Background retrieval of save info and save list.

src/PowderToy.cpp

@@ -18,6 +18,8 @@
 #include "game/GameController.h"
 #include "game/GameView.h"
 
+#include "dialogues/ErrorMessage.h"
+
 #include "client/HTTP.h"
 
 using namespace std;
@@ -73,6 +75,8 @@ int main(int argc, char * argv[])
 	GameController * gameController = new GameController();
 	engine->ShowWindow(gameController->GetView());
 
+	new ErrorMessage("Error", "This is a test error message");
+
 	SDL_Event event;
 	while(engine->Running())
 	{

src/dialogues/ErrorMessage.cpp

@@ -0,0 +1,50 @@
+/*
+ * ErrorMessage.cpp
+ *
+ *  Created on: Jan 29, 2012
+ *      Author: Simon
+ */
+
+#include "ErrorMessage.h"
+#include "interface/Button.h"
+#include "interface/Label.h"
+
+ErrorMessage::ErrorMessage(std::string title, std::string message):
+	ui::Window(ui::Point(-1, -1), ui::Point(200, 75))
+{
+	ui::Label * titleLabel = new ui::Label(ui::Point(2, 1), ui::Point(Size.X-4, 16), title);
+	titleLabel->SetTextColour(ui::Colour(200, 100, 50));
+	titleLabel->SetAlignment(AlignLeft, AlignBottom);
+	AddComponent(titleLabel);
+
+	ui::Label * messageLabel = new ui::Label(ui::Point(4, 18), ui::Point(Size.X-8, 60), message);
+	messageLabel->SetAlignment(AlignLeft, AlignTop);
+	AddComponent(messageLabel);
+
+	class DismissAction: public ui::ButtonAction
+	{
+		void ActionCallback(ui::Button * sender)
+		{
+			ui::Engine::Ref().CloseWindow();
+		}
+	};
+
+	ui::Button * okayButton = new ui::Button(ui::Point(0, Size.Y-16), ui::Point(Size.X, 16), "Dismiss");
+	okayButton->SetAlignment(AlignRight, AlignBottom);
+	okayButton->SetBorderColour(ui::Colour(200, 200, 200));
+	okayButton->SetActionCallback(new DismissAction());
+	AddComponent(okayButton);
+	ui::Engine::Ref().ShowWindow(this);
+}
+
+void ErrorMessage::OnDraw()
+{
+	Graphics * g = ui::Engine::Ref().g;
+
+	g->clearrect(Position.X-2, Position.Y-2, Size.X+4, Size.Y+4);
+	g->drawrect(Position.X, Position.Y, Size.X, Size.Y, 200, 200, 200, 255);
+}
+
+ErrorMessage::~ErrorMessage() {
+}
+

src/dialogues/ErrorMessage.h

@@ -0,0 +1,20 @@
+/*
+ * ErrorMessage.h
+ *
+ *  Created on: Jan 29, 2012
+ *      Author: Simon
+ */
+
+#ifndef ERRORMESSAGE_H_
+#define ERRORMESSAGE_H_
+
+#include "interface/Window.h"
+
+class ErrorMessage: public ui::Window {
+public:
+	ErrorMessage(std::string title, std::string message);
+	virtual void OnDraw();
+	virtual ~ErrorMessage();
+};
+
+#endif /* ERRORMESSAGE_H_ */

src/interface/Label.cpp

@@ -6,7 +6,7 @@
 
 using namespace ui;
 
-Label::Label(Window* parent_state, std::string labelText):
+/*Label::Label(Window* parent_state, std::string labelText):
 	Component(parent_state),
 	text(labelText),
 	textPosition(ui::Point(0, 0)),
@@ -14,19 +14,20 @@ Label::Label(Window* parent_state, std::string labelText):
 	textHAlign(AlignCentre)
 {
 	TextPosition();
-}
+}*/
 
 Label::Label(Point position, Point size, std::string labelText):
 	Component(position, size),
 	text(labelText),
 	textPosition(ui::Point(0, 0)),
 	textVAlign(AlignMiddle),
-	textHAlign(AlignCentre)
+	textHAlign(AlignCentre),
+	textColour(255, 255, 255)
 {
 	TextPosition();
 }
 
-Label::Label(std::string labelText):
+/*Label::Label(std::string labelText):
 	Component(),
 	text(labelText),
 	textPosition(ui::Point(0, 0)),
@@ -34,7 +35,7 @@ Label::Label(std::string labelText):
 	textHAlign(AlignCentre)
 {
 	TextPosition();
-}
+}*/
 
