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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "wear_ui.h"
#include <pthread.h>
#include <stdio.h> // TODO: Remove after killing the call to sprintf().
#include <string.h>
#include <string>
#include <android-base/properties.h>
#include <android-base/strings.h>
#include <minui/minui.h>
WearRecoveryUI::WearRecoveryUI()
: kProgressBarBaseline(RECOVERY_UI_PROGRESS_BAR_BASELINE),
kMenuUnusableRows(RECOVERY_UI_MENU_UNUSABLE_ROWS) {
// TODO: kMenuUnusableRows should be computed based on the lines in draw_screen_locked().
// TODO: The following three variables are likely not needed. The first two are detected
// automatically in ScreenRecoveryUI::LoadAnimation(), based on the actual files seen on device.
intro_frames = 22;
loop_frames = 60;
touch_screen_allowed_ = true;
}
int WearRecoveryUI::GetProgressBaseline() const {
return kProgressBarBaseline;
}
// Draw background frame on the screen. Does not flip pages.
// Should only be called with updateMutex locked.
// TODO merge drawing routines with screen_ui
void WearRecoveryUI::draw_background_locked() {
pagesIdentical = false;
gr_color(0, 0, 0, 255);
gr_fill(0, 0, gr_fb_width(), gr_fb_height());
if (currentIcon != NONE) {
GRSurface* frame = GetCurrentFrame();
int frame_width = gr_get_width(frame);
int frame_height = gr_get_height(frame);
int frame_x = (gr_fb_width() - frame_width) / 2;
int frame_y = (gr_fb_height() - frame_height) / 2;
gr_blit(frame, 0, 0, frame_width, frame_height, frame_x, frame_y);
}
}
static const char* SWIPE_HELP[] = {
"Swipe up/down to move.",
"Swipe left/right to select.",
"",
NULL
};
// TODO merge drawing routines with screen_ui
void WearRecoveryUI::draw_screen_locked() {
char cur_selection_str[50];
draw_background_locked();
if (!show_text) {
draw_foreground_locked();
} else {
SetColor(TEXT_FILL);
gr_fill(0, 0, gr_fb_width(), gr_fb_height());
int y = kMarginHeight;
int x = kMarginWidth;
if (show_menu) {
std::string recovery_fingerprint =
android::base::GetProperty("ro.bootimage.build.fingerprint", "");
SetColor(HEADER);
y += DrawTextLine(x + 4, y, "Android Recovery", true);
for (auto& chunk : android::base::Split(recovery_fingerprint, ":")) {
y += DrawTextLine(x + 4, y, chunk.c_str(), false);
}
// This is actually the help strings.
y += DrawTextLines(x + 4, y, SWIPE_HELP);
SetColor(HEADER);
y += DrawTextLines(x + 4, y, menu_headers_);
// Show the current menu item number in relation to total number if
// items don't fit on the screen.
if (menu_items > menu_end - menu_start) {
sprintf(cur_selection_str, "Current item: %d/%d", menu_sel + 1, menu_items);
gr_text(gr_sys_font(), x + 4, y, cur_selection_str, 1);
y += char_height_ + 4;
}
// Menu begins here
SetColor(MENU);
for (int i = menu_start; i < menu_end; ++i) {
if (i == menu_sel) {
// draw the highlight bar
SetColor(MENU_SEL_BG);
gr_fill(x, y - 2, gr_fb_width() - x, y + char_height_ + 2);
// white text of selected item
SetColor(MENU_SEL_FG);
if (menu_[i][0]) {
gr_text(gr_sys_font(), x + 4, y, menu_[i].c_str(), 1);
}
SetColor(MENU);
} else if (menu_[i][0]) {
gr_text(gr_sys_font(), x + 4, y, menu_[i].c_str(), 0);
}
y += char_height_ + 4;
}
SetColor(MENU);
y += 4;
gr_fill(0, y, gr_fb_width(), y + 2);
y += 4;
}
SetColor(LOG);
// display from the bottom up, until we hit the top of the
// screen, the bottom of the menu, or we've displayed the
// entire text buffer.
int row = (text_top_ + text_rows_ - 1) % text_rows_;
size_t count = 0;
for (int ty = gr_fb_height() - char_height_ - kMarginHeight; ty > y + 2 && count < text_rows_;
ty -= char_height_, ++count) {
gr_text(gr_sys_font(), x + 4, ty, text_[row], 0);
--row;
if (row < 0) row = text_rows_ - 1;
}
}
}
// TODO merge drawing routines with screen_ui
void WearRecoveryUI::update_progress_locked() {
draw_screen_locked();
gr_flip();
}
void WearRecoveryUI::SetStage(int current, int max) {
}
void WearRecoveryUI::StartMenu(const char* const* headers, const char* const* items,
int initial_selection) {
pthread_mutex_lock(&updateMutex);
if (text_rows_ > 0 && text_cols_ > 0) {
menu_headers_ = headers;
menu_.clear();
// "i < text_rows_" is removed from the loop termination condition,
// which is different from the one in ScreenRecoveryUI::StartMenu().
// Because WearRecoveryUI supports scrollable menu, it's fine to have
// more entries than text_rows_. The menu may be truncated otherwise.
// Bug: 23752519
for (size_t i = 0; items[i] != nullptr; i++) {
menu_.emplace_back(std::string(items[i], strnlen(items[i], text_cols_ - 1)));
}
menu_items = static_cast<int>(menu_.size());
show_menu = true;
menu_sel = initial_selection;
menu_start = 0;
menu_end = text_rows_ - 1 - kMenuUnusableRows;
if (menu_items <= menu_end) menu_end = menu_items;
update_screen_locked();
}
pthread_mutex_unlock(&updateMutex);
}
int WearRecoveryUI::SelectMenu(int sel) {
int old_sel;
pthread_mutex_lock(&updateMutex);
if (show_menu) {
old_sel = menu_sel;
menu_sel = sel;
if (menu_sel < 0) menu_sel = 0;
if (menu_sel >= menu_items) menu_sel = menu_items - 1;
if (menu_sel < menu_start) {
menu_start--;
menu_end--;
} else if (menu_sel >= menu_end && menu_sel < menu_items) {
menu_end++;
menu_start++;
}
sel = menu_sel;
if (menu_sel != old_sel) update_screen_locked();
}
pthread_mutex_unlock(&updateMutex);
return sel;
}
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