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gecko-dev
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gecko-dev/widget/android/nsAppShell.cpp

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/* -*- Mode: c++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 4; -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsAppShell.h"
#include "base/basictypes.h"
#include "base/message_loop.h"
#include "base/task.h"
#include "mozilla/Hal.h"
#include "nsIScreen.h"
#include "nsIScreenManager.h"
#include "nsWindow.h"
#include "nsThreadUtils.h"
#include "nsICommandLineRunner.h"
#include "nsIObserverService.h"
#include "nsIAppStartup.h"
#include "nsIGeolocationProvider.h"
#include "nsCacheService.h"
#include "nsIDOMEventListener.h"
#include "nsIDOMClientRectList.h"
#include "nsIDOMClientRect.h"
#include "nsIDOMWakeLockListener.h"
#include "nsIPowerManagerService.h"
#include "nsINetworkLinkService.h"
#include "nsISpeculativeConnect.h"
#include "nsIURIFixup.h"
#include "nsCategoryManagerUtils.h"
#include "nsCDefaultURIFixup.h"
#include "nsToolkitCompsCID.h"
#include "mozilla/Services.h"
#include "mozilla/Preferences.h"
#include "mozilla/Hal.h"
#include "prenv.h"
#include "AndroidBridge.h"
#include "AndroidBridgeUtilities.h"
#include "GeneratedJNINatives.h"
#include <android/log.h>
#include <pthread.h>
#include <wchar.h>
#include "mozilla/dom/ScreenOrientation.h"
#ifdef MOZ_GAMEPAD
#include "mozilla/dom/GamepadPlatformService.h"
#include "mozilla/dom/Gamepad.h"
#endif
#include "GeckoProfiler.h"
#ifdef MOZ_ANDROID_HISTORY
#include "nsNetUtil.h"
#include "nsIURI.h"
#include "IHistory.h"
#endif
#ifdef MOZ_LOGGING
#include "mozilla/Logging.h"
#endif
#include "ANRReporter.h"
#include "PrefsHelper.h"
#ifdef DEBUG_ANDROID_EVENTS
#define EVLOG(args...) ALOG(args)
#else
#define EVLOG(args...) do { } while (0)
#endif
using namespace mozilla;
typedef mozilla::dom::GamepadPlatformService GamepadPlatformService;
nsIGeolocationUpdate *gLocationCallback = nullptr;
nsAutoPtr<mozilla::AndroidGeckoEvent> gLastSizeChange;
nsAppShell* nsAppShell::sAppShell;
StaticAutoPtr<Mutex> nsAppShell::sAppShellLock;
NS_IMPL_ISUPPORTS_INHERITED(nsAppShell, nsBaseAppShell, nsIObserver)
class ThumbnailRunnable : public Runnable {
public:
ThumbnailRunnable(nsIAndroidBrowserApp* aBrowserApp, int aTabId,
const nsTArray<nsIntPoint>& aPoints, RefCountedJavaObject* aBuffer):
mBrowserApp(aBrowserApp), mPoints(aPoints), mTabId(aTabId), mBuffer(aBuffer) {}
virtual nsresult Run() {
const auto& buffer = jni::Object::Ref::From(mBuffer->GetObject());
nsCOMPtr<mozIDOMWindowProxy> domWindow;
nsCOMPtr<nsIBrowserTab> tab;
mBrowserApp->GetBrowserTab(mTabId, getter_AddRefs(tab));
if (!tab) {
widget::ThumbnailHelper::SendThumbnail(buffer, mTabId, false, false);
return NS_ERROR_FAILURE;
}
tab->GetWindow(getter_AddRefs(domWindow));
if (!domWindow) {
widget::ThumbnailHelper::SendThumbnail(buffer, mTabId, false, false);
return NS_ERROR_FAILURE;
}
NS_ASSERTION(mPoints.Length() == 1, "Thumbnail event does not have enough coordinates");
bool shouldStore = true;
nsresult rv = AndroidBridge::Bridge()->CaptureThumbnail(domWindow, mPoints[0].x, mPoints[0].y, mTabId, buffer, shouldStore);
widget::ThumbnailHelper::SendThumbnail(buffer, mTabId, NS_SUCCEEDED(rv), shouldStore);
