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authorwolfbeast <mcwerewolf@gmail.com>2018-05-12 11:09:44 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-05-12 11:09:44 +0200
commitcfe5ef4ac7cd59f094b538252161ad74223c47da (patch)
treee5c0ee7e70db84bd2bfc6062784006769e9df730 /widget/gonk/libui/KeyCharacterMap.cpp
parent28cf922aa9af4d4b8e0a3ce91dc1270a55986909 (diff)
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Remove Gonk build directories
Diffstat (limited to 'widget/gonk/libui/KeyCharacterMap.cpp')
-rw-r--r--widget/gonk/libui/KeyCharacterMap.cpp1153
1 files changed, 0 insertions, 1153 deletions
diff --git a/widget/gonk/libui/KeyCharacterMap.cpp b/widget/gonk/libui/KeyCharacterMap.cpp
deleted file mode 100644
index cec0666ce..000000000
--- a/widget/gonk/libui/KeyCharacterMap.cpp
+++ /dev/null
@@ -1,1153 +0,0 @@
-/*
- * Copyright (C) 2008 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.
- */
-
-#define LOG_TAG "KeyCharacterMap"
-#include "cutils_log.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include "android_keycodes.h"
-#include "Keyboard.h"
-#include "KeyCharacterMap.h"
-
-#if HAVE_ANDROID_OS
-#include <binder/Parcel.h>
-#endif
-
-#include <utils/Errors.h>
-#include "Tokenizer.h"
-#include <utils/Timers.h>
-
-// Enables debug output for the parser.
-#define DEBUG_PARSER 0
-
-// Enables debug output for parser performance.
-#define DEBUG_PARSER_PERFORMANCE 0
-
-// Enables debug output for mapping.
-#define DEBUG_MAPPING 0
-
-
-namespace android {
-
-static const char* WHITESPACE = " \t\r";
-static const char* WHITESPACE_OR_PROPERTY_DELIMITER = " \t\r,:";
-
-struct Modifier {
- const char* label;
- int32_t metaState;
-};
-static const Modifier modifiers[] = {
- { "shift", AMETA_SHIFT_ON },
- { "lshift", AMETA_SHIFT_LEFT_ON },
- { "rshift", AMETA_SHIFT_RIGHT_ON },
- { "alt", AMETA_ALT_ON },
- { "lalt", AMETA_ALT_LEFT_ON },
- { "ralt", AMETA_ALT_RIGHT_ON },
- { "ctrl", AMETA_CTRL_ON },
- { "lctrl", AMETA_CTRL_LEFT_ON },
- { "rctrl", AMETA_CTRL_RIGHT_ON },
- { "meta", AMETA_META_ON },
- { "lmeta", AMETA_META_LEFT_ON },
- { "rmeta", AMETA_META_RIGHT_ON },
- { "sym", AMETA_SYM_ON },
- { "fn", AMETA_FUNCTION_ON },
- { "capslock", AMETA_CAPS_LOCK_ON },
- { "numlock", AMETA_NUM_LOCK_ON },
- { "scrolllock", AMETA_SCROLL_LOCK_ON },
-};
-
-#if DEBUG_MAPPING
-static String8 toString(const char16_t* chars, size_t numChars) {
- String8 result;
- for (size_t i = 0; i < numChars; i++) {
- result.appendFormat(i == 0 ? "%d" : ", %d", chars[i]);
- }
- return result;
-}
-#endif
-
-
-// --- KeyCharacterMap ---
-
-sp<KeyCharacterMap> KeyCharacterMap::sEmpty = new KeyCharacterMap();
-
-KeyCharacterMap::KeyCharacterMap() :
- mType(KEYBOARD_TYPE_UNKNOWN) {
-}
-
-KeyCharacterMap::KeyCharacterMap(const KeyCharacterMap& other) :
- RefBase(), mType(other.mType), mKeysByScanCode(other.mKeysByScanCode),
- mKeysByUsageCode(other.mKeysByUsageCode) {
- for (size_t i = 0; i < other.mKeys.size(); i++) {
- mKeys.add(other.mKeys.keyAt(i), new Key(*other.mKeys.valueAt(i)));
- }
-}
-
-KeyCharacterMap::~KeyCharacterMap() {
- for (size_t i = 0; i < mKeys.size(); i++) {
- Key* key = mKeys.editValueAt(i);
- delete key;
- }
-}
-
-status_t KeyCharacterMap::load(const String8& filename,
- Format format, sp<KeyCharacterMap>* outMap) {
- outMap->clear();
-
- Tokenizer* tokenizer;
- status_t status = Tokenizer::open(filename, &tokenizer);
- if (status) {
- ALOGE("Error %d opening key character map file %s.", status, filename.string());
- } else {
- status = load(tokenizer, format, outMap);
- delete tokenizer;
- }
- return status;
-}
-
-status_t KeyCharacterMap::loadContents(const String8& filename, const char* contents,
- Format format, sp<KeyCharacterMap>* outMap) {
- outMap->clear();
-
- Tokenizer* tokenizer;
- status_t status = Tokenizer::fromContents(filename, contents, &tokenizer);
- if (status) {
- ALOGE("Error %d opening key character map.", status);
- } else {
