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/*
* 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 "androidfw/ConfigDescription.h"
#include "androidfw/Locale.h"
#include "androidfw/ResourceTypes.h"
#include "androidfw/StringPiece.h"
#include "androidfw/Util.h"
#include <string>
#include <vector>
namespace android {
static const char* kWildcardName = "any";
const ConfigDescription& ConfigDescription::DefaultConfig() {
static ConfigDescription config = {};
return config;
}
static bool parseMcc(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) out->mcc = 0;
return true;
}
const char* c = name;
if (tolower(*c) != 'm') return false;
c++;
if (tolower(*c) != 'c') return false;
c++;
if (tolower(*c) != 'c') return false;
c++;
const char* val = c;
while (*c >= '0' && *c <= '9') {
c++;
}
if (*c != 0) return false;
if (c - val != 3) return false;
int d = atoi(val);
if (d != 0) {
if (out) out->mcc = d;
return true;
}
return false;
}
static bool parseMnc(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) out->mnc = 0;
return true;
}
const char* c = name;
if (tolower(*c) != 'm') return false;
c++;
if (tolower(*c) != 'n') return false;
c++;
if (tolower(*c) != 'c') return false;
c++;
const char* val = c;
while (*c >= '0' && *c <= '9') {
c++;
}
if (*c != 0) return false;
if (c - val == 0 || c - val > 3) return false;
if (out) {
out->mnc = atoi(val);
if (out->mnc == 0) {
out->mnc = ACONFIGURATION_MNC_ZERO;
}
}
return true;
}
static bool parseLayoutDirection(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_LAYOUTDIR) |
ResTable_config::LAYOUTDIR_ANY;
return true;
} else if (strcmp(name, "ldltr") == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_LAYOUTDIR) |
ResTable_config::LAYOUTDIR_LTR;
return true;
} else if (strcmp(name, "ldrtl") == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_LAYOUTDIR) |
ResTable_config::LAYOUTDIR_RTL;
return true;
}
return false;
}
static bool parseScreenLayoutSize(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
ResTable_config::SCREENSIZE_ANY;
return true;
} else if (strcmp(name, "small") == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
ResTable_config::SCREENSIZE_SMALL;
return true;
} else if (strcmp(name, "normal") == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
ResTable_config::SCREENSIZE_NORMAL;
return true;
} else if (strcmp(name, "large") == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
ResTable_config::SCREENSIZE_LARGE;
return true;
} else if (strcmp(name, "xlarge") == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
ResTable_config::SCREENSIZE_XLARGE;
return true;
}
return false;
}
static bool parseScreenLayoutLong(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_SCREENLONG) |
ResTable_config::SCREENLONG_ANY;
return true;
} else if (strcmp(name, "long") == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_SCREENLONG) |
ResTable_config::SCREENLONG_YES;
return true;
} else if (strcmp(name, "notlong") == 0) {
if (out)
out->screenLayout =
(out->screenLayout & ~ResTable_config::MASK_SCREENLONG) |
ResTable_config::SCREENLONG_NO;
return true;
}
return false;
}
static bool parseScreenRound(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out)
out->screenLayout2 =
(out->screenLayout2 & ~ResTable_config::MASK_SCREENROUND) |
ResTable_config::SCREENROUND_ANY;
return true;
} else if (strcmp(name, "round") == 0) {
if (out)
out->screenLayout2 =
(out->screenLayout2 & ~ResTable_config::MASK_SCREENROUND) |
ResTable_config::SCREENROUND_YES;
return true;
} else if (strcmp(name, "notround") == 0) {
if (out)
out->screenLayout2 =
(out->screenLayout2 & ~ResTable_config::MASK_SCREENROUND) |
ResTable_config::SCREENROUND_NO;
return true;
}
return false;
}
static bool parseWideColorGamut(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out)
out->colorMode =
(out->colorMode & ~ResTable_config::MASK_WIDE_COLOR_GAMUT) |
ResTable_config::WIDE_COLOR_GAMUT_ANY;
return true;
} else if (strcmp(name, "widecg") == 0) {
if (out)
out->colorMode =
