зеркало из https://github.com/mozilla/gecko-dev.git
612 строки
16 KiB
C++
612 строки
16 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=4 sw=4 sts=4 tw=80 et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#define _GNU_SOURCE
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <sys/epoll.h>
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#include <sys/ioctl.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "base/basictypes.h"
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#include "nscore.h"
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#include "mozilla/FileUtils.h"
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#include "mozilla/Hal.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/Services.h"
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#include "nsAppShell.h"
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#include "nsDOMTouchEvent.h"
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#include "nsGkAtoms.h"
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#include "nsGUIEvent.h"
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#include "nsIObserverService.h"
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#include "nsIScreen.h"
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#include "nsScreenManagerGonk.h"
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#include "nsWindow.h"
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#include "OrientationObserver.h"
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#include "android/log.h"
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#include "libui/EventHub.h"
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#include "libui/InputReader.h"
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#include "libui/InputDispatcher.h"
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#define LOG(args...) \
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__android_log_print(ANDROID_LOG_INFO, "Gonk" , ## args)
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#ifdef VERBOSE_LOG_ENABLED
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# define VERBOSE_LOG(args...) \
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__android_log_print(ANDROID_LOG_INFO, "Gonk" , ## args)
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#else
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# define VERBOSE_LOG(args...) \
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(void)0
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#endif
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using namespace android;
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using namespace mozilla;
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using namespace mozilla::dom;
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bool gDrawRequest = false;
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static nsAppShell *gAppShell = NULL;
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static int epollfd = 0;
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static int signalfds[2] = {0};
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namespace mozilla {
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bool ProcessNextEvent()
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{
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return gAppShell->ProcessNextNativeEvent(true);
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}
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void NotifyEvent()
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{
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gAppShell->NotifyNativeEvent();
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}
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}
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static void
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pipeHandler(int fd, FdHandler *data)
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{
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ssize_t len;
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do {
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char tmp[32];
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len = read(fd, tmp, sizeof(tmp));
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} while (len > 0);
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}
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struct Touch {
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int32_t id;
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PointerCoords coords;
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};
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struct UserInputData {
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uint64_t timeMs;
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enum {
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MOTION_DATA,
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KEY_DATA
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} type;
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int32_t action;
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int32_t flags;
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int32_t metaState;
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union {
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struct {
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int32_t keyCode;
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int32_t scanCode;
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} key;
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struct {
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int32_t touchCount;
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Touch touches[MAX_POINTERS];
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} motion;
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};
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};
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static void
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sendMouseEvent(PRUint32 msg, uint64_t timeMs, int x, int y)
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{
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nsMouseEvent event(true, msg, NULL,
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nsMouseEvent::eReal, nsMouseEvent::eNormal);
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event.refPoint.x = x;
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event.refPoint.y = y;
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event.time = timeMs;
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event.button = nsMouseEvent::eLeftButton;
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if (msg != NS_MOUSE_MOVE)
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event.clickCount = 1;
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nsWindow::DispatchInputEvent(event);
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}
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static void
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addDOMTouch(UserInputData& data, nsTouchEvent& event, int i)
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{
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const Touch& touch = data.motion.touches[i];
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event.touches.AppendElement(
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new nsDOMTouch(touch.id,
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nsIntPoint(touch.coords.getX(), touch.coords.getY()),
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nsIntPoint(touch.coords.getAxisValue(AMOTION_EVENT_AXIS_SIZE),
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touch.coords.getAxisValue(AMOTION_EVENT_AXIS_SIZE)),
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0,
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touch.coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE))
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);
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}
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static nsEventStatus
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sendTouchEvent(UserInputData& data)
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{
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PRUint32 msg;
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int32_t action = data.action & AMOTION_EVENT_ACTION_MASK;
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switch (action) {
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case AMOTION_EVENT_ACTION_DOWN:
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case AMOTION_EVENT_ACTION_POINTER_DOWN:
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msg = NS_TOUCH_START;
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break;
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case AMOTION_EVENT_ACTION_MOVE:
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msg = NS_TOUCH_MOVE;
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break;
