7 files changed, 117 insertions, 27 deletions
diff --git a/recovery_ui/Android.bp b/recovery_ui/Android.bp
index 9dfee5fd5..f64b0d1c9 100644
--- a/recovery_ui/Android.bp
+++ b/recovery_ui/Android.bp
@@ -12,6 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "bootable_recovery_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["bootable_recovery_license"],
+}
+
 cc_library {
     name: "librecovery_ui",
     recovery_available: true,
@@ -22,6 +31,7 @@ cc_library {
 
     srcs: [
         "device.cpp",
+        "ethernet_device.cpp",
         "ethernet_ui.cpp",
         "screen_ui.cpp",
         "stub_ui.cpp",
@@ -102,7 +112,7 @@ cc_library_static {
     ],
 
     srcs: [
-        "ethernet_device.cpp",
+        "default_ethernet_device.cpp",
     ],
 
     shared_libs: [
diff --git a/recovery_ui/default_ethernet_device.cpp b/recovery_ui/default_ethernet_device.cpp
new file mode 100644
index 000000000..1fdff0d86
--- /dev/null
+++ b/recovery_ui/default_ethernet_device.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 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 "recovery_ui/device.h"
+#include "recovery_ui/ethernet_device.h"
+#include "recovery_ui/ethernet_ui.h"
+
+Device* make_device() {
+  return new EthernetDevice(new EthernetRecoveryUI);
+}
diff --git a/recovery_ui/ethernet_device.cpp b/recovery_ui/ethernet_device.cpp
index 39ec65dc4..d79f41dec 100644
--- a/recovery_ui/ethernet_device.cpp
+++ b/recovery_ui/ethernet_device.cpp
@@ -27,23 +27,9 @@
 #include <sys/types.h>
 
 #include "recovery_ui/device.h"
+#include "recovery_ui/ethernet_device.h"
 #include "recovery_ui/ethernet_ui.h"
 
-class EthernetDevice : public Device {
- public:
-  explicit EthernetDevice(EthernetRecoveryUI* ui);
-
-  void PreRecovery() override;
-  void PreFastboot() override;
-
- private:
-  int SetInterfaceFlags(const unsigned set, const unsigned clr);
-  void SetTitleIPv6LinkLocalAddress(const bool interface_up);
-
-  android::base::unique_fd ctl_sock_;
-  static const std::string interface;
-};
-
 const std::string EthernetDevice::interface = "eth0";
 
 EthernetDevice::EthernetDevice(EthernetRecoveryUI* ui)
@@ -129,8 +115,3 @@ void EthernetDevice::SetTitleIPv6LinkLocalAddress(const bool interface_up) {
 
   recovery_ui->SetIPv6LinkLocalAddress();
 }
-
-// -----------------------------------------------------------------------------------------
-Device* make_device() {
-  return new EthernetDevice(new EthernetRecoveryUI);
-}
diff --git a/recovery_ui/include/recovery_ui/ethernet_device.h b/recovery_ui/include/recovery_ui/ethernet_device.h
new file mode 100644
index 000000000..ea710ab93
--- /dev/null
+++ b/recovery_ui/include/recovery_ui/ethernet_device.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#ifndef _ETHERNET_RECOVERY_DEVICE_H
+#define _ETHERNET_RECOVERY_DEVICE_H
+
+#include "device.h"
+
+#include <android-base/unique_fd.h>
+
+// Forward declaration to avoid including "ethernet_ui.h".
+class EthernetRecoveryUI;
+
+class EthernetDevice : public Device {
+ public:
+  explicit EthernetDevice(EthernetRecoveryUI* ui);
+
+  void PreRecovery() override;
+  void PreFastboot() override;
+
+ private:
+  int SetInterfaceFlags(const unsigned set, const unsigned clr);
+  void SetTitleIPv6LinkLocalAddress(const bool interface_up);
+
+  android::base::unique_fd ctl_sock_;
+  static const std::string interface;
+};
+
+#endif  // _ETHERNET_RECOVERY_DEVICE_H
diff --git a/recovery_ui/include/recovery_ui/ui.h b/recovery_ui/include/recovery_ui/ui.h
index 08ec1d76a..512732f90 100644
--- a/recovery_ui/include/recovery_ui/ui.h
+++ b/recovery_ui/include/recovery_ui/ui.h
@@ -192,6 +192,8 @@ class RecoveryUI {
     return key_interrupted_;
   }
 
+  virtual bool IsUsbConnected();
+
  protected:
   void EnqueueKey(int key_code);
 
