diff options
Diffstat (limited to 'src/com/android/launcher3/allapps/AllAppsGridAdapter.java')
| -rw-r--r-- | src/com/android/launcher3/allapps/AllAppsGridAdapter.java | 160 |
1 files changed, 132 insertions, 28 deletions
diff --git a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java index 057883cab..1f95133d4 100644 --- a/src/com/android/launcher3/allapps/AllAppsGridAdapter.java +++ b/src/com/android/launcher3/allapps/AllAppsGridAdapter.java @@ -16,21 +16,30 @@ package com.android.launcher3.allapps; import android.content.Context; +import android.content.Intent; +import android.content.pm.PackageManager; +import android.content.pm.ResolveInfo; import android.content.res.Resources; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.PointF; import android.graphics.Rect; -import android.os.Handler; +import android.graphics.drawable.Drawable; +import android.support.v4.view.accessibility.AccessibilityRecordCompat; +import android.support.v4.view.accessibility.AccessibilityEventCompat; +import android.net.Uri; import android.support.v7.widget.GridLayoutManager; import android.support.v7.widget.RecyclerView; +import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.ViewConfiguration; import android.view.ViewGroup; +import android.view.accessibility.AccessibilityEvent; import android.widget.TextView; import com.android.launcher3.AppInfo; import com.android.launcher3.BubbleTextView; +import com.android.launcher3.Launcher; import com.android.launcher3.R; import com.android.launcher3.Utilities; import com.android.launcher3.util.Thunk; @@ -42,7 +51,7 @@ import java.util.List; /** * The grid view adapter of all the apps. */ -class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHolder> { +public class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHolder> { public static final String TAG = "AppsGridAdapter"; private static final boolean DEBUG = false; @@ -55,6 +64,10 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol public static final int PREDICTION_ICON_VIEW_TYPE = 2; // The message shown when there are no filtered results public static final int EMPTY_SEARCH_VIEW_TYPE = 3; + // A divider that separates the apps list and the search market button + public static final int SEARCH_MARKET_DIVIDER_VIEW_TYPE = 4; + // The message to continue to a market search when there are no filtered results + public static final int SEARCH_MARKET_VIEW_TYPE = 5; /** * ViewHolder for each icon. @@ -69,6 +82,38 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol } /** + * A subclass of GridLayoutManager that overrides accessibility values during app search. + */ + public class AppsGridLayoutManager extends GridLayoutManager { + + public AppsGridLayoutManager(Context context) { + super(context, 1, GridLayoutManager.VERTICAL, false); + } + + @Override + public void onInitializeAccessibilityEvent(AccessibilityEvent event) { + super.onInitializeAccessibilityEvent(event); + + // Ensure that we only report the number apps for accessibility not including other + // adapter views + final AccessibilityRecordCompat record = AccessibilityEventCompat + .asRecord(event); + record.setItemCount(mApps.getNumFilteredApps()); + } + + @Override + public int getRowCountForAccessibility(RecyclerView.Recycler recycler, + RecyclerView.State state) { + if (mApps.hasNoFilteredResults()) { + // Disregard the no-search-results text as a list item for accessibility + return 0; + } else { + return super.getRowCountForAccessibility(recycler, state); + } + } + } + + /** * Helper class to size the grid items. */ public class GridSpanSizer extends GridLayoutManager.SpanSizeLookup { @@ -80,11 +125,6 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol @Override public int getSpanSize(int position) { - if (mApps.hasNoFilteredResults()) { - // Empty view spans full width - return mAppsPerRow; - } - switch (mApps.getAdapterItems().get(position).viewType) { case AllAppsGridAdapter.ICON_VIEW_TYPE: case AllAppsGridAdapter.PREDICTION_ICON_VIEW_TYPE: @@ -279,6 +319,7 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol } } + private Launcher mLauncher; private LayoutInflater mLayoutInflater; @Thunk AlphabeticalAppsList mApps; private GridLayoutManager mGridLayoutMgr; @@ -291,7 +332,19 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol @Thunk int mPredictionBarDividerOffset; @Thunk int mAppsPerRow; @Thunk boolean mIsRtl; - private String mEmptySearchText; + + // The text to show when there are no search results and no market search handler. + private String mEmptySearchMessage; + // The name of the market app which handles searches, to be used in the format str + // below when updating the search-market view. Only needs to be loaded once. + private String mMarketAppName; + // The text to show when there is a market app which can handle a specific query, updated + // each time the search query changes. + private String mMarketSearchMessage; + // The intent to send off to the market app, updated each time the search query changes. + private Intent mMarketSearchIntent; + // The last query that the user entered into the search field + private String mLastSearchQuery; // Section drawing @Thunk int mSectionNamesMargin; @@ -299,16 +352,18 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol @Thunk Paint mSectionTextPaint; @Thunk Paint