- status = load(tokenizer, format, outMap);
- delete tokenizer;
- }
- return status;
-}
-
-status_t KeyCharacterMap::load(Tokenizer* tokenizer,
- Format format, sp<KeyCharacterMap>* outMap) {
- status_t status = OK;
- sp<KeyCharacterMap> map = new KeyCharacterMap();
- if (!map.get()) {
- ALOGE("Error allocating key character map.");
- status = NO_MEMORY;
- } else {
-#if DEBUG_PARSER_PERFORMANCE
- nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
-#endif
- Parser parser(map.get(), 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) {
- *outMap = map;
- }
- }
- return status;
-}
-
-sp<KeyCharacterMap> KeyCharacterMap::combine(const sp<KeyCharacterMap>& base,
- const sp<KeyCharacterMap>& overlay) {
- if (overlay == NULL) {
- return base;
- }
- if (base == NULL) {
- return overlay;
- }
-
- sp<KeyCharacterMap> map = new KeyCharacterMap(*base.get());
- for (size_t i = 0; i < overlay->mKeys.size(); i++) {
- int32_t keyCode = overlay->mKeys.keyAt(i);
- Key* key = overlay->mKeys.valueAt(i);
- ssize_t oldIndex = map->mKeys.indexOfKey(keyCode);
- if (oldIndex >= 0) {
- delete map->mKeys.valueAt(oldIndex);
- map->mKeys.editValueAt(oldIndex) = new Key(*key);
- } else {
- map->mKeys.add(keyCode, new Key(*key));
- }
- }
-
- for (size_t i = 0; i < overlay->mKeysByScanCode.size(); i++) {
- map->mKeysByScanCode.replaceValueFor(overlay->mKeysByScanCode.keyAt(i),
- overlay->mKeysByScanCode.valueAt(i));
- }
-
- for (size_t i = 0; i < overlay->mKeysByUsageCode.size(); i++) {
- map->mKeysByUsageCode.replaceValueFor(overlay->mKeysByUsageCode.keyAt(i),
- overlay->mKeysByUsageCode.valueAt(i));
- }
- return map;
-}
-
-sp<KeyCharacterMap> KeyCharacterMap::empty() {
- return sEmpty;
-}
-
-int32_t KeyCharacterMap::getKeyboardType() const {
- return mType;
-}
-
-char16_t KeyCharacterMap::getDisplayLabel(int32_t keyCode) const {
- char16_t result = 0;
- const Key* key;
- if (getKey(keyCode, &key)) {
- result = key->label;
- }
-#if DEBUG_MAPPING
- ALOGD("getDisplayLabel: keyCode=%d ~ Result %d.", keyCode, result);
-#endif
- return result;
-}
-
-char16_t KeyCharacterMap::getNumber(int32_t keyCode) const {
- char16_t result = 0;
- const Key* key;
- if (getKey(keyCode, &key)) {
- result = key->number;
- }
-#if DEBUG_MAPPING
- ALOGD("getNumber: keyCode=%d ~ Result %d.", keyCode, result);
-#endif
- return result;
-}
-
-char16_t KeyCharacterMap::getCharacter(int32_t keyCode, int32_t metaState) const {
- char16_t result = 0;
- const Key* key;
- const Behavior* behavior;
- if (getKeyBehavior(keyCode, metaState, &key, &behavior)) {
- result = behavior->character;
- }
-#if DEBUG_MAPPING
- ALOGD("getCharacter: keyCode=%d, metaState=0x%08x ~ Result %d.", keyCode, metaState, result);
-#endif
- return result;
-}
-
-bool KeyCharacterMap::getFallbackAction(int32_t keyCode, int32_t metaState,
- FallbackAction* outFallbackAction) const {
- outFallbackAction->keyCode = 0;
- outFallbackAction->metaState = 0;
-
- bool result = false;
- const Key* key;
- const Behavior* behavior;
- if (getKeyBehavior(keyCode, metaState, &key, &behavior)) {
- if (behavior->fallbackKeyCode) {
- outFallbackAction->keyCode = behavior->fallbackKeyCode;
- outFallbackAction->metaState = metaState & ~behavior->metaState;
- result = true;
- }
- }
-#if DEBUG_MAPPING
- ALOGD("getFallbackKeyCode: keyCode=%d, metaState=0x%08x ~ Result %s, "
- "fallback keyCode=%d, fallback metaState=0x%08x.",
- keyCode, metaState, result ? "true" : "false",
- outFallbackAction->keyCode, outFallbackAction->metaState);
-#endif
- return result;
-}
-
-char16_t KeyCharacterMap::getMatch(int32_t keyCode, const char16_t* chars, size_t numChars,
- int32_t metaState) const {
- char16_t result = 0;
- const Key* key;
- if (getKey(keyCode, &key)) {
- // Try to find the most general behavior that maps to this character.
- // For example, the base key behavior will usually be last in the list.
- // However, if we find a perfect meta state match for one behavior then use that one.
