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gecko-dev/widget/gonk/nsAppShell.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=4 sw=4 sts=4 tw=80 et: */
/* Copyright 2012 Mozilla Foundation and Mozilla contributors
*
* 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 _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <hardware_legacy/power.h>
#include <signal.h>
#include <sys/epoll.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <utils/BitSet.h>
#include "base/basictypes.h"
#include "GonkPermission.h"
#include "libdisplay/BootAnimation.h"
#include "nscore.h"
#include "mozilla/TouchEvents.h"
#include "mozilla/FileUtils.h"
#include "mozilla/Hal.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/Mutex.h"
#include "mozilla/Services.h"
#include "mozilla/TextEvents.h"
#if ANDROID_VERSION >= 18
#include "nativewindow/FakeSurfaceComposer.h"
#endif
#include "nsAppShell.h"
#include "mozilla/DebugOnly.h"
#include "mozilla/dom/Touch.h"
#include "nsGkAtoms.h"
#include "nsIObserverService.h"
#include "nsIScreen.h"
#include "nsScreenManagerGonk.h"
#include "nsThreadUtils.h"
#include "nsWindow.h"
#include "OrientationObserver.h"
#include "GonkMemoryPressureMonitoring.h"
#include "android/log.h"
#include "libui/EventHub.h"
#include "libui/InputReader.h"
#include "libui/InputDispatcher.h"
#ifdef MOZ_NUWA_PROCESS
#include "ipc/Nuwa.h"
#endif
#include "mozilla/Preferences.h"
#include "GeckoProfiler.h"
// Defines kKeyMapping and GetKeyNameIndex()
#include "GonkKeyMapping.h"
#include "mozilla/layers/CompositorParent.h"
#include "GeckoTouchDispatcher.h"
#undef LOG
#define LOG(args...) \
__android_log_print(ANDROID_LOG_INFO, "Gonk" , ## args)
#ifdef VERBOSE_LOG_ENABLED
# define VERBOSE_LOG(args...) \
__android_log_print(ANDROID_LOG_INFO, "Gonk" , ## args)
#else
# define VERBOSE_LOG(args...) \
(void)0
#endif
using namespace android;
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::services;
using namespace mozilla::widget;
bool gDrawRequest = false;
static nsAppShell *gAppShell = nullptr;
static int epollfd = 0;
static int signalfds[2] = {0};
static bool sDevInputAudioJack;
static int32_t sHeadphoneState;
static int32_t sMicrophoneState;
// Amount of time in MS before an input is considered expired.
static const uint64_t kInputExpirationThresholdMs = 1000;
static const char kKey_WAKE_LOCK_ID[] = "GeckoKeyEvent";
NS_IMPL_ISUPPORTS_INHERITED(nsAppShell, nsBaseAppShell, nsIObserver)
static uint64_t
nanosecsToMillisecs(nsecs_t nsecs)
{
return nsecs / 1000000;
}
namespace mozilla {
bool ProcessNextEvent()
{
return gAppShell->ProcessNextNativeEvent(true);
}
void NotifyEvent()
{
gAppShell->NotifyNativeEvent();
}
} // namespace mozilla
static void
pipeHandler(int fd, FdHandler *data)
{
ssize_t len;
do {
char tmp[32];
len = read(fd, tmp, sizeof(tmp));
} while (len > 0);
}
struct Touch {
int32_t id;
PointerCoords coords;
};
struct UserInputData {
uint64_t timeMs;
enum {
MOTION_DATA,
KEY_DATA
} type;
int32_t action;
int32_t flags;
int32_t metaState;
int32_t deviceId;
union {
struct {
int32_t keyCode;
int32_t scanCode;
} key;
struct {
int32_t touchCount;
::Touch touches[MAX_POINTERS];
} motion;
};
};
static mozilla::Modifiers
getDOMModifiers(int32_t metaState)
{
mozilla::Modifiers result = 0;
if (metaState & (AMETA_ALT_ON | AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
