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