- for (const Behavior* behavior = key->firstBehavior; behavior; behavior = behavior->next) {
- if (behavior->character) {
- for (size_t i = 0; i < numChars; i++) {
- if (behavior->character == chars[i]) {
- result = behavior->character;
- if ((behavior->metaState & metaState) == behavior->metaState) {
- goto ExactMatch;
- }
- break;
- }
- }
- }
- }
- ExactMatch: ;
- }
-#if DEBUG_MAPPING
- ALOGD("getMatch: keyCode=%d, chars=[%s], metaState=0x%08x ~ Result %d.",
- keyCode, toString(chars, numChars).string(), metaState, result);
-#endif
- return result;
-}
-
-bool KeyCharacterMap::getEvents(int32_t deviceId, const char16_t* chars, size_t numChars,
- Vector<KeyEvent>& outEvents) const {
- nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
-
- for (size_t i = 0; i < numChars; i++) {
- int32_t keyCode, metaState;
- char16_t ch = chars[i];
- if (!findKey(ch, &keyCode, &metaState)) {
-#if DEBUG_MAPPING
- ALOGD("getEvents: deviceId=%d, chars=[%s] ~ Failed to find mapping for character %d.",
- deviceId, toString(chars, numChars).string(), ch);
-#endif
- return false;
- }
-
- int32_t currentMetaState = 0;
- addMetaKeys(outEvents, deviceId, metaState, true, now, &currentMetaState);
- addKey(outEvents, deviceId, keyCode, currentMetaState, true, now);
- addKey(outEvents, deviceId, keyCode, currentMetaState, false, now);
- addMetaKeys(outEvents, deviceId, metaState, false, now, &currentMetaState);
- }
-#if DEBUG_MAPPING
- ALOGD("getEvents: deviceId=%d, chars=[%s] ~ Generated %d events.",
- deviceId, toString(chars, numChars).string(), int32_t(outEvents.size()));
- for (size_t i = 0; i < outEvents.size(); i++) {
- ALOGD(" Key: keyCode=%d, metaState=0x%08x, %s.",
- outEvents[i].getKeyCode(), outEvents[i].getMetaState(),
- outEvents[i].getAction() == AKEY_EVENT_ACTION_DOWN ? "down" : "up");
- }
-#endif
- return true;
-}
-
-status_t KeyCharacterMap::mapKey(int32_t scanCode, int32_t usageCode, int32_t* outKeyCode) const {
- if (usageCode) {
- ssize_t index = mKeysByUsageCode.indexOfKey(usageCode);
- if (index >= 0) {
-#if DEBUG_MAPPING
- ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
- scanCode, usageCode, *outKeyCode);
-#endif
- *outKeyCode = mKeysByUsageCode.valueAt(index);
- return OK;
- }
- }
- if (scanCode) {
- ssize_t index = mKeysByScanCode.indexOfKey(scanCode);
- if (index >= 0) {
-#if DEBUG_MAPPING
- ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
- scanCode, usageCode, *outKeyCode);
-#endif
- *outKeyCode = mKeysByScanCode.valueAt(index);
- return OK;
- }
- }
-
-#if DEBUG_MAPPING
- ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Failed.", scanCode, usageCode);
-#endif
- *outKeyCode = AKEYCODE_UNKNOWN;
- return NAME_NOT_FOUND;
-}
-
-bool KeyCharacterMap::getKey(int32_t keyCode, const Key** outKey) const {
- ssize_t index = mKeys.indexOfKey(keyCode);
- if (index >= 0) {
- *outKey = mKeys.valueAt(index);
- return true;
- }
- return false;
-}
-
-bool KeyCharacterMap::getKeyBehavior(int32_t keyCode, int32_t metaState,
- const Key** outKey, const Behavior** outBehavior) const {
- const Key* key;
- if (getKey(keyCode, &key)) {
- const Behavior* behavior = key->firstBehavior;
- while (behavior) {
- if (matchesMetaState(metaState, behavior->metaState)) {
- *outKey = key;
- *outBehavior = behavior;
- return true;
- }
- behavior = behavior->next;
- }
- }
- return false;
-}
-
-bool KeyCharacterMap::matchesMetaState(int32_t eventMetaState, int32_t behaviorMetaState) {
- // Behavior must have at least the set of meta states specified.
- // And if the key event has CTRL, ALT or META then the behavior must exactly
- // match those, taking into account that a behavior can specify that it handles
- // one, both or either of a left/right modifier pair.
- if ((eventMetaState & behaviorMetaState) == behaviorMetaState) {
- const int32_t EXACT_META_STATES =
- AMETA_CTRL_ON | AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON
- | AMETA_ALT_ON | AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON
- | AMETA_META_ON | AMETA_META_LEFT_ON | AMETA_META_RIGHT_ON;
- int32_t unmatchedMetaState = eventMetaState & ~behaviorMetaState & EXACT_META_STATES;
- if (behaviorMetaState & AMETA_CTRL_ON) {
- unmatchedMetaState &= ~(AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON);
- } else if (behaviorMetaState & (AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON)) {
- unmatchedMetaState &= ~AMETA_CTRL_ON;
- }
- if (behaviorMetaState & AMETA_ALT_ON) {
- unmatchedMetaState &= ~(AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON);
- } else if (behaviorMetaState & (AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
- unmatchedMetaState &= ~AMETA_ALT_ON;
- }
- if (behaviorMetaState & AMETA_META_ON) {
- unmatchedMetaState &= ~(AMETA_META_LEFT_ON | AMETA_META_RIGHT_ON);
- } else if (behaviorMetaState & (AMETA_META_LEFT_ON | AMETA_META_RIGHT_ON)) {
- unmatchedMetaState &= ~AMETA_META_ON;
- }
- return !unmatchedMetaState;
- }
- return false;
-}
-
-bool KeyCharacterMap::findKey(char16_t ch, int32_t* outKeyCode, int32_t* outMetaState) const {
- if (!ch) {
- return false;
- }
-
- for (size_t i = 0; i < mKeys.size(); i++) {
- const Key* key = mKeys.valueAt(i);
-
- // Try to find the most general behavior that maps to this character.
