Move librecovery_ui to a sub-directory
This helps to expose librecovery_ui for device specific RecoveryUi.
Bug: 76436783
Test: mma, unit tests pass
Change-Id: Ic6c3d301d5833e4a592e6ea9d9d059bc4e4919be
diff --git a/recovery_ui/screen_ui.cpp b/recovery_ui/screen_ui.cpp
new file mode 100644
index 0000000..870db62
--- /dev/null
+++ b/recovery_ui/screen_ui.cpp
@@ -0,0 +1,1334 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#include "recovery_ui/screen_ui.h"
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.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 <algorithm>
+#include <chrono>
+#include <memory>
+#include <string>
+#include <thread>
+#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 "otautil/paths.h"
+#include "recovery_ui/device.h"
+#include "recovery_ui/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;
+}
+
+Menu::Menu(size_t initial_selection, const DrawInterface& draw_func)
+ : selection_(initial_selection), draw_funcs_(draw_func) {}
+
+size_t Menu::selection() const {
+ return selection_;
+}
+
+TextMenu::TextMenu(bool scrollable, size_t max_items, size_t max_length,
+ const std::vector<std::string>& headers, const std::vector<std::string>& items,
+ size_t initial_selection, int char_height, const DrawInterface& draw_funcs)
+ : Menu(initial_selection, draw_funcs),
+ scrollable_(scrollable),
+ max_display_items_(max_items),
+ max_item_length_(max_length),
+ text_headers_(headers),
+ menu_start_(0),
+ char_height_(char_height) {
+ CHECK_LE(max_items, static_cast<size_t>(std::numeric_limits<int>::max()));
+
+ // It's fine to have more entries than text_rows_ if scrollable menu is supported.
+ size_t items_count = scrollable_ ? items.size() : std::min(items.size(), max_display_items_);
+ for (size_t i = 0; i < items_count; ++i) {
+ text_items_.emplace_back(items[i].substr(0, max_item_length_));
+ }
+
+ CHECK(!text_items_.empty());
+}
+
+const std::vector<std::string>& TextMenu::text_headers() const {
+ return text_headers_;
+}
+
+std::string TextMenu::TextItem(size_t index) const {
+ CHECK_LT(index, text_items_.size());
+
+ return text_items_[index];
+}
+
+size_t TextMenu::MenuStart() const {
+ return menu_start_;
+}
+
+size_t TextMenu::MenuEnd() const {
+ return std::min(ItemsCount(), menu_start_ + max_display_items_);
+}
+
+size_t TextMenu::ItemsCount() const {
+ return text_items_.size();
+}
+
+bool TextMenu::ItemsOverflow(std::string* cur_selection_str) const {
+ if (!scrollable_ || ItemsCount() <= max_display_items_) {
+ return false;
+ }
+
+ *cur_selection_str =
+ android::base::StringPrintf("Current item: %zu/%zu", selection_ + 1, ItemsCount());
+ return true;
+}
+
+// TODO(xunchang) modify the function parameters to button up & down.
+int TextMenu::Select(int sel) {
+ CHECK_LE(ItemsCount(), static_cast<size_t>(std::numeric_limits<int>::max()));
+ int count = ItemsCount();
+
+ // Wraps the selection at boundary if the menu is not scrollable.
+ if (!scrollable_) {
+ if (sel < 0) {
+ selection_ = count - 1;
+ } else if (sel >= count) {
+ selection_ = 0;
+ } else {
+ selection_ = sel;
+ }
+
+ return selection_;
+ }
+
+ if (sel < 0) {
+ selection_ = 0;
+ } else if (sel >= count) {
+ selection_ = count - 1;
+ } else {
+ if (static_cast<size_t>(sel) < menu_start_) {
+ menu_start_--;
+ } else if (static_cast<size_t>(sel) >= MenuEnd()) {
+ menu_start_++;
+ }
+ selection_ = sel;
+ }
+
+ return selection_;
+}
+
+int TextMenu::DrawHeader(int x, int y) const {
+ int offset = 0;
+
+ draw_funcs_.SetColor(UIElement::HEADER);
+ if (!scrollable()) {
+ offset += draw_funcs_.DrawWrappedTextLines(x, y + offset, text_headers());
+ } else {
+ offset += draw_funcs_.DrawTextLines(x, y + offset, text_headers());
+ // Show the current menu item number in relation to total number if items don't fit on the
+ // screen.
+ std::string cur_selection_str;
+ if (ItemsOverflow(&cur_selection_str)) {
+ offset += draw_funcs_.DrawTextLine(x, y + offset, cur_selection_str, true);
+ }
+ }
+
+ return offset;
+}
+
+int TextMenu::DrawItems(int x, int y, int screen_width, bool long_press) const {
+ int offset = 0;
+
+ draw_funcs_.SetColor(UIElement::MENU);
+ // Do not draw the horizontal rule for wear devices.
+ if (!scrollable()) {
+ offset += draw_funcs_.DrawHorizontalRule(y + offset) + 4;
+ }
+ for (size_t i = MenuStart(); i < MenuEnd(); ++i) {
+ bool bold = false;
+ if (i == selection()) {
+ // Draw the highlight bar.