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case AMOTION_EVENT_ACTION_UP:
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case AMOTION_EVENT_ACTION_POINTER_UP:
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msg = NS_TOUCH_END;
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break;
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case AMOTION_EVENT_ACTION_OUTSIDE:
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case AMOTION_EVENT_ACTION_CANCEL:
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msg = NS_TOUCH_CANCEL;
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break;
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}
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nsTouchEvent event(true, msg, NULL);
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event.time = data.timeMs;
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int32_t i;
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if (msg == NS_TOUCH_END) {
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i = data.action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK;
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i >>= AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
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addDOMTouch(data, event, i);
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} else {
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for (i = 0; i < data.motion.touchCount; ++i)
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addDOMTouch(data, event, i);
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}
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return nsWindow::DispatchInputEvent(event);
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}
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static nsEventStatus
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sendKeyEventWithMsg(PRUint32 keyCode,
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PRUint32 msg,
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uint64_t timeMs,
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PRUint32 flags)
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{
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nsKeyEvent event(true, msg, NULL);
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event.keyCode = keyCode;
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event.location = nsIDOMKeyEvent::DOM_KEY_LOCATION_MOBILE;
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event.time = timeMs;
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event.flags |= flags;
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return nsWindow::DispatchInputEvent(event);
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}
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static void
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sendKeyEvent(PRUint32 keyCode, bool down, uint64_t timeMs)
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{
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nsEventStatus status =
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sendKeyEventWithMsg(keyCode, down ? NS_KEY_DOWN : NS_KEY_UP, timeMs, 0);
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if (down) {
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sendKeyEventWithMsg(keyCode, NS_KEY_PRESS, timeMs,
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status == nsEventStatus_eConsumeNoDefault ?
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NS_EVENT_FLAG_NO_DEFAULT : 0);
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}
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}
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// Defines kKeyMapping
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#include "GonkKeyMapping.h"
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static void
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maybeSendKeyEvent(int keyCode, bool pressed, uint64_t timeMs)
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{
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if (keyCode < ArrayLength(kKeyMapping) && kKeyMapping[keyCode])
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sendKeyEvent(kKeyMapping[keyCode], pressed, timeMs);
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else
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VERBOSE_LOG("Got unknown key event code. type 0x%04x code 0x%04x value %d",
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keyCode, pressed);
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}
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class GeckoInputReaderPolicy : public InputReaderPolicyInterface {
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InputReaderConfiguration mConfig;
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public:
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GeckoInputReaderPolicy() {}
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virtual void getReaderConfiguration(InputReaderConfiguration* outConfig);
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virtual sp<PointerControllerInterface> obtainPointerController(int32_t
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deviceId)
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{
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MOZ_NOT_REACHED("Input device configuration failed.");
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return NULL;
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};
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void setDisplayInfo();
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protected:
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virtual ~GeckoInputReaderPolicy() {}
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};
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class GeckoInputDispatcher : public InputDispatcherInterface {
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public:
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GeckoInputDispatcher()
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: mQueueLock("GeckoInputDispatcher::mQueueMutex")
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{}
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virtual void dump(String8& dump);
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virtual void monitor() {}
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// Called on the main thread
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virtual void dispatchOnce();
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// notify* methods are called on the InputReaderThread
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virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args);
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virtual void notifyKey(const NotifyKeyArgs* args);
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virtual void notifyMotion(const NotifyMotionArgs* args);
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virtual void notifySwitch(const NotifySwitchArgs* args);
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virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args);
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virtual int32_t injectInputEvent(const InputEvent* event,
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int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis,
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uint32_t policyFlags);
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virtual void setInputWindows(const Vector<sp<InputWindowHandle> >& inputWindowHandles);
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virtual void setFocusedApplication(const sp<InputApplicationHandle>& inputApplicationHandle);
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virtual void setInputDispatchMode(bool enabled, bool frozen);
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virtual void setInputFilterEnabled(bool enabled) {}
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virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel,
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const sp<InputChannel>& toChannel) { return true; }
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virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel,
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const sp<InputWindowHandle>& inputWindowHandle, bool monitor);
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virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel);
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protected:
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virtual ~GeckoInputDispatcher() {}
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private:
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// mQueueLock should generally be locked while using mEventQueue.
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// UserInputData is pushed on on the InputReaderThread and
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// popped and dispatched on the main thread.
