Wear Recovery UI: Adjust for round screens

Change-Id: Ice4b8d4fcdc37ee1ca44ef195cb870b141862f08

fastboot/fastboot.cpp

@@ -36,10 +36,8 @@ static const std::vector<std::pair<std::string, Device::BuiltinAction>> kFastboo
   { "Power off", Device::SHUTDOWN_FROM_FASTBOOT },
 };
 
-Device::BuiltinAction StartFastboot(Device* device, const std::vector<std::string>& /* args */) {
-  RecoveryUI* ui = device->GetUI();
-
-  std::vector<std::string> title_lines = { "Android Fastboot" };
+void FillDefaultFastbootLines(std::vector<std::string>& title_lines) {
+  title_lines.push_back("Android Fastboot");
   title_lines.push_back("Product name - " + android::base::GetProperty("ro.product.device", ""));
   title_lines.push_back("Bootloader version - " + android::base::GetProperty("ro.bootloader", ""));
   title_lines.push_back("Baseband version - " +
@@ -48,6 +46,32 @@ Device::BuiltinAction StartFastboot(Device* device, const std::vector<std::strin
   title_lines.push_back(std::string("Secure boot - ") +
                         ((android::base::GetProperty("ro.secure", "") == "1") ? "yes" : "no"));
   title_lines.push_back("HW version - " + android::base::GetProperty("ro.revision", ""));
+}
+
+void FillWearableFastbootLines(std::vector<std::string>& title_lines) {
+  title_lines.push_back("Android Fastboot");
+  title_lines.push_back(android::base::GetProperty("ro.product.device", "") + " - " +
+                        android::base::GetProperty("ro.revision", ""));
+  title_lines.push_back(android::base::GetProperty("ro.bootloader", ""));
+
+  const size_t max_baseband_len = 24;
+  const std::string& baseband = android::base::GetProperty("ro.build.expect.baseband", "");
+  title_lines.push_back(baseband.length() > max_baseband_len
+                            ? baseband.substr(0, max_baseband_len - 3) + "..."
+                            : baseband);
+
+  title_lines.push_back("Serial #: " + android::base::GetProperty("ro.serialno", ""));
+}
+
+Device::BuiltinAction StartFastboot(Device* device, const std::vector<std::string>& /* args */) {
+  RecoveryUI* ui = device->GetUI();
+  std::vector<std::string> title_lines;
+
+  if (ui->IsWearable()) {
+    FillWearableFastbootLines(title_lines);
+  } else {
+    FillDefaultFastbootLines(title_lines);
+  }
 
   ui->ResetKeyInterruptStatus();
   ui->SetTitle(title_lines);

recovery_ui/include/recovery_ui/screen_ui.h

@@ -309,7 +309,7 @@ class ScreenRecoveryUI : public RecoveryUI, public DrawInterface {
   void PutChar(char);
   void ClearText();
 
-  void LoadAnimation();
+  virtual void LoadAnimation();
   std::unique_ptr<GRSurface> LoadBitmap(const std::string& filename);
   std::unique_ptr<GRSurface> LoadLocalizedBitmap(const std::string& filename);
 
@@ -416,6 +416,7 @@ class ScreenRecoveryUI : public RecoveryUI, public DrawInterface {
   // Display the background texts for "erasing", "error", "no_command" and "installing" for the
   // selected locale.
   void SelectAndShowBackgroundText(const std::vector<std::string>& locales_entries, size_t sel);
+
 };
 
 #endif  // RECOVERY_UI_H

recovery_ui/include/recovery_ui/ui.h

@@ -177,6 +177,10 @@ class RecoveryUI {
       const std::vector<std::string>& backup_headers, const std::vector<std::string>& backup_items,
       const std::function<int(int, bool)>& key_handler) = 0;
 
