From f01b26118874d444d3ac82e3705067c9edc57a38 Mon Sep 17 00:00:00 2001
From: Qingping Hou <dave2008713@gmail.com>
Date: Tue, 26 Apr 2016 00:16:27 -0700
Subject: [PATCH 1/2] test: add kindle init and fl tests

---
 spec/unit/device_spec.lua | 64 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/spec/unit/device_spec.lua b/spec/unit/device_spec.lua
index ac26c3228..3a2f84532 100644
--- a/spec/unit/device_spec.lua
+++ b/spec/unit/device_spec.lua
@@ -95,4 +95,68 @@ describe("device module", function()
             mock_input.open:revert()
         end)
     end)
+
+    describe("kindle", function()
+        it("should initialize voyager without error", function()
+            package.loaded['ffi/framebuffer_mxcfb'] = mock_fb
+            stub(io, "open")
+            io.open.returns({
+                read = function()
+                    return "XX13XX"
+                end,
+                close = function() end
+            })
+            mock_input = require('device/input')
+            stub(mock_input, "open")
+
+            local kindle_dev = require("device/kindle/device")
+            assert.is.same(kindle_dev.model, "KindleVoyage")
+            kindle_dev:init()
+            assert.is.same(kindle_dev.input.event_map[104], "LPgBack")
+            assert.is.same(kindle_dev.input.event_map[109], "LPgFwd")
+            assert.is.same(kindle_dev.powerd.fl_min, 0)
+            assert.is.same(kindle_dev.powerd.fl_max, 24)
+
+            io.open:revert()
+            package.loaded['ffi/framebuffer_mxcfb'] = nil
+            mock_input.open:revert()
+        end)
+
+        it("should toggle frontlight", function()
+            package.loaded['ffi/framebuffer_mxcfb'] = mock_fb
+            stub(io, "open")
+            io.open.returns({
+                read = function()
+                    return "12"
+                end,
+                close = function() end
+            })
+            mock_input = require('device/input')
+            stub(mock_input, "open")
+            stub(os, "execute")
+
+            local kindle_dev = require("device/kindle/device")
+            kindle_dev:init()
+
+            assert.is.same(kindle_dev.powerd.fl_intensity, 12)
+            kindle_dev.powerd:setIntensity(5)
+            assert.stub(os.execute).was_called_with(
+                "echo -n 5 > /sys/class/backlight/max77696-bl/brightness")
+            assert.is.same(kindle_dev.powerd.fl_intensity, 5)
+
+            kindle_dev.powerd:toggleFrontlight()
+            assert.stub(os.execute).was_called_with(
+                "echo -n 0 > /sys/class/backlight/max77696-bl/brightness")
+            assert.is.same(kindle_dev.powerd.fl_intensity, 5)
+
+            kindle_dev.powerd:toggleFrontlight()
+            assert.stub(os.execute).was_called_with(
+                "echo -n 5 > /sys/class/backlight/max77696-bl/brightness")
+
+            io.open:revert()
+            package.loaded['ffi/framebuffer_mxcfb'] = nil
+            mock_input.open:revert()
+            os.execute:revert()
+        end)
+    end)
 end)

From 2bcc3671c58b730f60f56881a707b1450a0f0d5f Mon Sep 17 00:00:00 2001
From: Qingping Hou <dave2008713@gmail.com>
Date: Sun, 1 May 2016 00:51:50 -0700
Subject: [PATCH 2/2] scrolltextwideget(fix): listen to page fwd/bck events

---
 frontend/ui/widget/scrolltextwidget.lua | 40 ++++++++++++++++++++-----
 1 file changed, 33 insertions(+), 7 deletions(-)

diff --git a/frontend/ui/widget/scrolltextwidget.lua b/frontend/ui/widget/scrolltextwidget.lua
index 28a86ee00..85018f248 100644
--- a/frontend/ui/widget/scrolltextwidget.lua
+++ b/frontend/ui/widget/scrolltextwidget.lua
@@ -4,10 +4,11 @@ local VerticalScrollBar = require("ui/widget/verticalscrollbar")
 local Geom = require("ui/geometry")
 local GestureRange = require("ui/gesturerange")
 local UIManager = require("ui/uimanager")
-local Screen = require("device").screen
+local Device = require("device")
+local Screen = Device.screen
+local Input = Device.input
 local HorizontalGroup = require("ui/widget/horizontalgroup")
 local HorizontalSpan = require("ui/widget/horizontalspan")
-local Device = require("device")
 local Blitbuffer = require("ffi/blitbuffer")
 
 --[[
@@ -57,6 +58,12 @@ function ScrollTextWidget:init()
             },
         }
     end
+    if Device:hasKeyboard() or Device:hasKeys() then
+        self.key_events = {
+            ScrollDown = {{Input.group.PgFwd}, doc = "scroll down"},
+            ScrollUp = {{Input.group.PgBack}, doc = "scroll up"},
+        }
+    end
 end
 
 function ScrollTextWidget:updateScrollBar(text)
@@ -69,17 +76,36 @@ function ScrollTextWidget:updateScrollBar(text)
     )
 end
 
-function ScrollTextWidget:onScrollText(arg, ges)
-    if ges.direction == "north" then
+function ScrollTextWidget:scrollText(direction)
+    if direction == 0 then return end
+    if direction > 0 then
         self.text_widget:scrollDown()
-        self:updateScrollBar(self.text_widget)
-    elseif ges.direction == "south" then
+    else
         self.text_widget:scrollUp()
-        self:updateScrollBar(self.text_widget)
     end
+    self:updateScrollBar(self.text_widget)
     UIManager:setDirty(self.dialog, function()
         return "partial", self.dimen
     end)
 end
 
+function ScrollTextWidget:onScrollText(arg, ges)
+    if ges.direction == "north" then
+        self:scrollText(1)
+    elseif ges.direction == "south" then
+        self:scrollText(-1)
+    end
+    return true
+end
+
+function ScrollTextWidget:onScrollDown()
+    self:scrollText(1)
+    return true
+end
+
+function ScrollTextWidget:onScrollUp()
+    self:scrollText(-1)
+    return true
+end
+
 return ScrollTextWidget