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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/dom/font_cache.h"
#include "base/bind.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "cobalt/csp/content_security_policy.h"
#include "cobalt/dom/font_face.h"
#include "cobalt/loader/font/remote_typeface_cache.h"
#include "cobalt/loader/font/typeface_decoder.h"
#include "cobalt/loader/loader.h"
#include "cobalt/loader/mock_loader_factory.h"
#include "cobalt/render_tree/mock_resource_provider.h"
#include "cobalt/render_tree/resource_provider.h"
#include "cobalt/render_tree/resource_provider_stub.h"
#include "googleurl/src/gurl.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cobalt {
namespace dom {
using ::testing::_;
using ::testing::Return;
const render_tree::FontStyle kNormalUpright(
render_tree::FontStyle::kNormalWeight,
render_tree::FontStyle::kUprightSlant);
scoped_ptr<FontCache::FontFaceMap> CreateFontFaceMapHelper(
const std::string& family_name, const base::StringPiece local_font_name) {
scoped_ptr<FontCache::FontFaceMap> ffm(new FontCache::FontFaceMap());
dom::FontFaceStyleSet ffss;
dom::FontFaceStyleSet::Entry entry;
entry.sources.push_back(
FontFaceSource(local_font_name.as_string())); // local()
entry.sources.push_back(FontFaceSource(
GURL("https://example.com/Dancing-Regular.woff"))); // url()
ffss.AddEntry(entry);
ffm->insert(FontCache::FontFaceMap::value_type(family_name, ffss));
return ffm.Pass();
}
class FontCacheTest : public ::testing::Test {
public:
FontCacheTest();
~FontCacheTest() OVERRIDE {}
void DummyOnTypefaceLoadEvent() {}
protected:
::testing::StrictMock<loader::MockLoaderFactory> loader_factory_;
scoped_refptr<cobalt::render_tree::Typeface> sample_typeface_;
::testing::StrictMock<cobalt::render_tree::MockResourceProvider>
mock_resource_provider_;
cobalt::render_tree::ResourceProvider* mrp;
scoped_ptr<loader::font::RemoteTypefaceCache> rtc;
scoped_ptr<dom::FontCache> font_cache_;
MessageLoop message_loop_;
};
FontCacheTest::FontCacheTest()
: sample_typeface_(new render_tree::TypefaceStub(NULL)),
mrp(dynamic_cast<cobalt::render_tree::ResourceProvider*>(
&mock_resource_provider_)),
rtc(new loader::font::RemoteTypefaceCache(
"test_cache", 32 * 1024 /* 32 KB */,
base::Bind(&loader::MockLoaderFactory::CreateTypefaceLoader,
base::Unretained(&loader_factory_)))),
font_cache_(
new dom::FontCache(&mrp, // resource_provider
rtc.get(), // remotetypefacecache
ALLOW_THIS_IN_INITIALIZER_LIST(base::Bind(
&FontCacheTest::DummyOnTypefaceLoadEvent,
base::Unretained(this))),
"en-US", NULL)) {}
TEST_F(FontCacheTest, FindPostscriptFont) {
const std::string family_name("Dancing Script");
const std::string postscript_font_name("DancingScript");
scoped_ptr<FontCache::FontFaceMap> ffm =
CreateFontFaceMapHelper(family_name, postscript_font_name);
font_cache_->SetFontFaceMap(ffm.Pass());
EXPECT_CALL(loader_factory_, CreateTypefaceLoaderMock(_, _, _, _))
.Times(0);
EXPECT_CALL(mock_resource_provider_,
GetLocalTypefaceIfAvailableMock(postscript_font_name))
.WillOnce(Return(sample_typeface_));
FontListFont::State state;
scoped_refptr<render_tree::Font> f =
font_cache_->TryGetFont(family_name, kNormalUpright, 12.0, &state);
EXPECT_TRUE(f);
}
TEST_F(FontCacheTest, UseRemote) {
std::string invalid_postscript_font_name = "DancingScriptInvalidName";
const std::string family_name("Dancing Script");
scoped_ptr<FontCache::FontFaceMap> ffm =
CreateFontFaceMapHelper(family_name, invalid_postscript_font_name);
font_cache_->SetFontFaceMap(ffm.Pass());
EXPECT_CALL(mock_resource_provider_,
GetLocalTypefaceIfAvailableMock(invalid_postscript_font_name))
.Times(1);
EXPECT_CALL(loader_factory_, CreateTypefaceLoaderMock(_, _, _, _));
FontListFont::State state;
scoped_refptr<render_tree::Font> f =
font_cache_->TryGetFont(family_name, kNormalUpright, 12.0, &state);
EXPECT_FALSE(f);
}
} // namespace dom
} // namespace cobalt