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authorTreehugger Robot <treehugger-gerrit@google.com>2017-06-27 21:00:46 +0200
committerGerrit Code Review <noreply-gerritcodereview@google.com>2017-06-27 21:00:48 +0200
commit8e7db8f4a64bc2fa95b588a3b42e51de7f319522 (patch)
tree0aa77aaee06e9fb919cd465b11d1d6fc0dce469c /ui.cpp
parentMerge "avoid assuming build number is a 32-bit integer" (diff)
parentFormatting RecoveryUI related files. (diff)
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Diffstat (limited to 'ui.cpp')
-rw-r--r--ui.cpp330
1 files changed, 165 insertions, 165 deletions
diff --git a/ui.cpp b/ui.cpp
index cad744930..30b42a19a 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -71,23 +71,23 @@ RecoveryUI::RecoveryUI()
}
void RecoveryUI::OnKeyDetected(int key_code) {
- if (key_code == KEY_POWER) {
- has_power_key = true;
- } else if (key_code == KEY_DOWN || key_code == KEY_VOLUMEDOWN) {
- has_down_key = true;
- } else if (key_code == KEY_UP || key_code == KEY_VOLUMEUP) {
- has_up_key = true;
- }
+ if (key_code == KEY_POWER) {
+ has_power_key = true;
+ } else if (key_code == KEY_DOWN || key_code == KEY_VOLUMEDOWN) {
+ has_down_key = true;
+ } else if (key_code == KEY_UP || key_code == KEY_VOLUMEUP) {
+ has_up_key = true;
+ }
}
// Reads input events, handles special hot keys, and adds to the key queue.
static void* InputThreadLoop(void*) {
- while (true) {
- if (!ev_wait(-1)) {
- ev_dispatch();
- }
+ while (true) {
+ if (!ev_wait(-1)) {
+ ev_dispatch();
}
- return nullptr;
+ }
+ return nullptr;
}
bool RecoveryUI::InitScreensaver() {
@@ -141,39 +141,39 @@ bool RecoveryUI::Init(const std::string& locale) {
}
int RecoveryUI::OnInputEvent(int fd, uint32_t epevents) {
- struct input_event ev;
- if (ev_get_input(fd, epevents, &ev) == -1) {
- return -1;
- }
+ struct input_event ev;
+ if (ev_get_input(fd, epevents, &ev) == -1) {
+ return -1;
+ }
- if (ev.type == EV_SYN) {
- return 0;
- } else if (ev.type == EV_REL) {
- if (ev.code == REL_Y) {
- // accumulate the up or down motion reported by
- // the trackball. When it exceeds a threshold
- // (positive or negative), fake an up/down
- // key event.
- rel_sum += ev.value;
- if (rel_sum > 3) {
- ProcessKey(KEY_DOWN, 1); // press down key
- ProcessKey(KEY_DOWN, 0); // and release it
- rel_sum = 0;
- } else if (rel_sum < -3) {
- ProcessKey(KEY_UP, 1); // press up key
- ProcessKey(KEY_UP, 0); // and release it
- rel_sum = 0;
- }
- }
- } else {
+ if (ev.type == EV_SYN) {
+ return 0;
+ } else if (ev.type == EV_REL) {
+ if (ev.code == REL_Y) {
+ // accumulate the up or down motion reported by
+ // the trackball. When it exceeds a threshold
+ // (positive or negative), fake an up/down
+ // key event.
+ rel_sum += ev.value;
+ if (rel_sum > 3) {
+ ProcessKey(KEY_DOWN, 1); // press down key
+ ProcessKey(KEY_DOWN, 0); // and release it
rel_sum = 0;
+ } else if (rel_sum < -3) {
+ ProcessKey(KEY_UP, 1); // press up key
+ ProcessKey(KEY_UP, 0); // and release it
+ rel_sum = 0;
+ }
}
+ } else {
+ rel_sum = 0;
+ }
- if (ev.type == EV_KEY && ev.code <= KEY_MAX) {
- ProcessKey(ev.code, ev.value);
- }
+ if (ev.type == EV_KEY && ev.code <= KEY_MAX) {
+ ProcessKey(ev.code, ev.value);
+ }
- return 0;
+ return 0;
}
// Process a key-up or -down event. A key is "registered" when it is
@@ -189,82 +189,84 @@ int RecoveryUI::OnInputEvent(int fd, uint32_t epevents) {
//
// updown == 1 for key down events; 0 for key up events
void RecoveryUI::ProcessKey(int key_code, int updown) {
- bool register_key = false;
- bool long_press = false;
- bool reboot_enabled;
+ bool register_key = false;
+ bool long_press = false;
+ bool reboot_enabled;
- pthread_mutex_lock(&key_queue_mutex);
- key_pressed[key_code] = updown;
- if (updown) {
- ++key_down_count;
- key_last_down = key_code;
- key_long_press = false;
- key_timer_t* info = new key_timer_t;
- info->ui = this;
- info->key_code = key_code;
- info->count = key_down_count;
- pthread_t thread;
- pthread_create(&thread, nullptr, &RecoveryUI::time_key_helper, info);
