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-rw-r--r--libs/input/KeyCharacterMap.cpp141
1 files changed, 113 insertions, 28 deletions
diff --git a/libs/input/KeyCharacterMap.cpp b/libs/input/KeyCharacterMap.cpp
index 44f3f34994..2039fa6553 100644
--- a/libs/input/KeyCharacterMap.cpp
+++ b/libs/input/KeyCharacterMap.cpp
@@ -28,10 +28,11 @@
#include <input/KeyCharacterMap.h>
#include <input/Keyboard.h>
-#include <utils/Log.h>
+#include <gui/constants.h>
#include <utils/Errors.h>
-#include <utils/Tokenizer.h>
+#include <utils/Log.h>
#include <utils/Timers.h>
+#include <utils/Tokenizer.h>
// Enables debug output for the parser.
#define DEBUG_PARSER 0
@@ -85,10 +86,13 @@ static String8 toString(const char16_t* chars, size_t numChars) {
// --- KeyCharacterMap ---
-KeyCharacterMap::KeyCharacterMap() : mType(KeyboardType::UNKNOWN) {}
+KeyCharacterMap::KeyCharacterMap(const std::string& filename)
+ : mType(KeyboardType::UNKNOWN), mLoadFileName(filename) {}
KeyCharacterMap::KeyCharacterMap(const KeyCharacterMap& other)
: mType(other.mType),
+ mLoadFileName(other.mLoadFileName),
+ mLayoutOverlayApplied(other.mLayoutOverlayApplied),
mKeysByScanCode(other.mKeysByScanCode),
mKeysByUsageCode(other.mKeysByUsageCode) {
for (size_t i = 0; i < other.mKeys.size(); i++) {
@@ -97,16 +101,19 @@ KeyCharacterMap::KeyCharacterMap(const KeyCharacterMap& other)
}
KeyCharacterMap::~KeyCharacterMap() {
- for (size_t i = 0; i < mKeys.size(); i++) {
- Key* key = mKeys.editValueAt(i);
- delete key;
- }
+ clear();
}
bool KeyCharacterMap::operator==(const KeyCharacterMap& other) const {
if (mType != other.mType) {
return false;
}
+ if (mLoadFileName != other.mLoadFileName) {
+ return false;
+ }
+ if (mLayoutOverlayApplied != other.mLayoutOverlayApplied) {
+ return false;
+ }
if (mKeys.size() != other.mKeys.size() ||
mKeysByScanCode.size() != other.mKeysByScanCode.size() ||
mKeysByUsageCode.size() != other.mKeysByUsageCode.size()) {
@@ -145,6 +152,10 @@ bool KeyCharacterMap::operator==(const KeyCharacterMap& other) const {
return true;
}
+bool KeyCharacterMap::operator!=(const KeyCharacterMap& other) const {
+ return !(*this == other);
+}
+
base::Result<std::shared_ptr<KeyCharacterMap>> KeyCharacterMap::load(const std::string& filename,
Format format) {
Tokenizer* tokenizer;
@@ -152,12 +163,18 @@ base::Result<std::shared_ptr<KeyCharacterMap>> KeyCharacterMap::load(const std::
if (status) {
return Errorf("Error {} opening key character map file {}.", status, filename.c_str());
}
+ std::shared_ptr<KeyCharacterMap> map =
+ std::shared_ptr<KeyCharacterMap>(new KeyCharacterMap(filename));
+ if (!map.get()) {
+ ALOGE("Error allocating key character map.");
+ return Errorf("Error allocating key character map.");
+ }
std::unique_ptr<Tokenizer> t(tokenizer);
- auto ret = load(t.get(), format);
- if (ret.ok()) {
- (*ret)->mLoadFileName = filename;
+ status = map->load(t.get(), format);
+ if (status == OK) {
+ return map;
}
- return ret;
+ return Errorf("Load KeyCharacterMap failed {}.", status);
}
base::Result<std::shared_ptr<KeyCharacterMap>> KeyCharacterMap::loadContents(
@@ -168,40 +185,67 @@ base::Result<std::shared_ptr<KeyCharacterMap>> KeyCharacterMap::loadContents(
ALOGE("Error %d opening key character map.", status);
return Errorf("Error {} opening key character map.", status);
}
+ std::shared_ptr<KeyCharacterMap> map =
+ std::shared_ptr<KeyCharacterMap>(new KeyCharacterMap(filename));
+ if (!map.get()) {
+ ALOGE("Error allocating key character map.");
+ return Errorf("Error allocating key character map.");
+ }
std::unique_ptr<Tokenizer> t(tokenizer);
- auto ret = load(t.get(), format);
- if (ret.ok()) {
- (*ret)->mLoadFileName = filename;
+ status = map->load(t.get(), format);
+ if (status == OK) {
+ return map;
}
- return ret;
+ return Errorf("Load KeyCharacterMap failed {}.", status);
}
-base::Result<std::shared_ptr<KeyCharacterMap>> KeyCharacterMap::load(Tokenizer* tokenizer,
- Format format) {
+status_t KeyCharacterMap::load(Tokenizer* tokenizer, Format format) {
status_t status = OK;
- std::shared_ptr<KeyCharacterMap> map = std::shared_ptr<KeyCharacterMap>(new KeyCharacterMap());
- if (!map.get()) {
- ALOGE("Error allocating key character map.");
- return Errorf("Error allocating key character map.");
- }
#if DEBUG_PARSER_PERFORMANCE
nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
