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tdebase/konqueror/konq_view.h

480 řádky
14 KiB

/*
* This file is part of the KDE project
* Copyright (C) 1998-2005 David Faure <faure@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#ifndef __konq_view_h__
#define __konq_view_h__
#include "konq_mainwindow.h"
#include "konq_factory.h"
#include <tqptrlist.h>
#include <tqstring.h>
#include <tqobject.h>
#include <tqstringlist.h>
#include <tqguardedptr.h>
#include <tqcstring.h>
#include <ktrader.h>
class KonqRun;
class KonqFrame;
class KonqViewIface;
class KonqBrowserInterface;
namespace KParts
{
class BrowserExtension;
class StatusBarExtension;
}
struct HistoryEntry
{
KURL url;
TQString locationBarURL; // can be different from url when showing a index.html
TQString title;
TQByteArray buffer;
TQString strServiceType;
TQString strServiceName;
TQByteArray postData;
TQString postContentType;
bool doPost;
TQString pageReferrer;
KonqMainWindow::PageSecurity pageSecurity;
};
/* This class represents a child of the main view. The main view maintains
* the list of children. A KonqView contains a Browser::View and
* handles it. It's more or less the backend structure for the views.
* The widget handling stuff is done by the KonqFrame.
*/
class KonqView : public TQObject
{
TQ_OBJECT
public:
/**
* Create a konqueror view
* @param viewFactory the factory to be used to create the part
* @param viewFrame the frame where to create the view
* @param mainWindow is the main window :-)
* @param service the service implementing the part
* @param partServiceOffers list of part offers found by the factory
* @param appServiceOffers list of app offers found by the factory
* @param serviceType the serviceType implemented by the part
* @param passiveMode whether to initially make the view passive
*/
KonqView( KonqViewFactory &viewFactory,
KonqFrame* viewFrame,
KonqMainWindow * mainWindow,
const KService::Ptr &service,
const TDETrader::OfferList &partServiceOffers,
const TDETrader::OfferList &appServiceOffers,
const TQString &serviceType,
bool passiveMode);
~KonqView();
/**
* Displays another URL, but without changing the view mode (caller has to
* ensure that the call makes sense)
* @param url the URL to open
* @param locationBarURL the URL to set in the location bar (see @ref setLocationBarURL)
* @param nameFilter e.g. *.cpp
* @param tempFile whether to delete the file after use
*/
void openURL( const KURL &url,
const TQString & locationBarURL,
const TQString &nameFilter = TQString::null,
bool tempFile = false );
/**
* Change the type of view (i.e. loads a new konqueror view)
* Contract: the caller should call stop() first,
*
* @param serviceType the service type we want to show
* @param serviceName allows to enforce a particular service to be chosen,
* @see KonqFactory.
*/
bool changeViewMode( const TQString &serviceType,
const TQString &serviceName = TQString::null,
bool forceAutoEmbed = false );
/**
* Call this to prevent next openURL() call from changing history lists
* Used when the same URL is reloaded (for instance with another view mode)
*
* Calling with lock=false is a hack reserved to the "find" feature.
*/
void lockHistory( bool lock = true ) { m_bLockHistory = lock; }
/**
* @return true if view can go back
*/
bool canGoBack()const { return m_lstHistory.at() > 0; }
/**
* @return true if view can go forward
*/
bool canGoForward()const { return m_lstHistory.at() != ((int)m_lstHistory.count())-1; }
/**
* @return the position in the history
*/
int historyPos() const { return m_lstHistory.at(); }
uint historyLength() { return m_lstHistory.count(); }
/**
* Move in history. +1 is "forward", -1 is "back", you can guess the rest.
*/
void go( int steps );
/**
* Helper function for go() and KonqViewManager
*/
void restoreHistory();
void setHistoryPos(int newPos) { m_lstHistory.at( newPos ); }
/**
* @return the history of this view
*/
const TQPtrList<HistoryEntry> & history() { return m_lstHistory; }
/**
* @return the HistoryEntry at postion @p pos
*/
const HistoryEntry* historyAt(const int pos);
/**
* Creates a deep copy of the @p other view's history buffers.
*/
void copyHistory( KonqView *other );
/**
* Set the KonqRun instance that is running something for this view
* The main window uses this to store the KonqRun for each child view.
