Merge changes from topic "bug-64307776" into oc-mr1-dev

* changes:
  wear_ui: Expose menu_unusable_rows via Makefile var.
  Allow customizing WearRecoveryUI via Makefile variables.
diff --git a/recovery.cpp b/recovery.cpp
index 8f08c53..07bd7b9 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -758,12 +758,13 @@
 }
 
 static bool prompt_and_wipe_data(Device* device) {
+  // Use a single string and let ScreenRecoveryUI handles the wrapping.
   const char* const headers[] = {
-    "Can't load Android system. Your data may be corrupt.",
-    "If you continue to get this message, you may need to",
-    "perform a factory data reset and erase all user data",
+    "Can't load Android system. Your data may be corrupt. "
+    "If you continue to get this message, you may need to "
+    "perform a factory data reset and erase all user data "
     "stored on this device.",
-    NULL
+    nullptr
   };
   const char* const items[] = {
     "Try again",
diff --git a/screen_ui.cpp b/screen_ui.cpp
index c83a765..5c93b66 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -278,6 +278,34 @@
   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;
+        }
+      }
+      offset += DrawTextLine(x, y + offset, sub.c_str(), false);
+    }
+  }
+  return offset;
+}
+
 static const char* REGULAR_HELP[] = {
   "Use volume up/down and power.",
   NULL
@@ -316,7 +344,8 @@
     y += DrawTextLines(x, y, HasThreeButtons() ? REGULAR_HELP : LONG_PRESS_HELP);
 
     SetColor(HEADER);
-    y += DrawTextLines(x, y, menu_headers_);
+    // Ignore kMenuIndent, which is not taken into account by text_cols_.
+    y += DrawWrappedTextLines(kMarginWidth, y, menu_headers_);
 
     SetColor(MENU);
     y += DrawHorizontalRule(y) + 4;
diff --git a/screen_ui.h b/screen_ui.h
index 1f40164..62dda75 100644
--- a/screen_ui.h
+++ b/screen_ui.h
@@ -187,6 +187,9 @@
   virtual int DrawTextLine(int x, int y, const char* line, bool bold) const;
   // Draws multiple text lines. Returns the offset it should be moving along Y-axis.
   int DrawTextLines(int x, int y, const char* const* lines) const;
+  // Similar to DrawTextLines() to draw multiple text lines, but additionally wraps long lines.
+  // Returns the offset it should be moving along Y-axis.
+  int DrawWrappedTextLines(int x, int y, const char* const* lines) const;
 };
 
 #endif  // RECOVERY_UI_H
diff --git a/tools/recovery_l10n/res/values-en-rCA/strings.xml b/tools/recovery_l10n/res/values-en-rCA/strings.xml
new file mode 100644
index 0000000..dc75c23
--- /dev/null
+++ b/tools/recovery_l10n/res/values-en-rCA/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <string name="recovery_installing" msgid="2013591905463558223">"Installing system update"</string>
+    <string name="recovery_erasing" msgid="7334826894904037088">"Erasing"</string>
+    <string name="recovery_no_command" msgid="4465476568623024327">"No command"</string>
+    <string name="recovery_error" msgid="5748178989622716736">"Error!"</string>
+    <string name="recovery_installing_security" msgid="9184031299717114342">"Installing security update"</string>
+</resources>
diff --git a/tools/recovery_l10n/res/values-mr/strings.xml b/tools/recovery_l10n/res/values-mr/strings.xml
index 8cf86f7..017a515 100644
--- a/tools/recovery_l10n/res/values-mr/strings.xml
+++ b/tools/recovery_l10n/res/values-mr/strings.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="recovery_installing" msgid="2013591905463558223">"सिस्टम अद्यतन स्थापित करीत आहे"</string>
+    <string name="recovery_installing" msgid="2013591905463558223">"सिस्टम अपडेट इंस्टॉल करत आहे"</string>
     <string name="recovery_erasing" msgid="7334826894904037088">"मिटवत आहे"</string>
     <string name="recovery_no_command" msgid="4465476568623024327">"कोणताही आदेश नाही"</string>
     <string name="recovery_error" msgid="5748178989622716736">"त्रुटी!"</string>
-    <string name="recovery_installing_security" msgid="9184031299717114342">"सुरक्षा अद्यतन स्थापित करीत आहे"</string>
+    <string name="recovery_installing_security" msgid="9184031299717114342">"सुरक्षा अपडेट इंस्टॉल करत आहे"</string>
 </resources>