result |= MODIFIER_ALT;
}
if (metaState & (AMETA_SHIFT_ON |
AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON)) {
result |= MODIFIER_SHIFT;
}
if (metaState & AMETA_FUNCTION_ON) {
result |= MODIFIER_FN;
}
if (metaState & (AMETA_CTRL_ON |
AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON)) {
result |= MODIFIER_CONTROL;
}
if (metaState & (AMETA_META_ON |
AMETA_META_LEFT_ON | AMETA_META_RIGHT_ON)) {
result |= MODIFIER_META;
}
if (metaState & AMETA_CAPS_LOCK_ON) {
result |= MODIFIER_CAPSLOCK;
}
if (metaState & AMETA_NUM_LOCK_ON) {
result |= MODIFIER_NUMLOCK;
}
if (metaState & AMETA_SCROLL_LOCK_ON) {
result |= MODIFIER_SCROLLLOCK;
}
return result;
}
class MOZ_STACK_CLASS KeyEventDispatcher
{
public:
KeyEventDispatcher(const UserInputData& aData,
KeyCharacterMap* aKeyCharMap);
void Dispatch();
private:
const UserInputData& mData;
sp<KeyCharacterMap> mKeyCharMap;
char16_t mChar;
char16_t mUnmodifiedChar;
uint32_t mDOMKeyCode;
uint32_t mDOMKeyLocation;
KeyNameIndex mDOMKeyNameIndex;
CodeNameIndex mDOMCodeNameIndex;
char16_t mDOMPrintableKeyValue;
bool IsKeyPress() const
{
return mData.action == AKEY_EVENT_ACTION_DOWN;
}
bool IsRepeat() const
{
return IsKeyPress() && (mData.flags & AKEY_EVENT_FLAG_LONG_PRESS);
}
char16_t PrintableKeyValue() const;
int32_t UnmodifiedMetaState() const
{
return mData.metaState &
~(AMETA_ALT_ON | AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON |
AMETA_CTRL_ON | AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON |
AMETA_META_ON | AMETA_META_LEFT_ON | AMETA_META_RIGHT_ON);
}
static bool IsControlChar(char16_t aChar)
{
return (aChar < ' ' || aChar == 0x7F);
}
void DispatchKeyDownEvent();
void DispatchKeyUpEvent();
nsEventStatus DispatchKeyEventInternal(EventMessage aEventMessage);
};
KeyEventDispatcher::KeyEventDispatcher(const UserInputData& aData,
KeyCharacterMap* aKeyCharMap)
: mData(aData)
, mKeyCharMap(aKeyCharMap)
, mChar(0)
, mUnmodifiedChar(0)
, mDOMPrintableKeyValue(0)
{
// XXX Printable key's keyCode value should be computed with actual
// input character.
mDOMKeyCode = (mData.key.keyCode < (ssize_t)ArrayLength(kKeyMapping)) ?
kKeyMapping[mData.key.keyCode] : 0;
mDOMKeyNameIndex = GetKeyNameIndex(mData.key.keyCode);
mDOMCodeNameIndex = GetCodeNameIndex(mData.key.scanCode);
mDOMKeyLocation =
WidgetKeyboardEvent::ComputeLocationFromCodeValue(mDOMCodeNameIndex);
if (!mKeyCharMap.get()) {
return;
}
mChar = mKeyCharMap->getCharacter(mData.key.keyCode, mData.metaState);
if (IsControlChar(mChar)) {
mChar = 0;
}
int32_t unmodifiedMetaState = UnmodifiedMetaState();
if (mData.metaState == unmodifiedMetaState) {
mUnmodifiedChar = mChar;
} else {
mUnmodifiedChar = mKeyCharMap->getCharacter(mData.key.keyCode,
unmodifiedMetaState);
if (IsControlChar(mUnmodifiedChar)) {
mUnmodifiedChar = 0;
}
}
mDOMPrintableKeyValue = PrintableKeyValue();
}
char16_t
KeyEventDispatcher::PrintableKeyValue() const
{
if (mDOMKeyNameIndex != KEY_NAME_INDEX_USE_STRING) {
return 0;
}
return mChar ? mChar : mUnmodifiedChar;
}
nsEventStatus
KeyEventDispatcher::DispatchKeyEventInternal(EventMessage aEventMessage)
{
WidgetKeyboardEvent event(true, aEventMessage, nullptr);
if (aEventMessage == eKeyPress) {
// XXX If the charCode is not a printable character, the charCode
// should be computed without Ctrl/Alt/Meta modifiers.