+ draw_funcs_.SetColor(long_press ? UIElement::MENU_SEL_BG_ACTIVE : UIElement::MENU_SEL_BG);
+
+ int bar_height = char_height_ + 4;
+ draw_funcs_.DrawHighlightBar(0, y + offset - 2, screen_width, bar_height);
+
+ // Bold white text for the selected item.
+ draw_funcs_.SetColor(UIElement::MENU_SEL_FG);
+ bold = true;
+ }
+ offset += draw_funcs_.DrawTextLine(x, y + offset, TextItem(i), bold);
+
+ draw_funcs_.SetColor(UIElement::MENU);
+ }
+ offset += draw_funcs_.DrawHorizontalRule(y + offset);
+
+ return offset;
+}
+
+GraphicMenu::GraphicMenu(const GRSurface* graphic_headers,
+ const std::vector<const GRSurface*>& graphic_items,
+ size_t initial_selection, const DrawInterface& draw_funcs)
+ : Menu(initial_selection, draw_funcs) {
+ graphic_headers_ = graphic_headers->Clone();
+ graphic_items_.reserve(graphic_items.size());
+ for (const auto& item : graphic_items) {
+ graphic_items_.emplace_back(item->Clone());
+ }
+}
+
+int GraphicMenu::Select(int sel) {
+ CHECK_LE(graphic_items_.size(), static_cast<size_t>(std::numeric_limits<int>::max()));
+ int count = graphic_items_.size();
+
+ // Wraps the selection at boundary if the menu is not scrollable.
+ if (sel < 0) {
+ selection_ = count - 1;
+ } else if (sel >= count) {
+ selection_ = 0;
+ } else {
+ selection_ = sel;
+ }
+
+ return selection_;
+}
+
+int GraphicMenu::DrawHeader(int x, int y) const {
+ draw_funcs_.SetColor(UIElement::HEADER);
+ draw_funcs_.DrawTextIcon(x, y, graphic_headers_.get());
+ return graphic_headers_->height;
+}
+
+int GraphicMenu::DrawItems(int x, int y, int screen_width, bool long_press) const {
+ int offset = 0;
+
+ draw_funcs_.SetColor(UIElement::MENU);
+ offset += draw_funcs_.DrawHorizontalRule(y + offset) + 4;
+
+ for (size_t i = 0; i < graphic_items_.size(); i++) {
+ auto& item = graphic_items_[i];
+ if (i == selection_) {
+ draw_funcs_.SetColor(long_press ? UIElement::MENU_SEL_BG_ACTIVE : UIElement::MENU_SEL_BG);
+
+ int bar_height = item->height + 4;
+ draw_funcs_.DrawHighlightBar(0, y + offset - 2, screen_width, bar_height);
+
+ // Bold white text for the selected item.
+ draw_funcs_.SetColor(UIElement::MENU_SEL_FG);
+ }
+ draw_funcs_.DrawTextIcon(x, y + offset, item.get());
+ offset += item->height;
+
+ draw_funcs_.SetColor(UIElement::MENU);
+ }
+ offset += draw_funcs_.DrawHorizontalRule(y + offset);
+
+ return offset;
+}
+
+bool GraphicMenu::Validate(size_t max_width, size_t max_height, const GRSurface* graphic_headers,
+ const std::vector<const GRSurface*>& graphic_items) {
+ int offset = 0;
+ if (!ValidateGraphicSurface(max_width, max_height, offset, graphic_headers)) {
+ return false;
+ }
+ offset += graphic_headers->height;
+
+ for (const auto& item : graphic_items) {
+ if (!ValidateGraphicSurface(max_width, max_height, offset, item)) {
+ return false;
+ }
+ offset += item->height;
+ }
+
+ return true;
+}
+
+bool GraphicMenu::ValidateGraphicSurface(size_t max_width, size_t max_height, int y,
+ const GRSurface* surface) {
+ if (!surface) {
+ fprintf(stderr, "Graphic surface can not be null\n");
+ return false;
+ }
+
+ if (surface->pixel_bytes != 1 || surface->width != surface->row_bytes) {
+ fprintf(stderr, "Invalid graphic surface, pixel bytes: %zu, width: %zu row_bytes: %zu\n",
+ surface->pixel_bytes, surface->width, surface->row_bytes);
+ return false;
+ }
+
+ if (surface->width > max_width || surface->height > max_height - y) {
+ fprintf(stderr,
+ "Graphic surface doesn't fit into the screen. width: %zu, height: %zu, max_width: %zu,"
+ " max_height: %zu, vertical offset: %d\n",
+ surface->width, surface->height, max_width, max_height, y);
+ return false;
+ }
+
+ return true;
+}
+
+ScreenRecoveryUI::ScreenRecoveryUI() : ScreenRecoveryUI(false) {}
+
+constexpr int kDefaultMarginHeight = 0;
+constexpr int kDefaultMarginWidth = 0;
+constexpr int kDefaultAnimationFps = 30;
+
+ScreenRecoveryUI::ScreenRecoveryUI(bool scrollable_menu)
+ : margin_width_(
+ android::base::GetIntProperty("ro.recovery.ui.margin_width", kDefaultMarginWidth)),
+ margin_height_(
+ android::base::GetIntProperty("ro.recovery.ui.margin_height", kDefaultMarginHeight)),
+ animation_fps_(
+ android::base::GetIntProperty("ro.recovery.ui.animation_fps", kDefaultAnimationFps)),
+ density_(static_cast<float>(android::base::GetIntProperty("ro.sf.lcd_density", 160)) / 160.f),
+ current_icon_(NONE),
+ current_frame_(0),
+ intro_done_(false),
+ 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),
+ scrollable_menu_(scrollable_menu),
+ file_viewer_text_(nullptr),
+ stage(-1),
+ max_stage(-1),
+ locale_(""),
+ rtl_locale_(false) {}
+
+ScreenRecoveryUI::~ScreenRecoveryUI() {
+ progress_thread_stopped_ = true;
+ if (progress_thread_.joinable()) {
+ progress_thread_.join();
+ }
+ // No-op if gr_init() (via Init()) was not called or had failed.
