Merge "Automatically open roots pane if default dir is empty." into nyc-dev (30ff5dd2) · Commits · e / os / android_frameworks_base

packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -216,7 +216,9 @@ public abstract class BaseActivity extends Activity
		return state;
		}

		void onStackRestored(boolean restored, boolean external) {}
		public void setRootsDrawerOpen(boolean open) {
		mNavigator.revealRootsDrawer(open);
		}

		void onRootPicked(RootInfo root) {
		// Skip refreshing if root nor directory didn't change

packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java

+1 −7

Original line number	Diff line number	Diff line
		@@ -32,7 +32,6 @@ import android.content.ComponentName;
		import android.content.ContentProviderClient;
		import android.content.ContentResolver;
		import android.content.ContentValues;
		import android.content.Context;
		import android.content.Intent;
		import android.content.pm.ResolveInfo;
		import android.content.res.Resources;
		@@ -141,8 +140,7 @@ public class DocumentsActivity extends BaseActivity {
		}
		}

		@Override
		void onStackRestored(boolean restored, boolean external) {
		private void onStackRestored(boolean restored, boolean external) {
		// Show drawer when no stack restored, but only when requesting
		// non-visual content. However, if we last used an external app,
		// drawer is always shown.
		@@ -329,10 +327,6 @@ public class DocumentsActivity extends BaseActivity {
		mNavigator.revealRootsDrawer(false);
		}

		public void setRootsDrawerOpen(boolean open) {
		mNavigator.revealRootsDrawer(open);
		}

		@Override
		public void onDocumentPicked(DocumentInfo doc, SiblingProvider siblings) {
		final FragmentManager fm = getFragmentManager();

packages/DocumentsUI/src/com/android/documentsui/State.java

+25 −0

Original line number	Diff line number	Diff line
		@@ -16,10 +16,13 @@

		package com.android.documentsui;

		import static com.android.documentsui.Shared.DEBUG;

		import android.annotation.IntDef;
		import android.content.Intent;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.util.Log;
		import android.util.SparseArray;

		import com.android.documentsui.model.DocumentInfo;
		@@ -35,6 +38,8 @@ import java.util.List;

		public class State implements android.os.Parcelable {

		private static final String TAG = "State";

		public static final int ACTION_OPEN = 1;
		public static final int ACTION_CREATE = 2;
		public static final int ACTION_GET_CONTENT = 3;
		@@ -85,6 +90,8 @@ public class State implements android.os.Parcelable {
		/** Current user navigation stack; empty implies recents. */
		public DocumentStack stack = new DocumentStack();
		private boolean mStackTouched;
		private boolean mInitialRootChanged;
		private boolean mInitialDocChanged;

		/** Currently active search, overriding any stack. */
		public String currentSearch;
		@@ -108,22 +115,32 @@ public class State implements android.os.Parcelable {
		}

		public void onRootChanged(RootInfo root) {
		if (DEBUG) Log.d(TAG, "Root changed to: " + root);
		if (!mInitialRootChanged && stack.root != null && !root.equals(stack.root)) {
		mInitialRootChanged = true;
		}
		stack.root = root;
		stack.clear();
		mStackTouched = true;
		}

		public void pushDocument(DocumentInfo info) {
		if (DEBUG) Log.d(TAG, "Adding doc to stack: " + info);
		if (!mInitialDocChanged && stack.size() > 0 && !info.equals(stack.peek())) {
		mInitialDocChanged = true;
		}
		stack.push(info);
		mStackTouched = true;
		}

		public void popDocument() {
		if (DEBUG) Log.d(TAG, "Popping doc off stack.");
		stack.pop();
		mStackTouched = true;
		}

		public void setStack(DocumentStack stack) {
		if (DEBUG) Log.d(TAG, "Setting the whole darn stack to: " + stack);
		this.stack = stack;
		mStackTouched = true;
		}
		@@ -132,6 +149,10 @@ public class State implements android.os.Parcelable {
		return mStackTouched;
		}

		public boolean initialiLocationHasChanged() {
		return mInitialRootChanged \|\| mInitialDocChanged;
		}

