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Diffstat (limited to 'src/com/android/tv/util/PipInputManager.java')
| -rw-r--r-- | src/com/android/tv/util/PipInputManager.java | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/src/com/android/tv/util/PipInputManager.java b/src/com/android/tv/util/PipInputManager.java deleted file mode 100644 index 2c51d5a0..00000000 --- a/src/com/android/tv/util/PipInputManager.java +++ /dev/null @@ -1,432 +0,0 @@ -/* - * Copyright (C) 2015 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.tv.util; - -import android.content.Context; -import android.media.tv.TvInputInfo; -import android.media.tv.TvInputManager; -import android.media.tv.TvInputManager.TvInputCallback; -import android.util.ArraySet; -import android.util.Log; - -import com.android.tv.ChannelTuner; -import com.android.tv.R; -import com.android.tv.data.Channel; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.Comparator; -import java.util.HashMap; -import java.util.List; -import java.util.Map; -import java.util.Set; - -/** - * A class that manages inputs for PIP. All tuner inputs are represented to one tuner input for PIP. - * Hidden inputs should not be visible to the users. - */ -public class PipInputManager { - private static final String TAG = "PipInputManager"; - - // Tuner inputs aren't distinguished each other in PipInput. They are handled as one input. - // Therefore, we define a fake input id for the unified input. - private static final String TUNER_INPUT_ID = "tuner_input_id"; - - private final Context mContext; - private final TvInputManagerHelper mInputManager; - private final ChannelTuner mChannelTuner; - private boolean mStarted; - private final Map<String, PipInput> mPipInputMap = new HashMap<>(); // inputId -> PipInput - private final Set<Listener> mListeners = new ArraySet<>(); - - private final TvInputCallback mTvInputCallback = new TvInputCallback() { - @Override - public void onInputAdded(String inputId) { - TvInputInfo input = mInputManager.getTvInputInfo(inputId); - if (input.isPassthroughInput()) { - boolean available = mInputManager.getInputState(input) - == TvInputManager.INPUT_STATE_CONNECTED; - mPipInputMap.put(inputId, new PipInput(inputId, available)); - } else if (!mPipInputMap.containsKey(TUNER_INPUT_ID)) { - boolean available = mChannelTuner.getBrowsableChannelCount() != 0; - mPipInputMap.put(TUNER_INPUT_ID, new PipInput(TUNER_INPUT_ID, available)); - } else { - return; - } - for (Listener l : mListeners) { - l.onPipInputListUpdated(); - } - } - - @Override - public void onInputRemoved(String inputId) { - PipInput pipInput = mPipInputMap.remove(inputId); - if (pipInput == null) { - if (!mPipInputMap.containsKey(TUNER_INPUT_ID)) { - Log.w(TAG, "A TV input (" + inputId + ") isn't tracked in PipInputManager"); - return; - } - if (mInputManager.getTunerTvInputSize() > 0) { - return; - } - mPipInputMap.remove(TUNER_INPUT_ID); - } - for (Listener l : mListeners) { - l.onPipInputListUpdated(); - } - } - - @Override - public void onInputStateChanged(String inputId, int state) { - PipInput pipInput = mPipInputMap.get(inputId); - if (pipInput == null) { - // For tuner input, state change is handled in mChannelTunerListener. - return; - } - pipInput.updateAvailability(); - } - }; - - private final ChannelTuner.Listener mChannelTunerListener = new ChannelTuner.Listener() { - @Override - public void onLoadFinished() { } - - @Override - public void onCurrentChannelUnavailable(Channel channel) { } - - @Override - public void onBrowsableChannelListChanged() { - PipInput tunerInput = mPipInputMap.get(TUNER_INPUT_ID); - if (tunerInput == null) { - return; - } - tunerInput.updateAvailability(); - } - - @Override - public void onChannelChanged(Channel previousChannel, Channel currentChannel) { - if (previousChannel != null && currentChannel != null - && !previousChannel.isPassthrough() && !currentChannel.isPassthrough()) { - // Channel change between channels for tuner inputs. - return; - } - PipInput previousMainInput = getPipInput(previousChannel); - if (previousMainInput != null) { - previousMainInput.updateAvailability(); - } - PipInput currentMainInput = getPipInput(currentChannel); - if (currentMainInput != null) { - currentMainInput.updateAvailability(); - } - } - }; - - public PipInputManager(Context context, TvInputManagerHelper inputManager, - ChannelTuner channelTuner) { - mContext = context; - mInputManager = inputManager; - mChannelTuner = channelTuner; - } - - /** - * Starts {@link PipInputManager}. - */ - public void start() { - if (mStarted) { - return; - } - mStarted = true; - mInputManager.addCallback(mTvInputCallback); - mChannelTuner.addListener(mChannelTunerListener); - initializePipInputList(); - } - - /** - * Stops {@link PipInputManager}. - */ - public void stop() { - if (!mStarted) { - return; - } - mStarted = false; - mInputManager.removeCallback(mTvInputCallback); - mChannelTuner.removeListener(mChannelTunerListener); - mPipInputMap.clear(); - } - - /** - * Adds a {@link PipInputManager.Listener}. - */ - public void addListener(Listener listener) { - mListeners.add(listener); - } - - /** - * Removes a {@link PipInputManager.Listener}. - */ - public void removeListener(Listener listener) { - mListeners.remove(listener); - } - - /** - * Gets the size of inputs for PIP. - * - * <p>The hidden inputs are not counted. - * - * @param availableOnly If {@code true}, it counts only available PIP inputs. Please see {@link - * PipInput#isAvailable()} for the details of availability. - */ - public int getPipInputSize(boolean availableOnly) { - int count = 0; - for (PipInput pipInput : mPipInputMap.values()) { - if (!pipInput.isHidden() && (!availableOnly || pipInput.mAvailable)) { - ++count; - } - if (pipInput.isPassthrough()) { - TvInputInfo info = pipInput.getInputInfo(); - // Do not count HDMI ports if a CEC device is directly connected to the port. - if (info.getParentId() != null && !info.isConnectedToHdmiSwitch()) { - --count; - } - } - } - return count; - } - - /** - * Gets the list of inputs for PIP.. - * - * <p>The hidden inputs are excluded. - * - * @param availableOnly If true, it returns only available PIP inputs. Please see {@link - * PipInput#isAvailable()} for the details of availability. - */ - public List<PipInput> getPipInputList(boolean availableOnly) { - List<PipInput> pipInputs = new ArrayList<>(); - List<PipInput> removeInputs = new ArrayList<>(); - for (PipInput pipInput : mPipInputMap.values()) { - if (!pipInput.isHidden() && (!availableOnly || pipInput.mAvailable)) { - pipInputs.add(pipInput); - } - if (pipInput.isPassthrough()) { - TvInputInfo info = pipInput.getInputInfo(); - // Do not show HDMI ports if a CEC device is directly connected to the port. - if (info.getParentId() != null && !info.isConnectedToHdmiSwitch()) { - removeInputs.add(mPipInputMap.get(info.getParentId())); - } - } - } - if (!removeInputs.isEmpty()) { - pipInputs.removeAll(removeInputs); - } - Collections.sort(pipInputs, new Comparator<PipInput>() { - @Override - public int compare(PipInput lhs, PipInput rhs) { - if (!lhs.mIsPassthrough) { - return -1; - } - if (!rhs.mIsPassthrough) { - return 1; - } - String a = lhs.getLabel(); - String b = rhs.getLabel(); - return a.compareTo(b); - } - }); - return pipInputs; - } - - /** - * Returns an PIP input corresponding to {@code channel}. - */ - public PipInput getPipInput(Channel channel) { - if (channel == null) { - return null; - } - if (channel.isPassthrough()) { - return mPipInputMap.get(channel.getInputId()); - } else { - return mPipInputMap.get(TUNER_INPUT_ID); - } - } - - /** - * Returns true, if {@code channel1} and {@code channel2} belong to the same input. For example, - * two channels from different tuner inputs are also in the same input "Tuner" from PIP - * point of view. - */ - public boolean areInSamePipInput(Channel channel1, Channel channel2) { - PipInput input1 = getPipInput(channel1); - PipInput input2 = getPipInput(channel2); - return input1 != null && input2 != null - && getPipInput(channel1).equals(getPipInput(channel2)); - } - - private void