diff options
Diffstat (limited to 'core/java/com/android/internal/app/MediaRouteChooserDialogFragment.java')
-rw-r--r-- | core/java/com/android/internal/app/MediaRouteChooserDialogFragment.java | 687 |
1 files changed, 49 insertions, 638 deletions
diff --git a/core/java/com/android/internal/app/MediaRouteChooserDialogFragment.java b/core/java/com/android/internal/app/MediaRouteChooserDialogFragment.java index 268dcf6..ae362af 100644 --- a/core/java/com/android/internal/app/MediaRouteChooserDialogFragment.java +++ b/core/java/com/android/internal/app/MediaRouteChooserDialogFragment.java @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012 The Android Open Source Project + * Copyright (C) 2013 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. @@ -16,675 +16,86 @@ package com.android.internal.app; -import com.android.internal.R; - -import android.app.Activity; import android.app.Dialog; import android.app.DialogFragment; -import android.app.MediaRouteActionProvider; -import android.app.MediaRouteButton; import android.content.Context; -import android.graphics.drawable.Drawable; -import android.hardware.display.DisplayManager; -import android.media.MediaRouter; -import android.media.MediaRouter.RouteCategory; -import android.media.MediaRouter.RouteGroup; -import android.media.MediaRouter.RouteInfo; import android.os.Bundle; -import android.text.TextUtils; -import android.view.KeyEvent; -import android.view.LayoutInflater; import android.view.View; -import android.view.ViewGroup; -import android.widget.AdapterView; -import android.widget.BaseAdapter; -import android.widget.CheckBox; -import android.widget.Checkable; -import android.widget.ImageButton; -import android.widget.ImageView; -import android.widget.ListView; -import android.widget.SeekBar; -import android.widget.TextView; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.Comparator; -import java.util.List; +import android.view.View.OnClickListener; /** - * This class implements the route chooser dialog for {@link MediaRouter}. + * Media route chooser dialog fragment. + * <p> + * Creates a {@link MediaRouteChooserDialog}. The application may subclass + * this dialog fragment to customize the media route chooser dialog. + * </p> * - * @see MediaRouteButton - * @see MediaRouteActionProvider + * TODO: Move this back into the API, as in the support library media router. */ public class MediaRouteChooserDialogFragment extends DialogFragment { - private static final String TAG = "MediaRouteChooserDialogFragment"; - public static final String FRAGMENT_TAG = "android:MediaRouteChooserDialogFragment"; - - private static final int[] ITEM_LAYOUTS = new int[] { - R.layout.media_route_list_item_top_header, - R.layout.media_route_list_item_section_header, - R.layout.media_route_list_item, - R.layout.media_route_list_item_checkable, - R.layout.media_route_list_item_collapse_group - }; + private final String ARGUMENT_ROUTE_TYPES = "routeTypes"; - MediaRouter mRouter; - private int mRouteTypes; - - private LayoutInflater mInflater; - private LauncherListener mLauncherListener; - private View.OnClickListener mExtendedSettingsListener; - private RouteAdapter mAdapter; - private ListView mListView; - private SeekBar mVolumeSlider; - private ImageView mVolumeIcon; - - final RouteComparator mComparator = new RouteComparator(); - final MediaRouterCallback mCallback = new MediaRouterCallback(); - private boolean mIgnoreSliderVolumeChanges; - private boolean mIgnoreCallbackVolumeChanges; + private View.OnClickListener mExtendedSettingsClickListener; + /** + * Creates a media route chooser dialog fragment. + * <p> + * All subclasses of this class must also possess a default constructor. + * </p> + */ public