gecko/gfx/thebes/gfxPrefs.cpp

143 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gfxPrefs.h"
#include "mozilla/Preferences.h"
#include "MainThreadUtils.h"
#include "mozilla/gfx/Logging.h"
using namespace mozilla;
gfxPrefs* gfxPrefs::sInstance = nullptr;
bool gfxPrefs::sInstanceHasBeenDestroyed = false;
class PreferenceAccessImpl : public mozilla::gfx::PreferenceAccess
{
public:
virtual ~PreferenceAccessImpl();
virtual void LivePref(const char* aName, int32_t* aVar, int32_t aDefault) MOZ_OVERRIDE;
};
PreferenceAccessImpl::~PreferenceAccessImpl()
{
}
void PreferenceAccessImpl::LivePref(const char* aName,
int32_t* aVar,
int32_t aDefault)
{
Preferences::AddIntVarCache(aVar, aName, aDefault);
}
void
gfxPrefs::DestroySingleton()
{
if (sInstance) {
delete sInstance;
sInstance = nullptr;
sInstanceHasBeenDestroyed = true;
}
MOZ_ASSERT(!SingletonExists());
}
bool
gfxPrefs::SingletonExists()
{
return sInstance != nullptr;
}
gfxPrefs::gfxPrefs()
{
gfxPrefs::AssertMainThread();
mMoz2DPrefAccess = new PreferenceAccessImpl;
mozilla::gfx::PreferenceAccess::SetAccess(mMoz2DPrefAccess);
}
gfxPrefs::~gfxPrefs()
{
gfxPrefs::AssertMainThread();
// gfxPrefs is a singleton, we can reset this to null once
// it goes away.
mozilla::gfx::PreferenceAccess::SetAccess(nullptr);
delete mMoz2DPrefAccess;
mMoz2DPrefAccess = nullptr;
}
void gfxPrefs::AssertMainThread()
{
MOZ_ASSERT(NS_IsMainThread(), "this code must be run on the main thread");
}
void gfxPrefs::PrefAddVarCache(bool* aVariable,
const char* aPref,
bool aDefault)
{
Preferences::AddBoolVarCache(aVariable, aPref, aDefault);
}
void gfxPrefs::PrefAddVarCache(int32_t* aVariable,
const char* aPref,
int32_t aDefault)
{
Preferences::AddIntVarCache(aVariable, aPref, aDefault);
}
void gfxPrefs::PrefAddVarCache(uint32_t* aVariable,
const char* aPref,
uint32_t aDefault)
{
Preferences::AddUintVarCache(aVariable, aPref, aDefault);
}
void gfxPrefs::PrefAddVarCache(float* aVariable,
const char* aPref,
float aDefault)
{
Preferences::AddFloatVarCache(aVariable, aPref, aDefault);
}
bool gfxPrefs::PrefGet(const char* aPref, bool aDefault)
{
return Preferences::GetBool(aPref, aDefault);
}
int32_t gfxPrefs::PrefGet(const char* aPref, int32_t aDefault)
{
return Preferences::GetInt(aPref, aDefault);
}
uint32_t gfxPrefs::PrefGet(const char* aPref, uint32_t aDefault)
{
return Preferences::GetUint(aPref, aDefault);
}
float gfxPrefs::PrefGet(const char* aPref, float aDefault)
{
return Preferences::GetFloat(aPref, aDefault);
}
void gfxPrefs::PrefSet(const char* aPref, bool aValue)
{
Preferences::SetBool(aPref, aValue);
}
void gfxPrefs::PrefSet(const char* aPref, int32_t aValue)
{
Preferences::SetInt(aPref, aValue);
}
void gfxPrefs::PrefSet(const char* aPref, uint32_t aValue)
{
Preferences::SetUint(aPref, aValue);
}
void gfxPrefs::PrefSet(const char* aPref, float aValue)
{
Preferences::SetFloat(aPref, aValue);
}