| /* |
| * Copyright (C) 2007 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_NDEBUG 0 |
| #define LOG_TAG "BootAnimation" |
| |
| #include <stdint.h> |
| #include <inttypes.h> |
| #include <sys/inotify.h> |
| #include <sys/poll.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <math.h> |
| #include <fcntl.h> |
| #include <utils/misc.h> |
| #include <signal.h> |
| #include <time.h> |
| |
| #include <cutils/atomic.h> |
| #include <cutils/properties.h> |
| |
| #include <androidfw/AssetManager.h> |
| #include <binder/IPCThreadState.h> |
| #include <utils/Errors.h> |
| #include <utils/Log.h> |
| #include <utils/SystemClock.h> |
| |
| #include <android-base/properties.h> |
| |
| #include <ui/PixelFormat.h> |
| #include <ui/Rect.h> |
| #include <ui/Region.h> |
| #include <ui/DisplayInfo.h> |
| |
| #include <gui/ISurfaceComposer.h> |
| #include <gui/Surface.h> |
| #include <gui/SurfaceComposerClient.h> |
| |
| // TODO: Fix Skia. |
| #pragma GCC diagnostic push |
| #pragma GCC diagnostic ignored "-Wunused-parameter" |
| #include <SkBitmap.h> |
| #include <SkImage.h> |
| #include <SkStream.h> |
| #pragma GCC diagnostic pop |
| |
| #include <GLES/gl.h> |
| #include <GLES/glext.h> |
| #include <EGL/eglext.h> |
| |
| #include "BootAnimation.h" |
| |
| #define ANIM_PATH_MAX 255 |
| #define STR(x) #x |
| #define STRTO(x) STR(x) |
| |
| namespace android { |
| |
| static const char OEM_BOOTANIMATION_FILE[] = "/oem/media/bootanimation.zip"; |
| static const char PRODUCT_BOOTANIMATION_DARK_FILE[] = "/product/media/bootanimation-dark.zip"; |
| static const char PRODUCT_BOOTANIMATION_FILE[] = "/product/media/bootanimation.zip"; |
| static const char SYSTEM_BOOTANIMATION_FILE[] = "/system/media/bootanimation.zip"; |
| static const char APEX_BOOTANIMATION_FILE[] = "/apex/com.android.bootanimation/etc/bootanimation.zip"; |
| static const char PRODUCT_ENCRYPTED_BOOTANIMATION_FILE[] = "/product/media/bootanimation-encrypted.zip"; |
| static const char SYSTEM_ENCRYPTED_BOOTANIMATION_FILE[] = "/system/media/bootanimation-encrypted.zip"; |
| static const char OEM_SHUTDOWNANIMATION_FILE[] = "/oem/media/shutdownanimation.zip"; |
| static const char PRODUCT_SHUTDOWNANIMATION_FILE[] = "/product/media/shutdownanimation.zip"; |
| static const char SYSTEM_SHUTDOWNANIMATION_FILE[] = "/system/media/shutdownanimation.zip"; |
| |
| static const char SYSTEM_DATA_DIR_PATH[] = "/data/system"; |
| static const char SYSTEM_TIME_DIR_NAME[] = "time"; |
| static const char SYSTEM_TIME_DIR_PATH[] = "/data/system/time"; |
| static const char CLOCK_FONT_ASSET[] = "images/clock_font.png"; |
| static const char CLOCK_FONT_ZIP_NAME[] = "clock_font.png"; |
| static const char LAST_TIME_CHANGED_FILE_NAME[] = "last_time_change"; |
| static const char LAST_TIME_CHANGED_FILE_PATH[] = "/data/system/time/last_time_change"; |
| static const char ACCURATE_TIME_FLAG_FILE_NAME[] = "time_is_accurate"; |
| static const char ACCURATE_TIME_FLAG_FILE_PATH[] = "/data/system/time/time_is_accurate"; |
| static const char TIME_FORMAT_12_HOUR_FLAG_FILE_PATH[] = "/data/system/time/time_format_12_hour"; |
| // Java timestamp format. Don't show the clock if the date is before 2000-01-01 00:00:00. |
| static const long long ACCURATE_TIME_EPOCH = 946684800000; |
| static constexpr char FONT_BEGIN_CHAR = ' '; |
| static constexpr char FONT_END_CHAR = '~' + 1; |
| static constexpr size_t FONT_NUM_CHARS = FONT_END_CHAR - FONT_BEGIN_CHAR + 1; |
| static constexpr size_t FONT_NUM_COLS = 16; |
| static constexpr size_t FONT_NUM_ROWS = FONT_NUM_CHARS / FONT_NUM_COLS; |
| static const int TEXT_CENTER_VALUE = INT_MAX; |
| static const int TEXT_MISSING_VALUE = INT_MIN; |
| static const char EXIT_PROP_NAME[] = "service.bootanim.exit"; |
| static const int ANIM_ENTRY_NAME_MAX = ANIM_PATH_MAX + 1; |
| static constexpr size_t TEXT_POS_LEN_MAX = 16; |
| |
| // --------------------------------------------------------------------------- |
| |
| BootAnimation::BootAnimation(sp<Callbacks> callbacks) |
| : Thread(false), mClockEnabled(true), mTimeIsAccurate(false), |
| mTimeFormat12Hour(false), mTimeCheckThread(nullptr), mCallbacks(callbacks) { |
| mSession = new SurfaceComposerClient(); |
| |
| std::string powerCtl = android::base::GetProperty("sys.powerctl", ""); |
| if (powerCtl.empty()) { |
| mShuttingDown = false; |
| } else { |
| mShuttingDown = true; |
| } |
| ALOGD("%sAnimationStartTiming start time: %" PRId64 "ms", mShuttingDown ? "Shutdown" : "Boot", |
| elapsedRealtime()); |
| } |
| |
| BootAnimation::~BootAnimation() { |
| if (mAnimation != nullptr) { |
| releaseAnimation(mAnimation); |
| mAnimation = nullptr; |
| } |
| ALOGD("%sAnimationStopTiming start time: %" PRId64 "ms", mShuttingDown ? "Shutdown" : "Boot", |
| elapsedRealtime()); |
| } |
| |
| void BootAnimation::onFirstRef() { |
| status_t err = mSession->linkToComposerDeath(this); |
| SLOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err)); |
| if (err == NO_ERROR) { |
| // Load the animation content -- this can be slow (eg 200ms) |
| // called before waitForSurfaceFlinger() in main() to avoid wait |
