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screen_ui.cpp
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screen_ui.cpp
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/*
* Copyright (C) 2011 The Android Open Source Project
* Copyright (C) 2019 The LineageOS 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.
*/
#include "screen_ui.h"
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/input.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <minui/minui.h>
#include <healthd/BatteryMonitor.h>
#include "common.h"
#include "device.h"
#include "ui.h"
// Return the current time as a double (including fractions of a second).
static double now() {
struct timeval tv;
gettimeofday(&tv, nullptr);
return tv.tv_sec + tv.tv_usec / 1000000.0;
}
static void get_battery_status(bool& charged, int& capacity) {
struct healthd_config healthd_config = {
.batteryStatusPath = android::String8(android::String8::kEmptyString),
.batteryHealthPath = android::String8(android::String8::kEmptyString),
.batteryPresentPath = android::String8(android::String8::kEmptyString),
.batteryCapacityPath = android::String8(android::String8::kEmptyString),
.batteryVoltagePath = android::String8(android::String8::kEmptyString),
.batteryTemperaturePath = android::String8(android::String8::kEmptyString),
.batteryTechnologyPath = android::String8(android::String8::kEmptyString),
.batteryCurrentNowPath = android::String8(android::String8::kEmptyString),
.batteryCurrentAvgPath = android::String8(android::String8::kEmptyString),
.batteryChargeCounterPath = android::String8(android::String8::kEmptyString),
.batteryFullChargePath = android::String8(android::String8::kEmptyString),
.batteryCycleCountPath = android::String8(android::String8::kEmptyString),
.energyCounter = NULL,
.boot_min_cap = 0,
.screen_on = NULL
};
healthd_board_init(&healthd_config);
android::BatteryMonitor monitor;
monitor.init(&healthd_config);
int charge_status = monitor.getChargeStatus();
// Treat unknown status as charged.
charged = (charge_status != android::BATTERY_STATUS_DISCHARGING &&
charge_status != android::BATTERY_STATUS_NOT_CHARGING);
android::BatteryProperty prop;
android::status_t status = monitor.getProperty(android::BATTERY_PROP_CAPACITY, &prop);
// If we can't read battery percentage, it may be a device without battery. In this
// situation, use 100 as a fake battery percentage.
if (status != 0) {
prop.valueInt64 = 100;
}
capacity = (int)prop.valueInt64;
}
ScreenMenuItem::~ScreenMenuItem() {
if (icon_) {
res_free_surface(icon_);
}
if (icon_sel_) {
res_free_surface(icon_sel_);
}
}
GRSurface* ScreenMenuItem::icon() {
if (!icon_) {
res_create_display_surface(icon_name_.c_str(), &icon_);
}
return icon_;
}
GRSurface* ScreenMenuItem::icon_sel() {
if (icon_name_sel_.empty()) {
return icon();
}
if (!icon_sel_) {
res_create_display_surface(icon_name_sel_.c_str(), &icon_sel_);
}
return icon_sel_;
}
ScreenRecoveryUI::ScreenRecoveryUI()
: kMarginWidth(RECOVERY_UI_MARGIN_WIDTH),
kMarginHeight(RECOVERY_UI_MARGIN_HEIGHT),
kAnimationFps(RECOVERY_UI_ANIMATION_FPS),
kDensity(static_cast<float>(android::base::GetIntProperty("ro.sf.lcd_density", 160)) / 160.f),
currentIcon(NONE),
progressBarType(EMPTY),
progressScopeStart(0),
progressScopeSize(0),
progress(0),
pagesIdentical(false),
text_cols_(0),
text_rows_(0),
text_(nullptr),
text_col_(0),
text_row_(0),
show_text(false),
show_text_ever(false),
previous_row_ended(false),
update_screen_on_print(false),
menu_is_main_(true),
menu_type_(MT_NONE),
menu_headers_(nullptr),
menu_start_y_(0),
show_menu(false),
menu_show_start(0),
menu_show_count(0),
menu_sel(0),
file_viewer_text_(nullptr),
intro_frames(0),
loop_frames(0),
current_frame(0),
intro_done(false),
stage(-1),
max_stage(-1),
locale_(""),
rtl_locale_(false),
updateMutex(PTHREAD_MUTEX_INITIALIZER),
rainbow(false),
wrap_count(0) {}
GRSurface* ScreenRecoveryUI::GetCurrentFrame() const {
if (currentIcon == INSTALLING_UPDATE || currentIcon == ERASING) {
return intro_done ? loopFrames[current_frame] : introFrames[current_frame];
}
return nullptr;
}
GRSurface* ScreenRecoveryUI::GetCurrentText() const {
switch (currentIcon) {
case ERASING:
return erasing_text;
case ERROR:
return error_text;
case INSTALLING_UPDATE:
return installing_text;
case NO_COMMAND:
return no_command_text;
case NONE:
abort();
}
}
int ScreenRecoveryUI::PixelsFromDp(int dp) const {
return dp * kDensity;
}
// Here's the intended layout:
// | portrait large landscape large
// ---------+-------------------------------------------------
// gap |
// icon | (200dp)
// gap | 68dp 68dp 56dp 112dp
// text | (14sp)
// gap | 32dp 32dp 26dp 52dp
// progress | (2dp)
// gap |
// Note that "baseline" is actually the *top* of each icon (because that's how our drawing routines
// work), so that's the more useful measurement for calling code. We use even top and bottom gaps.
