Added threaded loading of channel posts.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7480 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/Posted/PostedListWidget.cpp

@@ -49,6 +49,10 @@ PostedListWidget::PostedListWidget(const RsGxsGroupId &postedId, QWidget *parent
 	mStateHelper->addWidget(mTokenTypePosts, ui->newSortButton);
 	mStateHelper->addWidget(mTokenTypePosts, ui->topSortButton);
 
+	mStateHelper->addWidget(mTokenTypeRelatedPosts, ui->hotSortButton);
+	mStateHelper->addWidget(mTokenTypeRelatedPosts, ui->newSortButton);
+	mStateHelper->addWidget(mTokenTypeRelatedPosts, ui->topSortButton);
+
 	mStateHelper->addWidget(mTokenTypeGroupData, ui->submitPostButton);
 	mStateHelper->addWidget(mTokenTypeGroupData, ui->subscribeToolButton);
 
@@ -532,7 +536,7 @@ bool PostedListWidget::insertGroupData(const uint32_t &token, RsGroupMetaData &m
 	return false;
 }
 
-void PostedListWidget::insertPosts(const uint32_t &token)
+void PostedListWidget::insertPosts(const uint32_t &token, GxsMessageFramePostThread */*thread*/)
 {
 	std::vector<RsPostedPost> posts;
 	rsPosted->getPostData(token, posts);

retroshare-gui/src/gui/Posted/PostedListWidget.h

@@ -61,7 +61,7 @@ public:
 protected:
 	/* GxsMessageFramePostWidget */
 	virtual bool insertGroupData(const uint32_t &token, RsGroupMetaData &metaData);
-	virtual void insertPosts(const uint32_t &token);
+	virtual void insertPosts(const uint32_t &token, GxsMessageFramePostThread *thread);
 	virtual void insertRelatedPosts(const uint32_t &token);
 	virtual void clearPosts();
 

retroshare-gui/src/gui/common/UIStateHelper.cpp

@@ -22,6 +22,7 @@
 #include <QLabel>
 #include <QWidget>
 #include <QLineEdit>
+#include <QProgressBar>
 
 #include "UIStateHelper.h"
 #include "RSTreeWidget.h"
@@ -441,7 +442,16 @@ void UIStateHelper::updateData(UIStateHelperData *data)
 		UIStates states = it.value();
 
 		if (states & (UISTATE_LOADING_VISIBLE | UISTATE_LOADING_INVISIBLE | UISTATE_ACTIVE_VISIBLE | UISTATE_ACTIVE_INVISIBLE)) {
-			widget->setVisible(isWidgetVisible(widget));
+			bool visible = isWidgetVisible(widget);
+			widget->setVisible(visible);
+
+			if (!visible) {
+				/* Reset progressbar */
+				QProgressBar *progressBar = dynamic_cast<QProgressBar*>(widget);
+				if (progressBar) {
+					progressBar->setValue(0);
+				}
+			}
 		}
 
 		if (states & (UISTATE_LOADING_ENABLED | UISTATE_LOADING_DISABLED | UISTATE_ACTIVE_ENABLED | UISTATE_ACTIVE_DISABLED)) {

retroshare-gui/src/gui/gxs/GxsMessageFramePostWidget.cpp

@@ -19,6 +19,8 @@
  *  Boston, MA  02110-1301, USA.
  ****************************************************************/
 
+#include <QApplication>
+
 #include "GxsMessageFramePostWidget.h"
 #include "GxsFeedItem.h"
 #include "gui/common/UIStateHelper.h"
@@ -34,6 +36,7 @@ GxsMessageFramePostWidget::GxsMessageFramePostWidget(RsGxsIfaceHelper *ifaceImpl
 
 	mSubscribeFlags = 0;
 	mNextTokenType = 0;
+	mFillThread = NULL;
 
 	mTokenTypeGroupData = nextTokenType();
 	mTokenTypePosts = nextTokenType();
@@ -43,6 +46,15 @@ GxsMessageFramePostWidget::GxsMessageFramePostWidget(RsGxsIfaceHelper *ifaceImpl
 	mStateHelper = new UIStateHelper(this);
 }
 
