upload android base code part3

android/bootable/recovery/wear_ui.h

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+#ifndef RECOVERY_WEAR_UI_H
+#define RECOVERY_WEAR_UI_H
+
+#include "screen_ui.h"
+
+#include <string>
+
+class WearRecoveryUI : public ScreenRecoveryUI {
+ public:
+  WearRecoveryUI();
+
+  bool Init(const std::string& locale) override;
+
+  void SetStage(int current, int max) override;
+
+  // printing messages
+  void Print(const char* fmt, ...) override;
+  void PrintOnScreenOnly(const char* fmt, ...) override __printflike(2, 3);
+  void ShowFile(const char* filename) override;
+  void ShowFile(FILE* fp) override;
+
+  // menu display
+  void StartMenu(const char* const* headers, const char* const* items,
+                 int initial_selection) override;
+  int SelectMenu(int sel) override;
+
+ protected:
+  // progress bar vertical position, it's centered horizontally
+  const int kProgressBarBaseline;
+
+  // Unusable rows when displaying the recovery menu, including the lines for headers (Android
+  // Recovery, build id and etc) and the bottom lines that may otherwise go out of the screen.
+  const int kMenuUnusableRows;
+
+  int GetProgressBaseline() const override;
+
+  bool InitTextParams() override;
+
+  void update_progress_locked() override;
+
+  void PrintV(const char*, bool, va_list) override;
+
+ private:
+  GRSurface* backgroundIcon[5];
+
+  static const int kMaxCols = 96;
+  static const int kMaxRows = 96;
+
+  // Number of text rows seen on screen
+  int visible_text_rows;
+
+  const char* const* menu_headers_;
+  int menu_start, menu_end;
+
+  pthread_t progress_t;
+
+  void draw_background_locked() override;
+  void draw_screen_locked() override;
+
+  void PutChar(char);
+};
+
+#endif  // RECOVERY_WEAR_UI_H