enum Layout { PORTRAIT = 0, PORTRAIT_LARGE = 1, LANDSCAPE = 2, LANDSCAPE_LARGE = 3, LAYOUT_MAX };
enum Dimension { TEXT = 0, ICON = 1, DIMENSION_MAX };
static constexpr int kLayouts[LAYOUT_MAX][DIMENSION_MAX] = {
{ 32, 68, }, // PORTRAIT
{ 32, 68, }, // PORTRAIT_LARGE
{ 26, 56, }, // LANDSCAPE
{ 52, 112, }, // LANDSCAPE_LARGE
};
int ScreenRecoveryUI::GetAnimationBaseline() const {
return GetTextBaseline() - PixelsFromDp(kLayouts[layout_][ICON]) - gr_get_height(loopFrames[0]);
}
int ScreenRecoveryUI::GetTextBaseline() const {
return GetProgressBaseline() - PixelsFromDp(kLayouts[layout_][TEXT]) -
gr_get_height(installing_text);
}
int ScreenRecoveryUI::GetProgressBaseline() const {
int elements_sum = gr_get_height(loopFrames[0]) + PixelsFromDp(kLayouts[layout_][ICON]) +
gr_get_height(installing_text) + PixelsFromDp(kLayouts[layout_][TEXT]) +
gr_get_height(progressBarFill);
int bottom_gap = (ScreenHeight() - elements_sum) / 2;
return ScreenHeight() - bottom_gap - gr_get_height(progressBarFill);
}
// Draw the currently selected stage icon(s) (if any).
// Does not flip pages. Should only be called with updateMutex locked.
void ScreenRecoveryUI::draw_background_locked() {
if (currentIcon != NONE && currentIcon != NO_COMMAND) {
if (currentIcon == INSTALLING_UPDATE) {
gr_color(66, 66, 66, 255);
gr_fill(0, 0, gr_fb_width(), gr_fb_height());
}
if (max_stage != -1) {
int stage_height = gr_get_height(stageMarkerEmpty);
int stage_width = gr_get_width(stageMarkerEmpty);
int stage_x = kMarginWidth + (ScreenWidth() - max_stage * gr_get_width(stageMarkerEmpty)) / 2;
int stage_y = kMarginHeight;
for (int i = 0; i < max_stage; ++i) {
GRSurface* stage_surface = (i < stage) ? stageMarkerFill : stageMarkerEmpty;
DrawSurface(stage_surface, 0, 0, stage_width, stage_height, stage_x, stage_y);
stage_x += stage_width;
}
}
}
}
// Draws either the animation and progress bar or the currently
// selected icon and text on the screen.
