Add support to change TWRP Folder

Change-Id: Id3b3b46d492bf83d1d9d3f535c880ea9d15b4107
diff --git a/gui/action.cpp b/gui/action.cpp
index 238327f..6b0cbad 100755
--- a/gui/action.cpp
+++ b/gui/action.cpp
@@ -242,6 +242,7 @@
 		ADD_ACTION(uninstalltwrpsystemapp);
 		ADD_ACTION(repackimage);
 		ADD_ACTION(fixabrecoverybootloop);
+		ADD_ACTION(applycustomtwrpfolder);
 #ifndef TW_EXCLUDE_NANO
 		ADD_ACTION(editfile);
 #endif
@@ -2287,3 +2288,36 @@
 	return 0;
 }
 #endif
+
+int GUIAction::applycustomtwrpfolder(string arg __unused)
+{
+	operation_start("ChangingTWRPFolder");
+	string storageFolder = DataManager::GetSettingsStoragePath();
+	string newFolder = storageFolder + '/' + arg;
+	string newBackupFolder = newFolder + "/BACKUPS/" + DataManager::GetStrValue("device_id");
+	string prevFolder = storageFolder + DataManager::GetStrValue(TW_RECOVERY_FOLDER_VAR);
+	bool ret = false;
+
+	if (TWFunc::Path_Exists(newFolder)) {
+		gui_msg(Msg(msg::kError, "tw_folder_exists=A folder with that name already exists!"));
+	} else {
+		ret = true;
+	}
+
+	if (newFolder != prevFolder && ret) {
+		ret = TWFunc::Exec_Cmd("mv -f \"" + prevFolder + "\" \"" + newFolder + '\"') != 0 ? false : true;
+	} else {
+		gui_msg(Msg(msg::kError, "tw_folder_exists=A folder with that name already exists!"));
+	}
+
+	if (ret) ret = TWFunc::Recursive_Mkdir("\"" + newBackupFolder + "\"") ? true : false;
+
+
+	if (ret) {
+		DataManager::SetValue(TW_RECOVERY_FOLDER_VAR, '/' + arg);
+		DataManager::SetValue(TW_BACKUPS_FOLDER_VAR, newBackupFolder);
+		DataManager::mBackingFile = newFolder + '/' + TW_SETTINGS_FILE;
+	}
+	operation_end((int)!ret);
+	return 0;
+}
diff --git a/gui/objects.hpp b/gui/objects.hpp
index 0f2fae5..d4b42c2 100755
--- a/gui/objects.hpp
+++ b/gui/objects.hpp
@@ -374,9 +374,11 @@
 	int enableadb(std::string arg);
 	int enablefastboot(std::string arg);
 	int changeterminal(std::string arg);
+	int applycustomtwrpfolder(std::string arg);
 #ifndef TW_EXCLUDE_NANO
 	int editfile(std::string arg);
 #endif
+
 	int simulate;
 };
 
diff --git a/gui/theme/common/landscape.xml b/gui/theme/common/landscape.xml
index cf14ace..b8c2098 100755
--- a/gui/theme/common/landscape.xml
+++ b/gui/theme/common/landscape.xml
@@ -3627,6 +3627,10 @@
 
 			<listbox style="advanced_listbox">
 				<placement x="%center_x%" y="%row2_y%" w="%content_half_width%" h="%fileselector_install_height%"/>
+				<listitem name="{@change_twrp_folder_btn=Change TWRP folder}">
+					<condition var1="tw_is_encrypted" var2="0"/>
+					<action function="page">changeTwrpFolder</action>
+				</listitem>
 				<listitem name="{@decrypt_users=Decrypt Users}">
 					<conditions>
 						<condition var1="tw_is_fbe" var2="1"/>
@@ -5779,5 +5783,102 @@
 				<action function="page">advanced</action>
 			</action>
 		</page>
+
+		<page name="changeTwrpFolder">
+			<template name="page"/>
+
+			<text style="text_l">
+				<placement x="%col1_x_header%" y="%row3_header_y%"/>
+				<text>{@advanced_hdr=Advanced}</text>
+			</text>
+
+			<text style="text_m">
+				<placement x="%col1_x_header%" y="%row4_header_y%"/>
+				<text>{@change_twrp_folder_btn=Change TWRP folder}</text>
+			</text>
+
+			<text style="text_m_accent">
+				<placement x="%col1_x_left%" y="%row2_y%"/>
+				<text>{@name=Name:}</text>
+			</text>
+
+			<input>
+				<placement x="%col1_x_left%" y="%row2_input_y%" w="%content_width%" h="%input_height%"/>
+				<text>%tw_custom_folder%</text>
