diff options
| -rw-r--r-- | recovery.cpp | 63 | ||||
| -rw-r--r-- | screen_ui.cpp | 119 | ||||
| -rw-r--r-- | screen_ui.h | 8 | ||||
| -rw-r--r-- | ui.h | 6 | ||||
| -rw-r--r-- | verifier_test.cpp | 3 |
5 files changed, 104 insertions, 95 deletions
diff --git a/recovery.cpp b/recovery.cpp index 1726a22..7776f1f 100644 --- a/recovery.cpp +++ b/recovery.cpp @@ -84,9 +84,6 @@ static const char *LAST_KMSG_FILE = "/cache/recovery/last_kmsg"; #define KEEP_LOG_COUNT 10 -// Number of lines per page when displaying a file on screen -#define LINES_PER_PAGE 30 - RecoveryUI* ui = NULL; char* locale = NULL; char recovery_version[PROPERTY_VALUE_MAX+1]; @@ -737,58 +734,6 @@ static bool wipe_cache(bool should_confirm, Device* device) { } } -static void file_to_ui(const char* fn) { - FILE *fp = fopen_path(fn, "re"); - if (fp == NULL) { - ui->Print(" Unable to open %s: %s\n", fn, strerror(errno)); - return; - } - char line[1024]; - int ct = 0; - int key = 0; - redirect_stdio("/dev/null"); - while(fgets(line, sizeof(line), fp) != NULL) { - ui->Print("%s", line); - ct++; - if (ct % LINES_PER_PAGE == 0) { - // give the user time to glance at the entries - key = ui->WaitKey(); - - if (key == KEY_POWER) { - break; - } - - if (key == KEY_VOLUMEUP) { - // Go back by seeking to the beginning and dumping ct - n - // lines. It's ugly, but this way we don't need to store - // the previous offsets. The files we're dumping here aren't - // expected to be very large. - int i; - - ct -= 2 * LINES_PER_PAGE; - if (ct < 0) { - ct = 0; - } - fseek(fp, 0, SEEK_SET); - for (i = 0; i < ct; i++) { - fgets(line, sizeof(line), fp); - } - ui->Print("^^^^^^^^^^\n"); - } - } - } - - // If the user didn't abort, then give the user time to glance at - // the end of the log, sorry, no rewind here - if (key != KEY_POWER) { - ui->Print("\n--END-- (press any key)\n"); - ui->WaitKey(); - } - - redirect_stdio(TEMPORARY_LOG_FILE); - fclose(fp); -} - static void choose_recovery_file(Device* device) { unsigned int i; unsigned int n; @@ -823,10 +768,14 @@ static void choose_recovery_file(Device* device) { const char* headers[] = { "Select file to view", "", NULL }; - while(1) { + while (true) { int chosen_item = get_menu_selection(headers, entries, 1, 0, device); if (chosen_item == 0) break; - file_to_ui(entries[chosen_item]); + + // TODO: do we need to redirect? ShowFile could just avoid writing to stdio. + redirect_stdio("/dev/null"); + ui->ShowFile(entries[chosen_item]); + redirect_stdio(TEMPORARY_LOG_FILE); } for (i = 0; i < (sizeof(entries) / sizeof(*entries)); i++) { diff --git a/screen_ui.cpp b/screen_ui.cpp index a0df455..6d8df68 100644 --- a/screen_ui.cpp +++ b/screen_ui.cpp @@ -86,8 +86,7 @@ ScreenRecoveryUI::ScreenRecoveryUI() : // Clear the screen and draw the currently selected background icon (if any). // Should only be called with updateMutex locked. -void ScreenRecoveryUI::draw_background_locked(Icon icon) -{ +void ScreenRecoveryUI::draw_background_locked(Icon icon) { pagesIdentical = false; gr_color(0, 0, 0, 255); gr_clear(); @@ -132,8 +131,7 @@ void ScreenRecoveryUI::draw_background_locked(Icon icon) // Draw the progress bar (if any) on the screen. Does not flip pages. // Should only be called with updateMutex locked. -void ScreenRecoveryUI::draw_progress_locked() -{ +void ScreenRecoveryUI::draw_progress_locked() { if (currentIcon == ERROR) return; if (currentIcon == INSTALLING_UPDATE || currentIcon == ERASING) { @@ -204,8 +202,7 @@ void ScreenRecoveryUI::SetColor(UIElement e) { // Redraw everything on the screen. Does not flip pages. // Should only be called with updateMutex locked. -void ScreenRecoveryUI::draw_screen_locked() -{ +void ScreenRecoveryUI::draw_screen_locked() { if (!show_text) { draw_background_locked(currentIcon); draw_progress_locked(); @@ -260,16 +257,14 @@ void ScreenRecoveryUI::draw_screen_locked() // Redraw everything on the screen and flip the screen (make it visible). // Should only be called with updateMutex locked. -void ScreenRecoveryUI::update_screen_locked() -{ +void ScreenRecoveryUI::update_screen_locked() { draw_screen_locked(); gr_flip(); } // Updates only the progress bar, if