Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.documentsui; |
| 18 | |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 19 | import static com.android.documentsui.DirectoryFragment.getCursorString; |
| 20 | |
| 21 | import android.app.ActionBar; |
| 22 | import android.app.ActionBar.OnNavigationListener; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 23 | import android.app.Activity; |
| 24 | import android.app.FragmentManager; |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 25 | import android.app.FragmentManager.BackStackEntry; |
| 26 | import android.app.FragmentManager.OnBackStackChangedListener; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 27 | import android.content.Context; |
| 28 | import android.content.Intent; |
| 29 | import android.content.pm.PackageManager; |
| 30 | import android.content.pm.ProviderInfo; |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 31 | import android.content.pm.ResolveInfo; |
| 32 | import android.database.Cursor; |
| 33 | import android.graphics.drawable.Drawable; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 34 | import android.net.Uri; |
| 35 | import android.os.Bundle; |
| 36 | import android.provider.DocumentsContract; |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 37 | import android.provider.DocumentsContract.DocumentColumns; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 38 | import android.util.Log; |
| 39 | import android.view.LayoutInflater; |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 40 | import android.view.Menu; |
| 41 | import android.view.MenuItem; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 42 | import android.view.View; |
| 43 | import android.view.ViewGroup; |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 44 | import android.widget.BaseAdapter; |
| 45 | import android.widget.TextView; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 46 | |
| 47 | public class DocumentsActivity extends Activity { |
| 48 | private static final String TAG = "Documents"; |
| 49 | |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 50 | // TODO: fragment to show recently opened documents |
| 51 | // TODO: pull actionbar icon from current backend |
| 52 | |
| 53 | private static final int MODE_OPEN = 1; |
| 54 | private static final int MODE_CREATE = 2; |
| 55 | |
| 56 | private int mMode; |
| 57 | private boolean mIgnoreNextNavigation; |
| 58 | |
| 59 | private Uri mCurrentDir; |
| 60 | private boolean mCurrentSupportsCreate; |
| 61 | |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 62 | @Override |
| 63 | public void onCreate(Bundle icicle) { |
| 64 | super.onCreate(icicle); |
| 65 | |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 66 | final String action = getIntent().getAction(); |
| 67 | if (Intent.ACTION_OPEN_DOCUMENT.equals(action)) { |
| 68 | mMode = MODE_OPEN; |
| 69 | } else if (Intent.ACTION_CREATE_DOCUMENT.equals(action)) { |
| 70 | mMode = MODE_CREATE; |
| 71 | } |
| 72 | |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 73 | setResult(Activity.RESULT_CANCELED); |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 74 | setContentView(R.layout.activity); |
| 75 | |
| 76 | getFragmentManager().addOnBackStackChangedListener(mStackListener); |
| 77 | BackendFragment.show(getFragmentManager()); |
| 78 | |
| 79 | updateActionBar(); |
| 80 | |
| 81 | if (mMode == MODE_CREATE) { |
| 82 | final String mimeType = getIntent().getType(); |
| 83 | final String title = getIntent().getStringExtra(Intent.EXTRA_TITLE); |
| 84 | SaveFragment.show(getFragmentManager(), mimeType, title); |
| 85 | } |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 86 | } |
| 87 | |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 88 | public void updateActionBar() { |
| 89 | final FragmentManager fm = getFragmentManager(); |
| 90 | final ActionBar actionBar = getActionBar(); |
| 91 | |
| 92 | if (fm.getBackStackEntryCount() > 0) { |
| 93 | actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST); |
| 94 | actionBar.setDisplayShowHomeEnabled(true); |
| 95 | actionBar.setDisplayHomeAsUpEnabled(true); |
| 96 | actionBar.setTitle(null); |
| 97 | actionBar.setListNavigationCallbacks(mStackAdapter, mNavigationListener); |
| 98 | actionBar.setSelectedNavigationItem(mStackAdapter.getCount() - 1); |
| 99 | mIgnoreNextNavigation = true; |
| 100 | |
| 101 | } else { |
| 102 | actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD); |