- // For example, the base key behavior will usually be last in the list.
- const Behavior* found = NULL;
- for (const Behavior* behavior = key->firstBehavior; behavior; behavior = behavior->next) {
- if (behavior->character == ch) {
- found = behavior;
- }
- }
- if (found) {
- *outKeyCode = mKeys.keyAt(i);
- *outMetaState = found->metaState;
- return true;
- }
- }
- return false;
-}
-
-void KeyCharacterMap::addKey(Vector<KeyEvent>& outEvents,
- int32_t deviceId, int32_t keyCode, int32_t metaState, bool down, nsecs_t time) {
- outEvents.push();
- KeyEvent& event = outEvents.editTop();
- event.initialize(deviceId, AINPUT_SOURCE_KEYBOARD,
- down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
- 0, keyCode, 0, metaState, 0, time, time);
-}
-
-void KeyCharacterMap::addMetaKeys(Vector<KeyEvent>& outEvents,
- int32_t deviceId, int32_t metaState, bool down, nsecs_t time,
- int32_t* currentMetaState) {
- // Add and remove meta keys symmetrically.
- if (down) {
- addLockedMetaKey(outEvents, deviceId, metaState, time,
- AKEYCODE_CAPS_LOCK, AMETA_CAPS_LOCK_ON, currentMetaState);
- addLockedMetaKey(outEvents, deviceId, metaState, time,
- AKEYCODE_NUM_LOCK, AMETA_NUM_LOCK_ON, currentMetaState);
- addLockedMetaKey(outEvents, deviceId, metaState, time,
- AKEYCODE_SCROLL_LOCK, AMETA_SCROLL_LOCK_ON, currentMetaState);
-
- addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
- AKEYCODE_SHIFT_LEFT, AMETA_SHIFT_LEFT_ON,
- AKEYCODE_SHIFT_RIGHT, AMETA_SHIFT_RIGHT_ON,
- AMETA_SHIFT_ON, currentMetaState);
- addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
- AKEYCODE_ALT_LEFT, AMETA_ALT_LEFT_ON,
- AKEYCODE_ALT_RIGHT, AMETA_ALT_RIGHT_ON,
- AMETA_ALT_ON, currentMetaState);
- addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
- AKEYCODE_CTRL_LEFT, AMETA_CTRL_LEFT_ON,
- AKEYCODE_CTRL_RIGHT, AMETA_CTRL_RIGHT_ON,
- AMETA_CTRL_ON, currentMetaState);
- addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
- AKEYCODE_META_LEFT, AMETA_META_LEFT_ON,
- AKEYCODE_META_RIGHT, AMETA_META_RIGHT_ON,
- AMETA_META_ON, currentMetaState);
-
- addSingleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
- AKEYCODE_SYM, AMETA_SYM_ON, currentMetaState);
- addSingleEphemeralMetaKey(outEvents, deviceId, metaState, true, time,
- AKEYCODE_FUNCTION, AMETA_FUNCTION_ON, currentMetaState);
- } else {
- addSingleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
- AKEYCODE_FUNCTION, AMETA_FUNCTION_ON, currentMetaState);
- addSingleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
- AKEYCODE_SYM, AMETA_SYM_ON, currentMetaState);
-
- addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
- AKEYCODE_META_LEFT, AMETA_META_LEFT_ON,
- AKEYCODE_META_RIGHT, AMETA_META_RIGHT_ON,
- AMETA_META_ON, currentMetaState);
- addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
- AKEYCODE_CTRL_LEFT, AMETA_CTRL_LEFT_ON,
- AKEYCODE_CTRL_RIGHT, AMETA_CTRL_RIGHT_ON,
- AMETA_CTRL_ON, currentMetaState);
- addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
- AKEYCODE_ALT_LEFT, AMETA_ALT_LEFT_ON,
- AKEYCODE_ALT_RIGHT, AMETA_ALT_RIGHT_ON,
- AMETA_ALT_ON, currentMetaState);
- addDoubleEphemeralMetaKey(outEvents, deviceId, metaState, false, time,
- AKEYCODE_SHIFT_LEFT, AMETA_SHIFT_LEFT_ON,
- AKEYCODE_SHIFT_RIGHT, AMETA_SHIFT_RIGHT_ON,
- AMETA_SHIFT_ON, currentMetaState);
-
- addLockedMetaKey(outEvents, deviceId, metaState, time,
- AKEYCODE_SCROLL_LOCK, AMETA_SCROLL_LOCK_ON, currentMetaState);
- addLockedMetaKey(outEvents, deviceId, metaState, time,
- AKEYCODE_NUM_LOCK, AMETA_NUM_LOCK_ON, currentMetaState);
- addLockedMetaKey(outEvents, deviceId, metaState, time,
- AKEYCODE_CAPS_LOCK, AMETA_CAPS_LOCK_ON, currentMetaState);
- }
-}
-
-bool KeyCharacterMap::addSingleEphemeralMetaKey(Vector<KeyEvent>& outEvents,
- int32_t deviceId, int32_t metaState, bool down, nsecs_t time,
- int32_t keyCode, int32_t keyMetaState,
- int32_t* currentMetaState) {
- if ((metaState & keyMetaState) == keyMetaState) {
- *currentMetaState = updateMetaState(keyCode, down, *currentMetaState);
- addKey(outEvents, deviceId, keyCode, *currentMetaState, down, time);
- return true;
- }
- return false;
-}
-
-void KeyCharacterMap::addDoubleEphemeralMetaKey(Vector<KeyEvent>& outEvents,
- int32_t deviceId, int32_t metaState, bool down, nsecs_t time,
- int32_t leftKeyCode, int32_t leftKeyMetaState,
