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|
/* This file is part of the KDE project
*
* Copyright (C) 1998, 1999 Torben Weis <[email protected]>
* 1999-2001 Lars Knoll <[email protected]>
* 1999-2001 Antti Koivisto <[email protected]>
* 2000-2001 Simon Hausmann <[email protected]>
* 2000-2001 Dirk Mueller <[email protected]>
* 2000 Stefan Schimanski <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __tdehtml_part_h__
#define __tdehtml_part_h__
#include "dom/html_document.h"
#include "dom/dom2_range.h"
#include <tdeparts/part.h>
#include <tdeparts/browserextension.h>
#include <kdemacros.h>
#include <kfinddialog.h>
#include <tqregexp.h>
class TDEHTMLPartPrivate;
class TDEHTMLPartBrowserExtension;
class KJSProxy;
class TDEHTMLView;
class TDEHTMLSettings;
class KJavaAppletContext;
class KJSErrorDlg;
namespace DOM
{
class HTMLDocument;
class HTMLDocumentImpl;
class DocumentImpl;
class HTMLTitleElementImpl;
class HTMLElementImpl;
class HTMLFrameElementImpl;
class HTMLIFrameElementImpl;
class HTMLObjectElementImpl;
class HTMLFormElementImpl;
class HTMLAnchorElementImpl;
class HTMLMetaElementImpl;
class NodeImpl;
class Node;
class HTMLEventListener;
class EventListener;
}
namespace KJS
{
class Interpreter;
}
namespace tdehtml
{
class DocLoader;
class RenderPart;
class RenderPartObject;
class ChildFrame;
class MouseEvent;
class MousePressEvent;
class MouseDoubleClickEvent;
class MouseMoveEvent;
class MouseReleaseEvent;
class DrawContentsEvent;
class CachedObject;
class RenderWidget;
class CSSStyleSelector;
class HTMLTokenizer;
class Decoder;
class XMLTokenizer;
}
namespace KJS {
class Window;
class WindowFunc;
class ExternalFunc;
class JSEventListener;
class JSLazyEventListener;
class JSNodeFilter;
class DOMDocument;
class SourceFile;
class ScheduledAction;
}
namespace KParts
{
class PartManager;
class LiveConnectExtension;
}
namespace TDEWallet
{
class Wallet;
}
/**
* This class is tdehtml's main class. It features an almost complete
* web browser, and html renderer.
*
* The easiest way to use this class (if you just want to display an HTML
* page at some URL) is the following:
*
* \code
* KURL url = "http://www.kde.org";
* TDEHTMLPart *w = new TDEHTMLPart();
* w->openURL(url);
* w->view()->resize(500, 400);
* w->show();
* \endcode
*
* Java and JavaScript are enabled by default depending on the user's
* settings. If you do not need them, and especially if you display
* unfiltered data from untrusted sources, it is strongly recommended to
* turn them off. In that case, you should also turn off the automatic
* redirect and plugins:
*
* \code
* w->setJScriptEnabled(false);
* w->setJavaEnabled(false);
* w->setMetaRefreshEnabled(false);
* w->setPluginsEnabled(false);
* \endcode
*
* You may also wish to disable external references. This will prevent TDEHTML
* from loading images, frames, etc, or redirecting to external sites.
*
* \code
* w->setOnlyLocalReferences(true);
* \endcode
*
* Some apps want to write their HTML code directly into the widget instead of
* opening an url. You can do this in the following way:
*
* \code
* TQString myHTMLCode = ...;
* TDEHTMLPart *w = new TDEHTMLPart();
* w->begin();
* w->write(myHTMLCode);
* ...
* w->end();
* \endcode
*
* You can do as many calls to write() as you wish. There are two
* write() methods, one accepting a TQString and one accepting a
* @p char @p * argument. You should use one or the other
* (but not both) since the method using
* the @p char @p * argument does an additional decoding step to convert the
* written data to Unicode.
*
* It is also possible to write content to the HTML part using the
* standard streaming API from KParts::ReadOnlyPart. The usage of
* the API is similar to that of the begin(), write(), end() process
* described above as the following example shows:
*
* \code
* TDEHTMLPart *doc = new TDEHTMLPart();
* doc->openStream( "text/html", KURL() );
* doc->writeStream( TQCString( "<html><body><p>TDEHTML Rocks!</p></body></html>" ) );
* doc->closeStream();
* \endcode
*
* @short HTML Browser Widget
* @author Lars Knoll ([email protected])
*
*/
class TDEHTML_EXPORT TDEHTMLPart : public KParts::ReadOnlyPart
{
TQ_OBJECT
friend class TDEHTMLView;
friend class DOM::HTMLTitleElementImpl;
friend class DOM::HTMLFrameElementImpl;
friend class DOM::HTMLIFrameElementImpl;
friend class DOM::HTMLObjectElementImpl;
friend class DOM::HTMLAnchorElementImpl;
friend class DOM::HTMLMetaElementImpl;
friend class DOM::NodeImpl;
friend class TDEHTMLRun;
friend class DOM::HTMLFormElementImpl;
friend class tdehtml::RenderPartObject;
friend class KJS::Window;
friend class KJS::ScheduledAction;
friend class KJS::JSNodeFilter;
friend class KJS::WindowFunc;
friend class KJS::ExternalFunc;
friend class KJS::JSEventListener;
friend class KJS::JSLazyEventListener;
friend class KJS::DOMDocument;
friend class KJS::SourceFile;
friend class KJSProxy;
friend class TDEHTMLPartBrowserExtension;
friend class DOM::DocumentImpl;
friend class DOM::HTMLDocumentImpl;
friend class TDEHTMLPartBrowserHostExtension;
friend class tdehtml::HTMLTokenizer;
friend class tdehtml::XMLTokenizer;
friend class tdehtml::RenderWidget;
friend class tdehtml::CSSStyleSelector;
friend class TDEHTMLPartIface;
friend class TDEHTMLPartFunction;
friend class TDEHTMLPopupGUIClient;
TQ_PROPERTY( bool javaScriptEnabled READ jScriptEnabled WRITE setJScriptEnabled )
TQ_PROPERTY( bool javaEnabled READ javaEnabled WRITE setJavaEnabled )
TQ_PROPERTY( bool autoloadImages READ autoloadImages WRITE setAutoloadImages )
TQ_PROPERTY( bool dndEnabled READ dndEnabled WRITE setDNDEnabled )
TQ_PROPERTY( bool pluginsEnabled READ pluginsEnabled WRITE setPluginsEnabled )
/*
*
* Don't add setOnlyLocalReferences here. It shouldn't be accessible via DCOP.