@@ -226,8 +228,6 @@ class RecoveryUI {
   void ProcessKey(int key_code, int updown);
   void TimeKey(int key_code, int count);
 
-  bool IsUsbConnected();
-
   bool InitScreensaver();
   void SetScreensaverState(ScreensaverState state);
 
diff --git a/recovery_ui/screen_ui.cpp b/recovery_ui/screen_ui.cpp
index 087fc0e84..b2c828f34 100644
--- a/recovery_ui/screen_ui.cpp
+++ b/recovery_ui/screen_ui.cpp
@@ -37,6 +37,7 @@
 #include <unordered_map>
 #include <vector>
 
+#include <android-base/chrono_utils.h>
 #include <android-base/logging.h>
 #include <android-base/properties.h>
 #include <android-base/stringprintf.h>
@@ -448,7 +449,9 @@ void ScreenRecoveryUI::draw_foreground_locked() {
     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 (frame_x >= 0 && frame_y >= 0 && (frame_x + frame_width) < ScreenWidth() &&
+        (frame_y + frame_height) < ScreenHeight())
+      DrawSurface(frame, 0, 0, frame_width, frame_height, frame_x, frame_y);
   }
 
   if (progressBarType != EMPTY) {
@@ -879,10 +882,28 @@ bool ScreenRecoveryUI::LoadWipeDataMenuText() {
   return true;
 }
 
+static bool InitGraphics() {
+  // Timeout is same as init wait for file default of 5 seconds and is arbitrary
+  const unsigned timeout = 500;  // 10ms increments
+  for (auto retry = timeout; retry > 0; --retry) {
+    if (gr_init() == 0) {
+      if (retry < timeout) {
+        // Log message like init wait for file completion log for consistency.
+        LOG(WARNING) << "wait for 'graphics' took " << ((timeout - retry) * 10) << "ms";
+      }
+      return true;
+    }
+    std::this_thread::sleep_for(10ms);
+  }
+  // Log message like init wait for file timeout log for consistency.
+  LOG(ERROR) << "timeout wait for 'graphics' took " << (timeout * 10) << "ms";
+  return false;
+}
+
 bool ScreenRecoveryUI::Init(const std::string& locale) {
   RecoveryUI::Init(locale);
 
-  if (gr_init() == -1) {
+  if (!InitGraphics()) {
     return false;
   }
 
diff --git a/recovery_ui/ui.cpp b/recovery_ui/ui.cpp
index 330721773..6e67b1d4e 100644
--- a/recovery_ui/ui.cpp
+++ b/recovery_ui/ui.cpp
@@ -48,6 +48,10 @@ constexpr const char* MAX_BRIGHTNESS_FILE = "/sys/class/leds/lcd-backlight/max_b
 constexpr const char* BRIGHTNESS_FILE_SDM = "/sys/class/backlight/panel0-backlight/brightness";
 constexpr const char* MAX_BRIGHTNESS_FILE_SDM =
     "/sys/class/backlight/panel0-backlight/max_brightness";
+constexpr const char* BRIGHTNESS_FILE_PWM =
+    "/sys/class/backlight/pwm-backlight.0/brightness";
+constexpr const char* MAX_BRIGHTNESS_FILE_PWM =
+    "/sys/class/backlight/pwm-backlight.0/max_brightness";
 
 constexpr int kDefaultTouchLowThreshold = 50;
 constexpr int kDefaultTouchHighThreshold = 90;
@@ -106,10 +110,19 @@ bool RecoveryUI::InitScreensaver() {
     return false;
   }
   if (access(brightness_file_.c_str(), R_OK | W_OK)) {
-    brightness_file_ = BRIGHTNESS_FILE_SDM;
+    if (!access(BRIGHTNESS_FILE_SDM, R_OK | W_OK)) {
+      brightness_file_ = BRIGHTNESS_FILE_SDM;
+    } else {
+      brightness_file_ = BRIGHTNESS_FILE_PWM;
+    }
   }
+
   if (access(max_brightness_file_.c_str(), R_OK)) {
-    max_brightness_file_ = MAX_BRIGHTNESS_FILE_SDM;
+    if (!access(MAX_BRIGHTNESS_FILE_SDM, R_OK)) {
+      max_brightness_file_ = MAX_BRIGHTNESS_FILE_SDM;
+    } else {
+      max_brightness_file_ = MAX_BRIGHTNESS_FILE_PWM;
+    }
   }
   // Set the initial brightness level based on the max brightness. Note that reading the initial
   // value from BRIGHTNESS_FILE doesn't give the actual brightness value (bullhead, sailfish), so