| ALOGD("%sAnimationPreloadTiming start time: %" PRId64 "ms", |
| mShuttingDown ? "Shutdown" : "Boot", elapsedRealtime()); |
| preloadAnimation(); |
| ALOGD("%sAnimationPreloadStopTiming start time: %" PRId64 "ms", |
| mShuttingDown ? "Shutdown" : "Boot", elapsedRealtime()); |
| } |
| } |
| |
| sp<SurfaceComposerClient> BootAnimation::session() const { |
| return mSession; |
| } |
| |
| void BootAnimation::binderDied(const wp<IBinder>&) |
| { |
| // woah, surfaceflinger died! |
| SLOGD("SurfaceFlinger died, exiting..."); |
| |
| // calling requestExit() is not enough here because the Surface code |
| // might be blocked on a condition variable that will never be updated. |
| kill( getpid(), SIGKILL ); |
| requestExit(); |
| } |
| |
| status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets, |
| const char* name) { |
| Asset* asset = assets.open(name, Asset::ACCESS_BUFFER); |
| if (asset == nullptr) |
| return NO_INIT; |
| SkBitmap bitmap; |
| sk_sp<SkData> data = SkData::MakeWithoutCopy(asset->getBuffer(false), |
| asset->getLength()); |
| sk_sp<SkImage> image = SkImage::MakeFromEncoded(data); |
| image->asLegacyBitmap(&bitmap, SkImage::kRO_LegacyBitmapMode); |
| asset->close(); |
| delete asset; |
| |
| const int w = bitmap.width(); |
| const int h = bitmap.height(); |
| const void* p = bitmap.getPixels(); |
| |
| GLint crop[4] = { 0, h, w, -h }; |
| texture->w = w; |
| texture->h = h; |
| |
| glGenTextures(1, &texture->name); |
| glBindTexture(GL_TEXTURE_2D, texture->name); |
| |
| switch (bitmap.colorType()) { |
| case kAlpha_8_SkColorType: |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA, |
| GL_UNSIGNED_BYTE, p); |
| break; |
| case kARGB_4444_SkColorType: |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, |
| GL_UNSIGNED_SHORT_4_4_4_4, p); |
| break; |
| case kN32_SkColorType: |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, p); |
| break; |
| case kRGB_565_SkColorType: |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, |
| GL_UNSIGNED_SHORT_5_6_5, p); |
| break; |
| default: |
| break; |
| } |
| |
| glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); |
| |
| return NO_ERROR; |
| } |
| |
| status_t BootAnimation::initTexture(FileMap* map, int* width, int* height) |
| { |
| SkBitmap bitmap; |
| sk_sp<SkData> data = SkData::MakeWithoutCopy(map->getDataPtr(), |
| map->getDataLength()); |
| sk_sp<SkImage> image = SkImage::MakeFromEncoded(data); |
| image->asLegacyBitmap(&bitmap, SkImage::kRO_LegacyBitmapMode); |
| |
| // FileMap memory is never released until application exit. |
| // Release it now as the texture is already loaded and the memory used for |
| // the packed resource can be released. |
| delete map; |
| |
| const int w = bitmap.width(); |
| const int h = bitmap.height(); |
| const void* p = bitmap.getPixels(); |
| |
| GLint crop[4] = { 0, h, w, -h }; |
| int tw = 1 << (31 - __builtin_clz(w)); |
| int th = 1 << (31 - __builtin_clz(h)); |
| if (tw < w) tw <<= 1; |
| if (th < h) th <<= 1; |
| |
| switch (bitmap.colorType()) { |
| case kN32_SkColorType: |
| if (!mUseNpotTextures && (tw != w || th != h)) { |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, nullptr); |
| glTexSubImage2D(GL_TEXTURE_2D, 0, |
| 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p); |
| } else { |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, |
| GL_UNSIGNED_BYTE, p); |
| } |
| break; |
| |
| case kRGB_565_SkColorType: |
| if (!mUseNpotTextures && (tw != w || th != h)) { |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, |
| GL_UNSIGNED_SHORT_5_6_5, nullptr); |
| glTexSubImage2D(GL_TEXTURE_2D, 0, |
| 0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p); |
| } else { |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, |
| GL_UNSIGNED_SHORT_5_6_5, p); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); |
| |
| *width = w; |
| *height = h; |
| |
| return NO_ERROR; |
| } |
| |
| status_t BootAnimation::readyToRun() { |
| mAssets.addDefaultAssets(); |
| |
| mDisplayToken = SurfaceComposerClient::getInternalDisplayToken(); |
| if (mDisplayToken == nullptr) |
| return -1; |
| |
| DisplayInfo dinfo; |
| status_t status = SurfaceComposerClient::getDisplayInfo(mDisplayToken, &dinfo); |
| if (status) |
| return -1; |
| |
| // create the native surface |
| sp<SurfaceControl> control = session()->createSurface(String8("BootAnimation"), |
| dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565); |
| |
| SurfaceComposerClient::Transaction t; |
| |
| // this guest property specifies multi-display IDs to show the boot animation |
| // multiple ids can be set with comma (,) as separator, for example: |
| // setprop boot.animation.displays 19260422155234049,19261083906282754 |
| Vector<uint64_t> physicalDisplayIds; |
| char displayValue[PROPERTY_VALUE_MAX] = ""; |
| property_get("boot.animation.displays", displayValue, ""); |
| bool isValid = displayValue[0] != '\0'; |
| if (isValid) { |
| char *p = displayValue; |
| while (*p) { |
| if (!isdigit(*p) && *p != ',') { |
| isValid = false; |
| break; |
| } |
| p ++; |
| } |
| if (!isValid) |
| SLOGE("Invalid syntax for the value of system prop: boot.animation.displays"); |
