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XTBBrowser.cpp
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XTBBrowser.cpp
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/*
* XTBBrowser.cpp
* XTBook
*
* Created by Nexhawks on 2/21/11.
* Copyright 2011 Nexhawks. All rights reserved.
*
*/
#include "global.h"
#include <tcw/twSDLDC.h>
#include <tcw/twBaseSkin.h>
#include "XTBBrowser.h"
#include "XTBSearchBar.h"
#include "TWViewer.h"
#include "XTBTextField.h"
#include "XTBException.h"
#include "XTBSearchView.h"
#include "XTBStartPageView.h"
#include <memory>
#include <assert.h>
#include "XTBListView.h"
#include "XTBStartPageList.h"
#include "XTBContentsChooser.h"
#include "XTBTextField.h"
#include "TWiki/TWHTMLElement.h"
#include "TWiki/TWHTMLBuilder.h"
#include "TWiki/TWHTMLBodyElement.h"
#include "TWiki/TWReader.h"
#include "TWiki/TWParser.h"
#include "TWiki/TWParserConfig.h"
#include "TWiki/TWPreprocessor.h"
#include "TWiki/TWPreprocessorNode.h"
#include "TWiki/TWRenderObject.h"
#include <tcw/twStrConv.h>
#include <tcw/twMsgBox.h>
#include "TWiki/TWUtils.h"
#include "i18n.h"
#include "commondlg.h"
#include "XTBMenu.h"
#include "XTBButtonMenuItem.h"
#include "XTBSeparatorMenuItem.h"
#include "XTBLabelMenuItem.h"
#include "XTBDictionary.h"
#include "XTBArticle.h"
#include "xpms/SearchBarLeft.xpm"
#include "xpms/SearchBarRight.xpm"
#include "xpms/SearchBarForward.xpm"
#include "xpms/SearchBarBack.xpm"
#include "xpms/PageBar.xpm"
#include "TPList/TPLDictionary.h"
#include "XTBUserDefaults.h"
#include "TPList/TPLAutoReleasePtr.h"
#include "TPList/TPLNumber.h"
#include "XTBNotificationCenter.h"
#include "XTBFootnoteView.h"
#include "XTBHistory.h"
#include "XTBSoftKeyboard.h"
#pragma mark - Browser State
std::wstring XTBBrowserState::urlString() const{
if(fragmentId.empty())
return url.urlString();
else
return url.urlString()+L'#'+fragmentId;
}
TPLString *XTBBrowserState::tplUrlString() const{
std::wstring s=urlString();
return new TPLString(twW2M(s).c_str());
}
#pragma mark - Assets
twDC *XTBBrowser::m_searchBarBackImage=NULL;
twDC *XTBBrowser::m_searchBarForwardImage=NULL;
twDC *XTBBrowser::m_searchBarLeftImage=NULL;
twDC *XTBBrowser::m_searchBarRightImage=NULL;
twDC *XTBBrowser::m_pageBarImage=NULL;
twDC *XTBBrowser::getSearchBarBackImage(){
if(!m_searchBarBackImage){
m_searchBarBackImage=twSDLDC::loadFromXPM(SearchBarBack);
}
return m_searchBarBackImage;
}
twDC *XTBBrowser::getSearchBarForwardImage(){
if(!m_searchBarForwardImage){
m_searchBarForwardImage=twSDLDC::loadFromXPM(SearchBarForward);
}
return m_searchBarForwardImage;
}
twDC *XTBBrowser::getSearchBarLeftImage(){
if(!m_searchBarLeftImage){
m_searchBarLeftImage=twSDLDC::loadFromXPM(SearchBarLeft);
}
return m_searchBarLeftImage;
}
twDC *XTBBrowser::getSearchBarRightImage(){
if(!m_searchBarRightImage){
m_searchBarRightImage=twSDLDC::loadFromXPM(SearchBarRight);
}
return m_searchBarRightImage;
}
twDC *XTBBrowser::getPageBarImage(){
if(!m_pageBarImage){
m_pageBarImage=twSDLDC::loadFromXPM(PageBar);
}
return m_pageBarImage;
}
#pragma mark - Lifetime
XTBBrowser::XTBBrowser(){
m_delegate=NULL;
m_searchBar=new XTBSearchBar();
m_viewer=new TWViewer();
m_searchView=new XTBSearchView();
m_startPageView=new XTBStartPageView();
m_softKeyboard=new XTBSoftKeyboard();
m_softKeyboard->setParent(this);
m_softKeyboard->setId(XTBBrowserSoftKeyboardId);
m_searchBar->setParent(this);
m_searchBar->getTextField()->setTitle(L"");
m_searchBar->setId(XTBBrowserSearchBarId);
m_searchBar->show();
m_viewer->setParent(this);
// m_viewer->show(); NOTE: m_startPageView is visible now.
