am 89ee578b: am fd035829: Add initial gamepad support.
Merge commit '89ee578b7053d27a50922f82feb94bf6054b330c'
* commit '89ee578b7053d27a50922f82feb94bf6054b330c':
Add initial gamepad support.
diff --git a/api/current.xml b/api/current.xml
index e7fb410..d093416 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -178411,6 +178411,171 @@
visibility="public"
>
</field>
+<field name="KEYCODE_BUTTON_A"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="96"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_B"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="97"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_C"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="98"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_L1"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="102"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_L2"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="104"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_MODE"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="110"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_R1"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="103"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_R2"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="105"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_SELECT"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="109"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_START"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="108"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_THUMBL"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="106"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_THUMBR"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="107"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_X"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="99"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_Y"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="100"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="KEYCODE_BUTTON_Z"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="101"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
<field name="KEYCODE_C"
type="int"
transient="false"
diff --git a/core/java/android/view/KeyEvent.java b/core/java/android/view/KeyEvent.java
index 0bfb6d6..9c05008 100755
--- a/core/java/android/view/KeyEvent.java
+++ b/core/java/android/view/KeyEvent.java
@@ -124,11 +124,27 @@
public static final int KEYCODE_PAGE_DOWN = 93;
public static final int KEYCODE_PICTSYMBOLS = 94; // switch symbol-sets (Emoji,Kao-moji)
public static final int KEYCODE_SWITCH_CHARSET = 95; // switch char-sets (Kanji,Katakana)
+ public static final int KEYCODE_BUTTON_A = 96;
+ public static final int KEYCODE_BUTTON_B = 97;
+ public static final int KEYCODE_BUTTON_C = 98;
+ public static final int KEYCODE_BUTTON_X = 99;
+ public static final int KEYCODE_BUTTON_Y = 100;
+ public static final int KEYCODE_BUTTON_Z = 101;
+ public static final int KEYCODE_BUTTON_L1 = 102;
+ public static final int KEYCODE_BUTTON_R1 = 103;
+ public static final int KEYCODE_BUTTON_L2 = 104;
+ public static final int KEYCODE_BUTTON_R2 = 105;
+ public static final int KEYCODE_BUTTON_THUMBL = 106;
+ public static final int KEYCODE_BUTTON_THUMBR = 107;
+ public static final int KEYCODE_BUTTON_START = 108;
+ public static final int KEYCODE_BUTTON_SELECT = 109;
+ public static final int KEYCODE_BUTTON_MODE = 110;
// NOTE: If you add a new keycode here you must also add it to:
// isSystem()
// native/include/android/keycodes.h
// frameworks/base/include/ui/KeycodeLabels.h
+ // external/webkit/WebKit/android/plugins/ANPKeyCodes.h
// tools/puppet_master/PuppetMaster/nav_keys.py
// frameworks/base/core/res/res/values/attrs.xml
// commands/monkey/Monkey.java
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index b3f280b..67072b6 100755
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -942,6 +942,21 @@
<enum name="KEYCODE_PAGE_DOWN" value="93" />
<enum name="KEYCODE_PICTSYMBOLS" value="94" />
<enum name="KEYCODE_SWITCH_CHARSET" value="95" />
+ <enum name="KEYCODE_BUTTON_A" value="96" />
+ <enum name="KEYCODE_BUTTON_B" value="97" />
+ <enum name="KEYCODE_BUTTON_C" value="98" />
+ <enum name="KEYCODE_BUTTON_X" value="99" />
+ <enum name="KEYCODE_BUTTON_Y" value="100" />
+ <enum name="KEYCODE_BUTTON_Z" value="101" />
+ <enum name="KEYCODE_BUTTON_L1" value="102" />
+ <enum name="KEYCODE_BUTTON_R1" value="103" />
+ <enum name="KEYCODE_BUTTON_L2" value="104" />
+ <enum name="KEYCODE_BUTTON_R2" value="105" />
+ <enum name="KEYCODE_BUTTON_THUMBL" value="106" />
+ <enum name="KEYCODE_BUTTON_THUMBR" value="107" />
+ <enum name="KEYCODE_BUTTON_START" value="108" />
+ <enum name="KEYCODE_BUTTON_SELECT" value="109" />
+ <enum name="KEYCODE_BUTTON_MODE" value="110" />
</attr>
<!-- ***************************************************************** -->
diff --git a/include/ui/InputDevice.h b/include/ui/InputDevice.h
new file mode 100644
index 0000000..4420600
--- /dev/null
+++ b/include/ui/InputDevice.h
@@ -0,0 +1,338 @@
+/*
+ * Copyright (C) 2010 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 _UI_INPUT_DEVICE_H
+#define _UI_INPUT_DEVICE_H
+
+#include <ui/EventHub.h>
+#include <ui/Input.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <utils/Timers.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/BitSet.h>
+
+#include <stddef.h>
+#include <unistd.h>
+
+/* Maximum pointer id value supported.
+ * (This is limited by our use of BitSet32 to track pointer assignments.) */
+#define MAX_POINTER_ID 31
+
+/* Maximum number of historical samples to average. */
+#define AVERAGING_HISTORY_SIZE 5
+
+
+namespace android {
+
+extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
+extern int32_t rotateKeyCode(int32_t keyCode, int32_t orientation);
+
+/*
+ * An input device structure tracks the state of a single input device.
+ *
+ * This structure is only used by ReaderThread and is not intended to be shared with
+ * DispatcherThread (because that would require locking). This works out fine because
+ * DispatcherThread is only interested in cooked event data anyways and does not need
+ * any of the low-level data from InputDevice.
+ */
+struct InputDevice {
+ struct AbsoluteAxisInfo {
+ bool valid; // set to true if axis parameters are known, false otherwise
+
+ int32_t minValue; // minimum value
+ int32_t maxValue; // maximum value
+ int32_t range; // range of values, equal to maxValue - minValue
+ int32_t flat; // center flat position, eg. flat == 8 means center is between -8 and 8
+ int32_t fuzz; // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
+ };
+
+ struct VirtualKey {
+ int32_t keyCode;
+ int32_t scanCode;
+ uint32_t flags;
+
+ // computed hit box, specified in touch screen coords based on known display size
+ int32_t hitLeft;
+ int32_t hitTop;
+ int32_t hitRight;
+ int32_t hitBottom;
+
+ inline bool isHit(int32_t x, int32_t y) const {
+ return x >= hitLeft && x <= hitRight && y >= hitTop && y <= hitBottom;
+ }
+ };
+
+ struct KeyboardState {
+ struct Current {
+ int32_t metaState;
+ nsecs_t downTime; // time of most recent key down
+ } current;
+
+ void reset();
+ };
+
+ struct TrackballState {
+ struct Accumulator {
+ enum {
+ FIELD_BTN_MOUSE = 1,
+ FIELD_REL_X = 2,
+ FIELD_REL_Y = 4
+ };
+
+ uint32_t fields;
+
+ bool btnMouse;
+ int32_t relX;
+ int32_t relY;
+
+ inline void clear() {
+ fields = 0;
+ }
+
+ inline bool isDirty() {
+ return fields != 0;
+ }
+ } accumulator;
+
+ struct Current {
+ bool down;
+ nsecs_t downTime;
+ } current;
+
+ struct Precalculated {
+ float xScale;
+ float yScale;
+ float xPrecision;
+ float yPrecision;
+ } precalculated;
+
+ void reset();
+ };
+
+ struct SingleTouchScreenState {
+ struct Accumulator {
+ enum {
+ FIELD_BTN_TOUCH = 1,
+ FIELD_ABS_X = 2,
+ FIELD_ABS_Y = 4,
+ FIELD_ABS_PRESSURE = 8,
+ FIELD_ABS_TOOL_WIDTH = 16
+ };
+
+ uint32_t fields;
+
+ bool btnTouch;
+ int32_t absX;
+ int32_t absY;
+ int32_t absPressure;
+ int32_t absToolWidth;
+
+ inline void clear() {
+ fields = 0;
+ }
+
+ inline bool isDirty() {
+ return fields != 0;
+ }
+ } accumulator;
+
+ struct Current {
+ bool down;
+ int32_t x;
+ int32_t y;
+ int32_t pressure;
+ int32_t size;
+ } current;
+
+ void reset();
+ };
+
+ struct MultiTouchScreenState {
+ struct Accumulator {
+ enum {
+ FIELD_ABS_MT_POSITION_X = 1,
+ FIELD_ABS_MT_POSITION_Y = 2,
+ FIELD_ABS_MT_TOUCH_MAJOR = 4,
+ FIELD_ABS_MT_WIDTH_MAJOR = 8,
+ FIELD_ABS_MT_TRACKING_ID = 16
+ };
+
+ uint32_t pointerCount;
+ struct Pointer {
+ uint32_t fields;
+
+ int32_t absMTPositionX;
+ int32_t absMTPositionY;
+ int32_t absMTTouchMajor;
+ int32_t absMTWidthMajor;
+ int32_t absMTTrackingId;
+
+ inline void clear() {
+ fields = 0;
+ }
+ } pointers[MAX_POINTERS + 1]; // + 1 to remove the need for extra range checks
+
+ inline void clear() {
+ pointerCount = 0;
+ pointers[0].clear();
+ }
+
+ inline bool isDirty() {
+ return pointerCount != 0;
+ }
+ } accumulator;
+
+ void reset();
+ };
+
+ struct PointerData {
+ uint32_t id;
+ int32_t x;
+ int32_t y;
+ int32_t pressure;
+ int32_t size;
+ };
+
+ struct TouchData {
+ uint32_t pointerCount;
+ PointerData pointers[MAX_POINTERS];
+ BitSet32 idBits;
+ uint32_t idToIndex[MAX_POINTER_ID + 1];
+
+ void copyFrom(const TouchData& other);
+
+ inline void clear() {
+ pointerCount = 0;
+ idBits.clear();
+ }
+ };
+
+ // common state used for both single-touch and multi-touch screens after the initial
+ // touch decoding has been performed
+ struct TouchScreenState {
+ Vector<VirtualKey> virtualKeys;
+
+ struct Parameters {
+ bool useBadTouchFilter;
+ bool useJumpyTouchFilter;
+ bool useAveragingTouchFilter;
+
+ AbsoluteAxisInfo xAxis;
+ AbsoluteAxisInfo yAxis;
+ AbsoluteAxisInfo pressureAxis;
+ AbsoluteAxisInfo sizeAxis;
+ } parameters;
+
+ // The touch data of the current sample being processed.
+ TouchData currentTouch;
+
+ // The touch data of the previous sample that was processed. This is updated
+ // incrementally while the current sample is being processed.
+ TouchData lastTouch;
+
+ // The time the primary pointer last went down.
+ nsecs_t downTime;
+
+ struct CurrentVirtualKeyState {
+ enum Status {
+ STATUS_UP,
+ STATUS_DOWN,
+ STATUS_CANCELED
+ };
+
+ Status status;
+ nsecs_t downTime;
+ int32_t keyCode;
+ int32_t scanCode;
+ } currentVirtualKey;
+
+ struct AveragingTouchFilterState {
+ // Individual history tracks are stored by pointer id
+ uint32_t historyStart[MAX_POINTERS];
+ uint32_t historyEnd[MAX_POINTERS];
+ struct {
+ struct {
+ int32_t x;
+ int32_t y;
+ int32_t pressure;
+ } pointers[MAX_POINTERS];
+ } historyData[AVERAGING_HISTORY_SIZE];
+ } averagingTouchFilter;
+
+ struct JumpTouchFilterState {
+ int32_t jumpyPointsDropped;
+ } jumpyTouchFilter;
+
+ struct Precalculated {
+ int32_t xOrigin;
+ float xScale;
+
+ int32_t yOrigin;
+ float yScale;
+
+ int32_t pressureOrigin;
+ float pressureScale;
+
+ int32_t sizeOrigin;
+ float sizeScale;
+ } precalculated;
+
+ void reset();
+
+ bool applyBadTouchFilter();
+ bool applyJumpyTouchFilter();
+ void applyAveragingTouchFilter();
+ void calculatePointerIds();
+
+ bool isPointInsideDisplay(int32_t x, int32_t y) const;
+ const InputDevice::VirtualKey* findVirtualKeyHit() const;
+ };
+
+ InputDevice(int32_t id, uint32_t classes, String8 name);
+
+ int32_t id;
+ uint32_t classes;
+ String8 name;
+ bool ignored;
+
+ KeyboardState keyboard;
+ TrackballState trackball;
+ TouchScreenState touchScreen;
+ union {
+ SingleTouchScreenState singleTouchScreen;
+ MultiTouchScreenState multiTouchScreen;
+ };
+
+ void reset();
+
+ inline bool isKeyboard() const { return classes & INPUT_DEVICE_CLASS_KEYBOARD; }
+ inline bool isAlphaKey() const { return classes & INPUT_DEVICE_CLASS_ALPHAKEY; }
+ inline bool isTrackball() const { return classes & INPUT_DEVICE_CLASS_TRACKBALL; }
+ inline bool isDPad() const { return classes & INPUT_DEVICE_CLASS_DPAD; }
+ inline bool isSingleTouchScreen() const { return (classes
+ & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT))
+ == INPUT_DEVICE_CLASS_TOUCHSCREEN; }
+ inline bool isMultiTouchScreen() const { return classes
+ & INPUT_DEVICE_CLASS_TOUCHSCREEN_MT; }
+ inline bool isTouchScreen() const { return classes
+ & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT); }
+};
+
+} // namespace android
+
+#endif // _UI_INPUT_DEVICE_H
diff --git a/include/ui/InputReader.h b/include/ui/InputReader.h
index 03c8112..85a0084 100644
--- a/include/ui/InputReader.h
+++ b/include/ui/InputReader.h
@@ -19,6 +19,7 @@
#include <ui/EventHub.h>
#include <ui/Input.h>
+#include <ui/InputDevice.h>
#include <ui/InputDispatcher.h>
#include <utils/KeyedVector.h>
#include <utils/threads.h>
@@ -30,311 +31,8 @@
#include <stddef.h>
#include <unistd.h>
-/* Maximum pointer id value supported.
