Conditional -> GUIObject and make all gui objects children of GUIObject

Signed-off-by: Vojtech Bocek <vbocek@gmail.com> Change-Id: Ic0a7d6354dabe5919b83942f2f1aa0715625e522
2014-02-07 23:58:09 +01:00
parent f08ada8483
commit ede51c528e
19 changed files with 119 additions and 42 deletions
@@ -0,0 +1,208 @@
+// checkbox.cpp - GUICheckbox 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 "../twcommon.h"
+#include "../minuitwrp/minui.h"
+#include "../variables.h"
+}
+
+#include "rapidxml.hpp"
+#include "objects.hpp"
+#include "../data.hpp"
+
+GUIObject::GUIObject(xml_node<>* node)
+{
+	// Break out early, it's too hard to check if valid every step
+	if (!node)		return;
+
+	// First, get the action
+	xml_node<>* condition = node->first_node("conditions");
+	if (condition)  condition = condition->first_node("condition");
+	else			condition = node->first_node("condition");
+
+	if (!condition)	return;
+
+	while (condition)
+	{
+		Condition cond;
+
+		cond.mCompareOp = "=";
+
+		xml_attribute<>* attr;
+		attr = condition->first_attribute("var1");
+		if (attr)   cond.mVar1 = attr->value();
+
+		attr = condition->first_attribute("op");
+		if (attr)   cond.mCompareOp = attr->value();
+
+		attr = condition->first_attribute("var2");
+		if (attr)   cond.mVar2 = attr->value();
+	
+		mConditions.push_back(cond);
+
+		condition = condition->next_sibling("condition");
+	}
+}
+
+GUIObject::~GUIObject()
+{
+}
+
+bool GUIObject::IsConditionVariable(std::string var)
+{
+	std::vector<Condition>::iterator iter;
+	for (iter = mConditions.begin(); iter != mConditions.end(); iter++)
+	{
+		if (iter->mVar1 == var)
+			return true;
+	}
+	return false;
+}
+
+bool GUIObject::isConditionTrue()
+{
+	std::vector<Condition>::iterator iter;
+	for (iter = mConditions.begin(); iter != mConditions.end(); iter++)
+	{
+		if (!isConditionTrue(&(*iter)))
+			return false;
+	}
+	return true;
+}
+
+bool GUIObject::isConditionTrue(Condition* condition)
+{
+	// This is used to hold the proper value of "true" based on the '!' NOT flag
+	bool bTrue = true;
+
+	if (condition->mVar1.empty())
+		return bTrue;
+
+	if (!condition->mCompareOp.empty() && condition->mCompareOp[0] == '!')
+		bTrue = false;
+
+	if (condition->mVar2.empty() && condition->mCompareOp != "modified")
+	{
+		if (!DataManager::GetStrValue(condition->mVar1).empty())
+			return bTrue;
+
+		return !bTrue;
+	}
+
+	string var1, var2;
+	if (DataManager::GetValue(condition->mVar1, var1))
+		var1 = condition->mVar1;
+	if (DataManager::GetValue(condition->mVar2, var2))
+		var2 = condition->mVar2;
+
+	// This is a special case, we stat the file and that determines our result
+	if (var1 == "fileexists")
+	{
+		struct stat st;
+		if (stat(var2.c_str(), &st) == 0)
+			var2 = var1;
+		else
+			var2 = "FAILED";
+	}
+	if (var1 == "mounted")
+	{
+		if (isMounted(condition->mVar2))
+			var2 = var1;
+		else
+			var2 = "FAILED";
+	}
+
+	if (condition->mCompareOp.find('=') != string::npos && var1 == var2)
+		return bTrue;
+
+	if (condition->mCompareOp.find('>') != string::npos && (atof(var1.c_str()) > atof(var2.c_str())))
+		return bTrue;
+
+	if (condition->mCompareOp.find('<') != string::npos && (atof(var1.c_str()) < atof(var2.c_str())))
+		return bTrue;
+
+	if (condition->mCompareOp == "modified")
+	{
+		// This is a hack to allow areas to reset the default value
+		if (var1.empty())
+		{
+			condition->mLastVal = var1;
+			return !bTrue;
+		}
+
+		if (var1 != condition->mLastVal)
+			return bTrue;
+	}
+
+	return !bTrue;
+}
+
+bool GUIObject::isConditionValid()
+{
+	return !mConditions.empty();
+}
+
+void GUIObject::NotifyPageSet()
+{
+	std::vector<Condition>::iterator iter;
+	for (iter = mConditions.begin(); iter != mConditions.end(); iter++)
+	{
+		if (iter->mCompareOp == "modified")
+		{
+			string val;
+	
+			// If this fails, val will not be set, which is perfect
+			if (DataManager::GetValue(iter->mVar1, val))
+			{
+				DataManager::SetValue(iter->mVar1, "");
+				DataManager::GetValue(iter->mVar1, val);
+			}
+			iter->mLastVal = val;
+		}
+	}
+}
+
+bool GUIObject::isMounted(string vol)
+{
+	FILE *fp;
+	char tmpOutput[255];
+
+	if (strcmp(vol.c_str(), "EXTERNAL") == 0)
+		DataManager::GetValue(TW_EXTERNAL_MOUNT, vol);
+	else if (strcmp(vol.c_str(), "INTERNAL") == 0)
+		DataManager::GetValue(TW_INTERNAL_MOUNT, vol);
+	fp = fopen("/proc/mounts", "rt");
+	while (fgets(tmpOutput,255,fp) != NULL)
+	{
+		char* mnt = tmpOutput;
+		while (*mnt > 32)			mnt++;
+		while (*mnt > 0 && *mnt <= 32)	mnt++;
+		char* pos = mnt;
+		while (*pos > 32)   pos++;
+		*pos = 0;
+		if (vol == mnt)
+		{
+			fclose(fp);
+			return true;
+		}
+	}
+	fclose(fp);
+	return false;
+}