1 files changed, 125 insertions, 775 deletions

diff --git a/gui/fileselector.cpp b/gui/fileselector.cpp
index cf7a9a908..c7805c42a 100644
--- a/gui/fileselector.cpp
+++ b/gui/fileselector.cpp
@@ -16,25 +16,9 @@
 	along with TWRP.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include <linux/input.h>
-#include <pthread.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
-#include <fcntl.h>
-#include <sys/reboot.h>
 #include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <time.h>
-#include <unistd.h>
-#include <stdlib.h>
 #include <dirent.h>
-#include <ctype.h>
-
 #include <algorithm>
 
 extern "C" {
@@ -49,188 +33,23 @@ extern "C" {
 
 #define TW_FILESELECTOR_UP_A_LEVEL "(Up A Level)"
 
-#define SCROLLING_SPEED_DECREMENT 6
-#define SCROLLING_FLOOR 10
-#define SCROLLING_MULTIPLIER 6
-
 int GUIFileSelector::mSortOrder = 0;
 
-GUIFileSelector::GUIFileSelector(xml_node<>* node) : GUIObject(node)
+GUIFileSelector::GUIFileSelector(xml_node<>* node) : GUIScrollList(node)
 {
 	xml_attribute<>* attr;
 	xml_node<>* child;
-	int header_separator_color_specified = 0, header_separator_height_specified = 0, header_text_color_specified = 0, header_background_color_specified = 0;
 
-	mStart = mLineSpacing = startY = mFontHeight = mSeparatorH = scrollingY = scrollingSpeed = 0;
-	mIconWidth = mIconHeight = mFolderIconHeight = mFileIconHeight = mFolderIconWidth = mFileIconWidth = mHeaderIconHeight = mHeaderIconWidth = 0;
-	mHeaderSeparatorH = mLineHeight = mHeaderIsStatic = mHeaderH = actualLineHeight = 0;
-	mFolderIcon = mFileIcon = mBackground = mFont = mHeaderIcon = NULL;
-	mBackgroundX = mBackgroundY = mBackgroundW = mBackgroundH = 0;
+	int mIconWidth = 0, mIconHeight = 0, mFolderIconHeight = 0, mFileIconHeight = 0, mFolderIconWidth = 0, mFileIconWidth = 0;
+	mFolderIcon = mFileIcon = NULL;
 	mShowFolders = mShowFiles = mShowNavFolders = 1;
-	mFastScrollW = mFastScrollLineW = mFastScrollRectW = mFastScrollRectH = 0;
-	mFastScrollRectX = mFastScrollRectY = -1;
 	mUpdate = 0;
-	touchDebounce = 6;
 	mPathVar = "cwd";
-	ConvertStrToColor("black", &mBackgroundColor);
-	ConvertStrToColor("black", &mHeaderBackgroundColor);
-	ConvertStrToColor("black", &mSeparatorColor);
-	ConvertStrToColor("black", &mHeaderSeparatorColor);
-	ConvertStrToColor("white", &mFontColor);
-	ConvertStrToColor("white", &mHeaderFontColor);
-	ConvertStrToColor("white", &mFastScrollLineColor);
-	ConvertStrToColor("white", &mFastScrollRectColor);
-	hasHighlightColor = false;
-	hasFontHighlightColor = false;
-	isHighlighted = false;
 	updateFileList = false;
-	startSelection = -1;
-
-	// Load header text
-	child = node->first_node("header");
-	if (child)
-	{
-		attr = child->first_attribute("icon");
-		if (attr)
-			mHeaderIcon = PageManager::FindResource(attr->value());
-
-		attr = child->first_attribute("background");
-		if (attr)
-		{
-			std::string color = attr->value();
-			ConvertStrToColor(color, &mHeaderBackgroundColor);
-			header_background_color_specified = -1;
-		}
-		attr = child->first_attribute("textcolor");
-		if (attr)
-		{
-			std::string color = attr->value();
-			ConvertStrToColor(color, &mHeaderFontColor);
-			header_text_color_specified = -1;
-		}
-		attr = child->first_attribute("separatorcolor");
-		if (attr)
-		{
-			std::string color = attr->value();
-			ConvertStrToColor(color, &mHeaderSeparatorColor);
-			header_separator_color_specified = -1;
-		}
-		attr = child->first_attribute("separatorheight");
-		if (attr) {
-			string parsevalue = gui_parse_text(attr->value());
-			mHeaderSeparatorH = atoi(parsevalue.c_str());
-			header_separator_height_specified = -1;
-		}
-	}
-	child = node->first_node("text");
-	if (child)  mHeaderText = child->value();
-
-	memset(&mHighlightColor, 0, sizeof(COLOR));
-	child = node->first_node("highlight");
-	if (child) {
-		attr = child->first_attribute("color");
-		if (attr) {
-			hasHighlightColor = true;
-			std::string color = attr->value();
-			ConvertStrToColor(color, &mHighlightColor);
-		}
-	}
-
-	// Simple way to check for static state
-	mLastValue = gui_parse_text(mHeaderText);
-	if (mLastValue != mHeaderText)
-		mHeaderIsStatic = 0;
-	else
-		mHeaderIsStatic = -1;
-
-	child = node->first_node("icon");
-	if (child)
-	{
-		attr = child->first_attribute("folder");
-		if (attr)
-			mFolderIcon = PageManager::FindResource(attr->value());
-		attr = child->first_attribute("file");
-		if (attr)
-			mFileIcon = PageManager::FindResource(attr->value());
-	}
-	child = node->first_node("background");
-	if (child)
-	{
-		attr = child->first_attribute("resource");
-		if (attr)
-			mBackground = PageManager::FindResource(attr->value());
-		attr = child->first_attribute("color");
-		if (attr)
-		{
-			std::string color = attr->value();
-			ConvertStrToColor(color, &mBackgroundColor);
-			if (!header_background_color_specified)
-				ConvertStrToColor(color, &mHeaderBackgroundColor);
-		}
-	}
-
-	// Load the placement
-	LoadPlacement(node->first_node("placement"), &mRenderX, &mRenderY, &mRenderW, &mRenderH);
-	SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH);
-
-	// Load the font, and possibly override the color
-	child = node->first_node("font");
-	if (child)
-	{
-		attr = child->first_attribute("resource");
-		if (attr)
-			mFont = PageManager::FindResource(attr->value());
-
-		attr = child->first_attribute("color");
-		if (attr)
-		{
-			std::string color = attr->value();
-			ConvertStrToColor(color, &mFontColor);
-			if (!header_text_color_specified)
-				ConvertStrToColor(color, &mHeaderFontColor);
-		}
-
-		attr = child->first_attribute("spacing");
-		if (attr) {
-			string parsevalue = gui_parse_text(attr->value());
-			mLineSpacing = atoi(parsevalue.c_str());
-		}
-
-		attr = child->first_attribute("highlightcolor");
-		memset(&mFontHighlightColor, 0, sizeof(COLOR));
-		if (attr)
-		{
-			std::string color = attr->value();
-			ConvertStrToColor(color, &mFontHighlightColor);
-			hasFontHighlightColor = true;
-		}
-	}
-
-	// Load the separator if it exists
-	child = node->first_node("separator");
-	if (child)
-	{
-		attr = child->first_attribute("color");
-		if (attr)
-		{
-			std::string color = attr->value();
-			ConvertStrToColor(color, &mSeparatorColor);
-			if (!header_separator_color_specified)
-				ConvertStrToColor(color, &mHeaderSeparatorColor);
-		}
-
-		attr = child->first_attribute("height");
-		if (attr) {
-			string parsevalue = gui_parse_text(attr->value());
-			mSeparatorH = atoi(parsevalue.c_str());
-			if (!header_separator_height_specified)
-				mHeaderSeparatorH = mSeparatorH;
-		}
-	}
 