- * (This is limited by our use of BitSet32 to track pointer assignments.) */
-#define MAX_POINTER_ID 32
-
-/* Maximum number of historical samples to average. */
-#define AVERAGING_HISTORY_SIZE 5
-
-
namespace android {
-extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
-extern int32_t rotateKeyCode(int32_t keyCode, int32_t orientation);
-
-/*
- * An input device structure tracks the state of a single input device.
- *
- * This structure is only used by ReaderThread and is not intended to be shared with
- * DispatcherThread (because that would require locking). This works out fine because
- * DispatcherThread is only interested in cooked event data anyways and does not need
- * any of the low-level data from InputDevice.
- */
-struct InputDevice {
- struct AbsoluteAxisInfo {
- bool valid; // set to true if axis parameters are known, false otherwise
-
- int32_t minValue; // minimum value
- int32_t maxValue; // maximum value
- int32_t range; // range of values, equal to maxValue - minValue
- int32_t flat; // center flat position, eg. flat == 8 means center is between -8 and 8
- int32_t fuzz; // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise
- };
-
- struct VirtualKey {
- int32_t keyCode;
- int32_t scanCode;
- uint32_t flags;
-
- // computed hit box, specified in touch screen coords based on known display size
- int32_t hitLeft;
- int32_t hitTop;
- int32_t hitRight;
- int32_t hitBottom;
-
- inline bool isHit(int32_t x, int32_t y) const {
- return x >= hitLeft && x <= hitRight && y >= hitTop && y <= hitBottom;
- }
- };
-
- struct KeyboardState {
- struct Current {
- int32_t metaState;
- nsecs_t downTime; // time of most recent key down
- } current;
-
- void reset();
- };
-
- struct TrackballState {
- struct Accumulator {
- enum {
- FIELD_BTN_MOUSE = 1,
- FIELD_REL_X = 2,
- FIELD_REL_Y = 4
- };
-
- uint32_t fields;
-
- bool btnMouse;
- int32_t relX;
- int32_t relY;
-
- inline void clear() {
- fields = 0;
- }
-
- inline bool isDirty() {
- return fields != 0;
- }
- } accumulator;
-
- struct Current {
- bool down;
- nsecs_t downTime;
- } current;
-
- struct Precalculated {
- float xScale;
- float yScale;
- float xPrecision;
- float yPrecision;
- } precalculated;
-
- void reset();
- };
-
- struct SingleTouchScreenState {
- struct Accumulator {
- enum {
- FIELD_BTN_TOUCH = 1,
- FIELD_ABS_X = 2,
- FIELD_ABS_Y = 4,
- FIELD_ABS_PRESSURE = 8,
- FIELD_ABS_TOOL_WIDTH = 16
- };
-
- uint32_t fields;
-
- bool btnTouch;
- int32_t absX;
- int32_t absY;
- int32_t absPressure;
- int32_t absToolWidth;
-
- inline void clear() {
- fields = 0;
- }
-
- inline bool isDirty() {
- return fields != 0;
- }
- } accumulator;
-
- struct Current {
- bool down;
- int32_t x;
- int32_t y;
- int32_t pressure;
- int32_t size;
- } current;
-
- void reset();
- };
-
- struct MultiTouchScreenState {
- struct Accumulator {
- enum {
- FIELD_ABS_MT_POSITION_X = 1,
- FIELD_ABS_MT_POSITION_Y = 2,
- FIELD_ABS_MT_TOUCH_MAJOR = 4,
- FIELD_ABS_MT_WIDTH_MAJOR = 8,
- FIELD_ABS_MT_TRACKING_ID = 16
- };
-
- uint32_t pointerCount;
- struct Pointer {
- uint32_t fields;
-
- int32_t absMTPositionX;
- int32_t absMTPositionY;
- int32_t absMTTouchMajor;
- int32_t absMTWidthMajor;
- int32_t absMTTrackingId;
-
- inline void clear() {
- fields = 0;
- }
- } pointers[MAX_POINTERS + 1]; // + 1 to remove the need for extra range checks
-
- inline void clear() {
- pointerCount = 0;
- pointers[0].clear();
- }
-
- inline bool isDirty() {
- return pointerCount != 0;
- }
- } accumulator;
-
- void reset();
- };
-
- struct PointerData {
- uint32_t id;
- int32_t x;
- int32_t y;
- int32_t pressure;
- int32_t size;
- };
-
- struct TouchData {
- uint32_t pointerCount;
- PointerData pointers[MAX_POINTERS];
- BitSet32 idBits;
- uint32_t idToIndex[MAX_POINTER_ID];
-
- void copyFrom(const TouchData& other);
-
- inline void clear() {
- pointerCount = 0;
- idBits.clear();
- }
- };
-
- // common state used for both single-touch and multi-touch screens after the initial
- // touch decoding has been performed
- struct TouchScreenState {
- Vector<VirtualKey> virtualKeys;
-
- struct Parameters {
- bool useBadTouchFilter;
- bool useJumpyTouchFilter;
- bool useAveragingTouchFilter;
-
- AbsoluteAxisInfo xAxis;
- AbsoluteAxisInfo yAxis;
- AbsoluteAxisInfo pressureAxis;
- AbsoluteAxisInfo sizeAxis;
- } parameters;
-
- // The touch data of the current sample being processed.
- TouchData currentTouch;
-
- // The touch data of the previous sample that was processed. This is updated
- // incrementally while the current sample is being processed.
- TouchData lastTouch;
-
- // The time the primary pointer last went down.
- nsecs_t downTime;
-
- struct CurrentVirtualKeyState {
- enum Status {
- STATUS_UP,
- STATUS_DOWN,
- STATUS_CANCELED
- };
-
- Status status;
- nsecs_t downTime;
- int32_t keyCode;
- int32_t scanCode;
- } currentVirtualKey;
-
- struct AveragingTouchFilterState {
- // Individual history tracks are stored by pointer id
- uint32_t historyStart[MAX_POINTERS];
- uint32_t historyEnd[MAX_POINTERS];
- struct {
- struct {
- int32_t x;
- int32_t y;
- int32_t pressure;
- } pointers[MAX_POINTERS];
- } historyData[AVERAGING_HISTORY_SIZE];
- } averagingTouchFilter;
-
- struct JumpTouchFilterState {
- int32_t jumpyPointsDropped;
- } jumpyTouchFilter;
-
- struct Precalculated {
- int32_t xOrigin;
- float xScale;
-
- int32_t yOrigin;
- float yScale;
-
- int32_t pressureOrigin;
- float pressureScale;
-
- int32_t sizeOrigin;
- float sizeScale;
- } precalculated;
-
- void reset();
-
- bool applyBadTouchFilter();
- bool applyJumpyTouchFilter();
- void applyAveragingTouchFilter();
- void calculatePointerIds();
-
- bool isPointInsideDisplay(int32_t x, int32_t y) const;
- const InputDevice::VirtualKey* findVirtualKeyHit() const;
- };
-
- InputDevice(int32_t id, uint32_t classes, String8 name);
-
- int32_t id;
- uint32_t classes;
- String8 name;
- bool ignored;
-
- KeyboardState keyboard;
- TrackballState trackball;
- TouchScreenState touchScreen;
- union {
- SingleTouchScreenState singleTouchScreen;
- MultiTouchScreenState multiTouchScreen;
- };
-
- void reset();
-
- inline bool isKeyboard() const { return classes & INPUT_DEVICE_CLASS_KEYBOARD; }
- inline bool isAlphaKey() const { return classes & INPUT_DEVICE_CLASS_ALPHAKEY; }
- inline bool isTrackball() const { return classes & INPUT_DEVICE_CLASS_TRACKBALL; }
- inline bool isDPad() const { return classes & INPUT_DEVICE_CLASS_DPAD; }
- inline bool isSingleTouchScreen() const { return (classes
- & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT))
- == INPUT_DEVICE_CLASS_TOUCHSCREEN; }
- inline bool isMultiTouchScreen() const { return classes
- & INPUT_DEVICE_CLASS_TOUCHSCREEN_MT; }
- inline bool isTouchScreen() const { return classes
- & (INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT); }
-};
-
-
/*
* Input reader policy interface.
*
diff --git a/include/ui/KeycodeLabels.h b/include/ui/KeycodeLabels.h
index e81d0f9..c8d6ffc 100755
--- a/include/ui/KeycodeLabels.h
+++ b/include/ui/KeycodeLabels.h
@@ -17,6 +17,8 @@
#ifndef _UI_KEYCODE_LABELS_H
#define _UI_KEYCODE_LABELS_H
+#include <android/keycodes.h>
+
struct KeycodeLabel {
const char *literal;
int value;
@@ -118,117 +120,28 @@
{ "PAGE_DOWN", 93 },
{ "PICTSYMBOLS", 94 },
{ "SWITCH_CHARSET", 95 },
+ { "BUTTON_A", 96 },
+ { "BUTTON_B", 97 },
+ { "BUTTON_C", 98 },
+ { "BUTTON_X", 99 },
+ { "BUTTON_Y", 100 },
+ { "BUTTON_Z", 101 },
+ { "BUTTON_L1", 102 },
+ { "BUTTON_R1", 103 },
+ { "BUTTON_L2", 104 },
+ { "BUTTON_R2", 105 },
+ { "BUTTON_THUMBL", 106 },
+ { "BUTTON_THUMBR", 107 },
+ { "BUTTON_START", 108 },
+ { "BUTTON_SELECT", 109 },
+ { "BUTTON_MODE", 110 },
- // NOTE: If you add a new keycode here you must also add it to:
- // (enum KeyCode, in this file)
- // frameworks/base/core/java/android/view/KeyEvent.java
- // tools/puppet_master/PuppetMaster.nav_keys.py
- // frameworks/base/core/res/res/values/attrs.xml
+ // NOTE: If you add a new keycode here you must also add it to several other files.
+ // Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
{ NULL, 0 }
};
-// These constants need to match the above mappings.
-typedef enum KeyCode {
- kKeyCodeUnknown = 0,
-
- kKeyCodeSoftLeft = 1,
- kKeyCodeSoftRight = 2,
- kKeyCodeHome = 3,
- kKeyCodeBack = 4,
- kKeyCodeCall = 5,
- kKeyCodeEndCall = 6,
- kKeyCode0 = 7,
- kKeyCode1 = 8,
- kKeyCode2 = 9,
- kKeyCode3 = 10,
- kKeyCode4 = 11,
- kKeyCode5 = 12,
- kKeyCode6 = 13,
- kKeyCode7 = 14,
- kKeyCode8 = 15,
- kKeyCode9 = 16,
- kKeyCodeStar = 17,
- kKeyCodePound = 18,
- kKeyCodeDpadUp = 19,
- kKeyCodeDpadDown = 20,
- kKeyCodeDpadLeft = 21,
- kKeyCodeDpadRight = 22,
- kKeyCodeDpadCenter = 23,
- kKeyCodeVolumeUp = 24,
- kKeyCodeVolumeDown = 25,
- kKeyCodePower = 26,
- kKeyCodeCamera = 27,
- kKeyCodeClear = 28,
- kKeyCodeA = 29,
- kKeyCodeB = 30,
- kKeyCodeC = 31,
- kKeyCodeD = 32,
- kKeyCodeE = 33,
- kKeyCodeF = 34,
- kKeyCodeG = 35,
- kKeyCodeH = 36,
- kKeyCodeI = 37,
- kKeyCodeJ = 38,
- kKeyCodeK = 39,
- kKeyCodeL = 40,
- kKeyCodeM = 41,
- kKeyCodeN = 42,
- kKeyCodeO = 43,
- kKeyCodeP = 44,
- kKeyCodeQ = 45,
- kKeyCodeR = 46,
- kKeyCodeS = 47,
- kKeyCodeT = 48,
- kKeyCodeU = 49,
- kKeyCodeV = 50,
- kKeyCodeW = 51,
- kKeyCodeX = 52,
- kKeyCodeY = 53,
- kKeyCodeZ = 54,
- kKeyCodeComma = 55,
- kKeyCodePeriod = 56,
- kKeyCodeAltLeft = 57,
- kKeyCodeAltRight = 58,
- kKeyCodeShiftLeft = 59,
- kKeyCodeShiftRight = 60,
- kKeyCodeTab = 61,
- kKeyCodeSpace = 62,
- kKeyCodeSym = 63,
- kKeyCodeExplorer = 64,
- kKeyCodeEnvelope = 65,
- kKeyCodeNewline = 66,
- kKeyCodeDel = 67,
- kKeyCodeGrave = 68,
- kKeyCodeMinus = 69,
- kKeyCodeEquals = 70,
- kKeyCodeLeftBracket = 71,
- kKeyCodeRightBracket = 72,
- kKeyCodeBackslash = 73,
- kKeyCodeSemicolon = 74,
- kKeyCodeApostrophe = 75,
- kKeyCodeSlash = 76,
- kKeyCodeAt = 77,
- kKeyCodeNum = 78,
- kKeyCodeHeadSetHook = 79,
- kKeyCodeFocus = 80,
- kKeyCodePlus = 81,
- kKeyCodeMenu = 82,
- kKeyCodeNotification = 83,
- kKeyCodeSearch = 84,
- kKeyCodePlayPause = 85,
- kKeyCodeStop = 86,
- kKeyCodeNextSong = 87,
- kKeyCodePreviousSong = 88,
- kKeyCodeRewind = 89,
- kKeyCodeForward = 90,
- kKeyCodeMute = 91,
- kKeyCodePageUp = 92,
- kKeyCodePageDown = 93,
- kKeyCodePictSymbols = 94,
- kKeyCodeSwitchCharset = 95
-} KeyCode;
-
static const KeycodeLabel FLAGS[] = {
{ "WAKE", 0x00000001 },
{ "WAKE_DROPPED", 0x00000002 },
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index 24cdc78..4243bbf 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -12,6 +12,7 @@
KeyLayoutMap.cpp \
KeyCharacterMap.cpp \
Input.cpp \
+ InputDevice.cpp \
InputDispatcher.cpp \
InputManager.cpp \
InputReader.cpp \
@@ -38,3 +39,13 @@
endif
include $(BUILD_SHARED_LIBRARY)
+
+
+# Include subdirectory makefiles
+# ============================================================
+
+# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
+# team really wants is to build the stuff defined by this makefile.
