forked from mirrors/gecko-dev
805 lines
26 KiB
C++
805 lines
26 KiB
C++
/* -*- Mode: c++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 4; -*- */
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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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#include "nsAppShell.h"
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#include "base/basictypes.h"
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#include "base/message_loop.h"
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#include "base/task.h"
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#include "mozilla/Hal.h"
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#include "nsIScreen.h"
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#include "nsIScreenManager.h"
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#include "nsWindow.h"
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#include "nsThreadUtils.h"
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#include "nsICommandLineRunner.h"
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#include "nsIObserverService.h"
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#include "nsIAppStartup.h"
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#include "nsIGeolocationProvider.h"
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#include "nsCacheService.h"
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#include "nsIDOMEventListener.h"
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#include "nsIDOMClientRectList.h"
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#include "nsIDOMClientRect.h"
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#include "nsIDOMWakeLockListener.h"
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#include "nsIPowerManagerService.h"
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#include "nsINetworkLinkService.h"
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#include "nsCategoryManagerUtils.h"
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#include "mozilla/BackgroundHangMonitor.h"
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#include "mozilla/Services.h"
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#include "mozilla/unused.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/Hal.h"
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#include "prenv.h"
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#include "AndroidBridge.h"
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#include "AndroidBridgeUtilities.h"
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#include <android/log.h>
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#include <pthread.h>
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#include <wchar.h>
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#include "mozilla/dom/ScreenOrientation.h"
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#ifdef MOZ_GAMEPAD
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#include "mozilla/dom/GamepadService.h"
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#endif
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#include "GeckoProfiler.h"
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#ifdef MOZ_ANDROID_HISTORY
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#include "nsNetUtil.h"
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#include "IHistory.h"
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#endif
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#ifdef MOZ_LOGGING
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#define FORCE_PR_LOG
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#include "prlog.h"
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#endif
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#ifdef DEBUG_ANDROID_EVENTS
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#define EVLOG(args...) ALOG(args)
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#else
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#define EVLOG(args...) do { } while (0)
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#endif
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using namespace mozilla;
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#ifdef PR_LOGGING
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PRLogModuleInfo *gWidgetLog = nullptr;
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#endif
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nsIGeolocationUpdate *gLocationCallback = nullptr;
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nsAutoPtr<mozilla::AndroidGeckoEvent> gLastSizeChange;
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nsAppShell *nsAppShell::gAppShell = nullptr;
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NS_IMPL_ISUPPORTS_INHERITED(nsAppShell, nsBaseAppShell, nsIObserver)
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class ThumbnailRunnable : public nsRunnable {
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public:
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ThumbnailRunnable(nsIAndroidBrowserApp* aBrowserApp, int aTabId,
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const nsTArray<nsIntPoint>& aPoints, RefCountedJavaObject* aBuffer):
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mBrowserApp(aBrowserApp), mPoints(aPoints), mTabId(aTabId), mBuffer(aBuffer) {}
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virtual nsresult Run() {
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jobject buffer = mBuffer->GetObject();
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nsCOMPtr<nsIDOMWindow> domWindow;
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nsCOMPtr<nsIBrowserTab> tab;
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mBrowserApp->GetBrowserTab(mTabId, getter_AddRefs(tab));
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if (!tab) {
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mozilla::widget::android::ThumbnailHelper::SendThumbnail(buffer, mTabId, false, false);
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return NS_ERROR_FAILURE;
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}
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tab->GetWindow(getter_AddRefs(domWindow));
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if (!domWindow) {
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mozilla::widget::android::ThumbnailHelper::SendThumbnail(buffer, mTabId, false, false);
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return NS_ERROR_FAILURE;
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}
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NS_ASSERTION(mPoints.Length() == 1, "Thumbnail event does not have enough coordinates");
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bool shouldStore = true;
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nsresult rv = AndroidBridge::Bridge()->CaptureThumbnail(domWindow, mPoints[0].x, mPoints[0].y, mTabId, buffer, shouldStore);
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mozilla::widget::android::ThumbnailHelper::SendThumbnail(buffer, mTabId, NS_SUCCEEDED(rv), shouldStore);
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return rv;
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}
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private:
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nsCOMPtr<nsIAndroidBrowserApp> mBrowserApp;
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nsTArray<nsIntPoint> mPoints;
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int mTabId;
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nsRefPtr<RefCountedJavaObject> mBuffer;
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};
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class WakeLockListener MOZ_FINAL : public nsIDOMMozWakeLockListener {
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private:
