df52e1e119
This makes it easier to go back and forth without losing current output.
Also make the display more like regular more(1).
Bug: http://b/20834540
Change-Id: Icc5703e9c8a378cc7072d8ebb79e34451267ee1b
(cherry picked from commit c049163234)
140 lines
3.8 KiB
C++
140 lines
3.8 KiB
C++
/*
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* Copyright (C) 2011 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_SCREEN_UI_H
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#define RECOVERY_SCREEN_UI_H
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#include <pthread.h>
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#include <stdio.h>
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#include "ui.h"
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#include "minui/minui.h"
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// Implementation of RecoveryUI appropriate for devices with a screen
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// (shows an icon + a progress bar, text logging, menu, etc.)
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class ScreenRecoveryUI : public RecoveryUI {
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public:
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ScreenRecoveryUI();
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void Init();
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void SetLocale(const char* locale);
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// overall recovery state ("background image")
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void SetBackground(Icon icon);
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// progress indicator
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void SetProgressType(ProgressType type);
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void ShowProgress(float portion, float seconds);
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void SetProgress(float fraction);
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void SetStage(int current, int max);
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// text log
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void ShowText(bool visible);
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bool IsTextVisible();
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bool WasTextEverVisible();
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// printing messages
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void Print(const char* fmt, ...) __printflike(2, 3);
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void ShowFile(const char* filename);
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// menu display
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void StartMenu(const char* const * headers, const char* const * items,
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int initial_selection);
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int SelectMenu(int sel);
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void EndMenu();
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void KeyLongPress(int);
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void Redraw();
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enum UIElement {
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HEADER, MENU, MENU_SEL_BG, MENU_SEL_BG_ACTIVE, MENU_SEL_FG, LOG, TEXT_FILL, INFO
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};
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void SetColor(UIElement e);
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private:
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Icon currentIcon;
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int installingFrame;
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const char* locale;
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bool rtl_locale;
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pthread_mutex_t updateMutex;
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GRSurface* backgroundIcon[5];
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GRSurface* backgroundText[5];
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GRSurface** installation;
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GRSurface* progressBarEmpty;
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GRSurface* progressBarFill;
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GRSurface* stageMarkerEmpty;
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GRSurface* stageMarkerFill;
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ProgressType progressBarType;
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float progressScopeStart, progressScopeSize, progress;
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double progressScopeTime, progressScopeDuration;
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// true when both graphics pages are the same (except for the progress bar).
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bool pagesIdentical;
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size_t text_cols_, text_rows_;
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// Log text overlay, displayed when a magic key is pressed.
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char** text_;
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size_t text_col_, text_row_, text_top_;
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bool show_text;
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bool show_text_ever; // has show_text ever been true?
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char** menu_;
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const char* const* menu_headers_;
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bool show_menu;
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int menu_items, menu_sel;
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// An alternate text screen, swapped with 'text_' when we're viewing a log file.
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char** file_viewer_text_;
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pthread_t progress_thread_;
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int animation_fps;
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int installing_frames;
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int iconX, iconY;
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int stage, max_stage;
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void draw_background_locked(Icon icon);
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void draw_progress_locked();
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void draw_screen_locked();
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void update_screen_locked();
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void update_progress_locked();
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static void* ProgressThreadStartRoutine(void* data);
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void ProgressThreadLoop();
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void ShowFile(FILE*);
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void PutChar(char);
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void ClearText();
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void DrawHorizontalRule(int* y);
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void DrawTextLine(int* y, const char* line, bool bold);
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void DrawTextLines(int* y, const char* const* lines);
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void LoadBitmap(const char* filename, GRSurface** surface);
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void LoadBitmapArray(const char* filename, int* frames, GRSurface*** surface);
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void LoadLocalizedBitmap(const char* filename, GRSurface** surface);
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};
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#endif // RECOVERY_UI_H
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