return rv;
}
private:
nsCOMPtr<nsIAndroidBrowserApp> mBrowserApp;
nsTArray<nsIntPoint> mPoints;
int mTabId;
RefPtr<RefCountedJavaObject> mBuffer;
};
class WakeLockListener final : public nsIDOMMozWakeLockListener {
private:
~WakeLockListener() {}
public:
NS_DECL_ISUPPORTS;
nsresult Callback(const nsAString& topic, const nsAString& state) override {
widget::GeckoAppShell::NotifyWakeLockChanged(topic, state);
return NS_OK;
}
};
NS_IMPL_ISUPPORTS(WakeLockListener, nsIDOMMozWakeLockListener)
nsCOMPtr<nsIPowerManagerService> sPowerManagerService = nullptr;
StaticRefPtr<WakeLockListener> sWakeLockListener;
namespace {
already_AddRefed<nsIURI>
ResolveURI(const nsCString& uriStr)
{
nsCOMPtr<nsIIOService> ioServ = do_GetIOService();
nsCOMPtr<nsIURI> uri;
if (NS_SUCCEEDED(ioServ->NewURI(uriStr, nullptr,
nullptr, getter_AddRefs(uri)))) {
return uri.forget();
}
nsCOMPtr<nsIURIFixup> fixup = do_GetService(NS_URIFIXUP_CONTRACTID);
if (fixup && NS_SUCCEEDED(
fixup->CreateFixupURI(uriStr, 0, nullptr, getter_AddRefs(uri)))) {
return uri.forget();
}
return nullptr;
}
} // namespace
class GeckoThreadSupport final
: public widget::GeckoThread::Natives<GeckoThreadSupport>
, public UsesGeckoThreadProxy
{
static uint32_t sPauseCount;
public:
template<typename Functor>
static void OnNativeCall(Functor&& aCall)
{
if (aCall.IsTarget(&SpeculativeConnect) ||
aCall.IsTarget(&WaitOnGecko)) {
aCall();
return;
}
return UsesGeckoThreadProxy::OnNativeCall(aCall);
}
static void SpeculativeConnect(jni::String::Param uriStr)
{
if (!NS_IsMainThread()) {
// We will be on the main thread if the call was queued on the Java
// side during startup. Otherwise, the call was not queued, which
// means Gecko is already sufficiently loaded, and we don't really
// care about speculative connections at this point.
return;
}
nsCOMPtr<nsIIOService> ioServ = do_GetIOService();
nsCOMPtr<nsISpeculativeConnect> specConn = do_QueryInterface(ioServ);
if (!specConn) {
return;
}
nsCOMPtr<nsIURI> uri = ResolveURI(uriStr->ToCString());
if (!uri) {
return;
}
specConn->SpeculativeConnect(uri, nullptr);
}
static void WaitOnGecko()
{
struct NoOpEvent : nsAppShell::Event {
void Run() override {}
};
nsAppShell::SyncRunEvent(NoOpEvent());
}
static void OnPause()
{
MOZ_ASSERT(NS_IsMainThread());
if ((++sPauseCount) > 1) {
// Already paused.
return;
}
nsCOMPtr<nsIObserverService> obsServ =
mozilla::services::GetObserverService();
obsServ->NotifyObservers(nullptr, "application-background", nullptr);
NS_NAMED_LITERAL_STRING(minimize, "heap-minimize");
obsServ->NotifyObservers(nullptr, "memory-pressure", minimize.get());
// If we are OOM killed with the disk cache enabled, the entire
// cache will be cleared (bug 105843), so shut down the cache here
// and re-init on foregrounding
if (nsCacheService::GlobalInstance()) {
nsCacheService::GlobalInstance()->Shutdown();
}
// We really want to send a notification like profile-before-change,
// but profile-before-change ends up shutting some things down instead
// of flushing data
nsIPrefService* prefs = Preferences::GetService();
if (prefs) {
prefs->SavePrefFile(nullptr);
}
}
static void OnResume()
{
MOZ_ASSERT(NS_IsMainThread());
if (!sPauseCount || (--sPauseCount) > 0) {
// Still paused.
