Merge "recovery: Add ability to set title lines"

am: cba047f944

Change-Id: I6795eba1ab0cbc56e04fbed4d0ae3b8fe4925920

recovery.cpp

@@ -1063,6 +1063,11 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
     ui->SetStage(st_cur, st_max);
   }
 
+  std::vector<std::string> title_lines =
+      android::base::Split(android::base::GetProperty("ro.bootimage.build.fingerprint", ""), ":");
+  title_lines.insert(std::begin(title_lines), "Android Recovery");
+  ui->SetTitle(title_lines);
+
   device->StartRecovery();
 
   printf("Command:");

screen_ui.cpp

@@ -496,6 +496,10 @@ int ScreenRecoveryUI::DrawWrappedTextLines(int x, int y,
   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() {
@@ -529,11 +533,9 @@ void ScreenRecoveryUI::draw_menu_and_text_buffer_locked(
     int x = kMarginWidth + kMenuIndent;
 
     SetColor(INFO);
-    y += DrawTextLine(x, y, "Android Recovery", true);
-    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, false);
+
+    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);

screen_ui.h

@@ -141,6 +141,7 @@ class ScreenRecoveryUI : public RecoveryUI {
   size_t 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) override;
+  void SetTitle(const std::vector<std::string>& lines) override;
 
   void KeyLongPress(int) override;
 
@@ -266,6 +267,8 @@ class ScreenRecoveryUI : public RecoveryUI {
   bool show_text;
   bool show_text_ever;  // has show_text ever been true?
 
+  std::vector<std::string> title_lines_;
+
   bool scrollable_menu_;
   std::unique_ptr<Menu> menu_;
 

stub_ui.h

@@ -67,6 +67,8 @@ class StubRecoveryUI : public RecoveryUI {
                   const std::function<int(int, bool)>& /* key_handler */) override {
     return initial_selection;
   }
+
+  void SetTitle(const std::vector<std::string>& /* lines */) override {}
 };
 
 #endif  // RECOVERY_STUB_UI_H

ui.h

@@ -134,6 +134,8 @@ class RecoveryUI {
 
   // --- menu display ---
 
+  virtual void SetTitle(const std::vector<std::string>& lines) = 0;
+
   // Displays a menu with the given 'headers' and 'items'. The supplied 'key_handler' callback,
   // which is typically bound to Device::HandleMenuKey(), should return the expected action for the
   // given key code and menu visibility (e.g. to move the cursor or to select an item). Caller sets