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1 /*
2  * Copyright (C) 2009 Google Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef WebDocument_h
32 #define WebDocument_h
33 
34 #include "../platform/WebReferrerPolicy.h"
35 #include "../platform/WebVector.h"
36 #include "WebDraggableRegion.h"
37 #include "WebExceptionCode.h"
38 #include "WebNode.h"
39 #include "WebSecurityOrigin.h"
40 
41 #if BLINK_IMPLEMENTATION
42 namespace WebCore {
43 class Document;
44 class DocumentType;
45 }
46 namespace WTF { template <typename T> class PassRefPtr; }
47 #endif
48 
49 namespace v8 {
50 class Value;
51 template <class T> class Handle;
52 }
53 
54 namespace blink {
55 class WebAXObject;
56 class WebDocumentType;
57 class WebElement;
58 class WebFormElement;
59 class WebFrame;
60 class WebNodeCollection;
61 class WebNodeList;
62 class WebString;
63 class WebURL;
64 
65 // Provides readonly access to some properties of a DOM document.
66 class WebDocument : public WebNode {
67 public:
68     // FIXME: Stop using this from Chromium code and get rid of this enum.
69     enum UserStyleLevel {
70         UserStyleAuthorLevel
71     };
72 
WebDocument()73     WebDocument() { }
WebDocument(const WebDocument & e)74     WebDocument(const WebDocument& e) : WebNode(e) { }
75 
76     WebDocument& operator=(const WebDocument& e)
77     {
78         WebNode::assign(e);
79         return *this;
80     }
assign(const WebDocument & e)81     void assign(const WebDocument& e) { WebNode::assign(e); }
82 
83     BLINK_EXPORT WebURL url() const;
84     // Note: Security checks should use the securityOrigin(), not url().
85     BLINK_EXPORT WebSecurityOrigin securityOrigin() const;
86 
87     BLINK_EXPORT WebString encoding() const;
88     BLINK_EXPORT WebString contentLanguage() const;
89     BLINK_EXPORT WebString referrer() const;
90 
91     // The url of the OpenSearch Desription Document (if any).
92     BLINK_EXPORT WebURL openSearchDescriptionURL() const;
93 
94     // Returns the frame the document belongs to or 0 if the document is frameless.
95     BLINK_EXPORT WebFrame* frame() const;
96     BLINK_EXPORT bool isHTMLDocument() const;
97     BLINK_EXPORT bool isXHTMLDocument() const;
98     BLINK_EXPORT bool isPluginDocument() const;
99     BLINK_EXPORT WebURL baseURL() const;
100 
101     // The firstPartyForCookies is used to compute whether this document
102     // appears in a "third-party" context for the purpose of third-party
103     // cookie blocking.
104     BLINK_EXPORT WebURL firstPartyForCookies() const;
105 
106     BLINK_EXPORT WebElement documentElement() const;
107     BLINK_EXPORT WebElement body() const;
108     BLINK_EXPORT WebElement head();
109     BLINK_EXPORT WebString title() const;
110     BLINK_EXPORT WebNodeCollection all();
111     BLINK_EXPORT void forms(WebVector<WebFormElement>&) const;
112     BLINK_EXPORT void images(WebVector<WebElement>&);
113     BLINK_EXPORT WebURL completeURL(const WebString&) const;
114     BLINK_EXPORT WebElement getElementById(const WebString&) const;
115     BLINK_EXPORT WebNode focusedNode() const;
116     BLINK_EXPORT WebDocumentType doctype() const;
117     BLINK_EXPORT void cancelFullScreen();
118     BLINK_EXPORT WebElement fullScreenElement() const;
119     BLINK_EXPORT WebDOMEvent createEvent(const WebString& eventType);
120     BLINK_EXPORT WebReferrerPolicy referrerPolicy() const;
121     BLINK_EXPORT WebElement createElement(const WebString& tagName);
122 
123     // Accessibility support. These methods should only be called on the
124     // top-level document, because one accessibility cache spans all of
125     // the documents on the page.
126 
127     // Gets the accessibility object for this document.
128     BLINK_EXPORT WebAXObject accessibilityObject() const;
129 
130     // Gets the accessibility object for an object on this page by ID.
131     BLINK_EXPORT WebAXObject accessibilityObjectFromID(int axID) const;
132     // Inserts the given CSS source code as a stylesheet in the document.
133     // FIXME: Delete insertUserStyleSheet once Chromium code stops calling it.
134     BLINK_EXPORT void insertUserStyleSheet(const WebString& sourceCode, UserStyleLevel);
135     BLINK_EXPORT void insertStyleSheet(const WebString& sourceCode);
136 
137     // Arranges to call WebFrameClient::didMatchCSS(frame(), ...) when one of
138     // the selectors matches or stops matching an element in this document.
139     // Each call to this method overrides any previous calls.
140     BLINK_EXPORT void watchCSSSelectors(const WebVector<WebString>& selectors);
141 
142     BLINK_EXPORT WebVector<WebDraggableRegion> draggableRegions() const;
143 
144     BLINK_EXPORT v8::Handle<v8::Value> registerEmbedderCustomElement(const WebString& name, v8::Handle<v8::Value> options, WebExceptionCode&);
145 
146 #if BLINK_IMPLEMENTATION
147     WebDocument(const WTF::PassRefPtr<WebCore::Document>&);
148     WebDocument& operator=(const WTF::PassRefPtr<WebCore::Document>&);
149     operator WTF::PassRefPtr<WebCore::Document>() const;
150 #endif
151 };
152 
153 } // namespace blink
154 
155 #endif
156