8c878d61bb
Allow bootanimation to play if the boot is quiescent and the system
property ro.bootanim.quiescent.enabled is set to true.
This allows the bootanimation to become visible if the display is
turned on during the bootanimation. If OEMs want this behavior and the
device implements suppression of video/audio during quiescent boot,
they can set the system property
ro.bootanim.quiescent.enabled.
Bug: 185118020
Test: PRODUCT_PRODUCT_PROPERTIES += ro.bootanim.quiescent.enabled=true
adb reboot quiescent
Spam `adb shell input keyevent POWER` during boot
Test: Repeat the above test with the property set to 0
Change-Id: I54a4ad552704106ca06c4992fed4a2d501aa3fa5
112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
/*
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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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