| } |
| if (isValid) { |
| std::istringstream stream(displayValue); |
| for (PhysicalDisplayId id; stream >> id; ) { |
| physicalDisplayIds.add(id); |
| if (stream.peek() == ',') |
| stream.ignore(); |
| } |
| |
| // In the case of multi-display, boot animation shows on the specified displays |
| // in addition to the primary display |
| auto ids = SurfaceComposerClient::getPhysicalDisplayIds(); |
| constexpr uint32_t LAYER_STACK = 0; |
| for (auto id : physicalDisplayIds) { |
| if (std::find(ids.begin(), ids.end(), id) != ids.end()) { |
| sp<IBinder> token = SurfaceComposerClient::getPhysicalDisplayToken(id); |
| if (token != nullptr) |
| t.setDisplayLayerStack(token, LAYER_STACK); |
| } |
| } |
| t.setLayerStack(control, LAYER_STACK); |
| } |
| |
| t.setLayer(control, 0x40000000) |
| .apply(); |
| |
| sp<Surface> s = control->getSurface(); |
| |
| // initialize opengl and egl |
| const EGLint attribs[] = { |
| EGL_RED_SIZE, 8, |
| EGL_GREEN_SIZE, 8, |
| EGL_BLUE_SIZE, 8, |
| EGL_DEPTH_SIZE, 0, |
| EGL_NONE |
| }; |
| EGLint w, h; |
| EGLint numConfigs; |
| EGLConfig config; |
| EGLSurface surface; |
| EGLContext context; |
| |
| EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
| |
| eglInitialize(display, nullptr, nullptr); |
| eglChooseConfig(display, attribs, &config, 1, &numConfigs); |
| surface = eglCreateWindowSurface(display, config, s.get(), nullptr); |
| context = eglCreateContext(display, config, nullptr, nullptr); |
| eglQuerySurface(display, surface, EGL_WIDTH, &w); |
| eglQuerySurface(display, surface, EGL_HEIGHT, &h); |
| |
| if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) |
| return NO_INIT; |
| |
| mDisplay = display; |
| mContext = context; |
| mSurface = surface; |
| mWidth = w; |
| mHeight = h; |
| mFlingerSurfaceControl = control; |
| mFlingerSurface = s; |
| mTargetInset = -1; |
| |
| return NO_ERROR; |
| } |
| |
| bool BootAnimation::preloadAnimation() { |
| findBootAnimationFile(); |
| if (!mZipFileName.isEmpty()) { |
| mAnimation = loadAnimation(mZipFileName); |
| return (mAnimation != nullptr); |
| } |
| |
| return false; |
| } |
| |
| void BootAnimation::findBootAnimationFile() { |
| // If the device has encryption turned on or is in process |
| // of being encrypted we show the encrypted boot animation. |
| char decrypt[PROPERTY_VALUE_MAX]; |
| property_get("vold.decrypt", decrypt, ""); |
| |
| bool encryptedAnimation = atoi(decrypt) != 0 || |
| !strcmp("trigger_restart_min_framework", decrypt); |
| |
| if (!mShuttingDown && encryptedAnimation) { |
| static const char* encryptedBootFiles[] = |
| {PRODUCT_ENCRYPTED_BOOTANIMATION_FILE, SYSTEM_ENCRYPTED_BOOTANIMATION_FILE}; |
| for (const char* f : encryptedBootFiles) { |
| if (access(f, R_OK) == 0) { |
| mZipFileName = f; |
| return; |
| } |
| } |
| } |
| |
| const bool playDarkAnim = android::base::GetIntProperty("ro.boot.theme", 0) == 1; |
| static const char* bootFiles[] = |
| {APEX_BOOTANIMATION_FILE, playDarkAnim ? PRODUCT_BOOTANIMATION_DARK_FILE : PRODUCT_BOOTANIMATION_FILE, |
| OEM_BOOTANIMATION_FILE, SYSTEM_BOOTANIMATION_FILE}; |
| static const char* shutdownFiles[] = |
| {PRODUCT_SHUTDOWNANIMATION_FILE, OEM_SHUTDOWNANIMATION_FILE, SYSTEM_SHUTDOWNANIMATION_FILE, ""}; |
| |
| for (const char* f : (!mShuttingDown ? bootFiles : shutdownFiles)) { |
| if (access(f, R_OK) == 0) { |
| mZipFileName = f; |
| return; |
| } |
| } |
| } |
| |
| bool BootAnimation::threadLoop() |
| { |
| bool r; |
| // We have no bootanimation file, so we use the stock android logo |
| // animation. |
| if (mZipFileName.isEmpty()) { |
| r = android(); |
| } else { |
| r = movie(); |
| } |
| |
| eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
| eglDestroyContext(mDisplay, mContext); |
| eglDestroySurface(mDisplay, mSurface); |
| mFlingerSurface.clear(); |
| mFlingerSurfaceControl.clear(); |
| eglTerminate(mDisplay); |
| eglReleaseThread(); |
| IPCThreadState::self()->stopProcess(); |
| return r; |
| } |
| |
| bool BootAnimation::android() |
| { |
| SLOGD("%sAnimationShownTiming start time: %" PRId64 "ms", mShuttingDown ? "Shutdown" : "Boot", |
| elapsedRealtime()); |
| initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png"); |
| initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png"); |
| |
| mCallbacks->init({}); |
| |
| // clear screen |
| glShadeModel(GL_FLAT); |
| glDisable(GL_DITHER); |
| glDisable(GL_SCISSOR_TEST); |
| glClearColor(0,0,0,1); |
| glClear(GL_COLOR_BUFFER_BIT); |
| eglSwapBuffers(mDisplay, mSurface); |
| |
| glEnable(GL_TEXTURE_2D); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| |
| const GLint xc = (mWidth - mAndroid[0].w) / 2; |
| const GLint yc = (mHeight - mAndroid[0].h) / 2; |
| const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h); |
| |
| glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(), |
| updateRect.height()); |
| |
| // Blend state |
| glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| |
| const nsecs_t startTime = systemTime(); |
| do { |
| nsecs_t now = systemTime(); |
| double time = now - startTime; |
| float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w; |
| GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w; |
| GLint x = xc - offset; |
| |
| glDisable(GL_SCISSOR_TEST); |
| glClear(GL_COLOR_BUFFER_BIT); |
| |
| glEnable(GL_SCISSOR_TEST); |
| glDisable(GL_BLEND); |
| glBindTexture(GL_TEXTURE_2D, mAndroid[1].name); |
| glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h); |
| glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h); |
| |
| glEnable(GL_BLEND); |
| glBindTexture(GL_TEXTURE_2D, mAndroid[0].name); |
| glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h); |
| |
| EGLBoolean res = eglSwapBuffers(mDisplay, mSurface); |
| if (res == EGL_FALSE) |
| break; |
| |
| // 12fps: don't animate too fast to preserve CPU |
| const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now); |
| if (sleepTime > 0) |
| usleep(sleepTime); |
| |
| checkExit(); |
| } while (!exitPending()); |
| |
| glDeleteTextures(1, &mAndroid[0].name); |
| glDeleteTextures(1, &mAndroid[1].name); |
| return false; |
| } |
| |
| void BootAnimation::checkExit() { |
| // Allow surface flinger to gracefully request shutdown |
| char value[PROPERTY_VALUE_MAX]; |
| property_get(EXIT_PROP_NAME, value, "0"); |
| int exitnow = atoi(value); |
| if (exitnow) { |
| requestExit(); |
| mCallbacks->shutdown(); |
| } |
| } |
| |
| bool BootAnimation::validClock(const Animation::Part& part) { |
| return part.clockPosX != TEXT_MISSING_VALUE && part.clockPosY != TEXT_MISSING_VALUE; |
| } |
| |
| bool parseTextCoord(const char* str, int* dest) { |
| if (strcmp("c", str) == 0) { |
| *dest = TEXT_CENTER_VALUE; |
| return true; |
| } |
| |
| char* end; |
| int val = (int) strtol(str, &end, 0); |
| if (end == str || *end != '\0' || val == INT_MAX || val == INT_MIN) { |
| return false; |
| } |
| *dest = val; |
| return true; |
| } |
| |
| // Parse two position coordinates. If only string is non-empty, treat it as the y value. |
| void parsePosition(const char* str1, const char* str2, int* x, int* y) { |
| bool success = false; |
| if (strlen(str1) == 0) { // No values were specified |
| // success = false |
| } else if (strlen(str2) == 0) { // we have only one value |
| if (parseTextCoord(str1, y)) { |
| *x = TEXT_CENTER_VALUE; |
| success = true; |
| } |
| } else { |
| if (parseTextCoord(str1, x) && parseTextCoord(str2, y)) { |
| success = true; |
| } |
| } |
| |
| if (!success) { |
| *x = TEXT_MISSING_VALUE; |
| *y = TEXT_MISSING_VALUE; |
| } |
| } |
| |
| // Parse a color represented as an HTML-style 'RRGGBB' string: each pair of |
| // characters in str is a hex number in [0, 255], which are converted to |
| // floating point values in the range [0.0, 1.0] and placed in the |
| // corresponding elements of color. |
| // |
| // If the input string isn't valid, parseColor returns false and color is |
| // left unchanged. |
| static bool parseColor(const char str[7], float color[3]) { |
| float tmpColor[3]; |
| for (int i = 0; i < 3; i++) { |
| int val = 0; |
| for (int j = 0; j < 2; j++) { |
| val *= 16; |
| char c = str[2*i + j]; |
| if (c >= '0' && c <= '9') val += c - '0'; |
| else if (c >= 'A' && c <= 'F') val += (c - 'A') + 10; |
| else if (c >= 'a' && c <= 'f') val += (c - 'a') + 10; |
| else return false; |
| } |
| tmpColor[i] = static_cast<float>(val) / 255.0f; |
| } |
| memcpy(color, tmpColor, sizeof(tmpColor)); |
| return true; |
| } |
| |
| |
| static bool readFile(ZipFileRO* zip, const char* name, String8& outString) |
| { |
| ZipEntryRO entry = zip->findEntryByName(name); |
| SLOGE_IF(!entry, "couldn't find %s", name); |
| if (!entry) { |
| return false; |
| } |
| |
| FileMap* entryMap = zip->createEntryFileMap(entry); |
| zip->releaseEntry(entry); |
| SLOGE_IF(!entryMap, "entryMap is null"); |
| if (!entryMap) { |
| return false; |
| } |
| |
| outString.setTo((char const*)entryMap->getDataPtr(), entryMap->getDataLength()); |
| delete entryMap; |
| return true; |
| } |
| |
| // The font image should be a 96x2 array of character images. The |
| // columns are the printable ASCII characters 0x20 - 0x7f. The |
| // top row is regular text; the bottom row is bold. |
| status_t BootAnimation::initFont(Font* font, const char* fallback) { |
| status_t status = NO_ERROR; |
| |
| if (font->map != nullptr) { |
| glGenTextures(1, &font->texture.name); |
| glBindTexture(GL_TEXTURE_2D, font->texture.name); |
| |
| status = initTexture(font->map, &font->texture.w, &font->texture.h); |
| |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); |
| } else if (fallback != nullptr) { |
| status = initTexture(&font->texture, mAssets, fallback); |
| } else { |
| return NO_INIT; |
| } |
| |
| if (status == NO_ERROR) { |
| font->char_width = font->texture.w / FONT_NUM_COLS; |
| font->char_height = font->texture.h / FONT_NUM_ROWS / 2; // There are bold and regular rows |
| } |
| |
| return status; |
| } |
| |
| void BootAnimation::drawText(const char* str, const Font& font, bool bold, int* x, int* y) { |
| glEnable(GL_BLEND); // Allow us to draw on top of the animation |
| glBindTexture(GL_TEXTURE_2D, font.texture.name); |
| |
| const int len = strlen(str); |
| const int strWidth = font.char_width * len; |