*/
void setRun( KonqRun * run );
KonqRun *run() const { return m_pRun; }
/**
* Stop loading
*/
void stop();
/**
* Retrieve view's URL
*/
KURL url() const;
KURL upURL() const;
/**
* Get view's location bar URL, i.e. the one that the view signals
* It can be different from url(), for instance if we display a index.html
*/
TQString locationBarURL() const { return m_sLocationBarURL; }
/**
* Get the URL that was typed to get the current URL.
*/
TQString typedURL() const { return m_sTypedURL; }
/**
* Set the URL that was typed to get the current URL.
*/
void setTypedURL( const TQString & u ) { m_sTypedURL = u; }
/**
* Return the security state of page in view
*/
KonqMainWindow::PageSecurity pageSecurity() const { return m_pageSecurity; }
/**
* @return the part embedded into this view
*/
KParts::ReadOnlyPart *part() const { return m_pPart; }
/**
* see KonqViewManager::removePart
*/
void partDeleted() { m_pPart = 0L; }
KParts::BrowserExtension *browserExtension() const;
KParts::StatusBarExtension *statusBarExtension() const;
/**
* @return a pointer to the KonqFrame which the view lives in
*/
KonqFrame* frame() const { return m_pKonqFrame; }
/**
* @return the servicetype this view is currently displaying
*/
TQString serviceType() const { return m_serviceType; }
/**
* @return the servicetypes this view is capable to display
*/
TQStringList serviceTypes() const { return m_service->serviceTypes(); }
bool supportsServiceType( const TQString &serviceType ) const;
// True if "Use index.html" is set (->the view doesn't necessarily show HTML!)
bool allowHTML() const { return m_bAllowHTML; }
void setAllowHTML( bool allow ) { m_bAllowHTML = allow; }
// True if currently loading
bool isLoading() const { return m_bLoading; }
void setLoading( bool loading, bool hasPending = false );
// True if "locked to current location" (and their view mode, in fact)
bool isLockedLocation() const { return m_bLockedLocation; }
void setLockedLocation( bool b );
// True if can't be made active (e.g. dirtree).
bool isPassiveMode() const { return m_bPassiveMode; }
void setPassiveMode( bool mode );
// True if is hierarchical view
bool isHierarchicalView() const { return m_bHierarchicalView; }
void setHierarchicalView( bool mode );
// True if 'link' symbol set
bool isLinkedView() const { return m_bLinkedView; }
void setLinkedView( bool mode );
// True if toggle view
void setToggleView( bool b ) { m_bToggleView = b; }
bool isToggleView() const { return m_bToggleView; }
// True if it always follows the active view
void setFollowActive(bool b) { m_bFollowActive = b; }
bool isFollowActive() { return m_bFollowActive; }
// True if locked to current view mode
// Toggle views and passive views are locked to their view mode.
bool isLockedViewMode() const { return m_bToggleView || m_bPassiveMode; }
// True if "builtin" (see X-TDE-BrowserView-Built-Into)
bool isBuiltinView() const { return m_bBuiltinView; }
void setService( const KService::Ptr &s ) { m_service = s; }
KService::Ptr service() { return m_service; }
TQString caption() const { return m_caption; }
TDETrader::OfferList partServiceOffers() { return m_partServiceOffers; }
TDETrader::OfferList appServiceOffers() { return m_appServiceOffers; }
KonqMainWindow *mainWindow() const { return m_pMainWindow; }
// return true if the method was found, false if the execution failed
bool callExtensionMethod( const char *methodName );
bool callExtensionBoolMethod( const char *methodName, bool value );
bool callExtensionStringMethod( const char *methodName, TQString value );
bool callExtensionURLMethod( const char *methodName, const KURL& value );
void setViewName( const TQString &name );
TQString viewName() const;
// True to enable the context popup menu
void enablePopupMenu( bool b );
bool isPopupMenuEnabled() const { return m_bPopupMenuEnabled; }
void reparseConfiguration();
void disableScrolling();
TQStringList frameNames() const;
KonqViewIface * dcopObject();
void goHistory( int steps );
// Set the TDEGlobal active instance (the one used by KBugReport)
void setActiveInstance();
// Called before reloading this view. Sets args.reload to true, and offers to repost form data.