m_searchView->setParent(this);
m_searchView->setId(XTBBrowserSearchViewId);
// m_searchView->show(); NOTE: m_startPageView is ...
m_startPageView->setParent(this);
m_startPageView->setId(XTBBrowserStartPageViewId);
m_startPageView->show();
m_rootElement=NULL;
m_viewer->setId(XTBBrowserViewerId);
m_shownDocument=NULL;
m_history.push_back(initialHistory());
m_historyPos=m_history.begin();
m_drag=XTBBrowserDragModeNone;
m_hover=false;
}
XTBBrowser::~XTBBrowser(){
if(m_shownDocument)
delete m_shownDocument;
delete m_searchBar;
delete m_viewer;
delete m_searchView;
delete m_startPageView;
}
#pragma mark - Loading Article
XTBBrowserState XTBBrowser::initialHistory() const{
XTBBrowserState state;
state.page=0;
state.contentLocation=twPoint(0, 0);
return state;
}
XTBBrowserState XTBBrowser::stateForURLString(const std::wstring& urlString)const{
XTBBrowserState state;
std::wstring::size_type pos;
std::wstring urlBody;
state.contentLocation=twPoint(0, 0);
state.page=0;
if((pos=urlString.find(L'#'))!=std::wstring::npos){
urlBody=urlString.substr(0, pos);
state.fragmentId=urlString.substr(pos+1);
if(urlBody.empty()){
// on this page.
urlBody=m_currentState.url.urlString();
}
}else{
urlBody=urlString;
}
state.url=XTBURL(urlBody);
return state;
}
struct XTBBrowserLoadPageResult{
bool exceptionThrown;
std::wstring msg;
XTBBrowserLoadPageResult(){
exceptionThrown=false;
}
};
bool XTBBrowser::isStateNeedsReloading(const XTBBrowserState& state) const{
const XTBBrowserState& oldState=m_currentState;
if(oldState.url.type()!=state.url.type())
return true;
if(state.url.type()!=XTBURLTypeDocument){
return oldState.url!=state.url;
}else{
if(oldState.url!=state.url)
return true;
XTBArticle *article=dynamic_cast<XTBArticle *>(m_shownDocument);
// now, m_shownArticle must be the article for state.articleName
// because oldState.articleName is m_shownArticle's name.
// if not, something seems to be going wrong. (but it is not easy
// to assert)
if(article){
if(isSinglePageMode()){
return false;
}
int page1=(oldState.page!=XTBBrowserStatePageUnknown)?
oldState.page:pageForFragmentId(oldState.fragmentId, article);
int page2=(state.page!=XTBBrowserStatePageUnknown)?