 Label::~Label()
 {
@@ -80,6 +81,6 @@ void Label::SetText(std::string text)
 void Label::Draw(const Point& screenPos)
 {
 	Graphics * g = Engine::Ref().g;
-	g->drawtext(screenPos.X+textPosition.X, screenPos.Y+textPosition.Y, text, 255, 255, 255, 255);
+	g->drawtext(screenPos.X+textPosition.X, screenPos.Y+textPosition.Y, text, textColour.Red, textColour.Green, textColour.Blue, 255);
 }
 

src/interface/Label.h

@@ -5,6 +5,7 @@
 
 #include "Component.h"
 #include "Misc.h"
+#include "Colour.h"
 
 namespace ui
 {
@@ -14,10 +15,12 @@ namespace ui
 		ui::Point textPosition;
 		HorizontalAlignment textHAlign;
 		VerticalAlignment textVAlign;
+
+		Colour textColour;
 	public:
-		Label(Window* parent_state, std::string labelText);
+		//Label(Window* parent_state, std::string labelText);
 		Label(Point position, Point size, std::string labelText);
-		Label(std::string labelText);
+		//Label(std::string labelText);
 		virtual ~Label();
 
 		void TextPosition();
@@ -26,6 +29,8 @@ namespace ui
 		VerticalAlignment GetVAlignment() { return textVAlign; }
 		void SetAlignment(HorizontalAlignment hAlign, VerticalAlignment vAlign) { textHAlign = hAlign; textVAlign = vAlign; TextPosition(); }
 
+		void SetTextColour(Colour textColour) { this->textColour = textColour; }
+
 
 		virtual void Draw(const Point& screenPos);
 	};

src/preview/PreviewController.cpp

@@ -13,7 +13,6 @@
 PreviewController::PreviewController(int saveID, ControllerCallback * callback):
 	HasExited(false)
 {
-	// TODO Auto-generated constructor stub
 	previewModel = new PreviewModel();
 	previewView = new PreviewView();
 	previewModel->AddObserver(previewView);
@@ -24,6 +23,11 @@ PreviewController::PreviewController(int saveID, ControllerCallback * callback):
 	this->callback = callback;
 }
 
+void PreviewController::Update()
+{
+	previewModel->Update();
+}
+
 Save * PreviewController::GetSave()
 {
 	return previewModel->GetSave();

src/preview/PreviewController.h

@@ -27,6 +27,7 @@ public:
 	bool GetDoOpen();
 	Save * GetSave();
 	PreviewView * GetView() { return previewView; }
+	void Update();
 	virtual ~PreviewController();
 };
 

src/preview/PreviewModel.cpp

@@ -11,18 +11,63 @@
 PreviewModel::PreviewModel():
 	save(NULL),
 	savePreview(NULL),
-	doOpen(false)
+	doOpen(false),
+	updateSavePreviewWorking(false),
+	updateSavePreviewFinished(false),
+	updateSaveInfoWorking(false),
+	updateSaveInfoFinished(false)
 {
 	// TODO Auto-generated constructor stub
 
 }
 
+void * PreviewModel::updateSaveInfoTHelper(void * obj)
+{
+	return ((PreviewModel*)obj)->updateSaveInfoT();
+}
+
+void * PreviewModel::updateSavePreviewTHelper(void * obj)
+{
+	return ((PreviewModel*)obj)->updateSavePreviewT();
+}
+
+void * PreviewModel::updateSaveInfoT()
+{
+	Save * tempSave = Client::Ref().GetSave(tSaveID, tSaveDate);
+	updateSaveInfoFinished = true;
+	return tempSave;
+}
+
+void * PreviewModel::updateSavePreviewT()
+{
+	Thumbnail * tempThumb = Client::Ref().GetPreview(tSaveID, tSaveDate);
+	updateSavePreviewFinished = true;
+	return tempThumb;
+}
+
 void PreviewModel::UpdateSave(int saveID, int saveDate)
 {
-	save = Client::Ref().GetSave(saveID, saveDate);
+	this->tSaveID = saveID;
-	notifySaveChanged();
+	this->tSaveDate = saveDate;
-	savePreview = Client::Ref().GetPreview(saveID, saveDate);
+
+	save = NULL;
+	savePreview = NULL;
 	notifyPreviewChanged();
+	notifySaveChanged();
+
+	if(!updateSavePreviewWorking)
+	{
+		updateSavePreviewWorking = true;
+		updateSavePreviewFinished = false;
+		pthread_create(&updateSavePreviewThread, 0, &PreviewModel::updateSavePreviewTHelper, this);
+	}
+
+	if(!updateSaveInfoWorking)
+	{
+		updateSaveInfoWorking = true;
+		updateSaveInfoFinished = false;
+		pthread_create(&updateSaveInfoThread, 0, &PreviewModel::updateSaveInfoTHelper, this);
+	}
 }
 
 void PreviewModel::SetDoOpen(bool doOpen)
@@ -67,6 +112,27 @@ void PreviewModel::AddObserver(PreviewView * observer) {
 	observer->NotifySaveChanged(this);
 }
 