+ifeq (,$(ONE_SHOT_MAKEFILE))
+include $(call first-makefiles-under,$(LOCAL_PATH))
+endif
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp
index 27895f2..768b04e 100644
--- a/libs/ui/EventHub.cpp
+++ b/libs/ui/EventHub.cpp
@@ -54,6 +54,9 @@
*/
#define test_bit(bit, array) (array[bit/8] & (1<<(bit%8)))
+/* this macro computes the number of bytes needed to represent a bit array of the specified size */
+#define sizeof_bit_array(bits) ((bits + 7) / 8)
+
#define ID_MASK 0x0000ffff
#define SEQ_MASK 0x7fff0000
#define SEQ_SHIFT 16
@@ -182,7 +185,7 @@
}
int32_t EventHub::getScanCodeStateLocked(device_t* device, int32_t scanCode) const {
- uint8_t key_bitmask[(KEY_MAX + 7) / 8];
+ uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
memset(key_bitmask, 0, sizeof(key_bitmask));
if (ioctl(mFDs[id_to_index(device->id)].fd,
EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
@@ -218,7 +221,7 @@
Vector<int32_t> scanCodes;
device->layoutMap->findScancodes(keyCode, &scanCodes);
- uint8_t key_bitmask[(KEY_MAX + 7) / 8];
+ uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
memset(key_bitmask, 0, sizeof(key_bitmask));
if (ioctl(mFDs[id_to_index(device->id)].fd,
EVIOCGKEY(sizeof(key_bitmask)), key_bitmask) >= 0) {
@@ -264,7 +267,7 @@
}
int32_t EventHub::getSwitchStateLocked(device_t* device, int32_t sw) const {
- uint8_t sw_bitmask[(SW_MAX + 7) / 8];
+ uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
memset(sw_bitmask, 0, sizeof(sw_bitmask));
if (ioctl(mFDs[id_to_index(device->id)].fd,
EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
@@ -409,7 +412,7 @@
LOGV("iev.code=%d outKeycode=%d outFlags=0x%08x err=%d\n",
iev.code, *outKeycode, *outFlags, err);
if (err != 0) {
- *outKeycode = 0;
+ *outKeycode = AKEYCODE_UNKNOWN;
*outFlags = 0;
}
} else {
@@ -509,6 +512,26 @@
// ----------------------------------------------------------------------------
+static bool containsNonZeroByte(const uint8_t* array, uint32_t startIndex, uint32_t endIndex) {
+ const uint8_t* end = array + endIndex;
+ array += startIndex;
+ while (array != end) {
+ if (*(array++) != 0) {
+ return true;
+ }
+ }
+ return false;
+}
+
+static const int32_t GAMEPAD_KEYCODES[] = {
+ AKEYCODE_BUTTON_A, AKEYCODE_BUTTON_B, AKEYCODE_BUTTON_C,
+ AKEYCODE_BUTTON_X, AKEYCODE_BUTTON_Y, AKEYCODE_BUTTON_Z,
+ AKEYCODE_BUTTON_L1, AKEYCODE_BUTTON_R1,
+ AKEYCODE_BUTTON_L2, AKEYCODE_BUTTON_R2,
+ AKEYCODE_BUTTON_THUMBL, AKEYCODE_BUTTON_THUMBR,
+ AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE
+};
+
int EventHub::open_device(const char *deviceName)
{
int version;
@@ -626,27 +649,27 @@
mFDs[mFDCount].fd = fd;
mFDs[mFDCount].events = POLLIN;
- // figure out the kinds of events the device reports
+ // Figure out the kinds of events the device reports.
- // See if this is a keyboard, and classify it. Note that we only
- // consider up through the function keys; we don't want to include
- // ones after that (play cd etc) so we don't mistakenly consider a
- // controller to be a keyboard.
- uint8_t key_bitmask[(KEY_MAX+7)/8];
+ uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
memset(key_bitmask, 0, sizeof(key_bitmask));
+
LOGV("Getting keys...");
if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask) >= 0) {
//LOGI("MAP\n");
- //for (int i=0; i<((KEY_MAX+7)/8); i++) {
+ //for (int i = 0; i < sizeof(key_bitmask); i++) {
// LOGI("%d: 0x%02x\n", i, key_bitmask[i]);
//}
- for (int i=0; i<((BTN_MISC+7)/8); i++) {
- if (key_bitmask[i] != 0) {
- device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
- break;
- }
- }
- if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
+
+ // See if this is a keyboard. Ignore everything in the button range except for
+ // gamepads which are also considered keyboards.
+ if (containsNonZeroByte(key_bitmask, 0, sizeof_bit_array(BTN_MISC))
+ || containsNonZeroByte(key_bitmask, sizeof_bit_array(BTN_GAMEPAD),
+ sizeof_bit_array(BTN_DIGI))
+ || containsNonZeroByte(key_bitmask, sizeof_bit_array(KEY_OK),
+ sizeof_bit_array(KEY_MAX + 1))) {
+ device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
+
device->keyBitmask = new uint8_t[sizeof(key_bitmask)];
if (device->keyBitmask != NULL) {
memcpy(device->keyBitmask, key_bitmask, sizeof(key_bitmask));
@@ -658,39 +681,39 @@
}
}
- // See if this is a trackball.
+ // See if this is a trackball (or mouse).
if (test_bit(BTN_MOUSE, key_bitmask)) {
- uint8_t rel_bitmask[(REL_MAX+7)/8];
+ uint8_t rel_bitmask[sizeof_bit_array(REL_MAX + 1)];
memset(rel_bitmask, 0, sizeof(rel_bitmask));
LOGV("Getting relative controllers...");
- if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0)
- {
+ if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) >= 0) {
if (test_bit(REL_X, rel_bitmask) && test_bit(REL_Y, rel_bitmask)) {
device->classes |= INPUT_DEVICE_CLASS_TRACKBALL;
}
}
}
-
- uint8_t abs_bitmask[(ABS_MAX+7)/8];
+
+ // See if this is a touch pad.
+ uint8_t abs_bitmask[sizeof_bit_array(ABS_MAX + 1)];
memset(abs_bitmask, 0, sizeof(abs_bitmask));
LOGV("Getting absolute controllers...");
- ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask);
-
- // Is this a new modern multi-touch driver?
- if (test_bit(ABS_MT_TOUCH_MAJOR, abs_bitmask)
- && test_bit(ABS_MT_POSITION_X, abs_bitmask)
- && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) {
- device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT;
-
- // Is this an old style single-touch driver?
- } else if (test_bit(BTN_TOUCH, key_bitmask)
- && test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) {
- device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN;
+ if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) >= 0) {
+ // Is this a new modern multi-touch driver?
+ if (test_bit(ABS_MT_TOUCH_MAJOR, abs_bitmask)
+ && test_bit(ABS_MT_POSITION_X, abs_bitmask)
+ && test_bit(ABS_MT_POSITION_Y, abs_bitmask)) {
+ device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN | INPUT_DEVICE_CLASS_TOUCHSCREEN_MT;
+
+ // Is this an old style single-touch driver?
+ } else if (test_bit(BTN_TOUCH, key_bitmask)
+ && test_bit(ABS_X, abs_bitmask) && test_bit(ABS_Y, abs_bitmask)) {
+ device->classes |= INPUT_DEVICE_CLASS_TOUCHSCREEN;
+ }
}
#ifdef EV_SW
// figure out the switches this device reports
- uint8_t sw_bitmask[(SW_MAX+7)/8];
+ uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
memset(sw_bitmask, 0, sizeof(sw_bitmask));
if (ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask) >= 0) {
for (int i=0; i<EV_SW; i++) {
@@ -726,7 +749,10 @@
"%s/usr/keylayout/%s", root, "qwerty.kl");
defaultKeymap = true;
}
- device->layoutMap->load(keylayoutFilename);
+ status_t status = device->layoutMap->load(keylayoutFilename);
+ if (status) {
+ LOGE("Error %d loading key layout.", status);
+ }
// tell the world about the devname (the descriptive name)
if (!mHaveFirstKeyboard && !defaultKeymap && strstr(name, "-keypad")) {
@@ -746,19 +772,27 @@
property_set(propName, name);
// 'Q' key support = cheap test of whether this is an alpha-capable kbd
- if (hasKeycode(device, kKeyCodeQ)) {
+ if (hasKeycode(device, AKEYCODE_Q)) {
device->classes |= INPUT_DEVICE_CLASS_ALPHAKEY;
}
- // See if this has a DPAD.
- if (hasKeycode(device, kKeyCodeDpadUp) &&
- hasKeycode(device, kKeyCodeDpadDown) &&
- hasKeycode(device, kKeyCodeDpadLeft) &&
- hasKeycode(device, kKeyCodeDpadRight) &&
- hasKeycode(device, kKeyCodeDpadCenter)) {
+ // See if this device has a DPAD.
+ if (hasKeycode(device, AKEYCODE_DPAD_UP) &&
+ hasKeycode(device, AKEYCODE_DPAD_DOWN) &&
+ hasKeycode(device, AKEYCODE_DPAD_LEFT) &&
+ hasKeycode(device, AKEYCODE_DPAD_RIGHT) &&
+ hasKeycode(device, AKEYCODE_DPAD_CENTER)) {
device->classes |= INPUT_DEVICE_CLASS_DPAD;
}
+ // See if this device has a gamepad.
+ for (size_t i = 0; i < sizeof(GAMEPAD_KEYCODES); i++) {
+ if (hasKeycode(device, GAMEPAD_KEYCODES[i])) {
+ device->classes |= INPUT_DEVICE_CLASS_GAMEPAD;
+ break;
+ }
+ }
+
LOGI("New keyboard: device->id=0x%x devname='%s' propName='%s' keylayout='%s'\n",
device->id, name, propName, keylayoutFilename);
}
diff --git a/libs/ui/Input.cpp b/libs/ui/Input.cpp
index a64251f..1f19c2c 100644
--- a/libs/ui/Input.cpp
+++ b/libs/ui/Input.cpp
@@ -22,26 +22,26 @@
bool KeyEvent::hasDefaultAction(int32_t keyCode) {
switch (keyCode) {
- case KEYCODE_HOME:
- case KEYCODE_BACK:
- case KEYCODE_CALL:
- case KEYCODE_ENDCALL:
- case KEYCODE_VOLUME_UP:
- case KEYCODE_VOLUME_DOWN:
- case KEYCODE_POWER:
- case KEYCODE_CAMERA:
- case KEYCODE_HEADSETHOOK:
- case KEYCODE_MENU:
- case KEYCODE_NOTIFICATION:
- case KEYCODE_FOCUS:
- case KEYCODE_SEARCH:
- case KEYCODE_MEDIA_PLAY_PAUSE:
- case KEYCODE_MEDIA_STOP:
- case KEYCODE_MEDIA_NEXT:
- case KEYCODE_MEDIA_PREVIOUS:
- case KEYCODE_MEDIA_REWIND:
- case KEYCODE_MEDIA_FAST_FORWARD:
- case KEYCODE_MUTE:
+ case AKEYCODE_HOME:
+ case AKEYCODE_BACK:
+ case AKEYCODE_CALL:
+ case AKEYCODE_ENDCALL:
+ case AKEYCODE_VOLUME_UP:
+ case AKEYCODE_VOLUME_DOWN:
+ case AKEYCODE_POWER:
+ case AKEYCODE_CAMERA:
+ case AKEYCODE_HEADSETHOOK:
+ case AKEYCODE_MENU:
+ case AKEYCODE_NOTIFICATION:
+ case AKEYCODE_FOCUS:
+ case AKEYCODE_SEARCH:
+ case AKEYCODE_MEDIA_PLAY_PAUSE:
+ case AKEYCODE_MEDIA_STOP:
+ case AKEYCODE_MEDIA_NEXT:
+ case AKEYCODE_MEDIA_PREVIOUS:
+ case AKEYCODE_MEDIA_REWIND:
+ case AKEYCODE_MEDIA_FAST_FORWARD:
+ case AKEYCODE_MUTE:
return true;
}
@@ -54,26 +54,26 @@
bool KeyEvent::isSystemKey(int32_t keyCode) {
switch (keyCode) {
- case KEYCODE_MENU:
- case KEYCODE_SOFT_RIGHT:
- case KEYCODE_HOME:
- case KEYCODE_BACK:
- case KEYCODE_CALL:
- case KEYCODE_ENDCALL:
- case KEYCODE_VOLUME_UP:
- case KEYCODE_VOLUME_DOWN:
- case KEYCODE_MUTE:
- case KEYCODE_POWER:
- case KEYCODE_HEADSETHOOK:
- case KEYCODE_MEDIA_PLAY_PAUSE:
- case KEYCODE_MEDIA_STOP:
- case KEYCODE_MEDIA_NEXT:
- case KEYCODE_MEDIA_PREVIOUS:
- case KEYCODE_MEDIA_REWIND:
- case KEYCODE_MEDIA_FAST_FORWARD:
- case KEYCODE_CAMERA:
- case KEYCODE_FOCUS:
- case KEYCODE_SEARCH:
+ case AKEYCODE_MENU:
+ case AKEYCODE_SOFT_RIGHT:
+ case AKEYCODE_HOME:
+ case AKEYCODE_BACK:
+ case AKEYCODE_CALL:
+ case AKEYCODE_ENDCALL:
+ case AKEYCODE_VOLUME_UP:
+ case AKEYCODE_VOLUME_DOWN:
+ case AKEYCODE_MUTE:
+ case AKEYCODE_POWER:
+ case AKEYCODE_HEADSETHOOK:
+ case AKEYCODE_MEDIA_PLAY_PAUSE:
+ case AKEYCODE_MEDIA_STOP:
+ case AKEYCODE_MEDIA_NEXT:
+ case AKEYCODE_MEDIA_PREVIOUS:
+ case AKEYCODE_MEDIA_REWIND:
+ case AKEYCODE_MEDIA_FAST_FORWARD:
+ case AKEYCODE_CAMERA:
+ case AKEYCODE_FOCUS:
+ case AKEYCODE_SEARCH:
return true;
}
diff --git a/libs/ui/InputDevice.cpp b/libs/ui/InputDevice.cpp
new file mode 100644
index 0000000..6014017
--- /dev/null
+++ b/libs/ui/InputDevice.cpp
@@ -0,0 +1,729 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+// The input reader.