+				<data name="tw_custom_folder"/>
+				<restrict minlen="1" maxlen="64" allow="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"/>
+				<actions>
+					<action function="set">tw_back=changeTwrpFolder</action>
+					<action function="set">tw_action=applycustomtwrpfolder</action>
+					<action function="set">tw_action_param=%tw_custom_folder%</action>
+					<action function="set">tw_text1={@confirm_action=Confirm}</action>
+					<action function="set">tw_text2={@rename_backup_confirm2=This cannot be undone!}</action>
+					<action function="set">tw_action_text1={@change_twrp_folder_on_process=Changing TWRP folder}</action>
+					<action function="set">tw_complete_text1={@change_twrp_folder_after_process=TWRP folder changed to} %tw_custom_folder%</action>
+					<action function="set">tw_slider_text={@swipe_to_confirm=Swipe to Confirm}</action>
+					<action function="set">tw_filecheck=/sdcard/%tw_custom_folder%</action>
+					<action function="set">tw_existpage=changeTwrpFolder</action>
+					<action function="set">tw_notexistpage=confirm_action</action>
+					<action function="page">filecheck</action>
+				</actions>
+			</input>
+
+			<fill color="%accent_color%">
+				<placement x="%col1_x_left%" y="row4_y" w="%content_width%" h="input_line_width" placement="1"/>
+			</fill>
+
+			<fill color="%text_fail_color%">
+				<condition var1="tw_fileexists" var2="1"/>
+				<placement x="%col1_x_left%" y="row4_y" w="%content_width%" h="input_line_width" placement="1"/>
+			</fill>
+
+			<text style="text_m_fail">
+				<condition var1="tw_fileexists" var2="1"/>
+				<placement x="%col1_x_left%" y="%row4_y%"/>
+				<text>{@tw_folder_exists=A folder with that name already exists!}</text>
+			</text>
+
+			<button style="main_button_half_width_low">
+				<placement x="%indent%" y="%row5_y%"/>
+				<text>{@cancel_btn=Cancel}</text>
+				<action function="page">advanced</action>
+			</button>
+
+			<button style="main_button_half_width_low">
+				<condition var1="tw_recovery_folder" op="!=" var2="/TWRP"/>
+				<placement x="%date_button_x%" y="%row5_y%"/>
+				<text>{@restore_defaults_btn=Restore Defaults}</text>
+				<actions>
+					<action function="set">tw_back=changeTwrpFolder</action>
+					<action function="set">tw_action=applycustomtwrpfolder</action>
+					<action function="set">tw_action_param=TWRP</action>
+					<action function="set">tw_text1={@confirm_action=Confirm}</action>
+					<action function="set">tw_text2={@rename_backup_confirm2=This cannot be undone!}</action>
+					<action function="set">tw_action_text1={@change_twrp_folder_on_process=Changing TWRP folder}</action>
+					<action function="set">tw_complete_text1={@change_twrp_folder_after_process=TWRP folder changed to} TWRP</action>
+					<action function="set">tw_slider_text={@swipe_to_confirm=Swipe to Confirm}</action>
+					<action function="set">tw_filecheck=/sdcard/TWRP</action>
+					<action function="set">tw_existpage=changeTwrpFolder</action>
+					<action function="set">tw_notexistpage=confirm_action</action>
+					<action function="page">filecheck</action>
+				</actions>
+			</button>
+
+			<template name="keyboardtemplate"/>
+
+			<action>
+				<touch key="home"/>
+				<actions>
+					<action function="page">main</action>
+				</actions>
+			</action>
+
+			<action>
+				<touch key="back"/>
+				<actions>
+					<action function="page">advanced</action>
+				</actions>
+			</action>
+		</page>
 	</pages>
 </recovery>