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~WakeLockListener() {}
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public:
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NS_DECL_ISUPPORTS;
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nsresult Callback(const nsAString& topic, const nsAString& state) {
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mozilla::widget::android::GeckoAppShell::NotifyWakeLockChanged(topic, state);
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return NS_OK;
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}
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};
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NS_IMPL_ISUPPORTS(WakeLockListener, nsIDOMMozWakeLockListener)
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nsCOMPtr<nsIPowerManagerService> sPowerManagerService = nullptr;
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StaticRefPtr<WakeLockListener> sWakeLockListener;
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nsAppShell::nsAppShell()
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: mQueueLock("nsAppShell.mQueueLock"),
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mCondLock("nsAppShell.mCondLock"),
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mQueueCond(mCondLock, "nsAppShell.mQueueCond"),
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mQueuedViewportEvent(nullptr)
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{
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gAppShell = this;
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if (XRE_GetProcessType() != GeckoProcessType_Default) {
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return;
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}
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sPowerManagerService = do_GetService(POWERMANAGERSERVICE_CONTRACTID);
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if (sPowerManagerService) {
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sWakeLockListener = new WakeLockListener();
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} else {
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NS_WARNING("Failed to retrieve PowerManagerService, wakelocks will be broken!");
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}
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}
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nsAppShell::~nsAppShell()
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{
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gAppShell = nullptr;
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if (sPowerManagerService) {
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sPowerManagerService->RemoveWakeLockListener(sWakeLockListener);
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sPowerManagerService = nullptr;
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sWakeLockListener = nullptr;
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}
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}
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void
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nsAppShell::NotifyNativeEvent()
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{
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MutexAutoLock lock(mCondLock);
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mQueueCond.Notify();
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}
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#define PREFNAME_COALESCE_TOUCHES "dom.event.touch.coalescing.enabled"
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static const char* kObservedPrefs[] = {
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PREFNAME_COALESCE_TOUCHES,
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nullptr
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};
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nsresult
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nsAppShell::Init()
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{
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#ifdef PR_LOGGING
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if (!gWidgetLog)
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gWidgetLog = PR_NewLogModule("Widget");
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#endif
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nsresult rv = nsBaseAppShell::Init();
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nsCOMPtr<nsIObserverService> obsServ =
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mozilla::services::GetObserverService();
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if (obsServ) {
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obsServ->AddObserver(this, "xpcom-shutdown", false);
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obsServ->AddObserver(this, "browser-delayed-startup-finished", false);
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}
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if (sPowerManagerService)
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sPowerManagerService->AddWakeLockListener(sWakeLockListener);
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Preferences::AddStrongObservers(this, kObservedPrefs);
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mAllowCoalescingTouches = Preferences::GetBool(PREFNAME_COALESCE_TOUCHES, true);
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return rv;
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}
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NS_IMETHODIMP
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nsAppShell::Observe(nsISupports* aSubject,
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const char* aTopic,
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const char16_t* aData)
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{
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if (!strcmp(aTopic, "xpcom-shutdown")) {
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// We need to ensure no observers stick around after XPCOM shuts down
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// or we'll see crashes, as the app shell outlives XPConnect.
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mObserversHash.Clear();
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return nsBaseAppShell::Observe(aSubject, aTopic, aData);
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} else if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID) &&
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aData &&
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nsDependentString(aData).Equals(NS_LITERAL_STRING(PREFNAME_COALESCE_TOUCHES))) {
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mAllowCoalescingTouches = Preferences::GetBool(PREFNAME_COALESCE_TOUCHES, true);
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return NS_OK;
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} else if (!strcmp(aTopic, "browser-delayed-startup-finished")) {
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NS_CreateServicesFromCategory("browser-delayed-startup-finished", nullptr,
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"browser-delayed-startup-finished");
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}
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return NS_OK;
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}
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void
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nsAppShell::ScheduleNativeEventCallback()
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{
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EVLOG("nsAppShell::ScheduleNativeEventCallback pth: %p thread: %p main: %d", (void*) pthread_self(), (void*) NS_GetCurrentThread(), NS_IsMainThread());
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// this is valid to be called from any thread, so do so.
