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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/config/gfxConfig.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/config/gfxConfig.cpp')
-rw-r--r--gfx/config/gfxConfig.cpp289
1 files changed, 289 insertions, 0 deletions
diff --git a/gfx/config/gfxConfig.cpp b/gfx/config/gfxConfig.cpp
new file mode 100644
index 000000000..56a96d2b2
--- /dev/null
+++ b/gfx/config/gfxConfig.cpp
@@ -0,0 +1,289 @@
+/* -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set sts=2 ts=8 sw=2 tw=99 et: */
+/* 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 "gfxConfig.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/gfx/GraphicsMessages.h"
+#include "plstr.h"
+
+namespace mozilla {
+namespace gfx {
+
+static UniquePtr<gfxConfig> sConfig;
+
+/* static */ FeatureState&
+gfxConfig::GetFeature(Feature aFeature)
+{
+ return sConfig->GetState(aFeature);
+}
+
+/* static */ bool
+gfxConfig::IsEnabled(Feature aFeature)
+{
+ const FeatureState& state = sConfig->GetState(aFeature);
+ return state.IsEnabled();
+}
+
+/* static */ bool
+gfxConfig::IsDisabledByDefault(Feature aFeature)
+{
+ const FeatureState& state = sConfig->GetState(aFeature);
+ return state.DisabledByDefault();
+}
+
+/* static */ bool
+gfxConfig::IsForcedOnByUser(Feature aFeature)
+{
+ const FeatureState& state = sConfig->GetState(aFeature);
+ return state.IsForcedOnByUser();
+}
+
+/* static */ FeatureStatus
+gfxConfig::GetValue(Feature aFeature)
+{
+ const FeatureState& state = sConfig->GetState(aFeature);
+ return state.GetValue();
+}
+
+/* static */ bool
+gfxConfig::SetDefault(Feature aFeature,
+ bool aEnable,
+ FeatureStatus aDisableStatus,
+ const char* aDisableMessage)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ return state.SetDefault(aEnable, aDisableStatus, aDisableMessage);
+}
+
+/* static */ void
+gfxConfig::DisableByDefault(Feature aFeature,
+ FeatureStatus aDisableStatus,
+ const char* aDisableMessage,
+ const nsACString& aFailureId)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ state.DisableByDefault(aDisableStatus, aDisableMessage, aFailureId);
+}
+
+/* static */ void
+gfxConfig::EnableByDefault(Feature aFeature)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ state.EnableByDefault();
+}
+
+/* static */ void
+gfxConfig::SetDefaultFromPref(Feature aFeature,
+ const char* aPrefName,
+ bool aIsEnablePref,
+ bool aDefaultValue)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ return state.SetDefaultFromPref(aPrefName, aIsEnablePref, aDefaultValue);
+}
+
+/* static */ bool
+gfxConfig::InitOrUpdate(Feature aFeature,
+ bool aEnable,
+ FeatureStatus aDisableStatus,
+ const char* aDisableMessage)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ return state.InitOrUpdate(aEnable, aDisableStatus, aDisableMessage);
+}
+
+/* static */ void
+gfxConfig::SetFailed(Feature aFeature, FeatureStatus aStatus, const char* aMessage,
+ const nsACString& aFailureId)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ state.SetFailed(aStatus, aMessage, aFailureId);
+}
+
+/* static */ void
+gfxConfig::Disable(Feature aFeature, FeatureStatus aStatus, const char* aMessage,
+ const nsACString& aFailureId)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ state.Disable(aStatus, aMessage, aFailureId);
+}
+
+/* static */ void
+gfxConfig::UserEnable(Feature aFeature, const char* aMessage)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ state.UserEnable(aMessage);
+}
+
+/* static */ void
+gfxConfig::UserForceEnable(Feature aFeature, const char* aMessage)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ state.UserForceEnable(aMessage);
+}
+
+/* static */ void
+gfxConfig::UserDisable(Feature aFeature, const char* aMessage, const nsACString& aFailureId)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ state.UserDisable(aMessage, aFailureId);
+}
+
+/* static */ void
+gfxConfig::Reenable(Feature aFeature, Fallback aFallback)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+ MOZ_ASSERT(IsFeatureStatusFailure(state.GetValue()));
+
+ const char* message = state.GetRuntimeMessage();
+ EnableFallback(aFallback, message);
+ state.SetRuntime(FeatureStatus::Available, nullptr);
+}
+
+/* static */ void
+gfxConfig::Inherit(Feature aFeature, FeatureStatus aStatus)
+{
+ FeatureState& state = sConfig->GetState(aFeature);
+
+ state.Reset();
+
+ switch (aStatus) {
+ case FeatureStatus::Unused:
+ break;
+ case FeatureStatus::Available:
+ gfxConfig::EnableByDefault(aFeature);
+ break;
+ case FeatureStatus::ForceEnabled:
+ gfxConfig::EnableByDefault(aFeature);
+ gfxConfig::UserForceEnable(aFeature, "Inherited from parent process");
+ break;
+ default:
+ gfxConfig::SetDefault(
+ aFeature,
+ false,
+ aStatus,
+ "Disabled in parent process");
+ break;
+ }
+}
+
+/* static */ bool
+gfxConfig::UseFallback(Fallback aFallback)
+{
+ return sConfig->UseFallbackImpl(aFallback);
+}
+
+/* static */ void
+gfxConfig::EnableFallback(Fallback aFallback, const char* aMessage)
+{
+ // Ignore aMessage for now.
