content/html/document/src/VideoDocument.cpp

branch
TOR_BUG_9701
changeset 15
b8a032363ba2
equal deleted inserted replaced
-1:000000000000 0:9f9da5c9bd4b
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #include "MediaDocument.h"
7 #include "nsGkAtoms.h"
8 #include "nsNodeInfoManager.h"
9 #include "nsContentCreatorFunctions.h"
10 #include "mozilla/dom/HTMLMediaElement.h"
11 #include "nsIDocumentInlines.h"
12 #include "nsContentUtils.h"
13 #include "mozilla/dom/Element.h"
14
15 namespace mozilla {
16 namespace dom {
17
18 class VideoDocument MOZ_FINAL : public MediaDocument
19 {
20 public:
21 virtual nsresult StartDocumentLoad(const char* aCommand,
22 nsIChannel* aChannel,
23 nsILoadGroup* aLoadGroup,
24 nsISupports* aContainer,
25 nsIStreamListener** aDocListener,
26 bool aReset = true,
27 nsIContentSink* aSink = nullptr);
28 virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject);
29
30 protected:
31
32 // Sets document <title> to reflect the file name and description.
33 void UpdateTitle(nsIChannel* aChannel);
34
35 nsresult CreateSyntheticVideoDocument(nsIChannel* aChannel,
36 nsIStreamListener** aListener);
37
38 nsRefPtr<MediaDocumentStreamListener> mStreamListener;
39 };
40
41 nsresult
42 VideoDocument::StartDocumentLoad(const char* aCommand,
43 nsIChannel* aChannel,
44 nsILoadGroup* aLoadGroup,
45 nsISupports* aContainer,
46 nsIStreamListener** aDocListener,
47 bool aReset,
48 nsIContentSink* aSink)
49 {
50 nsresult rv =
51 MediaDocument::StartDocumentLoad(aCommand, aChannel, aLoadGroup, aContainer,
52 aDocListener, aReset, aSink);
53 NS_ENSURE_SUCCESS(rv, rv);
54
55 mStreamListener = new MediaDocumentStreamListener(this);
56
57 // Create synthetic document
58 rv = CreateSyntheticVideoDocument(aChannel,
59 getter_AddRefs(mStreamListener->mNextStream));
60 NS_ENSURE_SUCCESS(rv, rv);
61
62 NS_ADDREF(*aDocListener = mStreamListener);
63 return rv;
64 }
65
66 void
67 VideoDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject)
68 {
69 // Set the script global object on the superclass before doing
70 // anything that might require it....
71 MediaDocument::SetScriptGlobalObject(aScriptGlobalObject);
72
73 if (aScriptGlobalObject) {
74 if (!nsContentUtils::IsChildOfSameType(this) &&
75 GetReadyStateEnum() != nsIDocument::READYSTATE_COMPLETE) {
76 LinkStylesheet(NS_LITERAL_STRING("resource://gre/res/TopLevelVideoDocument.css"));
77 LinkStylesheet(NS_LITERAL_STRING("chrome://global/skin/media/TopLevelVideoDocument.css"));
78 }
79 BecomeInteractive();
80 }
81 }
82
83 nsresult
84 VideoDocument::CreateSyntheticVideoDocument(nsIChannel* aChannel,
85 nsIStreamListener** aListener)
86 {
87 // make our generic document
88 nsresult rv = MediaDocument::CreateSyntheticDocument();
89 NS_ENSURE_SUCCESS(rv, rv);
90
91 Element* body = GetBodyElement();
92 if (!body) {
93 NS_WARNING("no body on video document!");
94 return NS_ERROR_FAILURE;
95 }
96
97 // make content
98 nsCOMPtr<nsINodeInfo> nodeInfo;
99 nodeInfo = mNodeInfoManager->GetNodeInfo(nsGkAtoms::video, nullptr,
100 kNameSpaceID_XHTML,
101 nsIDOMNode::ELEMENT_NODE);
102
103 nsRefPtr<HTMLMediaElement> element =
104 static_cast<HTMLMediaElement*>(NS_NewHTMLVideoElement(nodeInfo.forget(),
105 NOT_FROM_PARSER));
106 if (!element)
107 return NS_ERROR_OUT_OF_MEMORY;
108 element->SetAutoplay(true);
109 element->SetControls(true);
110 element->LoadWithChannel(aChannel, aListener);
111 UpdateTitle(aChannel);
112
113 if (nsContentUtils::IsChildOfSameType(this)) {
114 // Video documents that aren't toplevel should fill their frames and
115 // not have margins
116 element->SetAttr(kNameSpaceID_None, nsGkAtoms::style,
117 NS_LITERAL_STRING("position:absolute; top:0; left:0; width:100%; height:100%"),
118 true);
119 }
120
121 return body->AppendChildTo(element, false);
122 }
123
124 void
125 VideoDocument::UpdateTitle(nsIChannel* aChannel)
126 {
127 if (!aChannel)
128 return;
129
130 nsAutoString fileName;
131 GetFileName(fileName);
132 SetTitle(fileName);
133 }
134
135 } // namespace dom
136 } // namespace mozilla
137
138 nsresult
139 NS_NewVideoDocument(nsIDocument** aResult)
140 {
141 mozilla::dom::VideoDocument* doc = new mozilla::dom::VideoDocument();
142
143 NS_ADDREF(doc);
144 nsresult rv = doc->Init();
145
146 if (NS_FAILED(rv)) {
147 NS_RELEASE(doc);
148 }
149
150 *aResult = doc;
151
152 return rv;
153 }

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