+GxsMessageFramePostWidget::~GxsMessageFramePostWidget()
+{
+	if (mFillThread) {
+		mFillThread->stop(true);
+		delete(mFillThread);
+		mFillThread = NULL;
+	}
+}
+
 void GxsMessageFramePostWidget::setGroupId(const RsGxsGroupId &groupId)
 {
 	if (mGroupId == groupId) {
@@ -116,6 +128,50 @@ void GxsMessageFramePostWidget::updateDisplay(bool complete)
 	}
 }
 
+void GxsMessageFramePostWidget::fillThreadAddPost(const QVariant &post, bool related, int current, int count)
+{
+	if (sender() == mFillThread) {
+		fillThreadCreatePost(post, related, current, count);
+	}
+}
+
+void GxsMessageFramePostWidget::fillThreadFinished()
+{
+#ifdef ENABLE_DEBUG
+	std::cerr << "GxsMessageFramePostWidget::fillThreadFinished()" << std::endl;
+#endif
+
+	/* Thread has finished */
+	GxsMessageFramePostThread *thread = dynamic_cast<GxsMessageFramePostThread*>(sender());
+	if (thread) {
+		if (thread == mFillThread) {
+			/* Current thread has finished */
+			mFillThread = NULL;
+
+			mStateHelper->setLoading(mTokenTypePosts, false);
+			emit groupChanged(this);
+		}
+
+#ifdef ENABLE_DEBUG
+		if (thread->stopped()) {
+			// thread was stopped
+			std::cerr << "GxsMessageFramePostWidget::fillThreadFinished() Thread was stopped" << std::endl;
+		}
+#endif
+
+#ifdef ENABLE_DEBUG
+		std::cerr << "GxsMessageFramePostWidget::fillThreadFinished() Delete thread" << std::endl;
+#endif
+
+		thread->deleteLater();
+		thread = NULL;
+	}
+
+#ifdef ENABLE_DEBUG
+	std::cerr << "GxsMessageFramePostWidget::fillThreadFinished done()" << std::endl;
+#endif
+}
+
 /**************************************************************/
 /** Request / Response of Data ********************************/
 /**************************************************************/
@@ -197,10 +253,20 @@ void GxsMessageFramePostWidget::requestPosts()
 #endif
 
 	/* Request all posts */
-	clearPosts();
 
 	mTokenQueue->cancelActiveRequestTokens(mTokenTypePosts);
 
+	if (mFillThread) {
+		/* Stop current fill thread */
+		GxsMessageFramePostThread *thread = mFillThread;
+		mFillThread = NULL;
+		thread->stop(false);
+
+		mStateHelper->setLoading(mTokenTypePosts, false);
+	}
+
+	clearPosts();
+
 	if (mGroupId.isNull()) {
 		mStateHelper->setActive(mTokenTypePosts, false);
 		mStateHelper->setLoading(mTokenTypePosts, false);
@@ -231,9 +297,26 @@ void GxsMessageFramePostWidget::loadPosts(const uint32_t &token)
 
 	mStateHelper->setActive(mTokenTypePosts, true);
 
-	insertPosts(token);
+	if (useThread()) {
+		/* Create fill thread */
+		mFillThread = new GxsMessageFramePostThread(token, this);
+
+		// connect thread
+		connect(mFillThread, SIGNAL(finished()), this, SLOT(fillThreadFinished()), Qt::BlockingQueuedConnection);
+		connect(mFillThread, SIGNAL(addPost(QVariant,bool,int,int)), this, SLOT(fillThreadAddPost(QVariant,bool,int,int)), Qt::BlockingQueuedConnection);
+
+#ifdef ENABLE_DEBUG
+		std::cerr << "GxsMessageFramePostWidget::loadPosts() Start fill thread" << std::endl;
+#endif
+
+		/* Start thread */
+		mFillThread->start();
+	} else {
+		insertPosts(token, NULL);
 
 		mStateHelper->setLoading(mTokenTypePosts, false);
+	}
+
 	emit groupChanged(this);
 }
 
