return 0;
}
-static bool shouldGenerateVersionedResource(const sp<ResourceTable::ConfigList>& configList,
- const ConfigDescription& sourceConfig,
- const int sdkVersionToGenerate) {
+bool ResourceTable::shouldGenerateVersionedResource(
+ const sp<ResourceTable::ConfigList>& configList,
+ const ConfigDescription& sourceConfig,
+ const int sdkVersionToGenerate) {
assert(sdkVersionToGenerate > sourceConfig.sdkVersion);
const DefaultKeyedVector<ConfigDescription, sp<ResourceTable::Entry>>& entries
= configList->getEntries();
// The source config came from this list, so it should be here.
assert(idx >= 0);
- idx += 1;
- if (static_cast<size_t>(idx) >= entries.size()) {
- // This is the last configuration, so we should generate a versioned resource.
- return true;
- }
+ // The next configuration either only varies in sdkVersion, or it is completely different
+ // and therefore incompatible. If it is incompatible, we must generate the versioned resource.
- const ConfigDescription& nextConfig = entries.keyAt(idx);
-
- // Build a configuration that is the same as the source config,
- // but with the SDK level of the next config. If they are the same,
- // then they only differ in SDK level. If the next configs SDK level is
- // higher than the one we want to generate, we must generate it.
+ // NOTE: The ordering of configurations takes sdkVersion as higher precedence than other
+ // qualifiers, so we need to iterate through the entire list to be sure there
+ // are no higher sdk level versions of this resource.
ConfigDescription tempConfig(sourceConfig);
- tempConfig.sdkVersion = nextConfig.sdkVersion;
- if (nextConfig == tempConfig) {
- return sdkVersionToGenerate < nextConfig.sdkVersion;
+ for (size_t i = static_cast<size_t>(idx) + 1; i < entries.size(); i++) {
+ const ConfigDescription& nextConfig = entries.keyAt(i);
+ tempConfig.sdkVersion = nextConfig.sdkVersion;
+ if (tempConfig == nextConfig) {
+ // The two configs are the same, check the sdk version.
+ return sdkVersionToGenerate < nextConfig.sdkVersion;
+ }
}
- return false;
+
+ // No match was found, so we should generate the versioned resource.
+ return true;
}
/**
--- /dev/null
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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 <utils/String8.h>
+#include <gtest/gtest.h>
+
+#include "ConfigDescription.h"
+#include "ResourceTable.h"
+#include "TestHelper.h"
+
+using android::String16;
+
+TEST(ResourceTableTest, generateVersionedResources) {
+ sp<ResourceTable::ConfigList> configs(new ResourceTable::ConfigList(String16(), SourcePos()));
+
+ ConfigDescription defaultConfig = {};
+
+ ConfigDescription landConfig = {};
+ landConfig.orientation = ResTable_config::ORIENTATION_LAND;
+
+ ConfigDescription sw600dpLandConfig = {};
+ sw600dpLandConfig.orientation = ResTable_config::ORIENTATION_LAND;
+ sw600dpLandConfig.smallestScreenWidthDp = 600;
+
+ configs->addEntry(defaultConfig, new ResourceTable::Entry(String16(), SourcePos()));
+ configs->addEntry(landConfig, new ResourceTable::Entry(String16(), SourcePos()));
+ configs->addEntry(sw600dpLandConfig, new ResourceTable::Entry(String16(), SourcePos()));
+
+ EXPECT_TRUE(ResourceTable::shouldGenerateVersionedResource(configs, defaultConfig, 17));
+ EXPECT_TRUE(ResourceTable::shouldGenerateVersionedResource(configs, landConfig, 17));
+}
+
+TEST(ResourceTableTest, generateVersionedResourceWhenHigherVersionExists) {
+ sp<ResourceTable::ConfigList> configs(new ResourceTable::ConfigList(String16(), SourcePos()));
+
+ ConfigDescription defaultConfig = {};
+
+ ConfigDescription v21Config = {};
+ v21Config.sdkVersion = 21;
+
+ ConfigDescription sw600dpV13Config = {};
+ sw600dpV13Config.smallestScreenWidthDp = 600;
+ sw600dpV13Config.sdkVersion = 13;
+
+ configs->addEntry(defaultConfig, new ResourceTable::Entry(String16(), SourcePos()));
+ configs->addEntry(v21Config, new ResourceTable::Entry(String16(), SourcePos()));
+ configs->addEntry(sw600dpV13Config, new ResourceTable::Entry(String16(), SourcePos()));
+
+ EXPECT_TRUE(ResourceTable::shouldGenerateVersionedResource(configs, defaultConfig, 17));
+ EXPECT_FALSE(ResourceTable::shouldGenerateVersionedResource(configs, defaultConfig, 22));
+}