| |
| if (*x == TEXT_CENTER_VALUE) { |
| *x = (mWidth - strWidth) / 2; |
| } else if (*x < 0) { |
| *x = mWidth + *x - strWidth; |
| } |
| if (*y == TEXT_CENTER_VALUE) { |
| *y = (mHeight - font.char_height) / 2; |
| } else if (*y < 0) { |
| *y = mHeight + *y - font.char_height; |
| } |
| |
| int cropRect[4] = { 0, 0, font.char_width, -font.char_height }; |
| |
| for (int i = 0; i < len; i++) { |
| char c = str[i]; |
| |
| if (c < FONT_BEGIN_CHAR || c > FONT_END_CHAR) { |
| c = '?'; |
| } |
| |
| // Crop the texture to only the pixels in the current glyph |
| const int charPos = (c - FONT_BEGIN_CHAR); // Position in the list of valid characters |
| const int row = charPos / FONT_NUM_COLS; |
| const int col = charPos % FONT_NUM_COLS; |
| cropRect[0] = col * font.char_width; // Left of column |
| cropRect[1] = row * font.char_height * 2; // Top of row |
| // Move down to bottom of regular (one char_heigh) or bold (two char_heigh) line |
| cropRect[1] += bold ? 2 * font.char_height : font.char_height; |
| glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect); |
| |
| glDrawTexiOES(*x, *y, 0, font.char_width, font.char_height); |
| |
| *x += font.char_width; |
| } |
| |
| glDisable(GL_BLEND); // Return to the animation's default behaviour |
| glBindTexture(GL_TEXTURE_2D, 0); |
| } |
| |
| // We render 12 or 24 hour time. |
| void BootAnimation::drawClock(const Font& font, const int xPos, const int yPos) { |
| static constexpr char TIME_FORMAT_12[] = "%l:%M"; |
| static constexpr char TIME_FORMAT_24[] = "%H:%M"; |
| static constexpr int TIME_LENGTH = 6; |
| |
| time_t rawtime; |
| time(&rawtime); |
| struct tm* timeInfo = localtime(&rawtime); |
| |
| char timeBuff[TIME_LENGTH]; |
| const char* timeFormat = mTimeFormat12Hour ? TIME_FORMAT_12 : TIME_FORMAT_24; |
| size_t length = strftime(timeBuff, TIME_LENGTH, timeFormat, timeInfo); |
| |
| if (length != TIME_LENGTH - 1) { |
| SLOGE("Couldn't format time; abandoning boot animation clock"); |
| mClockEnabled = false; |
| return; |
| } |
| |
| char* out = timeBuff[0] == ' ' ? &timeBuff[1] : &timeBuff[0]; |
| int x = xPos; |
| int y = yPos; |
| drawText(out, font, false, &x, &y); |
| } |
| |
| bool BootAnimation::parseAnimationDesc(Animation& animation) |
| { |
| String8 desString; |
| |
| if (!readFile(animation.zip, "desc.txt", desString)) { |
| return false; |
| } |
| char const* s = desString.string(); |
| |
| // Parse the description file |
| for (;;) { |
| const char* endl = strstr(s, "\n"); |
| if (endl == nullptr) break; |
| String8 line(s, endl - s); |
| const char* l = line.string(); |
| int fps = 0; |
| int width = 0; |
| int height = 0; |
| int count = 0; |
| int pause = 0; |
| char path[ANIM_ENTRY_NAME_MAX]; |
| char color[7] = "000000"; // default to black if unspecified |
| char clockPos1[TEXT_POS_LEN_MAX + 1] = ""; |
| char clockPos2[TEXT_POS_LEN_MAX + 1] = ""; |
| |
| char pathType; |
| if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) { |
| // SLOGD("> w=%d, h=%d, fps=%d", width, height, fps); |
| animation.width = width; |
| animation.height = height; |
| animation.fps = fps; |
| } else if (sscanf(l, " %c %d %d %" STRTO(ANIM_PATH_MAX) "s #%6s %16s %16s", |
| &pathType, &count, &pause, path, color, clockPos1, clockPos2) >= 4) { |
| //SLOGD("> type=%c, count=%d, pause=%d, path=%s, color=%s, clockPos1=%s, clockPos2=%s", |
| // pathType, count, pause, path, color, clockPos1, clockPos2); |
| Animation::Part part; |
| part.playUntilComplete = pathType == 'c'; |
| part.count = count; |
| part.pause = pause; |
| part.path = path; |
| part.audioData = nullptr; |
| part.animation = nullptr; |
| if (!parseColor(color, part.backgroundColor)) { |
| SLOGE("> invalid color '#%s'", color); |
| part.backgroundColor[0] = 0.0f; |
| part.backgroundColor[1] = 0.0f; |
| part.backgroundColor[2] = 0.0f; |
| } |
| parsePosition(clockPos1, clockPos2, &part.clockPosX, &part.clockPosY); |
| animation.parts.add(part); |
| } |
| else if (strcmp(l, "$SYSTEM") == 0) { |
| // SLOGD("> SYSTEM"); |
| Animation::Part part; |
| part.playUntilComplete = false; |
| part.count = 1; |
| part.pause = 0; |
| part.audioData = nullptr; |
| part.animation = loadAnimation(String8(SYSTEM_BOOTANIMATION_FILE)); |
| if (part.animation != nullptr) |
| animation.parts.add(part); |
| } |
| s = ++endl; |
| } |
| |
| return true; |
| } |
| |
| bool BootAnimation::preloadZip(Animation& animation) |
| { |
| // read all the data structures |
| const size_t pcount = animation.parts.size(); |
| void *cookie = nullptr; |
| ZipFileRO* zip = animation.zip; |
| if (!zip->startIteration(&cookie)) { |
| return false; |
| } |
| |
| ZipEntryRO entry; |
| char name[ANIM_ENTRY_NAME_MAX]; |
| while ((entry = zip->nextEntry(cookie)) != nullptr) { |
| const int foundEntryName = zip->getEntryFileName(entry, name, ANIM_ENTRY_NAME_MAX); |
| if (foundEntryName > ANIM_ENTRY_NAME_MAX || foundEntryName == -1) { |
| SLOGE("Error fetching entry file name"); |
| continue; |
| } |
| |
| const String8 entryName(name); |
| const String8 path(entryName.getPathDir()); |
| const String8 leaf(entryName.getPathLeaf()); |
