1 files changed, 135 insertions, 0 deletions
diff --git a/gui/resources.hpp b/gui/resources.hpp
new file mode 100644
index 000000000..de673184c
--- /dev/null
+++ b/gui/resources.hpp
@@ -0,0 +1,135 @@
+/*
+	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/>.
+*/
+
+// resources.hpp - Base classes for resource management of GUI
+
+#ifndef _RESOURCE_HEADER
+#define _RESOURCE_HEADER
+
+#include <string>
+#include <vector>
+#include <map>
+#include "rapidxml.hpp"
+#include "../zipwrap.hpp"
+
+extern "C" {
+#include "../minuitwrp/minui.h"
+}
+
+// Base Objects
+class Resource
+{
+public:
+	Resource(xml_node<>* node, ZipWrap* pZip);
+	virtual ~Resource() {}
+
+public:
+	std::string GetName() { return mName; }
+
+private:
+	std::string mName;
+
+protected:
+	static int ExtractResource(ZipWrap* pZip, std::string folderName, std::string fileName, std::string fileExtn, std::string destFile);
+	static void LoadImage(ZipWrap* pZip, std::string file, gr_surface* surface);
+	static void CheckAndScaleImage(gr_surface source, gr_surface* destination, int retain_aspect);
+};
+
+class FontResource : public Resource
+{
+public:
+	FontResource(xml_node<>* node, ZipWrap* pZip);
+	virtual ~FontResource();
+
+public:
+	void* GetResource() { return this ? mFont : NULL; }
+	int GetHeight() { return gr_ttf_getMaxFontHeight(this ? mFont : NULL); }
+	void Override(xml_node<>* node, ZipWrap* pZip);
+
+protected:
+	void* mFont;
+
+private:
+	void LoadFont(xml_node<>* node, ZipWrap* pZip);
+	void DeleteFont();
+
+private:
+	int origFontSize;
+	void* origFont;
+};
+
+class ImageResource : public Resource
+{
+public:
+	ImageResource(xml_node<>* node, ZipWrap* pZip);
+	virtual ~ImageResource();
+
+public:
+	gr_surface GetResource() { return this ? mSurface : NULL; }
+	int GetWidth() { return gr_get_width(this ? mSurface : NULL); }
+	int GetHeight() { return gr_get_height(this ? mSurface : NULL); }
+
+protected:
+	gr_surface mSurface;
+};
+
+class AnimationResource : public Resource
+{
+public:
+	AnimationResource(xml_node<>* node, ZipWrap* pZip);
+	virtual ~AnimationResource();
+
+public:
+	gr_surface GetResource() { return (!this || mSurfaces.empty()) ? NULL : mSurfaces.at(0); }
+	gr_surface GetResource(int entry) { return (!this || mSurfaces.empty()) ? NULL : mSurfaces.at(entry); }
+	int GetWidth() { return gr_get_width(this ? GetResource() : NULL); }
+	int GetHeight() { return gr_get_height(this ? GetResource() : NULL); }
+	int GetResourceCount() { return mSurfaces.size(); }
+
+protected:
+	std::vector<gr_surface> mSurfaces;
+};
+
+class ResourceManager
+{
+public:
+	ResourceManager();
+	virtual ~ResourceManager();
+	void AddStringResource(std::string resource_source, std::string resource_name, std::string value);
+	void LoadResources(xml_node<>* resList, ZipWrap* pZip, std::string resource_source);
+
+public:
+	FontResource* FindFont(const std::string& name) const;
+	ImageResource* FindImage(const std::string& name) const;
+	AnimationResource* FindAnimation(const std::string& name) const;
+	std::string FindString(const std::string& name) const;
+	std::string FindString(const std::string& name, const std::string& default_string) const;
+	void DumpStrings() const;
+
+private:
+	struct string_resource_struct {
+		std::string value;
+		std::string source;
+	};
+	std::vector<FontResource*> mFonts;
+	std::vector<ImageResource*> mImages;
+	std::vector<AnimationResource*> mAnimations;
+	std::map<std::string, string_resource_struct> mStrings;
+};
+
+#endif  // _RESOURCE_HEADER