+ gr_exit();
+}
+
+const GRSurface* ScreenRecoveryUI::GetCurrentFrame() const {
+ if (current_icon_ == INSTALLING_UPDATE || current_icon_ == ERASING) {
+ return intro_done_ ? loop_frames_[current_frame_].get() : intro_frames_[current_frame_].get();
+ }
+ return error_icon_.get();
+}
+
+const GRSurface* ScreenRecoveryUI::GetCurrentText() const {
+ switch (current_icon_) {
+ case ERASING:
+ return erasing_text_.get();
+ case ERROR:
+ return error_text_.get();
+ case INSTALLING_UPDATE:
+ return installing_text_.get();
+ case NO_COMMAND:
+ return no_command_text_.get();
+ case NONE:
+ abort();
+ }
+}
+
+int ScreenRecoveryUI::PixelsFromDp(int dp) const {
+ return dp * density_;
+}
+
+// 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(loop_frames_[0].get());
+}
+
+int ScreenRecoveryUI::GetTextBaseline() const {
+ return GetProgressBaseline() - PixelsFromDp(kLayouts[layout_][TEXT]) -
+ gr_get_height(installing_text_.get());
+}
+
+int ScreenRecoveryUI::GetProgressBaseline() const {
+ int elements_sum = gr_get_height(loop_frames_[0].get()) + PixelsFromDp(kLayouts[layout_][ICON]) +
+ gr_get_height(installing_text_.get()) + PixelsFromDp(kLayouts[layout_][TEXT]) +
+ gr_get_height(progress_bar_fill_.get());
+ int bottom_gap = (ScreenHeight() - elements_sum) / 2;
+ return ScreenHeight() - bottom_gap - gr_get_height(progress_bar_fill_.get());
+}
+
+// Clear the screen and draw the currently selected background icon (if any).
+// Should only be called with updateMutex locked.
+void ScreenRecoveryUI::draw_background_locked() {
+ pagesIdentical = false;
+ gr_color(0, 0, 0, 255);
+ gr_clear();
+ if (current_icon_ != NONE) {
+ if (max_stage != -1) {
+ int stage_height = gr_get_height(stage_marker_empty_.get());
+ int stage_width = gr_get_width(stage_marker_empty_.get());
+ int x = (ScreenWidth() - max_stage * gr_get_width(stage_marker_empty_.get())) / 2;
+ int y = ScreenHeight() - stage_height - margin_height_;
+ for (int i = 0; i < max_stage; ++i) {
+ const auto& stage_surface = (i < stage) ? stage_marker_fill_ : stage_marker_empty_;
+ DrawSurface(stage_surface.get(), 0, 0, stage_width, stage_height, x, y);
+ x += stage_width;
+ }
+ }
+
+ const auto& text_surface = GetCurrentText();
+ int text_x = (ScreenWidth() - gr_get_width(text_surface)) / 2;
+ int text_y = GetTextBaseline();
+ gr_color(255, 255, 255, 255);
+ DrawTextIcon(text_x, text_y, text_surface);
+ }
+}
+
+// Draws the animation and progress bar (if any) on the screen. Does not flip pages. Should only be
+// called with updateMutex locked.
+void ScreenRecoveryUI::draw_foreground_locked() {
+ if (current_icon_ != NONE) {
+ const auto& frame = GetCurrentFrame();
+ int frame_width = gr_get_width(frame);
+ int frame_height = gr_get_height(frame);
+ int frame_x = (ScreenWidth() - frame_width) / 2;
+ int frame_y = GetAnimationBaseline();
+ DrawSurface(frame, 0, 0, frame_width, frame_height, frame_x, frame_y);
+ }
+
+ if (progressBarType != EMPTY) {
+ int width = gr_get_width(progress_bar_empty_.get());
+ int height = gr_get_height(progress_bar_empty_.get());
+
+ int progress_x = (ScreenWidth() - width) / 2;
+ int progress_y = 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(progress_bar_fill_.get(), width - pos, 0, pos, height,
+ progress_x + width - pos, progress_y);
+ }
+ if (pos < width - 1) {
+ DrawSurface(progress_bar_empty_.get(), 0, 0, width - pos, height, progress_x, progress_y);
+ }
+ } else {
+ // Fill the progress bar from left to right.