+//
+#define LOG_TAG "InputDevice"
+
+//#define LOG_NDEBUG 0
+
+// Log debug messages for each raw event received from the EventHub.
+#define DEBUG_RAW_EVENTS 0
+
+// Log debug messages about touch screen filtering hacks.
+#define DEBUG_HACKS 0
+
+// Log debug messages about virtual key processing.
+#define DEBUG_VIRTUAL_KEYS 0
+
+// Log debug messages about pointers.
+#define DEBUG_POINTERS 0
+
+// Log debug messages about pointer assignment calculations.
+#define DEBUG_POINTER_ASSIGNMENT 0
+
+#include <cutils/log.h>
+#include <ui/InputDevice.h>
+
+#include <stddef.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+
+/* Slop distance for jumpy pointer detection.
+ * The vertical range of the screen divided by this is our epsilon value. */
+#define JUMPY_EPSILON_DIVISOR 212
+
+/* Number of jumpy points to drop for touchscreens that need it. */
+#define JUMPY_TRANSITION_DROPS 3
+#define JUMPY_DROP_LIMIT 3
+
+/* Maximum squared distance for averaging.
+ * If moving farther than this, turn of averaging to avoid lag in response. */
+#define AVERAGING_DISTANCE_LIMIT (75 * 75)
+
+
+namespace android {
+
+// --- Static Functions ---
+
+template<typename T>
+inline static T abs(const T& value) {
+ return value < 0 ? - value : value;
+}
+
+template<typename T>
+inline static T min(const T& a, const T& b) {
+ return a < b ? a : b;
+}
+
+template<typename T>
+inline static void swap(T& a, T& b) {
+ T temp = a;
+ a = b;
+ b = temp;
+}
+
+
+// --- InputDevice ---
+
+InputDevice::InputDevice(int32_t id, uint32_t classes, String8 name) :
+ id(id), classes(classes), name(name), ignored(false) {
+}
+
+void InputDevice::reset() {
+ if (isKeyboard()) {
+ keyboard.reset();
+ }
+
+ if (isTrackball()) {
+ trackball.reset();
+ }
+
+ if (isMultiTouchScreen()) {
+ multiTouchScreen.reset();
+ } else if (isSingleTouchScreen()) {
+ singleTouchScreen.reset();
+ }
+
+ if (isTouchScreen()) {
+ touchScreen.reset();
+ }
+}
+
+
+// --- InputDevice::TouchData ---
+
+void InputDevice::TouchData::copyFrom(const TouchData& other) {
+ pointerCount = other.pointerCount;
+ idBits = other.idBits;
+
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ pointers[i] = other.pointers[i];
+ idToIndex[i] = other.idToIndex[i];
+ }
+}
+
+
+// --- InputDevice::KeyboardState ---
+
+void InputDevice::KeyboardState::reset() {
+ current.metaState = META_NONE;
+ current.downTime = 0;
+}
+
+
+// --- InputDevice::TrackballState ---
+
+void InputDevice::TrackballState::reset() {
+ accumulator.clear();
+ current.down = false;
+ current.downTime = 0;
+}
+
+
+// --- InputDevice::TouchScreenState ---
+
+void InputDevice::TouchScreenState::reset() {
+ lastTouch.clear();
+ downTime = 0;
+ currentVirtualKey.status = CurrentVirtualKeyState::STATUS_UP;
+
+ for (uint32_t i = 0; i < MAX_POINTERS; i++) {
+ averagingTouchFilter.historyStart[i] = 0;
+ averagingTouchFilter.historyEnd[i] = 0;
+ }
+
+ jumpyTouchFilter.jumpyPointsDropped = 0;
+}
+
+struct PointerDistanceHeapElement {
+ uint32_t currentPointerIndex : 8;
+ uint32_t lastPointerIndex : 8;
+ uint64_t distance : 48; // squared distance
+};
+
+void InputDevice::TouchScreenState::calculatePointerIds() {
+ uint32_t currentPointerCount = currentTouch.pointerCount;
+ uint32_t lastPointerCount = lastTouch.pointerCount;
+
+ if (currentPointerCount == 0) {
+ // No pointers to assign.
+ currentTouch.idBits.clear();
+ } else if (lastPointerCount == 0) {
+ // All pointers are new.
+ currentTouch.idBits.clear();
+ for (uint32_t i = 0; i < currentPointerCount; i++) {
+ currentTouch.pointers[i].id = i;
+ currentTouch.idToIndex[i] = i;
+ currentTouch.idBits.markBit(i);
+ }
+ } else if (currentPointerCount == 1 && lastPointerCount == 1) {
+ // Only one pointer and no change in count so it must have the same id as before.
+ uint32_t id = lastTouch.pointers[0].id;
+ currentTouch.pointers[0].id = id;
+ currentTouch.idToIndex[id] = 0;
+ currentTouch.idBits.value = BitSet32::valueForBit(id);
+ } else {
+ // General case.
+ // We build a heap of squared euclidean distances between current and last pointers
+ // associated with the current and last pointer indices. Then, we find the best
+ // match (by distance) for each current pointer.
+ PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS];
+
+ uint32_t heapSize = 0;
+ for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
+ currentPointerIndex++) {
+ for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
+ lastPointerIndex++) {
+ int64_t deltaX = currentTouch.pointers[currentPointerIndex].x
+ - lastTouch.pointers[lastPointerIndex].x;
+ int64_t deltaY = currentTouch.pointers[currentPointerIndex].y
+ - lastTouch.pointers[lastPointerIndex].y;
+
+ uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+ // Insert new element into the heap (sift up).
+ heap[heapSize].currentPointerIndex = currentPointerIndex;
+ heap[heapSize].lastPointerIndex = lastPointerIndex;
+ heap[heapSize].distance = distance;
+ heapSize += 1;
+ }
+ }
+
+ // Heapify
+ for (uint32_t startIndex = heapSize / 2; startIndex != 0; ) {
+ startIndex -= 1;
+ for (uint32_t parentIndex = startIndex; ;) {
+ uint32_t childIndex = parentIndex * 2 + 1;
+ if (childIndex >= heapSize) {
+ break;
+ }
+
+ if (childIndex + 1 < heapSize
+ && heap[childIndex + 1].distance < heap[childIndex].distance) {
+ childIndex += 1;
+ }
+
+ if (heap[parentIndex].distance <= heap[childIndex].distance) {
+ break;
+ }
+
+ swap(heap[parentIndex], heap[childIndex]);
+ parentIndex = childIndex;
+ }
+ }
+
+#if DEBUG_POINTER_ASSIGNMENT
+ LOGD("calculatePointerIds - initial distance min-heap: size=%d", heapSize);
+ for (size_t i = 0; i < heapSize; i++) {
+ LOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
+ i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+ heap[i].distance);
+ }
+#endif
+
+ // Pull matches out by increasing order of distance.
+ // To avoid reassigning pointers that have already been matched, the loop keeps track
+ // of which last and current pointers have been matched using the matchedXXXBits variables.
+ // It also tracks the used pointer id bits.
+ BitSet32 matchedLastBits(0);
+ BitSet32 matchedCurrentBits(0);
+ BitSet32 usedIdBits(0);
+ bool first = true;
+ for (uint32_t i = min(currentPointerCount, lastPointerCount); i > 0; i--) {
+ for (;;) {
+ if (first) {
+ // The first time through the loop, we just consume the root element of
+ // the heap (the one with smallest distance).
+ first = false;
+ } else {
+ // Previous iterations consumed the root element of the heap.
+ // Pop root element off of the heap (sift down).
+ heapSize -= 1;
+ assert(heapSize > 0);
+
+ // Sift down.
+ heap[0] = heap[heapSize];
+ for (uint32_t parentIndex = 0; ;) {
+ uint32_t childIndex = parentIndex * 2 + 1;
+ if (childIndex >= heapSize) {
+ break;
+ }
+
+ if (childIndex + 1 < heapSize
+ && heap[childIndex + 1].distance < heap[childIndex].distance) {
+ childIndex += 1;
+ }
+
+ if (heap[parentIndex].distance <= heap[childIndex].distance) {
+ break;
+ }
+
+ swap(heap[parentIndex], heap[childIndex]);
+ parentIndex = childIndex;
+ }
+
+#if DEBUG_POINTER_ASSIGNMENT
+ LOGD("calculatePointerIds - reduced distance min-heap: size=%d", heapSize);
+ for (size_t i = 0; i < heapSize; i++) {
+ LOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
+ i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
+ heap[i].distance);
+ }
+#endif
+ }
+
+ uint32_t currentPointerIndex = heap[0].currentPointerIndex;
+ if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
+
+ uint32_t lastPointerIndex = heap[0].lastPointerIndex;
+ if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
+
+ matchedCurrentBits.markBit(currentPointerIndex);
+ matchedLastBits.markBit(lastPointerIndex);
+
+ uint32_t id = lastTouch.pointers[lastPointerIndex].id;
+ currentTouch.pointers[currentPointerIndex].id = id;
+ currentTouch.idToIndex[id] = currentPointerIndex;
+ usedIdBits.markBit(id);
+
+#if DEBUG_POINTER_ASSIGNMENT
+ LOGD("calculatePointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
+ lastPointerIndex, currentPointerIndex, id, heap[0].distance);
+#endif
+ break;
+ }
+ }
+
+ // Assign fresh ids to new pointers.
+ if (currentPointerCount > lastPointerCount) {
+ for (uint32_t i = currentPointerCount - lastPointerCount; ;) {
+ uint32_t currentPointerIndex = matchedCurrentBits.firstUnmarkedBit();
+ uint32_t id = usedIdBits.firstUnmarkedBit();
+
+ currentTouch.pointers[currentPointerIndex].id = id;
+ currentTouch.idToIndex[id] = currentPointerIndex;
+ usedIdBits.markBit(id);
+
+#if DEBUG_POINTER_ASSIGNMENT
+ LOGD("calculatePointerIds - assigned: cur=%d, id=%d",
+ currentPointerIndex, id);
+#endif
+
+ if (--i == 0) break; // done
+ matchedCurrentBits.markBit(currentPointerIndex);
+ }
+ }
+
+ // Fix id bits.
+ currentTouch.idBits = usedIdBits;
+ }
+}
+
+/* Special hack for devices that have bad screen data: if one of the
+ * points has moved more than a screen height from the last position,
+ * then drop it. */
+bool InputDevice::TouchScreenState::applyBadTouchFilter() {
+ // This hack requires valid axis parameters.
+ if (! parameters.yAxis.valid) {
+ return false;
+ }
+
+ uint32_t pointerCount = currentTouch.pointerCount;
+
+ // Nothing to do if there are no points.
+ if (pointerCount == 0) {
+ return false;
+ }
+
+ // Don't do anything if a finger is going down or up. We run
+ // here before assigning pointer IDs, so there isn't a good
+ // way to do per-finger matching.
+ if (pointerCount != lastTouch.pointerCount) {
+ return false;
+ }
+
+ // We consider a single movement across more than a 7/16 of
+ // the long size of the screen to be bad. This was a magic value
+ // determined by looking at the maximum distance it is feasible
+ // to actually move in one sample.
+ int32_t maxDeltaY = parameters.yAxis.range * 7 / 16;
+
+ // XXX The original code in InputDevice.java included commented out
+ // code for testing the X axis. Note that when we drop a point
+ // we don't actually restore the old X either. Strange.
+ // The old code also tries to track when bad points were previously
+ // detected but it turns out that due to the placement of a "break"
+ // at the end of the loop, we never set mDroppedBadPoint to true
+ // so it is effectively dead code.
+ // Need to figure out if the old code is busted or just overcomplicated
+ // but working as intended.
+
+ // Look through all new points and see if any are farther than
+ // acceptable from all previous points.
+ for (uint32_t i = pointerCount; i-- > 0; ) {
+ int32_t y = currentTouch.pointers[i].y;
+ int32_t closestY = INT_MAX;
+ int32_t closestDeltaY = 0;
+
+#if DEBUG_HACKS
+ LOGD("BadTouchFilter: Looking at next point #%d: y=%d", i, y);
+#endif
+
+ for (uint32_t j = pointerCount; j-- > 0; ) {
+ int32_t lastY = lastTouch.pointers[j].y;
+ int32_t deltaY = abs(y - lastY);
+
+#if DEBUG_HACKS
+ LOGD("BadTouchFilter: Comparing with last point #%d: y=%d deltaY=%d",
+ j, lastY, deltaY);
+#endif
+
+ if (deltaY < maxDeltaY) {
+ goto SkipSufficientlyClosePoint;
+ }
+ if (deltaY < closestDeltaY) {
+ closestDeltaY = deltaY;
+ closestY = lastY;
+ }
+ }
+
+ // Must not have found a close enough match.