- pthread_detach(thread);
- } else {
- if (key_last_down == key_code) {
- long_press = key_long_press;
- register_key = true;
- }
- key_last_down = -1;
+ pthread_mutex_lock(&key_queue_mutex);
+ key_pressed[key_code] = updown;
+ if (updown) {
+ ++key_down_count;
+ key_last_down = key_code;
+ key_long_press = false;
+ key_timer_t* info = new key_timer_t;
+ info->ui = this;
+ info->key_code = key_code;
+ info->count = key_down_count;
+ pthread_t thread;
+ pthread_create(&thread, nullptr, &RecoveryUI::time_key_helper, info);
+ pthread_detach(thread);
+ } else {
+ if (key_last_down == key_code) {
+ long_press = key_long_press;
+ register_key = true;
}
- reboot_enabled = enable_reboot;
- pthread_mutex_unlock(&key_queue_mutex);
+ key_last_down = -1;
+ }
+ reboot_enabled = enable_reboot;
+ pthread_mutex_unlock(&key_queue_mutex);
+
+ if (register_key) {
+ switch (CheckKey(key_code, long_press)) {
+ case RecoveryUI::IGNORE:
+ break;
+
+ case RecoveryUI::TOGGLE:
+ ShowText(!IsTextVisible());
+ break;
- if (register_key) {
- switch (CheckKey(key_code, long_press)) {
- case RecoveryUI::IGNORE:
- break;
-
- case RecoveryUI::TOGGLE:
- ShowText(!IsTextVisible());
- break;
-
- case RecoveryUI::REBOOT:
- if (reboot_enabled) {
- reboot("reboot,");
- while (true) { pause(); }
- }
- break;
-
- case RecoveryUI::ENQUEUE:
- EnqueueKey(key_code);
- break;
+ case RecoveryUI::REBOOT:
+ if (reboot_enabled) {
+ reboot("reboot,");
+ while (true) {
+ pause();
+ }
}
+ break;
+
+ case RecoveryUI::ENQUEUE:
+ EnqueueKey(key_code);
+ break;
}
+ }
}
void* RecoveryUI::time_key_helper(void* cookie) {
- key_timer_t* info = static_cast<key_timer_t*>(cookie);
- info->ui->time_key(info->key_code, info->count);
- delete info;
- return nullptr;
+ key_timer_t* info = static_cast<key_timer_t*>(cookie);
+ info->ui->time_key(info->key_code, info->count);
+ delete info;
+ return nullptr;
}
void RecoveryUI::time_key(int key_code, int count) {
- usleep(750000); // 750 ms == "long"
- bool long_press = false;
- pthread_mutex_lock(&key_queue_mutex);
- if (key_last_down == key_code && key_down_count == count) {
- long_press = key_long_press = true;
- }
- pthread_mutex_unlock(&key_queue_mutex);
- if (long_press) KeyLongPress(key_code);
+ usleep(750000); // 750 ms == "long"
+ bool long_press = false;
+ pthread_mutex_lock(&key_queue_mutex);
+ if (key_last_down == key_code && key_down_count == count) {
+ long_press = key_long_press = true;
+ }
+ pthread_mutex_unlock(&key_queue_mutex);
+ if (long_press) KeyLongPress(key_code);
}
void RecoveryUI::EnqueueKey(int key_code) {
- pthread_mutex_lock(&key_queue_mutex);
- const int queue_max = sizeof(key_queue) / sizeof(key_queue[0]);
- if (key_queue_len < queue_max) {
- key_queue[key_queue_len++] = key_code;
- pthread_cond_signal(&key_queue_cond);
- }
- pthread_mutex_unlock(&key_queue_mutex);
+ pthread_mutex_lock(&key_queue_mutex);
+ const int queue_max = sizeof(key_queue) / sizeof(key_queue[0]);
+ if (key_queue_len < queue_max) {
+ key_queue[key_queue_len++] = key_code;
+ pthread_cond_signal(&key_queue_cond);
+ }
+ pthread_mutex_unlock(&key_queue_mutex);
}
int RecoveryUI::WaitKey() {
@@ -330,98 +332,96 @@ int RecoveryUI::WaitKey() {
}
bool RecoveryUI::IsUsbConnected() {
- int fd = open("/sys/class/android_usb/android0/state", O_RDONLY);
- if (fd < 0) {
- printf("failed to open /sys/class/android_usb/android0/state: %s\n",
- strerror(errno));
- return 0;
- }
+ int fd = open("/sys/class/android_usb/android0/state", O_RDONLY);
+ if (fd < 0) {
+ printf("failed to open /sys/class/android_usb/android0/state: %s\n", strerror(errno));
+ return 0;
+ }
- char buf;
- // USB is connected if android_usb state is CONNECTED or CONFIGURED.
- int connected = (TEMP_FAILURE_RETRY(read(fd, &buf, 1)) == 1) && (buf == 'C');
- if (close(fd) < 0) {
- printf("failed to close /sys/class/android_usb/android0/state: %s\n",
- strerror(errno));
- }
- return connected;
+ char buf;
+ // USB is connected if android_usb state is CONNECTED or CONFIGURED.