state.page:pageForFragmentId(state.fragmentId, article);
return page1!=page2;
}else{
return false;
}
}
}
void XTBBrowser::setUrlType(XTBURLType urlType){
if(urlType==XTBURLTypeDocument && !m_viewer->getStyle().visible)
m_viewer->show();
else if(urlType!=XTBURLTypeDocument && m_viewer->getStyle().visible)
m_viewer->hide();
if(urlType==XTBURLTypeSearch && !m_searchView->getStyle().visible)
m_searchView->show();
else if(urlType!=XTBURLTypeSearch && m_searchView->getStyle().visible)
m_searchView->hide();
if(urlType==XTBURLTypeHome && !m_startPageView->getStyle().visible)
m_startPageView->show();
else if(urlType!=XTBURLTypeHome && m_startPageView->getStyle().visible)
m_startPageView->hide();
}
XTBSearchViewQuery XTBBrowser::queryForState(const XTBBrowserState& state) const{
XTBSearchViewQuery query;
query.key=state.url.articleName;
return query;
}
bool XTBBrowser::displayURL(XTBBrowserState state){
XTBBrowserLoadPageResult result;
bool urlChanged=true;
switch(state.url.type()){
case XTBURLTypeSearch:
case XTBURLTypeHome:
m_viewer->setHTMLDocument(NULL);
if(m_rootElement){
delete m_rootElement;
m_rootElement=NULL;
}
if(state.url.type()==XTBURLTypeSearch){
XTBSearchViewQuery query=queryForState(state);
if(query.key.empty())
m_searchView->setQuery(query);
else{
m_searchView->setQueryDelayed(query);
urlChanged=false;
}
}
m_currentState=state;
setUrlType(state.url.type());
break;
case XTBURLTypeDocument:
//XTBLog("loading %s", twW2M(url).c_str());
if(m_searchView->isVisible()){
// erase search result
//m_searchView->setQuery(XTBSearchViewQuery());
}
if(isStateNeedsReloading(state)){
result.exceptionThrown=false;
XTBInvokeWithProgressOverlay(new twTwoArgumentMemberFunctionInvocation
<XTBBrowser, XTBBrowserState *,
XTBBrowserLoadPageResult *>(this, &XTBBrowser::loadPage,&state,
&result));
if(result.exceptionThrown){
XTBLog("exception thrown while acecssing %s[page %d]: %s", twW2M(state.url.urlString()).c_str(),
state.page, twW2M(result.msg).c_str());
std::wstring msg=XTBLocalizedString(L"XTBBrowserFailedToLoad");
if(!result.msg.empty()){
msg+=L"\n\n";
msg+=result.msg;
}
twWnd *parent=getRootWindow();
twMsgBox(parent, msg, twMBB_ok, XTBLocalizedString(L"XTBError"), true);
return false;
}else{
m_viewer->setHTMLDocument(static_cast<TWHTMLBodyElement *>(m_rootElement));
if(!state.fragmentId.empty()){
twRect rt=m_viewer->rectForId(state.fragmentId);
m_viewer->setContentLocation(twPoint(0,rt.y));
}
setUrlType(state.url.type());
break;
}
}else{
if(!state.fragmentId.empty()){
twRect rt=m_viewer->rectForId(state.fragmentId);
m_viewer->setContentLocationAnimated(twPoint(0,rt.y));
}
m_currentState=state;
}
m_viewer->invalidate();
break;
case XTBURLTypeSystemCall:
// shouldn't come here; ignore.
return false;
}
if(urlChanged)
sendCmdToParent();
return true;
}
XTBDocument *XTBBrowser::documentForBrowserState(const XTBBrowserState& state) const{
return state.url.document();
}
int XTBBrowser::pageForFragmentId(const std::wstring& fragmentId, const XTBArticle *article) const{
if(fragmentId.empty())
return 1;
if(fragmentId[0]>=L'0' && fragmentId[0]<=L'9'){
// direct specify
int page=TWUtils::intValueFromString(fragmentId);
int pageCount=article->pagesCount();
// correct the page to fit in range
if(page<1)
page=1;
if(page>pageCount)
page=pageCount;
return page;
}
return article->pageForFragmentId(fragmentId);
}
void XTBBrowser::loadPage(XTBBrowserState* state, XTBBrowserLoadPageResult *result){
// initialize random seed for RandomSelection.