*
**/
TQ_PROPERTY( TQCString dcopObjectId READ dcopObjectId )
TQ_PROPERTY( bool modified READ isModified )
public:
enum GUIProfile { DefaultGUI, BrowserViewGUI /* ... */ };
/**
* Constructs a new TDEHTMLPart.
*
* TDEHTML basically consists of two objects: The TDEHTMLPart itself,
* holding the document data (DOM document), and the TDEHTMLView,
* derived from TQScrollView, in which the document content is
* rendered in. You can specify two different parent objects for a
* TDEHTMLPart, one parent for the TDEHTMLPart document and on parent
* for the TDEHTMLView. If the second @p parent argument is 0L, then
* @p parentWidget is used as parent for both objects, the part and
* the view.
*/
TDEHTMLPart( TQWidget *parentWidget = 0, const char *widgetname = 0,
TQObject *parent = 0, const char *name = 0, GUIProfile prof = DefaultGUI );
TDEHTMLPart( TDEHTMLView *view, TQObject *parent = 0, const char *name = 0, GUIProfile prof = DefaultGUI );
/**
* Destructor.
*/
virtual ~TDEHTMLPart();
/**
* Opens the specified URL @p url.
*
* Reimplemented from KParts::ReadOnlyPart::openURL .
*/
virtual bool openURL( const KURL &url );
/**
* Stops loading the document and kills all data requests (for images, etc.)
*/
virtual bool closeURL();
/**
* Called when a certain error situation (i.e. connection timed out) occurred.
* The default implementation either shows a TDEIO error dialog or loads a more
* verbose error description a as page, depending on the users configuration.
* @p job is the job that signaled the error situation
*/
virtual void showError( TDEIO::Job* job );
/**
* Returns a reference to the DOM HTML document (for non-HTML documents, returns null)
*/
DOM::HTMLDocument htmlDocument() const;
/**
* Returns a reference to the DOM document.
*/
DOM::Document document() const;
/**
* Returns the content of the source document.
* @since 3.4
*/
TQString documentSource() const;
/**
* Returns the node that has the keyboard focus.
*/
DOM::Node activeNode() const;
/**
* Returns a pointer to the KParts::BrowserExtension.
*/
KParts::BrowserExtension *browserExtension() const;
KParts::LiveConnectExtension *liveConnectExtension( const tdehtml::RenderPart *) const;
KParts::BrowserHostExtension *browserHostExtension() const;
/**
* Returns a pointer to the HTML document's view.
*/
TDEHTMLView *view() const;
/**
* Enable/disable Javascript support. Note that this will
* in either case permanently override the default usersetting.
* If you want to have the default UserSettings, don't call this
* method.
*/
void setJScriptEnabled( bool enable );
/**
* Returns @p true if Javascript support is enabled or @p false
* otherwise.
*/
bool jScriptEnabled() const;
/**
* Returns the JavaScript interpreter the part is using. This method is
* mainly intended for applications which embed and extend the part and
* provides a mechanism for adding additional native objects to the
* interpreter (or removing the built-ins).
*
* One thing people using this method to add things to the interpreter must
* consider, is that when you start writing new content to the part, the
* interpreter is cleared. This includes both use of the
* begin( const KURL &, int, int ) method, and the openURL( const KURL & )
* method. If you want your objects to have a longer lifespan, then you must
* retain a KJS::Object yourself to ensure that the reference count of your
* custom objects never reaches 0. You will also need to re-add your
* bindings everytime this happens - one way to detect the need for this is
* to connect to the docCreated() signal, another is to reimplement the
* begin() method.
*/
KJS::Interpreter *jScriptInterpreter();
/**
* Enable/disable statusbar messages.
* When this class wants to set the statusbar text, it emits
* setStatusBarText(const TQString & text)
* If you want to catch this for your own statusbar, note that it returns
* back a rich text string, starting with "<qt>". This you need to
* either pass this into your own TQLabel or to strip out the tags
* before passing it to TQStatusBar::message(const TQString & message)
*
* @see KParts::Part::setStatusBarText( const TQString & text )
*/
void setStatusMessagesEnabled( bool enable );
/**
* Returns @p true if status messages are enabled.
*/
bool statusMessagesEnabled() const;
/**
* Enable/disable automatic forwarding by <meta http-equiv="refresh" ....>
*/
void setMetaRefreshEnabled( bool enable );
/**
* Returns @p true if automatic forwarding is enabled.
