118 lines
4.3 KiB
C
118 lines
4.3 KiB
C
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef RECOVERY_COMMON_H
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#define RECOVERY_COMMON_H
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#include <stdio.h>
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// Initialize the graphics system.
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void ui_init();
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// Use KEY_* codes from <linux/input.h> or KEY_DREAM_* from "minui/minui.h".
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int ui_wait_key(); // waits for a key/button press, returns the code
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int ui_key_pressed(int key); // returns >0 if the code is currently pressed
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int ui_text_visible(); // returns >0 if text log is currently visible
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void ui_show_text(int visible);
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void ui_clear_key_queue();
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// Write a message to the on-screen log shown with Alt-L (also to stderr).
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// The screen is small, and users may need to report these messages to support,
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// so keep the output short and not too cryptic.
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void ui_print(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
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void ui_reset_text_col();
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void ui_set_show_text(int value);
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// Display some header text followed by a menu of items, which appears
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// at the top of the screen (in place of any scrolling ui_print()
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// output, if necessary).
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int ui_start_menu(char** headers, char** items, int initial_selection);
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// Set the menu highlight to the given index, and return it (capped to
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// the range [0..numitems).
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int ui_menu_select(int sel);
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// End menu mode, resetting the text overlay so that ui_print()
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// statements will be displayed.
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void ui_end_menu();
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int ui_get_showing_back_button();
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void ui_set_showing_back_button(int showBackButton);
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// Set the icon (normally the only thing visible besides the progress bar).
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enum {
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BACKGROUND_ICON_NONE,
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BACKGROUND_ICON_INSTALLING,
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BACKGROUND_ICON_ERROR,
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BACKGROUND_ICON_CLOCKWORK,
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BACKGROUND_ICON_FIRMWARE_INSTALLING,
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BACKGROUND_ICON_FIRMWARE_ERROR,
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NUM_BACKGROUND_ICONS
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};
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void ui_set_background(int icon);
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// Get a malloc'd copy of the screen image showing (only) the specified icon.
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// Also returns the width, height, and bits per pixel of the returned image.
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// TODO: Use some sort of "struct Bitmap" here instead of all these variables?
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char *ui_copy_image(int icon, int *width, int *height, int *bpp);
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// Show a progress bar and define the scope of the next operation:
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// portion - fraction of the progress bar the next operation will use
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// seconds - expected time interval (progress bar moves at this minimum rate)
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void ui_show_progress(float portion, int seconds);
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void ui_set_progress(float fraction); // 0.0 - 1.0 within the defined scope
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// Default allocation of progress bar segments to operations
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static const int VERIFICATION_PROGRESS_TIME = 60;
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static const float VERIFICATION_PROGRESS_FRACTION = 0.25;
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static const float DEFAULT_FILES_PROGRESS_FRACTION = 0.4;
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static const float DEFAULT_IMAGE_PROGRESS_FRACTION = 0.1;
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// Show a rotating "barberpole" for ongoing operations. Updates automatically.
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void ui_show_indeterminate_progress();
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// Hide and reset the progress bar.
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void ui_reset_progress();
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#define LOGE(...) ui_print("E:" __VA_ARGS__)
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#define LOGW(...) fprintf(stdout, "W:" __VA_ARGS__)
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#define LOGI(...) fprintf(stdout, "I:" __VA_ARGS__)
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#if 0
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#define LOGV(...) fprintf(stdout, "V:" __VA_ARGS__)
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#define LOGD(...) fprintf(stdout, "D:" __VA_ARGS__)
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#else
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#define LOGV(...) do {} while (0)
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#define LOGD(...) do {} while (0)
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#endif
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#define STRINGIFY(x) #x
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#define EXPAND(x) STRINGIFY(x)
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typedef struct {
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const char* mount_point; // eg. "/cache". must live in the root directory.
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const char* fs_type; // "yaffs2" or "ext4" or "vfat"
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const char* device; // MTD partition name if fs_type == "yaffs"
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// block device if fs_type == "ext4" or "vfat"
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const char* device2; // alternative device to try if fs_type
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// == "ext4" or "vfat" and mounting
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// 'device' fails
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} Volume;
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#endif // RECOVERY_COMMON_H
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