+ sConfig->EnableFallbackImpl(aFallback, aMessage);
+}
+
+bool
+gfxConfig::UseFallbackImpl(Fallback aFallback) const
+{
+ return !!(mFallbackBits & (uint64_t(1) << uint64_t(aFallback)));
+}
+
+void
+gfxConfig::EnableFallbackImpl(Fallback aFallback, const char* aMessage)
+{
+ if (!UseFallbackImpl(aFallback)) {
+ MOZ_ASSERT(mNumFallbackLogEntries < kNumFallbacks);
+
+ FallbackLogEntry& entry = mFallbackLog[mNumFallbackLogEntries];
+ mNumFallbackLogEntries++;
+
+ entry.mFallback = aFallback;
+ PL_strncpyz(entry.mMessage, aMessage, sizeof(entry.mMessage));
+ }
+ mFallbackBits |= (uint64_t(1) << uint64_t(aFallback));
+}
+
+struct FeatureInfo {
+ const char* name;
+ const char* description;
+};
+static const FeatureInfo sFeatureInfo[] = {
+#define FOR_EACH_FEATURE(name, type, desc) {#name, desc},
+ GFX_FEATURE_MAP(FOR_EACH_FEATURE)
+#undef FOR_EACH_FEATURE
+ {nullptr, nullptr}
+};
+
+/* static */ void
+gfxConfig::ForEachFeature(const FeatureIterCallback& aCallback)
+{
+ for (size_t i = 0; i < kNumFeatures; i++) {
+ FeatureState& state = GetFeature(static_cast<Feature>(i));
+ if (!state.IsInitialized()) {
+ continue;
+ }
+
+ aCallback(sFeatureInfo[i].name,
+ sFeatureInfo[i].description,
+ state);
+ }
+}
+
+static const char* sFallbackNames[] = {
+#define FOR_EACH_FALLBACK(name) #name,
+ GFX_FALLBACK_MAP(FOR_EACH_FALLBACK)
+#undef FOR_EACH_FALLBACK
+ nullptr
+};
+
+/* static */ void
+gfxConfig::ForEachFallback(const FallbackIterCallback& aCallback)
+{
+ sConfig->ForEachFallbackImpl(aCallback);
+}
+
+void
+gfxConfig::ForEachFallbackImpl(const FallbackIterCallback& aCallback)
+{
+ for (size_t i = 0; i < mNumFallbackLogEntries; i++) {
+ const FallbackLogEntry& entry = mFallbackLog[i];
+ aCallback(sFallbackNames[size_t(entry.mFallback)], entry.mMessage);
+ }
+}
+
+/* static */ const nsCString&
+gfxConfig::GetFailureId(Feature aFeature)
+{
+ const FeatureState& state = sConfig->GetState(aFeature);
+ return state.GetFailureId();
+}
+
+/* static */ void
+gfxConfig::ImportChange(Feature aFeature, const FeatureChange& aChange)
+{
+ if (aChange.type() == FeatureChange::Tnull_t) {
+ return;
+ }
+
+ const FeatureFailure& failure = aChange.get_FeatureFailure();
+ gfxConfig::SetFailed(
+ aFeature,
+ failure.status(),
+ failure.message().get(),
+ failure.failureId());
+}
+
+/* static */ void
+gfxConfig::Init()
+{
+ sConfig = mozilla::MakeUnique<gfxConfig>();
+}
+
+/* static */ void
+gfxConfig::Shutdown()
+{
+ sConfig = nullptr;
+}
+
+} // namespace gfx
+} // namespace mozilla