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-rw-r--r--widget/gonk/nsAppShell.cpp1087
1 files changed, 1087 insertions, 0 deletions
diff --git a/widget/gonk/nsAppShell.cpp b/widget/gonk/nsAppShell.cpp
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+++ b/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"
+
+#include "mozilla/Preferences.h"
+#include "GeckoProfiler.h"
+
+// Defines kKeyMapping and GetKeyNameIndex()
+#include "GonkKeyMapping.h"
+#include "mozilla/layers/CompositorBridgeParent.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.mCharCode = static_cast<uint32_t>(mChar);
+ }
+ if (!event.mCharCode) {
+ event.mKeyCode = mDOMKeyCode;
+ }
+ event.mIsChar = !!event.mCharCode;
+ event.mIsRepeat = IsRepeat();
+ event.mKeyNameIndex = mDOMKeyNameIndex;
+ if (mDOMPrintableKeyValue) {
+ event.mKeyValue = mDOMPrintableKeyValue;
+ }
+ event.mCodeNameIndex = mDOMCodeNameIndex;
+ event.mModifiers = getDOMModifiers(mData.metaState);
+ event.mLocation = mDOMKeyLocation;
+ event.mTime = 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 mozilla::Runnable {
+public:
+ SwitchEventRunnable(hal::SwitchEvent& aEvent) : mEvent(aEvent)
+ {}
+
+ NS_IMETHOD Run() override
+ {
+ 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 = ScreenIntPoint::Round(coords.getX(),
+ coords.getY());
+
+ 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");
+ 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);
+ }
+
+ // 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());
+}