diff --git a/gui/theme/common/languages/en.xml b/gui/theme/common/languages/en.xml
index 3fd485d..3bc7a14 100755
--- a/gui/theme/common/languages/en.xml
+++ b/gui/theme/common/languages/en.xml
@@ -754,5 +754,9 @@
 		<string name="rescue_party3"> 3. Clean-flash your ROM.</string>
 		<string name="rescue_party4">The reported problem is: </string>
 		<string name="restore_system_context">Unable to get default context for {1} -- Android may not boot.</string>
+		<string name="change_twrp_folder_btn">Change TWRP folder</string>
+		<string name="change_twrp_folder_on_process">Changing TWRP folder</string>
+		<string name="change_twrp_folder_after_process">TWRP folder changed to</string>
+		<string name="tw_folder_exists">A folder with that name already exists!</string>
 	</resources>
 </language>
diff --git a/gui/theme/common/portrait.xml b/gui/theme/common/portrait.xml
index de985a6..aa078b9 100755
--- a/gui/theme/common/portrait.xml
+++ b/gui/theme/common/portrait.xml
@@ -3749,6 +3749,10 @@
 
 			<listbox style="advanced_listbox">
 				<placement x="%indent%" y="%row13a_y%" w="%content_width%" h="%listbox_advanced_height%"/>
+				<listitem name="Change TWRP Folder">
+					<condition var1="tw_is_encrypted" var2="0"/>
+					<action function="page">changeTwrpFolder</action>
+				</listitem>
 				<listitem name="{@decrypt_users=Decrypt Users}">
 					<conditions>
 						<condition var1="tw_is_fbe" var2="1"/>
@@ -5507,5 +5511,104 @@
 				<action function="page">advanced</action>
 			</action>
 		</page>
+
+		<page name="changeTwrpFolder">
+			<template name="page"/>
+
+			<text style="text_l">
+				<placement x="%col1_x_header%" y="%row3_header_y%"/>
+				<text>{@advanced_hdr=Advanced}</text>
+			</text>
+
+			<text style="text_m">
+				<placement x="%col1_x_header%" y="%row4_header_y%"/>
+				<text>{@change_twrp_folder_btn=Change TWRP folder}</text>
+			</text>
+
+			<text style="text_m_accent">
+				<placement x="%indent%" y="%row2_y%"/>
+				<text>{@name=Name:}</text>
+			</text>
+
+			<input>
+				<placement x="%indent%" y="%row2_input_y%" w="%content_width%" h="%input_height%"/>
+				<text>%tw_custom_folder%</text>
+				<data name="tw_custom_folder"/>
+				<restrict minlen="1" maxlen="64" allow="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"/>
+				<actions>
+					<action function="set">tw_back=changeTwrpFolder</action>
+					<action function="set">tw_action=applycustomtwrpfolder</action>
+					<action function="set">tw_action_param=%tw_custom_folder%</action>
+					<action function="set">tw_text1={@confirm_action=Confirm}</action>
+					<action function="set">tw_text2={@rename_backup_confirm2=This cannot be undone!}</action>
+					<action function="set">tw_action_text1={@change_twrp_folder_on_process=Changing TWRP folder}</action>
+					<action function="set">tw_complete_text1={@change_twrp_folder_after_process=TWRP folder changed to} %tw_custom_folder%</action>
+					<action function="set">tw_slider_text={@swipe_to_confirm=Swipe to Confirm}</action>
+					<action function="set">tw_filecheck=/sdcard/%tw_custom_folder%</action>
+					<action function="set">tw_existpage=changeTwrpFolder</action>
+					<action function="set">tw_notexistpage=confirm_action</action>
+					<action function="page">filecheck</action>
+				</actions>
+			</input>
+
+			<fill color="%accent_color%">
+				<placement x="%indent%" y="row4_y" w="%content_width%" h="input_line_width" placement="1"/>
+			</fill>
+