| if (leaf.size() > 0) { |
| if (entryName == CLOCK_FONT_ZIP_NAME) { |
| FileMap* map = zip->createEntryFileMap(entry); |
| if (map) { |
| animation.clockFont.map = map; |
| } |
| continue; |
| } |
| |
| for (size_t j = 0; j < pcount; j++) { |
| if (path == animation.parts[j].path) { |
| uint16_t method; |
| // supports only stored png files |
| if (zip->getEntryInfo(entry, &method, nullptr, nullptr, nullptr, nullptr, nullptr)) { |
| if (method == ZipFileRO::kCompressStored) { |
| FileMap* map = zip->createEntryFileMap(entry); |
| if (map) { |
| Animation::Part& part(animation.parts.editItemAt(j)); |
| if (leaf == "audio.wav") { |
| // a part may have at most one audio file |
| part.audioData = (uint8_t *)map->getDataPtr(); |
| part.audioLength = map->getDataLength(); |
| } else if (leaf == "trim.txt") { |
| part.trimData.setTo((char const*)map->getDataPtr(), |
| map->getDataLength()); |
| } else { |
| Animation::Frame frame; |
| frame.name = leaf; |
| frame.map = map; |
| frame.trimWidth = animation.width; |
| frame.trimHeight = animation.height; |
| frame.trimX = 0; |
| frame.trimY = 0; |
| part.frames.add(frame); |
| } |
| } |
| } else { |
| SLOGE("bootanimation.zip is compressed; must be only stored"); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // If there is trimData present, override the positioning defaults. |
| for (Animation::Part& part : animation.parts) { |
| const char* trimDataStr = part.trimData.string(); |
| for (size_t frameIdx = 0; frameIdx < part.frames.size(); frameIdx++) { |
| const char* endl = strstr(trimDataStr, "\n"); |
| // No more trimData for this part. |
| if (endl == nullptr) { |
| break; |
| } |
| String8 line(trimDataStr, endl - trimDataStr); |
| const char* lineStr = line.string(); |
| trimDataStr = ++endl; |
| int width = 0, height = 0, x = 0, y = 0; |
| if (sscanf(lineStr, "%dx%d+%d+%d", &width, &height, &x, &y) == 4) { |
| Animation::Frame& frame(part.frames.editItemAt(frameIdx)); |
| frame.trimWidth = width; |
| frame.trimHeight = height; |
| frame.trimX = x; |
| frame.trimY = y; |
| } else { |
| SLOGE("Error parsing trim.txt, line: %s", lineStr); |
| break; |
| } |
| } |
| } |
| |
| zip->endIteration(cookie); |
| |
| return true; |
| } |
| |
| bool BootAnimation::movie() |
| { |
| if (mAnimation == nullptr) { |
| mAnimation = loadAnimation(mZipFileName); |
| } |
| |
| if (mAnimation == nullptr) |
| return false; |
| |
| // mCallbacks->init() may get called recursively, |
| // this loop is needed to get the same results |
| for (const Animation::Part& part : mAnimation->parts) { |
| if (part.animation != nullptr) { |
| mCallbacks->init(part.animation->parts); |
| } |
| } |
| mCallbacks->init(mAnimation->parts); |
| |
| bool anyPartHasClock = false; |
| for (size_t i=0; i < mAnimation->parts.size(); i++) { |
| if(validClock(mAnimation->parts[i])) { |
| anyPartHasClock = true; |
| break; |
| } |
| } |
| if (!anyPartHasClock) { |
| mClockEnabled = false; |
| } |
| |
| // Check if npot textures are supported |
| mUseNpotTextures = false; |
| String8 gl_extensions; |
| const char* exts = reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS)); |
| if (!exts) { |
| glGetError(); |
| } else { |
| gl_extensions.setTo(exts); |
| if ((gl_extensions.find("GL_ARB_texture_non_power_of_two") != -1) || |
| (gl_extensions.find("GL_OES_texture_npot") != -1)) { |
| mUseNpotTextures = true; |
| } |
| } |
| |
| // Blend required to draw time on top of animation frames. |
| glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| glShadeModel(GL_FLAT); |
| glDisable(GL_DITHER); |
| glDisable(GL_SCISSOR_TEST); |
| glDisable(GL_BLEND); |
| |
| glBindTexture(GL_TEXTURE_2D, 0); |
| glEnable(GL_TEXTURE_2D); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| |
| bool clockFontInitialized = false; |
| if (mClockEnabled) { |
| clockFontInitialized = |
| (initFont(&mAnimation->clockFont, CLOCK_FONT_ASSET) == NO_ERROR); |
| mClockEnabled = clockFontInitialized; |
| } |
| |
| if (mClockEnabled && !updateIsTimeAccurate()) { |
| mTimeCheckThread = new TimeCheckThread(this); |
| mTimeCheckThread->run("BootAnimation::TimeCheckThread", PRIORITY_NORMAL); |
| } |
| |
| playAnimation(*mAnimation); |
| |
| if (mTimeCheckThread != nullptr) { |
| mTimeCheckThread->requestExit(); |
| mTimeCheckThread = nullptr; |
| } |
| |
| if (clockFontInitialized) { |
| glDeleteTextures(1, &mAnimation->clockFont.texture.name); |
| } |
| |
| releaseAnimation(mAnimation); |
| mAnimation = nullptr; |
| |
| return false; |
| } |
| |
| bool BootAnimation::playAnimation(const Animation& animation) |
| { |
| const size_t pcount = animation.parts.size(); |
| nsecs_t frameDuration = s2ns(1) / animation.fps; |
| const int animationX = (mWidth - animation.width) / 2; |
| const int animationY = (mHeight - animation.height) / 2; |
| |
| SLOGD("%sAnimationShownTiming start time: %" PRId64 "ms", mShuttingDown ? "Shutdown" : "Boot", |
| elapsedRealtime()); |
| for (size_t i=0 ; i<pcount ; i++) { |
| const Animation::Part& part(animation.parts[i]); |
| const size_t fcount = part.frames.size(); |
| glBindTexture(GL_TEXTURE_2D, 0); |
| |