*/
bool metaRefreshEnabled() const;
/**
* Same as executeScript( const TQString & ) except with the Node parameter
* specifying the 'this' value.
*/
TQVariant executeScript( const DOM::Node &n, const TQString &script );
/**
* Enables or disables Drag'n'Drop support. A drag operation is started if
* the users drags a link.
*/
void setDNDEnabled( bool b );
/**
* Returns whether Dragn'n'Drop support is enabled or not.
*/
bool dndEnabled() const;
/**
* Enables/disables Java applet support. Note that calling this function
* will permanently override the User settings about Java applet support.
* Not calling this function is the only way to let the default settings
* apply.
*/
void setJavaEnabled( bool enable );
/**
* Return true if Java applet support is enabled, false if disabled
*/
bool javaEnabled() const;
/**
* Returns the java context of the applets. If no applet exists, 0 is returned.
*/
KJavaAppletContext *javaContext();
/**
* Returns the java context of the applets. If no context exists yet, a
* new one is created.
*/
KJavaAppletContext *createJavaContext();
/**
* Enables or disables plugins, default is enabled
*/
void setPluginsEnabled( bool enable );
/**
* Returns true if plugins are enabled/disabled.
*/
bool pluginsEnabled() const;
/**
* Specifies whether images contained in the document should be loaded
* automatically or not.
*
* @note Request will be ignored if called before begin().
*/
void setAutoloadImages( bool enable );
/**
* Returns whether images contained in the document are loaded automatically
* or not.
* @note that the returned information is unrelieable as long as no begin()
* was called.
*/
bool autoloadImages() const;
/**
* Security option.
*
* Specify whether only file:/ or data:/ urls are allowed to be loaded without
* user confirmation by TDEHTML.
* ( for example referenced by stylesheets, images, scripts, subdocuments, embedded elements ).
*
* This option is mainly intended for enabling the "mail reader mode", where you load untrusted
* content with a file:/ url.
*
* Please note that enabling this option currently automatically disables Javascript,
* Java and Plugins support. This might change in the future if the security model
* is becoming more sophisticated, so don't rely on this behaviour.
*
* ( default false - everything is loaded unless forbidden by TDEApplication::authorizeURLAction).
*/
void setOnlyLocalReferences( bool enable );
/**
* Returns whether only file:/ or data:/ references are allowed
* to be loaded ( default false ). See setOnlyLocalReferences.
**/
bool onlyLocalReferences() const;
/** Returns whether caret mode is on/off.
* @since 3.2
*/
bool isCaretMode() const;
/**
* Returns @p true if the document is editable, @p false otherwise.
* @since 3.2
*/
bool isEditable() const;
/**
* Sets the caret to the given position.
*
* If the given location is invalid, it will snap to the nearest valid
* location. Immediately afterwards a @p caretPositionChanged signal
* containing the effective position is emitted
* @param node node to set to
* @param offset zero-based offset within the node
* @param extendSelection If @p true, a selection will be spanned from the
* last caret position to the given one. Otherwise, any existing selection
* will be deselected.
* @since 3.2
*/
void setCaretPosition(DOM::Node node, long offset, bool extendSelection = false);
/**
* Enumeration for displaying the caret.
* @param Visible caret is displayed
* @param Invisible caret is not displayed
* @param Blink caret toggles between visible and invisible
* @since 3.2
*/
enum CaretDisplayPolicy {
CaretVisible, CaretInvisible, CaretBlink
};
/**
* Returns the current caret policy when the view is not focused.
* @since 3.2
*/
CaretDisplayPolicy caretDisplayPolicyNonFocused() const;
/**
* Sets the caret display policy when the view is not focused.
*
* Whenever the caret is in use, this property determines how the
* caret should be displayed when the document view is not focused.
*
* The default policy is CaretInvisible.
* @param policy new display policy
* @since 3.2
*/
void setCaretDisplayPolicyNonFocused(CaretDisplayPolicy policy);
#ifndef KDE_NO_COMPAT
void enableJScript( bool e ) { setJScriptEnabled(e); }
void enableJava( bool e ) { setJavaEnabled(e); }
void enablePlugins( bool e ) { setPluginsEnabled(e); }
void autoloadImages( bool e ) { setAutoloadImages(e); }
void enableMetaRefresh( bool e ) { setMetaRefreshEnabled(e); }
bool setCharset( const TQString &, bool ) { return true; }
KURL baseURL() const;
TQString baseTarget() const;
#endif
/**
* Returns the URL for the background Image (used by save background)
*/
KURL backgroundURL() const;
/**
* Schedules a redirection after @p delay seconds.
*/
void scheduleRedirection( int delay, const TQString &url, bool lockHistory = true );
/**
* Clears the widget and prepares it for new content.
*
* If you want url() to return
* for example "file:/tmp/test.html", you can use the following code:
* \code
* view->begin( KURL("file:/tmp/test.html" ) );
* \endcode
*
* @param url is the url of the document to be displayed. Even if you
* are generating the HTML on the fly, it may be useful to specify
* a directory so that any pixmaps are found.
*
* @param xOffset is the initial horizontal scrollbar value. Usually
* you don't want to use this.
*
* @param yOffset is the initial vertical scrollbar value. Usually
* you don't want to use this.
*
* All child frames and the old document are removed if you call
* this method.
*/
virtual void begin( const KURL &url = KURL(), int xOffset = 0, int yOffset = 0 );
/**
* Writes another part of the HTML code to the widget.
*
* You may call
* this function many times in sequence. But remember: The fewer calls
* you make, the faster the widget will be.