- int32_t rightKeyCode, int32_t rightKeyMetaState,
- int32_t eitherKeyMetaState,
- int32_t* currentMetaState) {
- bool specific = false;
- specific |= addSingleEphemeralMetaKey(outEvents, deviceId, metaState, down, time,
- leftKeyCode, leftKeyMetaState, currentMetaState);
- specific |= addSingleEphemeralMetaKey(outEvents, deviceId, metaState, down, time,
- rightKeyCode, rightKeyMetaState, currentMetaState);
-
- if (!specific) {
- addSingleEphemeralMetaKey(outEvents, deviceId, metaState, down, time,
- leftKeyCode, eitherKeyMetaState, currentMetaState);
- }
-}
-
-void KeyCharacterMap::addLockedMetaKey(Vector<KeyEvent>& outEvents,
- int32_t deviceId, int32_t metaState, nsecs_t time,
- int32_t keyCode, int32_t keyMetaState,
- int32_t* currentMetaState) {
- if ((metaState & keyMetaState) == keyMetaState) {
- *currentMetaState = updateMetaState(keyCode, true, *currentMetaState);
- addKey(outEvents, deviceId, keyCode, *currentMetaState, true, time);
- *currentMetaState = updateMetaState(keyCode, false, *currentMetaState);
- addKey(outEvents, deviceId, keyCode, *currentMetaState, false, time);
- }
-}
-
-#if HAVE_ANDROID_OS
-sp<KeyCharacterMap> KeyCharacterMap::readFromParcel(Parcel* parcel) {
- sp<KeyCharacterMap> map = new KeyCharacterMap();
- map->mType = parcel->readInt32();
- size_t numKeys = parcel->readInt32();
- if (parcel->errorCheck()) {
- return NULL;
- }
-
- for (size_t i = 0; i < numKeys; i++) {
- int32_t keyCode = parcel->readInt32();
- char16_t label = parcel->readInt32();
- char16_t number = parcel->readInt32();
- if (parcel->errorCheck()) {
- return NULL;
- }
-
- Key* key = new Key();
- key->label = label;
- key->number = number;
- map->mKeys.add(keyCode, key);
-
- Behavior* lastBehavior = NULL;
- while (parcel->readInt32()) {
- int32_t metaState = parcel->readInt32();
- char16_t character = parcel->readInt32();
- int32_t fallbackKeyCode = parcel->readInt32();
- if (parcel->errorCheck()) {
- return NULL;
- }
-
- Behavior* behavior = new Behavior();
- behavior->metaState = metaState;
- behavior->character = character;
- behavior->fallbackKeyCode = fallbackKeyCode;
- if (lastBehavior) {
- lastBehavior->next = behavior;
- } else {
- key->firstBehavior = behavior;
- }
- lastBehavior = behavior;
- }
-
- if (parcel->errorCheck()) {
- return NULL;
- }
- }
- return map;
-}
-
-void KeyCharacterMap::writeToParcel(Parcel* parcel) const {
- parcel->writeInt32(mType);
-
- size_t numKeys = mKeys.size();
- parcel->writeInt32(numKeys);
- for (size_t i = 0; i < numKeys; i++) {
- int32_t keyCode = mKeys.keyAt(i);
- const Key* key = mKeys.valueAt(i);
- parcel->writeInt32(keyCode);
- parcel->writeInt32(key->label);
- parcel->writeInt32(key->number);
- for (const Behavior* behavior = key->firstBehavior; behavior != NULL;
- behavior = behavior->next) {
- parcel->writeInt32(1);
- parcel->writeInt32(behavior->metaState);
- parcel->writeInt32(behavior->character);
- parcel->writeInt32(behavior->fallbackKeyCode);
- }
- parcel->writeInt32(0);
- }
-}
-#endif
-
-
-// --- KeyCharacterMap::Key ---
-
-KeyCharacterMap::Key::Key() :
- label(0), number(0), firstBehavior(NULL) {
-}
-
-KeyCharacterMap::Key::Key(const Key& other) :
- label(other.label), number(other.number),
- firstBehavior(other.firstBehavior ? new Behavior(*other.firstBehavior) : NULL) {
-}
-
-KeyCharacterMap::Key::~Key() {
- Behavior* behavior = firstBehavior;
- while (behavior) {
- Behavior* next = behavior->next;
- delete behavior;
- behavior = next;
- }
-}
-
-
-// --- KeyCharacterMap::Behavior ---
-
-KeyCharacterMap::Behavior::Behavior() :
- next(NULL), metaState(0), character(0), fallbackKeyCode(0) {
-}
-
-KeyCharacterMap::Behavior::Behavior(const Behavior& other) :
- next(other.next ? new Behavior(*other.next) : NULL),
- metaState(other.metaState), character(other.character),
- fallbackKeyCode(other.fallbackKeyCode) {
-}
-
-
-// --- KeyCharacterMap::Parser ---
-
-KeyCharacterMap::Parser::Parser(KeyCharacterMap* map, Tokenizer* tokenizer, Format format) :
- mMap(map), mTokenizer(tokenizer), mFormat(format), mState(STATE_TOP) {
-}
-
-KeyCharacterMap::Parser::~Parser() {
-}
-
-status_t KeyCharacterMap::Parser::parse() {
- while (!mTokenizer->isEof()) {
-#if DEBUG_PARSER
- ALOGD("Parsing %s: '%s'.", mTokenizer->getLocation().string(),