#endif
- Parser parser(map.get(), tokenizer, format);
+ Parser parser(this, tokenizer, format);
status = parser.parse();
#if DEBUG_PARSER_PERFORMANCE
nsecs_t elapsedTime = systemTime(SYSTEM_TIME_MONOTONIC) - startTime;
ALOGD("Parsed key character map file '%s' %d lines in %0.3fms.",
tokenizer->getFilename().string(), tokenizer->getLineNumber(), elapsedTime / 1000000.0);
#endif
- if (status == OK) {
- return map;
+ if (status != OK) {
+ ALOGE("Loading KeyCharacterMap failed with status %s", statusToString(status).c_str());
}
+ return status;
+}
- return Errorf("Load KeyCharacterMap failed {}.", status);
+void KeyCharacterMap::clear() {
+ mKeysByScanCode.clear();
+ mKeysByUsageCode.clear();
+ for (size_t i = 0; i < mKeys.size(); i++) {
+ Key* key = mKeys.editValueAt(i);
+ delete key;
+ }
+ mKeys.clear();
+ mLayoutOverlayApplied = false;
+ mType = KeyboardType::UNKNOWN;
+}
+
+status_t KeyCharacterMap::reloadBaseFromFile() {
+ clear();
+ Tokenizer* tokenizer;
+ status_t status = Tokenizer::open(String8(mLoadFileName.c_str()), &tokenizer);
+ if (status) {
+ ALOGE("Error %s opening key character map file %s.", statusToString(status).c_str(),
+ mLoadFileName.c_str());
+ return status;
+ }
+ std::unique_ptr<Tokenizer> t(tokenizer);
+ return load(t.get(), KeyCharacterMap::Format::BASE);
}
void KeyCharacterMap::combine(const KeyCharacterMap& overlay) {
+ if (mLayoutOverlayApplied) {
+ reloadBaseFromFile();
+ }
for (size_t i = 0; i < overlay.mKeys.size(); i++) {
int32_t keyCode = overlay.mKeys.keyAt(i);
Key* key = overlay.mKeys.valueAt(i);
@@ -223,7 +267,7 @@ void KeyCharacterMap::combine(const KeyCharacterMap& overlay) {
mKeysByUsageCode.replaceValueFor(overlay.mKeysByUsageCode.keyAt(i),
overlay.mKeysByUsageCode.valueAt(i));
}
- mLoadFileName = overlay.mLoadFileName;
+ mLayoutOverlayApplied = true;
}
KeyCharacterMap::KeyboardType KeyCharacterMap::getKeyboardType() const {
@@ -635,8 +679,11 @@ std::shared_ptr<KeyCharacterMap> KeyCharacterMap::readFromParcel(Parcel* parcel)
ALOGE("%s: Null parcel", __func__);
return nullptr;
}
- std::shared_ptr<KeyCharacterMap> map = std::shared_ptr<KeyCharacterMap>(new KeyCharacterMap());
+ std::string loadFileName = parcel->readCString();
+ std::shared_ptr<KeyCharacterMap> map =
+ std::shared_ptr<KeyCharacterMap>(new KeyCharacterMap(loadFileName));
map->mType = static_cast<KeyCharacterMap::KeyboardType>(parcel->readInt32());
+ map->mLayoutOverlayApplied = parcel->readBool();
size_t numKeys = parcel->readInt32();
if (parcel->errorCheck()) {
return nullptr;
@@ -686,6 +733,30 @@ std::shared_ptr<KeyCharacterMap> KeyCharacterMap::readFromParcel(Parcel* parcel)
return nullptr;
}
}
+ size_t numKeysByScanCode = parcel->readInt32();
+ if (parcel->errorCheck()) {
+ return nullptr;
+ }
+ for (size_t i = 0; i < numKeysByScanCode; i++) {
+ int32_t key = parcel->readInt32();
+ int32_t value = parcel->readInt32();
+ map->mKeysByScanCode.add(key, value);
+ if (parcel->errorCheck()) {
+ return nullptr;
+ }
+ }
+ size_t numKeysByUsageCode = parcel->readInt32();
+ if (parcel->errorCheck()) {
+ return nullptr;
+ }
+ for (size_t i = 0; i < numKeysByUsageCode; i++) {
+ int32_t key = parcel->readInt32();
+ int32_t value = parcel->readInt32();
+ map->mKeysByUsageCode.add(key, value);
+ if (parcel->errorCheck()) {
+ return nullptr;
+ }
+ }
return map;
}
@@ -694,7 +765,9 @@ void KeyCharacterMap::writeToParcel(Parcel* parcel) const {
ALOGE("%s: Null parcel", __func__);
return;
}
+ parcel->writeCString(mLoadFileName.c_str());
parcel->writeInt32(static_cast<int32_t>(mType));
+ parcel->writeBool(mLayoutOverlayApplied);
size_t numKeys = mKeys.size();
parcel->writeInt32(numKeys);
@@ -714,6 +787,18 @@ void KeyCharacterMap::writeToParcel(Parcel* parcel) const {
}
parcel->writeInt32(0);
}
+ size_t numKeysByScanCode = mKeysByScanCode.size();
+ parcel->writeInt32(numKeysByScanCode);
+ for (size_t i = 0; i < numKeysByScanCode; i++) {
+ parcel->writeInt32(mKeysByScanCode.keyAt(i));
+ parcel->writeInt32(mKeysByScanCode.valueAt(i));
+ }
+ size_t numKeysByUsageCode = mKeysByUsageCode.size();
+ parcel->writeInt32(numKeysByUsageCode);
+ for (size_t i = 0; i < numKeysByUsageCode; i++) {
+ parcel->writeInt32(mKeysByUsageCode.keyAt(i));
+ parcel->writeInt32(mKeysByUsageCode.valueAt(i));
+ }
}
#endif // __linux__
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 07:57:10 +0000