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The Android Open Source Projectc24a8e62009-03-03 19:28:42 -08001/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef RECOVERY_COMMON_H
18#define RECOVERY_COMMON_H
19
20#include <stdio.h>
21
22// Initialize the graphics system.
23void ui_init();
24
25// Use KEY_* codes from <linux/input.h> or KEY_DREAM_* from "minui/minui.h".
26int ui_wait_key(); // waits for a key/button press, returns the code
27int ui_key_pressed(int key); // returns >0 if the code is currently pressed
28int ui_text_visible(); // returns >0 if text log is currently visible
29void ui_clear_key_queue();
30
31// Write a message to the on-screen log shown with Alt-L (also to stderr).
32// The screen is small, and users may need to report these messages to support,
33// so keep the output short and not too cryptic.
34void ui_print(const char *fmt, ...);
35
36// Display some header text followed by a menu of items, which appears
37// at the top of the screen (in place of any scrolling ui_print()
38// output, if necessary).
39void ui_start_menu(char** headers, char** items);
40// Set the menu highlight to the given index, and return it (capped to
41// the range [0..numitems).
42int ui_menu_select(int sel);
43// End menu mode, resetting the text overlay so that ui_print()
44// statements will be displayed.
45void ui_end_menu();
46
47// Set the icon (normally the only thing visible besides the progress bar).
48enum {
49 BACKGROUND_ICON_NONE,
50 BACKGROUND_ICON_UNPACKING,
51 BACKGROUND_ICON_INSTALLING,
52 BACKGROUND_ICON_ERROR,
53 BACKGROUND_ICON_FIRMWARE_INSTALLING,
54 BACKGROUND_ICON_FIRMWARE_ERROR,
55 NUM_BACKGROUND_ICONS
56};
57void ui_set_background(int icon);
58
59// Get a malloc'd copy of the screen image showing (only) the specified icon.
60// Also returns the width, height, and bits per pixel of the returned image.
61// TODO: Use some sort of "struct Bitmap" here instead of all these variables?
62char *ui_copy_image(int icon, int *width, int *height, int *bpp);
63
64// Show a progress bar and define the scope of the next operation:
65// portion - fraction of the progress bar the next operation will use
66// seconds - expected time interval (progress bar moves at this minimum rate)
67void ui_show_progress(float portion, int seconds);
68void ui_set_progress(float fraction); // 0.0 - 1.0 within the defined scope
69
70// Default allocation of progress bar segments to operations
71static const int VERIFICATION_PROGRESS_TIME = 60;
72static const float VERIFICATION_PROGRESS_FRACTION = 0.5;
73static const float DEFAULT_FILES_PROGRESS_FRACTION = 0.4;
74static const float DEFAULT_IMAGE_PROGRESS_FRACTION = 0.1;
75
76// Show a rotating "barberpole" for ongoing operations. Updates automatically.
77void ui_show_indeterminate_progress();
78
79// Hide and reset the progress bar.
80void ui_reset_progress();
81
82#define LOGE(...) ui_print("E:" __VA_ARGS__)
83#define LOGW(...) fprintf(stderr, "W:" __VA_ARGS__)
84#define LOGI(...) fprintf(stderr, "I:" __VA_ARGS__)
85
86#if 0
87#define LOGV(...) fprintf(stderr, "V:" __VA_ARGS__)
88#define LOGD(...) fprintf(stderr, "D:" __VA_ARGS__)
89#else
90#define LOGV(...) do {} while (0)
91#define LOGD(...) do {} while (0)
92#endif
93
94#endif // RECOVERY_COMMON_H