+void PreviewModel::Update()
+{
+	if(updateSavePreviewWorking)
+	{
+		if(updateSavePreviewFinished)
+		{
+			pthread_join(updateSavePreviewThread, (void**)(&savePreview));
+			notifyPreviewChanged();
+		}
+	}
+
+	if(updateSaveInfoWorking)
+	{
+		if(updateSaveInfoFinished)
+		{
+			pthread_join(updateSaveInfoThread, (void**)(&save));
+			notifySaveChanged();
+		}
+	}
+}
+
 PreviewModel::~PreviewModel() {
 	if(save)
 		delete save;

src/preview/PreviewModel.h

@@ -9,6 +9,7 @@
 #define PREVIEWMODEL_H_
 
 #include <vector>
+#include <pthread.h>
 #include "PreviewView.h"
 #include "search/Save.h"
 #include "search/Thumbnail.h"
@@ -23,6 +24,22 @@ class PreviewModel {
 	Thumbnail * savePreview;
 	void notifyPreviewChanged();
 	void notifySaveChanged();
+
+	//Background retrieval
+	int tSaveID;
+	int tSaveDate;
+
+	bool updateSavePreviewWorking;
+	volatile bool updateSavePreviewFinished;
+	pthread_t updateSavePreviewThread;
+	static void * updateSavePreviewTHelper(void * obj);
+	void * updateSavePreviewT();
+
+	bool updateSaveInfoWorking;
+	volatile bool updateSaveInfoFinished;
+	pthread_t updateSaveInfoThread;
+	static void * updateSaveInfoTHelper(void * obj);
+	void * updateSaveInfoT();
 public:
 	PreviewModel();
 	Thumbnail * GetPreview();
@@ -31,6 +48,7 @@ public:
 	void UpdateSave(int saveID, int saveDate);
 	bool GetDoOpen();
 	void SetDoOpen(bool doOpen);
+	void Update();
 	virtual ~PreviewModel();
 };
 

src/preview/PreviewView.cpp

@@ -57,6 +57,11 @@ void PreviewView::OnDraw()
 	g->draw_line(Position.X+XRES/2, Position.Y, Position.X+XRES/2, Position.Y+Size.Y, 255, 255, 255, XRES+BARSIZE);
 }
 
+void PreviewView::OnTick(float dt)
+{
+	c->Update();
+}
+
 void PreviewView::OnMouseDown(int x, int y, unsigned button)
 {
 	if(!(x > Position.X && y > Position.Y && y < Position.Y+Size.Y && x < Position.X+Size.X)) //Clicked outside window

src/preview/PreviewView.h

@@ -28,6 +28,7 @@ public:
 	void NotifyPreviewChanged(PreviewModel * sender);
 	void NotifySaveChanged(PreviewModel * sender);
 	virtual void OnDraw();
+	virtual void OnTick(float dt);
 	virtual void OnMouseDown(int x, int y, unsigned button);
 	virtual ~PreviewView();
 };

src/search/SearchController.cpp

@@ -43,6 +43,7 @@ Save * SearchController::GetLoadedSave()
 
 void SearchController::Update()
 {
+	searchModel->Update();
 	if(activePreview && activePreview->HasExited)
 	{
 		delete activePreview;

src/search/SearchModel.cpp

@@ -6,29 +6,43 @@
 SearchModel::SearchModel():
 	currentSort("votes"),
 	showOwn(false),
-	loadedSave(NULL)
+	loadedSave(NULL),
+	updateSaveListWorking(false),
+	updateSaveListFinished(false),
+	saveListLoaded(false)
 {
 }
 