*
* The HTML code is send through a decoder which decodes the stream to
* Unicode.
*
* The @p len parameter is needed for streams encoded in utf-16,
* since these can have \\0 chars in them. In case the encoding
* you're using isn't utf-16, you can safely leave out the length
* parameter.
*
* Attention: Don't mix calls to write( const char *) with calls
* to write( const TQString & ).
*
* The result might not be what you want.
*/
virtual void write( const char *str, int len = -1 );
/**
* Writes another part of the HTML code to the widget.
*
* You may call
* this function many times in sequence. But remember: The fewer calls
* you make, the faster the widget will be.
*/
virtual void write( const TQString &str );
/**
* Call this after your last call to write().
*/
virtual void end();
/*
* Prints the current HTML page laid out for the printer.
*
* (not implemented at the moment)
*/
// void print(TQPainter *, int pageHeight, int pageWidth);
/**
* Paints the HTML page to a TQPainter. See TDEHTMLView::paint for details
*/
void paint( TQPainter *, const TQRect &, int = 0, bool * = 0 );
/**
* Sets the encoding the page uses.
*
* This can be different from the charset. The widget will try to reload the current page in the new
* encoding, if url() is not empty.
*/
bool setEncoding( const TQString &name, bool override = false );
/**
* Returns the encoding the page currently uses.
*
* Note that the encoding might be different from the charset.
*/
TQString encoding() const;
/**
* Sets a user defined style sheet to be used on top of the HTML 4
* default style sheet.
*
* This gives a wide range of possibilities to
* change the layout of the page.
*
* To have an effect this function has to be called after calling begin().
*/
void setUserStyleSheet( const KURL &url );
/**
* Sets a user defined style sheet to be used on top of the HTML 4
* default style sheet.
*
* This gives a wide range of possibilities to
* change the layout of the page.
*
* To have an effect this function has to be called after calling begin().
*/
void setUserStyleSheet( const TQString &styleSheet );
public:
/**
* Sets the standard font style.
*
* @param name The font name to use for standard text.
*/
void setStandardFont( const TQString &name );
/**
* Sets the fixed font style.
*
* @param name The font name to use for fixed text, e.g.
* the <tt><pre></tt> tag.
*/
void setFixedFont( const TQString &name );
/**
* Finds the anchor named @p name.
*
* If the anchor is found, the widget
* scrolls to the closest position. Returns @p if the anchor has
* been found.
*/
bool gotoAnchor( const TQString &name );
/**
* Go to the next anchor
*
* This is useful to navigate from outside the navigator
* @since 3.2
*/
bool nextAnchor();
/**
* Go to previous anchor
* @since 3.2
*/
bool prevAnchor();
/**
* Sets the cursor to use when the cursor is on a link.
*/
void setURLCursor( const TQCursor &c );
/**
* Returns the cursor which is used when the cursor is on a link.
*/
TQCursor urlCursor() const;
/**
* Extra Find options that can be used when calling the extended findText().
* @since 3.3
*/
enum FindOptions
{
FindLinksOnly = 1 * KFindDialog::MinimumUserOption,
FindNoPopups = 2 * KFindDialog::MinimumUserOption
//FindIncremental = 4 * KFindDialog::MinimumUserOption
};
/**
* Starts a new search by popping up a dialog asking the user what he wants to
* search for.
* @since 3.3
*/
void findText();
/**
* Starts a new search, but bypasses the user dialog.
* @param str The string to search for.
* @param options Find options.
* @param parent Parent used for centering popups like "string not found".
* @param findDialog Optionally, you can supply your own dialog.
* @since 3.3
*/
void findText( const TQString &str, long options, TQWidget *parent = 0,
KFindDialog *findDialog = 0 );
/**
* Initiates a text search.
*/
void findTextBegin();
/**
* Finds the next occurrence of the string or expression.
* If isRegExp is true then str is converted to a TQRegExp, and caseSensitive is ignored.
* @deprecated, use findText( str, options, parent, findDialog )
*/
bool findTextNext( const TQString &str, bool forward, bool caseSensitive, bool isRegExp );
/**
* Finds the next occurence of a string set by @ref findText()
* @return true if a new match was found.
* @since 3.3
*/
bool findTextNext();
/**
* Finds the next occurence of a string set by @ref findText()
* @param reverse if true, revert seach direction (only if no find dialog is used)
* @return true if a new match was found.
* @since 3.5
*/
// KDE4 merge with default = false
bool findTextNext( bool reverse );
/**
* Sets the Zoom factor. The value is given in percent, larger values mean a
* generally larger font and larger page contents. It is not guaranteed that
* all parts of the page are scaled with the same factor though.
*
* The given value should be in the range of 20..300, values outside that
* range are not guaranteed to work. A value of 100 will disable all zooming
* and show the page with the sizes determined via the given lengths in the
* stylesheets.
*/
void setZoomFactor(int percent);
/**
* Returns the current zoom factor.
*/
int zoomFactor() const;
/**
* Returns the text the user has marked.
*/
virtual TQString selectedText() const;
/**
* Return the text the user has marked. This is guaranteed to be valid xml,
* and to contain the \<html> and \<body> tags.
*
* FIXME probably should make virtual for 4.0 ?
*
* @since 3.4
*/
TQString selectedTextAsHTML() const;
/**
* Returns the selected part of the HTML.
*/
DOM::Range selection() const;
/**
* Returns the selected part of the HTML by returning the starting and end
* position.
*
* If there is no selection, both nodes and offsets are equal.