+			<fill color="%text_fail_color%">
+				<condition var1="tw_fileexists" var2="1"/>
+				<placement x="%indent%" y="row4_y" w="%content_width%" h="input_line_width" placement="1"/>
+			</fill>
+
+			<text style="text_m_fail">
+				<condition var1="tw_fileexists" var2="1"/>
+				<placement x="%indent%" y="%row4a_y%"/>
+				<text>{@tw_folder_exists=A folder with that name already exists!}</text>
+			</text>
+
+			<button style="main_button_half_height">
+				<placement x="%indent%" y="%row10_y%"/>
+				<text>{@cancel_btn=Cancel}</text>
+				<actions>
+					<action function="page">advanced</action>
+				</actions>
+			</button>
+
+			<button style="main_button_half_height">
+				<condition var1="tw_recovery_folder" op="!=" var2="/TWRP"/>
+				<placement x="%center_x%" y="%row10_y%"/>
+				<text>{@restore_defaults_btn=Restore Defaults}</text>
+				<actions>
+					<action function="set">tw_back=changeTwrpFolder</action>
+					<action function="set">tw_action=applycustomtwrpfolder</action>
+					<action function="set">tw_action_param=TWRP</action>
+					<action function="set">tw_text1={@confirm_action=Confirm}</action>
+					<action function="set">tw_text2={@rename_backup_confirm2=This cannot be undone!}</action>
+					<action function="set">tw_action_text1={@change_twrp_folder_on_process=Changing TWRP folder}</action>
+					<action function="set">tw_complete_text1={@change_twrp_folder_after_process=TWRP folder changed to} TWRP</action>
+					<action function="set">tw_slider_text={@swipe_to_confirm=Swipe to Confirm}</action>
+					<action function="set">tw_filecheck=/sdcard/TWRP</action>
+					<action function="set">tw_existpage=changeTwrpFolder</action>
+					<action function="set">tw_notexistpage=confirm_action</action>
+					<action function="page">filecheck</action>
+				</actions>
+			</button>
+
+			<template name="keyboardtemplate"/>
+
+			<action>
+				<touch key="home"/>
+				<actions>
+					<action function="page">main</action>
+				</actions>
+			</action>
+
+			<action>
+				<touch key="back"/>
+				<actions>
+					<action function="page">advanced</action>
+				</actions>
+			</action>
+		</page>
 	</pages>
 </recovery>
diff --git a/gui/theme/common/watch.xml b/gui/theme/common/watch.xml
index 5520a35..6dd019f 100755
--- a/gui/theme/common/watch.xml
+++ b/gui/theme/common/watch.xml
@@ -4232,6 +4232,10 @@
 
 			<listbox style="advanced_listbox">
 				<placement x="%indent%" y="%row2_header_y%" w="%content_width%" h="%fileselector_install_height%"/>
+				<listitem name="{@change_twrp_folder_btn=Change TWRP folder}">
+					<condition var1="tw_is_encrypted" var2="0"/>
+					<action function="page">changeTwrpFolder</action>
+				</listitem>
 				<listitem name="{@decrypt_users=Decrypt Users}">
 					<conditions>
 						<condition var1="tw_is_fbe" var2="1"/>
@@ -5880,5 +5884,99 @@
 				<action function="page">advanced</action>
 			</action>
 		</page>
+
+		<page name="changeTwrpFolder">
+			<template name="page"/>
+
+			<template name="statusbar"/>
+
+			<text style="text_m">
+				<placement x="%col1_x_left%" y="%row1_header_y%"/>
+				<text>{@change_twrp_folder_btn=Change TWRP folder}</text>
+			</text>
+
+			<text style="text_m_accent">
+				<placement x="%col1_x_left%" y="%row1_y%"/>
+				<text>{@name=Name:}</text>
+			</text>
+
+			<input>
+				<placement x="%col1_x_left%" y="%row2_y%" w="%content_width%" h="%input_height%"/>
+				<text>%tw_custom_folder%</text>
+				<data name="tw_custom_folder"/>