| // Handle animation package |
| if (part.animation != nullptr) { |
| playAnimation(*part.animation); |
| if (exitPending()) |
| break; |
| continue; //to next part |
| } |
| |
| for (int r=0 ; !part.count || r<part.count ; r++) { |
| // Exit any non playuntil complete parts immediately |
| if(exitPending() && !part.playUntilComplete) |
| break; |
| |
| mCallbacks->playPart(i, part, r); |
| |
| glClearColor( |
| part.backgroundColor[0], |
| part.backgroundColor[1], |
| part.backgroundColor[2], |
| 1.0f); |
| |
| for (size_t j=0 ; j<fcount && (!exitPending() || part.playUntilComplete) ; j++) { |
| const Animation::Frame& frame(part.frames[j]); |
| nsecs_t lastFrame = systemTime(); |
| |
| if (r > 0) { |
| glBindTexture(GL_TEXTURE_2D, frame.tid); |
| } else { |
| if (part.count != 1) { |
| glGenTextures(1, &frame.tid); |
| glBindTexture(GL_TEXTURE_2D, frame.tid); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| } |
| int w, h; |
| initTexture(frame.map, &w, &h); |
| } |
| |
| const int xc = animationX + frame.trimX; |
| const int yc = animationY + frame.trimY; |
| Region clearReg(Rect(mWidth, mHeight)); |
| clearReg.subtractSelf(Rect(xc, yc, xc+frame.trimWidth, yc+frame.trimHeight)); |
| if (!clearReg.isEmpty()) { |
| Region::const_iterator head(clearReg.begin()); |
| Region::const_iterator tail(clearReg.end()); |
| glEnable(GL_SCISSOR_TEST); |
| while (head != tail) { |
| const Rect& r2(*head++); |
| glScissor(r2.left, mHeight - r2.bottom, r2.width(), r2.height()); |
| glClear(GL_COLOR_BUFFER_BIT); |
| } |
| glDisable(GL_SCISSOR_TEST); |
| } |
| // specify the y center as ceiling((mHeight - frame.trimHeight) / 2) |
| // which is equivalent to mHeight - (yc + frame.trimHeight) |
| glDrawTexiOES(xc, mHeight - (yc + frame.trimHeight), |
| 0, frame.trimWidth, frame.trimHeight); |
| if (mClockEnabled && mTimeIsAccurate && validClock(part)) { |
| drawClock(animation.clockFont, part.clockPosX, part.clockPosY); |
| } |
| handleViewport(frameDuration); |
| |
| eglSwapBuffers(mDisplay, mSurface); |
| |
| nsecs_t now = systemTime(); |
| nsecs_t delay = frameDuration - (now - lastFrame); |
| //SLOGD("%lld, %lld", ns2ms(now - lastFrame), ns2ms(delay)); |
| lastFrame = now; |
| |
| if (delay > 0) { |
| struct timespec spec; |
| spec.tv_sec = (now + delay) / 1000000000; |
| spec.tv_nsec = (now + delay) % 1000000000; |
| int err; |
| do { |
| err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, nullptr); |
| } while (err<0 && errno == EINTR); |
| } |
| |
| checkExit(); |
| } |
| |
| usleep(part.pause * ns2us(frameDuration)); |
| |
| // For infinite parts, we've now played them at least once, so perhaps exit |
| if(exitPending() && !part.count && mCurrentInset >= mTargetInset) |
| break; |
| } |
| |
| } |
| |
| // Free textures created for looping parts now that the animation is done. |
| for (const Animation::Part& part : animation.parts) { |
| if (part.count != 1) { |
| const size_t fcount = part.frames.size(); |
| for (size_t j = 0; j < fcount; j++) { |
| const Animation::Frame& frame(part.frames[j]); |
| glDeleteTextures(1, &frame.tid); |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| void BootAnimation::handleViewport(nsecs_t timestep) { |
| if (mShuttingDown || !mFlingerSurfaceControl || mTargetInset == 0) { |
| return; |
| } |
| if (mTargetInset < 0) { |
| // Poll the amount for the top display inset. This will return -1 until persistent properties |
| // have been loaded. |
| mTargetInset = android::base::GetIntProperty("persist.sys.displayinset.top", |
| -1 /* default */, -1 /* min */, mHeight / 2 /* max */); |
| } |
| if (mTargetInset <= 0) { |
| return; |
| } |
| |
| if (mCurrentInset < mTargetInset) { |
| // After the device boots, the inset will effectively be cropped away. We animate this here. |
| float fraction = static_cast<float>(mCurrentInset) / mTargetInset; |
| int interpolatedInset = (cosf((fraction + 1) * M_PI) / 2.0f + 0.5f) * mTargetInset; |
| |
| SurfaceComposerClient::Transaction() |
| .setCrop(mFlingerSurfaceControl, Rect(0, interpolatedInset, mWidth, mHeight)) |
| .apply(); |
| } else { |
| // At the end of the animation, we switch to the viewport that DisplayManager will apply |
| // later. This changes the coordinate system, and means we must move the surface up by |
| // the inset amount. |
| Rect layerStackRect(0, 0, mWidth, mHeight - mTargetInset); |
| Rect displayRect(0, mTargetInset, mWidth, mHeight); |
| |
| SurfaceComposerClient::Transaction t; |
| t.setPosition(mFlingerSurfaceControl, 0, -mTargetInset) |
| .setCrop(mFlingerSurfaceControl, Rect(0, mTargetInset, mWidth, mHeight)); |
| t.setDisplayProjection(mDisplayToken, ui::ROTATION_0, layerStackRect, displayRect); |
| t.apply(); |
| |
| mTargetInset = mCurrentInset = 0; |
| } |
| |
| int delta = timestep * mTargetInset / ms2ns(200); |
| mCurrentInset += delta; |
| } |
| |
| void BootAnimation::releaseAnimation(Animation* animation) const |
| { |
| for (Vector<Animation::Part>::iterator it = animation->parts.begin(), |
| e = animation->parts.end(); it != e; ++it) { |
| if (it->animation) |
| releaseAnimation(it->animation); |
| } |