return;
}
// If we are OOM killed with the disk cache enabled, the entire
// cache will be cleared (bug 105843), so shut down cache on backgrounding
// and re-init here
if (nsCacheService::GlobalInstance()) {
nsCacheService::GlobalInstance()->Init();
}
// We didn't return from one of our own activities, so restore
// to foreground status
nsCOMPtr<nsIObserverService> obsServ =
mozilla::services::GetObserverService();
obsServ->NotifyObservers(nullptr, "application-foreground", nullptr);
}
static void CreateServices(jni::String::Param aCategory, jni::String::Param aData)
{
nsCString category(aCategory->ToCString());
NS_CreateServicesFromCategory(
category.get(),
nullptr, // aOrigin
category.get(),
aData ? aData->ToString().get() : nullptr);
}
};
uint32_t GeckoThreadSupport::sPauseCount;
class GeckoAppShellSupport final
: public widget::GeckoAppShell::Natives<GeckoAppShellSupport>
, public UsesGeckoThreadProxy
{
public:
template<typename Functor>
static void OnNativeCall(Functor&& aCall)
{
if (aCall.IsTarget(&SyncNotifyObservers)) {
aCall();
return;
}
return UsesGeckoThreadProxy::OnNativeCall(aCall);
}
static void SyncNotifyObservers(jni::String::Param aTopic,
jni::String::Param aData)
{
MOZ_RELEASE_ASSERT(NS_IsMainThread());
NotifyObservers(aTopic, aData);
}
static void NotifyObservers(jni::String::Param aTopic,
jni::String::Param aData)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aTopic);
nsCOMPtr<nsIObserverService> obsServ = services::GetObserverService();
if (!obsServ) {
return;
}
obsServ->NotifyObservers(nullptr, aTopic->ToCString().get(),
aData ? aData->ToString().get() : nullptr);
}
static void OnSensorChanged(int32_t aType, float aX, float aY, float aZ,
float aW, int32_t aAccuracy, int64_t aTime)
{
AutoTArray<float, 4> values;
switch (aType) {
// Bug 938035, transfer HAL data for orientation sensor to meet w3c
// spec, ex: HAL report alpha=90 means East but alpha=90 means West
// in w3c spec
case hal::SENSOR_ORIENTATION:
values.AppendElement(360.0f - aX);
values.AppendElement(-aY);
values.AppendElement(-aZ);
break;
case hal::SENSOR_LINEAR_ACCELERATION:
case hal::SENSOR_ACCELERATION:
case hal::SENSOR_GYROSCOPE:
case hal::SENSOR_PROXIMITY:
values.AppendElement(aX);
values.AppendElement(aY);
values.AppendElement(aZ);
break;
case hal::SENSOR_LIGHT:
values.AppendElement(aX);
break;
case hal::SENSOR_ROTATION_VECTOR:
case hal::SENSOR_GAME_ROTATION_VECTOR:
values.AppendElement(aX);
values.AppendElement(aY);
values.AppendElement(aZ);
values.AppendElement(aW);
break;
default:
__android_log_print(ANDROID_LOG_ERROR, "Gecko",
"Unknown sensor type %d", aType);
}
hal::SensorData sdata(hal::SensorType(aType), aTime, values,
hal::SensorAccuracyType(aAccuracy));
hal::NotifySensorChange(sdata);
}
};
nsAppShell::nsAppShell()
: mSyncRunFinished(*(sAppShellLock = new Mutex("nsAppShell")),
"nsAppShell.SyncRun")
, mSyncRunQuit(false)
{
{
MutexAutoLock lock(*sAppShellLock);
sAppShell = this;
}
if (!XRE_IsParentProcess()) {
return;
}
if (jni::IsAvailable()) {
// Initialize JNI and Set the corresponding state in GeckoThread.