@@ -247,9 +330,9 @@ void GxsMessageFramePostWidget::requestRelatedPosts(const std::vector<RsGxsMessa
 	mTokenQueue->cancelActiveRequestTokens(mTokenTypeRelatedPosts);
 
 	if (mGroupId.isNull()) {
-		mStateHelper->setActive(mTokenTypePosts, false);
+		mStateHelper->setActive(mTokenTypeRelatedPosts, false);
-		mStateHelper->setLoading(mTokenTypePosts, false);
+		mStateHelper->setLoading(mTokenTypeRelatedPosts, false);
-		mStateHelper->clear(mTokenTypePosts);
+		mStateHelper->clear(mTokenTypeRelatedPosts);
 		emit groupChanged(this);
 		return;
 	}
@@ -258,7 +341,7 @@ void GxsMessageFramePostWidget::requestRelatedPosts(const std::vector<RsGxsMessa
 		return;
 	}
 
-	mStateHelper->setLoading(mTokenTypePosts, true);
+	mStateHelper->setLoading(mTokenTypeRelatedPosts, true);
 	emit groupChanged(this);
 
 	RsTokReqOptions opts;
@@ -280,11 +363,11 @@ void GxsMessageFramePostWidget::loadRelatedPosts(const uint32_t &token)
 	std::cerr << std::endl;
 #endif
 
-	mStateHelper->setActive(mTokenTypePosts, true);
+	mStateHelper->setActive(mTokenTypeRelatedPosts, true);
 
 	insertRelatedPosts(token);
 
-	mStateHelper->setLoading(mTokenTypePosts, false);
+	mStateHelper->setLoading(mTokenTypeRelatedPosts, false);
 	emit groupChanged(this);
 }
 
@@ -309,3 +392,52 @@ void GxsMessageFramePostWidget::loadRequest(const TokenQueue *queue, const Token
 		}
 	}
 }
+
+/**************************************************************/
+/** GxsMessageFramePostThread *********************************/
+/**************************************************************/
+
+GxsMessageFramePostThread::GxsMessageFramePostThread(uint32_t token, GxsMessageFramePostWidget *parent)
+    : QThread(parent), mToken(token), mParent(parent)
+{
+	mStopped = false;
+}
+
+GxsMessageFramePostThread::~GxsMessageFramePostThread()
+{
+#ifdef ENABLE_DEBUG
+	std::cerr << "GxsMessageFramePostThread::~GxsMessageFramePostThread" << std::endl;
+#endif
+}
+
+void GxsMessageFramePostThread::stop(bool waitForStop)
+{
+	if (waitForStop) {
+		disconnect();
+	}
+
+	mStopped = true;
+	QApplication::processEvents();
+
+	if (waitForStop) {
+		wait();
+	}
+}
+
+void GxsMessageFramePostThread::run()
+{
+#ifdef ENABLE_DEBUG
+	std::cerr << "GxsMessageFramePostThread::run()" << std::endl;
+#endif
+
+	mParent->insertPosts(mToken, this);
+
+#ifdef ENABLE_DEBUG
+	std::cerr << "GxsMessageFramePostThread::run() stopped: " << (stopped() ? "yes" : "no") << std::endl;
+#endif
+}
+
+void GxsMessageFramePostThread::emitAddPost(const QVariant &post, bool related, int current, int count)
+{
+	emit addPost(post, related, current, count);
+}

retroshare-gui/src/gui/gxs/GxsMessageFramePostWidget.h

@@ -22,18 +22,24 @@
 #ifndef GXSMESSAGEFRAMEPOSTWIDGET_H
 #define GXSMESSAGEFRAMEPOSTWIDGET_H
 
+#include <QThread>
+
 #include "GxsMessageFrameWidget.h"
 #include "util/TokenQueue.h"
 
 class GxsFeedItem;
 class UIStateHelper;
+class GxsMessageFramePostThread;
 
 class GxsMessageFramePostWidget : public GxsMessageFrameWidget, public TokenResponse
 {
 	Q_OBJECT
 
