ui: Move locale and friends into ScreenRecoveryUI class.

Localized texts only make sense on devices with screens.

Test: Run fake OTA on angler; check the on-screen texts.
Change-Id: I3a644294c8b1f2056cfb78b2d61a598b8ddf2acf

screen_ui.cpp

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#include "screen_ui.h"
+
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -36,11 +38,10 @@
 #include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
+#include <minui/minui.h>
 
 #include "common.h"
 #include "device.h"
-#include "minui/minui.h"
-#include "screen_ui.h"
 #include "ui.h"
 
 // Return the current time as a double (including fractions of a second).
@@ -79,6 +80,8 @@ ScreenRecoveryUI::ScreenRecoveryUI()
       intro_done(false),
       stage(-1),
       max_stage(-1),
+      locale_(""),
+      rtl_locale_(false),
       updateMutex(PTHREAD_MUTEX_INITIALIZER) {}
 
 GRSurface* ScreenRecoveryUI::GetCurrentFrame() const {
@@ -496,6 +499,7 @@ bool ScreenRecoveryUI::InitTextParams() {
 
 bool ScreenRecoveryUI::Init(const std::string& locale) {
   RecoveryUI::Init(locale);
+
   if (!InitTextParams()) {
     return false;
   }
@@ -510,6 +514,9 @@ bool ScreenRecoveryUI::Init(const std::string& locale) {
 
   text_col_ = text_row_ = 0;
 
+  // Set up the locale info.
+  SetLocale(locale);
+
   LoadBitmap("icon_error", &error_icon);
 
   LoadBitmap("progress_empty", &progressBarEmpty);
@@ -833,3 +840,23 @@ void ScreenRecoveryUI::KeyLongPress(int) {
   // 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 underscore = new_locale.find('_');
+    // lang has the language prefix prior to '_', or full string if '_' doesn't exist.
+    std::string lang = new_locale.substr(0, underscore);
+
+    // 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;
+    }
+  }
+}

screen_ui.h

@@ -191,7 +191,14 @@ class ScreenRecoveryUI : public RecoveryUI {
   int char_width_;
   int char_height_;
 
+  // The locale that's used to show the rendered texts.
+  std::string locale_;
+  bool rtl_locale_;
+
   pthread_mutex_t updateMutex;
+
+ private:
+  void SetLocale(const std::string&);
 };
 
 #endif  // RECOVERY_UI_H

ui.cpp

@@ -50,9 +50,7 @@ static constexpr const char* BRIGHTNESS_FILE = "/sys/class/leds/lcd-backlight/br
 static constexpr const char* MAX_BRIGHTNESS_FILE = "/sys/class/leds/lcd-backlight/max_brightness";
 
 RecoveryUI::RecoveryUI()
-    : locale_(""),
-      rtl_locale_(false),
-      brightness_normal_(50),
+    : brightness_normal_(50),
       brightness_dimmed_(25),
       touch_screen_allowed_(false),
       kTouchLowThreshold(RECOVERY_UI_TOUCH_LOW_THRESHOLD),
@@ -132,10 +130,7 @@ bool RecoveryUI::InitScreensaver() {
   return true;
 }
 
-bool RecoveryUI::Init(const std::string& locale) {
-  // Set up the locale info.
-  SetLocale(locale);
-
+bool RecoveryUI::Init(const std::string& /* locale */) {
   ev_init(std::bind(&RecoveryUI::OnInputEvent, this, std::placeholders::_1, std::placeholders::_2),
           touch_screen_allowed_);
 
@@ -574,23 +569,3 @@ void RecoveryUI::SetEnableReboot(bool enabled) {
   enable_reboot = enabled;
   pthread_mutex_unlock(&key_queue_mutex);
 }
-
-void RecoveryUI::SetLocale(const std::string& new_locale) {
-  this->locale_ = new_locale;
-  this->rtl_locale_ = false;
-
-  if (!new_locale.empty()) {
-    size_t underscore = new_locale.find('_');
-    // lang has the language prefix prior to '_', or full string if '_' doesn't exist.
-    std::string lang = new_locale.substr(0, underscore);
-
-    // 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;
-    }
-  }
-}

ui.h

@@ -143,10 +143,6 @@ class RecoveryUI {
  protected:
   void EnqueueKey(int key_code);
 
-  // The locale that's used to show the rendered texts.
-  std::string locale_;
-  bool rtl_locale_;
-
   // The normal and dimmed brightness percentages (default: 50 and 25, which means 50% and 25% of
   // the max_brightness). Because the absolute values may vary across devices. These two values can
   // be configured via subclassing. Setting brightness_normal_ to 0 to disable screensaver.
@@ -184,8 +180,6 @@ class RecoveryUI {
   static void* time_key_helper(void* cookie);
   void time_key(int key_code, int count);
 
-  void SetLocale(const std::string&);
-
   bool InitScreensaver();
 
   // Key event input queue