AndroidBridge::ConstructBridge();
GeckoAppShellSupport::Init();
GeckoThreadSupport::Init();
mozilla::ANRReporter::Init();
mozilla::PrefsHelper::Init();
nsWindow::InitNatives();
widget::GeckoThread::SetState(widget::GeckoThread::State::JNI_READY());
}
sPowerManagerService = do_GetService(POWERMANAGERSERVICE_CONTRACTID);
if (sPowerManagerService) {
sWakeLockListener = new WakeLockListener();
} else {
NS_WARNING("Failed to retrieve PowerManagerService, wakelocks will be broken!");
}
}
nsAppShell::~nsAppShell()
{
{
MutexAutoLock lock(*sAppShellLock);
sAppShell = nullptr;
}
while (mEventQueue.Pop(/* mayWait */ false)) {
NS_WARNING("Discarded event on shutdown");
}
if (sPowerManagerService) {
sPowerManagerService->RemoveWakeLockListener(sWakeLockListener);
sPowerManagerService = nullptr;
sWakeLockListener = nullptr;
}
if (jni::IsAvailable()) {
AndroidBridge::DeconstructBridge();
}
}
void
nsAppShell::NotifyNativeEvent()
{
mEventQueue.Signal();
}
#define PREFNAME_COALESCE_TOUCHES "dom.event.touch.coalescing.enabled"
static const char* kObservedPrefs[] = {
PREFNAME_COALESCE_TOUCHES,
nullptr
};
nsresult
nsAppShell::Init()
{
nsresult rv = nsBaseAppShell::Init();
nsCOMPtr<nsIObserverService> obsServ =
mozilla::services::GetObserverService();
if (obsServ) {
obsServ->AddObserver(this, "browser-delayed-startup-finished", false);
obsServ->AddObserver(this, "profile-after-change", false);
obsServ->AddObserver(this, "chrome-document-loaded", false);
obsServ->AddObserver(this, "quit-application-granted", false);
obsServ->AddObserver(this, "xpcom-shutdown", false);
}
if (sPowerManagerService)
sPowerManagerService->AddWakeLockListener(sWakeLockListener);
Preferences::AddStrongObservers(this, kObservedPrefs);
mAllowCoalescingTouches = Preferences::GetBool(PREFNAME_COALESCE_TOUCHES, true);
return rv;
}
NS_IMETHODIMP
nsAppShell::Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData)
{
bool removeObserver = false;
if (!strcmp(aTopic, "xpcom-shutdown")) {
{
// Release any thread waiting for a sync call to finish.
mozilla::MutexAutoLock shellLock(*sAppShellLock);
mSyncRunQuit = true;
mSyncRunFinished.NotifyAll();
}
// We need to ensure no observers stick around after XPCOM shuts down
// or we'll see crashes, as the app shell outlives XPConnect.
mObserversHash.Clear();
return nsBaseAppShell::Observe(aSubject, aTopic, aData);
} else if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID) &&
aData &&
nsDependentString(aData).Equals(NS_LITERAL_STRING(PREFNAME_COALESCE_TOUCHES))) {
mAllowCoalescingTouches = Preferences::GetBool(PREFNAME_COALESCE_TOUCHES, true);
return NS_OK;
} else if (!strcmp(aTopic, "browser-delayed-startup-finished")) {
NS_CreateServicesFromCategory("browser-delayed-startup-finished", nullptr,
"browser-delayed-startup-finished");
} else if (!strcmp(aTopic, "profile-after-change")) {
if (jni::IsAvailable()) {
// See if we want to force 16-bit color before doing anything
if (Preferences::GetBool("gfx.android.rgb16.force", false)) {
widget::GeckoAppShell::SetScreenDepthOverride(16);
}
widget::GeckoThread::SetState(
widget::GeckoThread::State::PROFILE_READY());
// Gecko on Android follows the Android app model where it never
// stops until it is killed by the system or told explicitly to
// quit. Therefore, we should *not* exit Gecko when there is no
// window or the last window is closed. nsIAppStartup::Quit will
// still force Gecko to exit.
nsCOMPtr<nsIAppStartup> appStartup =
do_GetService(NS_APPSTARTUP_CONTRACTID);
if (appStartup) {
appStartup->EnterLastWindowClosingSurvivalArea();
}
}
removeObserver = true;
} else if (!strcmp(aTopic, "chrome-document-loaded")) {
if (jni::IsAvailable()) {
// Our first window has loaded, assume any JS initialization has run.
widget::GeckoThread::CheckAndSetState(
widget::GeckoThread::State::PROFILE_READY(),
widget::GeckoThread::State::RUNNING());
}
removeObserver = true;
} else if (!strcmp(aTopic, "quit-application-granted")) {
if (jni::IsAvailable()) {
widget::GeckoThread::SetState(
widget::GeckoThread::State::EXITING());
// We are told explicitly to quit, perhaps due to
// nsIAppStartup::Quit being called. We should release our hold on
// nsIAppStartup and let it continue to quit.