event.charCode = static_cast<uint32_t>(mChar);
}
if (!event.charCode) {
event.keyCode = mDOMKeyCode;
}
event.isChar = !!event.charCode;
event.mIsRepeat = IsRepeat();
event.mKeyNameIndex = mDOMKeyNameIndex;
if (mDOMPrintableKeyValue) {
event.mKeyValue = mDOMPrintableKeyValue;
}
event.mCodeNameIndex = mDOMCodeNameIndex;
event.modifiers = getDOMModifiers(mData.metaState);
event.location = mDOMKeyLocation;
event.time = mData.timeMs;
return nsWindow::DispatchKeyInput(event);
}
void
KeyEventDispatcher::Dispatch()
{
// XXX Even if unknown key is pressed, DOM key event should be
// dispatched since Gecko for the other platforms are implemented
// as so.
if (!mDOMKeyCode && mDOMKeyNameIndex == KEY_NAME_INDEX_Unidentified) {
VERBOSE_LOG("Got unknown key event code. "
"type 0x%04x code 0x%04x value %d",
mData.action, mData.key.keyCode, IsKeyPress());
return;
}
if (IsKeyPress()) {
DispatchKeyDownEvent();
} else {
DispatchKeyUpEvent();
}
}
void
KeyEventDispatcher::DispatchKeyDownEvent()
{
nsEventStatus status = DispatchKeyEventInternal(eKeyDown);
if (status != nsEventStatus_eConsumeNoDefault) {
DispatchKeyEventInternal(eKeyPress);
}
}
void
KeyEventDispatcher::DispatchKeyUpEvent()
{
DispatchKeyEventInternal(eKeyUp);
}
class SwitchEventRunnable : public nsRunnable {
public:
SwitchEventRunnable(hal::SwitchEvent& aEvent) : mEvent(aEvent)
{}
NS_IMETHOD Run()
{
hal::NotifySwitchStateFromInputDevice(mEvent.device(),
mEvent.status());
return NS_OK;
}
private:
hal::SwitchEvent mEvent;
};
static void
updateHeadphoneSwitch()
{
hal::SwitchEvent event;
switch (sHeadphoneState) {
case AKEY_STATE_UP:
event.status() = hal::SWITCH_STATE_OFF;
break;
case AKEY_STATE_DOWN:
event.status() = sMicrophoneState == AKEY_STATE_DOWN ?
hal::SWITCH_STATE_HEADSET : hal::SWITCH_STATE_HEADPHONE;
break;
default:
return;
}
event.device() = hal::SWITCH_HEADPHONES;
NS_DispatchToMainThread(new SwitchEventRunnable(event));
}
class GeckoPointerController : public PointerControllerInterface {
float mX;
float mY;
int32_t mButtonState;
InputReaderConfiguration* mConfig;
public:
GeckoPointerController(InputReaderConfiguration* config)
: mX(0)
, mY(0)
, mButtonState(0)
, mConfig(config)
{}
virtual bool getBounds(float* outMinX, float* outMinY,
float* outMaxX, float* outMaxY) const;
virtual void move(float deltaX, float deltaY);
virtual void setButtonState(int32_t buttonState);
virtual int32_t getButtonState() const;
virtual void setPosition(float x, float y);
virtual void getPosition(float* outX, float* outY) const;
virtual void fade(Transition transition) {}
virtual void unfade(Transition transition) {}
virtual void setPresentation(Presentation presentation) {}
virtual void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
BitSet32 spotIdBits) {}
virtual void clearSpots() {}
};
bool
GeckoPointerController::getBounds(float* outMinX,
float* outMinY,
float* outMaxX,
float* outMaxY) const
{
DisplayViewport viewport;
mConfig->getDisplayInfo(false, &viewport);
*outMinX = *outMinY = 0;
*outMaxX = viewport.logicalRight;
*outMaxY = viewport.logicalBottom;
return true;
}
void
GeckoPointerController::move(float deltaX, float deltaY)
{
float minX, minY, maxX, maxY;
getBounds(&minX, &minY, &maxX, &maxY);
mX = clamped(mX + deltaX, minX, maxX);
mY = clamped(mY + deltaY, minY, maxY);
}
void
GeckoPointerController::setButtonState(int32_t buttonState)
{
mButtonState = buttonState;
}
int32_t
GeckoPointerController::getButtonState() const
{
return mButtonState;
}
void
GeckoPointerController::setPosition(float x, float y)
{
mX = x;
mY = y;
}
void
GeckoPointerController::getPosition(float* outX, float* outY) const
