TWRP-ify AOSP code

Pull in most TWRP sources
Stub out partition management code
Make it compile -- probably will not boot
Kind of a mess but have to start somewhere
diff --git a/gui/keyboard.cpp b/gui/keyboard.cpp
new file mode 100644
index 0000000..a41cba2
--- /dev/null
+++ b/gui/keyboard.cpp
@@ -0,0 +1,442 @@
+// keyboard.cpp - GUIKeyboard object
+
+#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 <string>
+
+extern "C" {
+#include "../common.h"
+#include "../minuitwrp/minui.h"
+#include "../recovery_ui.h"
+}
+
+#include "rapidxml.hpp"
+#include "objects.hpp"
+
+GUIKeyboard::GUIKeyboard(xml_node<>* node)
+	: Conditional(node)
+{
+	int layoutindex, rowindex, keyindex, Xindex, Yindex, keyHeight = 0, keyWidth = 0;
+	char resource[9], layout[7], row[4], key[5], longpress[6];
+	xml_attribute<>* attr;
+	xml_node<>* child;
+	xml_node<>* keylayout;
+	xml_node<>* keyrow;
+
+	for (layoutindex=0; layoutindex<MAX_KEYBOARD_LAYOUTS; layoutindex++)
+		keyboardImg[layoutindex] = NULL;
+
+	mRendered = false;
+	currentLayout = 1;
+	mAction = NULL;
+	KeyboardHeight = KeyboardWidth = cursorLocation = 0;
+
+	if (!node)  return;
+
+	// Load the action
+	child = node->first_node("action");
+	if (child)
+	{
+		mAction = new GUIAction(node);
+	}
+
+	// Load the images for the different layouts
+	child = node->first_node("layout");
+	if (child)
+	{
+		layoutindex = 1;
+		strcpy(resource, "resource1");
+		attr = child->first_attribute(resource);
+		while (attr && layoutindex < (MAX_KEYBOARD_LAYOUTS + 1)) {
+			keyboardImg[layoutindex - 1] = PageManager::FindResource(attr->value());
+
+			layoutindex++;
+			resource[8] = (char)(layoutindex + 48);
+			attr = child->first_attribute(resource);
+		}
+	}
+
+	// Check the first image to get height and width
+	if (keyboardImg[0] && keyboardImg[0]->GetResource())
+	{
+		KeyboardWidth = gr_get_width(keyboardImg[0]->GetResource());
+		KeyboardHeight = gr_get_height(keyboardImg[0]->GetResource());
+	}
+
+	// Load all of the layout maps
+	layoutindex = 1;
+	strcpy(layout, "layout1");
+	keylayout = node->first_node(layout);
+	while (keylayout)
+	{
+		if (layoutindex > MAX_KEYBOARD_LAYOUTS) {
+			LOGE("Too many layouts defined in keyboard.\n");
+			return;
+		}
+
+		child = keylayout->first_node("keysize");
+		if (child) {
+			attr = child->first_attribute("height");
+			if (attr)
+				keyHeight = atoi(attr->value());
+			else
+				keyHeight = 0;
+			attr = child->first_attribute("width");
+			if (attr)
+				keyWidth = atoi(attr->value());
+			else
+				keyWidth = 0;
+		}
+
+		rowindex = 1;
+		Yindex = 0;
+		strcpy(row, "row1");
+		keyrow = keylayout->first_node(row);
+		while (keyrow)
+		{
+			if (rowindex > MAX_KEYBOARD_ROWS) {
+				LOGE("Too many rows defined in keyboard.\n");
+				return;
+			}
+
+			Yindex += keyHeight;
+			row_heights[layoutindex - 1][rowindex - 1] = Yindex;
+
+			keyindex = 1;
+			Xindex = 0;
+			strcpy(key, "key01");
+			attr = keyrow->first_attribute(key);
+
+			while (attr) {
+				string stratt;
+				char keyinfo[255];
+
+				if (keyindex > MAX_KEYBOARD_KEYS) {
+					LOGE("Too many keys defined in a keyboard row.\n");
+					return;
+				}
+
+				stratt = attr->value();
+				if (strlen(stratt.c_str()) >= 255) {
+					LOGE("Key info on layout%i, row%i, key%dd is too long.\n", layoutindex, rowindex, keyindex);
+					return;
+				}
+
+				strcpy(keyinfo, stratt.c_str());
+