(out->colorMode & ~ResTable_config::MASK_WIDE_COLOR_GAMUT) |
ResTable_config::WIDE_COLOR_GAMUT_YES;
return true;
} else if (strcmp(name, "nowidecg") == 0) {
if (out)
out->colorMode =
(out->colorMode & ~ResTable_config::MASK_WIDE_COLOR_GAMUT) |
ResTable_config::WIDE_COLOR_GAMUT_NO;
return true;
}
return false;
}
static bool parseHdr(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out)
out->colorMode =
(out->colorMode & ~ResTable_config::MASK_HDR) |
ResTable_config::HDR_ANY;
return true;
} else if (strcmp(name, "highdr") == 0) {
if (out)
out->colorMode =
(out->colorMode & ~ResTable_config::MASK_HDR) |
ResTable_config::HDR_YES;
return true;
} else if (strcmp(name, "lowdr") == 0) {
if (out)
out->colorMode =
(out->colorMode & ~ResTable_config::MASK_HDR) |
ResTable_config::HDR_NO;
return true;
}
return false;
}
static bool parseOrientation(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) out->orientation = out->ORIENTATION_ANY;
return true;
} else if (strcmp(name, "port") == 0) {
if (out) out->orientation = out->ORIENTATION_PORT;
return true;
} else if (strcmp(name, "land") == 0) {
if (out) out->orientation = out->ORIENTATION_LAND;
return true;
} else if (strcmp(name, "square") == 0) {
if (out) out->orientation = out->ORIENTATION_SQUARE;
return true;
}
return false;
}
static bool parseUiModeType(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
ResTable_config::UI_MODE_TYPE_ANY;
return true;
} else if (strcmp(name, "desk") == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
ResTable_config::UI_MODE_TYPE_DESK;
return true;
} else if (strcmp(name, "car") == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
ResTable_config::UI_MODE_TYPE_CAR;
return true;
} else if (strcmp(name, "television") == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
ResTable_config::UI_MODE_TYPE_TELEVISION;
return true;
} else if (strcmp(name, "appliance") == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
ResTable_config::UI_MODE_TYPE_APPLIANCE;
return true;
} else if (strcmp(name, "watch") == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
ResTable_config::UI_MODE_TYPE_WATCH;
return true;
} else if (strcmp(name, "vrheadset") == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
ResTable_config::UI_MODE_TYPE_VR_HEADSET;
return true;
}
return false;
}
static bool parseUiModeNight(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_NIGHT) |
ResTable_config::UI_MODE_NIGHT_ANY;
return true;
} else if (strcmp(name, "night") == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_NIGHT) |
ResTable_config::UI_MODE_NIGHT_YES;
return true;
} else if (strcmp(name, "notnight") == 0) {
if (out)
out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_NIGHT) |
ResTable_config::UI_MODE_NIGHT_NO;
return true;
}
return false;
}
static bool parseDensity(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) out->density = ResTable_config::DENSITY_DEFAULT;
return true;
}
if (strcmp(name, "anydpi") == 0) {
if (out) out->density = ResTable_config::DENSITY_ANY;
return true;
}
if (strcmp(name, "nodpi") == 0) {
if (out) out->density = ResTable_config::DENSITY_NONE;
return true;
}
if (strcmp(name, "ldpi") == 0) {
if (out) out->density = ResTable_config::DENSITY_LOW;
return true;
}
if (strcmp(name, "mdpi") == 0) {
if (out) out->density = ResTable_config::DENSITY_MEDIUM;
return true;
}
if (strcmp(name, "tvdpi") == 0) {
if (out) out->density = ResTable_config::DENSITY_TV;
return true;
}
if (strcmp(name, "hdpi") == 0) {
if (out) out->density = ResTable_config::DENSITY_HIGH;
return true;
}
if (strcmp(name, "xhdpi") == 0) {
if (out) out->density = ResTable_config::DENSITY_XHIGH;
return true;
}
if (strcmp(name, "xxhdpi") == 0) {
if (out) out->density = ResTable_config::DENSITY_XXHIGH;
return true;
}
if (strcmp(name, "xxxhdpi") == 0) {
if (out) out->density = ResTable_config::DENSITY_XXXHIGH;
return true;
}
char* c = (char*)name;
while (*c >= '0' && *c <= '9') {
c++;
}
// check that we have 'dpi' after the last digit.