MediaRouteChooserDialogFragment() { - setStyle(STYLE_NO_TITLE, R.style.Theme_DeviceDefault_Dialog); + setCancelable(true); + setStyle(STYLE_NORMAL, android.R.style.Theme_DeviceDefault_Dialog); } - public void setLauncherListener(LauncherListener listener) { - mLauncherListener = listener; - } - - @Override - public void onAttach(Activity activity) { - super.onAttach(activity); - mRouter = (MediaRouter) activity.getSystemService(Context.MEDIA_ROUTER_SERVICE); - mRouter.addCallback(mRouteTypes, mCallback, MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN); - } - - @Override - public void onDetach() { - super.onDetach(); - if (mLauncherListener != null) { - mLauncherListener.onDetached(this); - } - if (mAdapter != null) { - mAdapter = null; - } - mInflater = null; - mRouter.removeCallback(mCallback); - mRouter = null; - } - - public void setExtendedSettingsClickListener(View.OnClickListener listener) { - mExtendedSettingsListener = listener; + public int getRouteTypes() { + Bundle args = getArguments(); + return args != null ? args.getInt(ARGUMENT_ROUTE_TYPES) : 0; } public void setRouteTypes(int types) { - mRouteTypes = types; - } - - void updateVolume() { - if (mRouter == null) return; - - final RouteInfo selectedRoute = mRouter.getSelectedRoute(mRouteTypes); - mVolumeIcon.setImageResource(selectedRoute == null || - selectedRoute.getPlaybackType() == RouteInfo.PLAYBACK_TYPE_LOCAL ? - R.drawable.ic_audio_vol : R.drawable.ic_media_route_on_holo_dark); - - mIgnoreSliderVolumeChanges = true; - - if (selectedRoute == null || - selectedRoute.getVolumeHandling() == RouteInfo.PLAYBACK_VOLUME_FIXED) { - // Disable the slider and show it at max volume. - mVolumeSlider.setMax(1); - mVolumeSlider.setProgress(1); - mVolumeSlider.setEnabled(false); - } else { - mVolumeSlider.setEnabled(true); - mVolumeSlider.setMax(selectedRoute.getVolumeMax()); - mVolumeSlider.setProgress(selectedRoute.getVolume()); - } - - mIgnoreSliderVolumeChanges = false; - } - - void changeVolume(int newValue) { - if (mIgnoreSliderVolumeChanges) return; - - final RouteInfo selectedRoute = mRouter.getSelectedRoute(mRouteTypes); - if (selectedRoute != null && - selectedRoute.getVolumeHandling() == RouteInfo.PLAYBACK_VOLUME_VARIABLE) { - final int maxVolume = selectedRoute.getVolumeMax(); - newValue = Math.max(0, Math.min(newValue, maxVolume)); - selectedRoute.requestSetVolume(newValue); - } - } - - @Override - public View onCreateView(LayoutInflater inflater, ViewGroup container, - Bundle savedInstanceState) { - mInflater = inflater; - final View layout = inflater.inflate(R.layout.media_route_chooser_layout, container, false); - - mVolumeIcon = (ImageView) layout.findViewById(R.id.volume_icon); - mVolumeSlider = (SeekBar) layout.findViewById(R.id.volume_slider); - updateVolume(); - mVolumeSlider.setOnSeekBarChangeListener(new VolumeSliderChangeListener()); - - if (mExtendedSettingsListener != null) { - final View extendedSettingsButton = layout.findViewById(R.id.extended_settings); - extendedSettingsButton.setVisibility(View.VISIBLE); - extendedSettingsButton.setOnClickListener(mExtendedSettingsListener); - } - - final ListView list = (ListView) layout.findViewById(R.id.list); - list.setItemsCanFocus(true); - list.setAdapter(mAdapter = new RouteAdapter()); - list.setOnItemClickListener(mAdapter); - - mListView = list; - - mAdapter.scrollToSelectedItem(); - - return layout; - } - - @Override - public Dialog onCreateDialog(Bundle savedInstanceState) { - return new RouteChooserDialog(getActivity(), getTheme()); - } - - private static class ViewHolder { - public TextView text1; - public TextView text2; - public ImageView icon; - public ImageButton expandGroupButton; - public RouteAdapter.ExpandGroupListener expandGroupListener; - public int position; - public