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PostEvent(AndroidGeckoEvent::MakeNativePoke());
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}
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bool
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nsAppShell::ProcessNextNativeEvent(bool mayWait)
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{
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EVLOG("nsAppShell::ProcessNextNativeEvent %d", mayWait);
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PROFILER_LABEL("nsAppShell", "ProcessNextNativeEvent",
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js::ProfileEntry::Category::EVENTS);
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nsAutoPtr<AndroidGeckoEvent> curEvent;
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{
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MutexAutoLock lock(mCondLock);
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curEvent = PopNextEvent();
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if (!curEvent && mayWait) {
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PROFILER_LABEL("nsAppShell", "ProcessNextNativeEvent::Wait",
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js::ProfileEntry::Category::EVENTS);
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// hmm, should we really hardcode this 10s?
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#if defined(DEBUG_ANDROID_EVENTS)
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PRTime t0, t1;
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EVLOG("nsAppShell: waiting on mQueueCond");
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t0 = PR_Now();
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mQueueCond.Wait(PR_MillisecondsToInterval(10000));
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t1 = PR_Now();
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EVLOG("nsAppShell: wait done, waited %d ms", (int)(t1-t0)/1000);
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#else
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mQueueCond.Wait();
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#endif
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curEvent = PopNextEvent();
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}
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}
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if (!curEvent)
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return false;
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mozilla::BackgroundHangMonitor().NotifyActivity();
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EVLOG("nsAppShell: event %p %d", (void*)curEvent.get(), curEvent->Type());
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switch (curEvent->Type()) {
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case AndroidGeckoEvent::NATIVE_POKE:
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NativeEventCallback();
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break;
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case AndroidGeckoEvent::SENSOR_EVENT: {
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InfallibleTArray<float> values;
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mozilla::hal::SensorType type = (mozilla::hal::SensorType) curEvent->Flags();
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switch (type) {
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// Bug 938035, transfer HAL data for orientation sensor to meet w3c
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// spec, ex: HAL report alpha=90 means East but alpha=90 means West
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// in w3c spec
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case hal::SENSOR_ORIENTATION:
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values.AppendElement(360 -curEvent->X());
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values.AppendElement(-curEvent->Y());
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values.AppendElement(-curEvent->Z());
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break;
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case hal::SENSOR_LINEAR_ACCELERATION:
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case hal::SENSOR_ACCELERATION:
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case hal::SENSOR_GYROSCOPE:
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case hal::SENSOR_PROXIMITY:
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values.AppendElement(curEvent->X());
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values.AppendElement(curEvent->Y());
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values.AppendElement(curEvent->Z());
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break;
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case hal::SENSOR_LIGHT:
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values.AppendElement(curEvent->X());
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break;
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default:
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__android_log_print(ANDROID_LOG_ERROR,
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"Gecko", "### SENSOR_EVENT fired, but type wasn't known %d",
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type);
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}
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const hal::SensorAccuracyType &accuracy = (hal::SensorAccuracyType) curEvent->MetaState();
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hal::SensorData sdata(type, PR_Now(), values, accuracy);
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hal::NotifySensorChange(sdata);
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}
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break;
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case AndroidGeckoEvent::LOCATION_EVENT: {
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if (!gLocationCallback)
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break;