+ if (pos > 0) {
+ DrawSurface(progress_bar_fill_.get(), 0, 0, pos, height, progress_x, progress_y);
+ }
+ if (pos < width - 1) {
+ DrawSurface(progress_bar_empty_.get(), pos, 0, width - pos, height, progress_x + pos,
+ progress_y);
+ }
+ }
+ }
+ }
+}
+
+void ScreenRecoveryUI::SetColor(UIElement e) const {
+ switch (e) {
+ case UIElement::INFO:
+ gr_color(249, 194, 0, 255);
+ break;
+ case UIElement::HEADER:
+ gr_color(247, 0, 6, 255);
+ break;
+ case UIElement::MENU:
+ case UIElement::MENU_SEL_BG:
+ gr_color(0, 106, 157, 255);
+ break;
+ case UIElement::MENU_SEL_BG_ACTIVE:
+ gr_color(0, 156, 100, 255);
+ break;
+ case UIElement::MENU_SEL_FG:
+ gr_color(255, 255, 255, 255);
+ break;
+ case UIElement::LOG:
+ gr_color(196, 196, 196, 255);
+ break;
+ case UIElement::TEXT_FILL:
+ gr_color(0, 0, 0, 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>> surfaces;
+ for (const auto& name : text_name) {
+ auto text_image = LoadLocalizedBitmap(name);
+ if (!text_image) {
+ Print("Failed to load %s\n", name.c_str());
+ return;
+ }
+ surfaces.emplace(name, std::move(text_image));
+ }
+
+ std::lock_guard<std::mutex> lg(updateMutex);
+ gr_color(0, 0, 0, 255);
+ gr_clear();
+
+ int text_y = margin_height_;
+ int text_x = margin_width_;
+ int line_spacing = gr_sys_font()->char_height; // Put some extra space between images.
+ // Write the header and descriptive texts.
+ SetColor(UIElement::INFO);
+ std::string header = "Show background text image";
+ text_y += DrawTextLine(text_x, text_y, header, true);
+ std::string locale_selection = android::base::StringPrintf(
+ "Current locale: %s, %zu/%zu", locales_entries[sel].c_str(), sel + 1, locales_entries.size());
+ // clang-format off
+ std::vector<std::string> instruction = {
+ locale_selection,
+ "Use volume up/down to switch locales and power to exit."
+ };
+ // clang-format on
+ 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(UIElement::LOG);
+ text_y += DrawTextLine(text_x, text_y, p.first, 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();
+}
+
+void ScreenRecoveryUI::CheckBackgroundTextImages() {
+ // 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;
+ }
+ std::string saved_locale = locale_;
+ size_t selected = 0;
+ SelectAndShowBackgroundText(locales_entries, selected);
+
+ FlushKeys();
+ while (true) {
+ int key = WaitKey();
+ if (key == static_cast<int>(KeyError::INTERRUPTED)) break;
+ if (key == KEY_POWER || key == KEY_ENTER) {
+ break;
+ } else if (key == KEY_UP || key == KEY_VOLUMEUP) {
+ selected = (selected == 0) ? locales_entries.size() - 1 : selected - 1;
+ SelectAndShowBackgroundText(locales_entries, selected);
+ } else if (key == KEY_DOWN || 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(const 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, const GRSurface* surface) const {
+ gr_texticon(x, y, surface);
+}
+
+int ScreenRecoveryUI::DrawTextLine(int x, int y, const std::string& line, bool bold) const {
+ gr_text(gr_sys_font(), x, y, line.c_str(), bold);
+ return char_height_ + 4;
+}
+
+int ScreenRecoveryUI::DrawTextLines(int x, int y, const std::vector<std::string>& lines) const {
+ int offset = 0;
+ for (const auto& line : lines) {
+ offset += DrawTextLine(x, y + offset, line, false);
+ }
+ return offset;
+}
+
+int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y,
+ const std::vector<std::string>& lines) const {
+ // Keep symmetrical margins based on the given offset (i.e. x).
+ size_t text_cols = (ScreenWidth() - x * 2) / char_width_;
+ int offset = 0;
+ for (const auto& line : lines) {
+ 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;
+ }
+ }
+ offset += DrawTextLine(x, y + offset, sub, false);
+ }
+ }
+ return offset;
+}
+
+void ScreenRecoveryUI::SetTitle(const std::vector<std::string>& lines) {
+ title_lines_ = lines;
+}
+
+// Redraws everything on the screen. Does not flip pages. Should only be called with updateMutex
+// locked.
+void ScreenRecoveryUI::draw_screen_locked() {
+ if (!show_text) {
+ draw_background_locked();
+ draw_foreground_locked();
+ return;
+ }
+
+ gr_color(0, 0, 0, 255);
+ gr_clear();
+
+ // clang-format off
+ static std::vector<std::string> REGULAR_HELP{
+ "Use volume up/down and power.",
+ };
+ static std::vector<std::string> LONG_PRESS_HELP{
+ "Any button cycles highlight.",
+ "Long-press activates.",
+ };
+ // clang-format on
+ draw_menu_and_text_buffer_locked(HasThreeButtons() ? REGULAR_HELP : LONG_PRESS_HELP);
+}
+
+// Draws the menu and text buffer on the screen. Should only be called with updateMutex locked.