+	// Load filter for filtering files (e.g. *.zip for only zips)
 	child = node->first_node("filter");
-	if (child)
-	{
+	if (child) {
 		attr = child->first_attribute("extn");
 		if (attr)
 			mExtn = attr->value();
@@ -247,8 +66,7 @@ GUIFileSelector::GUIFileSelector(xml_node<>* node) : GUIObject(node)
 
 	// Handle the path variable
 	child = node->first_node("path");
-	if (child)
-	{
+	if (child) {
 		attr = child->first_attribute("name");
 		if (attr)
 			mPathVar = attr->value();
@@ -259,8 +77,7 @@ GUIFileSelector::GUIFileSelector(xml_node<>* node) : GUIObject(node)
 
 	// Handle the result variable
 	child = node->first_node("data");
-	if (child)
-	{
+	if (child) {
 		attr = child->first_attribute("name");
 		if (attr)
 			mVariable = attr->value();
@@ -271,8 +88,7 @@ GUIFileSelector::GUIFileSelector(xml_node<>* node) : GUIObject(node)
 
 	// Handle the sort variable
 	child = node->first_node("sort");
-	if (child)
-	{
+	if (child) {
 		attr = child->first_attribute("name");
 		if (attr)
 			mSortVariable = attr->value();
@@ -285,100 +101,37 @@ GUIFileSelector::GUIFileSelector(xml_node<>* node) : GUIObject(node)
 
 	// Handle the selection variable
 	child = node->first_node("selection");
-	if (child)
-	{
-		attr = child->first_attribute("name");
-		if (attr)
-			mSelection = attr->value();
-		else
-			mSelection = "0";
-	} else
+	if (child && (attr = child->first_attribute("name")))
+		mSelection = attr->value();
+	else
 		mSelection = "0";
 
