|
|
/*
* 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
*
* 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_COMMON_H
#define RECOVERY_COMMON_H
#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_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, ...);
// 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).
void 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();
// Set the icon (normally the only thing visible besides the progress bar).
enum {
BACKGROUND_ICON_NONE,
BACKGROUND_ICON_INSTALLING,
BACKGROUND_ICON_ERROR,
NUM_BACKGROUND_ICONS
};
void ui_set_background(int icon);
// 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(stderr, "W:" __VA_ARGS__)
#define LOGI(...) fprintf(stderr, "I:" __VA_ARGS__)
#if 0
#define LOGV(...) fprintf(stderr, "V:" __VA_ARGS__)
#define LOGD(...) fprintf(stderr, "D:" __VA_ARGS__)
#else
#define LOGV(...) do {} while (0)
#define LOGD(...) do {} while (0)
#endif
#define STRINGIFY(x) #x
#define EXPAND(x) STRINGIFY(x)
#endif // RECOVERY_COMMON_H
|