- mTokenizer->peekRemainderOfLine().string());
-#endif
-
- mTokenizer->skipDelimiters(WHITESPACE);
-
- if (!mTokenizer->isEol() && mTokenizer->peekChar() != '#') {
- switch (mState) {
- case STATE_TOP: {
- String8 keywordToken = mTokenizer->nextToken(WHITESPACE);
- if (keywordToken == "type") {
- mTokenizer->skipDelimiters(WHITESPACE);
- status_t status = parseType();
- if (status) return status;
- } else if (keywordToken == "map") {
- mTokenizer->skipDelimiters(WHITESPACE);
- status_t status = parseMap();
- if (status) return status;
- } else if (keywordToken == "key") {
- mTokenizer->skipDelimiters(WHITESPACE);
- status_t status = parseKey();
- if (status) return status;
- } else {
- ALOGE("%s: Expected keyword, got '%s'.", mTokenizer->getLocation().string(),
- keywordToken.string());
- return BAD_VALUE;
- }
- break;
- }
-
- case STATE_KEY: {
- status_t status = parseKeyProperty();
- if (status) return status;
- break;
- }
- }
-
- mTokenizer->skipDelimiters(WHITESPACE);
- if (!mTokenizer->isEol() && mTokenizer->peekChar() != '#') {
- ALOGE("%s: Expected end of line or trailing comment, got '%s'.",
- mTokenizer->getLocation().string(),
- mTokenizer->peekRemainderOfLine().string());
- return BAD_VALUE;
- }
- }
-
- mTokenizer->nextLine();
- }
-
- if (mState != STATE_TOP) {
- ALOGE("%s: Unterminated key description at end of file.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
-
- if (mMap->mType == KEYBOARD_TYPE_UNKNOWN) {
- ALOGE("%s: Keyboard layout missing required keyboard 'type' declaration.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
-
- if (mFormat == FORMAT_BASE) {
- if (mMap->mType == KEYBOARD_TYPE_OVERLAY) {
- ALOGE("%s: Base keyboard layout must specify a keyboard 'type' other than 'OVERLAY'.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- } else if (mFormat == FORMAT_OVERLAY) {
- if (mMap->mType != KEYBOARD_TYPE_OVERLAY) {
- ALOGE("%s: Overlay keyboard layout missing required keyboard "
- "'type OVERLAY' declaration.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- }
-
- return NO_ERROR;
-}
-
-status_t KeyCharacterMap::Parser::parseType() {
- if (mMap->mType != KEYBOARD_TYPE_UNKNOWN) {
- ALOGE("%s: Duplicate keyboard 'type' declaration.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
-
- KeyboardType type;
- String8 typeToken = mTokenizer->nextToken(WHITESPACE);
- if (typeToken == "NUMERIC") {
- type = KEYBOARD_TYPE_NUMERIC;
- } else if (typeToken == "PREDICTIVE") {
- type = KEYBOARD_TYPE_PREDICTIVE;
- } else if (typeToken == "ALPHA") {
- type = KEYBOARD_TYPE_ALPHA;
- } else if (typeToken == "FULL") {
- type = KEYBOARD_TYPE_FULL;
- } else if (typeToken == "SPECIAL_FUNCTION") {
- type = KEYBOARD_TYPE_SPECIAL_FUNCTION;
- } else if (typeToken == "OVERLAY") {
- type = KEYBOARD_TYPE_OVERLAY;
- } else {
- ALOGE("%s: Expected keyboard type label, got '%s'.", mTokenizer->getLocation().string(),
- typeToken.string());
- return BAD_VALUE;
- }
-
-#if DEBUG_PARSER
- ALOGD("Parsed type: type=%d.", type);
-#endif
- mMap->mType = type;
- return NO_ERROR;
-}
-
-status_t KeyCharacterMap::Parser::parseMap() {
- String8 keywordToken = mTokenizer->nextToken(WHITESPACE);
- if (keywordToken == "key") {
- mTokenizer->skipDelimiters(WHITESPACE);
- return parseMapKey();
- }
- ALOGE("%s: Expected keyword after 'map', got '%s'.", mTokenizer->getLocation().string(),
- keywordToken.string());
- return BAD_VALUE;
-}
-
-status_t KeyCharacterMap::Parser::parseMapKey() {
- String8 codeToken = mTokenizer->nextToken(WHITESPACE);
- bool mapUsage = false;
- if (codeToken == "usage") {
- mapUsage = true;
- mTokenizer->skipDelimiters(WHITESPACE);
- codeToken = mTokenizer->nextToken(WHITESPACE);
- }
-
- char* end;
- int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
- if (*end) {
- ALOGE("%s: Expected key %s number, got '%s'.", mTokenizer->getLocation().string(),
- mapUsage ? "usage" : "scan code", codeToken.string());
- return BAD_VALUE;
- }
- KeyedVector<int32_t, int32_t>& map =
- mapUsage ? mMap->mKeysByUsageCode : mMap->mKeysByScanCode;
- if (map.indexOfKey(code) >= 0) {
- ALOGE("%s: Duplicate entry for key %s '%s'.", mTokenizer->getLocation().string(),
- mapUsage ? "usage" : "scan code", codeToken.string());
- return BAD_VALUE;
- }
-
- mTokenizer->skipDelimiters(WHITESPACE);
- String8 keyCodeToken = mTokenizer->nextToken(WHITESPACE);
