Add m-esr52 at 52.6.0

1 files changed, 224 insertions, 0 deletions

diff --git a/dom/speakermanager/SpeakerManagerService.cpp b/dom/speakermanager/SpeakerManagerService.cpp
new file mode 100644
index 000000000..a444f7163
--- /dev/null
+++ b/dom/speakermanager/SpeakerManagerService.cpp
@@ -0,0 +1,224 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "SpeakerManagerService.h"
+#include "SpeakerManagerServiceChild.h"
+#include "mozilla/Services.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/Unused.h"
+#include "mozilla/dom/ContentParent.h"
+#include "nsIPropertyBag2.h"
+#include "nsThreadUtils.h"
+#include "nsServiceManagerUtils.h"
+#include "AudioChannelService.h"
+#include <cutils/properties.h>
+
+#define NS_AUDIOMANAGER_CONTRACTID "@mozilla.org/telephony/audiomanager;1"
+#include "nsIAudioManager.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+StaticRefPtr<SpeakerManagerService> gSpeakerManagerService;
+
+// static
+SpeakerManagerService*
+SpeakerManagerService::GetOrCreateSpeakerManagerService()
+{
+  MOZ_ASSERT(NS_IsMainThread());
+
+  if (!XRE_IsParentProcess()) {
+    return SpeakerManagerServiceChild::GetOrCreateSpeakerManagerService();
+  }
+
+  // If we already exist, exit early
+  if (gSpeakerManagerService) {
+    return gSpeakerManagerService;
+  }
+
+  // Create new instance, register, return
+  RefPtr<SpeakerManagerService> service = new SpeakerManagerService();
+
+  gSpeakerManagerService = service;
+
+  return gSpeakerManagerService;
+}
+
+SpeakerManagerService*
+SpeakerManagerService::GetSpeakerManagerService()
+{
+  MOZ_ASSERT(NS_IsMainThread());
+
+  if (!XRE_IsParentProcess()) {
+    return SpeakerManagerServiceChild::GetSpeakerManagerService();
+  }
+
+  return gSpeakerManagerService;
+}
+
+void
+SpeakerManagerService::Shutdown()
+{
+  if (!XRE_IsParentProcess()) {
+    return SpeakerManagerServiceChild::Shutdown();
+  }
+
+  if (gSpeakerManagerService) {
+    gSpeakerManagerService = nullptr;
+  }
+}
+
+NS_IMPL_ISUPPORTS(SpeakerManagerService, nsIObserver)
+
+void
+SpeakerManagerService::ForceSpeaker(bool aEnable, uint64_t aChildId)
+{
+  TurnOnSpeaker(aEnable);
+  if (aEnable) {
+    mSpeakerStatusSet.Put(aChildId);
+  }
+  Notify();
+  return;
+}
+
+void
+SpeakerManagerService::ForceSpeaker(bool aEnable, bool aVisible)
+{
+  // b2g main process without oop
+  TurnOnSpeaker(aEnable && aVisible);
+  mVisible = aVisible;
+  mOrgSpeakerStatus = aEnable;
+  Notify();
+}
+
+void
+SpeakerManagerService::TurnOnSpeaker(bool aOn)
+{
+  nsCOMPtr<nsIAudioManager> audioManager = do_GetService(NS_AUDIOMANAGER_CONTRACTID);
+  NS_ENSURE_TRUE_VOID(audioManager);
+  int32_t phoneState;
+  audioManager->GetPhoneState(&phoneState);
+  int32_t forceuse = (phoneState == nsIAudioManager::PHONE_STATE_IN_CALL ||
+                      phoneState == nsIAudioManager::PHONE_STATE_IN_COMMUNICATION)
+                        ? nsIAudioManager::USE_COMMUNICATION : nsIAudioManager::USE_MEDIA;
+  if (aOn) {
+    audioManager->SetForceForUse(forceuse, nsIAudioManager::FORCE_SPEAKER);
+  } else {
+    audioManager->SetForceForUse(forceuse, nsIAudioManager::FORCE_NONE);
+  }
+}
+
+bool
+SpeakerManagerService::GetSpeakerStatus()
+{
+  char propQemu[PROPERTY_VALUE_MAX];
+  property_get("ro.kernel.qemu", propQemu, "");
+  if (!strncmp(propQemu, "1", 1)) {
+    return mOrgSpeakerStatus;
+  }
+  nsCOMPtr<nsIAudioManager> audioManager = do_GetService(NS_AUDIOMANAGER_CONTRACTID);
+  NS_ENSURE_TRUE(audioManager, false);
+  int32_t usage;
+  audioManager->GetForceForUse(nsIAudioManager::USE_MEDIA, &usage);
+  return usage == nsIAudioManager::FORCE_SPEAKER;
+}
+
+void
+SpeakerManagerService::Notify()
+{
+  // Parent Notify to all the child processes.