+				<restrict minlen="1" maxlen="64" allow="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"/>
+				<actions>
+					<action function="set">tw_back=changeTwrpFolder</action>
+					<action function="set">tw_action=applycustomtwrpfolder</action>
+					<action function="set">tw_action_param=%tw_custom_folder%</action>
+					<action function="set">tw_text1={@confirm_action=Confirm}</action>
+					<action function="set">tw_text2={@rename_backup_confirm2=This cannot be undone!}</action>
+					<action function="set">tw_action_text1={@change_twrp_folder_on_process=Changing TWRP folder}</action>
+					<action function="set">tw_complete_text1={@change_twrp_folder_after_process=TWRP folder changed to} %tw_custom_folder%</action>
+					<action function="set">tw_slider_text={@swipe_to_confirm=Swipe to Confirm}</action>
+					<action function="set">tw_filecheck=/sdcard/%tw_custom_folder%</action>
+					<action function="set">tw_existpage=changeTwrpFolder</action>
+					<action function="set">tw_notexistpage=confirm_action</action>
+					<action function="page">filecheck</action>
+				</actions>
+			</input>
+
+			<fill color="%accent_color%">
+				<placement x="%col1_x_left%" y="%row3_input_y%" w="%content_width%" h="%input_line_width%" placement="1"/>
+			</fill>
+
+			<fill color="%text_fail_color%">
+				<condition var1="tw_fileexists" var2="1"/>
+				<placement x="%col1_x_left%" y="%row3_input_y%" w="%content_width%" h="%input_line_width%" placement="1"/>
+			</fill>
+
+			<text style="text_m_fail">
+				<condition var1="tw_fileexists" var2="1"/>
+				<placement x="%col1_x_left%" y="%row3_input_y%"/>
+				<text>{@tw_folder_exists=A folder with that name already exists!}</text>
+			</text>
+
+			<button style="main_button_half_width_low">
+				<placement x="%col1_x_left%" y="%row4_y%"/>
+				<text>{@cancel_btn=Cancel}</text>
+				<action function="page">advanced2</action>
+			</button>
+
+			<button style="main_button_half_height">
+				<condition var1="tw_recovery_folder" op="!=" var2="/TWRP"/>
+				<placement x="%col1_x_right%" y="%row4_y%"/>
+				<text>{@restore_defaults_btn=Restore Defaults}</text>
+				<actions>
+					<action function="set">tw_back=changeTwrpFolder</action>
+					<action function="set">tw_action=applycustomtwrpfolder</action>
+					<action function="set">tw_action_param=TWRP</action>
+					<action function="set">tw_text1={@confirm_action=Confirm}</action>
+					<action function="set">tw_text2={@rename_backup_confirm2=This cannot be undone!}</action>
+					<action function="set">tw_action_text1={@change_twrp_folder_on_process=Changing TWRP folder}</action>
+					<action function="set">tw_complete_text1={@change_twrp_folder_after_process=TWRP folder changed to} TWRP</action>
+					<action function="set">tw_slider_text={@swipe_to_confirm=Swipe to Confirm}</action>
+					<action function="set">tw_filecheck=/sdcard/TWRP</action>
+					<action function="set">tw_existpage=changeTwrpFolder</action>
+					<action function="set">tw_notexistpage=confirm_action</action>
+					<action function="page">filecheck</action>
+				</actions>
+			</button>
+
+			<template name="keyboardtemplate"/>
+
+			<action>
+				<touch key="home"/>
+				<actions>
+					<action function="page">main</action>
+				</actions>
+			</action>
+
+			<action>
+				<touch key="back"/>
+				<actions>
+					<action function="page">advanced2</action>
+				</actions>
+			</action>
+		</page>
 	</pages>
 </recovery>