{
*outX = mX;
*outY = mY;
}
class GeckoInputReaderPolicy : public InputReaderPolicyInterface {
InputReaderConfiguration mConfig;
public:
GeckoInputReaderPolicy() {}
virtual void getReaderConfiguration(InputReaderConfiguration* outConfig);
virtual sp<PointerControllerInterface> obtainPointerController(int32_t
deviceId)
{
return new GeckoPointerController(&mConfig);
};
virtual void notifyInputDevicesChanged(const android::Vector<InputDeviceInfo>& inputDevices) {};
virtual sp<KeyCharacterMap> getKeyboardLayoutOverlay(const String8& inputDeviceDescriptor)
{
return nullptr;
};
virtual String8 getDeviceAlias(const InputDeviceIdentifier& identifier)
{
return String8::empty();
};
void setDisplayInfo();
protected:
virtual ~GeckoInputReaderPolicy() {}
};
class GeckoInputDispatcher : public InputDispatcherInterface {
public:
GeckoInputDispatcher(sp<EventHub> &aEventHub)
: mQueueLock("GeckoInputDispatcher::mQueueMutex")
, mEventHub(aEventHub)
, mKeyDownCount(0)
, mKeyEventsFiltered(false)
, mPowerWakelock(false)
{
mTouchDispatcher = GeckoTouchDispatcher::GetInstance();
}
virtual void dump(String8& dump);
virtual void monitor() {}
// Called on the main thread
virtual void dispatchOnce();
// notify* methods are called on the InputReaderThread
virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args);
virtual void notifyKey(const NotifyKeyArgs* args);
virtual void notifyMotion(const NotifyMotionArgs* args);
virtual void notifySwitch(const NotifySwitchArgs* args);
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args);
virtual int32_t injectInputEvent(const InputEvent* event,
int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis,
uint32_t policyFlags);
virtual void setInputWindows(const android::Vector<sp<InputWindowHandle> >& inputWindowHandles);
virtual void setFocusedApplication(const sp<InputApplicationHandle>& inputApplicationHandle);
virtual void setInputDispatchMode(bool enabled, bool frozen);
virtual void setInputFilterEnabled(bool enabled) {}
virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel,
const sp<InputChannel>& toChannel) { return true; }
virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel,
const sp<InputWindowHandle>& inputWindowHandle, bool monitor);
virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel);
protected:
virtual ~GeckoInputDispatcher() { }
private:
// mQueueLock should generally be locked while using mEventQueue.
// UserInputData is pushed on on the InputReaderThread and
// popped and dispatched on the main thread.
mozilla::Mutex mQueueLock;
std::queue<UserInputData> mEventQueue;
sp<EventHub> mEventHub;
RefPtr<GeckoTouchDispatcher> mTouchDispatcher;
int mKeyDownCount;
bool mKeyEventsFiltered;
bool mPowerWakelock;
};
// GeckoInputReaderPolicy
void
GeckoInputReaderPolicy::setDisplayInfo()
{
static_assert(static_cast<int>(nsIScreen::ROTATION_0_DEG) ==
static_cast<int>(DISPLAY_ORIENTATION_0),
"Orientation enums not matched!");
static_assert(static_cast<int>(nsIScreen::ROTATION_90_DEG) ==
static_cast<int>(DISPLAY_ORIENTATION_90),
"Orientation enums not matched!");
static_assert(static_cast<int>(nsIScreen::ROTATION_180_DEG) ==
static_cast<int>(DISPLAY_ORIENTATION_180),
"Orientation enums not matched!");
static_assert(static_cast<int>(nsIScreen::ROTATION_270_DEG) ==
static_cast<int>(DISPLAY_ORIENTATION_270),
"Orientation enums not matched!");
RefPtr<nsScreenGonk> screen = nsScreenManagerGonk::GetPrimaryScreen();
uint32_t rotation = nsIScreen::ROTATION_0_DEG;
DebugOnly<nsresult> rv = screen->GetRotation(&rotation);
MOZ_ASSERT(NS_SUCCEEDED(rv));
LayoutDeviceIntRect screenBounds = screen->GetNaturalBounds();