// Does not flip pages. Should only be called with updateMutex locked.
void ScreenRecoveryUI::draw_foreground_locked(int& y) {
GRSurface* frame = GetCurrentFrame();
if (frame) {
// Show animation frame and progress bar
int frame_width = gr_get_width(frame);
int frame_height = gr_get_height(frame);
int frame_x = kMarginWidth + (ScreenWidth() - frame_width) / 2;
int frame_y = kMarginHeight + GetAnimationBaseline();
DrawSurface(frame, 0, 0, frame_width, frame_height, frame_x, frame_y);
y = frame_y + frame_height;
if (progressBarType != EMPTY) {
int width = gr_get_width(progressBarEmpty);
int height = gr_get_height(progressBarEmpty);
int progress_x = kMarginWidth + (ScreenWidth() - width) / 2;
int progress_y = kMarginHeight + GetProgressBaseline();
// Erase behind the progress bar (in case this was a progress-only update)
gr_color(0, 0, 0, 255);
DrawFill(progress_x, progress_y, width, height);
if (progressBarType == DETERMINATE) {
float p = progressScopeStart + progress * progressScopeSize;
int pos = static_cast<int>(p * width);
if (rtl_locale_) {
// Fill the progress bar from right to left.
if (pos > 0) {
DrawSurface(progressBarFill, width - pos, 0, pos, height, progress_x + width - pos,
progress_y);
}
if (pos < width - 1) {
DrawSurface(progressBarEmpty, 0, 0, width - pos, height, progress_x, progress_y);
}
} else {
// Fill the progress bar from left to right.
if (pos > 0) {
DrawSurface(progressBarFill, 0, 0, pos, height, progress_x, progress_y);
}
if (pos < width - 1) {
DrawSurface(progressBarEmpty, pos, 0, width - pos, height, progress_x + pos,
progress_y);
}
}
}
y = progress_y + height;
}
} else {
// Show icon and text
if (currentIcon != NONE && currentIcon != NO_COMMAND) {
GRSurface* icon_surface = error_icon;
int icon_width = gr_get_width(icon_surface);
int icon_height = gr_get_height(icon_surface);
int icon_x = kMarginWidth + (gr_fb_width() - icon_width) / 2;
int icon_y = kMarginHeight + GetAnimationBaseline();
gr_blit(icon_surface, 0, 0, icon_width, icon_height, icon_x, icon_y);
GRSurface* text_surface = GetCurrentText();
int text_width = gr_get_width(text_surface);
int text_height = gr_get_height(text_surface);
int text_x = kMarginWidth + (gr_fb_width() - text_width) / 2;
int text_y = kMarginHeight + GetTextBaseline();
gr_color(255, 255, 255, 255);
gr_texticon(text_x, text_y, text_surface);
y = text_y + text_height;
}
}
}
/* Ubuntu orange: #E95420 */
void ScreenRecoveryUI::SetColor(UIElement e) const {
switch (e) {
case STATUSBAR:
gr_color(255, 255, 255, 255);
break;
case INFO:
gr_color(249, 194, 0, 255);
break;
case HEADER:
gr_color(247, 0, 6, 255);
break;
case MENU:
case MENU_SEL_BG:
gr_color(0xd8, 0xd8, 0xd8, 255);
break;
case MENU_SEL_BG_ACTIVE:
gr_color(138, 135, 134, 255);
break;
case MENU_SEL_FG:
gr_color(0xE9, 0x54, 0x20, 255);
break;
case LOG:
gr_color(196, 196, 196, 255);
break;
case TEXT_FILL:
gr_color(66, 66, 66, 160);
break;
default:
gr_color(255, 255, 255, 255);
break;
}
}
void ScreenRecoveryUI::SelectAndShowBackgroundText(const std::vector<std::string>& locales_entries,
size_t sel) {
SetLocale(locales_entries[sel]);
std::vector<std::string> text_name = { "erasing_text", "error_text", "installing_text",
"installing_security_text", "no_command_text" };
std::unordered_map<std::string, std::unique_ptr<GRSurface, decltype(&free)>> surfaces;
for (const auto& name : text_name) {
GRSurface* text_image = nullptr;
LoadLocalizedBitmap(name.c_str(), &text_image);
if (!text_image) {
Print("Failed to load %s\n", name.c_str());
return;
}
surfaces.emplace(name, std::unique_ptr<GRSurface, decltype(&free)>(text_image, &free));
}
pthread_mutex_lock(&updateMutex);
gr_color(0, 0, 0, 255);
gr_clear();
int text_y = kMarginHeight;
int text_x = kMarginWidth;
int line_spacing = gr_sys_font()->char_height; // Put some extra space between images.