srand(twGetTicks()); rand();rand();rand();
try{
XTBBrowserState nowState=m_currentState;
XTBSetProgressText(XTBLocalizedString(L"XTBBrowserLoadingArticle"));
if(nowState.url!=state->url){
std::auto_ptr<XTBDocument> newArticle(documentForBrowserState(*state));
if(!newArticle.get()){
result->exceptionThrown=true;
result->msg=XTBLocalizedString(L"XTBBrowserPageNotReturned");
return;
}
if(m_shownDocument)
delete m_shownDocument;
m_shownDocument=newArticle.release();
}
XTBArticle *article;
std::wstring html;
if((article=dynamic_cast<XTBArticle *>(m_shownDocument))){
if(isSinglePageMode()){
html=article->htmlForPage(1);
int pageCount=article->pagesCount();
for(int i=2;i<=pageCount;i++)
html+=article->htmlForPage(i);
}else{
if(state->page==XTBBrowserStatePageUnknown){
int newPage=pageForFragmentId(state->fragmentId, article);
state->page=newPage;
}
html=article->htmlForPage(state->page);
}
}else{
html=L"<img src=\""+state->url.urlString()+L"\" />";
}
std::auto_ptr<TWHTMLBodyElement> rootElement(static_cast<TWHTMLBodyElement *>(TWHTMLElement::nodeWithName(L"body")));
{
TWHTMLBuilder builder(rootElement.get());
{
TWReader reader(html);
XTBSetProgressText(XTBLocalizedString(L"XTBBrowserParsing"));
builder.expand(&reader);
}
}
m_currentState=*state;
if(m_rootElement){
delete m_rootElement;
}
m_rootElement=rootElement.release();
}catch(const std::wstring& str){
result->exceptionThrown=true;
result->msg=str;
}catch(const std::exception& ex){
result->exceptionThrown=true;
result->msg=twM2W(ex.what());
}catch(const std::string& str){
result->exceptionThrown=true;
result->msg=twM2W(str);
}catch(...){
result->exceptionThrown=true;
result->msg=L"";
}
}
bool XTBBrowser::isSinglePageMode() const{
if(XTBUserDefaults::standardUserDefaults()->numberForKey
(XTBUserDefaultsKeySinglePage)->boolValue()){
return true;
}
return false;
}
#pragma mark - Navigation Controller (Low-level)
void XTBBrowser::updateHistory(){
m_currentState=currentActualState();
*m_historyPos=currentActualState();
}
XTBBrowserState XTBBrowser::currentActualState() const{
XTBBrowserState state=m_currentState;
state.contentLocation=m_viewer->getContentLocation();
return state;
}
void XTBBrowser::advanceHistory(){
// remove the following history items.
#if XTBBROWSER_HISTORY_VECTOR
m_history.erase(m_historyPos+1, m_history.end());
// create an new history.
m_history.push_back(currentActualState());
// move to the new history.
m_historyPos=m_history.end()-1;
#else
XTBBrowserStateList::iterator it, it2;
it=m_historyPos; it++;
while(it!=m_history.end()){
it2=it; it2++;
m_history.erase(it);
it=it2;
}
// create an new history.
m_history.push_back(currentActualState());
// move to the new history.
it=m_historyPos;
it++; it2=it; it2++;
assert(it2==m_history.end());
m_historyPos=it;
assert(it!=m_history.end());
#endif
}
bool XTBBrowser::isStateNeedsAdvancingHistory(const XTBBrowserState &state) const{
const XTBBrowserState& oldState=m_currentState;
if(oldState.url.type()!=state.url.type())
return true;
switch(oldState.url.type()){
case XTBURLTypeHome:
case XTBURLTypeSearch:
return false;
case XTBURLTypeDocument:
if(oldState.url!=state.url)
return true;
if(oldState.fragmentId!=state.fragmentId)
return true;
return false;
case XTBURLTypeSystemCall:
assert(0);
return false;
}
assert(0);
}
bool XTBBrowser::moveToHistoryPos(XTBBrowserStateList::iterator newHistoryPos){
// if there's no movement, no-op.
if(m_historyPos==newHistoryPos)
return true;
assert(newHistoryPos!=m_history.end());
updateHistory();
const XTBBrowserState& newState=*newHistoryPos;
bool succeeded=displayURL(newState);
if(succeeded){
// move to the target history item.
m_historyPos=newHistoryPos;
// restore the scroll position;
m_viewer->setContentLocation(newState.contentLocation);
// update the search(address) bar.
updateSearchBar();
}else{
// transition failed.