+void ScreenRecoveryUI::draw_menu_and_text_buffer_locked(
+ const std::vector<std::string>& help_message) {
+ int y = margin_height_;
+
+ if (fastbootd_logo_ && fastbootd_logo_enabled_) {
+ // Try to get this centered on screen.
+ auto width = gr_get_width(fastbootd_logo_.get());
+ auto height = gr_get_height(fastbootd_logo_.get());
+ auto centered_x = ScreenWidth() / 2 - width / 2;
+ DrawSurface(fastbootd_logo_.get(), 0, 0, width, height, centered_x, y);
+ y += height;
+ }
+
+ if (menu_) {
+ int x = margin_width_ + kMenuIndent;
+
+ SetColor(UIElement::INFO);
+
+ for (size_t i = 0; i < title_lines_.size(); i++) {
+ y += DrawTextLine(x, y, title_lines_[i], i == 0);
+ }
+
+ y += DrawTextLines(x, y, help_message);
+
+ y += menu_->DrawHeader(x, y);
+ y += menu_->DrawItems(x, y, ScreenWidth(), IsLongPress());
+ }
+
+ // Display from the bottom up, until we hit the top of the screen, the bottom of the menu, or
+ // we've displayed the entire text buffer.
+ SetColor(UIElement::LOG);
+ int row = text_row_;
+ size_t count = 0;
+ for (int ty = ScreenHeight() - margin_height_ - char_height_; ty >= y && count < text_rows_;
+ ty -= char_height_, ++count) {
+ DrawTextLine(margin_width_, 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 (show_text || !pagesIdentical) {
+ draw_screen_locked(); // Must redraw the whole screen
+ pagesIdentical = true;
+ } else {
+ draw_foreground_locked(); // Draw only the progress bar and overlays
+ }
+ gr_flip();
+}
+
+void ScreenRecoveryUI::ProgressThreadLoop() {
+ double interval = 1.0 / animation_fps_;
+ while (!progress_thread_stopped_) {
+ double start = now();
+ bool redraw = false;
+ {
+ std::lock_guard<std::mutex> lg(updateMutex);
+
+ // update the installation animation, if active
+ // skip this if we have a text overlay (too expensive to update)
+ if ((current_icon_ == INSTALLING_UPDATE || current_icon_ == ERASING) && !show_text) {
+ if (!intro_done_) {
+ if (current_frame_ == intro_frames_.size() - 1) {
+ intro_done_ = true;
+ current_frame_ = 0;
+ } else {
+ ++current_frame_;
+ }
+ } else {
+ current_frame_ = (current_frame_ + 1) % loop_frames_.size();
+ }
+
+ 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();
+ }
+
+ 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));
+ }
+}
+
+std::unique_ptr<GRSurface> ScreenRecoveryUI::LoadBitmap(const std::string& filename) {
+ GRSurface* surface;
+ if (auto result = res_create_display_surface(filename.c_str(), &surface); result < 0) {
+ LOG(ERROR) << "Failed to load bitmap " << filename << " (error " << result << ")";
+ return nullptr;
+ }
+ return std::unique_ptr<GRSurface>(surface);
+}
+
+std::unique_ptr<GRSurface> ScreenRecoveryUI::LoadLocalizedBitmap(const std::string& filename) {
+ GRSurface* surface;
+ if (auto result = res_create_localized_alpha_surface(filename.c_str(), locale_.c_str(), &surface);
+ result < 0) {
+ LOG(ERROR) << "Failed to load bitmap " << filename << " (error " << result << ")";
+ return nullptr;
+ }
+ return std::unique_ptr<GRSurface>(surface);
+}
+
+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) {
+ installing_text_ = LoadLocalizedBitmap("installing_security_text");
+ } else {
+ installing_text_ = LoadLocalizedBitmap("installing_text");
+ }
+ Redraw();
+}
+
+bool ScreenRecoveryUI::InitTextParams() {
+ // gr_init() would return successfully on font initialization failure.
+ if (gr_sys_font() == nullptr) {
+ return false;
+ }
+ gr_font_size(gr_sys_font(), &char_width_, &char_height_);
+ text_rows_ = (ScreenHeight() - margin_height_ * 2) / char_height_;
+ text_cols_ = (ScreenWidth() - margin_width_ * 2) / char_width_;
+ return true;
+}
+
+bool ScreenRecoveryUI::LoadWipeDataMenuText() {
+ // Ignores the errors since the member variables will stay as nullptr.
+ cancel_wipe_data_text_ = LoadLocalizedBitmap("cancel_wipe_data_text");
+ factory_data_reset_text_ = LoadLocalizedBitmap("factory_data_reset_text");
+ try_again_text_ = LoadLocalizedBitmap("try_again_text");
+ wipe_data_confirmation_text_ = LoadLocalizedBitmap("wipe_data_confirmation_text");
+ wipe_data_menu_header_text_ = LoadLocalizedBitmap("wipe_data_menu_header_text");
+ return true;
+}
+
+bool ScreenRecoveryUI::Init(const std::string& locale) {
+ RecoveryUI::Init(locale);
+
+ if (gr_init() == -1) {
+ return false;
+ }
+
+ if (!InitTextParams()) {
+ return false;
+ }
+
+ // 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_col_ = text_row_ = 0;
+
+ // Set up the locale info.