+void * SearchModel::updateSaveListTHelper(void * obj)
+{
+	return ((SearchModel *)obj)->updateSaveListT();
+}
+
+void * SearchModel::updateSaveListT()
+{
+	vector<Save*> * tempSaveList = Client::Ref().SearchSaves((currentPage-1)*20, 20, lastQuery, currentSort, resultCount);
+	updateSaveListFinished = true;
+	return tempSaveList;
+}
+
 void SearchModel::UpdateSaveList(int pageNumber, std::string query)
 {
 	lastQuery = query;
 	lastError = "";
+	saveListLoaded = false;
 	saveList.clear();
-	currentPage = 1;
+	//resultCount = 0;
-	resultCount = 0;
-	notifySaveListChanged();
-	notifyPageChanged();
-	vector<Save*> * tempSaveList = Client::Ref().SearchSaves((pageNumber-1)*20, 20, query, currentSort, resultCount);
-	saveList = *tempSaveList;
-	delete tempSaveList;
-	if(!saveList.size())
-	{
-		lastError = Client::Ref().GetLastError();
-	}
 	currentPage = pageNumber;
-	notifyPageChanged();
 	notifySaveListChanged();
+	notifyPageChanged();
+
+	//Threading
+	if(!updateSaveListWorking)
+	{
+		updateSaveListFinished = false;
+		updateSaveListWorking = true;
+		pthread_create(&updateSaveListThread, 0, &SearchModel::updateSaveListTHelper, this);
+	}
 }
 
 void SearchModel::SetLoadedSave(Save * save)
@@ -45,6 +59,30 @@ vector<Save*> SearchModel::GetSaveList()
 	return saveList;
 }
 
+void SearchModel::Update()
+{
+	if(updateSaveListWorking)
+	{
+		if(updateSaveListFinished)
+		{
+			updateSaveListWorking = false;
+			lastError = "";
+			saveListLoaded = true;
+			vector<Save*> * tempSaveList;
+			pthread_join(updateSaveListThread, (void**)(&tempSaveList));
+			saveList = *tempSaveList;
+			delete tempSaveList;
+			if(!saveList.size())
+			{
+				lastError = Client::Ref().GetLastError();
+			}
+			//currentPage = pageNumber;
+			notifyPageChanged();
+			notifySaveListChanged();
+		}
+	}
+}
+
 void SearchModel::AddObserver(SearchView * observer)
 {
 	observers.push_back(observer);

src/search/SearchModel.h

@@ -3,6 +3,7 @@
 
 #include <vector>
 #include <string>
+#include <pthread.h>
 #include <math.h>
 #include "Save.h"
 #include "SearchView.h"
@@ -26,6 +27,14 @@ private:
 	void notifyPageChanged();
 	void notifySortChanged();
 	void notifyShowOwnChanged();
+
+	//Variables and methods for backgroun save request
+	bool saveListLoaded;
+	bool updateSaveListWorking;
+	volatile bool updateSaveListFinished;
+	pthread_t updateSaveListThread;
+	static void * updateSaveListTHelper(void * obj);
+	void * updateSaveListT();
 public:
     SearchModel();
     virtual ~SearchModel();
@@ -42,6 +51,8 @@ public:
 	bool GetShowOwn() { return showOwn; }
 	void SetLoadedSave(Save * save);
 	Save * GetLoadedSave();
+	bool GetSavesLoaded() { return saveListLoaded; }
+	void Update();
 };
 
 #endif // SEARCHMODEL_H

src/search/SearchView.cpp

@@ -152,6 +152,16 @@ void SearchView::NotifySaveListChanged(SearchModel * sender)
 		delete saveButtons[i];
 	}
 	saveButtons.clear();
+	if(!sender->GetSavesLoaded())
+	{
+		nextButton->Enabled = false;
+		previousButton->Enabled = false;
+	}
+	else
+	{
+		nextButton->Enabled = true;
+		previousButton->Enabled = true;
+	}
 	if(!saves.size())
 	{
 		if(!errorLabel)
@@ -159,10 +169,17 @@ void SearchView::NotifySaveListChanged(SearchModel * sender)
 			errorLabel = new ui::Label(ui::Point(((XRES+BARSIZE)/2)-100, ((YRES+MENUSIZE)/2)-6), ui::Point(200, 12), "Error");
 			AddComponent(errorLabel);
 		}
-		if(sender->GetLastError().length())
+		if(!sender->GetSavesLoaded())
-			errorLabel->SetText("\bo" + sender->GetLastError());
+		{
+			errorLabel->SetText("Loading...");
+		}
 		else
-			errorLabel->SetText("\boNo saves found");
+		{
+			if(sender->GetLastError().length())
+				errorLabel->SetText("\bo" + sender->GetLastError());
+			else
+				errorLabel->SetText("\boNo saves found");
+		}
 	}
 	else
 	{