+	friend class GxsMessageFramePostThread;
+
 public:
 	explicit GxsMessageFramePostWidget(RsGxsIfaceHelper *ifaceImpl, QWidget *parent = NULL);
+	virtual ~GxsMessageFramePostWidget();
 
 	/* GxsMessageFrameWidget */
 	virtual RsGxsGroupId groupId();
@@ -53,6 +59,10 @@ protected:
 
 	virtual void clearPosts() = 0;
 
+	/* Thread functions */
+	virtual bool useThread() { return false; }
+	virtual void fillThreadCreatePost(const QVariant &/*post*/, bool /*related*/, int /*current*/, int /*count*/) {}
+
 	/* GXS functions */
 	void requestGroupData();
 	void loadGroupData(const uint32_t &token);
@@ -60,12 +70,16 @@ protected:
 
 	void requestPosts();
 	void loadPosts(const uint32_t &token);
-	virtual void insertPosts(const uint32_t &token) = 0;
+	virtual void insertPosts(const uint32_t &token, GxsMessageFramePostThread *thread) = 0;
 
 	void requestRelatedPosts(const std::vector<RsGxsMessageId> &msgIds);
 	void loadRelatedPosts(const uint32_t &token);
 	virtual void insertRelatedPosts(const uint32_t &token) = 0;
 
+private slots:
+	void fillThreadFinished();
+	void fillThreadAddPost(const QVariant &post, bool related, int current, int count);
+
 protected:
 	TokenQueue *mTokenQueue;
 	uint32_t mTokenTypeGroupData;
@@ -78,6 +92,30 @@ private:
 	QString mGroupName;
 	int mSubscribeFlags;
 	uint32_t mNextTokenType;
+	GxsMessageFramePostThread *mFillThread;
+};
+
+class GxsMessageFramePostThread : public QThread
+{
+	Q_OBJECT
+
+public:
+	GxsMessageFramePostThread(uint32_t token, GxsMessageFramePostWidget *parent);
+	~GxsMessageFramePostThread();
+
+	void run();
+	void stop(bool waitForStop);
+	bool stopped() { return mStopped; }
+
+	void emitAddPost(const QVariant &post, bool related, int current, int count);
+
+signals:
+	void addPost(const QVariant &post, bool related, int current, int count);
+
+private:
+	uint32_t mToken;
+	GxsMessageFramePostWidget *mParent;
+	volatile bool mStopped;
 };
 
 #endif // GXSMESSAGEFRAMEPOSTWIDGET_H

retroshare-gui/src/gui/gxschannels/GxsChannelDialog.cpp

@@ -52,7 +52,6 @@ QString GxsChannelDialog::text(TextType type)
 		return tr("Create Channel");
 	case TEXT_TODO:
 		return "<b>Open points:</b><ul>"
-		        "<li>Threaded load of messages"
 		        "<li>Share key"
 		        "<li>Restore channel keys"
 		        "<li>Navigate channel link"

retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidget.cpp

@@ -57,10 +57,10 @@ GxsChannelPostsWidget::GxsChannelPostsWidget(const RsGxsGroupId &channelId, QWid
 
 	/* Setup UI helper */
 
-	// No progress yet
+	mStateHelper->addWidget(mTokenTypePosts, ui->progressBar, UISTATE_LOADING_VISIBLE);
-	mStateHelper->addWidget(mTokenTypePosts, ui->loadingLabel, UISTATE_LOADING_VISIBLE);
+	mStateHelper->addWidget(mTokenTypePosts, ui->filterLineEdit);
-//	mStateHelper->addWidget(mTokenTypePosts, ui->progressBar, UISTATE_LOADING_VISIBLE);
+
-//	mStateHelper->addWidget(mTokenTypePosts, ui->progressLabel, UISTATE_LOADING_VISIBLE);
+	mStateHelper->addWidget(mTokenTypeRelatedPosts, ui->loadingLabel, UISTATE_LOADING_VISIBLE);
 
 	mStateHelper->addLoadPlaceholder(mTokenTypeGroupData, ui->nameLabel);
 