+  virtual bool IsWearable() {
+    return false;
+  }
+
   // Set whether or not the fastbootd logo is displayed.
   void SetEnableFastbootdLogo(bool enable) {
     fastbootd_logo_enabled_ = enable;

recovery_ui/include/recovery_ui/wear_ui.h

@@ -29,6 +29,10 @@ class WearRecoveryUI : public ScreenRecoveryUI {
   void SetStage(int current, int max) override;
 
  protected:
+  // curved progress bar frames for round screens
+  std::vector<std::unique_ptr<GRSurface>> progress_frames_;
+  std::vector<std::unique_ptr<GRSurface>> rtl_progress_frames_;
+
   // progress bar vertical position, it's centered horizontally
   const int progress_bar_baseline_;
 
@@ -36,17 +40,30 @@ class WearRecoveryUI : public ScreenRecoveryUI {
   // Recovery, build id and etc) and the bottom lines that may otherwise go out of the screen.
   const int menu_unusable_rows_;
 
+  const bool is_screen_circle_;
+
   std::unique_ptr<Menu> CreateMenu(const std::vector<std::string>& text_headers,
                                    const std::vector<std::string>& text_items,
                                    size_t initial_selection) const override;
 
   int GetProgressBaseline() const override;
 
+  int GetTextBaseline() const override;
+
   void update_progress_locked() override;
 
+  void LoadAnimation() override;
+
+  bool IsWearable() override;
+
+  void SetProgress(float fraction) override;
+
  private:
   void draw_background_locked() override;
   void draw_screen_locked() override;
+  void draw_circle_foreground_locked();
+  size_t GetProgressFrameIndex(float fraction) const;
+
 };
 
 #endif  // RECOVERY_WEAR_UI_H

recovery_ui/wear_ui.cpp

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include "otautil/paths.h"
 #include "recovery_ui/wear_ui.h"
 
 #include <string.h>
@@ -23,24 +24,25 @@
 
 #include <android-base/properties.h>
 #include <android-base/strings.h>
+
 #include <minui/minui.h>
 
 constexpr int kDefaultProgressBarBaseline = 259;
 constexpr int kDefaultMenuUnusableRows = 9;
+constexpr int kProgressBarVerticalOffsetDp = 72;
+constexpr bool kDefaultIsScreenCircle = true;
 
 WearRecoveryUI::WearRecoveryUI()
     : ScreenRecoveryUI(true),
       progress_bar_baseline_(android::base::GetIntProperty("ro.recovery.ui.progress_bar_baseline",
                                                            kDefaultProgressBarBaseline)),
       menu_unusable_rows_(android::base::GetIntProperty("ro.recovery.ui.menu_unusable_rows",
-                                                        kDefaultMenuUnusableRows)) {
+                                                        kDefaultMenuUnusableRows)),
+      is_screen_circle_(android::base::GetBoolProperty("ro.recovery.ui.is_screen_circle",
+                                                             kDefaultIsScreenCircle)) {
   // TODO: menu_unusable_rows_ should be computed based on the lines in draw_screen_locked().
-
   touch_screen_allowed_ = true;
-}
-
-int WearRecoveryUI::GetProgressBaseline() const {
-  return progress_bar_baseline_;
+  SetEnableFastbootdLogo(false); // logo not required on Wear
 }
 
 // Draw background frame on the screen.  Does not flip pages.
@@ -51,40 +53,152 @@ void WearRecoveryUI::draw_background_locked() {
   gr_color(0, 0, 0, 255);
   gr_fill(0, 0, gr_fb_width(), gr_fb_height());
 
-  if (current_icon_ != NONE) {
+  if (current_icon_ == ERROR) {
     const auto& 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);
+  }
 