DisplayViewport viewport;
viewport.displayId = 0;
viewport.orientation = rotation;
viewport.physicalRight = viewport.deviceWidth = screenBounds.width;
viewport.physicalBottom = viewport.deviceHeight = screenBounds.height;
if (viewport.orientation == DISPLAY_ORIENTATION_90 ||
viewport.orientation == DISPLAY_ORIENTATION_270) {
viewport.logicalRight = screenBounds.height;
viewport.logicalBottom = screenBounds.width;
} else {
viewport.logicalRight = screenBounds.width;
viewport.logicalBottom = screenBounds.height;
}
mConfig.setDisplayInfo(false, viewport);
}
void GeckoInputReaderPolicy::getReaderConfiguration(InputReaderConfiguration* outConfig)
{
*outConfig = mConfig;
}
// GeckoInputDispatcher
void
GeckoInputDispatcher::dump(String8& dump)
{
}
static bool
isExpired(const UserInputData& data)
{
uint64_t timeNowMs =
nanosecsToMillisecs(systemTime(SYSTEM_TIME_MONOTONIC));
return (timeNowMs - data.timeMs) > kInputExpirationThresholdMs;
}
void
GeckoInputDispatcher::dispatchOnce()
{
UserInputData data;
{
MutexAutoLock lock(mQueueLock);
if (mEventQueue.empty())
return;
data = mEventQueue.front();
mEventQueue.pop();
if (!mEventQueue.empty())
gAppShell->NotifyNativeEvent();
}
switch (data.type) {
case UserInputData::MOTION_DATA: {
MOZ_ASSERT_UNREACHABLE("Should not dispatch touch events here anymore");
break;
}
case UserInputData::KEY_DATA: {
if (!mKeyDownCount) {
// No pending events, the filter state can be updated.
mKeyEventsFiltered = isExpired(data);
}
mKeyDownCount += (data.action == AKEY_EVENT_ACTION_DOWN) ? 1 : -1;
if (mKeyEventsFiltered) {
return;
}
sp<KeyCharacterMap> kcm = mEventHub->getKeyCharacterMap(data.deviceId);
KeyEventDispatcher dispatcher(data, kcm.get());
dispatcher.Dispatch();
break;
}
}
MutexAutoLock lock(mQueueLock);
if (mPowerWakelock && mEventQueue.empty()) {
release_wake_lock(kKey_WAKE_LOCK_ID);
mPowerWakelock = false;
}
}
void
GeckoInputDispatcher::notifyConfigurationChanged(const NotifyConfigurationChangedArgs*)
{
gAppShell->CheckPowerKey();
}
void
GeckoInputDispatcher::notifyKey(const NotifyKeyArgs* args)
{
UserInputData data;
data.timeMs = nanosecsToMillisecs(args->eventTime);
data.type = UserInputData::KEY_DATA;
data.action = args->action;
data.flags = args->flags;
data.metaState = args->metaState;
data.deviceId = args->deviceId;
data.key.keyCode = args->keyCode;
data.key.scanCode = args->scanCode;
{
MutexAutoLock lock(mQueueLock);
mEventQueue.push(data);
if (!mPowerWakelock) {
mPowerWakelock =
acquire_wake_lock(PARTIAL_WAKE_LOCK, kKey_WAKE_LOCK_ID);
}
}
gAppShell->NotifyNativeEvent();
}
static void
addMultiTouch(MultiTouchInput& aMultiTouch,
const NotifyMotionArgs* args, int aIndex)
{
int32_t id = args->pointerProperties[aIndex].id;
PointerCoords coords = args->pointerCoords[aIndex];
float force = coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE);
float orientation = coords.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION);
float rotationAngle = orientation * 180 / M_PI;
if (rotationAngle == 90) {
rotationAngle = -90;
}
float radiusX, radiusY;
if (rotationAngle < 0) {
radiusX = coords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR) / 2;
radiusY = coords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR) / 2;
rotationAngle += 90;
} else {
radiusX = coords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR) / 2;
radiusY = coords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR) / 2;
}
ScreenIntPoint point(floor(coords.getX() + 0.5),
floor(coords.getY() + 0.5));
SingleTouchData touchData(id, point, ScreenSize(radiusX, radiusY),
rotationAngle, force);
aMultiTouch.mTouches.AppendElement(touchData);