- int32_t keyCode = getKeyCodeByLabel(keyCodeToken.string());
- if (!keyCode) {
- ALOGE("%s: Expected key code label, got '%s'.", mTokenizer->getLocation().string(),
- keyCodeToken.string());
- return BAD_VALUE;
- }
-
-#if DEBUG_PARSER
- ALOGD("Parsed map key %s: code=%d, keyCode=%d.",
- mapUsage ? "usage" : "scan code", code, keyCode);
-#endif
- map.add(code, keyCode);
- return NO_ERROR;
-}
-
-status_t KeyCharacterMap::Parser::parseKey() {
- String8 keyCodeToken = mTokenizer->nextToken(WHITESPACE);
- int32_t keyCode = getKeyCodeByLabel(keyCodeToken.string());
- if (!keyCode) {
- ALOGE("%s: Expected key code label, got '%s'.", mTokenizer->getLocation().string(),
- keyCodeToken.string());
- return BAD_VALUE;
- }
- if (mMap->mKeys.indexOfKey(keyCode) >= 0) {
- ALOGE("%s: Duplicate entry for key code '%s'.", mTokenizer->getLocation().string(),
- keyCodeToken.string());
- return BAD_VALUE;
- }
-
- mTokenizer->skipDelimiters(WHITESPACE);
- String8 openBraceToken = mTokenizer->nextToken(WHITESPACE);
- if (openBraceToken != "{") {
- ALOGE("%s: Expected '{' after key code label, got '%s'.",
- mTokenizer->getLocation().string(), openBraceToken.string());
- return BAD_VALUE;
- }
-
-#if DEBUG_PARSER
- ALOGD("Parsed beginning of key: keyCode=%d.", keyCode);
-#endif
- mKeyCode = keyCode;
- mMap->mKeys.add(keyCode, new Key());
- mState = STATE_KEY;
- return NO_ERROR;
-}
-
-status_t KeyCharacterMap::Parser::parseKeyProperty() {
- Key* key = mMap->mKeys.valueFor(mKeyCode);
- String8 token = mTokenizer->nextToken(WHITESPACE_OR_PROPERTY_DELIMITER);
- if (token == "}") {
- mState = STATE_TOP;
- return finishKey(key);
- }
-
- Vector<Property> properties;
-
- // Parse all comma-delimited property names up to the first colon.
- for (;;) {
- if (token == "label") {
- properties.add(Property(PROPERTY_LABEL));
- } else if (token == "number") {
- properties.add(Property(PROPERTY_NUMBER));
- } else {
- int32_t metaState;
- status_t status = parseModifier(token, &metaState);
- if (status) {
- ALOGE("%s: Expected a property name or modifier, got '%s'.",
- mTokenizer->getLocation().string(), token.string());
- return status;
- }
- properties.add(Property(PROPERTY_META, metaState));
- }
-
- mTokenizer->skipDelimiters(WHITESPACE);
- if (!mTokenizer->isEol()) {
- char ch = mTokenizer->nextChar();
- if (ch == ':') {
- break;
- } else if (ch == ',') {
- mTokenizer->skipDelimiters(WHITESPACE);
- token = mTokenizer->nextToken(WHITESPACE_OR_PROPERTY_DELIMITER);
- continue;
- }
- }
-
- ALOGE("%s: Expected ',' or ':' after property name.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
-
- // Parse behavior after the colon.
- mTokenizer->skipDelimiters(WHITESPACE);
-
- Behavior behavior;
- bool haveCharacter = false;
- bool haveFallback = false;
-
- do {
- char ch = mTokenizer->peekChar();
- if (ch == '\'') {
- char16_t character;
- status_t status = parseCharacterLiteral(&character);
- if (status || !character) {
- ALOGE("%s: Invalid character literal for key.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- if (haveCharacter) {
- ALOGE("%s: Cannot combine multiple character literals or 'none'.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- behavior.character = character;
- haveCharacter = true;
- } else {
- token = mTokenizer->nextToken(WHITESPACE);
- if (token == "none") {
- if (haveCharacter) {
- ALOGE("%s: Cannot combine multiple character literals or 'none'.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- haveCharacter = true;
- } else if (token == "fallback") {
- mTokenizer->skipDelimiters(WHITESPACE);
- token = mTokenizer->nextToken(WHITESPACE);
- int32_t keyCode = getKeyCodeByLabel(token.string());
- if (!keyCode) {
- ALOGE("%s: Invalid key code label for fallback behavior, got '%s'.",
- mTokenizer->getLocation().string(),
- token.string());
- return BAD_VALUE;
- }
- if (haveFallback) {
- ALOGE("%s: Cannot combine multiple fallback key codes.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- behavior.fallbackKeyCode = keyCode;
- haveFallback = true;
- } else {
- ALOGE("%s: Expected a key behavior after ':'.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- }
-
- mTokenizer->skipDelimiters(WHITESPACE);
- } while (!mTokenizer->isEol() && mTokenizer->peekChar() != '#');
-
- // Add the behavior.