+#if DEBUG_HACKS
+ LOGD("BadTouchFilter: Dropping bad point #%d: newY=%d oldY=%d deltaY=%d maxDeltaY=%d",
+ i, y, closestY, closestDeltaY, maxDeltaY);
+#endif
+
+ currentTouch.pointers[i].y = closestY;
+ return true; // XXX original code only corrects one point
+
+ SkipSufficientlyClosePoint: ;
+ }
+
+ // No change.
+ return false;
+}
+
+/* Special hack for devices that have bad screen data: drop points where
+ * the coordinate value for one axis has jumped to the other pointer's location.
+ */
+bool InputDevice::TouchScreenState::applyJumpyTouchFilter() {
+ // This hack requires valid axis parameters.
+ if (! parameters.yAxis.valid) {
+ return false;
+ }
+
+ uint32_t pointerCount = currentTouch.pointerCount;
+ if (lastTouch.pointerCount != pointerCount) {
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Different pointer count %d -> %d",
+ lastTouch.pointerCount, pointerCount);
+ for (uint32_t i = 0; i < pointerCount; i++) {
+ LOGD(" Pointer %d (%d, %d)", i,
+ currentTouch.pointers[i].x, currentTouch.pointers[i].y);
+ }
+#endif
+
+ if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_TRANSITION_DROPS) {
+ if (lastTouch.pointerCount == 1 && pointerCount == 2) {
+ // Just drop the first few events going from 1 to 2 pointers.
+ // They're bad often enough that they're not worth considering.
+ currentTouch.pointerCount = 1;
+ jumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Pointer 2 dropped");
+#endif
+ return true;
+ } else if (lastTouch.pointerCount == 2 && pointerCount == 1) {
+ // The event when we go from 2 -> 1 tends to be messed up too
+ currentTouch.pointerCount = 2;
+ currentTouch.pointers[0] = lastTouch.pointers[0];
+ currentTouch.pointers[1] = lastTouch.pointers[1];
+ jumpyTouchFilter.jumpyPointsDropped += 1;
+
+#if DEBUG_HACKS
+ for (int32_t i = 0; i < 2; i++) {
+ LOGD("JumpyTouchFilter: Pointer %d replaced (%d, %d)", i,
+ currentTouch.pointers[i].x, currentTouch.pointers[i].y);
+ }
+#endif
+ return true;
+ }
+ }
+ // Reset jumpy points dropped on other transitions or if limit exceeded.
+ jumpyTouchFilter.jumpyPointsDropped = 0;
+
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Transition - drop limit reset");
+#endif
+ return false;
+ }
+
+ // We have the same number of pointers as last time.
+ // A 'jumpy' point is one where the coordinate value for one axis
+ // has jumped to the other pointer's location. No need to do anything
+ // else if we only have one pointer.
+ if (pointerCount < 2) {
+ return false;
+ }
+
+ if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_DROP_LIMIT) {
+ int jumpyEpsilon = parameters.yAxis.range / JUMPY_EPSILON_DIVISOR;
+
+ // We only replace the single worst jumpy point as characterized by pointer distance
+ // in a single axis.
+ int32_t badPointerIndex = -1;
+ int32_t badPointerReplacementIndex = -1;
+ int32_t badPointerDistance = INT_MIN; // distance to be corrected
+
+ for (uint32_t i = pointerCount; i-- > 0; ) {
+ int32_t x = currentTouch.pointers[i].x;
+ int32_t y = currentTouch.pointers[i].y;
+
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Point %d (%d, %d)", i, x, y);
+#endif
+
+ // Check if a touch point is too close to another's coordinates
+ bool dropX = false, dropY = false;
+ for (uint32_t j = 0; j < pointerCount; j++) {
+ if (i == j) {
+ continue;
+ }
+
+ if (abs(x - currentTouch.pointers[j].x) <= jumpyEpsilon) {
+ dropX = true;
+ break;
+ }
+
+ if (abs(y - currentTouch.pointers[j].y) <= jumpyEpsilon) {
+ dropY = true;
+ break;
+ }
+ }
+ if (! dropX && ! dropY) {
+ continue; // not jumpy
+ }
+
+ // Find a replacement candidate by comparing with older points on the
+ // complementary (non-jumpy) axis.
+ int32_t distance = INT_MIN; // distance to be corrected
+ int32_t replacementIndex = -1;
+
+ if (dropX) {
+ // X looks too close. Find an older replacement point with a close Y.
+ int32_t smallestDeltaY = INT_MAX;
+ for (uint32_t j = 0; j < pointerCount; j++) {
+ int32_t deltaY = abs(y - lastTouch.pointers[j].y);
+ if (deltaY < smallestDeltaY) {
+ smallestDeltaY = deltaY;
+ replacementIndex = j;
+ }
+ }
+ distance = abs(x - lastTouch.pointers[replacementIndex].x);
+ } else {
+ // Y looks too close. Find an older replacement point with a close X.
+ int32_t smallestDeltaX = INT_MAX;
+ for (uint32_t j = 0; j < pointerCount; j++) {
+ int32_t deltaX = abs(x - lastTouch.pointers[j].x);
+ if (deltaX < smallestDeltaX) {
+ smallestDeltaX = deltaX;
+ replacementIndex = j;
+ }
+ }
+ distance = abs(y - lastTouch.pointers[replacementIndex].y);
+ }
+
+ // If replacing this pointer would correct a worse error than the previous ones
+ // considered, then use this replacement instead.
+ if (distance > badPointerDistance) {
+ badPointerIndex = i;
+ badPointerReplacementIndex = replacementIndex;
+ badPointerDistance = distance;
+ }
+ }
+
+ // Correct the jumpy pointer if one was found.
+ if (badPointerIndex >= 0) {
+#if DEBUG_HACKS
+ LOGD("JumpyTouchFilter: Replacing bad pointer %d with (%d, %d)",
+ badPointerIndex,
+ lastTouch.pointers[badPointerReplacementIndex].x,
+ lastTouch.pointers[badPointerReplacementIndex].y);
+#endif
+
+ currentTouch.pointers[badPointerIndex].x =
+ lastTouch.pointers[badPointerReplacementIndex].x;
+ currentTouch.pointers[badPointerIndex].y =
+ lastTouch.pointers[badPointerReplacementIndex].y;
+ jumpyTouchFilter.jumpyPointsDropped += 1;
+ return true;
+ }
+ }
+
+ jumpyTouchFilter.jumpyPointsDropped = 0;
+ return false;
+}
+
+/* Special hack for devices that have bad screen data: aggregate and
+ * compute averages of the coordinate data, to reduce the amount of
+ * jitter seen by applications. */
+void InputDevice::TouchScreenState::applyAveragingTouchFilter() {
+ for (uint32_t currentIndex = 0; currentIndex < currentTouch.pointerCount; currentIndex++) {
+ uint32_t id = currentTouch.pointers[currentIndex].id;
+ int32_t x = currentTouch.pointers[currentIndex].x;
+ int32_t y = currentTouch.pointers[currentIndex].y;
+ int32_t pressure = currentTouch.pointers[currentIndex].pressure;
+
+ if (lastTouch.idBits.hasBit(id)) {
+ // Pointer was down before and is still down now.
+ // Compute average over history trace.
+ uint32_t start = averagingTouchFilter.historyStart[id];
+ uint32_t end = averagingTouchFilter.historyEnd[id];
+
+ int64_t deltaX = x - averagingTouchFilter.historyData[end].pointers[id].x;
+ int64_t deltaY = y - averagingTouchFilter.historyData[end].pointers[id].y;
+ uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
+
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - Distance from last sample: %lld",
+ id, distance);
+#endif
+
+ if (distance < AVERAGING_DISTANCE_LIMIT) {
+ // Increment end index in preparation for recording new historical data.
+ end += 1;
+ if (end > AVERAGING_HISTORY_SIZE) {
+ end = 0;
+ }
+
+ // If the end index has looped back to the start index then we have filled
+ // the historical trace up to the desired size so we drop the historical
+ // data at the start of the trace.
+ if (end == start) {
+ start += 1;
+ if (start > AVERAGING_HISTORY_SIZE) {
+ start = 0;
+ }
+ }
+
+ // Add the raw data to the historical trace.
+ averagingTouchFilter.historyStart[id] = start;
+ averagingTouchFilter.historyEnd[id] = end;
+ averagingTouchFilter.historyData[end].pointers[id].x = x;
+ averagingTouchFilter.historyData[end].pointers[id].y = y;
+ averagingTouchFilter.historyData[end].pointers[id].pressure = pressure;
+
+ // Average over all historical positions in the trace by total pressure.
+ int32_t averagedX = 0;
+ int32_t averagedY = 0;
+ int32_t totalPressure = 0;
+ for (;;) {
+ int32_t historicalX = averagingTouchFilter.historyData[start].pointers[id].x;
+ int32_t historicalY = averagingTouchFilter.historyData[start].pointers[id].y;
+ int32_t historicalPressure = averagingTouchFilter.historyData[start]
+ .pointers[id].pressure;
+
+ averagedX += historicalX * historicalPressure;
+ averagedY += historicalY * historicalPressure;
+ totalPressure += historicalPressure;
+
+ if (start == end) {
+ break;
+ }
+
+ start += 1;
+ if (start > AVERAGING_HISTORY_SIZE) {
+ start = 0;
+ }
+ }
+
+ averagedX /= totalPressure;
+ averagedY /= totalPressure;
+
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - "
+ "totalPressure=%d, averagedX=%d, averagedY=%d", id, totalPressure,
+ averagedX, averagedY);
+#endif
+
+ currentTouch.pointers[currentIndex].x = averagedX;
+ currentTouch.pointers[currentIndex].y = averagedY;
+ } else {
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - Exceeded max distance", id);
+#endif
+ }
+ } else {
+#if DEBUG_HACKS
+ LOGD("AveragingTouchFilter: Pointer id %d - Pointer went up", id);
+#endif
+ }
+
+ // Reset pointer history.
+ averagingTouchFilter.historyStart[id] = 0;
+ averagingTouchFilter.historyEnd[id] = 0;
+ averagingTouchFilter.historyData[0].pointers[id].x = x;
+ averagingTouchFilter.historyData[0].pointers[id].y = y;
+ averagingTouchFilter.historyData[0].pointers[id].pressure = pressure;
+ }
+}
+
+bool InputDevice::TouchScreenState::isPointInsideDisplay(int32_t x, int32_t y) const {
+ if (! parameters.xAxis.valid || ! parameters.yAxis.valid) {
+ // Assume all points on a touch screen without valid axis parameters are
+ // inside the display.
+ return true;
+ }
+
+ return x >= parameters.xAxis.minValue
+ && x <= parameters.xAxis.maxValue
+ && y >= parameters.yAxis.minValue
+ && y <= parameters.yAxis.maxValue;
+}
+
+const InputDevice::VirtualKey* InputDevice::TouchScreenState::findVirtualKeyHit() const {
+ int32_t x = currentTouch.pointers[0].x;
+ int32_t y = currentTouch.pointers[0].y;
+ for (size_t i = 0; i < virtualKeys.size(); i++) {
+ const InputDevice::VirtualKey& virtualKey = virtualKeys[i];
+
+#if DEBUG_VIRTUAL_KEYS
+ LOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
+ "left=%d, top=%d, right=%d, bottom=%d",
+ x, y,
+ virtualKey.keyCode, virtualKey.scanCode,
+ virtualKey.hitLeft, virtualKey.hitTop,
+ virtualKey.hitRight, virtualKey.hitBottom);
+#endif
+
+ if (virtualKey.isHit(x, y)) {
+ return & virtualKey;
+ }
+ }
+
+ return NULL;
+}
+
+
+// --- InputDevice::SingleTouchScreenState ---
+
+void InputDevice::SingleTouchScreenState::reset() {
+ accumulator.clear();
+ current.down = false;
+ current.x = 0;
+ current.y = 0;
+ current.pressure = 0;
+ current.size = 0;
+}
+
+
+// --- InputDevice::MultiTouchScreenState ---
+
+void InputDevice::MultiTouchScreenState::reset() {
+ accumulator.clear();
+}
+
+} // namespace android
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
index f809cba..c4ffce1 100644
--- a/libs/ui/InputDispatcher.cpp
+++ b/libs/ui/InputDispatcher.cpp
@@ -40,10 +40,10 @@
// TODO, this needs to be somewhere else, perhaps in the policy
static inline bool isMovementKey(int32_t keyCode) {
- return keyCode == KEYCODE_DPAD_UP
- || keyCode == KEYCODE_DPAD_DOWN
- || keyCode == KEYCODE_DPAD_LEFT
- || keyCode == KEYCODE_DPAD_RIGHT;
+ return keyCode == AKEYCODE_DPAD_UP
+ || keyCode == AKEYCODE_DPAD_DOWN
+ || keyCode == AKEYCODE_DPAD_LEFT
+ || keyCode == AKEYCODE_DPAD_RIGHT;
}
static inline nsecs_t now() {
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
index fced15c..0a21db7 100644
--- a/libs/ui/InputReader.cpp
+++ b/libs/ui/InputReader.cpp
@@ -33,18 +33,6 @@
/** Amount that trackball needs to move in order to generate a key event. */
#define TRACKBALL_MOVEMENT_THRESHOLD 6
-/* Slop distance for jumpy pointer detection.
- * The vertical range of the screen divided by this is our epsilon value. */
-#define JUMPY_EPSILON_DIVISOR 212
-
-/* Number of jumpy points to drop for touchscreens that need it. */
-#define JUMPY_TRANSITION_DROPS 3
-#define JUMPY_DROP_LIMIT 3
-
-/* Maximum squared distance for averaging.