-	// Fast scroll colors
-	child = node->first_node("fastscroll");
-	if (child)
-	{
-		attr = child->first_attribute("linecolor");
-		if(attr)
-			ConvertStrToColor(attr->value(), &mFastScrollLineColor);
-
-		attr = child->first_attribute("rectcolor");
-		if(attr)
-			ConvertStrToColor(attr->value(), &mFastScrollRectColor);
-
-		attr = child->first_attribute("w");
-		if (attr) {
-			string parsevalue = gui_parse_text(attr->value());
-			mFastScrollW = atoi(parsevalue.c_str());
-		}
-
-		attr = child->first_attribute("linew");
-		if (attr) {
-			string parsevalue = gui_parse_text(attr->value());
-			mFastScrollLineW = atoi(parsevalue.c_str());
-		}
-
-		attr = child->first_attribute("rectw");
-		if (attr) {
-			string parsevalue = gui_parse_text(attr->value());
-			mFastScrollRectW = atoi(parsevalue.c_str());
-		}
-
-		attr = child->first_attribute("recth");
-		if (attr) {
-			string parsevalue = gui_parse_text(attr->value());
-			mFastScrollRectH = atoi(parsevalue.c_str());
-		}
+	// Get folder and file icons if present
+	child = node->first_node("icon");
+	if (child) {
+		attr = child->first_attribute("folder");
+		if (attr)
+			mFolderIcon = PageManager::FindResource(attr->value());
+		attr = child->first_attribute("file");
+		if (attr)
+			mFileIcon = PageManager::FindResource(attr->value());
 	}
-
-	// Retrieve the line height
-	mFontHeight = gr_getMaxFontHeight(mFont ? mFont->GetResource() : NULL);
-	mLineHeight = mFontHeight;
-	mHeaderH = mFontHeight;
-
-	if (mFolderIcon && mFolderIcon->GetResource())
-	{
+	if (mFolderIcon && mFolderIcon->GetResource()) {
 		mFolderIconWidth = gr_get_width(mFolderIcon->GetResource());
 		mFolderIconHeight = gr_get_height(mFolderIcon->GetResource());
-		if (mFolderIconHeight > (int)mLineHeight)
-			mLineHeight = mFolderIconHeight;
+		if (mFolderIconHeight > mIconHeight)
+			mIconHeight = mFolderIconHeight;
 		mIconWidth = mFolderIconWidth;
 	}
-
-	if (mFileIcon && mFileIcon->GetResource())
-	{
+	if (mFileIcon && mFileIcon->GetResource()) {
 		mFileIconWidth = gr_get_width(mFileIcon->GetResource());
 		mFileIconHeight = gr_get_height(mFileIcon->GetResource());
-		if (mFileIconHeight > (int)mLineHeight)
-			mLineHeight = mFileIconHeight;
+		if (mFileIconHeight > mIconHeight)
+			mIconHeight = mFileIconHeight;
 		if (mFileIconWidth > mIconWidth)
 			mIconWidth = mFileIconWidth;
 	}
-
-	if (mHeaderIcon && mHeaderIcon->GetResource())
-	{
-		mHeaderIconWidth = gr_get_width(mHeaderIcon->GetResource());
-		mHeaderIconHeight = gr_get_height(mHeaderIcon->GetResource());
-		if (mHeaderIconHeight > mHeaderH)
-			mHeaderH = mHeaderIconHeight;
-		if (mHeaderIconWidth > mIconWidth)
-			mIconWidth = mHeaderIconWidth;
-	}
-
-	mHeaderH += mLineSpacing + mHeaderSeparatorH;
-	actualLineHeight = mLineHeight + mLineSpacing + mSeparatorH;
-	if (mHeaderH < actualLineHeight)
-		mHeaderH = actualLineHeight;
-
-	if (actualLineHeight / 3 > 6)
-		touchDebounce = actualLineHeight / 3;
-
-	if (mBackground && mBackground->GetResource())
-	{
-		mBackgroundW = gr_get_width(mBackground->GetResource());
-		mBackgroundH = gr_get_height(mBackground->GetResource());
-	}
+	SetMaxIconSize(mIconWidth, mIconHeight);
 
 	// Fetch the file/folder list
 	std::string value;
@@ -388,533 +141,61 @@ GUIFileSelector::GUIFileSelector(xml_node<>* node) : GUIObject(node)
 
 GUIFileSelector::~GUIFileSelector()
 {
+	delete mFileIcon;
+	delete mFolderIcon;
 }
 
-int GUIFileSelector::Render(void)
+int GUIFileSelector::Update(void)
 {
 	if(!isConditionTrue())
 		return 0;
 
-	// First step, fill background
-	gr_color(mBackgroundColor.red, mBackgroundColor.green, mBackgroundColor.blue, 255);
-	gr_fill(mRenderX, mRenderY + mHeaderH, mRenderW, mRenderH - mHeaderH);
-
-	// Next, render the background resource (if it exists)
-	if (mBackground && mBackground->GetResource())
-	{
-		mBackgroundX = mRenderX + ((mRenderW - mBackgroundW) / 2);
-		mBackgroundY = mRenderY + ((mRenderH - mBackgroundH) / 2);
-		gr_blit(mBackground->GetResource(), 0, 0, mBackgroundW, mBackgroundH, mBackgroundX, mBackgroundY);
-	}
+	GUIScrollList::Update();
 