// Write the header and descriptive texts.
SetColor(INFO);
std::string header = "Show background text image";
text_y += DrawTextLine(text_x, text_y, header.c_str(), true);
std::string locale_selection = android::base::StringPrintf(
"Current locale: %s, %zu/%zu", locales_entries[sel].c_str(), sel, locales_entries.size());
const char* instruction[] = { locale_selection.c_str(),
"Use volume up/down to switch locales and power to exit.",
nullptr };
text_y += DrawWrappedTextLines(text_x, text_y, instruction);
// Iterate through the text images and display them in order for the current locale.
for (const auto& p : surfaces) {
text_y += line_spacing;
SetColor(LOG);
text_y += DrawTextLine(text_x, text_y, p.first.c_str(), false);
gr_color(255, 255, 255, 255);
gr_texticon(text_x, text_y, p.second.get());
text_y += gr_get_height(p.second.get());
}
// Update the whole screen.
gr_flip();
pthread_mutex_unlock(&updateMutex);
}
void ScreenRecoveryUI::CheckBackgroundTextImages(const std::string& saved_locale) {
// Load a list of locales embedded in one of the resource files.
std::vector<std::string> locales_entries = get_locales_in_png("installing_text");
if (locales_entries.empty()) {
Print("Failed to load locales from the resource files\n");
return;
}
size_t selected = 0;
SelectAndShowBackgroundText(locales_entries, selected);
FlushKeys();
while (true) {
RecoveryUI::InputEvent evt = WaitInputEvent();
if (evt.type() != RecoveryUI::EVENT_TYPE_KEY) {
break;
}
if (evt.key() == KEY_POWER || evt.key() == KEY_ENTER) {
break;
} else if (evt.key() == KEY_UP || evt.key() == KEY_VOLUMEUP) {
selected = (selected == 0) ? locales_entries.size() - 1 : selected - 1;
SelectAndShowBackgroundText(locales_entries, selected);
} else if (evt.key() == KEY_DOWN || evt.key() == KEY_VOLUMEDOWN) {
selected = (selected == locales_entries.size() - 1) ? 0 : selected + 1;
SelectAndShowBackgroundText(locales_entries, selected);
}
}
SetLocale(saved_locale);
}
int ScreenRecoveryUI::ScreenWidth() const {
return gr_fb_width();
}
int ScreenRecoveryUI::ScreenHeight() const {
return gr_fb_height();
}
void ScreenRecoveryUI::DrawSurface(GRSurface* surface, int sx, int sy, int w, int h, int dx,
int dy) const {
gr_blit(surface, sx, sy, w, h, dx, dy);
}
int ScreenRecoveryUI::DrawHorizontalRule(int y) const {
gr_fill(0, y + 4, ScreenWidth(), y + 6);
return 8;
}
void ScreenRecoveryUI::DrawHighlightBar(int x, int y, int width, int height) const {
gr_fill(x, y, x + width, y + height);
}
void ScreenRecoveryUI::DrawFill(int x, int y, int w, int h) const {
gr_fill(x, y, w, h);
}
void ScreenRecoveryUI::DrawTextIcon(int x, int y, GRSurface* surface) const {
gr_texticon(x, y, surface);
}
int ScreenRecoveryUI::DrawTextLine(int x, int y, const char* line, bool bold) const {
gr_text(gr_sys_font(), x, y, line, bold);
return char_height_ + 4;
}
int ScreenRecoveryUI::DrawTextLines(int x, int y, const char* const* lines) const {
int offset = 0;
for (size_t i = 0; lines != nullptr && lines[i] != nullptr; ++i) {
offset += DrawTextLine(x, y + offset, lines[i], false);
}
return offset;
}
int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y, const char* const* lines) const {
int offset = 0;
for (size_t i = 0; lines != nullptr && lines[i] != nullptr; ++i) {
// The line will be wrapped if it exceeds text_cols_.
std::string line(lines[i]);
size_t next_start = 0;
while (next_start < line.size()) {
std::string sub = line.substr(next_start, text_cols_ + 1);
if (sub.size() <= text_cols_) {
next_start += sub.size();
} else {
// Line too long and must be wrapped to text_cols_ columns.