| if (animation->zip) |
| delete animation->zip; |
| delete animation; |
| } |
| |
| BootAnimation::Animation* BootAnimation::loadAnimation(const String8& fn) |
| { |
| if (mLoadedFiles.indexOf(fn) >= 0) { |
| SLOGE("File \"%s\" is already loaded. Cyclic ref is not allowed", |
| fn.string()); |
| return nullptr; |
| } |
| ZipFileRO *zip = ZipFileRO::open(fn); |
| if (zip == nullptr) { |
| SLOGE("Failed to open animation zip \"%s\": %s", |
| fn.string(), strerror(errno)); |
| return nullptr; |
| } |
| |
| Animation *animation = new Animation; |
| animation->fileName = fn; |
| animation->zip = zip; |
| animation->clockFont.map = nullptr; |
| mLoadedFiles.add(animation->fileName); |
| |
| parseAnimationDesc(*animation); |
| if (!preloadZip(*animation)) { |
| releaseAnimation(animation); |
| return nullptr; |
| } |
| |
| mLoadedFiles.remove(fn); |
| return animation; |
| } |
| |
| bool BootAnimation::updateIsTimeAccurate() { |
| static constexpr long long MAX_TIME_IN_PAST = 60000LL * 60LL * 24LL * 30LL; // 30 days |
| static constexpr long long MAX_TIME_IN_FUTURE = 60000LL * 90LL; // 90 minutes |
| |
| if (mTimeIsAccurate) { |
| return true; |
| } |
| if (mShuttingDown) return true; |
| struct stat statResult; |
| |
| if(stat(TIME_FORMAT_12_HOUR_FLAG_FILE_PATH, &statResult) == 0) { |
| mTimeFormat12Hour = true; |
| } |
| |
| if(stat(ACCURATE_TIME_FLAG_FILE_PATH, &statResult) == 0) { |
| mTimeIsAccurate = true; |
| return true; |
| } |
| |
| FILE* file = fopen(LAST_TIME_CHANGED_FILE_PATH, "r"); |
| if (file != nullptr) { |
| long long lastChangedTime = 0; |
| fscanf(file, "%lld", &lastChangedTime); |
| fclose(file); |
| if (lastChangedTime > 0) { |
| struct timespec now; |
| clock_gettime(CLOCK_REALTIME, &now); |
| // Match the Java timestamp format |
| long long rtcNow = (now.tv_sec * 1000LL) + (now.tv_nsec / 1000000LL); |
| if (ACCURATE_TIME_EPOCH < rtcNow |
| && lastChangedTime > (rtcNow - MAX_TIME_IN_PAST) |
| && lastChangedTime < (rtcNow + MAX_TIME_IN_FUTURE)) { |
| mTimeIsAccurate = true; |
| } |
| } |
| } |
| |
| return mTimeIsAccurate; |
| } |
| |
| BootAnimation::TimeCheckThread::TimeCheckThread(BootAnimation* bootAnimation) : Thread(false), |
| mInotifyFd(-1), mSystemWd(-1), mTimeWd(-1), mBootAnimation(bootAnimation) {} |
| |
| BootAnimation::TimeCheckThread::~TimeCheckThread() { |
| // mInotifyFd may be -1 but that's ok since we're not at risk of attempting to close a valid FD. |
| close(mInotifyFd); |
| } |
| |
| bool BootAnimation::TimeCheckThread::threadLoop() { |
| bool shouldLoop = doThreadLoop() && !mBootAnimation->mTimeIsAccurate |
| && mBootAnimation->mClockEnabled; |
| if (!shouldLoop) { |
| close(mInotifyFd); |
| mInotifyFd = -1; |
| } |
| return shouldLoop; |
| } |
| |
| bool BootAnimation::TimeCheckThread::doThreadLoop() { |
| static constexpr int BUFF_LEN (10 * (sizeof(struct inotify_event) + NAME_MAX + 1)); |
| |
| // Poll instead of doing a blocking read so the Thread can exit if requested. |
| struct pollfd pfd = { mInotifyFd, POLLIN, 0 }; |
| ssize_t pollResult = poll(&pfd, 1, 1000); |
| |
| if (pollResult == 0) { |
| return true; |
| } else if (pollResult < 0) { |
| SLOGE("Could not poll inotify events"); |
| return false; |
| } |
| |
| char buff[BUFF_LEN] __attribute__ ((aligned(__alignof__(struct inotify_event))));; |
| ssize_t length = read(mInotifyFd, buff, BUFF_LEN); |
| if (length == 0) { |
| return true; |
| } else if (length < 0) { |
| SLOGE("Could not read inotify events"); |
| return false; |
| } |
| |
| const struct inotify_event *event; |
| for (char* ptr = buff; ptr < buff + length; ptr += sizeof(struct inotify_event) + event->len) { |
| event = (const struct inotify_event *) ptr; |
| if (event->wd == mSystemWd && strcmp(SYSTEM_TIME_DIR_NAME, event->name) == 0) { |
| addTimeDirWatch(); |
| } else if (event->wd == mTimeWd && (strcmp(LAST_TIME_CHANGED_FILE_NAME, event->name) == 0 |
| || strcmp(ACCURATE_TIME_FLAG_FILE_NAME, event->name) == 0)) { |
| return !mBootAnimation->updateIsTimeAccurate(); |
| } |
| } |
| |
| return true; |
| } |
| |
| void BootAnimation::TimeCheckThread::addTimeDirWatch() { |
| mTimeWd = inotify_add_watch(mInotifyFd, SYSTEM_TIME_DIR_PATH, |
| IN_CLOSE_WRITE | IN_MOVED_TO | IN_ATTRIB); |
| if (mTimeWd > 0) { |
| // No need to watch for the time directory to be created if it already exists |
| inotify_rm_watch(mInotifyFd, mSystemWd); |
| mSystemWd = -1; |
| } |
| } |
| |
| status_t BootAnimation::TimeCheckThread::readyToRun() { |
| mInotifyFd = inotify_init(); |
| if (mInotifyFd < 0) { |
| SLOGE("Could not initialize inotify fd"); |
| return NO_INIT; |
| } |
| |
| mSystemWd = inotify_add_watch(mInotifyFd, SYSTEM_DATA_DIR_PATH, IN_CREATE | IN_ATTRIB); |
| if (mSystemWd < 0) { |
| close(mInotifyFd); |
| mInotifyFd = -1; |
| SLOGE("Could not add watch for %s", SYSTEM_DATA_DIR_PATH); |
| return NO_INIT; |
| } |
| |
| addTimeDirWatch(); |
| |
| if (mBootAnimation->updateIsTimeAccurate()) { |
| close(mInotifyFd); |
| mInotifyFd = -1; |
| return ALREADY_EXISTS; |
| } |
| |
| return NO_ERROR; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| } |
| ; // namespace android |