- for (size_t i = 0; i < properties.size(); i++) {
- const Property& property = properties.itemAt(i);
- switch (property.property) {
- case PROPERTY_LABEL:
- if (key->label) {
- ALOGE("%s: Duplicate label for key.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- key->label = behavior.character;
-#if DEBUG_PARSER
- ALOGD("Parsed key label: keyCode=%d, label=%d.", mKeyCode, key->label);
-#endif
- break;
- case PROPERTY_NUMBER:
- if (key->number) {
- ALOGE("%s: Duplicate number for key.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- key->number = behavior.character;
-#if DEBUG_PARSER
- ALOGD("Parsed key number: keyCode=%d, number=%d.", mKeyCode, key->number);
-#endif
- break;
- case PROPERTY_META: {
- for (Behavior* b = key->firstBehavior; b; b = b->next) {
- if (b->metaState == property.metaState) {
- ALOGE("%s: Duplicate key behavior for modifier.",
- mTokenizer->getLocation().string());
- return BAD_VALUE;
- }
- }
- Behavior* newBehavior = new Behavior(behavior);
- newBehavior->metaState = property.metaState;
- newBehavior->next = key->firstBehavior;
- key->firstBehavior = newBehavior;
-#if DEBUG_PARSER
- ALOGD("Parsed key meta: keyCode=%d, meta=0x%x, char=%d, fallback=%d.", mKeyCode,
- newBehavior->metaState, newBehavior->character, newBehavior->fallbackKeyCode);
-#endif
- break;
- }
- }
- }
- return NO_ERROR;
-}
-
-status_t KeyCharacterMap::Parser::finishKey(Key* key) {
- // Fill in default number property.
- if (!key->number) {
- char16_t digit = 0;
- char16_t symbol = 0;
- for (Behavior* b = key->firstBehavior; b; b = b->next) {
- char16_t ch = b->character;
- if (ch) {
- if (ch >= '0' && ch <= '9') {
- digit = ch;
- } else if (ch == '(' || ch == ')' || ch == '#' || ch == '*'
- || ch == '-' || ch == '+' || ch == ',' || ch == '.'
- || ch == '\'' || ch == ':' || ch == ';' || ch == '/') {
- symbol = ch;
- }
- }
- }
- key->number = digit ? digit : symbol;
- }
- return NO_ERROR;
-}
-
-status_t KeyCharacterMap::Parser::parseModifier(const String8& token, int32_t* outMetaState) {
- if (token == "base") {
- *outMetaState = 0;
- return NO_ERROR;
- }
-
- int32_t combinedMeta = 0;
-
- const char* str = token.string();
- const char* start = str;
- for (const char* cur = str; ; cur++) {
- char ch = *cur;
- if (ch == '+' || ch == '\0') {
- size_t len = cur - start;
- int32_t metaState = 0;
- for (size_t i = 0; i < sizeof(modifiers) / sizeof(Modifier); i++) {
- if (strlen(modifiers[i].label) == len
- && strncmp(modifiers[i].label, start, len) == 0) {
- metaState = modifiers[i].metaState;
- break;
- }
- }
- if (!metaState) {
- return BAD_VALUE;
- }
- if (combinedMeta & metaState) {
- ALOGE("%s: Duplicate modifier combination '%s'.",
- mTokenizer->getLocation().string(), token.string());
- return BAD_VALUE;
- }
-
- combinedMeta |= metaState;
- start = cur + 1;
-
- if (ch == '\0') {
- break;
- }
- }
- }
- *outMetaState = combinedMeta;
- return NO_ERROR;
-}
-
-status_t KeyCharacterMap::Parser::parseCharacterLiteral(char16_t* outCharacter) {
- char ch = mTokenizer->nextChar();
- if (ch != '\'') {
- goto Error;
- }
-
- ch = mTokenizer->nextChar();
- if (ch == '\\') {
- // Escape sequence.
- ch = mTokenizer->nextChar();
- if (ch == 'n') {
- *outCharacter = '\n';
- } else if (ch == 't') {
- *outCharacter = '\t';
- } else if (ch == '\\') {
- *outCharacter = '\\';
- } else if (ch == '\'') {
- *outCharacter = '\'';
- } else if (ch == '"') {
- *outCharacter = '"';
- } else if (ch == 'u') {
- *outCharacter = 0;
- for (int i = 0; i < 4; i++) {
- ch = mTokenizer->nextChar();
- int digit;
- if (ch >= '0' && ch <= '9') {
- digit = ch - '0';
- } else if (ch >= 'A' && ch <= 'F') {
- digit = ch - 'A' + 10;
- } else if (ch >= 'a' && ch <= 'f') {
- digit = ch - 'a' + 10;
- } else {
- goto Error;
- }
- *outCharacter = (*outCharacter << 4) | digit;
- }
- } else {
- goto Error;
- }
- } else if (ch >= 32 && ch <= 126 && ch != '\'') {
- // ASCII literal character.
- *outCharacter = ch;
- } else {
- goto Error;
- }
-
- ch = mTokenizer->nextChar();
- if (ch != '\'') {
- goto Error;
- }
-
- // Ensure that we consumed the entire token.
- if (mTokenizer->nextToken(WHITESPACE).isEmpty()) {
- return NO_ERROR;
- }
-
-Error:
- ALOGE("%s: Malformed character literal.", mTokenizer->getLocation().string());
- return BAD_VALUE;
-}
-
-} // namespace android