size_t last_space = sub.find_last_of(" \t\n");
if (last_space == std::string::npos) {
// No space found, just draw as much as we can
sub.resize(text_cols_);
next_start += text_cols_;
} else {
sub.resize(last_space);
next_start += last_space + 1;
}
}
gr_text(gr_menu_font(), x, y + offset, sub.c_str(), false);
offset += menu_char_height_ + 4;
}
}
return offset;
}
void ScreenRecoveryUI::draw_statusbar_locked() {
int y = kMarginHeight;
int x;
int icon_x, icon_y, icon_h, icon_w;
// Battery status
bool batt_charged;
int batt_capacity;
get_battery_status(batt_charged, batt_capacity);
char batt_capacity_str[3 + 1 + 1];
snprintf(batt_capacity_str, sizeof(batt_capacity_str), "%d%%", batt_capacity);
// Draw status bar from right to left
// Battery icon
x = gr_fb_width() - RECOVERY_UI_MARGIN_STATUSBAR;
x -= 1 * char_width_;
SetColor((batt_capacity < 20) ? HEADER : STATUSBAR);
// Top
icon_x = x + char_width_ / 3;
icon_y = y;
icon_w = char_width_ / 3;
icon_h = char_height_ / 12;
gr_fill(icon_x, icon_y, icon_x + icon_w, icon_y + icon_h);
// Main rect
icon_x = x;
icon_y = y + icon_h;
icon_w = char_width_;
icon_h = char_height_ - (char_height_ / 12);
gr_fill(icon_x, icon_y, icon_x + icon_w, icon_y + icon_h);
// Capacity
icon_x = x + char_width_ / 6;
icon_y = y + char_height_ / 12;
icon_w = char_width_ - (2 * char_width_ / 6);
icon_h = char_height_ - (3 * char_height_ / 12);
int cap_h = icon_h * batt_capacity / 100;
gr_fill(icon_x, icon_y + icon_h - cap_h, icon_x + icon_w, icon_y + icon_h);
gr_color(0, 0, 0, 255);
gr_fill(icon_x, icon_y, icon_x + icon_w, icon_y + icon_h - cap_h);
SetColor(STATUSBAR);
x -= char_width_; // Separator
// Battery text
x -= strlen(batt_capacity_str) * char_width_;
gr_text(gr_sys_font(), x, y, batt_capacity_str, false);
}
/*
* Header layout:
* * 1/32: Status bar
* * Header image
* * 1/32: Margin
*/
void ScreenRecoveryUI::draw_header_locked(int& y) {
int h_unit = gr_fb_width() / 9;
int v_unit = gr_fb_height() / 16;
GRSurface* icon;
int icon_x, icon_y, icon_h, icon_w;
y += v_unit / 2; // Margin
// Draw back icon if not in main menu
if (!menu_is_main_) {
icon = (menu_sel == -1 ? ic_back_sel : ic_back);
icon_w = gr_get_width(icon);
icon_h = gr_get_height(icon);
icon_x = kMarginWidth + (h_unit / 2) + ((h_unit * 1) - icon_w) / 2;
icon_y = y + ((v_unit * 1) - icon_h) / 2;
gr_blit(icon, 0, 0, icon_w, icon_h, icon_x, icon_y);
}
y += v_unit;
// Draw logo
icon = logo_image;
icon_w = gr_get_width(icon);
icon_h = gr_get_height(icon);
icon_x = kMarginWidth + (gr_fb_width() - icon_w) / 2;
icon_y = y + ((v_unit * 4) - icon_h) / 2;
gr_blit(icon, 0, 0, icon_w, icon_h, icon_x, icon_y);
y += v_unit * 4;
y += v_unit * 1; // Margin
}
void ScreenRecoveryUI::draw_text_menu_locked(int& y) {
static constexpr int kMenuIndent = 4;
int x = kMarginWidth + kMenuIndent;
// An item should not be displayed if it's shown height would be less than 75% of its true height
static const int kMinItemHeight = MenuItemHeight() * 3 / 4;
draw_statusbar_locked();
draw_header_locked(y);
if (menu_headers_) {
SetColor(HEADER);
// Ignore kMenuIndent, which is not taken into account by text_cols_.
