1 files changed, 108 insertions, 0 deletions
diff --git a/progresstracking.cpp b/progresstracking.cpp
new file mode 100644
index 000000000..b43e13057
--- /dev/null
+++ b/progresstracking.cpp
@@ -0,0 +1,108 @@
+/*
+        Copyright 2016 bigbiff/Dees_Troy TeamWin
+        This file is part of TWRP/TeamWin Recovery Project.
+
+        TWRP is free software: you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation, either version 3 of the License, or
+        (at your option) any later version.
+
+        TWRP is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with TWRP.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+// Progress tracking class for tracking backup progess and updating the progress bar as appropriate
+
+
+#include "progresstracking.hpp"
+#include "twcommon.h"
+#ifndef BUILD_TWRPTAR_MAIN
+#include "gui/gui.hpp"
+#include "data.hpp"
+#endif
+#include "twrp-functions.hpp"
+#include <time.h>
+
+const int32_t update_interval_ms = 200; // Update interval in ms
+
+ProgressTracking::ProgressTracking(const unsigned long long backup_size) {
+	total_backup_size = backup_size;
+	partition_size = 0;
+	file_count = 0;
+	current_size = 0;
+	current_count = 0;
+	previous_partitions_size = 0;
+	display_file_count = false;
+	clock_gettime(CLOCK_MONOTONIC, &last_update);
+}
+
+void ProgressTracking::SetPartitionSize(const unsigned long long part_size) {
+	previous_partitions_size += partition_size;
+	partition_size = part_size;
+	UpdateDisplayDetails(true);
+}
+
+void ProgressTracking::SetSizeCount(const unsigned long long part_size, unsigned long long f_count) {
+	previous_partitions_size += partition_size;
+	partition_size = part_size;
+	file_count = f_count;
+	display_file_count = (file_count != 0);
+	UpdateDisplayDetails(true);
+}
+
+void ProgressTracking::UpdateSize(const unsigned long long size) {
+	current_size = size;
+	UpdateDisplayDetails(false);
+}
+
+void ProgressTracking::UpdateSizeCount(const unsigned long long size, const unsigned long long count) {
+	current_size = size;
+	current_count = count;
+	UpdateDisplayDetails(false);
+}
+
+void ProgressTracking::DisplayFileCount(const bool display) {
+	display_file_count = display;
+	UpdateDisplayDetails(true);
+}
+
+void ProgressTracking::UpdateDisplayDetails(const bool force) {
+#ifndef BUILD_TWRPTAR_MAIN
+	if (!force) {
+		// Do something to check the time frame and only update periodically to reduce the total number of GUI updates
+		timespec now;
+		clock_gettime(CLOCK_MONOTONIC, &now);
+
+		int32_t diff = TWFunc::timespec_diff_ms(last_update, now);
+		if (diff < update_interval_ms)
+			return;
+	}
+	clock_gettime(CLOCK_MONOTONIC, &last_update);
+	double display_percent, progress_percent;
+	string size_prog = gui_lookup("size_progress", "%lluMB of %lluMB, %i%%");
+	char size_progress[1024];
+
+	if (total_backup_size != 0) // prevent division by 0
+		display_percent = (double)(current_size + previous_partitions_size) / (double)(total_backup_size) * 100;
+	sprintf(size_progress, size_prog.c_str(), (current_size + previous_partitions_size) / 1048576, total_backup_size / 1048576, (int)(display_percent));
+	DataManager::SetValue("tw_size_progress", size_progress);
+	progress_percent = (display_percent / 100);
+	DataManager::SetProgress((float)(progress_percent));
+
+	if (!display_file_count || file_count == 0) {
+		DataManager::SetValue("tw_file_progress", "");
+	} else {
+		string file_prog = gui_lookup("file_progress", "%llu of %llu files, %i%%");
+		char file_progress[1024];
+
+		display_percent = (double)(current_count) / (double)(file_count) * 100;
+		sprintf(file_progress, file_prog.c_str(), current_count, file_count, (int)(display_percent));
+		DataManager::SetValue("tw_file_progress", file_progress);
+	}
+#endif
+}