472f506817
The progress bar will now be updated during image backups, restores and during image flashing (except for sparse images which will require significant changes to libsparse, and except for mtd nand using flash_utils). The progress bar will now be updated mid-file for file systems (tar) so the user will see changes even during large file backup / restore. Add a new progress tracking class to simplify handling of progress bar updates. The class will only update the progress bar 5 times a second to reduce the CPU load from updating the GUI frequently which does affect backup times. Change-Id: Iff382faef3df1f86604af336c1a8ce8993cd12c5
140 lines
3.3 KiB
C++
140 lines
3.3 KiB
C++
/*
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Copyright 2015 _that/TeamWin
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This file is part of TWRP/TeamWin Recovery Project.
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TWRP is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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TWRP is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with TWRP. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../data.hpp"
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#include "pages.hpp"
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#include "resources.hpp"
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#include "twmsg.h"
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#include <cctype>
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std::string Message::GetFormatString(const std::string& name) const
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{
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return resourceLookup(name);
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}
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// Look up in local replacement vars first, if not found then use outer lookup object
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class LocalLookup : public StringLookup
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{
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const std::vector<std::string>& vars;
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const StringLookup& next;
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public:
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LocalLookup(const std::vector<std::string>& vars, const StringLookup& next) : vars(vars), next(next) {}
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virtual std::string operator()(const std::string& name) const
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{
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if (!name.empty() && isdigit(name[0])) { // {1}..{9}
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int i = atoi(name.c_str());
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if (i > 0 && i <= (int)vars.size())
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return vars[i - 1];
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}
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return next(name);
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}
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};
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// conversion to final string
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Message::operator std::string() const
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{
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// do resource lookup
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std::string str = GetFormatString(name);
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LocalLookup lookup(variables, varLookup);
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// now insert stuff into curly braces
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size_t pos = 0;
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while ((pos = str.find('{', pos)) < std::string::npos) {
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size_t end = str.find('}', pos);
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if (end == std::string::npos)
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break;
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std::string varname = str.substr(pos + 1, end - pos - 1);
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std::string vartext = lookup(varname);
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str.replace(pos, end - pos + 1, vartext);
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}
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// TODO: complain about too many or too few numbered replacement variables
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return str;
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}
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/*
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Resource manager lookup
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*/
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class ResourceLookup : public StringLookup
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{
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public:
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virtual std::string operator()(const std::string& name) const
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{
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std::string resname;
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std::string default_value;
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size_t pos = name.find('=');
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if (pos == std::string::npos) {
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resname = name;
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} else {
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resname = name.substr(0, pos);
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default_value = name.substr(pos + 1);
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}
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#ifndef BUILD_TWRPTAR_MAIN
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const ResourceManager* res = PageManager::GetResources();
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if (res) {
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if (default_value.empty())
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return res->FindString(resname);
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else
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return res->FindString(resname, default_value);
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}
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#endif
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if (!default_value.empty()) {
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return default_value;
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}
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return name;
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}
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};
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ResourceLookup resourceLookup;
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/*
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DataManager lookup
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*/
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class DataLookup : public StringLookup
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{
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public:
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virtual std::string operator()(const std::string& name) const
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{
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#ifndef BUILD_TWRPTAR_MAIN
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std::string value;
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if (DataManager::GetValue(name, value) == 0)
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return value;
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else
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#endif
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return "";
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}
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};
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DataLookup dataLookup;
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// Utility functions to create messages. Short names to make usage convenient.
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Message Msg(const char* name)
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{
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return Message(msg::kNormal, name, resourceLookup, dataLookup);
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}
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Message Msg(msg::Kind kind, const char* name)
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{
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return Message(kind, name, resourceLookup, dataLookup);
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}
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