+				if (strlen(keyinfo) == 0) {
+					LOGE("No key info on layout%i, row%i, key%dd.\n", layoutindex, rowindex, keyindex);
+					return;
+				}
+
+				if (strlen(keyinfo) == 1) {
+					// This is a single key, simple definition
+					keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].key = keyinfo[0];
+					Xindex += keyWidth;
+					keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].end_x = Xindex - 1;
+				} else {
+					// This key has extra data
+					char* ptr;
+					char* offset;
+					char* keyitem;
+					char foratoi[10];
+
+					ptr = keyinfo;
+					offset = keyinfo;
+					while (*ptr > 32 && *ptr != ':')
+						ptr++;
+					if (*ptr != 0)
+						*ptr = 0;
+
+					strcpy(foratoi, offset);
+					Xindex += atoi(foratoi);
+					keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].end_x = Xindex - 1;
+
+					ptr++;
+					if (*ptr == 0) {
+						// This is an empty area
+						keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].key = 0;
+					} else if (strlen(ptr) == 1) {
+						// This is the character that this key uses
+						keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].key = *ptr;
+					} else if (*ptr == 'c') {
+						// This is an ASCII character code
+						keyitem = ptr + 2;
+						strcpy(foratoi, keyitem);
+						keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].key = atoi(foratoi);
+					} else if (*ptr == 'l') {
+						// This is a different layout
+						keyitem = ptr + 6;
+						keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].key = KEYBOARD_LAYOUT;
+						strcpy(foratoi, keyitem);
+						keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].layout = atoi(foratoi);
+					} else if (*ptr == 'a') {
+						// This is an action
+						keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].key = KEYBOARD_ACTION;
+					} else
+						LOGE("Invalid key info on layout%i, row%i, key%02i.\n", layoutindex, rowindex, keyindex);
+				}
+
+				// PROCESS LONG PRESS INFO IF EXISTS
+				sprintf(longpress, "long%02i", keyindex);
+				attr = keyrow->first_attribute(longpress);
+				if (attr) {
+					stratt = attr->value();
+					if (strlen(stratt.c_str()) >= 255) {
+						LOGE("Key info on layout%i, row%i, key%dd is too long.\n", layoutindex, rowindex, keyindex);
+						return;
+					}
+
+					strcpy(keyinfo, stratt.c_str());
+
+					if (strlen(keyinfo) == 0) {
+						LOGE("No long press info on layout%i, row%i, long%dd.\n", layoutindex, rowindex, keyindex);
+						return;
+					}
+
+					if (strlen(keyinfo) == 1) {
+						// This is a single key, simple definition
+						keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].longpresskey = keyinfo[0];
+					} else {
+						// This key has extra data
+						char* ptr;
+						char* offset;
+						char* keyitem;
+						char foratoi[10];
+
+						ptr = keyinfo;
+						offset = keyinfo;
+						while (*ptr > 32 && *ptr != ':')
+							ptr++;
+						if (*ptr != 0)
+							*ptr = 0;
+
+						strcpy(foratoi, offset);
+						Xindex += atoi(foratoi);
+
+						ptr++;
+						if (*ptr == 0) {
+							// This is an empty area
+							keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].longpresskey = 0;
+						} else if (strlen(ptr) == 1) {
+							// This is the character that this key uses
+							keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].longpresskey = *ptr;
+						} else if (*ptr == 'c') {
+							// This is an ASCII character code
