2 files changed, 208 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp b/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp
new file mode 100644
index 0000000000..98c9663684
--- /dev/null
+++ b/gfx/skia/skia/src/fonts/SkFontMgr_indirect.cpp
@@ -0,0 +1,185 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "include/core/SkFontMgr.h"
+#include "include/core/SkFontStyle.h"
+#include "include/core/SkRefCnt.h"
+#include "include/core/SkStream.h"
+#include "include/core/SkString.h"
+#include "include/core/SkTypeface.h"
+#include "include/core/SkTypes.h"
+#include "include/ports/SkFontMgr_indirect.h"
+#include "include/ports/SkRemotableFontMgr.h"
+#include "include/private/base/SkMutex.h"
+#include "include/private/base/SkOnce.h"
+#include "include/private/base/SkTArray.h"
+#include "include/private/base/SkTemplates.h"
+
+class SkData;
+
+class SkStyleSet_Indirect : public SkFontStyleSet {
+public:
+    /** Takes ownership of the SkRemotableFontIdentitySet. */
+    SkStyleSet_Indirect(const SkFontMgr_Indirect* owner, int familyIndex,
+                        SkRemotableFontIdentitySet* data)
+        : fOwner(SkRef(owner)), fFamilyIndex(familyIndex), fData(data)
+    { }
+
+    int count() override { return fData->count(); }
+
+    void getStyle(int index, SkFontStyle* fs, SkString* style) override {
+        if (fs) {
+            *fs = fData->at(index).fFontStyle;
+        }
+        if (style) {
+            // TODO: is this useful? Current locale?
+            style->reset();
+        }
+    }
+
+    SkTypeface* createTypeface(int index) override {
+        return fOwner->createTypefaceFromFontId(fData->at(index));
+    }
+
+    SkTypeface* matchStyle(const SkFontStyle& pattern) override {
+        if (fFamilyIndex >= 0) {
+            SkFontIdentity id = fOwner->fProxy->matchIndexStyle(fFamilyIndex, pattern);
+            return fOwner->createTypefaceFromFontId(id);
+        }
+
+        return this->matchStyleCSS3(pattern);
+    }
+private:
+    sk_sp<const SkFontMgr_Indirect> fOwner;
+    int fFamilyIndex;
+    sk_sp<SkRemotableFontIdentitySet> fData;
+};
+
+int SkFontMgr_Indirect::onCountFamilies() const {
+    return 0;
+}
+
+void SkFontMgr_Indirect::onGetFamilyName(int index, SkString* familyName) const {
+    SK_ABORT("Not implemented");
+}
+
+SkFontStyleSet* SkFontMgr_Indirect::onCreateStyleSet(int index) const {
+    SK_ABORT("Not implemented");
+}
+
+SkFontStyleSet* SkFontMgr_Indirect::onMatchFamily(const char familyName[]) const {
+    return new SkStyleSet_Indirect(this, -1, fProxy->matchName(familyName));
+}
+
+SkTypeface* SkFontMgr_Indirect::createTypefaceFromFontId(const SkFontIdentity& id) const {
+    if (id.fDataId == SkFontIdentity::kInvalidDataId) {
+        return nullptr;
+    }
+
+    SkAutoMutexExclusive ama(fDataCacheMutex);
+
+    sk_sp<SkTypeface> dataTypeface;
+    int dataTypefaceIndex = 0;
+    for (int i = 0; i < fDataCache.size(); ++i) {
+        const DataEntry& entry = fDataCache[i];
+        if (entry.fDataId == id.fDataId) {
+            if (entry.fTtcIndex == id.fTtcIndex &&
+                !entry.fTypeface->weak_expired() && entry.fTypeface->try_ref())
+            {
+                return entry.fTypeface;
+            }
+            if (dataTypeface.get() == nullptr &&
+                !entry.fTypeface->weak_expired() && entry.fTypeface->try_ref())
+            {
+                dataTypeface.reset(entry.fTypeface);
+                dataTypefaceIndex = entry.fTtcIndex;
+            }
+        }
+
+        if (entry.fTypeface->weak_expired()) {
+            fDataCache.removeShuffle(i);
+            --i;
+        }
+    }
+
+    // No exact match, but did find a data match.