nsCOMPtr<nsIAppStartup> appStartup =
do_GetService(NS_APPSTARTUP_CONTRACTID);
if (appStartup) {
appStartup->ExitLastWindowClosingSurvivalArea();
}
}
removeObserver = true;
} else if (!strcmp(aTopic, "nsPref:changed")) {
if (jni::IsAvailable()) {
mozilla::PrefsHelper::OnPrefChange(aData);
}
}
if (removeObserver) {
nsCOMPtr<nsIObserverService> obsServ =
mozilla::services::GetObserverService();
if (obsServ) {
obsServ->RemoveObserver(this, aTopic);
}
}
return NS_OK;
}
bool
nsAppShell::ProcessNextNativeEvent(bool mayWait)
{
EVLOG("nsAppShell::ProcessNextNativeEvent %d", mayWait);
PROFILER_LABEL("nsAppShell", "ProcessNextNativeEvent",
js::ProfileEntry::Category::EVENTS);
mozilla::UniquePtr<Event> curEvent;
{
curEvent = mEventQueue.Pop(/* mayWait */ false);
if (!curEvent && mayWait) {
// This processes messages in the Android Looper. Note that we only
// get here if the normal Gecko event loop has been awoken
// (bug 750713). Looper messages effectively have the lowest
// priority because we only process them before we're about to
// wait for new events.
if (jni::IsAvailable() &&
AndroidBridge::Bridge()->PumpMessageLoop()) {
return true;
}
PROFILER_LABEL("nsAppShell", "ProcessNextNativeEvent::Wait",
js::ProfileEntry::Category::EVENTS);
mozilla::HangMonitor::Suspend();
curEvent = mEventQueue.Pop(/* mayWait */ true);
}
}
if (!curEvent)
return false;
mozilla::HangMonitor::NotifyActivity(curEvent->ActivityType());
curEvent->Run();
return true;
}
void
nsAppShell::SyncRunEvent(Event&& event,
UniquePtr<Event>(*eventFactory)(UniquePtr<Event>&&))
{
// Perform the call on the Gecko thread in a separate lambda, and wait
// on the monitor on the current thread.
MOZ_ASSERT(!NS_IsMainThread());
// This is the lock to check that app shell is still alive,
// and to wait on for the sync call to complete.
mozilla::MutexAutoLock shellLock(*sAppShellLock);
nsAppShell* const appShell = sAppShell;
if (MOZ_UNLIKELY(!appShell)) {
// Post-shutdown.
return;
}
bool finished = false;
auto runAndNotify = [&event, &finished] {
mozilla::MutexAutoLock shellLock(*sAppShellLock);
nsAppShell* const appShell = sAppShell;
if (MOZ_UNLIKELY(!appShell || appShell->mSyncRunQuit)) {
return;
}
event.Run();
finished = true;
appShell->mSyncRunFinished.NotifyAll();
};
UniquePtr<Event> runAndNotifyEvent = mozilla::MakeUnique<
LambdaEvent<decltype(runAndNotify)>>(mozilla::Move(runAndNotify));
if (eventFactory) {
runAndNotifyEvent = (*eventFactory)(mozilla::Move(runAndNotifyEvent));
}
appShell->mEventQueue.Post(mozilla::Move(runAndNotifyEvent));
while (!finished && MOZ_LIKELY(sAppShell && !sAppShell->mSyncRunQuit)) {
appShell->mSyncRunFinished.Wait();
}
}
class nsAppShell::LegacyGeckoEvent : public Event
{
mozilla::UniquePtr<AndroidGeckoEvent> ae;
public:
LegacyGeckoEvent(AndroidGeckoEvent* e) : ae(e) {}
void Run() override;
void PostTo(mozilla::LinkedList<Event>& queue) override;
Event::Type ActivityType() const override
{
return ae->IsInputEvent() ? mozilla::HangMonitor::kUIActivity
: mozilla::HangMonitor::kGeneralActivity;
}
};
void
nsAppShell::PostEvent(AndroidGeckoEvent* event)
{
mozilla::MutexAutoLock lock(*sAppShellLock);
if (!sAppShell) {
return;
}
sAppShell->mEventQueue.Post(mozilla::MakeUnique<LegacyGeckoEvent>(event));
}
void
nsAppShell::LegacyGeckoEvent::Run()