+							keyitem = ptr + 2;
+							strcpy(foratoi, keyitem);
+							keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].longpresskey = atoi(foratoi);
+						} else if (*ptr == 'l') {
+							// This is a different layout
+							keyitem = ptr + 6;
+							keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].longpresskey = KEYBOARD_LAYOUT;
+							strcpy(foratoi, keyitem);
+							keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].layout = atoi(foratoi);
+						} else if (*ptr == 'a') {
+							// This is an action
+							keyboard_keys[layoutindex - 1][rowindex - 1][keyindex - 1].longpresskey = KEYBOARD_ACTION;
+						} else
+							LOGE("Invalid long press key info on layout%i, row%i, long%02i.\n", layoutindex, rowindex, keyindex);
+					}
+				}
+				keyindex++;
+				sprintf(key, "key%02i", keyindex);
+				attr = keyrow->first_attribute(key);
+			}
+			rowindex++;
+			row[3] = (char)(rowindex + 48);
+			keyrow = keylayout->first_node(row);
+		}
+		layoutindex++;
+		layout[6] = (char)(layoutindex + 48);
+		keylayout = node->first_node(layout);
+	}
+
+	int x, y, w, h;
+	// Load the placement
+	LoadPlacement(node->first_node("placement"), &x, &y, &w, &h);
+	SetActionPos(x, y, KeyboardWidth, KeyboardHeight);
+	SetRenderPos(x, y, w, h);
+	return;
+}
+
+GUIKeyboard::~GUIKeyboard()
+{
+	int layoutindex;
+
+	for (layoutindex=0; layoutindex<MAX_KEYBOARD_LAYOUTS; layoutindex++)
+		if (keyboardImg[layoutindex])   delete keyboardImg[layoutindex];
+}
+
+int GUIKeyboard::Render(void)
+{
+	if (!isConditionTrue())
+	{
+		mRendered = false;
+		return 0;
+	}
+
+	int ret = 0;
+
+	if (keyboardImg[currentLayout - 1] && keyboardImg[currentLayout - 1]->GetResource())
+		gr_blit(keyboardImg[currentLayout - 1]->GetResource(), 0, 0, KeyboardWidth, KeyboardHeight, mRenderX, mRenderY);
+
+	mRendered = true;
+	return ret;
+}
+
+int GUIKeyboard::Update(void)
+{
+	if (!isConditionTrue())	 return (mRendered ? 2 : 0);
+	if (!mRendered)			 return 2;
+
+	return 0;
+}
+
+int GUIKeyboard::SetRenderPos(int x, int y, int w, int h)
+{
+	mRenderX = x;
+	mRenderY = y;
+	if (w || h)
+	{
+		mRenderW = KeyboardWidth;
+		mRenderH = KeyboardHeight;
+	}
+
+	if (mAction)		mAction->SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH);
+	SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH);
+	return 0;
+}
+
+int GUIKeyboard::GetSelection(int x, int y)
+{
+	if (x < mRenderX || x - mRenderX > mRenderW || y < mRenderY || y - mRenderY > mRenderH) return -1;
+	return 0;
+}
+
+int GUIKeyboard::NotifyTouch(TOUCH_STATE state, int x, int y)
+{
+	static int startSelection = -1, was_held = 0, startX = 0;
+	static unsigned char initial_key = 0;
+	unsigned int indexy, indexx, rely, relx, rowIndex = 0;
+
+	rely = y - mRenderY;
+	relx = x - mRenderX;
+
+	if (!isConditionTrue())	 return -1;
+
+	switch (state)
+	{
+	case TOUCH_START:
+		if (GetSelection(x, y) == 0) {
+			startSelection = -1;
+			was_held = 0;
+			startX = x;
+			// Find the correct row
+			for (indexy=0; indexy<MAX_KEYBOARD_ROWS; indexy++) {
+				if (row_heights[currentLayout - 1][indexy] > rely) {
+					rowIndex = indexy;
+					indexy = MAX_KEYBOARD_ROWS;
+				}
+			}
+
+			// Find the correct key (column)
+			for (indexx=0; indexx<MAX_KEYBOARD_KEYS; indexx++) {
+				if (keyboard_keys[currentLayout - 1][rowIndex][indexx].end_x > relx) {
+					// This is the key that was pressed!
