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37 :
38 : #include "MediaDocument.h"
39 : #include "nsGkAtoms.h"
40 : #include "nsNodeInfoManager.h"
41 : #include "nsContentCreatorFunctions.h"
42 : #include "nsHTMLMediaElement.h"
43 : #include "nsIDocShellTreeItem.h"
44 : #include "nsContentUtils.h"
45 : #include "mozilla/dom/Element.h"
46 :
47 : namespace mozilla {
48 : namespace dom {
49 :
50 : class VideoDocument : public MediaDocument
51 0 : {
52 : public:
53 : virtual nsresult StartDocumentLoad(const char* aCommand,
54 : nsIChannel* aChannel,
55 : nsILoadGroup* aLoadGroup,
56 : nsISupports* aContainer,
57 : nsIStreamListener** aDocListener,
58 : bool aReset = true,
59 : nsIContentSink* aSink = nsnull);
60 : virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject);
61 :
62 : protected:
63 :
64 : // Sets document <title> to reflect the file name and description.
65 : void UpdateTitle(nsIChannel* aChannel);
66 :
67 : nsresult CreateSyntheticVideoDocument(nsIChannel* aChannel,
68 : nsIStreamListener** aListener);
69 :
70 : nsRefPtr<MediaDocumentStreamListener> mStreamListener;
71 : };
72 :
73 : nsresult
74 0 : VideoDocument::StartDocumentLoad(const char* aCommand,
75 : nsIChannel* aChannel,
76 : nsILoadGroup* aLoadGroup,
77 : nsISupports* aContainer,
78 : nsIStreamListener** aDocListener,
79 : bool aReset,
80 : nsIContentSink* aSink)
81 : {
82 : nsresult rv =
83 : MediaDocument::StartDocumentLoad(aCommand, aChannel, aLoadGroup, aContainer,
84 0 : aDocListener, aReset, aSink);
85 0 : NS_ENSURE_SUCCESS(rv, rv);
86 :
87 0 : mStreamListener = new MediaDocumentStreamListener(this);
88 :
89 : // Create synthetic document
90 : rv = CreateSyntheticVideoDocument(aChannel,
91 0 : getter_AddRefs(mStreamListener->mNextStream));
92 0 : NS_ENSURE_SUCCESS(rv, rv);
93 :
94 0 : NS_ADDREF(*aDocListener = mStreamListener);
95 0 : return rv;
96 : }
97 :
98 : void
99 0 : VideoDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
100 : {
101 : // Set the script global object on the superclass before doing
102 : // anything that might require it....
103 0 : MediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
104 :
105 0 : if (aScriptGlobalObject && !nsContentUtils::IsChildOfSameType(this)) {
106 0 : LinkStylesheet(NS_LITERAL_STRING("resource://gre/res/TopLevelVideoDocument.css"));
107 : }
108 0 : }
109 :
110 : nsresult
111 0 : VideoDocument::CreateSyntheticVideoDocument(nsIChannel* aChannel,
112 : nsIStreamListener** aListener)
113 : {
114 : // make our generic document
115 0 : nsresult rv = MediaDocument::CreateSyntheticDocument();
116 0 : NS_ENSURE_SUCCESS(rv, rv);
117 :
118 0 : Element* body = GetBodyElement();
119 0 : if (!body) {
120 0 : NS_WARNING("no body on video document!");
121 0 : return NS_ERROR_FAILURE;
122 : }
123 :
124 : // make content
125 0 : nsCOMPtr<nsINodeInfo> nodeInfo;
126 : nodeInfo = mNodeInfoManager->GetNodeInfo(nsGkAtoms::video, nsnull,
127 : kNameSpaceID_XHTML,
128 0 : nsIDOMNode::ELEMENT_NODE);
129 0 : NS_ENSURE_TRUE(nodeInfo, NS_ERROR_FAILURE);
130 :
131 : nsRefPtr<nsHTMLMediaElement> element =
132 : static_cast<nsHTMLMediaElement*>(NS_NewHTMLVideoElement(nodeInfo.forget(),
133 0 : NOT_FROM_PARSER));
134 0 : if (!element)
135 0 : return NS_ERROR_OUT_OF_MEMORY;
136 0 : element->SetAutoplay(true);
137 0 : element->SetControls(true);
138 0 : element->LoadWithChannel(aChannel, aListener);
139 0 : UpdateTitle(aChannel);
140 :
141 0 : if (nsContentUtils::IsChildOfSameType(this)) {
142 : // Video documents that aren't toplevel should fill their frames and
143 : // not have margins
144 : element->SetAttr(kNameSpaceID_None, nsGkAtoms::style,
145 0 : NS_LITERAL_STRING("position:absolute; top:0; left:0; width:100%; height:100%"),
146 0 : true);
147 : }
148 :
149 0 : return body->AppendChildTo(element, false);
150 : }
151 :
152 : void
153 0 : VideoDocument::UpdateTitle(nsIChannel* aChannel)
154 : {
155 0 : if (!aChannel)
156 0 : return;
157 :
158 0 : nsAutoString fileName;
159 0 : GetFileName(fileName);
160 0 : SetTitle(fileName);
161 : }
162 :
163 : } // namespace dom
164 : } // namespace mozilla
165 :
166 : nsresult
167 0 : NS_NewVideoDocument(nsIDocument** aResult)
168 : {
169 0 : mozilla::dom::VideoDocument* doc = new mozilla::dom::VideoDocument();
170 :
171 0 : NS_ADDREF(doc);
172 0 : nsresult rv = doc->Init();
173 :
174 0 : if (NS_FAILED(rv)) {
175 0 : NS_RELEASE(doc);
176 : }
177 :
178 0 : *aResult = doc;
179 :
180 0 : return rv;
181 : }
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