		@Override
		public int describeContents() {
		return 0;
		@@ -156,6 +177,8 @@ public class State implements android.os.Parcelable {
		out.writeList(excludedAuthorities);
		out.writeInt(openableOnly ? 1 : 0);
		out.writeInt(mStackTouched ? 1 : 0);
		out.writeInt(mInitialRootChanged ? 1 : 0);
		out.writeInt(mInitialDocChanged ? 1 : 0);
		}

		public static final ClassLoaderCreator<State> CREATOR = new ClassLoaderCreator<State>() {
		@@ -184,6 +207,8 @@ public class State implements android.os.Parcelable {
		in.readList(state.excludedAuthorities, loader);
		state.openableOnly = in.readInt() != 0;
		state.mStackTouched = in.readInt() != 0;
		state.mInitialRootChanged = in.readInt() != 0;
		state.mInitialDocChanged = in.readInt() != 0;
		return state;
		}

packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java

+15 −8

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import static com.android.internal.util.Preconditions.checkNotNull;
		import static com.android.internal.util.Preconditions.checkState;
		import static com.google.common.base.Preconditions.checkArgument;

		import android.annotation.IntDef;
		import android.annotation.StringRes;
		import android.app.Activity;
		import android.app.ActivityManager;
		@@ -100,8 +101,11 @@ import com.android.documentsui.model.RootInfo;
		import com.android.documentsui.services.FileOperationService;
		import com.android.documentsui.services.FileOperationService.OpType;
		import com.android.documentsui.services.FileOperations;

		import com.google.common.collect.Lists;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.util.ArrayList;
		import java.util.Collections;
		import java.util.List;
		@@ -111,6 +115,13 @@ import java.util.List;
		*/
		public class DirectoryFragment extends Fragment implements DocumentsAdapter.Environment {

		@IntDef(flag = true, value = {
		TYPE_NORMAL,
		TYPE_SEARCH,
		TYPE_RECENT_OPEN
		})
		@Retention(RetentionPolicy.SOURCE)
		public @interface ResultType {}
		public static final int TYPE_NORMAL = 1;
		public static final int TYPE_SEARCH = 2;
		public static final int TYPE_RECENT_OPEN = 3;
		@@ -147,7 +158,7 @@ public class DirectoryFragment extends Fragment implements DocumentsAdapter.Envi
		private RecyclerView mRecView;
		private ListeningGestureDetector mGestureDetector;

		private int mType = TYPE_NORMAL;
		private @ResultType int mType = TYPE_NORMAL;
		private String mStateKey;

		private int mLastSortOrder = SORT_ORDER_UNKNOWN;
		@@ -251,7 +262,7 @@ public class DirectoryFragment extends Fragment implements DocumentsAdapter.Envi
		mType = getArguments().getInt(EXTRA_TYPE);
		mStateKey = buildStateKey(root, doc);

		mTuner = FragmentTuner.pick(state);
		mTuner = FragmentTuner.pick(getContext(), state);
		mClipper = new DocumentClipper(context);

		boolean hideGridTitles;
		@@ -309,12 +320,6 @@ public class DirectoryFragment extends Fragment implements DocumentsAdapter.Envi

		updateDisplayState();

		// When launched into empty recents, show drawer
		if (mType == TYPE_RECENT_OPEN && mModel.isEmpty() && !state.hasLocationChanged() &&
		context instanceof DocumentsActivity) {
		((DocumentsActivity) context).setRootsDrawerOpen(true);
		}

		// Restore any previous instance state
		final SparseArray<Parcelable> container = state.dirState.remove(mStateKey);
		if (container != null && !getArguments().getBoolean(EXTRA_IGNORE_STATE, false)) {
		@@ -327,6 +332,8 @@ public class DirectoryFragment extends Fragment implements DocumentsAdapter.Envi
		}

		mLastSortOrder = state.derivedSortOrder;

		mTuner.onModelLoaded(mModel, mType);
		}

		@Override

packages/DocumentsUI/src/com/android/documentsui/dirlist/FragmentTuner.java

+55 −16

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.documentsui.dirlist;

		import static com.android.documentsui.Shared.DEBUG;
		import static com.android.documentsui.State.ACTION_BROWSE;
		import static com.android.documentsui.State.ACTION_CREATE;
		import static com.android.documentsui.State.ACTION_GET_CONTENT;
		@@ -24,36 +25,43 @@ import static com.android.documentsui.State.ACTION_OPEN;
		import static com.android.documentsui.State.ACTION_OPEN_TREE;
		import static com.android.internal.util.Preconditions.checkArgument;