initializePipInputList() { - boolean hasTunerInput = false; - for (TvInputInfo input : mInputManager.getTvInputInfos(false, false)) { - if (input.isPassthroughInput()) { - boolean available = mInputManager.getInputState(input) - == TvInputManager.INPUT_STATE_CONNECTED; - mPipInputMap.put(input.getId(), new PipInput(input.getId(), available)); - } else if (!hasTunerInput) { - hasTunerInput = true; - boolean available = mChannelTuner.getBrowsableChannelCount() != 0; - mPipInputMap.put(TUNER_INPUT_ID, new PipInput(TUNER_INPUT_ID, available)); - } - } - PipInput input = getPipInput(mChannelTuner.getCurrentChannel()); - if (input != null) { - input.updateAvailability(); - } - for (Listener l : mListeners) { - l.onPipInputListUpdated(); - } - } - - /** - * Listeners to notify PIP input state changes. - */ - public interface Listener { - /** - * Called when the state (availability) of PIP inputs is changed. - */ - void onPipInputStateUpdated(); - - /** - * Called when the list of PIP inputs is changed. - */ - void onPipInputListUpdated(); - } - - /** - * Input class for PIP. It has useful methods for PIP handling. - */ - public class PipInput { - private final String mInputId; - private final boolean mIsPassthrough; - private final TvInputInfo mInputInfo; - private boolean mAvailable; - - private PipInput(String inputId, boolean available) { - mInputId = inputId; - mIsPassthrough = !mInputId.equals(TUNER_INPUT_ID); - if (mIsPassthrough) { - mInputInfo = mInputManager.getTvInputInfo(mInputId); - } else { - mInputInfo = null; - } - mAvailable = available; - } - - /** - * Returns the {@link TvInputInfo} object that matches to this PIP input. - */ - public TvInputInfo getInputInfo() { - return mInputInfo; - } - - /** - * Returns {@code true}, if the input is available for PIP. If a channel of an input is - * already played or an input is not connected state or there is no browsable channel, the - * input is unavailable. - */ - public boolean isAvailable() { - return mAvailable; - } - - /** - * Returns true, if the input is a passthrough TV input. - */ - public boolean isPassthrough() { - return mIsPassthrough; - } - - /** - * Gets a channel to play in a PIP view. - */ - public Channel getChannel() { - if (mIsPassthrough) { - return Channel.createPassthroughChannel(mInputId); - } else { - return mChannelTuner.findNearestBrowsableChannel( - Utils.getLastWatchedChannelId(mContext)); - } - } - - /** - * Gets a label of the input. - */ - public String getLabel() { - if (mIsPassthrough) { - return mInputInfo.loadLabel(mContext).toString(); - } else { - return mContext.getString(R.string.input_selector_tuner_label); - } - } - - /** - * Gets a long label including a customized label. - */ - public String getLongLabel() { - if (mIsPassthrough) { - String customizedLabel = Utils.loadLabel(mContext, mInputInfo); - String label = getLabel(); - if (label.equals(customizedLabel)) { - return customizedLabel; - } - return customizedLabel + " (" + label + ")"; - } else { - return mContext.getString(R.string.input_long_label_for_tuner); - } - } - - /** - * Updates availability. It returns true, if availability is changed. - */ - private void updateAvailability() { - boolean available; - // current playing input cannot be available for PIP. - Channel currentChannel = mChannelTuner.getCurrentChannel(); - if (mIsPassthrough) { - if (currentChannel != null && currentChannel.getInputId().equals(mInputId)) { - available = false; - } else { - available = mInputManager.getInputState(mInputId) - == TvInputManager.INPUT_STATE_CONNECTED; - } - } else { - if (currentChannel != null && !currentChannel.isPassthrough()) { - available = false; - } else { - available = mChannelTuner.getBrowsableChannelCount() > 0; - } - } - if (mAvailable != available) { - mAvailable = available; - for (Listener l : mListeners) { - l.onPipInputStateUpdated(); - } - } - } - - private boolean isHidden() { - // mInputInfo is null for the tuner input and it's always visible. - return mInputInfo != null && mInputInfo.isHidden(mContext); - } - } -} |