}
void
GeckoInputDispatcher::notifyMotion(const NotifyMotionArgs* args)
{
uint32_t time = nanosecsToMillisecs(args->eventTime);
int32_t action = args->action & AMOTION_EVENT_ACTION_MASK;
int touchCount = args->pointerCount;
MOZ_ASSERT(touchCount <= MAX_POINTERS);
TimeStamp timestamp = mozilla::TimeStamp::FromSystemTime(args->eventTime);
Modifiers modifiers = getDOMModifiers(args->metaState);
MultiTouchInput::MultiTouchType touchType = MultiTouchInput::MULTITOUCH_CANCEL;
switch (action) {
case AMOTION_EVENT_ACTION_DOWN:
case AMOTION_EVENT_ACTION_POINTER_DOWN:
touchType = MultiTouchInput::MULTITOUCH_START;
break;
case AMOTION_EVENT_ACTION_MOVE:
touchType = MultiTouchInput::MULTITOUCH_MOVE;
break;
case AMOTION_EVENT_ACTION_UP:
case AMOTION_EVENT_ACTION_POINTER_UP:
touchType = MultiTouchInput::MULTITOUCH_END;
break;
case AMOTION_EVENT_ACTION_OUTSIDE:
case AMOTION_EVENT_ACTION_CANCEL:
touchType = MultiTouchInput::MULTITOUCH_CANCEL;
break;
case AMOTION_EVENT_ACTION_HOVER_EXIT:
case AMOTION_EVENT_ACTION_HOVER_ENTER:
case AMOTION_EVENT_ACTION_HOVER_MOVE:
NS_WARNING("Ignoring hover touch events");
return;
default:
MOZ_ASSERT_UNREACHABLE("Could not assign a touch type");
break;
}
MultiTouchInput touchData(touchType, time, timestamp, modifiers);
// For touch ends, we have to filter out which finger is actually
// the touch end since the touch array has all fingers, not just the touch
// that we want to end
if (touchType == MultiTouchInput::MULTITOUCH_END) {
int touchIndex = args->action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK;
touchIndex >>= AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
addMultiTouch(touchData, args, touchIndex);
} else {
for (int32_t i = 0; i < touchCount; ++i) {
addMultiTouch(touchData, args, i);
}
}
mTouchDispatcher->NotifyTouch(touchData, timestamp);
}
void GeckoInputDispatcher::notifySwitch(const NotifySwitchArgs* args)
{
if (!sDevInputAudioJack)
return;
bool needSwitchUpdate = false;
if (args->switchMask & (1 << SW_HEADPHONE_INSERT)) {
sHeadphoneState = (args->switchValues & (1 << SW_HEADPHONE_INSERT)) ?
AKEY_STATE_DOWN : AKEY_STATE_UP;
needSwitchUpdate = true;
}
if (args->switchMask & (1 << SW_MICROPHONE_INSERT)) {
sMicrophoneState = (args->switchValues & (1 << SW_MICROPHONE_INSERT)) ?
AKEY_STATE_DOWN : AKEY_STATE_UP;
needSwitchUpdate = true;
}
if (needSwitchUpdate)
updateHeadphoneSwitch();
}
void GeckoInputDispatcher::notifyDeviceReset(const NotifyDeviceResetArgs* args)
{
}
int32_t GeckoInputDispatcher::injectInputEvent(
const InputEvent* event,
int32_t injectorPid, int32_t injectorUid, int32_t syncMode,
int32_t timeoutMillis, uint32_t policyFlags)
{
return INPUT_EVENT_INJECTION_SUCCEEDED;
}
void
GeckoInputDispatcher::setInputWindows(const android::Vector<sp<InputWindowHandle> >& inputWindowHandles)
{
}
void
GeckoInputDispatcher::setFocusedApplication(const sp<InputApplicationHandle>& inputApplicationHandle)
{
}
void
GeckoInputDispatcher::setInputDispatchMode(bool enabled, bool frozen)
{
}
status_t
GeckoInputDispatcher::registerInputChannel(const sp<InputChannel>& inputChannel,
const sp<InputWindowHandle>& inputWindowHandle, bool monitor)
{
return OK;
}
status_t
GeckoInputDispatcher::unregisterInputChannel(const sp<InputChannel>& inputChannel)
{
return OK;
}
nsAppShell::nsAppShell()
: mNativeCallbackRequest(false)
, mEnableDraw(false)
, mHandlers()
, mPowerKeyChecked(false)
{
gAppShell = this;
if (XRE_IsParentProcess()) {
Preferences::SetCString("b2g.safe_mode", "unset");
}
}
nsAppShell::~nsAppShell()
{
// mReaderThread and mEventHub will both be null if InitInputDevices
// is not called.