{
const mozilla::UniquePtr<AndroidGeckoEvent>& curEvent = ae;
EVLOG("nsAppShell: event %p %d", (void*)curEvent.get(), curEvent->Type());
switch (curEvent->Type()) {
case AndroidGeckoEvent::NATIVE_POKE:
nsAppShell::Get()->NativeEventCallback();
break;
case AndroidGeckoEvent::LOCATION_EVENT: {
if (!gLocationCallback)
break;
nsGeoPosition* p = curEvent->GeoPosition();
if (p)
gLocationCallback->Update(curEvent->GeoPosition());
else
NS_WARNING("Received location event without geoposition!");
break;
}
case AndroidGeckoEvent::THUMBNAIL: {
if (!nsAppShell::Get()->mBrowserApp)
break;
int32_t tabId = curEvent->MetaState();
const nsTArray<nsIntPoint>& points = curEvent->Points();
RefCountedJavaObject* buffer = curEvent->ByteBuffer();
RefPtr<ThumbnailRunnable> sr = new ThumbnailRunnable(nsAppShell::Get()->mBrowserApp, tabId, points, buffer);
MessageLoop::current()->PostIdleTask(NewRunnableMethod(sr.get(), &ThumbnailRunnable::Run));
break;
}
case AndroidGeckoEvent::ZOOMEDVIEW: {
if (!nsAppShell::Get()->mBrowserApp)
break;
int32_t tabId = curEvent->MetaState();
const nsTArray<nsIntPoint>& points = curEvent->Points();
float scaleFactor = (float) curEvent->X();
RefPtr<RefCountedJavaObject> javaBuffer = curEvent->ByteBuffer();
const auto& mBuffer = jni::Object::Ref::From(javaBuffer->GetObject());
nsCOMPtr<mozIDOMWindowProxy> domWindow;
nsCOMPtr<nsIBrowserTab> tab;
nsAppShell::Get()->mBrowserApp->GetBrowserTab(tabId, getter_AddRefs(tab));
if (!tab) {
NS_ERROR("Can't find tab!");
break;
}
tab->GetWindow(getter_AddRefs(domWindow));
if (!domWindow) {
NS_ERROR("Can't find dom window!");
break;
}
NS_ASSERTION(points.Length() == 2, "ZoomedView event does not have enough coordinates");
nsIntRect r(points[0].x, points[0].y, points[1].x, points[1].y);
AndroidBridge::Bridge()->CaptureZoomedView(domWindow, r, mBuffer, scaleFactor);
break;
}
case AndroidGeckoEvent::VIEWPORT: {
if (curEvent->Characters().Length() == 0)
break;
nsCOMPtr<nsIObserverService> obsServ =
mozilla::services::GetObserverService();
const NS_ConvertUTF16toUTF8 topic(curEvent->Characters());
obsServ->NotifyObservers(nullptr, topic.get(), curEvent->CharactersExtra().get());
break;
}
case AndroidGeckoEvent::TELEMETRY_UI_SESSION_STOP: {
if (!nsAppShell::Get()->mBrowserApp)
break;
if (curEvent->Characters().Length() == 0)
break;
nsCOMPtr<nsIUITelemetryObserver> obs;
nsAppShell::Get()->mBrowserApp->GetUITelemetryObserver(getter_AddRefs(obs));
if (!obs)
break;
obs->StopSession(
curEvent->Characters().get(),
curEvent->CharactersExtra().get(),
curEvent->Time()
);
break;
}
case AndroidGeckoEvent::TELEMETRY_UI_SESSION_START: {
if (!nsAppShell::Get()->mBrowserApp)
break;
if (curEvent->Characters().Length() == 0)
break;
nsCOMPtr<nsIUITelemetryObserver> obs;
nsAppShell::Get()->mBrowserApp->GetUITelemetryObserver(getter_AddRefs(obs));
if (!obs)
break;
obs->StartSession(
curEvent->Characters().get(),
curEvent->Time()
);
break;
}
case AndroidGeckoEvent::TELEMETRY_UI_EVENT: {
if (!nsAppShell::Get()->mBrowserApp)
break;
if (curEvent->Data().Length() == 0)
break;
nsCOMPtr<nsIUITelemetryObserver> obs;
nsAppShell::Get()->mBrowserApp->GetUITelemetryObserver(getter_AddRefs(obs));
if (!obs)
break;
obs->AddEvent(
curEvent->Data().get(),
curEvent->Characters().get(),
curEvent->Time(),
