2 files changed, 219 insertions, 0 deletions
diff --git a/gui/pages.h b/gui/pages.h
new file mode 100644
index 000000000..d407162a2
--- /dev/null
+++ b/gui/pages.h
@@ -0,0 +1,7 @@
+#ifndef _PAGES_HEADER
+#define _PAGES_HEADER
+
+void gui_notifyVarChange(const char *name, const char* value);
+
+#endif  // _PAGES_HEADER
+
diff --git a/gui/pages.hpp b/gui/pages.hpp
new file mode 100644
index 000000000..282b2d5b1
--- /dev/null
+++ b/gui/pages.hpp
@@ -0,0 +1,212 @@
+/*
+	Copyright 2017 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/>.
+*/
+
+// pages.hpp - Base classes for page manager of GUI
+
+#ifndef _PAGES_HEADER_HPP
+#define _PAGES_HEADER_HPP
+
+#include "../zipwrap.hpp"
+#include <vector>
+#include <map>
+#include <string>
+#include "rapidxml.hpp"
+#include "gui.hpp"
+using namespace rapidxml;
+
+enum TOUCH_STATE {
+	TOUCH_START = 0,
+	TOUCH_DRAG = 1,
+	TOUCH_RELEASE = 2,
+	TOUCH_HOLD = 3,
+	TOUCH_REPEAT = 4
+};
+
+struct COLOR {
+	unsigned char red;
+	unsigned char green;
+	unsigned char blue;
+	unsigned char alpha;
+	COLOR() : red(0), green(0), blue(0), alpha(0) {}
+	COLOR(unsigned char r, unsigned char g, unsigned char b, unsigned char a = 255)
+		: red(r), green(g), blue(b), alpha(a) {}
+};
+
+struct language_struct {
+	std::string filename;
+	std::string displayvalue;
+};
+
+inline bool operator < (const language_struct& language1, const language_struct& language2)
+{
+	return language1.displayvalue < language2.displayvalue;
+}
+
+extern std::vector<language_struct> Language_List;
+
+// Utility Functions
+int ConvertStrToColor(std::string str, COLOR* color);
+int gui_forceRender(void);
+int gui_changePage(std::string newPage);
+int gui_changeOverlay(std::string newPage);
+
+class Resource;
+class ResourceManager;
+class RenderObject;
+class ActionObject;
+class InputObject;
+class MouseCursor;
+class GUIObject;
+class HardwareKeyboard;
+
+class Page
+{
+public:
+	Page(xml_node<>* page, std::vector<xml_node<>*> *templates);
+	virtual ~Page();
+
+	std::string GetName(void)   { return mName; }
+
+public:
+	virtual int Render(void);
+	virtual int Update(void);
+	virtual int NotifyTouch(TOUCH_STATE state, int x, int y);
+	virtual int NotifyKey(int key, bool down);
+	virtual int NotifyCharInput(int ch);
+	virtual int SetKeyBoardFocus(int inFocus);
+	virtual int NotifyVarChange(std::string varName, std::string value);
+	virtual void SetPageFocus(int inFocus);
+
+protected:
+	std::string mName;
+	std::vector<GUIObject*> mObjects;
+	std::vector<RenderObject*> mRenders;
+	std::vector<ActionObject*> mActions;
+	std::vector<InputObject*> mInputs;
+
+	ActionObject* mTouchStart;
+	COLOR mBackground;
+
+protected:
+	bool ProcessNode(xml_node<>* page, std::vector<xml_node<>*> *templates, int depth);
+};
+
+struct LoadingContext;
+
+class PageSet
+{
+public:
+	PageSet();
+	virtual ~PageSet();
+
+public:
+	int Load(LoadingContext& ctx, const std::string& filename);
+	int LoadLanguage(char* languageFile, ZipWrap* package);
+	void MakeEmergencyConsoleIfNeeded();
+
+	Page* FindPage(std::string name);
+	int SetPage(std::string page);
+	int SetOverlay(Page* page);
+	const ResourceManager* GetResources();
+
+	// Helper routine for identifing if we're the current page
+	int IsCurrentPage(Page* page);
+	std::string GetCurrentPage() const;
+
+	// These are routing routines
+	int Render(void);
+	int Update(void);
+	int NotifyTouch(TOUCH_STATE state, int x, int y);
+	int NotifyKey(int key, bool down);
+	int NotifyCharInput(int ch);
+	int SetKeyBoardFocus(int inFocus);
+	int NotifyVarChange(std::string varName, std::string value);
+
+	void AddStringResource(std::string resource_source, std::string resource_name, std::string value);
+
+protected:
+	int LoadDetails(LoadingContext& ctx, xml_node<>* root);
+	int LoadPages(LoadingContext& ctx, xml_node<>* pages);
+	int LoadVariables(xml_node<>* vars);
+
+protected:
+	ResourceManager* mResources;
+	std::vector<Page*> mPages;
+	Page* mCurrentPage;
+	std::vector<Page*> mOverlays; // Special case for popup dialogs and the lock screen
+};
+
+class PageManager
+{
+public:
+	// Used by GUI
+	static char* LoadFileToBuffer(std::string filename, ZipWrap* package);
+	static void LoadLanguageList(ZipWrap* package);
+	static void LoadLanguage(std::string filename);
+	static int LoadPackage(std::string name, std::string package, std::string startpage);
+	static PageSet* SelectPackage(std::string name);
+	static int ReloadPackage(std::string name, std::string package);
+	static void ReleasePackage(std::string name);
+	static int RunReload();
+	static void RequestReload();
+	static void SetStartPage(const std::string& page_name);
+
+	// Used for actions and pages
+	static int ChangePage(std::string name);
+	static int ChangeOverlay(std::string name);
+	static const ResourceManager* GetResources();
+	static std::string GetCurrentPage();
+
+	// Helper to identify if a particular page is the active page
+	static int IsCurrentPage(Page* page);
+
+	// These are routing routines
+	static int Render(void);
+	static int Update(void);
+	static int NotifyTouch(TOUCH_STATE state, int x, int y);
+	static int NotifyKey(int key, bool down);
+	static int NotifyCharInput(int ch);
+	static int SetKeyBoardFocus(int inFocus);
+	static int NotifyVarChange(std::string varName, std::string value);
+
+	static MouseCursor *GetMouseCursor();
+	static void LoadCursorData(xml_node<>* node);
+
+	static HardwareKeyboard *GetHardwareKeyboard();
+
+	static xml_node<>* FindStyle(std::string name);
+	static void AddStringResource(std::string resource_source, std::string resource_name, std::string value);
+
+protected:
+	static PageSet* FindPackage(std::string name);
+	static void LoadLanguageListDir(std::string dir);
+	static void Translate_Partition(const char* path, const char* resource_name, const char* default_value);
+	static void Translate_Partition(const char* path, const char* resource_name, const char* default_value, const char* storage_resource_name, const char* storage_default_value);
+	static void Translate_Partition_Display_Names();
+
+protected:
+	static std::map<std::string, PageSet*> mPageSets;
+	static PageSet* mCurrentSet;
+	static MouseCursor *mMouseCursor;
+	static HardwareKeyboard *mHardwareKeyboard;
+	static bool mReloadTheme;
+	static std::string mStartPage;
+	static LoadingContext* currentLoadingContext;
+};
+
+#endif  // _PAGES_HEADER_HPP