if (toupper(c[0]) != 'D' || toupper(c[1]) != 'P' || toupper(c[2]) != 'I' ||
c[3] != 0) {
return false;
}
// temporarily replace the first letter with \0 to
// use atoi.
char tmp = c[0];
c[0] = '\0';
int d = atoi(name);
c[0] = tmp;
if (d != 0) {
if (out) out->density = d;
return true;
}
return false;
}
static bool parseTouchscreen(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) out->touchscreen = out->TOUCHSCREEN_ANY;
return true;
} else if (strcmp(name, "notouch") == 0) {
if (out) out->touchscreen = out->TOUCHSCREEN_NOTOUCH;
return true;
} else if (strcmp(name, "stylus") == 0) {
if (out) out->touchscreen = out->TOUCHSCREEN_STYLUS;
return true;
} else if (strcmp(name, "finger") == 0) {
if (out) out->touchscreen = out->TOUCHSCREEN_FINGER;
return true;
}
return false;
}
static bool parseKeysHidden(const char* name, ResTable_config* out) {
uint8_t mask = 0;
uint8_t value = 0;
if (strcmp(name, kWildcardName) == 0) {
mask = ResTable_config::MASK_KEYSHIDDEN;
value = ResTable_config::KEYSHIDDEN_ANY;
} else if (strcmp(name, "keysexposed") == 0) {
mask = ResTable_config::MASK_KEYSHIDDEN;
value = ResTable_config::KEYSHIDDEN_NO;
} else if (strcmp(name, "keyshidden") == 0) {
mask = ResTable_config::MASK_KEYSHIDDEN;
value = ResTable_config::KEYSHIDDEN_YES;
} else if (strcmp(name, "keyssoft") == 0) {
mask = ResTable_config::MASK_KEYSHIDDEN;
value = ResTable_config::KEYSHIDDEN_SOFT;
}
if (mask != 0) {
if (out) out->inputFlags = (out->inputFlags & ~mask) | value;
return true;
}
return false;
}
static bool parseKeyboard(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) out->keyboard = out->KEYBOARD_ANY;
return true;
} else if (strcmp(name, "nokeys") == 0) {
if (out) out->keyboard = out->KEYBOARD_NOKEYS;
return true;
} else if (strcmp(name, "qwerty") == 0) {
if (out) out->keyboard = out->KEYBOARD_QWERTY;
return true;
} else if (strcmp(name, "12key") == 0) {
if (out) out->keyboard = out->KEYBOARD_12KEY;
return true;
}
return false;
}
static bool parseNavHidden(const char* name, ResTable_config* out) {
uint8_t mask = 0;
uint8_t value = 0;
if (strcmp(name, kWildcardName) == 0) {
mask = ResTable_config::MASK_NAVHIDDEN;
value = ResTable_config::NAVHIDDEN_ANY;
} else if (strcmp(name, "navexposed") == 0) {
mask = ResTable_config::MASK_NAVHIDDEN;
value = ResTable_config::NAVHIDDEN_NO;
} else if (strcmp(name, "navhidden") == 0) {
mask = ResTable_config::MASK_NAVHIDDEN;
value = ResTable_config::NAVHIDDEN_YES;
}
if (mask != 0) {
if (out) out->inputFlags = (out->inputFlags & ~mask) | value;
return true;
}
return false;
}
static bool parseNavigation(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) out->navigation = out->NAVIGATION_ANY;
return true;
} else if (strcmp(name, "nonav") == 0) {
if (out) out->navigation = out->NAVIGATION_NONAV;
return true;
} else if (strcmp(name, "dpad") == 0) {
if (out) out->navigation = out->NAVIGATION_DPAD;
return true;
} else if (strcmp(name, "trackball") == 0) {
if (out) out->navigation = out->NAVIGATION_TRACKBALL;
return true;
} else if (strcmp(name, "wheel") == 0) {
if (out) out->navigation = out->NAVIGATION_WHEEL;
return true;
}
return false;
}
static bool parseScreenSize(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) {
out->screenWidth = out->SCREENWIDTH_ANY;
out->screenHeight = out->SCREENHEIGHT_ANY;
}
return true;
}
const char* x = name;
while (*x >= '0' && *x <= '9') x++;
if (x == name || *x != 'x') return false;
std::string xName(name, x - name);
x++;
const char* y = x;
while (*y >= '0' && *y <= '9') y++;
if (y == name || *y != 0) return false;
std::string yName(x, y - x);
uint16_t w = (uint16_t)atoi(xName.c_str());
uint16_t h = (uint16_t)atoi(yName.c_str());
if (w < h) {
return false;
}
if (out) {
out->screenWidth = w;
out->screenHeight = h;
}
return true;
}
static bool parseSmallestScreenWidthDp(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) {
out->smallestScreenWidthDp = out->SCREENWIDTH_ANY;