* @param startNode returns node selection starts in
* @param startOffset returns offset within starting node
* @param endNode returns node selection ends in
* @param endOffset returns offset within end node.
* @since 3.2
*/
void selection(DOM::Node &startNode, long &startOffset,
DOM::Node &endNode, long &endOffset) const;
/**
* Sets the current selection.
*/
void setSelection( const DOM::Range & );
/**
* Has the user selected anything?
*
* Call selectedText() to
* retrieve the selected text.
*
* @return @p true if there is text selected.
*/
bool hasSelection() const;
/**
* Marks all text in the document as selected.
*/
void selectAll();
/**
* Convenience method to show the document's view.
*
* Equivalent to widget()->show() or view()->show() .
*/
void show();
/**
* Convenience method to hide the document's view.
*
* Equivalent to widget()->hide() or view()->hide().
*/
void hide();
/**
* Returns a reference to the partmanager instance which
* manages html frame objects.
*/
KParts::PartManager *partManager();
/**
* Saves the TDEHTMLPart's complete state (including child frame
* objects) to the provided TQDataStream.
*
* This is called from the saveState() method of the
* browserExtension().
*/
virtual void saveState( TQDataStream &stream );
/**
* Restores the TDEHTMLPart's previously saved state (including
* child frame objects) from the provided TQDataStream.
*
* @see saveState()
*
* This is called from the restoreState() method of the
* browserExtension() .
**/
virtual void restoreState( TQDataStream &stream );
/**
* Returns the @p Node currently under the mouse.
*
* The returned node may be a shared node (e. g. an \<area> node if the
* mouse is hovering over an image map).
*/
DOM::Node nodeUnderMouse() const;
/**
* Returns the @p Node currently under the mouse that is not shared.
*
* The returned node is always the node that is physically under the mouse
* pointer (irrespective of logically overlying elements like, e. g.,
* \<area> on image maps).
* @since 3.3
*/
DOM::Node nonSharedNodeUnderMouse() const;
/**
* @internal
*/
const TDEHTMLSettings *settings() const;
/**
* Returns a pointer to the parent TDEHTMLPart if the part is a frame
* in an HTML frameset.
*
* Returns 0L otherwise.
*/
TDEHTMLPart *parentPart();
/**
* Returns a list of names of all frame (including iframe) objects of
* the current document. Note that this method is not working recursively
* for sub-frames.
*/
TQStringList frameNames() const;
TQPtrList<KParts::ReadOnlyPart> frames() const;
/**
* Finds a frame by name. Returns 0L if frame can't be found.
*/
TDEHTMLPart *findFrame( const TQString &f );
/**
* Recursively finds the part containing the frame with name @p f
* and checks if it is accessible by @p callingPart
* Returns 0L if no suitable frame can't be found.
* Returns parent part if a suitable frame was found and
* frame info in @p *childFrame
* @since 3.3
*/
TDEHTMLPart *findFrameParent( KParts::ReadOnlyPart *callingPart, const TQString &f, tdehtml::ChildFrame **childFrame=0 );
/**
* Return the current frame (the one that has focus)
* Not necessarily a direct child of ours, framesets can be nested.
* Returns "this" if this part isn't a frameset.
*/
KParts::ReadOnlyPart *currentFrame() const;
/**
* Returns whether a frame with the specified name is exists or not.
* In contrary to the findFrame method this one also returns true
* if the frame is defined but no displaying component has been
* found/loaded, yet.
*/
bool frameExists( const TQString &frameName );
/**
* Returns child frame framePart its script interpreter
*/
KJSProxy *framejScript(KParts::ReadOnlyPart *framePart);
/**
* Finds a frame by name. Returns 0L if frame can't be found.
*/
KParts::ReadOnlyPart *findFramePart( const TQString &f );
/**
* Called by KJS.
* Sets the StatusBarText assigned
* via window.status
*/
void setJSStatusBarText( const TQString &text );
/**
* Called by KJS.
* Sets the DefaultStatusBarText assigned
* via window.defaultStatus
*/
void setJSDefaultStatusBarText( const TQString &text );
/**
* Called by KJS.
* Returns the StatusBarText assigned
* via window.status
*/
TQString jsStatusBarText() const;
/**
* Called by KJS.
* Returns the DefaultStatusBarText assigned
* via window.defaultStatus
*/
TQString jsDefaultStatusBarText() const;
/**
* Referrer used for links in this page.
*/
TQString referrer() const;
/**
* Referrer used to obtain this page.
*/
TQString pageReferrer() const;
/**
* Last-modified date (in raw string format), if received in the [HTTP] headers.
*/
TQString lastModified() const;
/**
* Loads a style sheet into the stylesheet cache.
*/
void preloadStyleSheet( const TQString &url, const TQString &stylesheet );
/**
* Loads a script into the script cache.
*/
void preloadScript( const TQString &url, const TQString &script );
/**
* @internal
*/
bool restored() const;
// ### KDE4 remove me
enum FormNotification { NoNotification = 0, Before, Only, Unused=255 };
/**
* Determine if signal should be emitted before, instead or never when a
* submitForm() happens.
* @since 3.2
* ### KDE4 remove me
*/
void setFormNotification(FormNotification fn);
/**
* Determine if signal should be emitted before, instead or never when a
* submitForm() happens.
* ### KDE4 remove me
* @since 3.2
*/
FormNotification formNotification() const;
/**
* Returns the toplevel (origin) URL of this document, even if this
* part is a frame or an iframe.
*
* @return the actual original url.
* @since 3.2
*/
KURL toplevelURL();
/**
* Checks whether the page contains unsubmitted form changes.
