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112 lines
3.5 KiB
112 lines
3.5 KiB
4 months ago
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "BootAnimationUtil.h"
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#include <vector>
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#include <inttypes.h>
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#include <binder/IServiceManager.h>
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#include <cutils/properties.h>
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#include <utils/Log.h>
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#include <utils/SystemClock.h>
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#include <android-base/properties.h>
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namespace android {
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namespace {
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static constexpr char PLAY_SOUND_PROP_NAME[] = "persist.sys.bootanim.play_sound";
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static constexpr char BOOT_COMPLETED_PROP_NAME[] = "sys.boot_completed";
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static constexpr char POWER_CTL_PROP_NAME[] = "sys.powerctl";
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static constexpr char BOOTREASON_PROP_NAME[] = "ro.boot.bootreason";
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static const std::vector<std::string> PLAY_SOUND_BOOTREASON_BLACKLIST {
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"kernel_panic",
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"Panic",
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"Watchdog",
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};
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} // namespace
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bool bootAnimationDisabled() {
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char value[PROPERTY_VALUE_MAX];
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property_get("debug.sf.nobootanimation", value, "0");
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if (atoi(value) > 0) {
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return true;
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}
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property_get("ro.boot.quiescent", value, "0");
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if (atoi(value) > 0) {
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// Only show the bootanimation for quiescent boots if this system property is set to enabled
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if (!property_get_bool("ro.bootanim.quiescent.enabled", false)) {
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return true;
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}
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}
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return false;
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}
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void waitForSurfaceFlinger() {
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// TODO: replace this with better waiting logic in future, b/35253872
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int64_t waitStartTime = elapsedRealtime();
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sp<IServiceManager> sm = defaultServiceManager();
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const String16 name("SurfaceFlinger");
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const int SERVICE_WAIT_SLEEP_MS = 100;
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const int LOG_PER_RETRIES = 10;
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int retry = 0;
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while (sm->checkService(name) == nullptr) {
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retry++;
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if ((retry % LOG_PER_RETRIES) == 0) {
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ALOGW("Waiting for SurfaceFlinger, waited for %" PRId64 " ms",
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elapsedRealtime() - waitStartTime);
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}
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usleep(SERVICE_WAIT_SLEEP_MS * 1000);
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};
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int64_t totalWaited = elapsedRealtime() - waitStartTime;
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if (totalWaited > SERVICE_WAIT_SLEEP_MS) {
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ALOGI("Waiting for SurfaceFlinger took %" PRId64 " ms", totalWaited);
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}
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}
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bool playSoundsAllowed() {
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// Only play sounds for system boots, not runtime restarts.
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if (android::base::GetBoolProperty(BOOT_COMPLETED_PROP_NAME, false)) {
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return false;
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}
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// no audio while shutting down
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if (!android::base::GetProperty(POWER_CTL_PROP_NAME, "").empty()) {
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return false;
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}
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// Read the system property to see if we should play the sound.
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// If it's not present, default to allowed.
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if (!property_get_bool(PLAY_SOUND_PROP_NAME, 1)) {
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return false;
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}
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// Don't play sounds if this is a reboot due to an error.
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char bootreason[PROPERTY_VALUE_MAX];
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if (property_get(BOOTREASON_PROP_NAME, bootreason, nullptr) > 0) {
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for (const auto& str : PLAY_SOUND_BOOTREASON_BLACKLIST) {
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if (strcasecmp(str.c_str(), bootreason) == 0) {
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return false;
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}
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}
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}
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return true;
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}
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} // namespace android
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