+ SetLocale(locale);
+
+ error_icon_ = LoadBitmap("icon_error");
+
+ progress_bar_empty_ = LoadBitmap("progress_empty");
+ progress_bar_fill_ = LoadBitmap("progress_fill");
+ stage_marker_empty_ = LoadBitmap("stage_empty");
+ stage_marker_fill_ = LoadBitmap("stage_fill");
+
+ erasing_text_ = LoadLocalizedBitmap("erasing_text");
+ no_command_text_ = LoadLocalizedBitmap("no_command_text");
+ error_text_ = LoadLocalizedBitmap("error_text");
+
+ if (android::base::GetBoolProperty("ro.boot.dynamic_partitions", false)) {
+ fastbootd_logo_ = LoadBitmap("fastbootd");
+ }
+
+ // Background text for "installing_update" could be "installing update" or
+ // "installing security update". It will be set after Init() according to the commands in BCB.
+ installing_text_.reset();
+
+ LoadWipeDataMenuText();
+
+ LoadAnimation();
+
+ // Keep the progress bar updated, even when the process is otherwise busy.
+ progress_thread_ = std::thread(&ScreenRecoveryUI::ProgressThreadLoop, this);
+
+ return true;
+}
+
+std::string ScreenRecoveryUI::GetLocale() const {
+ return locale_;
+}
+
+void ScreenRecoveryUI::LoadAnimation() {
+ std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(Paths::Get().resource_dir().c_str()),
+ 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);
+ }
+ }
+
+ size_t intro_frames = intro_frame_names.size();
+ size_t loop_frames = loop_frame_names.size();
+
+ // It's okay to not have an intro.
+ if (intro_frames == 0) intro_done_ = true;
+ // But you must have an animation.
+ if (loop_frames == 0) abort();
+
+ std::sort(intro_frame_names.begin(), intro_frame_names.end());
+ std::sort(loop_frame_names.begin(), loop_frame_names.end());
+
+ intro_frames_.clear();
+ intro_frames_.reserve(intro_frames);
+ for (const auto& frame_name : intro_frame_names) {
+ intro_frames_.emplace_back(LoadBitmap(frame_name));
+ }
+
+ loop_frames_.clear();
+ loop_frames_.reserve(loop_frames);
+ for (const auto& frame_name : loop_frame_names) {
+ loop_frames_.emplace_back(LoadBitmap(frame_name));
+ }
+}
+
+void ScreenRecoveryUI::SetBackground(Icon icon) {
+ std::lock_guard<std::mutex> lg(updateMutex);
+
+ current_icon_ = icon;
+ update_screen_locked();
+}
+
+void ScreenRecoveryUI::SetProgressType(ProgressType type) {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ if (progressBarType != type) {
+ progressBarType = type;
+ }
+ progressScopeStart = 0;
+ progressScopeSize = 0;
+ progress = 0;
+ update_progress_locked();
+}
+
+void ScreenRecoveryUI::ShowProgress(float portion, float seconds) {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ progressBarType = DETERMINATE;
+ progressScopeStart += progressScopeSize;
+ progressScopeSize = portion;
+ progressScopeTime = now();
+ progressScopeDuration = seconds;
+ progress = 0;
+ update_progress_locked();
+}
+
+void ScreenRecoveryUI::SetProgress(float fraction) {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ if (fraction < 0.0) fraction = 0.0;
+ if (fraction > 1.0) fraction = 1.0;
+ if (progressBarType == DETERMINATE && fraction > progress) {
+ // Skip updates that aren't visibly different.