-    // Draw recovery text on screen above progress bar.
+  if (current_icon_ != NONE) {
+    // Draw recovery text on screen centered
     const auto& text = GetCurrentText();
     int text_x = (ScreenWidth() - gr_get_width(text)) / 2;
-    int text_y = GetProgressBaseline() - gr_get_height(text) - 10;
+    int text_y = (ScreenHeight() - gr_get_height(text)) / 2;
     gr_color(255, 255, 255, 255);
     gr_texticon(text_x, text_y, text);
   }
 }
 
 void WearRecoveryUI::draw_screen_locked() {
-  draw_background_locked();
   if (!show_text) {
-    draw_foreground_locked();
-  } else {
-    SetColor(UIElement::TEXT_FILL);
-    gr_fill(0, 0, gr_fb_width(), gr_fb_height());
-
-    // clang-format off
-    static std::vector<std::string> SWIPE_HELP = {
-      "Swipe up/down to move.",
-      "Swipe left/right to select.",
-      "",
-    };
-    // clang-format on
-    draw_menu_and_text_buffer_locked(SWIPE_HELP);
+    draw_background_locked();
+    if (is_screen_circle_) {
+        draw_circle_foreground_locked();
+    } else {
+        draw_foreground_locked();
+    }
+    return;
   }
+
+  SetColor(UIElement::TEXT_FILL);
+  gr_clear();
+
+  // clang-format off
+  static std::vector<std::string> SWIPE_HELP = {
+    "Swipe up/down to move.",
+    "Swipe left/right to select.",
+    "",
+  };
+  // clang-format on
+  draw_menu_and_text_buffer_locked(SWIPE_HELP);
+}
+
+void WearRecoveryUI::draw_circle_foreground_locked() {
+    if (current_icon_ != NONE) {
+        const auto& frame = GetCurrentFrame();
+        int frame_width = gr_get_width(frame);
+        int frame_height = gr_get_height(frame);
+        int frame_x = (ScreenWidth() - frame_width) / 2;
+        int frame_y = GetAnimationBaseline();
+        DrawSurface(frame, 0, 0, frame_width, frame_height, frame_x, frame_y);
+      }
+
+    if (progressBarType == DETERMINATE) {
+        const auto& first_progress_frame = rtl_locale_ ? rtl_progress_frames_[0].get()
+                                                        :progress_frames_[0].get();
+        int width = gr_get_width(first_progress_frame);
+        int height = gr_get_height(first_progress_frame);
+
+        int progress_x = (ScreenWidth() - width) / 2;
+        int progress_y = GetProgressBaseline();
+
+        const auto index = GetProgressFrameIndex(progress);
+        const auto& frame = rtl_locale_ ? rtl_progress_frames_[index].get()
+                                        : progress_frames_[index].get();
+
+        DrawSurface(frame, 0, 0, width, height, progress_x, progress_y);
+    }
+}
+
+void WearRecoveryUI::LoadAnimation() {
+  ScreenRecoveryUI::LoadAnimation();
+  std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(Paths::Get().resource_dir().c_str()),
+                                                closedir);
+  dirent* de;
+  std::vector<std::string> progress_frame_names;
+  std::vector<std::string> rtl_progress_frame_names;
+
+  if(dir.get() == nullptr) abort();
+
+  while ((de = readdir(dir.get())) != nullptr) {
+    int value, num_chars;
+    if (sscanf(de->d_name, "progress%d%n.png", &value, &num_chars) == 1) {
+      progress_frame_names.emplace_back(de->d_name, num_chars);
+    } else if (sscanf(de->d_name, "rtl_progress%d%n.png", &value, &num_chars) == 1) {
+      rtl_progress_frame_names.emplace_back(de->d_name, num_chars);
+    }
+  }
+
+  size_t progress_frames = progress_frame_names.size();
+  size_t rtl_progress_frames = rtl_progress_frame_names.size();
+
+  // You must have an animation.
+  if (progress_frames == 0 || rtl_progress_frames == 0) abort();
+
+  std::sort(progress_frame_names.begin(), progress_frame_names.end());
+  std::sort(rtl_progress_frame_names.begin(), rtl_progress_frame_names.end());
+
+  progress_frames_.clear();
+  progress_frames_.reserve(progress_frames);
+  for (const auto& frame_name : progress_frame_names) {
+    progress_frames_.emplace_back(LoadBitmap(frame_name));
+  }
+
+  rtl_progress_frames_.clear();
+    rtl_progress_frames_.reserve(rtl_progress_frames);
+    for (const auto& frame_name : rtl_progress_frame_names) {
+      rtl_progress_frames_.emplace_back(LoadBitmap(frame_name));
+  }
+}
+
+void WearRecoveryUI::SetProgress(float fraction) {
+    if (is_screen_circle_) {
+       std::lock_guard<std::mutex> lg(updateMutex);
+       if (fraction < 0.0) fraction = 0.0;
+       if (fraction > 1.0) fraction = 1.0;
+       if (progressBarType == DETERMINATE && fraction > progress) {
+          // Skip updates that aren't visibly different.
+          if (GetProgressFrameIndex(fraction) != GetProgressFrameIndex(progress)) {
+              // circular display
+              progress = fraction;
+              update_progress_locked();
+          }
+       }
+    } else {
+        // rectangular display
+        ScreenRecoveryUI::SetProgress(fraction);
+    }
+}
+
+int WearRecoveryUI::GetProgressBaseline() const {
+  int progress_height = gr_get_height(progress_frames_[0].get());
+  return (ScreenHeight() - progress_height) / 2 + PixelsFromDp(kProgressBarVerticalOffsetDp);
+}
+
+int WearRecoveryUI::GetTextBaseline() const {
+  if (is_screen_circle_) {
+        return GetProgressBaseline() - PixelsFromDp(kProgressBarVerticalOffsetDp) -
+                                    gr_get_height(installing_text_.get());
+  } else {
+       return ScreenRecoveryUI::GetTextBaseline();
+  }
+}
+
+size_t WearRecoveryUI::GetProgressFrameIndex(float fraction) const {
+  return static_cast<size_t>(fraction * (progress_frames_.size() - 1));
 }
 