+    if (dataTypeface.get() != nullptr) {
+        std::unique_ptr<SkStreamAsset> stream(dataTypeface->openStream(nullptr));
+        if (stream.get() != nullptr) {
+            return fImpl->makeFromStream(std::move(stream), dataTypefaceIndex).release();
+        }
+    }
+
+    // No data match, request data and add entry.
+    std::unique_ptr<SkStreamAsset> stream(fProxy->getData(id.fDataId));
+    if (stream.get() == nullptr) {
+        return nullptr;
+    }
+
+    sk_sp<SkTypeface> typeface(fImpl->makeFromStream(std::move(stream), id.fTtcIndex));
+    if (typeface.get() == nullptr) {
+        return nullptr;
+    }
+
+    DataEntry& newEntry = fDataCache.push_back();
+    typeface->weak_ref();
+    newEntry.fDataId = id.fDataId;
+    newEntry.fTtcIndex = id.fTtcIndex;
+    newEntry.fTypeface = typeface.get();  // weak reference passed to new entry.
+
+    return typeface.release();
+}
+
+SkTypeface* SkFontMgr_Indirect::onMatchFamilyStyle(const char familyName[],
+                                                   const SkFontStyle& fontStyle) const {
+    SkFontIdentity id = fProxy->matchNameStyle(familyName, fontStyle);
+    return this->createTypefaceFromFontId(id);
+}
+
+SkTypeface* SkFontMgr_Indirect::onMatchFamilyStyleCharacter(const char familyName[],
+                                                            const SkFontStyle& style,
+                                                            const char* bcp47[],
+                                                            int bcp47Count,
+                                                            SkUnichar character) const {
+    SkFontIdentity id = fProxy->matchNameStyleCharacter(familyName, style, bcp47,
+                                                        bcp47Count, character);
+    return this->createTypefaceFromFontId(id);
+}
+
+sk_sp<SkTypeface> SkFontMgr_Indirect::onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset> stream,
+                                                            int ttcIndex) const {
+    return fImpl->makeFromStream(std::move(stream), ttcIndex);
+}
+
+sk_sp<SkTypeface> SkFontMgr_Indirect::onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset> stream,
+                                                           const SkFontArguments& args) const {
+    return fImpl->makeFromStream(std::move(stream), args);
+}
+
+sk_sp<SkTypeface> SkFontMgr_Indirect::onMakeFromFile(const char path[], int ttcIndex) const {
+    return fImpl->makeFromFile(path, ttcIndex);
+}
+
+sk_sp<SkTypeface> SkFontMgr_Indirect::onMakeFromData(sk_sp<SkData> data, int ttcIndex) const {
+    return fImpl->makeFromData(std::move(data), ttcIndex);
+}
+
+sk_sp<SkTypeface> SkFontMgr_Indirect::onLegacyMakeTypeface(const char familyName[],
+                                                           SkFontStyle style) const {
+    sk_sp<SkTypeface> face(this->matchFamilyStyle(familyName, style));
+
+    if (nullptr == face.get()) {
+        face.reset(this->matchFamilyStyle(nullptr, style));
+    }
+
+    if (nullptr == face.get()) {
+        SkFontIdentity fontId = this->fProxy->matchIndexStyle(0, style);
+        face.reset(this->createTypefaceFromFontId(fontId));
+    }
+
+    return face;
+}
diff --git a/gfx/skia/skia/src/fonts/SkRemotableFontMgr.cpp b/gfx/skia/skia/src/fonts/SkRemotableFontMgr.cpp
new file mode 100644
index 0000000000..d8c904a566
--- /dev/null
+++ b/gfx/skia/skia/src/fonts/SkRemotableFontMgr.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "include/ports/SkRemotableFontMgr.h"
+#include "include/private/base/SkOnce.h"
+
+SkRemotableFontIdentitySet::SkRemotableFontIdentitySet(int count, SkFontIdentity** data)
+      : fCount(count), fData(count)
+{
+    SkASSERT(data);
+    *data = fData.get();
+}
+
+SkRemotableFontIdentitySet* SkRemotableFontIdentitySet::NewEmpty() {
+    static SkOnce once;
+    static SkRemotableFontIdentitySet* empty;
+    once([]{ empty = new SkRemotableFontIdentitySet; });
+    return SkRef(empty);
+}