*
* @return true if form changes exist
* @since 3.3
*/
bool isModified() const;
/**
* Shows or hides the suppressed popup indicator
* @deprecated
* @since 3.4
*/
void setSuppressedPopupIndicator( bool enable );
/**
* Shows or hides the suppressed popup indicator
* @since 3.5
*/
void setSuppressedPopupIndicator( bool enable, TDEHTMLPart *originPart );
/**
* @internal
* @since 3.5
*/
bool inProgress() const;
signals:
/**
* Emitted if the cursor is moved over an URL.
*/
void onURL( const TQString &url );
/**
* Emitted when the user clicks the right mouse button on the document.
*/
void popupMenu( const TQString &url, const TQPoint &point );
/**
* This signal is emitted when the selection changes.
*/
void selectionChanged();
/**
* This signal is emitted when an element retrieves the
* keyboard focus. Note that the signal argument can be
* a null node if no element is active, meaning a node
* has explicitly been deactivated without a new one
* becoming active.
*/
void nodeActivated( const DOM::Node & );
/**
* @internal */
void docCreated();
/**
* This signal is emitted whenever the caret position has been changed.
*
* The signal transmits the position the DOM::Range way, the node and
* the zero-based offset within this node.
* @param node node which the caret is in. This can be null if the caret
* has been deactivated.
* @param offset offset within the node. If the node is null, the offset
* is meaningless.
* @since 3.2
*/
void caretPositionChanged(const DOM::Node &node, long offset);
/**
* If form notification is on, this will be emitted either for a form
* submit or before the form submit according to the setting.
* @since 3.2
* ### KDE4 remove me
*/
void formSubmitNotification(const char *action, const TQString& url,
const TQByteArray& formData, const TQString& target,
const TQString& contentType, const TQString& boundary);
protected:
/**
* returns a KURL object for the given url. Use when
* you know what you're doing.
*/
KURL completeURL( const TQString &url );
/**
* presents a detailed error message to the user.
* @p errorCode tdeio error code, eg TDEIO::ERR_SERVER_TIMEOUT.
* @p text tdeio additional information text.
* @p url the url that triggered the error.
*/
void htmlError( int errorCode, const TQString& text, const KURL& reqUrl );
virtual void customEvent( TQCustomEvent *event );
/**
* Eventhandler of the tdehtml::MousePressEvent.
*/
virtual void tdehtmlMousePressEvent( tdehtml::MousePressEvent *event );
/**
* Eventhandler for the tdehtml::MouseDoubleClickEvent.
*/
virtual void tdehtmlMouseDoubleClickEvent( tdehtml::MouseDoubleClickEvent * );
/**
* Eventhandler for the tdehtml::MouseMouseMoveEvent.
*/
virtual void tdehtmlMouseMoveEvent( tdehtml::MouseMoveEvent *event );
/**
* Eventhandler for the tdehtml::MouseMouseReleaseEvent.
*/
virtual void tdehtmlMouseReleaseEvent( tdehtml::MouseReleaseEvent *event );
/**
* Eventhandler for the tdehtml::DrawContentsEvent.
*/
virtual void tdehtmlDrawContentsEvent( tdehtml::DrawContentsEvent * );
/**
* Internal reimplementation of KParts::Part::guiActivateEvent .
*/
virtual void guiActivateEvent( KParts::GUIActivateEvent *event );
/**
* Internal empty reimplementation of KParts::ReadOnlyPart::openFile .
*/
virtual bool openFile();
virtual void urlSelected( const TQString &url, int button, int state,
const TQString &_target, KParts::URLArgs args = KParts::URLArgs());
/**
* This method is called when a new embedded object (include html frames) is to be created.
* Reimplement it if you want to add support for certain embeddable objects without registering
* them in the KDE wide registry system (KSyCoCa) . Another reason for re-implementing this
* method could be if you want to derive from KTHMLPart and also want all html frame objects
* to be a object of your derived type, in which case you should return a new instance for
* the mimetype 'text/html' .
*/
virtual KParts::ReadOnlyPart *createPart( TQWidget *parentWidget, const char *widgetName,
TQObject *parent, const char *name,
const TQString &mimetype, TQString &serviceName,
TQStringList &serviceTypes, const TQStringList ¶ms);
// This is for RenderPartObject. We want to ask the 'download plugin?'
// question only once per mimetype
bool pluginPageQuestionAsked( const TQString& mimetype ) const;
void setPluginPageQuestionAsked( const TQString& mimetype );
enum PageSecurity { NotCrypted, Encrypted, Mixed };
void setPageSecurity( PageSecurity sec );
/**
* Implements the streaming API of KParts::ReadOnlyPart.
*/
virtual bool doOpenStream( const TQString& mimeType );
/**
* Implements the streaming API of KParts::ReadOnlyPart.
*/
virtual bool doWriteStream( const TQByteArray& data );
/**
* Implements the streaming API of KParts::ReadOnlyPart.
*/
virtual bool doCloseStream();
public slots:
/**
* Sets the focused node of the document to the specified node. If the node is a form control, the control will
* receive focus in the same way that it would if the user had clicked on it or tabbed to it with the keyboard. For
* most other types of elements, there is no visual indication of whether or not they are focused.
*
* See activeNode
*
* @param node The node to focus
*/
void setActiveNode( const DOM::Node &node );
/**
* Stops all animated images on the current and child pages
*/
void stopAnimations();
TQCString dcopObjectId() const;
/**
* Execute the specified snippet of JavaScript code.