mPredictedAppsDividerPaint; - public AllAppsGridAdapter(Context context, AlphabeticalAppsList apps, + public AllAppsGridAdapter(Launcher launcher, AlphabeticalAppsList apps, View.OnTouchListener touchListener, View.OnClickListener iconClickListener, View.OnLongClickListener iconLongClickListener) { - Resources res = context.getResources(); + Resources res = launcher.getResources(); + mLauncher = launcher; mApps = apps; + mEmptySearchMessage = res.getString(R.string.all_apps_loading_message); mGridSizer = new GridSpanSizer(); - mGridLayoutMgr = new GridLayoutManager(context, 1, GridLayoutManager.VERTICAL, false); + mGridLayoutMgr = new AppsGridLayoutManager(launcher); mGridLayoutMgr.setSpanSizeLookup(mGridSizer); mItemDecoration = new GridItemDecoration(); - mLayoutInflater = LayoutInflater.from(context); + mLayoutInflater = LayoutInflater.from(launcher); mTouchListener = touchListener; mIconClickListener = iconClickListener; mIconLongClickListener = iconLongClickListener; @@ -328,6 +383,14 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol mPredictionBarDividerOffset = (-res.getDimensionPixelSize(R.dimen.all_apps_prediction_icon_bottom_padding) + res.getDimensionPixelSize(R.dimen.all_apps_icon_top_bottom_padding)) / 2; + + // Resolve the market app handling additional searches + PackageManager pm = launcher.getPackageManager(); + ResolveInfo marketInfo = pm.resolveActivity(createMarketSearchIntent(""), + PackageManager.MATCH_DEFAULT_ONLY); + if (marketInfo != null) { + mMarketAppName = marketInfo.loadLabel(pm).toString(); + } } /** @@ -346,10 +409,19 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol } /** - * Sets the text to show when there are no apps. + * Sets the last search query that was made, used to show when there are no results and to also + * seed the intent for searching the market. */ - public void setEmptySearchText(String query) { - mEmptySearchText = query; + public void setLastSearchQuery(String query) { + Resources res = mLauncher.getResources(); + String formatStr = res.getString(R.string.all_apps_no_search_results); + mLastSearchQuery = query; + mEmptySearchMessage = String.format(formatStr, query); + if (mMarketAppName != null) { + mMarketSearchMessage = String.format(res.getString(R.string.all_apps_search_market_message), + mMarketAppName); + mMarketSearchIntent = createMarketSearchIntent(query); + } } /** @@ -378,9 +450,6 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol @Override public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { switch (viewType) { - case EMPTY_SEARCH_VIEW_TYPE: - return new ViewHolder(mLayoutInflater.inflate(R.layout.all_apps_empty_search, parent, - false)); case SECTION_BREAK_VIEW_TYPE: return new ViewHolder(new View(parent.getContext())); case ICON_VIEW_TYPE: { @@ -405,6 +474,22 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol icon.setFocusable(true); return new ViewHolder(icon); } + case EMPTY_SEARCH_VIEW_TYPE: + return new ViewHolder(mLayoutInflater.inflate(R.layout.all_apps_empty_search, + parent, false)); + case SEARCH_MARKET_DIVIDER_VIEW_TYPE: + return new ViewHolder(mLayoutInflater.inflate(R.layout.all_apps_search_market_divider, + parent, false)); + case SEARCH_MARKET_VIEW_TYPE: + View searchMarketView = mLayoutInflater.inflate(R.layout.all_apps_search_market, + parent, false); + searchMarketView.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + mLauncher.startSearchFromAllApps(v, mMarketSearchIntent, mLastSearchQuery); + } + }); + return new ViewHolder(searchMarketView); default: throw new RuntimeException("Unexpected view type"); } @@ -426,28 +511,47 @@ class AllAppsGridAdapter extends RecyclerView.Adapter<AllAppsGridAdapter.ViewHol break; } case EMPTY_SEARCH_VIEW_TYPE: - TextView emptyViewText = (TextView) holder.mContent.findViewById(R.id.empty_text); - emptyViewText.setText(mEmptySearchText); + TextView emptyViewText = (TextView) holder.mContent; + emptyViewText.setText(mEmptySearchMessage); + emptyViewText.setGravity(mApps.hasNoFilteredResults() ? Gravity.CENTER : + Gravity.START | Gravity.CENTER_VERTICAL); + break; + case SEARCH_MARKET_VIEW_TYPE: + TextView searchView = (TextView) holder.mContent; + if (mMarketSearchIntent != null) { + searchView.setVisibility(View.VISIBLE); + searchView.setContentDescription(mMarketSearchMessage); + searchView.setGravity(mApps.hasNoFilteredResults() ? Gravity.CENTER : + Gravity.START | Gravity.CENTER_VERTICAL); + searchView.setText(mMarketSearchMessage); + } else { + searchView.setVisibility(View.GONE); + } break; } } @Override public int getItemCount() { - if (mApps.hasNoFilteredResults()) { - // For the empty view - return 1; - } return mApps.getAdapterItems().size(); } @Override public int getItemViewType(int position) { - if (mApps.hasNoFilteredResults()) { - return EMPTY_SEARCH_VIEW_TYPE; - } - AlphabeticalAppsList.AdapterItem item = mApps.getAdapterItems().get(position); return item.viewType; } + + /** + * Creates a new market search intent. + */ + private Intent createMarketSearchIntent(String query) { + Uri marketSearchUri = Uri.parse("market://search") + .buildUpon() + .appendQueryParameter("q", query) + .build(); + Intent marketSearchIntent = new Intent(Intent.ACTION_VIEW); + marketSearchIntent.setData(marketSearchUri); + return marketSearchIntent; + } } |