if (mReaderThread.get()) {
// We separate requestExit() and join() here so we can wake the EventHub's
// input loop, and stop it from polling for input events
mReaderThread->requestExit();
mEventHub->wake();
status_t result = mReaderThread->requestExitAndWait();
if (result)
LOG("Could not stop reader thread - %d", result);
}
gAppShell = nullptr;
}
nsresult
nsAppShell::Init()
{
nsresult rv = nsBaseAppShell::Init();
NS_ENSURE_SUCCESS(rv, rv);
epollfd = epoll_create(16);
NS_ENSURE_TRUE(epollfd >= 0, NS_ERROR_UNEXPECTED);
int ret = pipe2(signalfds, O_NONBLOCK);
NS_ENSURE_FALSE(ret, NS_ERROR_UNEXPECTED);
rv = AddFdHandler(signalfds[0], pipeHandler, "");
NS_ENSURE_SUCCESS(rv, rv);
InitGonkMemoryPressureMonitoring();
if (XRE_IsParentProcess()) {
printf("*****************************************************************\n");
printf("***\n");
printf("*** This is stdout. Most of the useful output will be in logcat.\n");
printf("***\n");
printf("*****************************************************************\n");
#if ANDROID_VERSION >= 18 && (defined(MOZ_OMX_DECODER) || defined(MOZ_B2G_CAMERA))
android::FakeSurfaceComposer::instantiate();
#endif
GonkPermissionService::instantiate();
// Causes the kernel timezone to be set, which in turn causes the
// timestamps on SD cards to have the local time rather than UTC time.
hal::SetTimezone(hal::GetTimezone());
}
nsCOMPtr<nsIObserverService> obsServ = GetObserverService();
if (obsServ) {
obsServ->AddObserver(this, "browser-ui-startup-complete", false);
obsServ->AddObserver(this, "network-connection-state-changed", false);
}
#ifdef MOZ_NUWA_PROCESS
// Make sure main thread was woken up after Nuwa fork.
NuwaAddConstructor((void (*)(void *))&NotifyEvent, nullptr);
#endif
// Delay initializing input devices until the screen has been
// initialized (and we know the resolution).
return rv;
}
void
nsAppShell::CheckPowerKey()
{
if (mPowerKeyChecked) {
return;
}
uint32_t deviceId = 0;
int32_t powerState = AKEY_STATE_UNKNOWN;
// EventHub doesn't report the number of devices.
while (powerState != AKEY_STATE_DOWN && deviceId < 32) {
powerState = mEventHub->getKeyCodeState(deviceId++, AKEYCODE_POWER);
}
// If Power is pressed while we startup, mark safe mode.
// Consumers of the b2g.safe_mode preference need to listen on this
// preference change to prevent startup races.
nsCOMPtr<nsIRunnable> prefSetter =
NS_NewRunnableFunction([powerState] () -> void {
Preferences::SetCString("b2g.safe_mode",
(powerState == AKEY_STATE_DOWN) ? "yes" : "no");
});
NS_DispatchToMainThread(prefSetter.forget());
mPowerKeyChecked = true;
}
NS_IMETHODIMP
nsAppShell::Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData)
{
if (!strcmp(aTopic, "network-connection-state-changed")) {
NS_ConvertUTF16toUTF8 type(aData);
if (!type.IsEmpty()) {
hal::NotifyNetworkChange(hal::NetworkInformation(atoi(type.get()), 0, 0));
}
return NS_OK;
} else if (!strcmp(aTopic, "browser-ui-startup-complete")) {
if (sDevInputAudioJack) {
sHeadphoneState = mReader->getSwitchState(-1, AINPUT_SOURCE_SWITCH, SW_HEADPHONE_INSERT);
sMicrophoneState = mReader->getSwitchState(-1, AINPUT_SOURCE_SWITCH, SW_MICROPHONE_INSERT);
updateHeadphoneSwitch();
}
mEnableDraw = true;
// System is almost booting up. Stop the bootAnim now.