+ int connected = (TEMP_FAILURE_RETRY(read(fd, &buf, 1)) == 1) && (buf == 'C');
+ if (close(fd) < 0) {
+ printf("failed to close /sys/class/android_usb/android0/state: %s\n", strerror(errno));
+ }
+ return connected;
}
bool RecoveryUI::IsKeyPressed(int key) {
- pthread_mutex_lock(&key_queue_mutex);
- int pressed = key_pressed[key];
- pthread_mutex_unlock(&key_queue_mutex);
- return pressed;
+ pthread_mutex_lock(&key_queue_mutex);
+ int pressed = key_pressed[key];
+ pthread_mutex_unlock(&key_queue_mutex);
+ return pressed;
}
bool RecoveryUI::IsLongPress() {
- pthread_mutex_lock(&key_queue_mutex);
- bool result = key_long_press;
- pthread_mutex_unlock(&key_queue_mutex);
- return result;
+ pthread_mutex_lock(&key_queue_mutex);
+ bool result = key_long_press;
+ pthread_mutex_unlock(&key_queue_mutex);
+ return result;
}
bool RecoveryUI::HasThreeButtons() {
- return has_power_key && has_up_key && has_down_key;
+ return has_power_key && has_up_key && has_down_key;
}
void RecoveryUI::FlushKeys() {
- pthread_mutex_lock(&key_queue_mutex);
- key_queue_len = 0;
- pthread_mutex_unlock(&key_queue_mutex);
+ pthread_mutex_lock(&key_queue_mutex);
+ key_queue_len = 0;
+ pthread_mutex_unlock(&key_queue_mutex);
}
RecoveryUI::KeyAction RecoveryUI::CheckKey(int key, bool is_long_press) {
- pthread_mutex_lock(&key_queue_mutex);
- key_long_press = false;
- pthread_mutex_unlock(&key_queue_mutex);
+ pthread_mutex_lock(&key_queue_mutex);
+ key_long_press = false;
+ pthread_mutex_unlock(&key_queue_mutex);
- // If we have power and volume up keys, that chord is the signal to toggle the text display.
- if (HasThreeButtons()) {
- if (key == KEY_VOLUMEUP && IsKeyPressed(KEY_POWER)) {
- return TOGGLE;
- }
- } else {
- // Otherwise long press of any button toggles to the text display,
- // and there's no way to toggle back (but that's pretty useless anyway).
- if (is_long_press && !IsTextVisible()) {
- return TOGGLE;
- }
+ // If we have power and volume up keys, that chord is the signal to toggle the text display.
+ if (HasThreeButtons()) {
+ if (key == KEY_VOLUMEUP && IsKeyPressed(KEY_POWER)) {
+ return TOGGLE;
+ }
+ } else {
+ // Otherwise long press of any button toggles to the text display,
+ // and there's no way to toggle back (but that's pretty useless anyway).
+ if (is_long_press && !IsTextVisible()) {
+ return TOGGLE;
+ }
- // Also, for button-limited devices, a long press is translated to KEY_ENTER.
- if (is_long_press && IsTextVisible()) {
- EnqueueKey(KEY_ENTER);
- return IGNORE;
- }
+ // Also, for button-limited devices, a long press is translated to KEY_ENTER.
+ if (is_long_press && IsTextVisible()) {
+ EnqueueKey(KEY_ENTER);
+ return IGNORE;
}
+ }
- // Press power seven times in a row to reboot.
- if (key == KEY_POWER) {
- pthread_mutex_lock(&key_queue_mutex);
- bool reboot_enabled = enable_reboot;
- pthread_mutex_unlock(&key_queue_mutex);
+ // Press power seven times in a row to reboot.
+ if (key == KEY_POWER) {
+ pthread_mutex_lock(&key_queue_mutex);
+ bool reboot_enabled = enable_reboot;
+ pthread_mutex_unlock(&key_queue_mutex);
- if (reboot_enabled) {
- ++consecutive_power_keys;
- if (consecutive_power_keys >= 7) {
- return REBOOT;
- }
- }
- } else {
- consecutive_power_keys = 0;
+ if (reboot_enabled) {
+ ++consecutive_power_keys;
+ if (consecutive_power_keys >= 7) {
+ return REBOOT;
+ }
}
+ } else {
+ consecutive_power_keys = 0;
+ }
- last_key = key;
- return (IsTextVisible() || screensaver_state_ == ScreensaverState::OFF) ? ENQUEUE : IGNORE;
+ last_key = key;
+ return (IsTextVisible() || screensaver_state_ == ScreensaverState::OFF) ? ENQUEUE : IGNORE;
}
void RecoveryUI::KeyLongPress(int) {
}
void RecoveryUI::SetEnableReboot(bool enabled) {
- pthread_mutex_lock(&key_queue_mutex);
- enable_reboot = enabled;
- pthread_mutex_unlock(&key_queue_mutex);
+ pthread_mutex_lock(&key_queue_mutex);
+ enable_reboot = enabled;
+ pthread_mutex_unlock(&key_queue_mutex);
}
void RecoveryUI::SetLocale(const std::string& new_locale) {