- * If moving farther than this, turn of averaging to avoid lag in response. */
-#define AVERAGING_DISTANCE_LIMIT (75 * 75)
-
namespace android {
@@ -71,19 +59,19 @@
int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState) {
int32_t mask;
switch (keyCode) {
- case KEYCODE_ALT_LEFT:
+ case AKEYCODE_ALT_LEFT:
mask = META_ALT_LEFT_ON;
break;
- case KEYCODE_ALT_RIGHT:
+ case AKEYCODE_ALT_RIGHT:
mask = META_ALT_RIGHT_ON;
break;
- case KEYCODE_SHIFT_LEFT:
+ case AKEYCODE_SHIFT_LEFT:
mask = META_SHIFT_LEFT_ON;
break;
- case KEYCODE_SHIFT_RIGHT:
+ case AKEYCODE_SHIFT_RIGHT:
mask = META_SHIFT_RIGHT_ON;
break;
- case KEYCODE_SYM:
+ case AKEYCODE_SYM:
mask = META_SYM_ON;
break;
default:
@@ -107,10 +95,10 @@
static const int32_t keyCodeRotationMap[][4] = {
// key codes enumerated counter-clockwise with the original (unrotated) key first
// no rotation, 90 degree rotation, 180 degree rotation, 270 degree rotation
- { KEYCODE_DPAD_DOWN, KEYCODE_DPAD_RIGHT, KEYCODE_DPAD_UP, KEYCODE_DPAD_LEFT },
- { KEYCODE_DPAD_RIGHT, KEYCODE_DPAD_UP, KEYCODE_DPAD_LEFT, KEYCODE_DPAD_DOWN },
- { KEYCODE_DPAD_UP, KEYCODE_DPAD_LEFT, KEYCODE_DPAD_DOWN, KEYCODE_DPAD_RIGHT },
- { KEYCODE_DPAD_LEFT, KEYCODE_DPAD_DOWN, KEYCODE_DPAD_RIGHT, KEYCODE_DPAD_UP },
+ { AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT },
+ { AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN },
+ { AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT },
+ { AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP },
};
static const int keyCodeRotationMapSize =
sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
@@ -127,668 +115,6 @@
}
-// --- InputDevice ---
-
-InputDevice::InputDevice(int32_t id, uint32_t classes, String8 name) :
- id(id), classes(classes), name(name), ignored(false) {
-}
-
-void InputDevice::reset() {
- if (isKeyboard()) {
- keyboard.reset();
- }
-
- if (isTrackball()) {
- trackball.reset();
- }
-
- if (isMultiTouchScreen()) {
- multiTouchScreen.reset();
- } else if (isSingleTouchScreen()) {
- singleTouchScreen.reset();
- }
-
- if (isTouchScreen()) {
- touchScreen.reset();
- }
-}
-
-
-// --- InputDevice::TouchData ---
-
-void InputDevice::TouchData::copyFrom(const TouchData& other) {
- pointerCount = other.pointerCount;
- idBits = other.idBits;
-
- for (uint32_t i = 0; i < pointerCount; i++) {
- pointers[i] = other.pointers[i];
- idToIndex[i] = other.idToIndex[i];
- }
-}
-
-
-// --- InputDevice::KeyboardState ---
-
-void InputDevice::KeyboardState::reset() {
- current.metaState = META_NONE;
- current.downTime = 0;
-}
-
-
-// --- InputDevice::TrackballState ---
-
-void InputDevice::TrackballState::reset() {
- accumulator.clear();
- current.down = false;
- current.downTime = 0;
-}
-
-
-// --- InputDevice::TouchScreenState ---
-
-void InputDevice::TouchScreenState::reset() {
- lastTouch.clear();
- downTime = 0;
- currentVirtualKey.status = CurrentVirtualKeyState::STATUS_UP;
-
- for (uint32_t i = 0; i < MAX_POINTERS; i++) {
- averagingTouchFilter.historyStart[i] = 0;
- averagingTouchFilter.historyEnd[i] = 0;
- }
-
- jumpyTouchFilter.jumpyPointsDropped = 0;
-}
-
-struct PointerDistanceHeapElement {
- uint32_t currentPointerIndex : 8;
- uint32_t lastPointerIndex : 8;
- uint64_t distance : 48; // squared distance
-};
-
-void InputDevice::TouchScreenState::calculatePointerIds() {
- uint32_t currentPointerCount = currentTouch.pointerCount;
- uint32_t lastPointerCount = lastTouch.pointerCount;
-
- if (currentPointerCount == 0) {
- // No pointers to assign.
- currentTouch.idBits.clear();
- } else if (lastPointerCount == 0) {
- // All pointers are new.
- currentTouch.idBits.clear();
- for (uint32_t i = 0; i < currentPointerCount; i++) {
- currentTouch.pointers[i].id = i;
- currentTouch.idToIndex[i] = i;
- currentTouch.idBits.markBit(i);
- }
- } else if (currentPointerCount == 1 && lastPointerCount == 1) {
- // Only one pointer and no change in count so it must have the same id as before.
- uint32_t id = lastTouch.pointers[0].id;
- currentTouch.pointers[0].id = id;
- currentTouch.idToIndex[id] = 0;
- currentTouch.idBits.value = BitSet32::valueForBit(id);
- } else {
- // General case.
- // We build a heap of squared euclidean distances between current and last pointers
- // associated with the current and last pointer indices. Then, we find the best
- // match (by distance) for each current pointer.
- PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS];
-
- uint32_t heapSize = 0;
- for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount;
- currentPointerIndex++) {
- for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
- lastPointerIndex++) {
- int64_t deltaX = currentTouch.pointers[currentPointerIndex].x
- - lastTouch.pointers[lastPointerIndex].x;
- int64_t deltaY = currentTouch.pointers[currentPointerIndex].y
- - lastTouch.pointers[lastPointerIndex].y;
-
- uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
-
- // Insert new element into the heap (sift up).
- heap[heapSize].currentPointerIndex = currentPointerIndex;
- heap[heapSize].lastPointerIndex = lastPointerIndex;
- heap[heapSize].distance = distance;
- heapSize += 1;
- }
- }
-
- // Heapify
- for (uint32_t startIndex = heapSize / 2; startIndex != 0; ) {
- startIndex -= 1;
- for (uint32_t parentIndex = startIndex; ;) {
- uint32_t childIndex = parentIndex * 2 + 1;
- if (childIndex >= heapSize) {
- break;
- }
-
- if (childIndex + 1 < heapSize
- && heap[childIndex + 1].distance < heap[childIndex].distance) {
- childIndex += 1;
- }
-
- if (heap[parentIndex].distance <= heap[childIndex].distance) {
- break;
- }
-
- swap(heap[parentIndex], heap[childIndex]);
- parentIndex = childIndex;
- }
- }
-
-#if DEBUG_POINTER_ASSIGNMENT
- LOGD("calculatePointerIds - initial distance min-heap: size=%d", heapSize);
- for (size_t i = 0; i < heapSize; i++) {
- LOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
- i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
- heap[i].distance);
- }
-#endif
-
- // Pull matches out by increasing order of distance.
- // To avoid reassigning pointers that have already been matched, the loop keeps track
- // of which last and current pointers have been matched using the matchedXXXBits variables.
- // It also tracks the used pointer id bits.
- BitSet32 matchedLastBits(0);
- BitSet32 matchedCurrentBits(0);
- BitSet32 usedIdBits(0);
- bool first = true;
- for (uint32_t i = min(currentPointerCount, lastPointerCount); i > 0; i--) {
- for (;;) {
- if (first) {
- // The first time through the loop, we just consume the root element of
- // the heap (the one with smallest distance).
- first = false;
- } else {
- // Previous iterations consumed the root element of the heap.
- // Pop root element off of the heap (sift down).
- heapSize -= 1;
- assert(heapSize > 0);
-
- // Sift down.
- heap[0] = heap[heapSize];
- for (uint32_t parentIndex = 0; ;) {
- uint32_t childIndex = parentIndex * 2 + 1;
- if (childIndex >= heapSize) {
- break;
- }
-
- if (childIndex + 1 < heapSize
- && heap[childIndex + 1].distance < heap[childIndex].distance) {
- childIndex += 1;
- }
-
- if (heap[parentIndex].distance <= heap[childIndex].distance) {
- break;
- }
-
- swap(heap[parentIndex], heap[childIndex]);
- parentIndex = childIndex;
- }
-
-#if DEBUG_POINTER_ASSIGNMENT
- LOGD("calculatePointerIds - reduced distance min-heap: size=%d", heapSize);
- for (size_t i = 0; i < heapSize; i++) {
- LOGD(" heap[%d]: cur=%d, last=%d, distance=%lld",
- i, heap[i].currentPointerIndex, heap[i].lastPointerIndex,
- heap[i].distance);
- }
-#endif
- }
-
- uint32_t currentPointerIndex = heap[0].currentPointerIndex;
- if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched
-
- uint32_t lastPointerIndex = heap[0].lastPointerIndex;
- if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched
-
- matchedCurrentBits.markBit(currentPointerIndex);
- matchedLastBits.markBit(lastPointerIndex);
-
- uint32_t id = lastTouch.pointers[lastPointerIndex].id;
- currentTouch.pointers[currentPointerIndex].id = id;
- currentTouch.idToIndex[id] = currentPointerIndex;
- usedIdBits.markBit(id);
-
-#if DEBUG_POINTER_ASSIGNMENT
- LOGD("calculatePointerIds - matched: cur=%d, last=%d, id=%d, distance=%lld",
- lastPointerIndex, currentPointerIndex, id, heap[0].distance);
-#endif
- break;
- }
- }
-
- // Assign fresh ids to new pointers.
- if (currentPointerCount > lastPointerCount) {
- for (uint32_t i = currentPointerCount - lastPointerCount; ;) {
- uint32_t currentPointerIndex = matchedCurrentBits.firstUnmarkedBit();
- uint32_t id = usedIdBits.firstUnmarkedBit();
-
- currentTouch.pointers[currentPointerIndex].id = id;
- currentTouch.idToIndex[id] = currentPointerIndex;
- usedIdBits.markBit(id);
-
-#if DEBUG_POINTER_ASSIGNMENT
- LOGD("calculatePointerIds - assigned: cur=%d, id=%d",
- currentPointerIndex, id);
-#endif
-
- if (--i == 0) break; // done
- matchedCurrentBits.markBit(currentPointerIndex);
- }
- }
-
- // Fix id bits.
- currentTouch.idBits = usedIdBits;
- }
-}
-
-/* Special hack for devices that have bad screen data: if one of the
- * points has moved more than a screen height from the last position,
- * then drop it. */
-bool InputDevice::TouchScreenState::applyBadTouchFilter() {
- // This hack requires valid axis parameters.
- if (! parameters.yAxis.valid) {
- return false;
- }
-
- uint32_t pointerCount = currentTouch.pointerCount;
-
- // Nothing to do if there are no points.
- if (pointerCount == 0) {
- return false;
- }
-
- // Don't do anything if a finger is going down or up. We run
- // here before assigning pointer IDs, so there isn't a good
- // way to do per-finger matching.
- if (pointerCount != lastTouch.pointerCount) {
- return false;
- }
-
- // We consider a single movement across more than a 7/16 of
- // the long size of the screen to be bad. This was a magic value
- // determined by looking at the maximum distance it is feasible
- // to actually move in one sample.
- int32_t maxDeltaY = parameters.yAxis.range * 7 / 16;
-
- // XXX The original code in InputDevice.java included commented out
- // code for testing the X axis. Note that when we drop a point
- // we don't actually restore the old X either. Strange.
- // The old code also tries to track when bad points were previously
- // detected but it turns out that due to the placement of a "break"
- // at the end of the loop, we never set mDroppedBadPoint to true
- // so it is effectively dead code.
- // Need to figure out if the old code is busted or just overcomplicated
- // but working as intended.
-
- // Look through all new points and see if any are farther than
- // acceptable from all previous points.
- for (uint32_t i = pointerCount; i-- > 0; ) {
- int32_t y = currentTouch.pointers[i].y;
- int32_t closestY = INT_MAX;
- int32_t closestDeltaY = 0;
-
-#if DEBUG_HACKS
- LOGD("BadTouchFilter: Looking at next point #%d: y=%d", i, y);
-#endif
-
- for (uint32_t j = pointerCount; j-- > 0; ) {
- int32_t lastY = lastTouch.pointers[j].y;
- int32_t deltaY = abs(y - lastY);
-
-#if DEBUG_HACKS
- LOGD("BadTouchFilter: Comparing with last point #%d: y=%d deltaY=%d",
- j, lastY, deltaY);
-#endif
-
- if (deltaY < maxDeltaY) {
- goto SkipSufficientlyClosePoint;
- }
- if (deltaY < closestDeltaY) {
- closestDeltaY = deltaY;
- closestY = lastY;
- }
- }
-
- // Must not have found a close enough match.
-#if DEBUG_HACKS
- LOGD("BadTouchFilter: Dropping bad point #%d: newY=%d oldY=%d deltaY=%d maxDeltaY=%d",
- i, y, closestY, closestDeltaY, maxDeltaY);
-#endif
-
- currentTouch.pointers[i].y = closestY;
- return true; // XXX original code only corrects one point
-
- SkipSufficientlyClosePoint: ;
- }
-
- // No change.
- return false;
-}
-
-/* Special hack for devices that have bad screen data: drop points where
- * the coordinate value for one axis has jumped to the other pointer's location.
- */
-bool InputDevice::TouchScreenState::applyJumpyTouchFilter() {
- // This hack requires valid axis parameters.