@@ -81,7 +81,6 @@ GxsChannelPostsWidget::GxsChannelPostsWidget(const RsGxsGroupId &channelId, QWid
 	/*************** Setup Left Hand Side (List of Channels) ****************/
 
 	ui->loadingLabel->hide();
-	ui->progressLabel->hide();
 	ui->progressBar->hide();
 
 	ui->nameLabel->setMinimumWidth(20);
@@ -271,34 +270,70 @@ void GxsChannelPostsWidget::filterChanged(int filter)
 	return bVisible;
 }
 
-void GxsChannelPostsWidget::insertChannelPosts(std::vector<RsGxsChannelPost> &posts, bool related)
+void GxsChannelPostsWidget::createPostItem(const RsGxsChannelPost &post, bool related)
 {
-	std::vector<RsGxsChannelPost>::const_iterator it;
-
-	uint32_t subscribeFlags = 0xffffffff;
-
-	ui->feedWidget->setSortingEnabled(false);
-
-	for (it = posts.begin(); it != posts.end(); it++)
-	{
-		const RsGxsChannelPost &msg = *it;
-
 	GxsChannelPostItem *item = NULL;
 	if (related) {
-			FeedItem *feedItem = ui->feedWidget->findGxsFeedItem(msg.mMeta.mGroupId, msg.mMeta.mMsgId);
+		FeedItem *feedItem = ui->feedWidget->findGxsFeedItem(post.mMeta.mGroupId, post.mMeta.mMsgId);
 		item = dynamic_cast<GxsChannelPostItem*>(feedItem);
 	}
 	if (item) {
-			item->setContent(*it);
+		item->setContent(post);
-			//TODO: Sort timestamp
+		ui->feedWidget->setSort(item, ROLE_PUBLISH, QDateTime::fromTime_t(post.mMeta.mPublishTs));
 	} else {
-			item = new GxsChannelPostItem(this, 0, *it, subscribeFlags, true, false);
+		uint32_t subscribeFlags = 0xffffffff;
-			ui->feedWidget->addFeedItem(item, ROLE_PUBLISH, QDateTime::fromTime_t(msg.mMeta.mPublishTs));
+		GxsChannelPostItem *item = new GxsChannelPostItem(this, 0, post, subscribeFlags, true, false);
+		ui->feedWidget->addFeedItem(item, ROLE_PUBLISH, QDateTime::fromTime_t(post.mMeta.mPublishTs));
 	}
 }
 
+void GxsChannelPostsWidget::fillThreadCreatePost(const QVariant &post, bool related, int current, int count)
+{
+	/* show fill progress */
+	if (count) {
+		ui->progressBar->setValue(current * ui->progressBar->maximum() / count);
+	}
+
+	if (!post.canConvert<RsGxsChannelPost>()) {
+		return;
+	}
+
+	createPostItem(post.value<RsGxsChannelPost>(), related);
+}
+
+void GxsChannelPostsWidget::insertChannelPosts(std::vector<RsGxsChannelPost> &posts, GxsMessageFramePostThread *thread, bool related)
+{
+	if (related && thread) {
+		std::cerr << "GxsChannelPostsWidget::insertChannelPosts fill only related posts as thread is not possible" << std::endl;
+		return;
+	}
+
+	std::vector<RsGxsChannelPost>::const_iterator it;
+
+	int count = posts.size();
+	int pos = 0;
+
+	if (!thread) {
+		ui->feedWidget->setSortingEnabled(false);
+	}
+
+	for (it = posts.begin(); it != posts.end(); it++)
+	{
+		if (thread && thread->stopped()) {
+			break;
+		}
+
+		if (thread) {
+			thread->emitAddPost(qVariantFromValue(*it), related, ++pos, count);
+		} else {
+			createPostItem(*it, related);
+		}
+	}
+
+	if (!thread) {
 		ui->feedWidget->setSortingEnabled(true);
 	}
+}
 
 void GxsChannelPostsWidget::clearPosts()
 {
@@ -352,12 +387,12 @@ bool GxsChannelPostsWidget::insertGroupData(const uint32_t &token, RsGroupMetaDa
 	return false;
 }
 
