io-service;1",
NS_GET_IID (nsIIOService),
getter_AddRefs(ioService));
NS_ENSURE_SUCCESS(rv, FALSE);
nsCString cSpec(uri);
return ioService->NewURI (cSpec, nsnull, nsnull, result);
}
static nsresult
FilenameFromContentDisposition(nsCString contentDisposition, nsCString &fileName)
{
nsresult rv;
nsCString fallbackCharset;
nsCOMPtr<nsIMIMEHeaderParam> mimehdrpar =
do_GetService("@mozilla.org/network/mime-hdrparam;1");
NS_ENSURE_TRUE(mimehdrpar, NS_ERROR_FAILURE);
nsString aFileName;
rv = mimehdrpar->GetParameter (contentDisposition, "filename",
fallbackCharset, PR_TRUE, nsnull,
aFileName);
if (NS_FAILED(rv) || !fileName.Length()) {
rv = mimehdrpar->GetParameter (contentDisposition, "name",
fallbackCharset, PR_TRUE, nsnull,
aFileName);
}
if (NS_SUCCEEDED(rv) && fileName.Length()) {
NS_UTF16ToCString (aFileName, NS_CSTRING_ENCODING_UTF8, fileName);
}
return NS_OK;
}
char *
GeckoDocumentObject::GetImageName()
{
if(!IsImage()) {
return NULL;
}
nsresult rv;
char *imgURIStr = GetImageURI();
nsCOMPtr<nsIURI> imageURI;
rv = NewURI(imgURIStr, getter_AddRefs(imageURI));
NS_ENSURE_SUCCESS(rv, NULL);
nsCOMPtr<nsIServiceManager> mgr;
NS_GetServiceManager (getter_AddRefs (mgr));
NS_ENSURE_TRUE(mgr, NULL);
nsCOMPtr<imgICache> imgCache;
rv = mgr->GetServiceByContractID("@mozilla.org/image/cache;1",
NS_GET_IID (imgICache),
getter_AddRefs(imgCache));
NS_ENSURE_SUCCESS(rv, NULL);
nsCOMPtr<nsIProperties> imgProperties;
imgCache->FindEntryProperties(imageURI, getter_AddRefs(imgProperties));
if (imgProperties) {
nsCOMPtr<nsISupportsCString> dispositionCString;
imgProperties->Get("content-disposition",
NS_GET_IID(nsISupportsCString),
getter_AddRefs(dispositionCString));
if (dispositionCString) {
nsCString contentDisposition;
dispositionCString->GetData(contentDisposition);
FilenameFromContentDisposition(contentDisposition, mImageName);
}
}
if (!mImageName.Length()) {
nsCOMPtr<nsIURL> url(do_QueryInterface(imageURI));
if (url) {
url->GetFileName(mImageName);
}
}
return mImageName.Length() ? g_strdup(mImageName.get()) : NULL;
}
char *
GeckoDocumentObject::GetImageURI()
{
if(!IsImage()) {
return NULL;
}
if(!mImageURI.Length()) {
nsresult rv;
nsString img;
rv = mImage->GetSrc(img);
if (NS_FAILED(rv)) return NULL;
NS_UTF16ToCString (img, NS_CSTRING_ENCODING_UTF8, mImageURI);
}
return g_strdup(mImageURI.get());
}
bool
GeckoDocumentObject::SaveImage(const char *filename)
{
GeckoBrowserPersist browserPersist(mBrowser);
return browserPersist.SaveURI(mImageURI.get(), filename);
}
|
