dom/tv/TVListeners.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/TVSource.h"
   8 #include "mozilla/dom/TVTuner.h"
   9 #include "mozilla/dom/TVUtils.h"
  10 #include "TVListeners.h"
  11
  12 namespace mozilla {
  13 namespace dom {
  14
  15 NS_IMPL_CYCLE_COLLECTION(TVSourceListener, mSources)
  16
  17 NS_IMPL_CYCLE_COLLECTING_ADDREF(TVSourceListener)
  18 NS_IMPL_CYCLE_COLLECTING_RELEASE(TVSourceListener)
  19
  20 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TVSourceListener)
  21   NS_INTERFACE_MAP_ENTRY(nsITVSourceListener)
  22   NS_INTERFACE_MAP_ENTRY(nsISupports)
  23 NS_INTERFACE_MAP_END
  24
  25 void
  26 TVSourceListener::RegisterSource(TVSource* aSource)
  27 {
  28   mSources.AppendElement(aSource);
  29 }
  30
  31 void
  32 TVSourceListener::UnregisterSource(TVSource* aSource)
  33 {
  34   for (uint32_t i = 0; i < mSources.Length(); i++) {
  35     if (mSources[i] == aSource) {
  36       mSources.RemoveElementsAt(i, 1);
  37     }
  38   }
  39 }
  40
  41 /* virtual */ NS_IMETHODIMP
  42 TVSourceListener::NotifyChannelScanned(const nsAString& aTunerId,
  43                                        const nsAString& aSourceType,
  44                                        nsITVChannelData* aChannelData)
  45 {
  46   nsRefPtr<TVSource> source = GetSource(aTunerId, aSourceType);
  47   source->NotifyChannelScanned(aChannelData);
  48   return NS_OK;
  49 }
  50
  51 /* virtual */ NS_IMETHODIMP
  52 TVSourceListener::NotifyChannelScanComplete(const nsAString& aTunerId,
  53                                             const nsAString& aSourceType)
  54 {
  55   nsRefPtr<TVSource> source = GetSource(aTunerId, aSourceType);
  56   source->NotifyChannelScanComplete();
  57   return NS_OK;
  58 }
  59
  60 /* virtual */ NS_IMETHODIMP
  61 TVSourceListener::NotifyChannelScanStopped(const nsAString& aTunerId,
  62                                            const nsAString& aSourceType)
  63 {
  64   nsRefPtr<TVSource> source = GetSource(aTunerId, aSourceType);
  65   source->NotifyChannelScanStopped();
  66   return NS_OK;
  67 }
  68
  69 /* virtual */ NS_IMETHODIMP
  70 TVSourceListener::NotifyEITBroadcasted(const nsAString& aTunerId,
  71                                        const nsAString& aSourceType,
  72                                        nsITVChannelData* aChannelData,
  73                                        nsITVProgramData** aProgramDataList,
  74                                        const uint32_t aCount)
  75 {
  76   nsRefPtr<TVSource> source = GetSource(aTunerId, aSourceType);
  77   source->NotifyEITBroadcasted(aChannelData, aProgramDataList, aCount);
  78   return NS_OK;
  79 }
  80
  81 already_AddRefed<TVSource>
  82 TVSourceListener::GetSource(const nsAString& aTunerId,
  83                             const nsAString& aSourceType)
  84 {
  85   for (uint32_t i = 0; i < mSources.Length(); i++) {
  86     nsString tunerId;
  87     nsRefPtr<TVTuner> tuner = mSources[i]->Tuner();
  88     tuner->GetId(tunerId);
  89
  90     nsString sourceType = ToTVSourceTypeStr(mSources[i]->Type());
  91
  92     if (aTunerId.Equals(tunerId) && aSourceType.Equals(sourceType)) {
  93       nsRefPtr<TVSource> source = mSources[i];
  94       return source.forget();
  95     }
  96   }
  97
  98   return nullptr;
  99 }
 100
 101 } // namespace dom
 102 } // namespace mozilla