- if (! parameters.yAxis.valid) {
- return false;
- }
-
- uint32_t pointerCount = currentTouch.pointerCount;
- if (lastTouch.pointerCount != pointerCount) {
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Different pointer count %d -> %d",
- lastTouch.pointerCount, pointerCount);
- for (uint32_t i = 0; i < pointerCount; i++) {
- LOGD(" Pointer %d (%d, %d)", i,
- currentTouch.pointers[i].x, currentTouch.pointers[i].y);
- }
-#endif
-
- if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_TRANSITION_DROPS) {
- if (lastTouch.pointerCount == 1 && pointerCount == 2) {
- // Just drop the first few events going from 1 to 2 pointers.
- // They're bad often enough that they're not worth considering.
- currentTouch.pointerCount = 1;
- jumpyTouchFilter.jumpyPointsDropped += 1;
-
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Pointer 2 dropped");
-#endif
- return true;
- } else if (lastTouch.pointerCount == 2 && pointerCount == 1) {
- // The event when we go from 2 -> 1 tends to be messed up too
- currentTouch.pointerCount = 2;
- currentTouch.pointers[0] = lastTouch.pointers[0];
- currentTouch.pointers[1] = lastTouch.pointers[1];
- jumpyTouchFilter.jumpyPointsDropped += 1;
-
-#if DEBUG_HACKS
- for (int32_t i = 0; i < 2; i++) {
- LOGD("JumpyTouchFilter: Pointer %d replaced (%d, %d)", i,
- currentTouch.pointers[i].x, currentTouch.pointers[i].y);
- }
-#endif
- return true;
- }
- }
- // Reset jumpy points dropped on other transitions or if limit exceeded.
- jumpyTouchFilter.jumpyPointsDropped = 0;
-
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Transition - drop limit reset");
-#endif
- return false;
- }
-
- // We have the same number of pointers as last time.
- // A 'jumpy' point is one where the coordinate value for one axis
- // has jumped to the other pointer's location. No need to do anything
- // else if we only have one pointer.
- if (pointerCount < 2) {
- return false;
- }
-
- if (jumpyTouchFilter.jumpyPointsDropped < JUMPY_DROP_LIMIT) {
- int jumpyEpsilon = parameters.yAxis.range / JUMPY_EPSILON_DIVISOR;
-
- // We only replace the single worst jumpy point as characterized by pointer distance
- // in a single axis.
- int32_t badPointerIndex = -1;
- int32_t badPointerReplacementIndex = -1;
- int32_t badPointerDistance = INT_MIN; // distance to be corrected
-
- for (uint32_t i = pointerCount; i-- > 0; ) {
- int32_t x = currentTouch.pointers[i].x;
- int32_t y = currentTouch.pointers[i].y;
-
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Point %d (%d, %d)", i, x, y);
-#endif
-
- // Check if a touch point is too close to another's coordinates
- bool dropX = false, dropY = false;
- for (uint32_t j = 0; j < pointerCount; j++) {
- if (i == j) {
- continue;
- }
-
- if (abs(x - currentTouch.pointers[j].x) <= jumpyEpsilon) {
- dropX = true;
- break;
- }
-
- if (abs(y - currentTouch.pointers[j].y) <= jumpyEpsilon) {
- dropY = true;
- break;
- }
- }
- if (! dropX && ! dropY) {
- continue; // not jumpy
- }
-
- // Find a replacement candidate by comparing with older points on the
- // complementary (non-jumpy) axis.
- int32_t distance = INT_MIN; // distance to be corrected
- int32_t replacementIndex = -1;
-
- if (dropX) {
- // X looks too close. Find an older replacement point with a close Y.
- int32_t smallestDeltaY = INT_MAX;
- for (uint32_t j = 0; j < pointerCount; j++) {
- int32_t deltaY = abs(y - lastTouch.pointers[j].y);
- if (deltaY < smallestDeltaY) {
- smallestDeltaY = deltaY;
- replacementIndex = j;
- }
- }
- distance = abs(x - lastTouch.pointers[replacementIndex].x);
- } else {
- // Y looks too close. Find an older replacement point with a close X.
- int32_t smallestDeltaX = INT_MAX;
- for (uint32_t j = 0; j < pointerCount; j++) {
- int32_t deltaX = abs(x - lastTouch.pointers[j].x);
- if (deltaX < smallestDeltaX) {
- smallestDeltaX = deltaX;
- replacementIndex = j;
- }
- }
- distance = abs(y - lastTouch.pointers[replacementIndex].y);
- }
-
- // If replacing this pointer would correct a worse error than the previous ones
- // considered, then use this replacement instead.
- if (distance > badPointerDistance) {
- badPointerIndex = i;
- badPointerReplacementIndex = replacementIndex;
- badPointerDistance = distance;
- }
- }
-
- // Correct the jumpy pointer if one was found.
- if (badPointerIndex >= 0) {
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Replacing bad pointer %d with (%d, %d)",
- badPointerIndex,
- lastTouch.pointers[badPointerReplacementIndex].x,
- lastTouch.pointers[badPointerReplacementIndex].y);
-#endif
-
- currentTouch.pointers[badPointerIndex].x =
- lastTouch.pointers[badPointerReplacementIndex].x;
- currentTouch.pointers[badPointerIndex].y =
- lastTouch.pointers[badPointerReplacementIndex].y;
- jumpyTouchFilter.jumpyPointsDropped += 1;
- return true;
- }
- }
-
- jumpyTouchFilter.jumpyPointsDropped = 0;
- return false;
-}
-
-/* Special hack for devices that have bad screen data: aggregate and
- * compute averages of the coordinate data, to reduce the amount of
- * jitter seen by applications. */
-void InputDevice::TouchScreenState::applyAveragingTouchFilter() {
- for (uint32_t currentIndex = 0; currentIndex < currentTouch.pointerCount; currentIndex++) {
- uint32_t id = currentTouch.pointers[currentIndex].id;
- int32_t x = currentTouch.pointers[currentIndex].x;
- int32_t y = currentTouch.pointers[currentIndex].y;
- int32_t pressure = currentTouch.pointers[currentIndex].pressure;
-
- if (lastTouch.idBits.hasBit(id)) {
- // Pointer was down before and is still down now.
- // Compute average over history trace.
- uint32_t start = averagingTouchFilter.historyStart[id];
- uint32_t end = averagingTouchFilter.historyEnd[id];
-
- int64_t deltaX = x - averagingTouchFilter.historyData[end].pointers[id].x;
- int64_t deltaY = y - averagingTouchFilter.historyData[end].pointers[id].y;
- uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
-
-#if DEBUG_HACKS
- LOGD("AveragingTouchFilter: Pointer id %d - Distance from last sample: %lld",
- id, distance);
-#endif
-
- if (distance < AVERAGING_DISTANCE_LIMIT) {
- // Increment end index in preparation for recording new historical data.
- end += 1;
- if (end > AVERAGING_HISTORY_SIZE) {
- end = 0;
- }
-
- // If the end index has looped back to the start index then we have filled
- // the historical trace up to the desired size so we drop the historical
- // data at the start of the trace.
- if (end == start) {
- start += 1;
- if (start > AVERAGING_HISTORY_SIZE) {
- start = 0;
- }
- }
-
- // Add the raw data to the historical trace.
- averagingTouchFilter.historyStart[id] = start;
- averagingTouchFilter.historyEnd[id] = end;
- averagingTouchFilter.historyData[end].pointers[id].x = x;
- averagingTouchFilter.historyData[end].pointers[id].y = y;
- averagingTouchFilter.historyData[end].pointers[id].pressure = pressure;
-
- // Average over all historical positions in the trace by total pressure.
- int32_t averagedX = 0;
- int32_t averagedY = 0;
- int32_t totalPressure = 0;
- for (;;) {
- int32_t historicalX = averagingTouchFilter.historyData[start].pointers[id].x;
- int32_t historicalY = averagingTouchFilter.historyData[start].pointers[id].y;
- int32_t historicalPressure = averagingTouchFilter.historyData[start]
- .pointers[id].pressure;
-
- averagedX += historicalX * historicalPressure;
- averagedY += historicalY * historicalPressure;
- totalPressure += historicalPressure;
-
- if (start == end) {
- break;
- }
-
- start += 1;
- if (start > AVERAGING_HISTORY_SIZE) {
- start = 0;
- }
- }
-
- averagedX /= totalPressure;
- averagedY /= totalPressure;
-
-#if DEBUG_HACKS
- LOGD("AveragingTouchFilter: Pointer id %d - "
- "totalPressure=%d, averagedX=%d, averagedY=%d", id, totalPressure,
- averagedX, averagedY);
-#endif
-
- currentTouch.pointers[currentIndex].x = averagedX;
- currentTouch.pointers[currentIndex].y = averagedY;
- } else {
-#if DEBUG_HACKS
- LOGD("AveragingTouchFilter: Pointer id %d - Exceeded max distance", id);
-#endif
- }
- } else {
-#if DEBUG_HACKS
- LOGD("AveragingTouchFilter: Pointer id %d - Pointer went up", id);
-#endif
- }
-
- // Reset pointer history.
- averagingTouchFilter.historyStart[id] = 0;
- averagingTouchFilter.historyEnd[id] = 0;
- averagingTouchFilter.historyData[0].pointers[id].x = x;
- averagingTouchFilter.historyData[0].pointers[id].y = y;
- averagingTouchFilter.historyData[0].pointers[id].pressure = pressure;
- }
-}
-
-bool InputDevice::TouchScreenState::isPointInsideDisplay(int32_t x, int32_t y) const {
- if (! parameters.xAxis.valid || ! parameters.yAxis.valid) {
- // Assume all points on a touch screen without valid axis parameters are
- // inside the display.
- return true;
- }
-
- return x >= parameters.xAxis.minValue
- && x <= parameters.xAxis.maxValue
- && y >= parameters.yAxis.minValue
- && y <= parameters.yAxis.maxValue;
-}
-
-const InputDevice::VirtualKey* InputDevice::TouchScreenState::findVirtualKeyHit() const {
- int32_t x = currentTouch.pointers[0].x;
- int32_t y = currentTouch.pointers[0].y;
- for (size_t i = 0; i < virtualKeys.size(); i++) {
- const InputDevice::VirtualKey& virtualKey = virtualKeys[i];
-
-#if DEBUG_VIRTUAL_KEYS
- LOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, "
- "left=%d, top=%d, right=%d, bottom=%d",
- x, y,
- virtualKey.keyCode, virtualKey.scanCode,
- virtualKey.hitLeft, virtualKey.hitTop,
- virtualKey.hitRight, virtualKey.hitBottom);
-#endif
-
- if (virtualKey.isHit(x, y)) {
- return & virtualKey;
- }
- }
-
- return NULL;
-}
-
-
-// --- InputDevice::SingleTouchScreenState ---
-
-void InputDevice::SingleTouchScreenState::reset() {
- accumulator.clear();
- current.down = false;
- current.x = 0;
- current.y = 0;
- current.pressure = 0;
- current.size = 0;
-}
-
-
-// --- InputDevice::MultiTouchScreenState ---
-
-void InputDevice::MultiTouchScreenState::reset() {
- accumulator.clear();
-}
-
-
// --- InputReader ---
InputReader::InputReader(const sp<EventHubInterface>& eventHub,
@@ -927,32 +253,30 @@
bool down = rawEvent->value != 0;
int32_t scanCode = rawEvent->scanCode;
- if (device->isKeyboard() && (scanCode < BTN_FIRST || scanCode > BTN_LAST)) {
- int32_t keyCode = rawEvent->keyCode;
- onKey(rawEvent->when, device, down, keyCode, scanCode, rawEvent->flags);
- } else if (device->isSingleTouchScreen()) {
+ if (device->isSingleTouchScreen()) {
switch (rawEvent->scanCode) {
case BTN_TOUCH:
device->singleTouchScreen.accumulator.fields |=
InputDevice::SingleTouchScreenState::Accumulator::FIELD_BTN_TOUCH;
device->singleTouchScreen.accumulator.btnTouch = down;
- break;
+ return;
}
- } else if (device->isTrackball()) {
+ }
+
+ if (device->isTrackball()) {
switch (rawEvent->scanCode) {
case BTN_MOUSE:
device->trackball.accumulator.fields |=
InputDevice::TrackballState::Accumulator::FIELD_BTN_MOUSE;
device->trackball.accumulator.btnMouse = down;
-
- // send the down immediately
- // XXX this emulates the old behavior of KeyInputQueue, unclear whether it is
- // necessary or if we can wait until the next sync
- onTrackballStateChanged(rawEvent->when, device);
- device->trackball.accumulator.clear();
- break;
+ return;
}
}
+
+ if (device->isKeyboard()) {
+ int32_t keyCode = rawEvent->keyCode;
+ onKey(rawEvent->when, device, down, keyCode, scanCode, rawEvent->flags);
+ }
}
void InputReader::handleRelativeMotion(const RawEvent* rawEvent) {
diff --git a/libs/ui/tests/InputPublisherAndConsumer_test.cpp b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
index 2d6b531..55504f2 100644
--- a/libs/ui/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
@@ -76,7 +76,7 @@
const int32_t nature = INPUT_EVENT_NATURE_KEY;
const int32_t action = KEY_EVENT_ACTION_DOWN;
const int32_t flags = KEY_EVENT_FLAG_FROM_SYSTEM;
- const int32_t keyCode = KEYCODE_ENTER;
+ const int32_t keyCode = AKEYCODE_ENTER;
const int32_t scanCode = 13;
const int32_t metaState = META_ALT_LEFT_ON | META_ALT_ON;
const int32_t repeatCount = 1;
diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index 2bb42ab..8bd5823 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -122,3 +122,13 @@
include $(BUILD_STATIC_LIBRARY)
endif
endif
+
+
+# Include subdirectory makefiles
+# ============================================================
+
+# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
+# team really wants is to build the stuff defined by this makefile.