+					initial_key = keyboard_keys[currentLayout - 1][rowIndex][indexx].key;
+					indexx = MAX_KEYBOARD_KEYS;
+				}
+			}
+		} else {
+			startSelection = 0;
+		}
+		break;
+	case TOUCH_DRAG:
+		break;
+	case TOUCH_RELEASE:
+		if (x < startX - (mRenderW * 0.5)) {
+			PageManager::NotifyKeyboard(KEYBOARD_SWIPE_LEFT);
+			return 0;
+		} else if (x > startX + (mRenderW * 0.5)) {
+			PageManager::NotifyKeyboard(KEYBOARD_SWIPE_RIGHT);
+			return 0;
+		}
+
+	case TOUCH_HOLD:
+	case TOUCH_REPEAT:
+
+		if (startSelection == 0 || GetSelection(x, y) == -1)
+			return 0;
+
+		// Find the correct row
+		for (indexy=0; indexy<MAX_KEYBOARD_ROWS; indexy++) {
+			if (row_heights[currentLayout - 1][indexy] > rely) {
+				rowIndex = indexy;
+				indexy = MAX_KEYBOARD_ROWS;
+			}
+		}
+
+		// Find the correct key (column)
+		for (indexx=0; indexx<MAX_KEYBOARD_KEYS; indexx++) {
+			if (keyboard_keys[currentLayout - 1][rowIndex][indexx].end_x > relx) {
+				// This is the key that was pressed!
+				if (keyboard_keys[currentLayout - 1][rowIndex][indexx].key != initial_key) {
+					// We dragged off of the starting key
+					startSelection = 0;
+					break;
+				} else if (state == TOUCH_RELEASE && was_held == 0) {
+					if ((int)keyboard_keys[currentLayout - 1][rowIndex][indexx].key < KEYBOARD_SPECIAL_KEYS && (int)keyboard_keys[currentLayout - 1][rowIndex][indexx].key > 0) {
+						// Regular key
+						PageManager::NotifyKeyboard(keyboard_keys[currentLayout - 1][rowIndex][indexx].key);
+					} else if ((int)keyboard_keys[currentLayout - 1][rowIndex][indexx].key == KEYBOARD_LAYOUT) {
+						// Switch layouts
+						currentLayout = keyboard_keys[currentLayout - 1][rowIndex][indexx].layout;
+						mRendered = false;
+					} else if ((int)keyboard_keys[currentLayout - 1][rowIndex][indexx].key == KEYBOARD_ACTION) {
+						// Action
+						if (mAction) {
+							// Keyboard has its own action defined
+							return (mAction ? mAction->NotifyTouch(state, x, y) : 1);
+						} else {
+							// Send action notification
+							PageManager::NotifyKeyboard(keyboard_keys[currentLayout - 1][rowIndex][indexx].key);
+						}
+					}
+				} else if (state == TOUCH_HOLD) {
+					was_held = 1;
+					if ((int)keyboard_keys[currentLayout - 1][rowIndex][indexx].key == KEYBOARD_BACKSPACE) {
+						// Repeat backspace
+						PageManager::NotifyKeyboard(keyboard_keys[currentLayout - 1][rowIndex][indexx].key);
+					} else if ((int)keyboard_keys[currentLayout - 1][rowIndex][indexx].longpresskey < KEYBOARD_SPECIAL_KEYS && (int)keyboard_keys[currentLayout - 1][rowIndex][indexx].longpresskey > 0) {
+						// Long Press Key
+						PageManager::NotifyKeyboard(keyboard_keys[currentLayout - 1][rowIndex][indexx].longpresskey);
+					}
+				} else if (state == TOUCH_REPEAT) {
+					was_held = 1;
+					if ((int)keyboard_keys[currentLayout - 1][rowIndex][indexx].key == KEYBOARD_BACKSPACE) {
+						// Repeat backspace
+						PageManager::NotifyKeyboard(keyboard_keys[currentLayout - 1][rowIndex][indexx].key);
+					}
+				}
+				indexx = MAX_KEYBOARD_KEYS;
+			}
+		}
+		break;
+	}
+
+	return 0;
+}