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mozilla::Mutex mQueueLock;
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std::queue<UserInputData> mEventQueue;
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};
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// GeckoInputReaderPolicy
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void
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GeckoInputReaderPolicy::setDisplayInfo()
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{
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MOZ_STATIC_ASSERT(nsIScreen::ROTATION_0_DEG ==
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DISPLAY_ORIENTATION_0,
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"Orientation enums not matched!");
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MOZ_STATIC_ASSERT(nsIScreen::ROTATION_90_DEG ==
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DISPLAY_ORIENTATION_90,
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"Orientation enums not matched!");
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MOZ_STATIC_ASSERT(nsIScreen::ROTATION_180_DEG ==
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DISPLAY_ORIENTATION_180,
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"Orientation enums not matched!");
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MOZ_STATIC_ASSERT(nsIScreen::ROTATION_270_DEG ==
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DISPLAY_ORIENTATION_270,
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"Orientation enums not matched!");
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mConfig.setDisplayInfo(0, false, gScreenBounds.width, gScreenBounds.height, nsScreenGonk::GetRotation());
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}
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void GeckoInputReaderPolicy::getReaderConfiguration(InputReaderConfiguration* outConfig)
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{
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*outConfig = mConfig;
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}
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// GeckoInputDispatcher
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void
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GeckoInputDispatcher::dump(String8& dump)
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{
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}
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void
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GeckoInputDispatcher::dispatchOnce()
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{
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UserInputData data;
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{
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MutexAutoLock lock(mQueueLock);
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if (mEventQueue.empty())
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return;
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data = mEventQueue.front();
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mEventQueue.pop();
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if (!mEventQueue.empty())
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gAppShell->NotifyNativeEvent();
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}
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switch (data.type) {
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case UserInputData::MOTION_DATA: {
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nsEventStatus status = sendTouchEvent(data);
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if (status == nsEventStatus_eConsumeNoDefault)
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break;
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PRUint32 msg;
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switch (data.action & AMOTION_EVENT_ACTION_MASK) {
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case AMOTION_EVENT_ACTION_DOWN:
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msg = NS_MOUSE_BUTTON_DOWN;
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break;
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case AMOTION_EVENT_ACTION_POINTER_DOWN:
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case AMOTION_EVENT_ACTION_POINTER_UP:
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case AMOTION_EVENT_ACTION_MOVE:
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msg = NS_MOUSE_MOVE;
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break;
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case AMOTION_EVENT_ACTION_OUTSIDE:
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case AMOTION_EVENT_ACTION_CANCEL:
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case AMOTION_EVENT_ACTION_UP:
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msg = NS_MOUSE_BUTTON_UP;
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break;
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}
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sendMouseEvent(msg,
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data.timeMs,
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data.motion.touches[0].coords.getX(),
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data.motion.touches[0].coords.getY());
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break;
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}
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case UserInputData::KEY_DATA:
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maybeSendKeyEvent(data.key.keyCode,
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data.action == AKEY_EVENT_ACTION_DOWN,
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data.timeMs);
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break;
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}
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}
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void
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GeckoInputDispatcher::notifyConfigurationChanged(const NotifyConfigurationChangedArgs*)
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{
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}
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static uint64_t
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nanosecsToMillisecs(nsecs_t nsecs)
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{
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return nsecs / 1000000;
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}
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void
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GeckoInputDispatcher::notifyKey(const NotifyKeyArgs* args)
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{
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UserInputData data;
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data.timeMs = nanosecsToMillisecs(args->eventTime);
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data.type = UserInputData::KEY_DATA;
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data.action = args->action;
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data.flags = args->flags;
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data.metaState = args->metaState;
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data.key.keyCode = args->keyCode;
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data.key.scanCode = args->scanCode;
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{
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MutexAutoLock lock(mQueueLock);
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mEventQueue.push(data);
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}
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gAppShell->NotifyNativeEvent();
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}
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void
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GeckoInputDispatcher::notifyMotion(const NotifyMotionArgs* args)
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{
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UserInputData data;
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data.timeMs = nanosecsToMillisecs(args->eventTime);
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data.type = UserInputData::MOTION_DATA;
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data.action = args->action;
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data.flags = args->flags;
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data.metaState = args->metaState;
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MOZ_ASSERT(args->pointerCount <= MAX_POINTERS);
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data.motion.touchCount = args->pointerCount;
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for (uint32_t i = 0; i < args->pointerCount; ++i) {
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Touch& touch = data.motion.touches[i];
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touch.id = args->pointerProperties[i].id;