CheckBox check; - } - - private class RouteAdapter extends BaseAdapter implements ListView.OnItemClickListener { - private static final int VIEW_TOP_HEADER = 0; - private static final int VIEW_SECTION_HEADER = 1; - private static final int VIEW_ROUTE = 2; - private static final int VIEW_GROUPING_ROUTE = 3; - private static final int VIEW_GROUPING_DONE = 4; - - private int mSelectedItemPosition = -1; - private final ArrayList<Object> mItems = new ArrayList<Object>(); - - private RouteCategory mCategoryEditingGroups; - private RouteGroup mEditingGroup; - - // Temporary lists for manipulation - private final ArrayList<RouteInfo> mCatRouteList = new ArrayList<RouteInfo>(); - private final ArrayList<RouteInfo> mSortRouteList = new ArrayList<RouteInfo>(); - - private boolean mIgnoreUpdates; - - RouteAdapter() { - update(); - } - - void update() { - /* - * This is kind of wacky, but our data sets are going to be - * fairly small on average. Ideally we should be able to do some of this stuff - * in-place instead. - * - * Basic idea: each entry in mItems represents an item in the list for quick access. - * Entries can be a RouteCategory (section header), a RouteInfo with a category of - * mCategoryEditingGroups (a flattened RouteInfo pulled out of its group, allowing - * the user to change the group), - */ - if (mIgnoreUpdates) return; - - mItems.clear(); - - final RouteInfo selectedRoute = mRouter.getSelectedRoute(mRouteTypes); - mSelectedItemPosition = -1; - - List<RouteInfo> routes; - final int catCount = mRouter.getCategoryCount(); - for (int i = 0; i < catCount; i++) { - final RouteCategory cat = mRouter.getCategoryAt(i); - routes = cat.getRoutes(mCatRouteList); - - if (!cat.isSystem()) { - mItems.add(cat); - } - - if (cat == mCategoryEditingGroups) { - addGroupEditingCategoryRoutes(routes); - } else { - addSelectableRoutes(selectedRoute, routes); - } - - routes.clear(); + if (types != getRouteTypes()) { + Bundle args = getArguments(); + if (args == null) { + args = new Bundle(); } + args.putInt(ARGUMENT_ROUTE_TYPES, types); + setArguments(args); - notifyDataSetChanged(); - if (mListView != null && mSelectedItemPosition >= 0) { - mListView.setItemChecked(mSelectedItemPosition, true); - } - } - - void scrollToEditingGroup() { - if (mCategoryEditingGroups == null || mListView == null) return; - - int pos = 0; - int bound = 0; - final int itemCount = mItems.size(); - for (int i = 0; i < itemCount; i++) { - final Object item = mItems.get(i); - if (item != null && item == mCategoryEditingGroups) { - bound = i; - } - if (item == null) { - pos = i; - break; // this is always below the category header; we can stop here. - } - } - - mListView.smoothScrollToPosition(pos, bound); - } - - void scrollToSelectedItem() { - if (mListView == null || mSelectedItemPosition < 0) return; - - mListView.smoothScrollToPosition(mSelectedItemPosition); - } - - void addSelectableRoutes(RouteInfo selectedRoute, List<RouteInfo> from) { - final int routeCount = from.size(); - for (int j = 0; j < routeCount; j++) { - final RouteInfo info = from.get(j); - if (info == selectedRoute) { - mSelectedItemPosition = mItems.size(); - } - mItems.add(info); - } - } - - void addGroupEditingCategoryRoutes(List<RouteInfo> from) { - // Unpack groups and flatten for presentation - // mSortRouteList will always be empty here. - final int topCount = from.size(); - for (int i = 0; i < topCount; i++) { - final RouteInfo route = from.get(i); - final RouteGroup group = route.getGroup(); - if (group == route) { - // This is a group, unpack it. - final int groupCount = group.getRouteCount(); - for (int j = 0; j < groupCount; j++) { - final RouteInfo innerRoute = group.getRouteAt(j); - mSortRouteList.add(innerRoute); - } - } else { - mSortRouteList.add(route); - } - } - // Sort by name. This will keep the route positions relatively stable even though they - // will be repeatedly added and removed. - Collections.sort(mSortRouteList, mComparator); - - mItems.addAll(mSortRouteList); - mSortRouteList.clear(); - - mItems.add(null); // Sentinel reserving space for the "done" button. - } - - @Override - public int getCount() { - return mItems.size(); - } - - @Override - public int getViewTypeCount() { - return 5; - } - - @Override - public int getItemViewType(int position) { - final Object item = getItem(position); - if (item instanceof RouteCategory) { - return position == 0 ? VIEW_TOP_HEADER : VIEW_SECTION_HEADER; - } else if (item == null) { - return VIEW_GROUPING_DONE; - } else { - final RouteInfo info = (RouteInfo) item; - if (info.getCategory() == mCategoryEditingGroups) { - return VIEW_GROUPING_ROUTE; - } - return VIEW_ROUTE; - } - } - - @Override - public boolean areAllItemsEnabled() { - return false; - } - - @Override - public boolean isEnabled(int position) { - switch (getItemViewType(position)) { - case VIEW_ROUTE: - return ((RouteInfo) mItems.get(position)).isEnabled(); - case VIEW_GROUPING_ROUTE: - case VIEW_GROUPING_DONE: - return true; - default: - return false; - } - } - - @Override - public Object getItem(int position) { - return mItems.get(position); - } - - @Override - public long getItemId(int position) { - return position; - } - - @Override - public View getView(int position, View convertView, ViewGroup parent) { - final int viewType = getItemViewType(position); - - ViewHolder holder; - if (convertView == null) { - convertView = mInflater.inflate(ITEM_LAYOUTS[viewType], parent, false); - holder = new ViewHolder(); - holder.position = position; - holder.text1 = (TextView) convertView.findViewById(R.id.text1); - holder.text2 = (TextView) convertView.findViewById(R.id.text2); - holder.icon = (ImageView) convertView.findViewById(R.id.icon); - holder.check = (CheckBox) convertView.findViewById(R.id.check); - holder.expandGroupButton = (ImageButton) convertView.findViewById( - R.id.expand_button); - if (holder.expandGroupButton != null) { - holder.expandGroupListener = new ExpandGroupListener(); - holder.expandGroupButton.setOnClickListener(holder.expandGroupListener); - } - - final View fview = convertView; - final ListView list = (ListView) parent; - final ViewHolder fholder = holder; - convertView.setOnClickListener(new View.OnClickListener() { - @Override public void onClick(View v) { - list.performItemClick(fview, fholder.position, 0); - } - }); - convertView.setTag(holder); - } else { - holder = (ViewHolder) convertView.getTag(); - holder.position = position; - } - - switch (viewType) { - case VIEW_ROUTE: - case VIEW_GROUPING_ROUTE: - bindItemView(position, holder); - break; - case VIEW_SECTION_HEADER: - case VIEW_TOP_HEADER: - bindHeaderView(position, holder); - break; - } - - convertView.setActivated(position == mSelectedItemPosition); - convertView.setEnabled(isEnabled(position)); - - return convertView; - } - - void bindItemView(int position, ViewHolder holder) { - RouteInfo info = (RouteInfo) mItems.get(position); - holder.text1.setText(info.getName(getActivity())); - final CharSequence status = info.getStatus(); - if (TextUtils.isEmpty(status)) { - holder.text2.setVisibility(View.GONE); - } else { - holder.text2.setVisibility(View.VISIBLE); - holder.text2.setText(status); - } - Drawable icon = info.getIconDrawable(); - if (icon != null) { - // Make sure we have a fresh drawable where it doesn't matter if we mutate it - icon = icon.getConstantState().newDrawable(getResources()); - } - holder.icon.setImageDrawable(icon); - holder.icon.setVisibility(icon != null ? View.VISIBLE : View.GONE); - - RouteCategory