recovery_ui/wear_ui.cpp - platform/bootable/recovery - Git at Google

 /*
  * 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 "otautil/paths.h"
 #include "recovery_ui/wear_ui.h"

 #include <string.h>

 #include <string>
 #include <vector>

 #include <android-base/logging.h>
 #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)),
       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;
 }

 static void FlipOrientation() {
   auto rotation = gr_get_rotation();
   if (rotation == GRRotation::NONE) {
     gr_rotate(GRRotation::DOWN);
   } else if (rotation == GRRotation::DOWN) {
     gr_rotate(GRRotation::NONE);
   } else {
     LOG(WARNING) << "Unsupported rotation for wrist orientation" << static_cast<int>(rotation);
   }
 }

 // Match values in
 // frameworks/opt/wear/src/com/android/clockwork/wristorientation/WristOrientationService.java
 enum class WristOrientation : unsigned {
   LEFT_WRIST_ROTATION_0 = 0,
   LEFT_WRIST_ROTATION_180 = 1,
   RIGHT_WRIST_ROTATION_0 = 2,
   RIGHT_WRIST_ROTATION_180 = 3,
 };

 static void InitWristOrientation() {
   auto prop = android::base::GetUintProperty("ro.boot.wrist_orientation", 0u);
   WristOrientation orientation{ prop };
   if (orientation == WristOrientation::LEFT_WRIST_ROTATION_180 ||
       orientation == WristOrientation::RIGHT_WRIST_ROTATION_180) {
     LOG(INFO)
         << "InitWristOrientation(): flipping orientation because, 'ro.boot.wrist_orientation'="
         << prop;

     FlipOrientation();
   }
 }

 bool WearRecoveryUI::Init(const std::string& locale) {
   auto result = ScreenRecoveryUI::Init(locale);
   auto wrist_orientation_enabled =
       android::base::GetBoolProperty("config.enable_wristorientation", false);
   LOG(INFO) << "WearRecoveryUI::Init(): enable_wristorientation=" << wrist_orientation_enabled;
   if (wrist_orientation_enabled) {
     InitWristOrientation();
   }
   return result;
 }

 // 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 (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);
   }

   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 = (ScreenHeight() - gr_get_height(text)) / 2;
     gr_color(255, 255, 255, 255);
     gr_texticon(text_x, text_y, text);
   }
 }

 void WearRecoveryUI::draw_screen_locked() {
   if (!show_text) {
     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
 void WearRecoveryUI::update_progress_locked() {
   draw_screen_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,
                                                  const std::vector<std::string>& text_items,
                                                  size_t initial_selection) const {
   if (text_rows_ > 0 && text_cols_ > 0) {
     return std::make_unique<TextMenu>(scrollable_menu_, text_rows_ - menu_unusable_rows_ - 1,
                                       text_cols_ - 1, text_headers, text_items, initial_selection,
                                       char_height_, *this);
   }

   return nullptr;
 }
	/*
	* 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 "otautil/paths.h"
	#include "recovery_ui/wear_ui.h"

	#include <string.h>

	#include <string>
	#include <vector>

	#include <android-base/logging.h>
	#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)),
	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;
	}

	static void FlipOrientation() {
	auto rotation = gr_get_rotation();
	if (rotation == GRRotation::NONE) {
	gr_rotate(GRRotation::DOWN);
	} else if (rotation == GRRotation::DOWN) {
	gr_rotate(GRRotation::NONE);
	} else {
	LOG(WARNING) << "Unsupported rotation for wrist orientation" << static_cast<int>(rotation);
	}
	}

	// Match values in
	// frameworks/opt/wear/src/com/android/clockwork/wristorientation/WristOrientationService.java
	enum class WristOrientation : unsigned {
	LEFT_WRIST_ROTATION_0 = 0,
	LEFT_WRIST_ROTATION_180 = 1,
	RIGHT_WRIST_ROTATION_0 = 2,
	RIGHT_WRIST_ROTATION_180 = 3,
	};

	static void InitWristOrientation() {
	auto prop = android::base::GetUintProperty("ro.boot.wrist_orientation", 0u);
	WristOrientation orientation{ prop };
	if (orientation == WristOrientation::LEFT_WRIST_ROTATION_180 \|\|
	orientation == WristOrientation::RIGHT_WRIST_ROTATION_180) {
	LOG(INFO)
	<< "InitWristOrientation(): flipping orientation because, 'ro.boot.wrist_orientation'="
	<< prop;

	FlipOrientation();
	}
	}

	bool WearRecoveryUI::Init(const std::string& locale) {
	auto result = ScreenRecoveryUI::Init(locale);
	auto wrist_orientation_enabled =
	android::base::GetBoolProperty("config.enable_wristorientation", false);
	LOG(INFO) << "WearRecoveryUI::Init(): enable_wristorientation=" << wrist_orientation_enabled;
	if (wrist_orientation_enabled) {
	InitWristOrientation();
	}
	return result;
	}

	// 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 (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);
	}

	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 = (ScreenHeight() - gr_get_height(text)) / 2;
	gr_color(255, 255, 255, 255);
	gr_texticon(text_x, text_y, text);
	}
	}

	void WearRecoveryUI::draw_screen_locked() {
	if (!show_text) {
	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
	void WearRecoveryUI::update_progress_locked() {
	draw_screen_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,
	const std::vector<std::string>& text_items,
	size_t initial_selection) const {
	if (text_rows_ > 0 && text_cols_ > 0) {
	return std::make_unique<TextMenu>(scrollable_menu_, text_rows_ - menu_unusable_rows_ - 1,
	text_cols_ - 1, text_headers, text_items, initial_selection,
	char_height_, *this);
	}

	return nullptr;
	}