 	// Update the file list if needed
 	if (updateFileList) {
 		string value;
 		DataManager::GetValue(mPathVar, value);
-		if (GetFileList(value) == 0)
+		if (GetFileList(value) == 0) {
 			updateFileList = false;
-		else
-			return 0;
-	}
-
-	// This tells us how many lines we can actually render
-	int lines = (mRenderH - mHeaderH) / (actualLineHeight);
-	int line;
-
-	int folderSize = mShowFolders ? mFolderList.size() : 0;
-	int fileSize = mShowFiles ? mFileList.size() : 0;
-
-	int listW = mRenderW;
-
-	if (folderSize + fileSize < lines) {
-		lines = folderSize + fileSize;
-		scrollingY = 0;
-		mFastScrollRectX = mFastScrollRectY = -1;
-	} else {
-		listW -= mFastScrollW; // space for fast scroll
-		lines++;
-		if (lines < folderSize + fileSize)
-			lines++;
-	}
-
-	void* fontResource = NULL;
-	if (mFont)  fontResource = mFont->GetResource();
-
-	int yPos = mRenderY + mHeaderH + scrollingY;
-	int fontOffsetY = (int)((actualLineHeight - mFontHeight) / 2);
-	int currentIconHeight = 0, currentIconWidth = 0;
-	int currentIconOffsetY = 0, currentIconOffsetX = 0;
-	int folderIconOffsetY = (int)((actualLineHeight - mFolderIconHeight) / 2), fileIconOffsetY = (int)((actualLineHeight - mFileIconHeight) / 2);
-	int folderIconOffsetX = (mIconWidth - mFolderIconWidth) / 2, fileIconOffsetX = (mIconWidth - mFileIconWidth) / 2;
-	int actualSelection = mStart;
-
-	if (isHighlighted) {
-		int selectY = scrollingY;
-
-		// Locate the correct line for highlighting
-		while (selectY + actualLineHeight < startSelection) {
-			selectY += actualLineHeight;
-			actualSelection++;
-		}
-		if (hasHighlightColor) {
-			// Highlight the area
-			gr_color(mHighlightColor.red, mHighlightColor.green, mHighlightColor.blue, 255);
-			int HighlightHeight = actualLineHeight;
-			if (mRenderY + mHeaderH + selectY + actualLineHeight > mRenderH + mRenderY) {
-				HighlightHeight = actualLineHeight - (mRenderY + mHeaderH + selectY + actualLineHeight - mRenderH - mRenderY);
-			}
-			gr_fill(mRenderX, mRenderY + mHeaderH + selectY, mRenderW, HighlightHeight);
-		}
-	}
-
-	for (line = 0; line < lines; line++)
-	{
-		Resource* icon;
-		std::string label;
-
-		if (isHighlighted && hasFontHighlightColor && line + mStart == actualSelection) {
-			// Use the highlight color for the font
-			gr_color(mFontHighlightColor.red, mFontHighlightColor.green, mFontHighlightColor.blue, 255);
-		} else {
-			// Set the color for the font
-			gr_color(mFontColor.red, mFontColor.green, mFontColor.blue, 255);
-		}
-
-		if (line + mStart < folderSize)
-		{
-			icon = mFolderIcon;
-			label = mFolderList.at(line + mStart).fileName;
-			currentIconHeight = mFolderIconHeight;
-			currentIconWidth = mFolderIconWidth;
-			currentIconOffsetY = folderIconOffsetY;
-			currentIconOffsetX = folderIconOffsetX;
-		}
-		else if (line + mStart < folderSize + fileSize)
-		{
-			icon = mFileIcon;
-			label = mFileList.at((line + mStart) - folderSize).fileName;
-			currentIconHeight = mFileIconHeight;
-			currentIconWidth = mFileIconWidth;
-			currentIconOffsetY = fileIconOffsetY;
-			currentIconOffsetX = fileIconOffsetX;
-		} else {
-			continue;
-		}
-
-		if (icon && icon->GetResource())
-		{
-			int rect_y = 0, image_y = (yPos + currentIconOffsetY);
-			if (image_y + currentIconHeight > mRenderY + mRenderH)
-				rect_y = mRenderY + mRenderH - image_y;
-			else
-				rect_y = currentIconHeight;
-			gr_blit(icon->GetResource(), 0, 0, currentIconWidth, rect_y, mRenderX + currentIconOffsetX, image_y);
-		}
-		gr_textExWH(mRenderX + mIconWidth + 5, yPos + fontOffsetY, label.c_str(), fontResource, mRenderX + listW, mRenderY + mRenderH);
-
-		// Add the separator
-		if (yPos + actualLineHeight < mRenderH + mRenderY) {
-			gr_color(mSeparatorColor.red, mSeparatorColor.green, mSeparatorColor.blue, 255);
-			gr_fill(mRenderX, yPos + actualLineHeight - mSeparatorH, listW, mSeparatorH);
-		}
-
-		// Move the yPos
-		yPos += actualLineHeight;
-	}
-
-	// Render the Header (last so that it overwrites the top most row for per pixel scrolling)
-	// First step, fill background
-	gr_color(mHeaderBackgroundColor.red, mHeaderBackgroundColor.green, mHeaderBackgroundColor.blue, 255);
-	gr_fill(mRenderX, mRenderY, mRenderW, mHeaderH);
-
-	// Now, we need the header (icon + text)
-	yPos = mRenderY;
-	{
-		Resource* headerIcon;
-		int mIconOffsetX = 0;
-
-		// render the icon if it exists
-		headerIcon = mHeaderIcon;
-		if (headerIcon && headerIcon->GetResource())
-		{
-			gr_blit(headerIcon->GetResource(), 0, 0, mHeaderIconWidth, mHeaderIconHeight, mRenderX + ((mHeaderIconWidth - mIconWidth) / 2), (yPos + (int)((mHeaderH - mHeaderIconHeight) / 2)));
-			mIconOffsetX = mIconWidth;
-		}
-
-		// render the text
-		gr_color(mHeaderFontColor.red, mHeaderFontColor.green, mHeaderFontColor.blue, 255);
-		gr_textExWH(mRenderX + mIconOffsetX + 5, yPos + (int)((mHeaderH - mFontHeight) / 2), mLastValue.c_str(), fontResource, mRenderX + mRenderW, mRenderY + mRenderH);
-
-		// Add the separator
-		gr_color(mHeaderSeparatorColor.red, mHeaderSeparatorColor.green, mHeaderSeparatorColor.blue, 255);
-		gr_fill(mRenderX, yPos + mHeaderH - mHeaderSeparatorH, mRenderW, mHeaderSeparatorH);
-	}
-
-	// render fast scroll
-	lines = (mRenderH - mHeaderH) / (actualLineHeight);
-	if(mFastScrollW > 0 && folderSize + fileSize > lines)
-	{
-		int startX = listW + mRenderX;
-		int fWidth = mRenderW - listW;
-		int fHeight = mRenderH - mHeaderH;
-
-		// line
-		gr_color(mFastScrollLineColor.red, mFastScrollLineColor.green, mFastScrollLineColor.blue, 255);
-		gr_fill(startX + fWidth/2, mRenderY + mHeaderH, mFastScrollLineW, mRenderH - mHeaderH);
-
-		// rect
-		int pct = ((mStart*actualLineHeight - scrollingY)*100)/((folderSize + fileSize)*actualLineHeight-lines*actualLineHeight);
-		mFastScrollRectX = startX + (fWidth - mFastScrollRectW)/2;
-		mFastScrollRectY = mRenderY+mHeaderH + ((fHeight - mFastScrollRectH)*pct)/100;
-
-		gr_color(mFastScrollRectColor.red, mFastScrollRectColor.green, mFastScrollRectColor.blue, 255);
-		gr_fill(mFastScrollRectX, mFastScrollRectY, mFastScrollRectW, mFastScrollRectH);
-	}
-
-	// If a change came in during the render then we need to do another redraw so leave mUpdate alone if updateFileList is true.
-	if (!updateFileList) {
-		mUpdate = 0;
-	}
-	return 0;
-}
-
-int GUIFileSelector::Update(void)
-{
-	if(!isConditionTrue())
-		return 0;
-
-	if (!mHeaderIsStatic) {
-		std::string newValue = gui_parse_text(mHeaderText);
-		if (mLastValue != newValue) {
-			mLastValue = newValue;
 			mUpdate = 1;
-		}
+		} else
+			return 0;
 	}
 