+ int width = gr_get_width(progress_bar_empty_.get());
+ float scale = width * progressScopeSize;
+ if ((int)(progress * scale) != (int)(fraction * scale)) {
+ progress = fraction;
+ update_progress_locked();
+ }
+ }
+}
+
+void ScreenRecoveryUI::SetStage(int current, int max) {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ stage = current;
+ max_stage = max;
+}
+
+void ScreenRecoveryUI::PrintV(const char* fmt, bool copy_to_stdout, va_list ap) {
+ std::string str;
+ android::base::StringAppendV(&str, fmt, ap);
+
+ if (copy_to_stdout) {
+ fputs(str.c_str(), stdout);
+ }
+
+ std::lock_guard<std::mutex> lg(updateMutex);
+ if (text_rows_ > 0 && text_cols_ > 0) {
+ for (const char* ptr = str.c_str(); *ptr != '\0'; ++ptr) {
+ if (*ptr == '\n' || text_col_ >= text_cols_) {
+ text_[text_row_][text_col_] = '\0';
+ text_col_ = 0;
+ text_row_ = (text_row_ + 1) % text_rows_;
+ }
+ if (*ptr != '\n') text_[text_row_][text_col_++] = *ptr;
+ }
+ text_[text_row_][text_col_] = '\0';
+ update_screen_locked();
+ }
+}
+
+void ScreenRecoveryUI::Print(const char* fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ PrintV(fmt, true, ap);
+ va_end(ap);
+}
+
+void ScreenRecoveryUI::PrintOnScreenOnly(const char* fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ PrintV(fmt, false, ap);
+ va_end(ap);
+}
+
+void ScreenRecoveryUI::PutChar(char ch) {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ if (ch != '\n') text_[text_row_][text_col_++] = ch;
+ if (ch == '\n' || text_col_ >= text_cols_) {
+ text_col_ = 0;
+ ++text_row_;
+ }
+}
+
+void ScreenRecoveryUI::ClearText() {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ text_col_ = 0;
+ text_row_ = 0;
+ for (size_t i = 0; i < text_rows_; ++i) {
+ memset(text_[i], 0, text_cols_ + 1);
+ }
+}
+
+void ScreenRecoveryUI::ShowFile(FILE* fp) {
+ std::vector<off_t> offsets;
+ offsets.push_back(ftello(fp));
+ ClearText();
+
+ struct stat sb;
+ fstat(fileno(fp), &sb);
+
+ bool show_prompt = false;
+ while (true) {
+ if (show_prompt) {
+ PrintOnScreenOnly("--(%d%% of %d bytes)--",
+ static_cast<int>(100 * (double(ftello(fp)) / double(sb.st_size))),
+ static_cast<int>(sb.st_size));
+ Redraw();
+ while (show_prompt) {
+ show_prompt = false;
+ int key = WaitKey();
+ if (key == static_cast<int>(KeyError::INTERRUPTED)) return;
+ if (key == KEY_POWER || key == KEY_ENTER) {
+ return;
+ } else if (key == KEY_UP || key == KEY_VOLUMEUP) {
+ if (offsets.size() <= 1) {
+ show_prompt = true;
+ } else {
+ offsets.pop_back();
+ fseek(fp, offsets.back(), SEEK_SET);
+ }
+ } else {
+ if (feof(fp)) {
+ return;
+ }
+ offsets.push_back(ftello(fp));
+ }
+ }
+ ClearText();
+ }
+
+ int ch = getc(fp);
+ if (ch == EOF) {
+ while (text_row_ < text_rows_ - 1) PutChar('\n');
+ show_prompt = true;
+ } else {
+ PutChar(ch);
+ if (text_col_ == 0 && text_row_ >= text_rows_ - 1) {
+ show_prompt = true;
+ }
+ }
+ }
+}
+
+void ScreenRecoveryUI::ShowFile(const std::string& filename) {
+ std::unique_ptr<FILE, decltype(&fclose)> fp(fopen(filename.c_str(), "re"), fclose);
+ if (!fp) {
+ Print(" Unable to open %s: %s\n", filename.c_str(), strerror(errno));
+ return;
+ }
+
+ char** old_text = text_;
+ size_t old_text_col = text_col_;
+ size_t old_text_row = text_row_;
+
+ // Swap in the alternate screen and clear it.
+ text_ = file_viewer_text_;
+ ClearText();
+
+ ShowFile(fp.get());
+
+ text_ = old_text;
+ text_col_ = old_text_col;
+ text_row_ = old_text_row;
+}
+
+std::unique_ptr<Menu> ScreenRecoveryUI::CreateMenu(
+ const GRSurface* graphic_header, const std::vector<const GRSurface*>& graphic_items,
+ const std::vector<std::string>& text_headers, const std::vector<std::string>& text_items,
+ size_t initial_selection) const {
+ // horizontal unusable area: margin width + menu indent
+ size_t max_width = ScreenWidth() - margin_width_ - kMenuIndent;
+ // vertical unusable area: margin height + title lines + helper message + high light bar.
+ // It is safe to reserve more space.
+ size_t max_height = ScreenHeight() - margin_height_ - char_height_ * (title_lines_.size() + 3);
+ if (GraphicMenu::Validate(max_width, max_height, graphic_header, graphic_items)) {
+ return std::make_unique<GraphicMenu>(graphic_header, graphic_items, initial_selection, *this);
+ }
+
+ fprintf(stderr, "Failed to initialize graphic menu, falling back to use the text menu.\n");
+
+ return CreateMenu(text_headers, text_items, initial_selection);
+}
+
+std::unique_ptr<Menu> ScreenRecoveryUI::CreateMenu(const std::vector<std::string>& text_headers,
+ const std::vector<std::string>& text_items,
+ size_t initial_selection) const {
+ if (text_rows_ > 0 && text_cols_ > 1) {
+ return std::make_unique<TextMenu>(scrollable_menu_, text_rows_, text_cols_ - 1, text_headers,
+ text_items, initial_selection, char_height_, *this);
+ }
+
+ fprintf(stderr, "Failed to create text menu, text_rows %zu, text_cols %zu.\n", text_rows_,
+ text_cols_);
+ return nullptr;
+}
+
+int ScreenRecoveryUI::SelectMenu(int sel) {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ if (menu_) {
+ int old_sel = menu_->selection();
+ sel = menu_->Select(sel);
+
+ if (sel != old_sel) {
+ update_screen_locked();
+ }
+ }
+ return sel;
+}
+
+size_t ScreenRecoveryUI::ShowMenu(std::unique_ptr<Menu>&& menu, bool menu_only,
+ const std::function<int(int, bool)>& key_handler) {
+ // Throw away keys pressed previously, so user doesn't accidentally trigger menu items.