StopBootAnimation();
NotifyEvent();
return NS_OK;
}
return nsBaseAppShell::Observe(aSubject, aTopic, aData);
}
NS_IMETHODIMP
nsAppShell::Exit()
{
OrientationObserver::ShutDown();
nsCOMPtr<nsIObserverService> obsServ = GetObserverService();
if (obsServ) {
obsServ->RemoveObserver(this, "browser-ui-startup-complete");
obsServ->RemoveObserver(this, "network-connection-state-changed");
}
return nsBaseAppShell::Exit();
}
void
nsAppShell::InitInputDevices()
{
sDevInputAudioJack = hal::IsHeadphoneEventFromInputDev();
sHeadphoneState = AKEY_STATE_UNKNOWN;
sMicrophoneState = AKEY_STATE_UNKNOWN;
mEventHub = new EventHub();
mReaderPolicy = new GeckoInputReaderPolicy();
mReaderPolicy->setDisplayInfo();
mDispatcher = new GeckoInputDispatcher(mEventHub);
mReader = new InputReader(mEventHub, mReaderPolicy, mDispatcher);
mReaderThread = new InputReaderThread(mReader);
status_t result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
if (result) {
LOG("Failed to initialize InputReader thread, bad things are going to happen...");
}
}
nsresult
nsAppShell::AddFdHandler(int fd, FdHandlerCallback handlerFunc,
const char* deviceName)
{
epoll_event event = {
EPOLLIN,
{ 0 }
};
FdHandler *handler = mHandlers.AppendElement();
handler->fd = fd;
strncpy(handler->name, deviceName, sizeof(handler->name) - 1);
handler->func = handlerFunc;
event.data.u32 = mHandlers.Length() - 1;
return epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &event) ?
NS_ERROR_UNEXPECTED : NS_OK;
}
void
nsAppShell::ScheduleNativeEventCallback()
{
mNativeCallbackRequest = true;
NotifyEvent();
}
bool
nsAppShell::ProcessNextNativeEvent(bool mayWait)
{
PROFILER_LABEL("nsAppShell", "ProcessNextNativeEvent",
js::ProfileEntry::Category::EVENTS);
epoll_event events[16] = {{ 0 }};
int event_count;
{
PROFILER_LABEL("nsAppShell", "ProcessNextNativeEvent::Wait",
js::ProfileEntry::Category::EVENTS);
if ((event_count = epoll_wait(epollfd, events, 16, mayWait ? -1 : 0)) <= 0)
return true;
}
for (int i = 0; i < event_count; i++)
mHandlers[events[i].data.u32].run();
if (mDispatcher.get())
mDispatcher->dispatchOnce();
// NativeEventCallback always schedules more if it needs it
// so we can coalesce these.
// See the implementation in nsBaseAppShell.cpp for more info
if (mNativeCallbackRequest) {
mNativeCallbackRequest = false;
NativeEventCallback();
}
if (gDrawRequest && mEnableDraw) {
gDrawRequest = false;
nsWindow::DoDraw();
}
return true;
}
void
nsAppShell::NotifyNativeEvent()
{
write(signalfds[1], "w", 1);
}
/* static */ void
nsAppShell::NotifyScreenInitialized()
{
gAppShell->InitInputDevices();
// Getting the instance of OrientationObserver to initialize it.
OrientationObserver::GetInstance();
}
/* static */ void
nsAppShell::NotifyScreenRotation()
{
gAppShell->mReaderPolicy->setDisplayInfo();
gAppShell->mReader->requestRefreshConfiguration(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
RefPtr<nsScreenGonk> screen = nsScreenManagerGonk::GetPrimaryScreen();
hal::NotifyScreenConfigurationChange(screen->GetConfiguration());
}
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