}
return true;
}
if (*name != 's') return false;
name++;
if (*name != 'w') return false;
name++;
const char* x = name;
while (*x >= '0' && *x <= '9') x++;
if (x == name || x[0] != 'd' || x[1] != 'p' || x[2] != 0) return false;
std::string xName(name, x - name);
if (out) {
out->smallestScreenWidthDp = (uint16_t)atoi(xName.c_str());
}
return true;
}
static bool parseScreenWidthDp(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) {
out->screenWidthDp = out->SCREENWIDTH_ANY;
}
return true;
}
if (*name != 'w') return false;
name++;
const char* x = name;
while (*x >= '0' && *x <= '9') x++;
if (x == name || x[0] != 'd' || x[1] != 'p' || x[2] != 0) return false;
std::string xName(name, x - name);
if (out) {
out->screenWidthDp = (uint16_t)atoi(xName.c_str());
}
return true;
}
static bool parseScreenHeightDp(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) {
out->screenHeightDp = out->SCREENWIDTH_ANY;
}
return true;
}
if (*name != 'h') return false;
name++;
const char* x = name;
while (*x >= '0' && *x <= '9') x++;
if (x == name || x[0] != 'd' || x[1] != 'p' || x[2] != 0) return false;
std::string xName(name, x - name);
if (out) {
out->screenHeightDp = (uint16_t)atoi(xName.c_str());
}
return true;
}
static bool parseVersion(const char* name, ResTable_config* out) {
if (strcmp(name, kWildcardName) == 0) {
if (out) {
out->sdkVersion = out->SDKVERSION_ANY;
out->minorVersion = out->MINORVERSION_ANY;
}
return true;
}
if (*name != 'v') {
return false;
}
name++;
const char* s = name;
while (*s >= '0' && *s <= '9') s++;
if (s == name || *s != 0) return false;
std::string sdkName(name, s - name);
if (out) {
out->sdkVersion = (uint16_t)atoi(sdkName.c_str());
out->minorVersion = 0;
}
return true;
}
bool ConfigDescription::Parse(const StringPiece& str, ConfigDescription* out) {
std::vector<std::string> parts = util::SplitAndLowercase(str, '-');
ConfigDescription config;
ssize_t parts_consumed = 0;
LocaleValue locale;
const auto parts_end = parts.end();
auto part_iter = parts.begin();
if (str.size() == 0) {
goto success;
}
if (parseMcc(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseMnc(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
// Locale spans a few '-' separators, so we let it
// control the index.
parts_consumed = locale.InitFromParts(part_iter, parts_end);
if (parts_consumed < 0) {
return false;
} else {
locale.WriteTo(&config);
part_iter += parts_consumed;
if (part_iter == parts_end) {
goto success;
}
}
if (parseLayoutDirection(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseSmallestScreenWidthDp(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseScreenWidthDp(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseScreenHeightDp(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseScreenLayoutSize(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseScreenLayoutLong(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseScreenRound(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseWideColorGamut(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseHdr(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseOrientation(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseUiModeType(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseUiModeNight(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseDensity(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseTouchscreen(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseKeysHidden(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseKeyboard(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseNavHidden(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseNavigation(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseScreenSize(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
if (parseVersion(part_iter->c_str(), &config)) {
++part_iter;
if (part_iter == parts_end) {
goto success;
}
}
// Unrecognized.
return false;
success:
if (out != NULL) {
ApplyVersionForCompatibility(&config);
*out = config;
}
return true;
}
void ConfigDescription::ApplyVersionForCompatibility(
ConfigDescription* config) {
uint16_t min_sdk = 0;
if ((config->uiMode & ResTable_config::MASK_UI_MODE_TYPE)
== ResTable_config::UI_MODE_TYPE_VR_HEADSET ||
config->colorMode & ResTable_config::MASK_WIDE_COLOR_GAMUT ||
config->colorMode & ResTable_config::MASK_HDR) {
min_sdk = SDK_O;
} else if (config->screenLayout2 & ResTable_config::MASK_SCREENROUND) {
min_sdk = SDK_MARSHMALLOW;
} else if (config->density == ResTable_config::DENSITY_ANY) {
min_sdk = SDK_LOLLIPOP;
} else if (config->smallestScreenWidthDp !=
ResTable_config::SCREENWIDTH_ANY ||
config->screenWidthDp != ResTable_config::SCREENWIDTH_ANY ||
config->screenHeightDp != ResTable_config::SCREENHEIGHT_ANY) {
min_sdk = SDK_HONEYCOMB_MR2;
} else if ((config->uiMode & ResTable_config::MASK_UI_MODE_TYPE) !=
ResTable_config::UI_MODE_TYPE_ANY ||
(config->uiMode & ResTable_config::MASK_UI_MODE_NIGHT) !=
ResTable_config::UI_MODE_NIGHT_ANY) {
min_sdk = SDK_FROYO;
} else if ((config->screenLayout & ResTable_config::MASK_SCREENSIZE) !=
ResTable_config::SCREENSIZE_ANY ||
(config->screenLayout & ResTable_config::MASK_SCREENLONG) !=
ResTable_config::SCREENLONG_ANY ||
config->density != ResTable_config::DENSITY_DEFAULT) {
min_sdk = SDK_DONUT;
}
if (min_sdk > config->sdkVersion) {
config->sdkVersion = min_sdk;
}
}
ConfigDescription ConfigDescription::CopyWithoutSdkVersion() const {
ConfigDescription copy = *this;
copy.sdkVersion = 0;
return copy;
}
std::string ConfigDescription::GetBcp47LanguageTag(bool canonicalize) const {
char locale[RESTABLE_MAX_LOCALE_LEN];
getBcp47Locale(locale, canonicalize);
return std::string(locale);
}
std::string ConfigDescription::to_string() const {
const String8 str = toString();
return std::string(str.string(), str.size());
}
bool ConfigDescription::Dominates(const ConfigDescription& o) const {
if (*this == o) {
return true;
}
// Locale de-duping is not-trivial, disable for now (b/62409213).
if (diff(o) & CONFIG_LOCALE) {
return false;
}
if (*this == DefaultConfig()) {
return true;
}
return MatchWithDensity(o) && !o.MatchWithDensity(*this) &&
!isMoreSpecificThan(o) && !o.HasHigherPrecedenceThan(*this);
}
bool ConfigDescription::HasHigherPrecedenceThan(
const ConfigDescription& o) const {
// The order of the following tests defines the importance of one
// configuration parameter over another. Those tests first are more
// important, trumping any values in those following them.
// The ordering should be the same as ResTable_config#isBetterThan.
if (mcc || o.mcc) return (!o.mcc);
if (mnc || o.mnc) return (!o.mnc);
if (language[0] || o.language[0]) return (!o.language[0]);
if (country[0] || o.country[0]) return (!o.country[0]);
// Script and variant require either a language or country, both of which
// have higher precedence.