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nsGeoPosition* p = curEvent->GeoPosition();
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if (p)
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gLocationCallback->Update(curEvent->GeoPosition());
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else
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NS_WARNING("Received location event without geoposition!");
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break;
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}
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case AndroidGeckoEvent::APP_BACKGROUNDING: {
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nsCOMPtr<nsIObserverService> obsServ =
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mozilla::services::GetObserverService();
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obsServ->NotifyObservers(nullptr, "application-background", nullptr);
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NS_NAMED_LITERAL_STRING(minimize, "heap-minimize");
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obsServ->NotifyObservers(nullptr, "memory-pressure", minimize.get());
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// If we are OOM killed with the disk cache enabled, the entire
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// cache will be cleared (bug 105843), so shut down the cache here
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// and re-init on foregrounding
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if (nsCacheService::GlobalInstance()) {
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nsCacheService::GlobalInstance()->Shutdown();
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}
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// We really want to send a notification like profile-before-change,
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// but profile-before-change ends up shutting some things down instead
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// of flushing data
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nsIPrefService* prefs = Preferences::GetService();
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if (prefs) {
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// reset the crash loop state
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nsCOMPtr<nsIPrefBranch> prefBranch;
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prefs->GetBranch("browser.sessionstore.", getter_AddRefs(prefBranch));
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if (prefBranch)
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prefBranch->SetIntPref("recent_crashes", 0);
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prefs->SavePrefFile(nullptr);
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}
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break;
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}
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case AndroidGeckoEvent::APP_FOREGROUNDING: {
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// If we are OOM killed with the disk cache enabled, the entire
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// cache will be cleared (bug 105843), so shut down cache on backgrounding
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// and re-init here
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if (nsCacheService::GlobalInstance()) {
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nsCacheService::GlobalInstance()->Init();
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}
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// We didn't return from one of our own activities, so restore
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// to foreground status
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nsCOMPtr<nsIObserverService> obsServ =
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mozilla::services::GetObserverService();
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obsServ->NotifyObservers(nullptr, "application-foreground", nullptr);
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break;
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}
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case AndroidGeckoEvent::THUMBNAIL: {
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if (!mBrowserApp)
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break;
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int32_t tabId = curEvent->MetaState();
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const nsTArray<nsIntPoint>& points = curEvent->Points();
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RefCountedJavaObject* buffer = curEvent->ByteBuffer();
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nsRefPtr<ThumbnailRunnable> sr = new ThumbnailRunnable(mBrowserApp, tabId, points, buffer);
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MessageLoop::current()->PostIdleTask(FROM_HERE, NewRunnableMethod(sr.get(), &ThumbnailRunnable::Run));
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break;
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}
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case AndroidGeckoEvent::VIEWPORT:
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case AndroidGeckoEvent::BROADCAST: {
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if (curEvent->Characters().Length() == 0)
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break;
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nsCOMPtr<nsIObserverService> obsServ =
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mozilla::services::GetObserverService();
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const NS_ConvertUTF16toUTF8 topic(curEvent->Characters());
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const nsPromiseFlatString& data = PromiseFlatString(curEvent->CharactersExtra());
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obsServ->NotifyObservers(nullptr, topic.get(), data.get());
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break;