+  nsTArray<ContentParent*> children;
+  ContentParent::GetAll(children);
+  for (uint32_t i = 0; i < children.Length(); i++) {
+    Unused << children[i]->SendSpeakerManagerNotify();
+  }
+
+  for (uint32_t i = 0; i < mRegisteredSpeakerManagers.Length(); i++) {
+    mRegisteredSpeakerManagers[i]->
+      DispatchSimpleEvent(NS_LITERAL_STRING("speakerforcedchange"));
+  }
+}
+
+void
+SpeakerManagerService::SetAudioChannelActive(bool aIsActive)
+{
+  if (!aIsActive && !mVisible) {
+    ForceSpeaker(!mOrgSpeakerStatus, mVisible);
+  }
+}
+
+NS_IMETHODIMP
+SpeakerManagerService::Observe(nsISupports* aSubject,
+                               const char* aTopic,
+                               const char16_t* aData)
+{
+  if (!strcmp(aTopic, "ipc:content-shutdown")) {
+    nsCOMPtr<nsIPropertyBag2> props = do_QueryInterface(aSubject);
+    if (!props) {
+      NS_WARNING("ipc:content-shutdown message without property bag as subject");
+      return NS_OK;
+    }
+
+    uint64_t childID = 0;
+    nsresult rv = props->GetPropertyAsUint64(NS_LITERAL_STRING("childID"),
+                                             &childID);
+    if (NS_SUCCEEDED(rv)) {
+        // If the audio has paused by audiochannel,
+        // the enable flag should be false and don't need to handle.
+        if (mSpeakerStatusSet.Contains(childID)) {
+          TurnOnSpeaker(false);
+          mSpeakerStatusSet.Remove(childID);
+        }
+        if (mOrgSpeakerStatus) {
+          TurnOnSpeaker(!mOrgSpeakerStatus);
+          mOrgSpeakerStatus = false;
+        }
+    } else {
+      NS_WARNING("ipc:content-shutdown message without childID property");
+    }
+  } else if (!strcmp(aTopic, "xpcom-will-shutdown")) {
+    // Note that we need to do this before xpcom-shutdown, since the
+    // AudioChannelService cannot be used past that point.
+    RefPtr<AudioChannelService> audioChannelService =
+      AudioChannelService::GetOrCreate();
+    if (audioChannelService) {
+      audioChannelService->UnregisterSpeakerManager(this);
+    }
+
+    nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+    if (obs) {
+      obs->RemoveObserver(this, "ipc:content-shutdown");
+      obs->RemoveObserver(this, "xpcom-will-shutdown");
+    }
+
+    Shutdown();
+  }
+  return NS_OK;
+}
+
+SpeakerManagerService::SpeakerManagerService()
+  : mOrgSpeakerStatus(false),
+    mVisible(false)
+{
+  MOZ_COUNT_CTOR(SpeakerManagerService);
+  if (XRE_IsParentProcess()) {
+    nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+    if (obs) {
+      obs->AddObserver(this, "ipc:content-shutdown", false);
+      obs->AddObserver(this, "xpcom-will-shutdown", false);
+    }
+  }
+  RefPtr<AudioChannelService> audioChannelService =
+    AudioChannelService::GetOrCreate();
+  if (audioChannelService) {
+    audioChannelService->RegisterSpeakerManager(this);
+  }
+}
+
+SpeakerManagerService::~SpeakerManagerService()
+{
+  MOZ_COUNT_DTOR(SpeakerManagerService);
+}