if ((screenLayout | o.screenLayout) & MASK_LAYOUTDIR) {
return !(o.screenLayout & MASK_LAYOUTDIR);
}
if (smallestScreenWidthDp || o.smallestScreenWidthDp)
return (!o.smallestScreenWidthDp);
if (screenWidthDp || o.screenWidthDp) return (!o.screenWidthDp);
if (screenHeightDp || o.screenHeightDp) return (!o.screenHeightDp);
if ((screenLayout | o.screenLayout) & MASK_SCREENSIZE) {
return !(o.screenLayout & MASK_SCREENSIZE);
}
if ((screenLayout | o.screenLayout) & MASK_SCREENLONG) {
return !(o.screenLayout & MASK_SCREENLONG);
}
if ((screenLayout2 | o.screenLayout2) & MASK_SCREENROUND) {
return !(o.screenLayout2 & MASK_SCREENROUND);
}
if ((colorMode | o.colorMode) & MASK_HDR) {
return !(o.colorMode & MASK_HDR);
}
if ((colorMode | o.colorMode) & MASK_WIDE_COLOR_GAMUT) {
return !(o.colorMode & MASK_WIDE_COLOR_GAMUT);
}
if (orientation || o.orientation) return (!o.orientation);
if ((uiMode | o.uiMode) & MASK_UI_MODE_TYPE) {
return !(o.uiMode & MASK_UI_MODE_TYPE);
}
if ((uiMode | o.uiMode) & MASK_UI_MODE_NIGHT) {
return !(o.uiMode & MASK_UI_MODE_NIGHT);
}
if (density || o.density) return (!o.density);
if (touchscreen || o.touchscreen) return (!o.touchscreen);
if ((inputFlags | o.inputFlags) & MASK_KEYSHIDDEN) {
return !(o.inputFlags & MASK_KEYSHIDDEN);
}
if ((inputFlags | o.inputFlags) & MASK_NAVHIDDEN) {
return !(o.inputFlags & MASK_NAVHIDDEN);
}
if (keyboard || o.keyboard) return (!o.keyboard);
if (navigation || o.navigation) return (!o.navigation);
if (screenWidth || o.screenWidth) return (!o.screenWidth);
if (screenHeight || o.screenHeight) return (!o.screenHeight);
if (sdkVersion || o.sdkVersion) return (!o.sdkVersion);
if (minorVersion || o.minorVersion) return (!o.minorVersion);
// Both configurations have nothing defined except some possible future
// value. Returning the comparison of the two configurations is a
// "best effort" at this point to protect against incorrect dominations.
return *this != o;
}
bool ConfigDescription::ConflictsWith(const ConfigDescription& o) const {
// This method should be updated as new configuration parameters are
// introduced (e.g. screenConfig2).
auto pred = [](const uint32_t a, const uint32_t b) -> bool {
return a == 0 || b == 0 || a == b;
};
// The values here can be found in ResTable_config#match. Density and range
// values can't lead to conflicts, and are ignored.
return !pred(mcc, o.mcc) || !pred(mnc, o.mnc) || !pred(locale, o.locale) ||
!pred(screenLayout & MASK_LAYOUTDIR,
o.screenLayout & MASK_LAYOUTDIR) ||
!pred(screenLayout & MASK_SCREENLONG,
o.screenLayout & MASK_SCREENLONG) ||
!pred(uiMode & MASK_UI_MODE_TYPE, o.uiMode & MASK_UI_MODE_TYPE) ||
!pred(uiMode & MASK_UI_MODE_NIGHT, o.uiMode & MASK_UI_MODE_NIGHT) ||
!pred(screenLayout2 & MASK_SCREENROUND,
o.screenLayout2 & MASK_SCREENROUND) ||
!pred(colorMode & MASK_HDR, o.colorMode & MASK_HDR) ||
!pred(colorMode & MASK_WIDE_COLOR_GAMUT,
o.colorMode & MASK_WIDE_COLOR_GAMUT) ||
!pred(orientation, o.orientation) ||
!pred(touchscreen, o.touchscreen) ||
!pred(inputFlags & MASK_KEYSHIDDEN, o.inputFlags & MASK_KEYSHIDDEN) ||
!pred(inputFlags & MASK_NAVHIDDEN, o.inputFlags & MASK_NAVHIDDEN) ||
!pred(keyboard, o.keyboard) || !pred(navigation, o.navigation);
}
bool ConfigDescription::IsCompatibleWith(const ConfigDescription& o) const {
return !ConflictsWith(o) && !Dominates(o) && !o.Dominates(*this);
}
} // namespace android