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* Copyright (C) 2007 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#include <stdio.h>
// Initialize the graphics system.
void ui_init();
// Use KEY_* codes from <linux/input.h> or KEY_DREAM_* from "minui/minui.h".
int ui_wait_key(); // waits for a key/button press, returns the code
int ui_key_pressed(int key); // returns >0 if the code is currently pressed
int ui_text_visible(); // returns >0 if text log is currently visible
void ui_show_text(int visible);
void ui_clear_key_queue();
// Write a message to the on-screen log shown with Alt-L (also to stderr).
// The screen is small, and users may need to report these messages to support,
// so keep the output short and not too cryptic.
void ui_print(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
void ui_printlogtail(int nb_lines);
void ui_reset_text_col();
void ui_set_show_text(int value);
// Display some header text followed by a menu of items, which appears
// at the top of the screen (in place of any scrolling ui_print()
// output, if necessary).
int ui_start_menu(char** headers, char** items, int initial_selection);
// Set the menu highlight to the given index, and return it (capped to
// the range [0..numitems).
int ui_menu_select(int sel);
// End menu mode, resetting the text overlay so that ui_print()
// statements will be displayed.
void ui_end_menu();
int ui_get_showing_back_button();
void ui_set_showing_back_button(int showBackButton);
// Set the icon (normally the only thing visible besides the progress bar).
enum {
void ui_set_background(int icon);
// Get a malloc'd copy of the screen image showing (only) the specified icon.
// Also returns the width, height, and bits per pixel of the returned image.
// TODO: Use some sort of "struct Bitmap" here instead of all these variables?
char *ui_copy_image(int icon, int *width, int *height, int *bpp);
// Show a progress bar and define the scope of the next operation:
// portion - fraction of the progress bar the next operation will use
// seconds - expected time interval (progress bar moves at this minimum rate)
void ui_show_progress(float portion, int seconds);
void ui_set_progress(float fraction); // 0.0 - 1.0 within the defined scope
// Default allocation of progress bar segments to operations
static const int VERIFICATION_PROGRESS_TIME = 60;
static const float VERIFICATION_PROGRESS_FRACTION = 0.25;
static const float DEFAULT_FILES_PROGRESS_FRACTION = 0.4;
static const float DEFAULT_IMAGE_PROGRESS_FRACTION = 0.1;
// Show a rotating "barberpole" for ongoing operations. Updates automatically.
void ui_show_indeterminate_progress();
// Hide and reset the progress bar.
void ui_reset_progress();
#define LOGE(...) ui_print("E:" __VA_ARGS__)
#define LOGW(...) fprintf(stdout, "W:" __VA_ARGS__)
#define LOGI(...) fprintf(stdout, "I:" __VA_ARGS__)
#if 0
#define LOGV(...) fprintf(stdout, "V:" __VA_ARGS__)
#define LOGD(...) fprintf(stdout, "D:" __VA_ARGS__)
#define LOGV(...) do {} while (0)
#define LOGD(...) do {} while (0)
#define STRINGIFY(x) #x
#define EXPAND(x) STRINGIFY(x)
typedef struct {
const char* mount_point; // eg. "/cache". must live in the root directory.
const char* fs_type; // "yaffs2" or "ext4" or "vfat"
const char* device; // MTD partition name if fs_type == "yaffs"
// block device if fs_type == "ext4" or "vfat"
const char* device2; // alternative device to try if fs_type
// == "ext4" or "vfat" and mounting
// 'device' fails
const char* fs_type2;
const char* fs_options;
const char* fs_options2;
} Volume;