-void GxsChannelPostsWidget::insertPosts(const uint32_t &token)
+void GxsChannelPostsWidget::insertPosts(const uint32_t &token, GxsMessageFramePostThread *thread)
 {
 	std::vector<RsGxsChannelPost> posts;
 	rsGxsChannels->getPostData(token, posts);
 
-	insertChannelPosts(posts, false);
+	insertChannelPosts(posts, thread, false);
 }
 
 void GxsChannelPostsWidget::insertRelatedPosts(const uint32_t &token)
@@ -365,7 +400,7 @@ void GxsChannelPostsWidget::insertRelatedPosts(const uint32_t &token)
 	std::vector<RsGxsChannelPost> posts;
 	rsGxsChannels->getRelatedPosts(token, posts);
 
-	insertChannelPosts(posts, true);
+	insertChannelPosts(posts, NULL, true);
 }
 
 static void setAllMessagesReadCallback(FeedItem *feedItem, const QVariant &data)

retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidget.h

@@ -60,9 +60,11 @@ protected:
 	/* GxsMessageFramePostWidget */
 	virtual void groupNameChanged(const QString &name);
 	virtual bool insertGroupData(const uint32_t &token, RsGroupMetaData &metaData);
-	virtual void insertPosts(const uint32_t &token);
+	virtual void insertPosts(const uint32_t &token, GxsMessageFramePostThread *thread);
 	virtual void insertRelatedPosts(const uint32_t &token);
 	virtual void clearPosts();
+	virtual bool useThread() { return true; }
+	virtual void fillThreadCreatePost(const QVariant &post, bool related, int current, int count);
 
 private slots:
 	void createMsg();
@@ -70,9 +72,6 @@ private slots:
 	void subscribeGroup(bool subscribe);
 	void filterChanged(int filter);
 
-	//void fillThreadFinished();
-	//void fillThreadAddMsg(const QString &channelId, const QString &channelMsgId, int current, int count);
-
 private:
 	void processSettings(bool load);
 
@@ -80,7 +79,9 @@ private:
 	static bool filterItem(FeedItem *feedItem, const QString &text, int filter);
 
 	void insertChannelDetails(const RsGxsChannelGroup &group);
-	void insertChannelPosts(std::vector<RsGxsChannelPost> &posts, bool related);
+	void insertChannelPosts(std::vector<RsGxsChannelPost> &posts, GxsMessageFramePostThread *thread, bool related);
+
+	void createPostItem(const RsGxsChannelPost &post, bool related);
 
 private:
 	QAction *mAutoDownloadAction;

retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidget.ui

@@ -177,6 +177,22 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QProgressBar" name="progressBar">
+        <property name="maximumSize">
+         <size>
+          <width>16777215</width>
+          <height>10</height>
+         </size>
+        </property>
+        <property name="maximum">
+         <number>1000</number>
+        </property>
+        <property name="value">
+         <number>0</number>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="LineEditClear" name="filterLineEdit">
         <property name="sizePolicy">
@@ -208,27 +224,6 @@
      </layout>
     </widget>
    </item>
-   <item>
-    <layout class="QHBoxLayout" name="progressLayout">
-     <item>
-      <widget class="QLabel" name="progressLabel">
-       <property name="text">
-        <string>Loading</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QProgressBar" name="progressBar">
-       <property name="maximum">
-        <number>1000</number>
-       </property>
-       <property name="value">
-        <number>24</number>
-       </property>
-      </widget>
-     </item>
-    </layout>
-   </item>
    <item>
     <widget class="RSFeedWidget" name="feedWidget" native="true">
      <property name="sizePolicy">