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}
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case AndroidGeckoEvent::TELEMETRY_UI_SESSION_STOP: {
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if (curEvent->Characters().Length() == 0)
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break;
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nsCOMPtr<nsIUITelemetryObserver> obs;
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mBrowserApp->GetUITelemetryObserver(getter_AddRefs(obs));
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if (!obs)
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break;
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obs->StopSession(
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nsString(curEvent->Characters()).get(),
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nsString(curEvent->CharactersExtra()).get(),
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curEvent->Time()
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);
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break;
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}
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case AndroidGeckoEvent::TELEMETRY_UI_SESSION_START: {
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if (curEvent->Characters().Length() == 0)
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break;
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nsCOMPtr<nsIUITelemetryObserver> obs;
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mBrowserApp->GetUITelemetryObserver(getter_AddRefs(obs));
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if (!obs)
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break;
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obs->StartSession(
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nsString(curEvent->Characters()).get(),
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curEvent->Time()
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);
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break;
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}
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case AndroidGeckoEvent::TELEMETRY_UI_EVENT: {
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if (curEvent->Data().Length() == 0)
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break;
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nsCOMPtr<nsIUITelemetryObserver> obs;
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mBrowserApp->GetUITelemetryObserver(getter_AddRefs(obs));
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if (!obs)
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break;
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obs->AddEvent(
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nsString(curEvent->Data()).get(),
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nsString(curEvent->Characters()).get(),
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curEvent->Time(),
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nsString(curEvent->CharactersExtra()).get()
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);
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break;
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}
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case AndroidGeckoEvent::LOAD_URI: {
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nsCOMPtr<nsICommandLineRunner> cmdline
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(do_CreateInstance("@mozilla.org/toolkit/command-line;1"));
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if (!cmdline)
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break;
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if (curEvent->Characters().Length() == 0)
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break;
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char *uri = ToNewUTF8String(curEvent->Characters());
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if (!uri)
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break;
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char *flag = ToNewUTF8String(curEvent->CharactersExtra());
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const char *argv[4] = {
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"dummyappname",
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"-url",
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uri,
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flag ? flag : ""
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};
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nsresult rv = cmdline->Init(4, argv, nullptr, nsICommandLine::STATE_REMOTE_AUTO);
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if (NS_SUCCEEDED(rv))
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cmdline->Run();
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nsMemory::Free(uri);
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if (flag)
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nsMemory::Free(flag);
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break;
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}
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case AndroidGeckoEvent::SIZE_CHANGED: {
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// store the last resize event to dispatch it to new windows with a FORCED_RESIZE event
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if (curEvent != gLastSizeChange) {
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gLastSizeChange = AndroidGeckoEvent::CopyResizeEvent(curEvent);
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}
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nsWindow::OnGlobalAndroidEvent(curEvent);
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break;
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}
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case AndroidGeckoEvent::VISITED: {
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#ifdef MOZ_ANDROID_HISTORY
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nsCOMPtr<IHistory> history = services::GetHistoryService();