// no need to move to the target history item because
// the previous page will be preserved.
}
return succeeded;
}
void XTBBrowser::updateSearchBar(){
m_searchBar->getTextField()->setTitle(currentActualState().urlString());
}
#pragma mark - Navigation Controller (High-level)
std::wstring XTBBrowser::displayTitle() const{
const XTBBrowserState& state=currentActualState();
switch(state.url.type()){
case XTBURLTypeHome:
return XTBLocalizedString(L"XTBBrowserTitleHome");
case XTBURLTypeSearch:
return XTBFormat(XTBLocalizedString(L"XTBBrowserTitleSearch"), state.url.urlString().c_str(), NULL);
case XTBURLTypeDocument:
XTBArticle *article;
if((article=dynamic_cast<XTBArticle *>(m_shownDocument))!=NULL){
std::wstring str=article->displayTitle();
if(!str.empty())
return str;
}
return state.url.urlString();
case XTBURLTypeSystemCall:
return L"XTBook";
}
assert(false);
return L"";
}
void XTBBrowser::navigate(std::wstring const &url){
XTBBrowserState state=stateForURLString(url);
// if it is system call?
if(state.url.type()==XTBURLTypeSystemCall){
invokeSystemCall(state);
return;
}
// if nothing changes, do not visit.
if(state.url==m_currentState.url &&
state.fragmentId==m_currentState.fragmentId){
// but... move to fragment.
if(!m_currentState.fragmentId.empty()){
twRect rt=m_viewer->rectForId(state.fragmentId);
m_viewer->setContentLocationAnimated(twPoint(0,rt.y));
}
return;
}
// really exists?
if(!state.url.isReachable()){
// doesn't exist.
std::wstring msg=XTBLocalizedString(L"XTBBrowserUrlNotFound");
msg=XTBFormat(msg, url.c_str(), NULL);
twWnd *parent=getRootWindow();
twMsgBox(parent, msg, twMBB_ok, XTBLocalizedString(L"XTBError"), true);
return;
}
// write history database.
if(state.url.type()==XTBURLTypeDocument){
XTBHistoryDB::visitPage(url);
}
// save the current history.
updateHistory();
// will we need to advance the history?
bool shouldAdvanceHistory=isStateNeedsAdvancingHistory(state);
// display the target.
bool succeeded=displayURL(state);
if(succeeded){
//XTBLog("succeeded.");
if(shouldAdvanceHistory){
advanceHistory();
//XTBLog("advanced history.");
}
updateHistory();
updateSearchBar();
}else{
// don't move from the current history item.
//XTBLog("failed.");
}
}
bool XTBBrowser::canGoBack() const{
return m_historyPos!=m_history.begin();
}
bool XTBBrowser::canGoForward() const{
XTBBrowserStateList::iterator it=m_historyPos;
it++;
return it!=m_history.end();
}
void XTBBrowser::goBack(){
// make sure we can go back.
if(!canGoBack())
XTBThrowException(L"XTBInvalidCallException", NULL);
// retreat the history.
XTBBrowserStateList::iterator it=m_historyPos;
assert(it!=m_history.end());
assert(it!=m_history.begin());
it--;
assert(it!=m_history.end());
// perform the navigation.
moveToHistoryPos(it);
updateSearchBar();
}
void XTBBrowser::goForward(){
// make sure we can go forward.
if(!canGoForward())
XTBThrowException(L"XTBInvalidCallException", NULL);
// advance the history.