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memcpy(&touch.coords, &args->pointerCoords[i], sizeof(*args->pointerCoords));
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}
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{
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MutexAutoLock lock(mQueueLock);
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if (!mEventQueue.empty() &&
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mEventQueue.back().type == UserInputData::MOTION_DATA &&
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(mEventQueue.back().action & AMOTION_EVENT_ACTION_MASK) ==
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AMOTION_EVENT_ACTION_MOVE)
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mEventQueue.back() = data;
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else
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mEventQueue.push(data);
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}
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gAppShell->NotifyNativeEvent();
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}
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void GeckoInputDispatcher::notifySwitch(const NotifySwitchArgs* args)
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{
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}
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void GeckoInputDispatcher::notifyDeviceReset(const NotifyDeviceResetArgs* args)
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{
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}
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int32_t GeckoInputDispatcher::injectInputEvent(
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const InputEvent* event,
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int32_t injectorPid, int32_t injectorUid, int32_t syncMode,
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int32_t timeoutMillis, uint32_t policyFlags)
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{
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return INPUT_EVENT_INJECTION_SUCCEEDED;
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}
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void
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GeckoInputDispatcher::setInputWindows(const Vector<sp<InputWindowHandle> >& inputWindowHandles)
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{
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}
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void
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GeckoInputDispatcher::setFocusedApplication(const sp<InputApplicationHandle>& inputApplicationHandle)
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{
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}
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void
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GeckoInputDispatcher::setInputDispatchMode(bool enabled, bool frozen)
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{
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}
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status_t
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GeckoInputDispatcher::registerInputChannel(const sp<InputChannel>& inputChannel,
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const sp<InputWindowHandle>& inputWindowHandle, bool monitor)
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{
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return OK;
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}
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status_t
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GeckoInputDispatcher::unregisterInputChannel(const sp<InputChannel>& inputChannel)
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{
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return OK;
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}
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nsAppShell::nsAppShell()
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: mNativeCallbackRequest(false)
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, mHandlers()
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{
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gAppShell = this;
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}
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nsAppShell::~nsAppShell()
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{
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status_t result = mReaderThread->requestExitAndWait();
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if (result)
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LOG("Could not stop reader thread - %d", result);
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gAppShell = NULL;
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}
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nsresult
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nsAppShell::Init()
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{
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nsresult rv = nsBaseAppShell::Init();
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NS_ENSURE_SUCCESS(rv, rv);
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epollfd = epoll_create(16);
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NS_ENSURE_TRUE(epollfd >= 0, NS_ERROR_UNEXPECTED);
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int ret = pipe2(signalfds, O_NONBLOCK);
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NS_ENSURE_FALSE(ret, NS_ERROR_UNEXPECTED);
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rv = AddFdHandler(signalfds[0], pipeHandler, "");
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NS_ENSURE_SUCCESS(rv, rv);
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// Delay initializing input devices until the screen has been
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// initialized (and we know the resolution).
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return rv;
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}
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NS_IMETHODIMP
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nsAppShell::Exit()
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{
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OrientationObserver::GetInstance()->DisableAutoOrientation();
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return nsBaseAppShell::Exit();
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}
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void
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nsAppShell::InitInputDevices()
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{
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mEventHub = new EventHub();
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mReaderPolicy = new GeckoInputReaderPolicy();
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mReaderPolicy->setDisplayInfo();
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mDispatcher = new GeckoInputDispatcher();
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mReader = new InputReader(mEventHub, mReaderPolicy, mDispatcher);
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mReaderThread = new InputReaderThread(mReader);
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status_t result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
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if (result) {
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LOG("Failed to initialize InputReader thread, bad things are going to happen...");
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}
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}
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nsresult
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nsAppShell::AddFdHandler(int fd, FdHandlerCallback handlerFunc,
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const char* deviceName)
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{
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epoll_event event = {
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EPOLLIN,
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{ 0 }
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};
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FdHandler *handler = mHandlers.AppendElement();
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handler->fd = fd;
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strncpy(handler->name, deviceName, sizeof(handler->name) - 1);
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handler->func = handlerFunc;
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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)
|
|
{
|
|
epoll_event events[16] = {{ 0 }};
|
|
|
|
int event_count;
|
|
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) {
|
|
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);
|
|
|
|
hal::NotifyScreenConfigurationChange(nsScreenGonk::GetConfiguration());
|
|
}
|