+ifeq (,$(ONE_SHOT_MAKEFILE))
+include $(call first-makefiles-under,$(LOCAL_PATH))
+endif
\ No newline at end of file
diff --git a/native/include/android/input.h b/native/include/android/input.h
index 014b6a3..25dd68e 100644
--- a/native/include/android/input.h
+++ b/native/include/android/input.h
@@ -68,7 +68,10 @@
INPUT_DEVICE_CLASS_TOUCHSCREEN_MT= 0x00000010,
/* The input device is a directional pad. */
- INPUT_DEVICE_CLASS_DPAD = 0x00000020
+ INPUT_DEVICE_CLASS_DPAD = 0x00000020,
+
+ /* The input device is a gamepad (implies keyboard). */
+ INPUT_DEVICE_CLASS_GAMEPAD = 0x00000040
};
/*
diff --git a/native/include/android/keycodes.h b/native/include/android/keycodes.h
index 36855c5..496eccc0 100644
--- a/native/include/android/keycodes.h
+++ b/native/include/android/keycodes.h
@@ -41,114 +41,122 @@
/*
* Key codes.
- *
- * XXX: The declarations in <ui/KeycodeLabel.h> should be updated to use these instead.
- * We should probably move this into android/keycodes.h and add some new API for
- * getting labels so that we can remove the other tables also in KeycodeLabel.h.
*/
enum {
- KEYCODE_UNKNOWN = 0,
- KEYCODE_SOFT_LEFT = 1,
- KEYCODE_SOFT_RIGHT = 2,
- KEYCODE_HOME = 3,
- KEYCODE_BACK = 4,
- KEYCODE_CALL = 5,
- KEYCODE_ENDCALL = 6,
- KEYCODE_0 = 7,
- KEYCODE_1 = 8,
- KEYCODE_2 = 9,
- KEYCODE_3 = 10,
- KEYCODE_4 = 11,
- KEYCODE_5 = 12,
- KEYCODE_6 = 13,
- KEYCODE_7 = 14,
- KEYCODE_8 = 15,
- KEYCODE_9 = 16,
- KEYCODE_STAR = 17,
- KEYCODE_POUND = 18,
- KEYCODE_DPAD_UP = 19,
- KEYCODE_DPAD_DOWN = 20,
- KEYCODE_DPAD_LEFT = 21,
- KEYCODE_DPAD_RIGHT = 22,
- KEYCODE_DPAD_CENTER = 23,
- KEYCODE_VOLUME_UP = 24,
- KEYCODE_VOLUME_DOWN = 25,
- KEYCODE_POWER = 26,
- KEYCODE_CAMERA = 27,
- KEYCODE_CLEAR = 28,
- KEYCODE_A = 29,
- KEYCODE_B = 30,
- KEYCODE_C = 31,
- KEYCODE_D = 32,
- KEYCODE_E = 33,
- KEYCODE_F = 34,
- KEYCODE_G = 35,
- KEYCODE_H = 36,
- KEYCODE_I = 37,
- KEYCODE_J = 38,
- KEYCODE_K = 39,
- KEYCODE_L = 40,
- KEYCODE_M = 41,
- KEYCODE_N = 42,
- KEYCODE_O = 43,
- KEYCODE_P = 44,
- KEYCODE_Q = 45,
- KEYCODE_R = 46,
- KEYCODE_S = 47,
- KEYCODE_T = 48,
- KEYCODE_U = 49,
- KEYCODE_V = 50,
- KEYCODE_W = 51,
- KEYCODE_X = 52,
- KEYCODE_Y = 53,
- KEYCODE_Z = 54,
- KEYCODE_COMMA = 55,
- KEYCODE_PERIOD = 56,
- KEYCODE_ALT_LEFT = 57,
- KEYCODE_ALT_RIGHT = 58,
- KEYCODE_SHIFT_LEFT = 59,
- KEYCODE_SHIFT_RIGHT = 60,
- KEYCODE_TAB = 61,
- KEYCODE_SPACE = 62,
- KEYCODE_SYM = 63,
- KEYCODE_EXPLORER = 64,
- KEYCODE_ENVELOPE = 65,
- KEYCODE_ENTER = 66,
- KEYCODE_DEL = 67,
- KEYCODE_GRAVE = 68,
- KEYCODE_MINUS = 69,
- KEYCODE_EQUALS = 70,
- KEYCODE_LEFT_BRACKET = 71,
- KEYCODE_RIGHT_BRACKET = 72,
- KEYCODE_BACKSLASH = 73,
- KEYCODE_SEMICOLON = 74,
- KEYCODE_APOSTROPHE = 75,
- KEYCODE_SLASH = 76,
- KEYCODE_AT = 77,
- KEYCODE_NUM = 78,
- KEYCODE_HEADSETHOOK = 79,
- KEYCODE_FOCUS = 80, // *Camera* focus
- KEYCODE_PLUS = 81,
- KEYCODE_MENU = 82,
- KEYCODE_NOTIFICATION = 83,
- KEYCODE_SEARCH = 84,
- KEYCODE_MEDIA_PLAY_PAUSE= 85,
- KEYCODE_MEDIA_STOP = 86,
- KEYCODE_MEDIA_NEXT = 87,
- KEYCODE_MEDIA_PREVIOUS = 88,
- KEYCODE_MEDIA_REWIND = 89,
- KEYCODE_MEDIA_FAST_FORWARD = 90,
- KEYCODE_MUTE = 91,
- KEYCODE_PAGE_UP = 92,
- KEYCODE_PAGE_DOWN = 93
+ AKEYCODE_UNKNOWN = 0,
+ AKEYCODE_SOFT_LEFT = 1,
+ AKEYCODE_SOFT_RIGHT = 2,
+ AKEYCODE_HOME = 3,
+ AKEYCODE_BACK = 4,
+ AKEYCODE_CALL = 5,
+ AKEYCODE_ENDCALL = 6,
+ AKEYCODE_0 = 7,
+ AKEYCODE_1 = 8,
+ AKEYCODE_2 = 9,
+ AKEYCODE_3 = 10,
+ AKEYCODE_4 = 11,
+ AKEYCODE_5 = 12,
+ AKEYCODE_6 = 13,
+ AKEYCODE_7 = 14,
+ AKEYCODE_8 = 15,
+ AKEYCODE_9 = 16,
+ AKEYCODE_STAR = 17,
+ AKEYCODE_POUND = 18,
+ AKEYCODE_DPAD_UP = 19,
+ AKEYCODE_DPAD_DOWN = 20,
+ AKEYCODE_DPAD_LEFT = 21,
+ AKEYCODE_DPAD_RIGHT = 22,
+ AKEYCODE_DPAD_CENTER = 23,
+ AKEYCODE_VOLUME_UP = 24,
+ AKEYCODE_VOLUME_DOWN = 25,
+ AKEYCODE_POWER = 26,
+ AKEYCODE_CAMERA = 27,
+ AKEYCODE_CLEAR = 28,
+ AKEYCODE_A = 29,
+ AKEYCODE_B = 30,
+ AKEYCODE_C = 31,
+ AKEYCODE_D = 32,
+ AKEYCODE_E = 33,
+ AKEYCODE_F = 34,
+ AKEYCODE_G = 35,
+ AKEYCODE_H = 36,
+ AKEYCODE_I = 37,
+ AKEYCODE_J = 38,
+ AKEYCODE_K = 39,
+ AKEYCODE_L = 40,
+ AKEYCODE_M = 41,
+ AKEYCODE_N = 42,
+ AKEYCODE_O = 43,
+ AKEYCODE_P = 44,
+ AKEYCODE_Q = 45,
+ AKEYCODE_R = 46,
+ AKEYCODE_S = 47,
+ AKEYCODE_T = 48,
+ AKEYCODE_U = 49,
+ AKEYCODE_V = 50,
+ AKEYCODE_W = 51,
+ AKEYCODE_X = 52,
+ AKEYCODE_Y = 53,
+ AKEYCODE_Z = 54,
+ AKEYCODE_COMMA = 55,
+ AKEYCODE_PERIOD = 56,
+ AKEYCODE_ALT_LEFT = 57,
+ AKEYCODE_ALT_RIGHT = 58,
+ AKEYCODE_SHIFT_LEFT = 59,
+ AKEYCODE_SHIFT_RIGHT = 60,
+ AKEYCODE_TAB = 61,
+ AKEYCODE_SPACE = 62,
+ AKEYCODE_SYM = 63,
+ AKEYCODE_EXPLORER = 64,
+ AKEYCODE_ENVELOPE = 65,
+ AKEYCODE_ENTER = 66,
+ AKEYCODE_DEL = 67,
+ AKEYCODE_GRAVE = 68,
+ AKEYCODE_MINUS = 69,
+ AKEYCODE_EQUALS = 70,
+ AKEYCODE_LEFT_BRACKET = 71,
+ AKEYCODE_RIGHT_BRACKET = 72,
+ AKEYCODE_BACKSLASH = 73,
+ AKEYCODE_SEMICOLON = 74,
+ AKEYCODE_APOSTROPHE = 75,
+ AKEYCODE_SLASH = 76,
+ AKEYCODE_AT = 77,
+ AKEYCODE_NUM = 78,
+ AKEYCODE_HEADSETHOOK = 79,
+ AKEYCODE_FOCUS = 80, // *Camera* focus
+ AKEYCODE_PLUS = 81,
+ AKEYCODE_MENU = 82,
+ AKEYCODE_NOTIFICATION = 83,
+ AKEYCODE_SEARCH = 84,
+ AKEYCODE_MEDIA_PLAY_PAUSE= 85,
+ AKEYCODE_MEDIA_STOP = 86,
+ AKEYCODE_MEDIA_NEXT = 87,
+ AKEYCODE_MEDIA_PREVIOUS = 88,
+ AKEYCODE_MEDIA_REWIND = 89,
+ AKEYCODE_MEDIA_FAST_FORWARD = 90,
+ AKEYCODE_MUTE = 91,
+ AKEYCODE_PAGE_UP = 92,
+ AKEYCODE_PAGE_DOWN = 93,
+ AKEYCODE_PICTSYMBOLS = 94,
+ AKEYCODE_SWITCH_CHARSET = 95,
+ AKEYCODE_BUTTON_A = 96,
+ AKEYCODE_BUTTON_B = 97,
+ AKEYCODE_BUTTON_C = 98,
+ AKEYCODE_BUTTON_X = 99,
+ AKEYCODE_BUTTON_Y = 100,
+ AKEYCODE_BUTTON_Z = 101,
+ AKEYCODE_BUTTON_L1 = 102,
+ AKEYCODE_BUTTON_R1 = 103,
+ AKEYCODE_BUTTON_L2 = 104,
+ AKEYCODE_BUTTON_R2 = 105,
+ AKEYCODE_BUTTON_THUMBL = 106,
+ AKEYCODE_BUTTON_THUMBR = 107,
+ AKEYCODE_BUTTON_START = 108,
+ AKEYCODE_BUTTON_SELECT = 109,
+ AKEYCODE_BUTTON_MODE = 110,
- /* NOTE: If you add a new keycode here you must also add it to:
- * native/include/android/keycodes.h
- * frameworks/base/include/ui/KeycodeLabels.h
- * frameworks/base/core/java/android/view/KeyEvent.java
- * tools/puppet_master/PuppetMaster.nav_keys.py
- * frameworks/base/core/res/res/values/attrs.xml
- */
+ // NOTE: If you add a new keycode here you must also add it to several other files.
+ // Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
};
#ifdef __cplusplus
diff --git a/services/jni/com_android_server_InputManager.cpp b/services/jni/com_android_server_InputManager.cpp
index fc901f4..26e105a 100644
--- a/services/jni/com_android_server_InputManager.cpp
+++ b/services/jni/com_android_server_InputManager.cpp
@@ -405,28 +405,28 @@
}
bool NativeInputManager::isAppSwitchKey(int32_t keyCode) {
- return keyCode == KEYCODE_HOME || keyCode == KEYCODE_ENDCALL;
+ return keyCode == AKEYCODE_HOME || keyCode == AKEYCODE_ENDCALL;
}
bool NativeInputManager::isPolicyKey(int32_t keyCode, bool isScreenOn) {
// Special keys that the WindowManagerPolicy might care about.
switch (keyCode) {
- case KEYCODE_VOLUME_UP:
- case KEYCODE_VOLUME_DOWN:
- case KEYCODE_ENDCALL:
- case KEYCODE_POWER:
- case KEYCODE_CALL:
- case KEYCODE_HOME:
- case KEYCODE_MENU:
- case KEYCODE_SEARCH:
+ case AKEYCODE_VOLUME_UP:
+ case AKEYCODE_VOLUME_DOWN:
+ case AKEYCODE_ENDCALL:
+ case AKEYCODE_POWER:
+ case AKEYCODE_CALL:
+ case AKEYCODE_HOME:
+ case AKEYCODE_MENU:
+ case AKEYCODE_SEARCH:
// media keys
- case KEYCODE_HEADSETHOOK:
- case KEYCODE_MEDIA_PLAY_PAUSE:
- case KEYCODE_MEDIA_STOP:
- case KEYCODE_MEDIA_NEXT:
- case KEYCODE_MEDIA_PREVIOUS:
- case KEYCODE_MEDIA_REWIND:
- case KEYCODE_MEDIA_FAST_FORWARD:
+ case AKEYCODE_HEADSETHOOK:
+ case AKEYCODE_MEDIA_PLAY_PAUSE:
+ case AKEYCODE_MEDIA_STOP:
+ case AKEYCODE_MEDIA_NEXT:
+ case AKEYCODE_MEDIA_PREVIOUS:
+ case AKEYCODE_MEDIA_REWIND:
+ case AKEYCODE_MEDIA_FAST_FORWARD:
return true;
default:
// We need to pass all keys to the policy in the following cases: