/* | |
* Copyright (C) 2008-2009 Torch Mobile Inc. | |
* | |
* This library is free software; you can redistribute it and/or | |
* modify it under the terms of the GNU Library General Public | |
* License as published by the Free Software Foundation; either | |
* version 2 of the License, or (at your option) any later version. | |
* | |
* This library 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 | |
* Library General Public License for more details. | |
* | |
* You should have received a copy of the GNU Library General Public License | |
* along with this library; see the file COPYING.LIB. If not, write to | |
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
* Boston, MA 02110-1301, USA. | |
*/ | |
#pragma once | |
#include <winbase.h> | |
typedef struct HBITMAP__* HBITMAP; | |
typedef struct HDC__* HDC; | |
typedef void *HANDLE; | |
typedef struct tagBITMAPINFO BITMAPINFO; | |
namespace WTF { | |
class MemoryManager { | |
public: | |
MemoryManager(); | |
~MemoryManager(); | |
bool allocationCanFail() const { return m_allocationCanFail; } | |
void setAllocationCanFail(bool c) { m_allocationCanFail = c; } | |
static HBITMAP createCompatibleBitmap(HDC hdc, int width, int height); | |
static HBITMAP createDIBSection(const BITMAPINFO* pbmi, void** ppvBits); | |
static void* m_malloc(size_t size); | |
static void* m_calloc(size_t num, size_t size); | |
static void* m_realloc(void* p, size_t size); | |
static void m_free(void*); | |
static bool resizeMemory(void* p, size_t newSize); | |
static void* allocate64kBlock(); | |
static void free64kBlock(void*); | |
static bool onIdle(DWORD& timeLimitMs); | |
static LPVOID virtualAlloc(LPVOID lpAddress, DWORD dwSize, DWORD flAllocationType, DWORD flProtect); | |
static BOOL virtualFree(LPVOID lpAddress, DWORD dwSize, DWORD dwFreeType); | |
private: | |
friend MemoryManager* memoryManager(); | |
bool m_allocationCanFail; | |
}; | |
MemoryManager* memoryManager(); | |
class MemoryAllocationCanFail { | |
public: | |
MemoryAllocationCanFail() : m_old(memoryManager()->allocationCanFail()) { memoryManager()->setAllocationCanFail(true); } | |
~MemoryAllocationCanFail() { memoryManager()->setAllocationCanFail(m_old); } | |
private: | |
bool m_old; | |
}; | |
class MemoryAllocationCannotFail { | |
public: | |
MemoryAllocationCannotFail() : m_old(memoryManager()->allocationCanFail()) { memoryManager()->setAllocationCanFail(false); } | |
~MemoryAllocationCannotFail() { memoryManager()->setAllocationCanFail(m_old); } | |
private: | |
bool m_old; | |
}; | |
} | |
using WTF::MemoryManager; | |
using WTF::memoryManager; | |
using WTF::MemoryAllocationCanFail; | |
using WTF::MemoryAllocationCannotFail; |