*
* Returns @p true if JavaScript was enabled, no error occurred
* and the code returned true itself or @p false otherwise.
* @deprecated, use executeString( DOM::Node(), script)
*/
TQVariant executeScript( const TQString &script );
/**
* Enables/disables caret mode.
*
* Enabling caret mode displays a caret which can be used to navigate
* the document using the keyboard only. Caret mode is switched off by
* default.
*
* @param enable @p true to enable, @p false to disable caret mode.
* @since 3.2
*/
void setCaretMode(bool enable);
/**
* Makes the document editable.
*
* Setting this property to @p true makes the document, and its
* subdocuments (such as frames, iframes, objects) editable as a whole.
* FIXME: insert more information about navigation, features etc. as seen fit
*
* @param enable @p true to set document editable, @p false to set it
* read-only.
* @since 3.2 (pending, do not use)
*/
void setEditable(bool enable);
/**
* Sets the visibility of the caret.
*
* This methods displays or hides the caret regardless of the current
* caret display policy (see setCaretDisplayNonFocused), and regardless
* of focus.
*
* The caret will be shown/hidden only under at least one of
* the following conditions:
* @li the document is editable
* @li the document is in caret mode
* @li the document's currently focused element is editable
*
* @param show @p true to make visible, @p false to hide.
* @since 3.2
*/
void setCaretVisible(bool show);
// ### KDE4 FIXME:
// Remove this and make the one below protected+virtual slot.
// Warning: this is effectively "internal". Be careful.
// @since 3.2
void submitFormProxy( const char *action, const TQString &url,
const TQByteArray &formData,
const TQString &target,
const TQString& contentType = TQString::null,
const TQString& boundary = TQString::null );
private slots:
/**
* @internal
*/
void reparseConfiguration();
/**
* @internal
*/
void slotData( TDEIO::Job*, const TQByteArray &data );
/**
* @internal
*/
void slotInfoMessage( TDEIO::Job*, const TQString& msg );
/**
* @internal
*/
void slotRestoreData( const TQByteArray &data );
/**
* @internal
*/
void slotFinished( TDEIO::Job* );
/**
* @internal
*/
void slotFinishedParsing();
/**
* @internal
*/
void slotRedirect();
/**
* @internal
*/
void slotRedirection( TDEIO::Job*, const KURL& );
/**
* @internal
*/
void slotDebugScript();
/**
* @internal
*/
void slotDebugDOMTree();
/**
* @internal
*/
void slotDebugRenderTree();
/**
* @internal
*/
void slotStopAnimations();
/**
* @internal
*/
virtual void slotViewDocumentSource();
/**
* @internal
*/
virtual void slotViewFrameSource();
/**
* @internal
*/
void slotViewPageInfo();
/**
* @internal
*/
virtual void slotSaveBackground();
/**
* @internal
*/
virtual void slotSaveDocument();
/**
* @internal
*/
virtual void slotSaveFrame();
/**
* @internal
*/
virtual void slotSecurity();
/**
* @internal
*/
virtual void slotSetEncoding();
/**
* @internal
*/
virtual void slotUseStylesheet();
virtual void slotFind();
virtual void slotFindDone(); // ### remove me
virtual void slotFindDialogDestroyed();
void slotFindNext();
void slotFindPrev();
void slotFindAheadText();
void slotFindAheadLink();
void slotIncZoom();
void slotDecZoom();
void slotIncZoomFast();
void slotDecZoomFast();
void slotLoadImages();
void slotWalletClosed();
void launchWalletManager();
void walletMenu();
/**
* @internal
*/
void submitFormAgain();
/**
* @internal
*/
void updateActions();
/**
* @internal
*/
void slotPartRemoved( KParts::Part *part );
/**
* @internal
*/
void slotActiveFrameChanged( KParts::Part *part );
/**
* @internal
*/
void slotChildStarted( TDEIO::Job *job );
/**
* @internal
*/
void slotChildCompleted();
/**
* @internal
*/
void slotChildCompleted( bool );
/**
* @internal
*/
void slotParentCompleted();
/**
* @internal
*/
void slotChildURLRequest( const KURL &url, const KParts::URLArgs &args );
/**
* @internal
*/
void slotChildDocCreated();
/**
* @internal
*/
void slotRequestFocus( KParts::ReadOnlyPart * );
void slotLoaderRequestStarted( tdehtml::DocLoader*, tdehtml::CachedObject* obj);
void slotLoaderRequestDone( tdehtml::DocLoader*, tdehtml::CachedObject *obj );
void checkCompleted();
/**
* @internal
*/
void slotAutoScroll();
void slotPrintFrame();
void slotSelectAll();
/**
* @internal
*/
void slotProgressUpdate();
/*
* @internal
*/
void slotJobPercent( TDEIO::Job*, unsigned long );
/*
* @internal
*/
void slotJobDone( TDEIO::Job* );
/*
* @internal
*/
void slotUserSheetStatDone( TDEIO::Job* );
/*
* @internal
*/
void slotJobSpeed( TDEIO::Job*, unsigned long );
/**
* @internal
*/
void slotClearSelection();
/**
* @internal
*/
void slotZoomView( int );
/**
* @internal
*/
void slotHighlight( const TQString &, int index, int length );
/**
* @internal
*/
void slotAutomaticDetectionLanguage( int _id );
/**
* @internal
*/
void slotToggleCaretMode();
/**
* @internal
*/
void suppressedPopupMenu();
/**
* @internal
*/
void togglePopupPassivePopup();
/**
* @internal
*/
void showSuppressedPopups();
/**
* @internal
*/
void launchJSConfigDialog();
/**
* @internal
*/
void launchJSErrorDialog();
/**
* @internal
*/
void removeJSErrorExtension();
/**
* @internal
*/
void disableJSErrorExtension();
/**
* @internal
*/
void jsErrorDialogContextMenu();
/**
* @internal
* used to restore or reset the view's scroll position (including positioning on anchors)
* once a sufficient portion of the document as been laid out.