-	if (mUpdate)
-	{
+	if (mUpdate) {
 		mUpdate = 0;
 		if (Render() == 0)
 			return 2;
 	}
-
-	// Handle kinetic scrolling
-	if (scrollingSpeed == 0) {
-		// Do nothing
-	} else if (scrollingSpeed > 0) {
-		if (scrollingSpeed < ((int) (actualLineHeight * 2.5))) {
-			scrollingY += scrollingSpeed;
-			scrollingSpeed -= SCROLLING_SPEED_DECREMENT;
-		} else {
-			scrollingY += ((int) (actualLineHeight * 2.5));
-			scrollingSpeed -= SCROLLING_SPEED_DECREMENT;
-		}
-		while (mStart && scrollingY > 0) {
-			mStart--;
-			scrollingY -= actualLineHeight;
-		}
-		if (mStart == 0 && scrollingY > 0) {
-			scrollingY = 0;
-			scrollingSpeed = 0;
-		} else if (scrollingSpeed < SCROLLING_FLOOR)
-			scrollingSpeed = 0;
-		mUpdate = 1;
-	} else if (scrollingSpeed < 0) {
-		int totalSize = (mShowFolders ? mFolderList.size() : 0) + (mShowFiles ? mFileList.size() : 0);
-		int lines = (mRenderH - mHeaderH) / (actualLineHeight);
-
-		if (totalSize > lines) {
-			int bottom_offset = ((int)(mRenderH) - mHeaderH) - (lines * actualLineHeight);
-
-			bottom_offset -= actualLineHeight;
-
-			if (abs(scrollingSpeed) < ((int) (actualLineHeight * 2.5))) {
-				scrollingY += scrollingSpeed;
-				scrollingSpeed += SCROLLING_SPEED_DECREMENT;
-			} else {
-				scrollingY -= ((int) (actualLineHeight * 2.5));
-				scrollingSpeed += SCROLLING_SPEED_DECREMENT;
-			}
-			while (mStart + lines + (bottom_offset ? 1 : 0) < totalSize && abs(scrollingY) > actualLineHeight) {
-				mStart++;
-				scrollingY += actualLineHeight;
-			}
-			if (bottom_offset != 0 && mStart + lines + 1 >= totalSize && scrollingY <= bottom_offset) {
-				mStart = totalSize - lines - 1;
-				scrollingY = bottom_offset;
-			} else if (mStart + lines >= totalSize && scrollingY < 0) {
-				mStart = totalSize - lines;
-				scrollingY = 0;
-			} else if (scrollingSpeed * -1 < SCROLLING_FLOOR)
-				scrollingSpeed = 0;
-			mUpdate = 1;
-		}
-	}
-
-	return 0;
-}
-
-int GUIFileSelector::GetSelection(int x, int y)
-{
-	// We only care about y position
-	if (y < mRenderY || y - mRenderY <= mHeaderH || y - mRenderY > mRenderH)
-		return -1;
-
-	return (y - mRenderY - mHeaderH);
-}
-
-int GUIFileSelector::NotifyTouch(TOUCH_STATE state, int x, int y)
-{
-	if(!isConditionTrue())
-		return -1;
-
-	static int lastY = 0, last2Y = 0, fastScroll = 0;
-	int selection = 0;
-
-	switch (state)
-	{
-	case TOUCH_START:
-		if (scrollingSpeed != 0)
-			startSelection = -1;
-		else
-			startSelection = GetSelection(x,y);
-		isHighlighted = (startSelection > -1);
-		if (isHighlighted)
-			mUpdate = 1;
-		startY = lastY = last2Y = y;
-		scrollingSpeed = 0;
-
-		if(mFastScrollRectX != -1 && x >= mRenderX + mRenderW - mFastScrollW)
-			fastScroll = 1;
-		break;
-	case TOUCH_DRAG:
-		// Check if we dragged out of the selection window
-		if (GetSelection(x, y) == -1) {
-			last2Y = lastY = 0;
-			if (isHighlighted) {
-				isHighlighted = false;
-				mUpdate = 1;
-			}
-			break;
-		}
-
-		// Fast scroll
-		if(fastScroll)
-		{
-			int pct = ((y-mRenderY-mHeaderH)*100)/(mRenderH-mHeaderH);
-			int totalSize = (mShowFolders ? mFolderList.size() : 0) + (mShowFiles ? mFileList.size() : 0);
-			int lines = (mRenderH - mHeaderH) / (actualLineHeight);
-
-			float l = float((totalSize-lines)*pct)/100;
-			if(l + lines >= totalSize)
-			{
-				mStart = totalSize - lines;
-				scrollingY = 0;
-			}
-			else
-			{
-				mStart = l;
-				scrollingY = -(l - int(l))*actualLineHeight;
-			}
-
-			startSelection = -1;
-			mUpdate = 1;
-			scrollingSpeed = 0;
-			isHighlighted = false;
-			break;
-		}
-
-		// Provide some debounce on initial touches