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nsCOMPtr<nsIURI> visitedURI;
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if (history &&
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NS_SUCCEEDED(NS_NewURI(getter_AddRefs(visitedURI),
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nsString(curEvent->Characters())))) {
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history->NotifyVisited(visitedURI);
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}
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#endif
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break;
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}
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case AndroidGeckoEvent::NETWORK_CHANGED: {
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hal::NotifyNetworkChange(hal::NetworkInformation(curEvent->ConnectionType(),
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curEvent->IsWifi(),
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curEvent->DHCPGateway()));
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break;
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}
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case AndroidGeckoEvent::SCREENORIENTATION_CHANGED: {
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nsresult rv;
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nsCOMPtr<nsIScreenManager> screenMgr =
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|
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;
|
|
dom::ScreenOrientation 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::ScreenOrientation>(curEvent->ScreenOrientation());
|
|
|
|
hal::NotifyScreenConfigurationChange(
|
|
hal::ScreenConfiguration(rect, orientation, colorDepth, pixelDepth));
|
|
break;
|
|
}
|
|
|
|
case AndroidGeckoEvent::CALL_OBSERVER:
|
|
{
|
|
nsCOMPtr<nsIObserver> observer;
|
|
mObserversHash.Get(curEvent->Characters(), getter_AddRefs(observer));
|
|
|
|
if (observer) {
|
|
observer->Observe(nullptr, NS_ConvertUTF16toUTF8(curEvent->CharactersExtra()).get(),
|
|
nsString(curEvent->Data()).get());
|
|
} else {
|
|
ALOG("Call_Observer event: Observer was not found!");
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case AndroidGeckoEvent::REMOVE_OBSERVER:
|
|
mObserversHash.Remove(curEvent->Characters());
|
|
break;
|
|
|
|
case AndroidGeckoEvent::ADD_OBSERVER:
|
|
AddObserver(curEvent->Characters(), curEvent->Observer());
|
|
break;
|
|
|
|
case AndroidGeckoEvent::PREFERENCES_GET:
|
|
case AndroidGeckoEvent::PREFERENCES_OBSERVE: {
|
|
const nsTArray<nsString> &prefNames = curEvent->PrefNames();
|
|
size_t count = prefNames.Length();
|
|
nsAutoArrayPtr<const char16_t*> prefNamePtrs(new const char16_t*[count]);
|
|
for (size_t i = 0; i < count; ++i) {
|
|
prefNamePtrs[i] = prefNames[i].get();
|
|
}
|
|
|
|
if (curEvent->Type() == AndroidGeckoEvent::PREFERENCES_GET) {
|
|
mBrowserApp->GetPreferences(curEvent->RequestId(), prefNamePtrs, count);
|
|
} else {
|
|
mBrowserApp->ObservePreferences(curEvent->RequestId(), prefNamePtrs, count);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case AndroidGeckoEvent::PREFERENCES_REMOVE_OBSERVERS:
|
|
mBrowserApp->RemovePreferenceObservers(curEvent->RequestId());
|
|
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,
|
|
nsString(curEvent->Characters()).get());
|
|
}
|
|
break;
|
|
}
|
|
|
|
case AndroidGeckoEvent::TELEMETRY_HISTOGRAM_ADD:
|
|
Telemetry::Accumulate(NS_ConvertUTF16toUTF8(curEvent->Characters()).get(),
|
|
curEvent->Count());
|
|
break;
|
|
|
|
case AndroidGeckoEvent::GAMEPAD_ADDREMOVE: {
|
|
#ifdef MOZ_GAMEPAD
|
|
nsRefPtr<mozilla::dom::GamepadService> svc =
|
|
mozilla::dom::GamepadService::GetService();
|
|
if (svc) {
|
|
if (curEvent->Action() == AndroidGeckoEvent::ACTION_GAMEPAD_ADDED) {
|
|
int svc_id = svc->AddGamepad("android",
|
|
mozilla::dom::GamepadMappingType::Standard,
|
|
mozilla::dom::kStandardGamepadButtons,
|
|
mozilla::dom::kStandardGamepadAxes);
|
|
mozilla::widget::android::GeckoAppShell::GamepadAdded(curEvent->ID(),
|
|
svc_id);
|
|
} else if (curEvent->Action() == AndroidGeckoEvent::ACTION_GAMEPAD_REMOVED) {
|
|
svc->RemoveGamepad(curEvent->ID());
|
|
}
|
|
}
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
case AndroidGeckoEvent::GAMEPAD_DATA: {
|
|
#ifdef MOZ_GAMEPAD
|
|
nsRefPtr<mozilla::dom::GamepadService> svc =
|
|
mozilla::dom::GamepadService::GetService();
|
|
if (svc) {
|
|
int id = curEvent->ID();
|
|
if (curEvent->Action() == AndroidGeckoEvent::ACTION_GAMEPAD_BUTTON) {
|
|
svc->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)) {
|
|
svc->NewAxisMoveEvent(id, i, values[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
break;
|
|
}
|
|
case AndroidGeckoEvent::NOOP:
|
|
break;
|
|
|
|
default:
|
|
nsWindow::OnGlobalAndroidEvent(curEvent);
|
|
break;
|
|
}
|
|
|
|
if (curEvent->AckNeeded()) {
|
|
mozilla::widget::android::GeckoAppShell::AcknowledgeEvent();
|
|
}
|
|
|
|
EVLOG("nsAppShell: -- done event %p %d", (void*)curEvent.get(), curEvent->Type());
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
nsAppShell::ResendLastResizeEvent(nsWindow* aDest) {
|
|
if (gLastSizeChange) {
|
|
nsWindow::OnGlobalAndroidEvent(gLastSizeChange);
|
|
}
|
|
}
|
|
|
|
AndroidGeckoEvent*
|
|
nsAppShell::PopNextEvent()
|
|
{
|
|
AndroidGeckoEvent *ae = nullptr;
|
|
MutexAutoLock lock(mQueueLock);
|
|
if (mEventQueue.Length()) {
|
|
ae = mEventQueue[0];
|
|
mEventQueue.RemoveElementAt(0);
|
|
if (mQueuedViewportEvent == ae) {
|
|
mQueuedViewportEvent = nullptr;
|
|
}
|
|
}
|
|
|
|
return ae;
|
|
}
|
|
|
|
AndroidGeckoEvent*
|
|
nsAppShell::PeekNextEvent()
|
|
{
|
|
AndroidGeckoEvent *ae = nullptr;
|
|
MutexAutoLock lock(mQueueLock);
|
|
if (mEventQueue.Length()) {
|
|
ae = mEventQueue[0];
|
|
}
|
|
|
|
return ae;
|
|
}
|
|
|
|
void
|
|
nsAppShell::PostEvent(AndroidGeckoEvent *ae)
|
|
{
|
|
{
|
|
// set this to true when inserting events that we can coalesce
|
|
// viewport events across. this is effectively maintaining a whitelist
|
|
// of events that are unaffected by viewport changes.