y += DrawWrappedTextLines(kMarginWidth, y, menu_headers_);
SetColor(MENU);
y += DrawHorizontalRule(y) + 4;
}
menu_start_y_ = y;
int i;
for (i = menu_show_start; i < (int)menu_items_.size() && y + kMinItemHeight < gr_fb_height();
++i) {
const ScreenMenuItem& item = menu_items_.at(i);
if (i == menu_sel) {
SetColor(MENU_SEL_FG);
y += menu_char_height_;
gr_text(gr_menu_font(), x, y, item.text().c_str(), false);
y += menu_char_height_;
y += menu_char_height_;
} else {
SetColor(MENU);
y += menu_char_height_;
gr_text(gr_menu_font(), x, y, item.text().c_str(), false);
y += menu_char_height_;
y += menu_char_height_;
}
}
menu_show_count = i - menu_show_start;
}
/*
* Grid layout.
*
* Grid item:
* Horizontal:
* * 3/9 of screen per item.
* * 1/9 of screen margin around/between items.
* Vertical:
* * 3/16 of screen per item.
* * No margin between items.
*
* Within a grid item:
* Asher's icons 1/5 of grid both dimensions.
* Current icons 2/5 of grid both dimensions.
* Horizontal:
* * All items centered.
* Vertical:
* * Icon lower aligned in top 2/3.
* * Text upper aligned in low 1/3 plus half line margin.
*/
void ScreenRecoveryUI::draw_grid_menu_locked(int& y) {
int h_unit = gr_fb_width() / 9;
int v_unit = gr_fb_height() / 16;
int grid_w = h_unit * 3;
int grid_h = v_unit * 3;
draw_statusbar_locked();
draw_header_locked(y);
menu_start_y_ = y;
int i;
for (i = menu_show_start; i < (int)menu_items_.size() && y + grid_h < gr_fb_height(); ++i) {
ScreenMenuItem& item = menu_items_.at(i);
int grid_x = kMarginWidth + ((i % 2) ? h_unit * 5 : h_unit * 1);
int grid_y = y;
if (item.icon()) {
GRSurface* icon = (i == menu_sel) ? item.icon_sel() : item.icon();
int icon_w = gr_get_width(icon);
int icon_h = gr_get_height(icon);
int icon_x = grid_x + (grid_w - icon_w) / 2;
int icon_y = grid_y + ((grid_h * 2 / 3) - icon_h) / 2;
gr_blit(icon, 0, 0, icon_w, icon_h, icon_x, icon_y);
}
if (!item.text().empty()) {
int text_w = item.text().size() * char_width_;
int text_x = grid_x + (grid_w - text_w) / 2;
int text_y = grid_y + (grid_h * 2 / 3) + (char_height_ / 2);
SetColor(i == menu_sel ? MENU_SEL_FG : MENU);
gr_text(gr_sys_font(), text_x, text_y, item.text().c_str(), false);
}
if (i % 2) {
y += grid_h;
grid_y = y;
}
}
menu_show_count = i - menu_show_start;
}
// Redraws everything on the screen. Does not flip pages. Should only be called with updateMutex
// locked.
void ScreenRecoveryUI::draw_screen_locked() {
pagesIdentical = false;
gr_color(0, 0, 0, 255);
gr_clear();
int y = kMarginHeight;
if (show_menu) {
switch (menu_type_) {
case MT_LIST:
draw_text_menu_locked(y);
break;
case MT_GRID:
draw_grid_menu_locked(y);
break;
default:
break;
}
// Draw version info
if (menu_is_main_) {
int text_x, text_y;
SetColor(MENU);
text_y = gr_fb_height() - 2 * (char_height_ + 4);
if (boot_slot_.empty()) {
text_x = kMarginWidth + gr_fb_width() * 1 / 2 -
(android_version_.size() * char_width_) / 2;
DrawTextLine(text_x, text_y, android_version_.c_str(), false);
}
else {
text_x = kMarginWidth + gr_fb_width() * 1 / 4 -
(android_version_.size() * char_width_) / 2;
DrawTextLine(text_x, text_y, android_version_.c_str(), false);
text_x = kMarginWidth + gr_fb_width() * 3 / 4 -
(boot_slot_.size() * char_width_) / 2;
DrawTextLine(text_x, text_y, boot_slot_.c_str(), false);
}
text_y += char_height_ + 4;
text_x = kMarginWidth + gr_fb_width() * 1 / 2 -
(lineage_version_.size() * char_width_) / 2;
DrawTextLine(text_x, text_y, lineage_version_.c_str(), false);
}
} else {
draw_background_locked();
draw_foreground_locked(y);
if (show_text) {
// Display from the bottom up, until we hit the top of the screen, the
// bottom of the foreground, or we've displayed the entire text buffer.