-		if (startSelection != -1 && abs(y - startY) < touchDebounce) {
-			isHighlighted = true;
-			mUpdate = 1;
-			break;
-		}
-
-		isHighlighted = false;
-		last2Y = lastY;
-		lastY = y;
-		startSelection = -1;
-
-		// Handle scrolling
-		scrollingY += y - startY;
-		startY = y;
-		while(mStart && scrollingY > 0) {
-			mStart--;
-			scrollingY -= actualLineHeight;
-		}
-		if (mStart == 0 && scrollingY > 0)
-			scrollingY = 0;
-		{
-			int totalSize = (mShowFolders ? mFolderList.size() : 0) + (mShowFiles ? mFileList.size() : 0);
-			int lines = (mRenderH - mHeaderH) / (actualLineHeight);
-
-			if (totalSize > lines) {
-				int bottom_offset = ((int)(mRenderH) - mHeaderH) - (lines * actualLineHeight);
-
-				bottom_offset -= actualLineHeight;
-
-				while (mStart + lines + (bottom_offset ? 1 : 0) < totalSize && abs(scrollingY) > actualLineHeight) {
-					mStart++;
-					scrollingY += actualLineHeight;
-				}
-				if (bottom_offset != 0 && mStart + lines + 1 >= totalSize && scrollingY <= bottom_offset) {
-					mStart = totalSize - lines - 1;
-					scrollingY = bottom_offset;
-				} else if (mStart + lines >= totalSize && scrollingY < 0) {
-					mStart = totalSize - lines;
-					scrollingY = 0;
-				}
-			} else
-				scrollingY = 0;
-		}
-		mUpdate = 1;
-		break;
-
-	case TOUCH_RELEASE:
-		isHighlighted = false;
-		fastScroll = 0;
-		if (startSelection >= 0)
-		{
-			// We've selected an item!
-			std::string str;
-
-			int folderSize = mShowFolders ? mFolderList.size() : 0;
-			int fileSize = mShowFiles ? mFileList.size() : 0;
-			int selectY = scrollingY, actualSelection = mStart;
-
-			// Move the selection to the proper place in the array
-			while (selectY + actualLineHeight < startSelection) {
-				selectY += actualLineHeight;
-				actualSelection++;
-			}
-			startSelection = actualSelection;
-
-			if (startSelection < folderSize + fileSize)
-			{
-				DataManager::Vibrate("tw_button_vibrate");
-
-				if (startSelection < folderSize)
-				{
-					std::string oldcwd;
-					std::string cwd;
-
-					str = mFolderList.at(startSelection).fileName;
-					if (mSelection != "0")
-						DataManager::SetValue(mSelection, str);
-					DataManager::GetValue(mPathVar, cwd);
-
-					oldcwd = cwd;
-					// Ignore requests to do nothing
-					if (str == ".")	 return 0;
-					if (str == TW_FILESELECTOR_UP_A_LEVEL)
-					{
-						if (cwd != "/")
-						{
-							size_t found;
-							found = cwd.find_last_of('/');
-							cwd = cwd.substr(0,found);
-
-							if (cwd.length() < 2)   cwd = "/";
-						}
-					}
-					else
-					{
-						// Add a slash if we're not the root folder
-						if (cwd != "/")	 cwd += "/";
-						cwd += str;
-					}
-
-					if (mShowNavFolders == 0 && mShowFiles == 0)
-					{
-						// This is a "folder" selection
-						DataManager::SetValue(mVariable, cwd);
-					}
-					else
-					{
-						DataManager::SetValue(mPathVar, cwd);
-						mStart = 0;
-						scrollingY = 0;
-						mUpdate = 1;
-					}
-				}
-				else if (!mVariable.empty())
-				{
-					str = mFileList.at(startSelection - folderSize).fileName;
-					if (mSelection != "0")
-						DataManager::SetValue(mSelection, str);
-
-					std::string cwd;
-					DataManager::GetValue(mPathVar, cwd);
-					if (cwd != "/")	 cwd += "/";
-					DataManager::SetValue(mVariable, cwd + str);
-				}
-			}
-		} else {
-			// This is for kinetic scrolling
-			scrollingSpeed = lastY - last2Y;
-			if (abs(scrollingSpeed) > SCROLLING_FLOOR)
-				scrollingSpeed *= SCROLLING_MULTIPLIER;
-			else
-				scrollingSpeed = 0;
-		}
-	case TOUCH_REPEAT:
-	case TOUCH_HOLD:
-		break;
-	}
 	return 0;
 }
 