*/
void restoreScrollPosition();
void walletOpened(TDEWallet::Wallet*);
private:
KJSErrorDlg *jsErrorExtension();
enum StatusBarPriority { BarDefaultText, BarHoverText, BarOverrideText };
void setStatusBarText( const TQString& text, StatusBarPriority p);
bool restoreURL( const KURL &url );
void resetFromScript();
void emitSelectionChanged();
// Returns whether callingHtmlPart may access this part
bool checkFrameAccess(TDEHTMLPart *callingHtmlPart);
bool openURLInFrame( const KURL &url, const KParts::URLArgs &urlArgs );
bool urlSelectedIntern( const TQString &url, int button, int state,
const TQString &_target, KParts::URLArgs args = KParts::URLArgs());
void startAutoScroll();
void stopAutoScroll();
void overURL( const TQString &url, const TQString &target, bool shiftPressed = false );
void resetHoverText(); // Undo overURL and reset HoverText
bool processObjectRequest( tdehtml::ChildFrame *child, const KURL &url, const TQString &mimetype );
TDEWallet::Wallet* wallet();
void openWallet(DOM::HTMLFormElementImpl*);
void saveToWallet(const TQString& key, const TQMap<TQString,TQString>& data);
void dequeueWallet(DOM::HTMLFormElementImpl*);
void enableFindAheadActions(bool);
/**
* @internal
*/
// ### KDE4 FIXME:
// It is desirable to be able to filter form submissions as well.
// For instance, forms can have a target and an inheriting class
// might want to filter based on the target. Make this protected
// and virtual, or provide a better solution.
// See the web_module for the sidebar for an example where this is
// necessary.
void submitForm( const char *action, const TQString &url, const TQByteArray &formData,
const TQString &target, const TQString& contentType = TQString::null,
const TQString& boundary = TQString::null );
void popupMenu( const TQString &url );
void init( TDEHTMLView *view, GUIProfile prof );
void clear();
bool scheduleScript( const DOM::Node &n, const TQString& script);
TQVariant crossFrameExecuteScript(const TQString& target, const TQString& script);
TQVariant executeScheduledScript();
bool requestFrame( tdehtml::RenderPart *frame, const TQString &url, const TQString &frameName,
const TQStringList &args = TQStringList(), bool isIFrame = false );
/**
* @internal returns a name for a frame without a name.
* This function returns a sequence of names.
* All names in a sequence are different but the sequence is
* always the same.
* The sequence is reset in clear().
*/
TQString requestFrameName();
bool requestObject( tdehtml::RenderPart *frame, const TQString &url, const TQString &serviceType,
const TQStringList &args = TQStringList() );
bool requestObject( tdehtml::ChildFrame *child, const KURL &url, const KParts::URLArgs &args = KParts::URLArgs() );
DOM::EventListener *createHTMLEventListener( TQString code, TQString name, DOM::NodeImpl *node );
DOM::HTMLDocumentImpl *docImpl() const;
DOM::DocumentImpl *xmlDocImpl() const;
tdehtml::ChildFrame *frame( const TQObject *obj );
tdehtml::ChildFrame *recursiveFrameRequest( TDEHTMLPart *callingHtmlPart, const KURL &url, const KParts::URLArgs &args, bool callParent = true );
bool checkLinkSecurity( const KURL &linkURL,const TQString &message = TQString::null, const TQString &button = TQString::null );
TQVariant executeScript( const TQString& filename, int baseLine, const DOM::Node &n, const TQString& script );
KJSProxy *jScript();
TDEHTMLPart *opener();
long cacheId() const;
void setOpener( TDEHTMLPart *_opener );
bool openedByJS();
void setOpenedByJS( bool _openedByJS );
void checkEmitLoadEvent();
void emitLoadEvent();
bool initFindNode( bool selection, bool reverse, bool fromCursor );
void extendSelection( DOM::NodeImpl* node, long offset, DOM::Node& selectionNode, long& selectionOffset, bool right, bool paragraph );
/** extends the current selection to the given content-coordinates @p x, @p y
* @param x content x-coordinate
* @param y content y-coordinate
* @param absX absolute x-coordinate of @p innerNode
* @param absY absolute y-coordinate of @p innerNode
* @param innerNode node from which to start extending the selection. The
* caller has to ensure that the node has a renderer.
* @internal
*/
void extendSelectionTo(int x, int y, int absX, int absY, const DOM::Node &innerNode);
/** checks whether a selection is extended.
* @return @p true if a selection is extended by the mouse.
*/
bool isExtendingSelection() const;
tdehtml::Decoder *createDecoder();
TQString defaultEncoding() const;
/** .html, .xhtml or .xml */
TQString defaultExtension() const;
/** @internal
* generic zoom in
*/
void zoomIn(const int stepping[], int count);
/** @internal
* generic zoom out
*/
void zoomOut(const int stepping[], int count);
void emitCaretPositionChanged(const DOM::Node &node, long offset);
void setDebugScript( bool enable );
void runAdFilter();
TDEHTMLPartPrivate *d;
friend class TDEHTMLPartPrivate;
};
#endif
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