XTBBrowserStateList::iterator it=m_historyPos;
assert(it!=m_history.end());
it++;
assert(it!=m_history.end());
// perform the navigation.
moveToHistoryPos(it);
updateSearchBar();
}
void XTBBrowser::openLink(const std::wstring & url){
navigate(url);
}
void XTBBrowser::openLinkInNewTab(const std::wstring &url){
if(m_delegate)
m_delegate->openLinkInNewTab(url, this);
}
bool XTBBrowser::canOpenInNewTab() const{
if(m_delegate)
return m_delegate->canOpenInNewTab(const_cast<XTBBrowser *>(this));
return false;
}
#pragma mark - System Call
void XTBBrowser::invalidSystemCall(){
twWnd *parent=getRootWindow();
twMsgBox(parent, XTBLocalizedString(L"XTBBrowserInvalidSystemCall"), twMBB_ok, XTBLocalizedString(L"XTBError"), true);
return;
}
void XTBBrowser::invokeSystemCall(const XTBBrowserState &url){
if(url.url.articleName==L"page"){
if(url.fragmentId==L"first"){
goFirstPage();
}else if(url.fragmentId==L"last"){
goLastPage();
}else if(url.fragmentId==L"previous"){
goPreviousPage();
}else if(url.fragmentId==L"next"){
goNextPage();
}else{
int pageNum=TWUtils::intValueFromString(url.fragmentId);
if(pageNum<1 || pageNum>pagesCount()){
invalidSystemCall();
}else{
setCurrentPage(pageNum);
}
}
}else if(url.url.articleName==L"history"){
if(url.fragmentId==L"back"){
goBack();
}else if(url.fragmentId==L"forward"){
goForward();
}else{
invalidSystemCall();
}
}else if(url.url.articleName==L"contents"){
if(url.fragmentId==L"show"){
showContents();
}else{
invalidSystemCall();
}
}else if(url.url.articleName==L"bookmark"){
if(url.fragmentId==L"register"){
setPageBookmarked(true, currentActualState());
}else if(url.fragmentId==L"unregister"){
setPageBookmarked(false, currentActualState());
}else if(url.fragmentId==L"toggle"){
doBookmark();
}else{
invalidSystemCall();
}
}else if(url.url.articleName==L"footnote"){
if(!showFootnote(url.fragmentId)){
invalidSystemCall();
}
}else if(url.url.articleName==L"version"){
twMsgBox(NULL, XTBLongVersionInformation(),
twMBB_ok, XTBLocalizedString(L"XTBVersionInformation"), true);
}
}
bool XTBBrowser::showFootnote(const std::wstring &linkId){
// find the footnote link.
TWHTMLElement *node=m_viewer->htmlElementForId(linkId);
if(!node){
return false;
}
TWHTMLElement *footnote=findFootnoteBody(node);
if(!footnote){
return false;
}
{
XTBFootnoteView footnoteView(footnote);
footnoteView.showModal(NULL);
// make sure footnote view is destroyed here.
}
// return the footnote body.