+ FlushKeys();
+
+ // If there is a key interrupt in progress, return KeyError::INTERRUPTED without starting the
+ // menu.
+ if (IsKeyInterrupted()) return static_cast<size_t>(KeyError::INTERRUPTED);
+
+ CHECK(menu != nullptr);
+
+ // Starts and displays the menu
+ menu_ = std::move(menu);
+ Redraw();
+
+ int selected = menu_->selection();
+ int chosen_item = -1;
+ while (chosen_item < 0) {
+ int key = WaitKey();
+ if (key == static_cast<int>(KeyError::INTERRUPTED)) { // WaitKey() was interrupted.
+ return static_cast<size_t>(KeyError::INTERRUPTED);
+ }
+ if (key == static_cast<int>(KeyError::TIMED_OUT)) { // WaitKey() timed out.
+ if (WasTextEverVisible()) {
+ continue;
+ } else {
+ LOG(INFO) << "Timed out waiting for key input; rebooting.";
+ menu_.reset();
+ Redraw();
+ return static_cast<size_t>(KeyError::TIMED_OUT);
+ }
+ }
+
+ bool visible = IsTextVisible();
+ int action = key_handler(key, visible);
+ if (action < 0) {
+ switch (action) {
+ case Device::kHighlightUp:
+ selected = SelectMenu(--selected);
+ break;
+ case Device::kHighlightDown:
+ selected = SelectMenu(++selected);
+ break;
+ case Device::kInvokeItem:
+ chosen_item = selected;
+ break;
+ case Device::kNoAction:
+ break;
+ }
+ } else if (!menu_only) {
+ chosen_item = action;
+ }
+ }
+
+ menu_.reset();
+ Redraw();
+
+ return chosen_item;
+}
+
+size_t ScreenRecoveryUI::ShowMenu(const std::vector<std::string>& headers,
+ const std::vector<std::string>& items, size_t initial_selection,
+ bool menu_only,
+ const std::function<int(int, bool)>& key_handler) {
+ auto menu = CreateMenu(headers, items, initial_selection);
+ if (menu == nullptr) {
+ return initial_selection;
+ }
+
+ return ShowMenu(CreateMenu(headers, items, initial_selection), menu_only, key_handler);
+}
+
+size_t ScreenRecoveryUI::ShowPromptWipeDataMenu(const std::vector<std::string>& backup_headers,
+ const std::vector<std::string>& backup_items,
+ const std::function<int(int, bool)>& key_handler) {
+ auto wipe_data_menu = CreateMenu(wipe_data_menu_header_text_.get(),
+ { try_again_text_.get(), factory_data_reset_text_.get() },
+ backup_headers, backup_items, 0);
+ if (wipe_data_menu == nullptr) {
+ return 0;
+ }
+
+ return ShowMenu(std::move(wipe_data_menu), true, key_handler);
+}
+
+size_t ScreenRecoveryUI::ShowPromptWipeDataConfirmationMenu(
+ const std::vector<std::string>& backup_headers, const std::vector<std::string>& backup_items,
+ const std::function<int(int, bool)>& key_handler) {
+ auto confirmation_menu =
+ CreateMenu(wipe_data_confirmation_text_.get(),
+ { cancel_wipe_data_text_.get(), factory_data_reset_text_.get() }, backup_headers,
+ backup_items, 0);
+ if (confirmation_menu == nullptr) {
+ return 0;
+ }
+
+ return ShowMenu(std::move(confirmation_menu), true, key_handler);
+}
+
+bool ScreenRecoveryUI::IsTextVisible() {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ int visible = show_text;
+ return visible;
+}
+
+bool ScreenRecoveryUI::WasTextEverVisible() {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ int ever_visible = show_text_ever;
+ return ever_visible;
+}
+
+void ScreenRecoveryUI::ShowText(bool visible) {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ show_text = visible;
+ if (show_text) show_text_ever = true;
+ update_screen_locked();
+}
+
+void ScreenRecoveryUI::Redraw() {
+ std::lock_guard<std::mutex> lg(updateMutex);
+ update_screen_locked();
+}
+
+void ScreenRecoveryUI::KeyLongPress(int) {
+ // Redraw so that if we're in the menu, the highlight
+ // will change color to indicate a successful long press.
+ Redraw();
+}
+
+void ScreenRecoveryUI::SetLocale(const std::string& new_locale) {
+ locale_ = new_locale;
+ rtl_locale_ = false;
+
+ if (!new_locale.empty()) {
+ size_t separator = new_locale.find('-');
+ // lang has the language prefix prior to the separator, or full string if none exists.
+ std::string lang = new_locale.substr(0, separator);
+
+ // A bit cheesy: keep an explicit list of supported RTL languages.
+ if (lang == "ar" || // Arabic
+ lang == "fa" || // Persian (Farsi)
+ lang == "he" || // Hebrew (new language code)
+ lang == "iw" || // Hebrew (old language code)
+ lang == "ur") { // Urdu
+ rtl_locale_ = true;
+ }
+ }
+}