curEvent->CharactersExtra().get()
);
break;
}
case AndroidGeckoEvent::LOAD_URI: {
nsCOMPtr<nsICommandLineRunner> cmdline
(do_CreateInstance("@mozilla.org/toolkit/command-line;1"));
if (!cmdline)
break;
if (curEvent->Characters().Length() == 0)
break;
char *uri = ToNewUTF8String(curEvent->Characters());
if (!uri)
break;
char *flag = ToNewUTF8String(curEvent->CharactersExtra());
const char *argv[4] = {
"dummyappname",
"-url",
uri,
flag ? flag : ""
};
nsresult rv = cmdline->Init(4, argv, nullptr, nsICommandLine::STATE_REMOTE_AUTO);
if (NS_SUCCEEDED(rv))
cmdline->Run();
free(uri);
if (flag)
free(flag);
break;
}
case AndroidGeckoEvent::VISITED: {
#ifdef MOZ_ANDROID_HISTORY
nsCOMPtr<IHistory> history = services::GetHistoryService();
nsCOMPtr<nsIURI> visitedURI;
if (history &&
NS_SUCCEEDED(NS_NewURI(getter_AddRefs(visitedURI),
curEvent->Characters()))) {
history->NotifyVisited(visitedURI);
}
#endif
break;
}
case AndroidGeckoEvent::NETWORK_CHANGED: {
hal::NotifyNetworkChange(hal::NetworkInformation(curEvent->ConnectionType(),
curEvent->IsWifi(),
curEvent->DHCPGateway()));
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
os->NotifyObservers(nullptr,
NS_NETWORK_LINK_TYPE_TOPIC,
nsString(curEvent->Characters()).get());
}
break;
}
case AndroidGeckoEvent::SCREENORIENTATION_CHANGED: {
nsresult rv;
nsCOMPtr<nsIScreenManager> screenMgr =
do_GetService("@mozilla.org/gfx/screenmanager;1", &rv);
if (NS_FAILED(rv)) {
NS_ERROR("Can't find nsIScreenManager!");
break;
}
nsIntRect rect;
int32_t colorDepth, pixelDepth;
int16_t angle;
dom::ScreenOrientationInternal orientation;
nsCOMPtr<nsIScreen> screen;
screenMgr->GetPrimaryScreen(getter_AddRefs(screen));
screen->GetRect(&rect.x, &rect.y, &rect.width, &rect.height);
screen->GetColorDepth(&colorDepth);
screen->GetPixelDepth(&pixelDepth);
orientation =
static_cast<dom::ScreenOrientationInternal>(curEvent->ScreenOrientation());
angle = curEvent->ScreenAngle();
hal::NotifyScreenConfigurationChange(
hal::ScreenConfiguration(rect, orientation, angle, colorDepth, pixelDepth));
break;
}
case AndroidGeckoEvent::CALL_OBSERVER:
{
nsCOMPtr<nsIObserver> observer;
nsAppShell::Get()->mObserversHash.Get(curEvent->Characters(), getter_AddRefs(observer));
if (observer) {
observer->Observe(nullptr, NS_ConvertUTF16toUTF8(curEvent->CharactersExtra()).get(),
curEvent->Data().get());
} else {
ALOG("Call_Observer event: Observer was not found!");
}
break;
}
case AndroidGeckoEvent::REMOVE_OBSERVER:
nsAppShell::Get()->mObserversHash.Remove(curEvent->Characters());
break;
case AndroidGeckoEvent::ADD_OBSERVER:
nsAppShell::Get()->AddObserver(curEvent->Characters(), curEvent->Observer());
break;
case AndroidGeckoEvent::LOW_MEMORY:
// TODO hook in memory-reduction stuff for different levels here
if (curEvent->MetaState() >= AndroidGeckoEvent::MEMORY_PRESSURE_MEDIUM) {
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
os->NotifyObservers(nullptr,
"memory-pressure",
MOZ_UTF16("low-memory"));
}
}
break;
case AndroidGeckoEvent::NETWORK_LINK_CHANGE:
{
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
os->NotifyObservers(nullptr,
NS_NETWORK_LINK_TOPIC,
curEvent->Characters().get());
}
break;
}
case AndroidGeckoEvent::TELEMETRY_HISTOGRAM_ADD:
// If the extras field is not empty then this is a keyed histogram.
