1 files changed, 147 insertions, 0 deletions
diff --git a/gui/animation.cpp b/gui/animation.cpp
new file mode 100644
index 000000000..2244503e8
--- /dev/null
+++ b/gui/animation.cpp
@@ -0,0 +1,147 @@
+/*
+	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/>.
+*/
+
+// animation.cpp - GUIAnimation object
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/reboot.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <string>
+
+extern "C" {
+#include "../twcommon.h"
+}
+#include "../minuitwrp/minui.h"
+
+#include "rapidxml.hpp"
+#include "objects.hpp"
+
+
+GUIAnimation::GUIAnimation(xml_node<>* node) : GUIObject(node)
+{
+	xml_node<>* child;
+
+	mAnimation = NULL;
+	mFrame = 1;
+	mFPS = 1;
+	mLoop = -1;
+	mRender = 1;
+	mUpdateCount = 0;
+
+	if (!node)  return;
+
+	mAnimation = LoadAttrAnimation(FindNode(node, "resource"), "name");
+
+	// Load the placement
+	LoadPlacement(FindNode(node, "placement"), &mRenderX, &mRenderY, NULL, NULL, &mPlacement);
+
+	child = FindNode(node, "speed");
+	if (child)
+	{
+		mFPS = LoadAttrInt(child, "fps", mFPS);
+		mRender = LoadAttrInt(child, "render", mRender);
+	}
+	if (mFPS > 30)  mFPS = 30;
+
+	child = FindNode(node, "loop");
+	if (child)
+	{
+		xml_attribute<>* attr = child->first_attribute("frame");
+		if (attr)
+			mLoop = atoi(attr->value()) - 1;
+		mFrame = LoadAttrInt(child, "start", mFrame);
+	}
+
+	// Fetch the render sizes
+	if (mAnimation && mAnimation->GetResource())
+	{
+		mRenderW = mAnimation->GetWidth();
+		mRenderH = mAnimation->GetHeight();
+
+		// Adjust for placement
+		if (mPlacement != TOP_LEFT && mPlacement != BOTTOM_LEFT)
+		{
+			if (mPlacement == CENTER)
+				mRenderX -= (mRenderW / 2);
+			else
+				mRenderX -= mRenderW;
+		}
+		if (mPlacement != TOP_LEFT && mPlacement != TOP_RIGHT)
+		{
+			if (mPlacement == CENTER)
+				mRenderY -= (mRenderH / 2);
+			else
+				mRenderY -= mRenderH;
+		}
+		SetPlacement(TOP_LEFT);
+	}
+}
+
+int GUIAnimation::Render(void)
+{
+	if (!isConditionTrue())
+		return 0;
+
+	if (!mAnimation || !mAnimation->GetResource(mFrame))	return -1;
+
+	gr_blit(mAnimation->GetResource(mFrame), 0, 0, mRenderW, mRenderH, mRenderX, mRenderY);
+	return 0;
+}
+
+int GUIAnimation::Update(void)
+{
+	if (!isConditionTrue())
+		return 0;
+
+	if (!mAnimation)		return -1;
+
+	// Handle the "end-of-animation" state
+	if (mLoop == -2)		return 0;
+
+	// Determine if we need the next frame yet...
+	if (++mUpdateCount > 30 / mFPS)
+	{
+		mUpdateCount = 0;
+		if (++mFrame >= mAnimation->GetResourceCount())
+		{
+			if (mLoop < 0)
+			{
+				mFrame = mAnimation->GetResourceCount() - 1;
+				mLoop = -2;
+			}
+			else
+				mFrame = mLoop;
+		}
+		if (mRender == 2)	return 2;
+		return (Render() == 0 ? 1 : -1);
+	}
+	return 0;
+}
+