 // TODO merge drawing routines with screen_ui
@@ -93,6 +207,10 @@ void WearRecoveryUI::update_progress_locked() {
   gr_flip();
 }
 
+bool WearRecoveryUI::IsWearable() {
+  return true;
+}
+
 void WearRecoveryUI::SetStage(int /* current */, int /* max */) {}
 
 std::unique_ptr<Menu> WearRecoveryUI::CreateMenu(const std::vector<std::string>& text_headers,

tools/image_generator/draw-progress.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# arc central angle in degrees
+arc_size="64.5"
+
+arc_start=$(bc -l <<< "90 - $arc_size / 2")
+arc_end=$(bc -l <<< "90 + $arc_size / 2")
+
+N=100
+for ((i=0; i < $N; i++)); do
+	progress=$(bc -l <<< "$i / ($N - 1)")
+	fg_arc_start=$(bc -l <<< "$arc_end - $progress * $arc_size")
+
+	filename="progress$(printf "%02d" $i).png"
+	echo "-- Writing file: $filename"
+
+	convert -size 400x400 xc:black \
+		-draw "stroke-linecap round stroke-width 8 \
+				stroke gray ellipse 200,200 100,100 $arc_start,$arc_end \
+				stroke white ellipse 200,200 100,100 $fg_arc_start,$arc_end" "$filename"
+
+  echo "-- Writing file: rtl_$filename"
+  convert -size 400x400 xc:black \
+  		-draw "stroke-linecap round stroke-width 8 \
+  				stroke gray ellipse 200,200 100,100 $arc_start,$arc_end \
+  				stroke white ellipse 200,200 100,100 $fg_arc_start,$arc_end" "rtl_$filename"
+
+		mogrify -crop 120x30+140+280 "$filename"
+		mogrify -crop 120x30+140+280 "rtl_$filename"
+
+		# Use color format recovery can use
+		mogrify -define png:format=png24 -type TrueColor "$filename"
+    mogrify -define png:format=png24 -type TrueColor "rtl_$filename"
+
+		mogrify -flop "rtl_$filename"
+done