node->addChild(footnote);
return true;
}
TWHTMLElement *XTBBrowser::findFootnoteBody(TWHTMLElement *parent){
TWNode *child=parent->firstChild();
for(;child;child=child->nextSibling()){
TWHTMLElement *elm=static_cast<TWHTMLElement *>(child);
if(elm->type()==TWHTMLElementTypeDiv)
return elm;
}
return NULL;
}
#pragma mark - Paging
bool XTBBrowser::isPaged() const{
if(m_currentState.url.type()==XTBURLTypeDocument){
return dynamic_cast<XTBArticle *>(m_shownDocument)!=NULL;
}
return false;
}
int XTBBrowser::pagesCount() const{
assert(isPaged());
if(isSinglePageMode()){
return 1;
}
XTBArticle *article=dynamic_cast<XTBArticle *>(m_shownDocument);
assert(article);
return article->pagesCount();
}
int XTBBrowser::currentPage() const{
assert(isPaged());
return m_currentState.page;
}
void XTBBrowser::setCurrentPage(int page){
assert(isPaged());
XTBBrowserState state=currentActualState();
state.page=page;
displayURL(state);
}
bool XTBBrowser::canGoFirstPage() const{
if(!isPaged())
return false;
return currentPage()>1;
}
bool XTBBrowser::canGoPreviousPage() const{
if(!isPaged())
return false;
return currentPage()>1;
}
bool XTBBrowser::canGoNextPage() const{
if(!isPaged())
return false;
return currentPage()<pagesCount();
}
bool XTBBrowser::canGoLastPage() const{
if(!isPaged())
return false;
return currentPage()<pagesCount();
}
void XTBBrowser::goFirstPage(){
assert(canGoFirstPage());
setCurrentPage(1);
}
void XTBBrowser::goPreviousPage(){
assert(canGoPreviousPage());
setCurrentPage(currentPage()-1);
}
void XTBBrowser::goNextPage(){
assert(canGoNextPage());
setCurrentPage(currentPage()+1);
}
void XTBBrowser::goLastPage(){
assert(canGoLastPage());
setCurrentPage(pagesCount());
}
#pragma mark - Bookmark
bool XTBBrowser::canBookmark() const{
return true;
}
void XTBBrowser::doBookmark(){
setPageBookmarked(!isPageBookmarked(m_currentState), m_currentState);
}
bool XTBBrowser::isPageBookmarked(const XTBBrowserState& state) const{
XTBUserDefaults *def=XTBUserDefaults::standardUserDefaults();
TPLDictionary *dic;
dic=def->dictionaryForKey(XTBUserDefaultsKeyBookmarks);
TPLAutoReleasePtr<TPLString> key=state.tplUrlString();
return dic->objectForKey(key->UTF8String())!=NULL;
}
void XTBBrowser::setPageBookmarked(bool bookmarked, const XTBBrowserState& state) const{
XTBUserDefaults *def=XTBUserDefaults::standardUserDefaults();
TPLDictionary *dic;
dic=def->dictionaryForKey(XTBUserDefaultsKeyBookmarks);
TPLAutoReleasePtr<TPLString> key=state.tplUrlString();
// no change?
if((dic->objectForKey(key->UTF8String())!=NULL)==bookmarked){
return;
}
if(!bookmarked){
dic->removeObjectForKey(key->UTF8String());
}else{
std::string displayTitleUTF8=twW2M(displayTitle());
TPLAutoReleasePtr<TPLString> title=new TPLString(displayTitleUTF8.c_str());
dic->setObject(&(*title), key->UTF8String());
}
def->synchronize();
XTBNotificationCenter *center=XTBNotificationCenter::defaultNotificationCenter();
center->sendNotification(XTBBookmarkModifiedNotification);
assert(isPageBookmarked(state)==bookmarked);
}
#pragma mark - Contents
bool XTBBrowser::canShowContents() const{
if(m_currentState.url.type()==XTBURLTypeDocument){
return dynamic_cast<XTBArticle *>(m_shownDocument)!=NULL;
}
return false;
}
void XTBBrowser::showContents(){
XTBArticle *article=dynamic_cast<XTBArticle *>(m_shownDocument);
if(!article){
XTBThrowException(L"XTBInvalidCallException", NULL);
}
XTBContentsChooser chooser
(article, currentIndex());
if(chooser.showModal(NULL)==twDR_ok){
XTBArticleIndexItem idx=article->indexAt(chooser.lastSelectedIndex());
std::wstring fragmentId=idx.fragmentId;
int page=idx.page;
if(page!=currentPage()){
setCurrentPage(page);
}
twRect rt=m_viewer->rectForId(fragmentId);
m_viewer->setContentLocationAnimated(twPoint(0, rt.y));
}
}
int XTBBrowser::currentIndex() const{
int lastIndex=-1;
XTBArticle *article=dynamic_cast<XTBArticle *>(m_shownDocument);
if(!article){
XTBThrowException(L"XTBInvalidCallException", NULL);