SetColor(LOG);
int row = (text_rows_ - 1) % text_rows_;
size_t count = 0;
for (int ty = gr_fb_height() - kMarginHeight - char_height_; ty >= y && count < text_rows_;
ty -= char_height_, ++count) {
DrawTextLine(kMarginWidth, ty, text_[row], false);
--row;
if (row < 0) row = text_rows_ - 1;
}
}
}
}
// Redraw everything on the screen and flip the screen (make it visible).
// Should only be called with updateMutex locked.
void ScreenRecoveryUI::update_screen_locked() {
draw_screen_locked();
gr_flip();
}
// Updates only the progress bar, if possible, otherwise redraws the screen.
// Should only be called with updateMutex locked.
void ScreenRecoveryUI::update_progress_locked() {
if (!pagesIdentical) {
draw_screen_locked();
pagesIdentical = true;
} else {
int y = kMarginHeight;
draw_foreground_locked(y);
}
gr_flip();
}
// Keeps the progress bar updated, even when the process is otherwise busy.
void* ScreenRecoveryUI::ProgressThreadStartRoutine(void* data) {
reinterpret_cast<ScreenRecoveryUI*>(data)->ProgressThreadLoop();
return nullptr;
}
void ScreenRecoveryUI::ProgressThreadLoop() {
int loop_frame_next_blink = rand()%(120 + 1) + 30;
int counter = 0;
int blink_counter = 0;
double interval = 1.0 / kAnimationFps;
while (true) {
double start = now();
pthread_mutex_lock(&updateMutex);
bool redraw = false;
// update the installation animation, if active
// skip this if we have a text overlay (too expensive to update)
if ((currentIcon == INSTALLING_UPDATE || currentIcon == ERASING)) {
if (!intro_done) {
if (current_frame == intro_frames - 1) {
intro_done = true;
current_frame = 0;
} else {
++current_frame;
}
} else {
if(counter > loop_frame_next_blink) {
// make Yumi close its eyes
if(blink_counter < 3)
current_frame = 2; // half closed
if(blink_counter < 5)
current_frame = 3; // full closed
if(blink_counter < 7)
current_frame = 4; // full closed
if(blink_counter < 9)
current_frame = 3; // half opened
if(blink_counter >= 10) {
counter = 0;
blink_counter = 0;
loop_frame_next_blink = rand()%(120 + 1) + 30;
}
else {
blink_counter++;
}
} else {
current_frame = (current_frame + 1) % loop_frames;
// just switch between the first two frames
if(current_frame > 1)
current_frame = 0;
counter++;
}
}
redraw = true;
}
// move the progress bar forward on timed intervals, if configured
int duration = progressScopeDuration;
if (progressBarType == DETERMINATE && duration > 0) {
double elapsed = now() - progressScopeTime;
float p = 1.0 * elapsed / duration;
if (p > 1.0) p = 1.0;
if (p > progress) {
progress = p;
redraw = true;
}
}
if (redraw) update_progress_locked();
pthread_mutex_unlock(&updateMutex);
if (progressBarType == EMPTY) break;
double end = now();
// minimum of 20ms delay between frames
double delay = interval - (end - start);
if (delay < 0.02) delay = 0.02;
usleep(static_cast<useconds_t>(delay * 1000000));
}
}
void ScreenRecoveryUI::LoadBitmap(const char* filename, GRSurface** surface) {
int result = res_create_display_surface(filename, surface);
if (result < 0) {
LOG(ERROR) << "couldn't load bitmap " << filename << " (error " << result << ")";
}
}
void ScreenRecoveryUI::FreeBitmap(GRSurface* surface) {
res_free_surface(surface);
}
void ScreenRecoveryUI::LoadLocalizedBitmap(const char* filename, GRSurface** surface) {
int result = res_create_localized_alpha_surface(filename, locale_.c_str(), surface);
if (result < 0) {
LOG(ERROR) << "couldn't load bitmap " << filename << " (error " << result << ")";
}
}
static char** Alloc2d(size_t rows, size_t cols) {
char** result = new char*[rows];
for (size_t i = 0; i < rows; ++i) {
result[i] = new char[cols];
memset(result[i], 0, cols);
}
return result;
}
// Choose the right background string to display during update.