 int GUIFileSelector::NotifyVarChange(const std::string& varName, const std::string& value)
 {
-	GUIObject::NotifyVarChange(varName, value);
-
 	if(!isConditionTrue())
 		return 0;
 
+	GUIScrollList::NotifyVarChange(varName, value);
+
 	if (varName.empty()) {
 		// Always clear the data variable so we know to use it
 		DataManager::SetValue(mVariable, "");
 	}
-	if (!mHeaderIsStatic) {
-		std::string newValue = gui_parse_text(mHeaderText);
-		if (mLastValue != newValue) {
-			mLastValue = newValue;
-			mStart = 0;
-			scrollingY = 0;
-			scrollingSpeed = 0;
-			mUpdate = 1;
-		}
-	}
-	if (varName == mPathVar || varName == mSortVariable)
-	{
+	if (varName == mPathVar || varName == mSortVariable) {
 		if (varName == mSortVariable) {
 			DataManager::GetValue(mSortVariable, mSortOrder);
+		} else {
+			// Reset the list to the top
+			SetVisibleListLocation(0);
 		}
 		updateFileList = true;
-		mStart = 0;
-		scrollingY = 0;
-		scrollingSpeed = 0;
 		mUpdate = 1;
 		return 0;
 	}
 	return 0;
 }
 
-int GUIFileSelector::SetRenderPos(int x, int y, int w /* = 0 */, int h /* = 0 */)
-{
-	mRenderX = x;
-	mRenderY = y;
-	if (w || h)
-	{
-		mRenderW = w;
-		mRenderH = h;
-	}
-	SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH);
-	mUpdate = 1;
-	return 0;
-}
-
 bool GUIFileSelector::fileSort(FileData d1, FileData d2)
 {
 	if (d1.fileName == ".")
@@ -948,6 +229,7 @@ bool GUIFileSelector::fileSort(FileData d1, FileData d2)
 		default: // should be a 1 - sort by name ascending
 			return (strcasecmp(d1.fileName.c_str(), d2.fileName.c_str()) < 0);
 	}
+	return 0;
 }
 
 int GUIFileSelector::GetFileList(const std::string folder)
@@ -961,8 +243,7 @@ int GUIFileSelector::GetFileList(const std::string folder)
 	mFileList.clear();
 
 	d = opendir(folder.c_str());
-	if (d == NULL)
-	{
+	if (d == NULL) {
 		LOGINFO("Unable to open '%s'\n", folder.c_str());
 		if (folder != "/" && (mShowNavFolders != 0 || mShowFiles != 0)) {
 			size_t found;
@@ -978,8 +259,7 @@ int GUIFileSelector::GetFileList(const std::string folder)
 		return -1;
 	}
 
