83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
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/*
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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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// 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, ...);
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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_UNPACKING,
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BACKGROUND_ICON_INSTALLING,
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BACKGROUND_ICON_ERROR,
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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 = 0.5;
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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(stderr, "W:" __VA_ARGS__)
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#define LOGI(...) fprintf(stderr, "I:" __VA_ARGS__)
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#if 0
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#define LOGV(...) fprintf(stderr, "V:" __VA_ARGS__)
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#define LOGD(...) fprintf(stderr, "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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#endif // RECOVERY_COMMON_H
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