void ScreenRecoveryUI::SetSystemUpdateText(bool security_update) {
if (security_update) {
LoadLocalizedBitmap("installing_security_text", &installing_text);
} else {
LoadLocalizedBitmap("installing_text", &installing_text);
}
}
bool ScreenRecoveryUI::InitTextParams() {
if (gr_init() < 0) {
return false;
}
gr_font_size(gr_sys_font(), &char_width_, &char_height_);
gr_font_size(gr_menu_font(), &menu_char_width_, &menu_char_height_);
text_rows_ = (ScreenHeight() - kMarginHeight * 2) / char_height_;
text_cols_ = (ScreenWidth() - kMarginWidth * 2) / char_width_;
return true;
}
bool ScreenRecoveryUI::Init(const std::string& locale) {
RecoveryUI::Init(locale);
if (!InitTextParams()) {
return false;
}
#ifdef RECOVERY_UI_BLANK_UNBLANK_ON_INIT
gr_fb_blank(true);
gr_fb_blank(false);
#endif
// Are we portrait or landscape?
layout_ = (gr_fb_width() > gr_fb_height()) ? LANDSCAPE : PORTRAIT;
// Are we the large variant of our base layout?
if (gr_fb_height() > PixelsFromDp(800)) ++layout_;
text_ = Alloc2d(text_rows_, text_cols_ + 1);
file_viewer_text_ = Alloc2d(text_rows_, text_cols_ + 1);
text_row_ = text_rows_ - 1; // Printed text grows bottom up
text_col_ = 0;
// Set up the locale info.
SetLocale(locale);
// Load logo and scale it if necessary
// Note 2/45 is our standard margin on each side so the maximum image
// width is 41/45 of the screen width.
GRSurface* image;
LoadBitmap("logo_image", &image);
if ((int)gr_get_width(image) > gr_fb_width() * 41 / 45) {
float scale = (float)gr_fb_width() / (float)gr_get_width(image) * (41.0f / 45.0f);
GRSurface* scaled_image;
res_create_scaled_surface(&scaled_image, image, scale, scale);
logo_image = scaled_image;
res_free_surface(image);
} else {
logo_image = image;
}
LoadBitmap("ic_back", &ic_back);
LoadBitmap("ic_back_sel", &ic_back_sel);
LoadBitmap("icon_error", &error_icon);
LoadBitmap("progress_empty", &progressBarEmpty);
LoadBitmap("progress_fill", &progressBarFill);
LoadBitmap("stage_empty", &stageMarkerEmpty);
LoadBitmap("stage_fill", &stageMarkerFill);
// Background text for "installing_update" could be "installing update"
// or "installing security update". It will be set after UI init according
// to commands in BCB.
installing_text = nullptr;
LoadLocalizedBitmap("erasing_text", &erasing_text);
LoadLocalizedBitmap("no_command_text", &no_command_text);
LoadLocalizedBitmap("error_text", &error_text);
LoadAnimation();
return true;
}
void ScreenRecoveryUI::Stop() {
RecoveryUI::Stop();
gr_fb_blank(true);
}
void ScreenRecoveryUI::LoadAnimation() {
std::unique_ptr<DIR, decltype(&closedir)> dir(opendir("/res/images"), closedir);
dirent* de;
std::vector<std::string> intro_frame_names;
std::vector<std::string> loop_frame_names;
while ((de = readdir(dir.get())) != nullptr) {
int value, num_chars;
if (sscanf(de->d_name, "intro%d%n.png", &value, &num_chars) == 1) {
intro_frame_names.emplace_back(de->d_name, num_chars);
} else if (sscanf(de->d_name, "loop%d%n.png", &value, &num_chars) == 1) {
loop_frame_names.emplace_back(de->d_name, num_chars);
}
}
intro_frames = intro_frame_names.size();
loop_frames = loop_frame_names.size();