cat = info.getCategory(); - boolean canGroup = false; - if (cat == mCategoryEditingGroups) { - RouteGroup group = info.getGroup(); - holder.check.setEnabled(group.getRouteCount() > 1); - holder.check.setChecked(group == mEditingGroup); - } else { - if (cat.isGroupable()) { - final RouteGroup group = (RouteGroup) info; - canGroup = group.getRouteCount() > 1 || - getItemViewType(position - 1) == VIEW_ROUTE || - (position < getCount() - 1 && - getItemViewType(position + 1) == VIEW_ROUTE); - } - } - - if (holder.expandGroupButton != null) { - holder.expandGroupButton.setVisibility(canGroup ? View.VISIBLE : View.GONE); - holder.expandGroupListener.position = position; - } - } - - void bindHeaderView(int position, ViewHolder holder) { - RouteCategory cat = (RouteCategory) mItems.get(position); - holder.text1.setText(cat.getName(getActivity())); - } - - @Override - public void onItemClick(AdapterView<?> parent, View view, int position, long id) { - final int type = getItemViewType(position); - if (type == VIEW_SECTION_HEADER || type == VIEW_TOP_HEADER) { - return; - } else if (type == VIEW_GROUPING_DONE) { - finishGrouping(); - return; - } else { - final Object item = getItem(position); - if (!(item instanceof RouteInfo)) { - // Oops. Stale event running around? Skip it. - return; - } - - final RouteInfo route = (RouteInfo) item; - if (type == VIEW_ROUTE) { - mRouter.selectRouteInt(mRouteTypes, route, true); - dismiss(); - } else if (type == VIEW_GROUPING_ROUTE) { - final Checkable c = (Checkable) view; - final boolean wasChecked = c.isChecked(); - - mIgnoreUpdates = true; - RouteGroup oldGroup = route.getGroup(); - if (!wasChecked && oldGroup != mEditingGroup) { - // Assumption: in a groupable category oldGroup will never be null. - if (mRouter.getSelectedRoute(mRouteTypes) == oldGroup) { - // Old group was selected but is now empty. Select the group - // we're manipulating since that's where the last route went. - mRouter.selectRouteInt(mRouteTypes, mEditingGroup, true); - } - oldGroup.removeRoute(route); - mEditingGroup.addRoute(route); - c.setChecked(true); - } else if (wasChecked && mEditingGroup.getRouteCount() > 1) { - mEditingGroup.removeRoute(route); - - // In a groupable category this will add - // the route into its own new group. - mRouter.addRouteInt(route); - } - mIgnoreUpdates = false; - update(); - } - } - } - - boolean isGrouping() { - return mCategoryEditingGroups != null; - } - - void finishGrouping() { - mCategoryEditingGroups = null; - mEditingGroup = null; - getDialog().setCanceledOnTouchOutside(true); - update(); - scrollToSelectedItem(); - } - - class ExpandGroupListener implements View.OnClickListener { - int position; - - @Override - public void onClick(View v) { - // Assumption: this is only available for the user to click if we're presenting - // a groupable category, where every top-level route in the category is a group. - final RouteGroup group = (RouteGroup) getItem(position); - mEditingGroup = group; - mCategoryEditingGroups = group.getCategory(); - getDialog().setCanceledOnTouchOutside(false); - mRouter.selectRouteInt(mRouteTypes, mEditingGroup, true); - update(); - scrollToEditingGroup(); - } - } - } - - class MediaRouterCallback extends MediaRouter.Callback { - @Override - public void onRouteSelected(MediaRouter router, int type, RouteInfo info) { - mAdapter.update(); - updateVolume(); - } - - @Override - public void onRouteUnselected(MediaRouter router, int type, RouteInfo info) { - mAdapter.update(); - } - - @Override - public void onRouteAdded(MediaRouter router, RouteInfo info) { - mAdapter.update(); - } - - @Override - public void onRouteRemoved(MediaRouter router, RouteInfo info) { - if (info == mAdapter.mEditingGroup) { - mAdapter.finishGrouping(); - } - mAdapter.update(); - } - - @Override - public void onRouteChanged(MediaRouter router, RouteInfo info) { - mAdapter.notifyDataSetChanged(); - } - - @Override - public void onRouteGrouped(MediaRouter router, RouteInfo info, - RouteGroup group, int index) { - mAdapter.update(); - } - - @Override - public void onRouteUngrouped(MediaRouter router, RouteInfo info, RouteGroup group) { - mAdapter.update(); - } - - @Override - public void onRouteVolumeChanged(MediaRouter router, RouteInfo info) { - if (!mIgnoreCallbackVolumeChanges) { - updateVolume(); + MediaRouteChooserDialog dialog = (MediaRouteChooserDialog)getDialog(); + if (dialog != null) { + dialog.setRouteTypes(types); } } } - class RouteComparator implements Comparator<RouteInfo> { - @Override - public int compare(RouteInfo lhs, RouteInfo rhs) { - return lhs.getName(getActivity()).toString() - .compareTo(rhs.getName(getActivity()).toString()); - } - } - - class RouteChooserDialog extends Dialog { - public RouteChooserDialog(Context context, int theme) { - super(context, theme); - } - - @Override - public void onBackPressed() { - if (mAdapter != null && mAdapter.isGrouping()) { - mAdapter.finishGrouping(); - } else { - super.onBackPressed(); - } - } - - public boolean onKeyDown(int keyCode, KeyEvent event) { - if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN && mVolumeSlider.isEnabled()) { - final RouteInfo selectedRoute = mRouter.getSelectedRoute(mRouteTypes); - if (selectedRoute != null) { - selectedRoute.requestUpdateVolume(-1); - return true; - } - } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP && mVolumeSlider.isEnabled()) { - final RouteInfo selectedRoute = mRouter.getSelectedRoute(mRouteTypes); - if (selectedRoute != null) { - mRouter.getSelectedRoute(mRouteTypes).requestUpdateVolume(1); - return true; - } - } - return super.onKeyDown(keyCode, event); - } + public void setExtendedSettingsClickListener(View.OnClickListener listener) { + if (listener != mExtendedSettingsClickListener) { + mExtendedSettingsClickListener = listener; - public boolean onKeyUp(int keyCode, KeyEvent event) { - if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN && mVolumeSlider.isEnabled()) { - return true; - } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP && mVolumeSlider.isEnabled()) { - return true; - } else { - return super.onKeyUp(keyCode, event); + MediaRouteChooserDialog dialog = (MediaRouteChooserDialog)getDialog(); + if (dialog != null) { + dialog.setExtendedSettingsClickListener(listener); } } } /** - * Implemented by the MediaRouteButton that launched this dialog + * Called when the chooser dialog is being created. + * <p> + * Subclasses may override this method to customize the dialog. + * </p> */ - public interface LauncherListener { - public void onDetached(MediaRouteChooserDialogFragment detachedFragment); + public MediaRouteChooserDialog onCreateChooserDialog( + Context context, Bundle savedInstanceState) { + return new MediaRouteChooserDialog(context, getTheme()); } - class VolumeSliderChangeListener implements SeekBar.OnSeekBarChangeListener { - - @Override - public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { - changeVolume(progress); - } - - @Override - public void onStartTrackingTouch(SeekBar seekBar) { - mIgnoreCallbackVolumeChanges = true; - } - - @Override - public void onStopTrackingTouch(SeekBar seekBar) { - mIgnoreCallbackVolumeChanges = false; - updateVolume(); - } - + @Override + public Dialog onCreateDialog(Bundle savedInstanceState) { + MediaRouteChooserDialog dialog = onCreateChooserDialog(getActivity(), savedInstanceState); + dialog.setRouteTypes(getRouteTypes()); + dialog.setExtendedSettingsClickListener(mExtendedSettingsClickListener); + return dialog; } } |