-	while ((de = readdir(d)) != NULL)
-	{
+	while ((de = readdir(d)) != NULL) {
 		FileData data;
 
 		data.fileName = de->d_name;
@@ -1007,15 +287,11 @@ int GUIFileSelector::GetFileList(const std::string folder)
 		if (data.fileType == DT_UNKNOWN) {
 			data.fileType = TWFunc::Get_D_Type_From_Stat(path);
 		}
-		if (data.fileType == DT_DIR)
-		{
+		if (data.fileType == DT_DIR) {
 			if (mShowNavFolders || (data.fileName != "." && data.fileName != TW_FILESELECTOR_UP_A_LEVEL))
 				mFolderList.push_back(data);
-		}
-		else if (data.fileType == DT_REG || data.fileType == DT_LNK || data.fileType == DT_BLK)
-		{
-			if (mExtn.empty() || (data.fileName.length() > mExtn.length() && data.fileName.substr(data.fileName.length() - mExtn.length()) == mExtn))
-			{
+		} else if (data.fileType == DT_REG || data.fileType == DT_LNK || data.fileType == DT_BLK) {
+			if (mExtn.empty() || (data.fileName.length() > mExtn.length() && data.fileName.substr(data.fileName.length() - mExtn.length()) == mExtn)) {
 				mFileList.push_back(data);
 			}
 		}
@@ -1030,11 +306,85 @@ int GUIFileSelector::GetFileList(const std::string folder)
 
 void GUIFileSelector::SetPageFocus(int inFocus)
 {
-	if (inFocus)
-	{
+	GUIScrollList::SetPageFocus(inFocus);
+	if (inFocus) {
 		updateFileList = true;
-		scrollingY = 0;
-		scrollingSpeed = 0;
 		mUpdate = 1;
 	}
 }
+
+size_t GUIFileSelector::GetItemCount()
+{
+	size_t folderSize = mShowFolders ? mFolderList.size() : 0;
+	size_t fileSize = mShowFiles ? mFileList.size() : 0;
+	return folderSize + fileSize;
+}
+
+int GUIFileSelector::GetListItem(size_t item_index, Resource*& icon, std::string &text)
+{
+	size_t folderSize = mShowFolders ? mFolderList.size() : 0;
+	size_t fileSize = mShowFiles ? mFileList.size() : 0;
+
+	if (item_index < folderSize) {
+		text = mFolderList.at(item_index).fileName;
+		icon = mFolderIcon;
+	} else {
+		text = mFileList.at(item_index - folderSize).fileName;
+		icon = mFileIcon;
+	}
+	return 0;
+}
+
+void GUIFileSelector::NotifySelect(size_t item_selected)
+{
+	size_t folderSize = mShowFolders ? mFolderList.size() : 0;
+	size_t fileSize = mShowFiles ? mFileList.size() : 0;
+
+	if (item_selected < folderSize + fileSize) {
+		// We've selected an item!
+		std::string str;
+		if (item_selected < folderSize) {
+			std::string cwd;
+
+			str = mFolderList.at(item_selected).fileName;
+			if (mSelection != "0")
+				DataManager::SetValue(mSelection, str);
+			DataManager::GetValue(mPathVar, cwd);
+
+			// Ignore requests to do nothing
+			if (str == ".")	 return;
+			if (str == TW_FILESELECTOR_UP_A_LEVEL) {
+				if (cwd != "/") {
+					size_t found;
+					found = cwd.find_last_of('/');
+					cwd = cwd.substr(0,found);
+
+					if (cwd.length() < 2)   cwd = "/";
+				}
+			} else {
+				// Add a slash if we're not the root folder
+				if (cwd != "/")	 cwd += "/";
+				cwd += str;
+			}
+
+			if (mShowNavFolders == 0 && mShowFiles == 0) {
+				// nav folders and files are disabled, this is probably the restore list and we need to save chosen location to mVariable instead of mPathVar
+				DataManager::SetValue(mVariable, cwd);
+			} else {
+				// We are changing paths, so we need to set mPathVar
+				DataManager::SetValue(mPathVar, cwd);
+			}
+		} else if (!mVariable.empty()) {
+			str = mFileList.at(item_selected - folderSize).fileName;
+			if (mSelection != "0")
+				DataManager::SetValue(mSelection, str);
+
+			std::string cwd;
+			DataManager::GetValue(mPathVar, cwd);
+			if (cwd != "/")
+				cwd += "/";
+			DataManager::SetValue(mVariable, cwd + str);
+		}
+	}
+	mUpdate = 1;
+}