From 8e28ef62517221e6657624951642462395c78c1e Mon Sep 17 00:00:00 2001
From: bingo619 <348872073@qq.com>
Date: Mon, 8 Aug 2016 18:42:01 +1000
Subject: [PATCH] Oasis orientation

---
 frontend/device/input.lua         | 48 ++++++++++++++++++++-----------
 frontend/device/kindle/device.lua | 28 ++++++++++++++++++
 2 files changed, 60 insertions(+), 16 deletions(-)

diff --git a/frontend/device/input.lua b/frontend/device/input.lua
index 742ff647a..520ed1667 100644
--- a/frontend/device/input.lua
+++ b/frontend/device/input.lua
@@ -5,6 +5,7 @@ local DEBUG = require("dbg")
 local _ = require("gettext")
 local Key = require("device/key")
 local GestureDetector = require("device/gesturedetector")
+local framebuffer = require("ffi/framebuffer")
 
 -- luacheck: push
 -- luacheck: ignore
@@ -42,10 +43,14 @@ local ABS_MT_PRESSURE = 58
 -- For device orientation events (ABS.code)
 
 local ABS_PRESSURE = 24
+local DEVICE_ORIENTATION_PORTRAIT_LEFT = 15
+local DEVICE_ORIENTATION_PORTRAIT_RIGHT = 17
 local DEVICE_ORIENTATION_PORTRAIT = 19
+local DEVICE_ORIENTATION_PORTRAIT_ROTATED_LEFT = 16
+local DEVICE_ORIENTATION_PORTRAIT_ROTATED_RIGHT = 18
 local DEVICE_ORIENTATION_PORTRAIT_ROTATED = 20
 local DEVICE_ORIENTATION_LANDSCAPE = 21
-local DEVICE_ORIENTATION_LANDSCAPE_ROTATED = 21
+local DEVICE_ORIENTATION_LANDSCAPE_ROTATED = 22
 
 -- luacheck: pop
 
@@ -90,10 +95,10 @@ local Input = {
     },
 
     rotation_map = {
-        [0] = {},
-        [1] = { Up = "Right", Right = "Down", Down = "Left", Left = "Up" },
-        [2] = { Up = "Down", Right = "Left", Down = "Up", Left = "Right", LPgFwd = "LPgBack", LPgBack = "LPgFwd", RPgFwd = "RPgBack", RPgBack = "RPgFwd" },
-        [3] = { Up = "Left", Right = "Up", Down = "Right", Left = "Down" }
+        [framebuffer.ORIENTATION_PORTRAIT] = {},
+        [framebuffer.ORIENTATION_LANDSCAPE] = { Up = "Right", Right = "Down", Down = "Left", Left = "Up" },
+        [framebuffer.ORIENTATION_PORTRAIT_ROTATED] = { Up = "Down", Right = "Left", Down = "Up", Left = "Right", LPgFwd = "LPgBack", LPgBack = "LPgFwd", RPgFwd = "RPgBack", RPgBack = "RPgFwd" },
+        [framebuffer.ORIENTATION_LANDSCAPE_ROTATED] = { Up = "Left", Right = "Up", Down = "Right", Left = "Down" , LPgFwd = "LPgBack", LPgBack = "LPgFwd", RPgFwd = "RPgBack", RPgBack = "RPgFwd" }
     },
 
     timer_callbacks = {},
@@ -459,20 +464,31 @@ function Input:handleTouchEvPhoenix(ev)
 end
 
 function Input:handleOrientationEv(ev)
-
     if ev.type == EV_ABS then
-        if ev.code == ABS_PRESSURE and self.device.screen:getScreenMode() == 'portrait' then
-            local refreshUI = false
-            local rotation_mode = 0
-            if ev.value == DEVICE_ORIENTATION_PORTRAIT then
-                refreshUI = true
-            elseif ev.value == DEVICE_ORIENTATION_PORTRAIT_ROTATED then
-                refreshUI = true
-                rotation_mode = 2
+        if ev.code == ABS_PRESSURE then
+
+            local rotation_mode, screen_mode
+            if ev.value == DEVICE_ORIENTATION_PORTRAIT or ev.value == DEVICE_ORIENTATION_PORTRAIT_LEFT or ev.value == DEVICE_ORIENTATION_PORTRAIT_RIGHT then
+                rotation_mode = framebuffer.ORIENTATION_PORTRAIT
+                screen_mode = 'portrait'
+            elseif ev.value == DEVICE_ORIENTATION_LANDSCAPE then
+                rotation_mode = framebuffer.ORIENTATION_LANDSCAPE
+                screen_mode = 'landscape'
+            elseif ev.value == DEVICE_ORIENTATION_PORTRAIT_ROTATED or ev.value == DEVICE_ORIENTATION_PORTRAIT_ROTATED_LEFT or ev.value == DEVICE_ORIENTATION_PORTRAIT_ROTATED_RIGHT then
+                rotation_mode = framebuffer.ORIENTATION_PORTRAIT_ROTATED
+                screen_mode = 'portrait'
+            elseif ev.value == DEVICE_ORIENTATION_LANDSCAPE_ROTATED then
+                rotation_mode = framebuffer.ORIENTATION_LANDSCAPE_ROTATED
+                screen_mode = 'landscape'
             end
 
-            local oldRotation = self.device.screen:getRotationMode()
-            if refreshUI and rotation_mode ~= oldRotation then
+            local old_rotation_mode = self.device.screen:getRotationMode()
+            local old_screen_mode = self.device.screen:getScreenMode();
+            DEBUG("old_rotation_mode: ", old_rotation_mode)
+            DEBUG("new_rotation_mode: ", rotation_mode)
+            DEBUG("old_screen_mode: ", old_screen_mode)
+            DEBUG("new_screen_mode: ", screen_mode)
+            if rotation_mode ~= old_rotation_mode and screen_mode == old_screen_mode then
                 self.device.screen:setRotationMode(rotation_mode)
                 local UIManager = require("ui/uimanager")
                 UIManager:onRotation()
diff --git a/frontend/device/kindle/device.lua b/frontend/device/kindle/device.lua
index 9f4fe8f96..6b4c6e172 100644
--- a/frontend/device/kindle/device.lua
+++ b/frontend/device/kindle/device.lua
@@ -349,6 +349,34 @@ function KindleOasis:init()
         }
     }
 
+    local lipc = require("liblipclua")
+    if lipc then
+        local lipc_handle = lipc.init("com.github.koreader.screen")
+        if lipc_handle then
+            local orientation_code = lipc_handle:get_string_property("com.lab126.winmgr", "accelerometer")
+            local rotation_mode = 0
+            if orientation_code then
+                if orientation_code == "V" then
+                    rotation_mode = self.screen.ORIENTATION_PORTRAIT
+                elseif orientation_code == "R" then
+                    rotation_mode = self.screen.ORIENTATION_LANDSCAPE
+                elseif orientation_code == "D" then
+                    rotation_mode = self.screen.ORIENTATION_PORTRAIT_ROTATED
+                elseif orientation_code == "L" then
+                    rotation_mode = self.screen.ORIENTATION_LANDSCAPE_ROTATED
+                end
+            end
+
+            if rotation_mode > 0 then
+                self.screen.native_rotation_mode = rotation_mode
+                self.screen.cur_rotation_mode = rotation_mode
+            end
+
+            lipc_handle:close()
+        end
+    end
+
+
     Kindle.init(self)
 
     self.input.open(self.touch_dev)