// Returns false in case the reload must be cancelled.
bool prepareReload( KParts::URLArgs& args );
// overload for the TQString version
void setLocationBarURL( const KURL& locationBarURL );
static TQStringList childFrameNames( KParts::ReadOnlyPart *part );
static KParts::BrowserHostExtension *hostExtension( KParts::ReadOnlyPart *part, const TQString &name );
signals:
/**
* Signal the main window that the embedded part changed (e.g. because of changeViewMode)
*/
void sigPartChanged( KonqView *childView, KParts::ReadOnlyPart *oldPart, KParts::ReadOnlyPart *newPart );
/**
* Emitted in slotCompleted
*/
void viewCompleted( KonqView * view );
/**
* Emitted only if the option backRightClick is activated
*/
void backRightClick();
public slots:
/**
* Store location-bar URL in the child view
* and updates the main view if this view is the current one
* May be different from url e.g. if using "allowHTML".
*/
void setLocationBarURL( const TQString & locationBarURL );
/**
* get an icon for the URL from the BrowserExtension
*/
void setIconURL( const KURL &iconURL );
void setTabIcon( const KURL &url );
void setCaption( const TQString & caption );
void setPageSecurity( int );
// connected to the KROP's TDEIO::Job
// but also to KonqRun's job
void slotInfoMessage( TDEIO::Job *, const TQString &msg );
protected slots:
// connected to the KROP's TDEIO::Job
void slotStarted( TDEIO::Job * job );
void slotCompleted();
void slotCompleted( bool );
void slotCanceled( const TQString & errMsg );
void slotPercent( TDEIO::Job *, unsigned long percent );
void slotSpeed( TDEIO::Job *, unsigned long bytesPerSecond );
/**
* Connected to the BrowserExtension
*/
void slotSelectionInfo( const KFileItemList &items );
void slotMouseOverInfo( const KFileItem* item );
void slotOpenURLNotify();
void slotEnableAction( const char * name, bool enabled );
void slotSetActionText( const char* name, const TQString& text );
void slotMoveTopLevelWidget( int x, int y );
void slotResizeTopLevelWidget( int w, int h );
void slotRequestFocus(KParts::ReadOnlyPart*);
private:
void enableBackRightClick( bool b );
/**
* Replace the current view with a new view, created by @p viewFactory.
*/
void switchView( KonqViewFactory &viewFactory );
/**
* Connects the internal part to the main window.
* Do this after creating it and before inserting it.
*/
void connectPart();
/**
* Creates a new entry in the history.
*/
void createHistoryEntry();
/**
* Updates the current entry in the history.
* @param saveLocationBarURL whether to save the location bar URL as part of it
* (not done in openURL, to be able to revert if aborting)
*/
void updateHistoryEntry(bool saveLocationBarURL);
void aboutToOpenURL( const KURL &url, const KParts::URLArgs &args = KParts::URLArgs() );
void setServiceTypeInExtension();
void finishedWithCurrentURL();
virtual bool eventFilter( TQObject *obj, TQEvent *e );
////////////////// private members ///////////////
KParts::ReadOnlyPart *m_pPart;
TQString m_sLocationBarURL;
TQString m_sTypedURL;
KonqMainWindow::PageSecurity m_pageSecurity;
/**
* The full history (back + current + forward)
* The current position in the history is m_lstHistory.current()
*/
TQPtrList<HistoryEntry> m_lstHistory;
/**
* The post data that _resulted_ in this page.
* e.g. when submitting a form, and the result is an image, this data will be
* set (and saved/restored) when the image is being viewed. Necessary for reload.
*/
TQByteArray m_postData;
TQString m_postContentType;
bool m_doPost;
/**
* The referrer that was used to obtain this page.
*/
TQString m_pageReferrer;
KonqMainWindow *m_pMainWindow;
KonqRun *m_pRun;
KonqFrame *m_pKonqFrame;
uint m_bAllowHTML:1;
uint m_bLoading:1;
uint m_bLockedLocation:1;
uint m_bPassiveMode:1;
uint m_bLinkedView:1;
uint m_bToggleView:1;
uint m_bLockHistory:1;
uint m_bAborted:1;
uint m_bGotIconURL:1;
uint m_bPopupMenuEnabled:1;
uint m_bFollowActive:1;
uint m_bPendingRedirection:1;
uint m_bBuiltinView:1;
uint m_bURLDropHandling:1;
uint m_bBackRightClick:1;
uint m_bHierarchicalView:1;
uint m_bDisableScrolling:1;
TDETrader::OfferList m_partServiceOffers;
TDETrader::OfferList m_appServiceOffers;
KService::Ptr m_service;
TQString m_serviceType;
TQString m_caption;
TQString m_tempFile;
KonqViewIface * m_dcopObject;
KonqBrowserInterface *m_browserIface;
int m_randID;
};
#endif