if (!curEvent->CharactersExtra().IsVoid()) {
Telemetry::Accumulate(NS_ConvertUTF16toUTF8(curEvent->Characters()).get(),
NS_ConvertUTF16toUTF8(curEvent->CharactersExtra()),
curEvent->Count());
} else {
Telemetry::Accumulate(NS_ConvertUTF16toUTF8(curEvent->Characters()).get(),
curEvent->Count());
}
break;
case AndroidGeckoEvent::GAMEPAD_ADDREMOVE: {
#ifdef MOZ_GAMEPAD
RefPtr<GamepadPlatformService> service;
service = GamepadPlatformService::GetParentService();
if (!service) {
break;
}
if (curEvent->Action() == AndroidGeckoEvent::ACTION_GAMEPAD_ADDED) {
int svc_id = service->AddGamepad("android",
dom::GamepadMappingType::Standard,
dom::kStandardGamepadButtons,
dom::kStandardGamepadAxes);
widget::GeckoAppShell::GamepadAdded(curEvent->ID(),
svc_id);
} else if (curEvent->Action() == AndroidGeckoEvent::ACTION_GAMEPAD_REMOVED) {
service->RemoveGamepad(curEvent->ID());
}
#endif
break;
}
case AndroidGeckoEvent::GAMEPAD_DATA: {
#ifdef MOZ_GAMEPAD
int id = curEvent->ID();
RefPtr<GamepadPlatformService> service;
service = GamepadPlatformService::GetParentService();
if (!service) {
break;
}
if (curEvent->Action() == AndroidGeckoEvent::ACTION_GAMEPAD_BUTTON) {
service->NewButtonEvent(id, curEvent->GamepadButton(),
curEvent->GamepadButtonPressed(),
curEvent->GamepadButtonValue());
} else if (curEvent->Action() == AndroidGeckoEvent::ACTION_GAMEPAD_AXES) {
int valid = curEvent->Flags();
const nsTArray<float>& values = curEvent->GamepadValues();
for (unsigned i = 0; i < values.Length(); i++) {
if (valid & (1<<i)) {
service->NewAxisMoveEvent(id, i, values[i]);
}
}
}
#endif
break;
}
case AndroidGeckoEvent::NOOP:
break;
default:
nsWindow::OnGlobalAndroidEvent(curEvent.get());
break;
}
EVLOG("nsAppShell: -- done event %p %d", (void*)curEvent.get(), curEvent->Type());
}
void
nsAppShell::LegacyGeckoEvent::PostTo(mozilla::LinkedList<Event>& queue)
{
{
EVLOG("nsAppShell::PostEvent %p %d", ae, ae->Type());
switch (ae->Type()) {
case AndroidGeckoEvent::VIEWPORT:
// Coalesce a previous viewport event with this one, while
// allowing coalescing to happen across native callback events.
for (Event* event = queue.getLast(); event;
event = event->getPrevious())
{
if (event->HasSameTypeAs(this) &&
static_cast<LegacyGeckoEvent*>(event)->ae->Type()
== AndroidGeckoEvent::VIEWPORT) {
// Found a previous viewport event; remove it.
delete event;
break;
}
NativeCallbackEvent callbackEvent(nullptr);
if (event->HasSameTypeAs(&callbackEvent)) {
// Allow coalescing viewport events across callback events.
continue;
}
// End of search for viewport events to coalesce.
break;
}
queue.insertBack(this);
break;
case AndroidGeckoEvent::MOTION_EVENT:
case AndroidGeckoEvent::APZ_INPUT_EVENT:
if (sAppShell->mAllowCoalescingTouches) {
Event* const event = queue.getLast();
if (event && event->HasSameTypeAs(this) && ae->CanCoalesceWith(
static_cast<LegacyGeckoEvent*>(event)->ae.get())) {
// consecutive motion-move events; drop the last one before adding the new one
EVLOG("nsAppShell: Dropping old move event at %p in favour of new move event %p", event, ae);
// Delete the event and remove from list.
delete event;
}
}
queue.insertBack(this);
break;
default:
queue.insertBack(this);
break;
}
}
}
nsresult
nsAppShell::AddObserver(const nsAString &aObserverKey, nsIObserver *aObserver)
{
NS_ASSERTION(aObserver != nullptr, "nsAppShell::AddObserver: aObserver is null!");
mObserversHash.Put(aObserverKey, aObserver);
return NS_OK;
}
// Used by IPC code
namespace mozilla {
bool ProcessNextEvent()
{
nsAppShell* const appShell = nsAppShell::Get();
if (!appShell) {
return false;
}
return appShell->ProcessNextNativeEvent(true) ? true : false;
}
void NotifyEvent()
{
nsAppShell* const appShell = nsAppShell::Get();
if (!appShell) {
return;
}
appShell->NotifyNativeEvent();
}
}
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