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/**
* @file llfloaterhelpbrowser.cpp
* @brief HTML Help floater - uses embedded web browser control
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llfloaterhelpbrowser.h"
#include "llfloaterreg.h"
#include "llhttpconstants.h"
#include "llpluginclassmedia.h"
#include "llmediactrl.h"
#include "llviewerwindow.h"
#include "llviewercontrol.h"
#include "llweb.h"
#include "llui.h"
#include "llurlhistory.h"
#include "llviewermedia.h"
#include "llviewerhelp.h"
LLFloaterHelpBrowser::LLFloaterHelpBrowser(const LLSD& key)
: LLFloater(key)
{
}
BOOL LLFloaterHelpBrowser::postBuild()
{
mBrowser = getChild<LLMediaCtrl>("browser");
mBrowser->addObserver(this);
mBrowser->setErrorPageURL(gSavedSettings.getString("GenericErrorPageURL"));
childSetAction("open_browser", onClickOpenWebBrowser, this);
buildURLHistory();
return TRUE;
}
void LLFloaterHelpBrowser::buildURLHistory()
{
// Get all of the entries in the "browser" collection
LLSD browser_history = LLURLHistory::getURLHistory("browser");
// initialize URL history in the plugin
LLPluginClassMedia *plugin = mBrowser->getMediaPlugin();
if (plugin)
{
plugin->initializeUrlHistory(browser_history);
}
}
void LLFloaterHelpBrowser::onOpen(const LLSD& key)
{
gSavedSettings.setBOOL("HelpFloaterOpen", TRUE);
std::string topic = key.asString();
mBrowser->navigateTo(LLViewerHelp::instance().getURL(topic));
}
//virtual
void LLFloaterHelpBrowser::onClose(bool app_quitting)
{
if (!app_quitting)
{
gSavedSettings.setBOOL("HelpFloaterOpen", FALSE);
}
// really really destroy the help browser when it's closed, it'll be recreated.
destroy(); // really destroy this dialog on closure, it's relatively heavyweight.
}
void LLFloaterHelpBrowser::handleMediaEvent(LLPluginClassMedia* self, EMediaEvent event)
{
switch (event)
{
case MEDIA_EVENT_LOCATION_CHANGED:
setCurrentURL(self->getLocation());
break;
case MEDIA_EVENT_NAVIGATE_BEGIN:
getChild<LLUICtrl>("status_text")->setValue(getString("loading_text"));
break;
case MEDIA_EVENT_NAVIGATE_COMPLETE:
getChild<LLUICtrl>("status_text")->setValue(getString("done_text"));
break;
default:
break;
}
}
void LLFloaterHelpBrowser::setCurrentURL(const std::string& url)
{
mCurrentURL = url;
// redirects will navigate momentarily to about:blank, don't add to history
if (mCurrentURL != "about:blank")
{
// Serialize url history
LLURLHistory::removeURL("browser", mCurrentURL);
LLURLHistory::addURL("browser", mCurrentURL);
}
}
//static
void LLFloaterHelpBrowser::onClickClose(void* user_data)
{
LLFloaterHelpBrowser* self = (LLFloaterHelpBrowser*)user_data;
self->closeFloater();
}
//static
void LLFloaterHelpBrowser::onClickOpenWebBrowser(void* user_data)
{
LLFloaterHelpBrowser* self = (LLFloaterHelpBrowser*)user_data;
std::string url = self->mCurrentURL.empty() ?
self->mBrowser->getHomePageUrl() :
self->mCurrentURL;
LLWeb::loadURLExternal(url);
}
void LLFloaterHelpBrowser::openMedia(const std::string& media_url)
{
// explicitly make the media mime type for this floater since it will
// only ever display one type of content (Web).
mBrowser->setHomePageUrl(media_url, HTTP_CONTENT_TEXT_HTML);
mBrowser->navigateTo(media_url, HTTP_CONTENT_TEXT_HTML);
setCurrentURL(media_url);
}
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