|
|
bool allowCoalescingNextViewport = false;
|
|
|
|
MutexAutoLock lock(mQueueLock);
|
|
EVLOG("nsAppShell::PostEvent %p %d", ae, ae->Type());
|
|
switch (ae->Type()) {
|
|
case AndroidGeckoEvent::COMPOSITOR_CREATE:
|
|
case AndroidGeckoEvent::COMPOSITOR_PAUSE:
|
|
case AndroidGeckoEvent::COMPOSITOR_RESUME:
|
|
// Give priority to these events, but maintain their order wrt each other.
|
|
{
|
|
uint32_t i = 0;
|
|
while (i < mEventQueue.Length() &&
|
|
(mEventQueue[i]->Type() == AndroidGeckoEvent::COMPOSITOR_CREATE ||
|
|
mEventQueue[i]->Type() == AndroidGeckoEvent::COMPOSITOR_PAUSE ||
|
|
mEventQueue[i]->Type() == AndroidGeckoEvent::COMPOSITOR_RESUME)) {
|
|
i++;
|
|
}
|
|
EVLOG("nsAppShell: Inserting compositor event %d at position %d to maintain priority order", ae->Type(), i);
|
|
mEventQueue.InsertElementAt(i, ae);
|
|
}
|
|
break;
|
|
|
|
case AndroidGeckoEvent::VIEWPORT:
|
|
if (mQueuedViewportEvent) {
|
|
// drop the previous viewport event now that we have a new one
|
|
EVLOG("nsAppShell: Dropping old viewport event at %p in favour of new VIEWPORT event %p", mQueuedViewportEvent, ae);
|
|
mEventQueue.RemoveElement(mQueuedViewportEvent);
|
|
delete mQueuedViewportEvent;
|
|
}
|
|
mQueuedViewportEvent = ae;
|
|
allowCoalescingNextViewport = true;
|
|
|
|
mEventQueue.AppendElement(ae);
|
|
break;
|
|
|
|
case AndroidGeckoEvent::MOTION_EVENT:
|
|
case AndroidGeckoEvent::APZ_INPUT_EVENT:
|
|
if (mAllowCoalescingTouches && mEventQueue.Length() > 0) {
|
|
int len = mEventQueue.Length();
|
|
AndroidGeckoEvent* event = mEventQueue[len - 1];
|
|
if (ae->CanCoalesceWith(event)) {
|
|
// 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);
|
|
mEventQueue.RemoveElementAt(len - 1);
|
|
delete event;
|
|
}
|
|
}
|
|
mEventQueue.AppendElement(ae);
|
|
break;
|
|
|
|
case AndroidGeckoEvent::NATIVE_POKE:
|
|
allowCoalescingNextViewport = true;
|
|
// fall through
|
|
|
|
default:
|
|
mEventQueue.AppendElement(ae);
|
|
break;
|
|
}
|
|
|
|
// if the event wasn't on our whitelist then reset mQueuedViewportEvent
|
|
// so that we don't coalesce future viewport events into the last viewport
|
|
// event we added
|
|
if (!allowCoalescingNextViewport)
|
|
mQueuedViewportEvent = nullptr;
|
|
}
|
|
NotifyNativeEvent();
|
|
}
|
|
|
|
void
|
|
nsAppShell::OnResume()
|
|
{
|
|
}
|
|
|
|
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()
|
|
{
|
|
return nsAppShell::gAppShell->ProcessNextNativeEvent(true) ? true : false;
|
|
}
|
|
|
|
void NotifyEvent()
|
|
{
|
|
nsAppShell::gAppShell->NotifyNativeEvent();
|
|
}
|
|
|
|
}
|