possible, otherwise redraws the screen. // Should only be called with updateMutex locked. -void ScreenRecoveryUI::update_progress_locked() -{ +void ScreenRecoveryUI::update_progress_locked() { if (show_text || !pagesIdentical) { draw_screen_locked(); // Must redraw the whole screen pagesIdentical = true; @@ -354,8 +349,7 @@ static char** Alloc2d(size_t rows, size_t cols) { return result; } -void ScreenRecoveryUI::Init() -{ +void ScreenRecoveryUI::Init() { gr_init(); gr_font_size(&char_width, &char_height); @@ -416,8 +410,7 @@ void ScreenRecoveryUI::SetLocale(const char* new_locale) { } } -void ScreenRecoveryUI::SetBackground(Icon icon) -{ +void ScreenRecoveryUI::SetBackground(Icon icon) { pthread_mutex_lock(&updateMutex); currentIcon = icon; @@ -426,8 +419,7 @@ void ScreenRecoveryUI::SetBackground(Icon icon) pthread_mutex_unlock(&updateMutex); } -void ScreenRecoveryUI::SetProgressType(ProgressType type) -{ +void ScreenRecoveryUI::SetProgressType(ProgressType type) { pthread_mutex_lock(&updateMutex); if (progressBarType != type) { progressBarType = type; @@ -439,8 +431,7 @@ void ScreenRecoveryUI::SetProgressType(ProgressType type) pthread_mutex_unlock(&updateMutex); } -void ScreenRecoveryUI::ShowProgress(float portion, float seconds) -{ +void ScreenRecoveryUI::ShowProgress(float portion, float seconds) { pthread_mutex_lock(&updateMutex); progressBarType = DETERMINATE; progressScopeStart += progressScopeSize; @@ -452,8 +443,7 @@ void ScreenRecoveryUI::ShowProgress(float portion, float seconds) pthread_mutex_unlock(&updateMutex); } -void ScreenRecoveryUI::SetProgress(float fraction) -{ +void ScreenRecoveryUI::SetProgress(float fraction) { pthread_mutex_lock(&updateMutex); if (fraction < 0.0) fraction = 0.0; if (fraction > 1.0) fraction = 1.0; @@ -476,8 +466,7 @@ void ScreenRecoveryUI::SetStage(int current, int max) { pthread_mutex_unlock(&updateMutex); } -void ScreenRecoveryUI::Print(const char *fmt, ...) -{ +void ScreenRecoveryUI::Print(const char *fmt, ...) { char buf[256]; va_list ap; va_start(ap, fmt); @@ -486,10 +475,9 @@ void ScreenRecoveryUI::Print(const char *fmt, ...) fputs(buf, stdout); - // This can get called before ui_init(), so be careful. pthread_mutex_lock(&updateMutex); if (text_rows > 0 && text_cols > 0) { - for (char* ptr = buf; *ptr != '\0'; ++ptr) { + for (const char* ptr = buf; *ptr != '\0'; ++ptr) { if (*ptr == '\n' || text_col >= text_cols) { text[text_row][text_col] = '\0'; text_col = 0; @@ -504,6 +492,75 @@ void ScreenRecoveryUI::Print(const char *fmt, ...) pthread_mutex_unlock(&updateMutex); } +// TODO: replace this with something not line-based so we can wrap correctly without getting +// confused about what line we're on. +void ScreenRecoveryUI::print_no_update(const char* s) { + pthread_mutex_lock(&updateMutex); + if (text_rows > 0 && text_cols > 0) { + for (const char* ptr = s; *ptr != '\0'; ++ptr) { + if (*ptr == '\n' || text_col >= text_cols) { + text[text_row][text_col] = '\0'; + text_col = 0; + text_row = (text_row + 1) % text_rows; + if (text_row == text_top) text_top = (text_top + 1) % text_rows; + } + if (*ptr != '\n') text[text_row][text_col++] = *ptr; + } + text[text_row][text_col] = '\0'; + } + pthread_mutex_unlock(&updateMutex); +} + +void ScreenRecoveryUI::ShowFile(const char* filename) { + FILE* fp = fopen_path(filename, "re"); + if (fp == nullptr) { + Print(" Unable to open %s: %s\n", filename, strerror(errno)); + return; + } + + char line[1024]; + int ct = 0; + int key = 0; + while (fgets(line, sizeof(line), fp) != nullptr) { + print_no_update(line); + ct++; + if (ct % text_rows == 0) { + Redraw(); + + // give the user time to glance at the entries + key = WaitKey(); + + if (key == KEY_POWER) { + break; + } else if (key == KEY_VOLUMEUP) { + // Go back by seeking to the beginning and dumping ct - n + // lines. It's ugly, but this way we don't need to store + // the previous offsets. The files we're dumping here aren't + // expected to be very large. + ct -= 2 * text_rows; + if (ct < 0) { + ct = 0; + } + fseek(fp, 0, SEEK_SET); + for (int i = 0; i < ct; i++) { + fgets(line, sizeof(line), fp); + } + Print("^^^^^^^^^^\n"); + } else { + // Next page. + } + } + } + + // If the user didn't abort, then give the user time to glance at + // the end of the log, sorry, no rewind here + if (key != KEY_POWER) { + Print("\n--END-- (press any key)\n"); + WaitKey(); + } + fclose(fp); +} + void ScreenRecoveryUI::StartMenu(const char* const * headers, const char* const * items, int initial_selection) { pthread_mutex_lock(&updateMutex); @@ -554,33 +611,29 @@ void ScreenRecoveryUI::EndMenu() { pthread_mutex_unlock(&updateMutex); } -bool ScreenRecoveryUI::IsTextVisible() -{ +bool ScreenRecoveryUI::IsTextVisible() { pthread_mutex_lock(&updateMutex); int visible = show_text; pthread_mutex_unlock(&updateMutex); return visible; } -bool ScreenRecoveryUI::WasTextEverVisible() -{ +bool ScreenRecoveryUI::WasTextEverVisible() { pthread_mutex_lock(&updateMutex); int ever_visible = show_text_ever; pthread_mutex_unlock(&updateMutex); return ever_visible; } -void ScreenRecoveryUI::ShowText(bool visible) -{ +void ScreenRecoveryUI::ShowText(bool visible) { pthread_mutex_lock(&updateMutex); show_text = visible; - if (show_text) show_text_ever = 1; + if (show_text) show_text_ever = true; update_screen_locked(); pthread_mutex_unlock(&updateMutex); } -void ScreenRecoveryUI::Redraw() -{ +void ScreenRecoveryUI::Redraw() { pthread_mutex_lock(&updateMutex); update_screen_locked(); pthread_mutex_unlock(&updateMutex); diff --git a/screen_ui.h b/screen_ui.h index 82647ac..41ff4af 100644 --- a/screen_ui.h +++ b/screen_ui.h @@ -48,6 +48,7 @@ class ScreenRecoveryUI : public RecoveryUI { // printing messages void Print(const char* fmt, ...) __printflike(2, 3); + void ShowFile(const char* filename); // menu display void StartMenu(const char* const * headers, const char* const * items, @@ -80,11 +81,10 @@ class ScreenRecoveryUI : public RecoveryUI { float progressScopeStart, progressScopeSize, progress; double progressScopeTime, progressScopeDuration; - // true when both graphics pages are the same (except for the - // progress bar) + // true when both graphics pages are the same (except for the progress bar). bool pagesIdentical; - // Log text overlay, displayed when a magic key is pressed + // Log text overlay, displayed when a magic key is pressed. char** text; size_t text_cols, text_rows; size_t text_col, text_row, text_top; @@ -112,6 +112,8 @@ class ScreenRecoveryUI : public RecoveryUI { static void* progress_thread(void* cookie); void progress_loop(); + void print_no_update(const char*); + void LoadBitmap(const char* filename, gr_surface* surface); void LoadBitmapArray(const char* filename, int* frames, gr_surface** surface); void LoadLocalizedBitmap(const char* filename, gr_surface* surface); @@ -31,10 +31,10 @@ class RecoveryUI { // Initialize the object; called before anything else. virtual void Init(); // Show a stage indicator. Call immediately after Init(). - virtual void SetStage(int current, int max) { } + virtual void SetStage(int current, int max) = 0; // After calling Init(), you can tell the UI what locale it is operating in. - virtual void SetLocale(const char* locale) { } + virtual void SetLocale(const char* locale) = 0; // Set the overall recovery state ("background image"). enum Icon { NONE, INSTALLING_UPDATE, ERASING, NO_COMMAND, ERROR }; @@ -65,6 +65,8 @@ class RecoveryUI { // toggled on the text display). virtual void Print(const char* fmt, ...) __printflike(2, 3) = 0; + virtual void ShowFile(const char* filename) = 0; + // --- key handling --- // Wait for keypress and return it. May return -1 after timeout. diff --git a/verifier_test.cpp b/verifier_test.cpp index 93a071e..82546ed 100644 --- a/verifier_test.cpp +++ b/verifier_test.cpp @@ -124,6 +124,8 @@ RecoveryUI* ui = NULL; // nothing but print. class FakeUI : public RecoveryUI { void Init() { } + void SetStage(int, int) { } + void SetLocale(const char*) { } void SetBackground(Icon icon) { } void SetProgressType(ProgressType determinate) { } @@ -139,6 +141,7 @@ class FakeUI : public RecoveryUI { vfprintf(stderr, fmt, ap); va_end(ap); } + void ShowFile(const char*) { } void StartMenu(const char* const * headers, const char* const * items, int initial_selection) { } |