		import com.android.documentsui.Menus;
		import com.android.documentsui.MimePredicate;
		import com.android.documentsui.R;
		import com.android.documentsui.State;

		import android.content.Context;
		import android.os.SystemProperties;
		import android.provider.DocumentsContract.Document;
		import android.util.Log;
		import android.view.Menu;
		import android.view.MenuItem;

		import com.android.documentsui.DocumentsActivity;
		import com.android.documentsui.FilesActivity;
		import com.android.documentsui.Menus;
		import com.android.documentsui.MimePredicate;
		import com.android.documentsui.R;
		import com.android.documentsui.State;
		import com.android.documentsui.dirlist.DirectoryFragment.ResultType;

		/**
		* Providers support for specializing the DirectoryFragment to the "host" Activity.
		* Feel free to expand the role of this class to handle other specializations.
		*/
		public abstract class FragmentTuner {

		final Context mContext;
		final State mState;

		public FragmentTuner(State state) {
		public FragmentTuner(Context context, State state) {
		mContext = context;
		mState = state;
		}

		public static FragmentTuner pick(State state) {
		public static FragmentTuner pick(Context context, State state) {
		switch (state.action) {
		case ACTION_BROWSE:
		return new FilesTuner(state);
		return new FilesTuner(context, state);
		case ACTION_MANAGE:
		return new DownloadsTuner(state);
		return new DownloadsTuner(context, state);
		default:
		return new DocumentsTuner(state);
		return new DocumentsTuner(context, state);
		}
		}

		@@ -76,13 +84,15 @@ public abstract class FragmentTuner {
		return MimePredicate.mimeMatches(mState.acceptMimes, docMimeType);
		}

		abstract void onModelLoaded(Model model, @ResultType int resultType);

		/**
		* Provides support for Platform specific specializations of DirectoryFragment.
		*/
		private static final class DocumentsTuner extends FragmentTuner {

		public DocumentsTuner(State state) {
		super(state);
		public DocumentsTuner(Context context, State state) {
		super(context, state);
		}

		@Override
		@@ -154,6 +164,16 @@ public abstract class FragmentTuner {
		moveTo.setEnabled(moveEnabled);
		rename.setVisible(false);
		}

		@Override
		void onModelLoaded(Model model, @ResultType int resultType) {
		// When launched into empty recents, show drawer
		if (resultType == DirectoryFragment.TYPE_RECENT_OPEN
		&& model.isEmpty()
		&& !mState.hasLocationChanged()) {
		((DocumentsActivity) mContext).setRootsDrawerOpen(true);
		}
		}
		}

		/**
		@@ -161,8 +181,8 @@ public abstract class FragmentTuner {
		*/
		private static final class DownloadsTuner extends FragmentTuner {

		public DownloadsTuner(State state) {
		super(state);
		public DownloadsTuner(Context context, State state) {
		super(context, state);
		}

		@Override
		@@ -189,6 +209,9 @@ public abstract class FragmentTuner {
		moveTo.setEnabled(moveEnabled);
		rename.setVisible(false);
		}

		@Override
		void onModelLoaded(Model model, @ResultType int resultType) {}
		}

		/**
		@@ -196,8 +219,10 @@ public abstract class FragmentTuner {
		*/
		private static final class FilesTuner extends FragmentTuner {

		public FilesTuner(State state) {
		super(state);
		private static final String TAG = "FilesTuner";

		public FilesTuner(Context context, State state) {
		super(context, state);
		}

		@Override
		@@ -221,9 +246,23 @@ public abstract class FragmentTuner {

		Menus.disableHiddenItems(menu, copy, paste);
		}

		@Override
		void onModelLoaded(Model model, @ResultType int resultType) {
		if (DEBUG) Log.d(TAG, "Handling model loaded. Has Location shcnage: " + mState.initialiLocationHasChanged());
		// When launched into empty root, open drawer.
		if (model.isEmpty() && !mState.initialiLocationHasChanged()) {
		if (DEBUG) Log.d(TAG, "Showing roots drawer cuz stuffs empty.");

		// This noops on layouts without drawer, so no need to guard.
		((FilesActivity) mContext).setRootsDrawerOpen(true);
		}
		if (DEBUG) Log.d(TAG, "Donezo.");
		}
		}

		private static boolean isDirectory(String mimeType) {
		return Document.MIME_TYPE_DIR.equals(mimeType);
		}

		}