screen_ui: Use std::string in DrawTextLine() and siblings.
Test: mmma -j bootable/recovery
Test: Build and boot into recovery image on angler. Check the UI.
Test: Repeat the same test on devices using wearable UI.
Change-Id: I1a67ff4ae8de4d7a8dc66326cf07f95c89e95152
diff --git a/screen_ui.cpp b/screen_ui.cpp
index 00ed45d..d3f373e 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -372,19 +372,22 @@
// 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);
+ 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, locales_entries.size());
- const char* instruction[] = { locale_selection.c_str(),
- "Use volume up/down to switch locales and power to exit.",
- nullptr };
+ // 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(LOG);
- text_y += DrawTextLine(text_x, text_y, p.first.c_str(), false);
+ 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());
@@ -451,24 +454,23 @@
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);
+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 char* const* lines) const {
+int ScreenRecoveryUI::DrawTextLines(int x, int y, const std::vector<std::string>& lines) const {
int offset = 0;
- for (size_t i = 0; lines != nullptr && lines[i] != nullptr; ++i) {
- offset += DrawTextLine(x, y + offset, lines[i], false);
+ for (const auto& line : lines) {
+ offset += DrawTextLine(x, y + offset, line, false);
}
return offset;
}
-int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y, const char* const* lines) const {
+int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y,
+ const std::vector<std::string>& 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]);
+ 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);
@@ -478,7 +480,7 @@
// 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
+ // No space found, just draw as much as we can.
sub.resize(text_cols_);
next_start += text_cols_;
} else {
@@ -486,23 +488,12 @@
next_start += last_space + 1;
}
}
- offset += DrawTextLine(x, y + offset, sub.c_str(), false);
+ offset += DrawTextLine(x, y + offset, sub, false);
}
}
return offset;
}
-static const char* REGULAR_HELP[] = {
- "Use volume up/down and power.",
- nullptr,
-};
-
-static const char* LONG_PRESS_HELP[] = {
- "Any button cycles highlight.",
- "Long-press activates.",
- nullptr,
-};
-
// Redraws everything on the screen. Does not flip pages. Should only be called with updateMutex
// locked.
void ScreenRecoveryUI::draw_screen_locked() {
@@ -515,11 +506,21 @@
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 char* const* help_message) {
+void ScreenRecoveryUI::draw_menu_and_text_buffer_locked(
+ const std::vector<std::string>& help_message) {
int y = kMarginHeight;
if (menu_) {
static constexpr int kMenuIndent = 4;
@@ -530,22 +531,32 @@
std::string recovery_fingerprint =
android::base::GetProperty("ro.bootimage.build.fingerprint", "");
for (const auto& chunk : android::base::Split(recovery_fingerprint, ":")) {
- y += DrawTextLine(x, y, chunk.c_str(), false);
+ y += DrawTextLine(x, y, chunk, false);
}
y += DrawTextLines(x, y, help_message);
+ auto convert_to_vector = [](const char* const* items) -> std::vector<std::string> {
+ if (items == nullptr) return {};
+
+ std::vector<std::string> result;
+ for (size_t i = 0; items[i] != nullptr; ++i) {
+ result.emplace_back(items[i]);
+ }
+ return result;
+ };
+
// Draw menu header.
SetColor(HEADER);
if (!menu_->scrollable()) {
- y += DrawWrappedTextLines(x, y, menu_->text_headers());
+ y += DrawWrappedTextLines(x, y, convert_to_vector(menu_->text_headers()));
} else {
- y += DrawTextLines(x, y, menu_->text_headers());
+ y += DrawTextLines(x, y, convert_to_vector(menu_->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 (menu_->ItemsOverflow(&cur_selection_str)) {
- y += DrawTextLine(x, y, cur_selection_str.c_str(), true);
+ y += DrawTextLine(x, y, cur_selection_str, true);
}
}
@@ -569,7 +580,7 @@
bold = true;
}
- y += DrawTextLine(x, y, menu_->TextItem(i).c_str(), bold);
+ y += DrawTextLine(x, y, menu_->TextItem(i), bold);
SetColor(MENU);
}