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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 "WebFrame.h"
     39 #include "WebNode.h"
     40 #include "WebSecurityOrigin.h"
     41 
     42 #if BLINK_IMPLEMENTATION
     43 namespace WebCore {
     44 class Document;
     45 class DocumentType;
     46 }
     47 namespace WTF { template <typename T> class PassRefPtr; }
     48 #endif
     49 
     50 namespace v8 {
     51 class Value;
     52 template <class T> class Handle;
     53 }
     54 
     55 namespace blink {
     56 class WebAXObject;
     57 class WebDocumentType;
     58 class WebElement;
     59 class WebFormElement;
     60 class WebElementCollection;
     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     WebDocument() { }
     69     WebDocument(const WebDocument& e) : WebNode(e) { }
     70 
     71     WebDocument& operator=(const WebDocument& e)
     72     {
     73         WebNode::assign(e);
     74         return *this;
     75     }
     76     void assign(const WebDocument& e) { WebNode::assign(e); }
     77 
     78     BLINK_EXPORT WebURL url() const;
     79     // Note: Security checks should use the securityOrigin(), not url().
     80     BLINK_EXPORT WebSecurityOrigin securityOrigin() const;
     81 
     82     BLINK_EXPORT WebString encoding() const;
     83     BLINK_EXPORT WebString contentLanguage() const;
     84     BLINK_EXPORT WebString referrer() const;
     85     BLINK_EXPORT WebColor themeColor() const;
     86     // TODO: Remove when chromium is changed to themeColor().
     87     BLINK_EXPORT WebColor brandColor() const { return 0; }
     88     // The url of the OpenSearch Desription Document (if any).
     89     BLINK_EXPORT WebURL openSearchDescriptionURL() const;
     90 
     91     // Returns the frame the document belongs to or 0 if the document is frameless.
     92     BLINK_EXPORT WebLocalFrame* frame() const;
     93     BLINK_EXPORT bool isHTMLDocument() const;
     94     BLINK_EXPORT bool isXHTMLDocument() const;
     95     BLINK_EXPORT bool isPluginDocument() const;
     96     BLINK_EXPORT WebURL baseURL() const;
     97 
     98     // The firstPartyForCookies is used to compute whether this document
     99     // appears in a "third-party" context for the purpose of third-party
    100     // cookie blocking.
    101     BLINK_EXPORT WebURL firstPartyForCookies() const;
    102 
    103     BLINK_EXPORT WebElement documentElement() const;
    104     BLINK_EXPORT WebElement body() const;
    105     BLINK_EXPORT WebElement head();
    106     BLINK_EXPORT WebString title() const;
    107     BLINK_EXPORT WebElementCollection all();
    108     BLINK_EXPORT void forms(WebVector<WebFormElement>&) const;
    109     BLINK_EXPORT void images(WebVector<WebElement>&);
    110     BLINK_EXPORT WebURL completeURL(const WebString&) const;
    111     BLINK_EXPORT WebElement getElementById(const WebString&) const;
    112     BLINK_EXPORT WebElement focusedElement() const;
    113     BLINK_EXPORT WebDocumentType doctype() const;
    114     BLINK_EXPORT void cancelFullScreen();
    115     BLINK_EXPORT WebElement fullScreenElement() const;
    116     BLINK_EXPORT WebDOMEvent createEvent(const WebString& eventType);
    117     BLINK_EXPORT WebReferrerPolicy referrerPolicy() const;
    118     BLINK_EXPORT WebElement createElement(const WebString& tagName);
    119 
    120     // Accessibility support. These methods should only be called on the
    121     // top-level document, because one accessibility cache spans all of
    122     // the documents on the page.
    123 
    124     // Gets the accessibility object for this document.
    125     BLINK_EXPORT WebAXObject accessibilityObject() const;
    126 
    127     // Gets the accessibility object for an object on this page by ID.
    128     BLINK_EXPORT WebAXObject accessibilityObjectFromID(int axID) const;
    129     // Inserts the given CSS source code as a stylesheet in the document.
    130     BLINK_EXPORT void insertStyleSheet(const WebString& sourceCode);
    131 
    132     // Arranges to call WebFrameClient::didMatchCSS(frame(), ...) when one of
    133     // the selectors matches or stops matching an element in this document.
    134     // Each call to this method overrides any previous calls.
    135     BLINK_EXPORT void watchCSSSelectors(const WebVector<WebString>& selectors);
    136 
    137     BLINK_EXPORT WebVector<WebDraggableRegion> draggableRegions() const;
    138 
    139     BLINK_EXPORT v8::Handle<v8::Value> registerEmbedderCustomElement(const WebString& name, v8::Handle<v8::Value> options, WebExceptionCode&);
    140 
    141 #if BLINK_IMPLEMENTATION
    142     WebDocument(const PassRefPtrWillBeRawPtr<WebCore::Document>&);
    143     WebDocument& operator=(const PassRefPtrWillBeRawPtr<WebCore::Document>&);
    144     operator PassRefPtrWillBeRawPtr<WebCore::Document>() const;
    145 #endif
    146 };
    147 
    148 } // namespace blink
    149 
    150 #endif
    151