| 103 | actionBar.setDisplayShowHomeEnabled(false); |
| 104 | actionBar.setDisplayHomeAsUpEnabled(false); |
| 105 | |
| 106 | if (mMode == MODE_OPEN) { |
| 107 | actionBar.setTitle(R.string.title_open); |
| 108 | } else if (mMode == MODE_CREATE) { |
| 109 | actionBar.setTitle(R.string.title_save); |
| 110 | } |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | @Override |
| 115 | public boolean onCreateOptionsMenu(Menu menu) { |
| 116 | super.onCreateOptionsMenu(menu); |
| 117 | getMenuInflater().inflate(R.menu.activity, menu); |
| 118 | return true; |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | public boolean onPrepareOptionsMenu(Menu menu) { |
| 123 | super.onPrepareOptionsMenu(menu); |
| 124 | |
| 125 | final MenuItem createDir = menu.findItem(R.id.menu_create_dir); |
| 126 | createDir.setVisible(mMode == MODE_CREATE); |
| 127 | createDir.setEnabled(mCurrentSupportsCreate); |
| 128 | |
| 129 | return true; |
| 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public boolean onOptionsItemSelected(MenuItem item) { |
| 134 | final int id = item.getItemId(); |
| 135 | if (id == android.R.id.home) { |
| 136 | getFragmentManager().popBackStack(); |
| 137 | updateActionBar(); |
| 138 | } else if (id == R.id.menu_create_dir) { |
| 139 | // TODO: show dialog to create directory |
| 140 | } |
| 141 | return super.onOptionsItemSelected(item); |
| 142 | } |
| 143 | |
| 144 | private OnBackStackChangedListener mStackListener = new OnBackStackChangedListener() { |
| 145 | @Override |
| 146 | public void onBackStackChanged() { |
| 147 | updateActionBar(); |
| 148 | } |
| 149 | }; |
| 150 | |
| 151 | private BaseAdapter mStackAdapter = new BaseAdapter() { |
| 152 | @Override |
| 153 | public int getCount() { |
| 154 | return getFragmentManager().getBackStackEntryCount(); |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public Object getItem(int position) { |
| 159 | return getFragmentManager().getBackStackEntryAt(position); |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public long getItemId(int position) { |
| 164 | return getFragmentManager().getBackStackEntryAt(position).getId(); |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | public View getView(int position, View convertView, ViewGroup parent) { |
| 169 | if (convertView == null) { |
| 170 | convertView = LayoutInflater.from(parent.getContext()) |
| 171 | .inflate(android.R.layout.simple_dropdown_item_1line, parent, false); |
| 172 | } |
| 173 | |
| 174 | final BackStackEntry entry = getFragmentManager().getBackStackEntryAt(position); |
| 175 | final TextView text1 = (TextView) convertView.findViewById(android.R.id.text1); |
| 176 | text1.setText(entry.getBreadCrumbTitle()); |
| 177 | |
| 178 | return convertView; |
| 179 | } |
| 180 | }; |
| 181 | |
| 182 | private OnNavigationListener mNavigationListener = new OnNavigationListener() { |
| 183 | @Override |
| 184 | public boolean onNavigationItemSelected(int itemPosition, long itemId) { |
| 185 | if (mIgnoreNextNavigation) { |
| 186 | mIgnoreNextNavigation = false; |
| 187 | return false; |
| 188 | } |
| 189 | |
| 190 | getFragmentManager().popBackStack((int) itemId, 0); |
| 191 | return true; |
| 192 | } |
| 193 | }; |
| 194 | |
| 195 | public void onDirectoryChanged(Uri uri, int flags) { |
| 196 | mCurrentDir = uri; |
| 197 | mCurrentSupportsCreate = (flags & DocumentsContract.FLAG_SUPPORTS_CREATE) != 0; |
| 198 | |
| 199 | if (mMode == MODE_CREATE) { |
| 200 | final FragmentManager fm = getFragmentManager(); |
| 201 | SaveFragment.get(fm).setSaveEnabled(mCurrentSupportsCreate); |
| 202 | } |
| 203 | |
| 204 | invalidateOptionsMenu(); |
| 205 | } |
| 206 | |
| 207 | public void onBackendPicked(ProviderInfo info) { |
| 208 | final Uri uri = DocumentsContract.buildDocumentUri( |
| 209 | info.authority, DocumentsContract.ROOT_GUID); |
| 210 | final CharSequence displayName = info.loadLabel(getPackageManager()); |
| 211 | DirectoryFragment.show(getFragmentManager(), uri, displayName.toString()); |
| 212 | } |
| 213 | |
| 214 | public void onDocumentPicked(Document doc) { |
| 215 | final FragmentManager fm = getFragmentManager(); |
| 216 | if (DocumentsContract.MIME_TYPE_DIRECTORY.equals(doc.mimeType)) { |
| 217 | // Nested directory picked, recurse using new fragment |
| 218 | DirectoryFragment.show(fm, doc.uri, doc.displayName); |
| 219 | } else if (mMode == MODE_OPEN) { |
| 220 | // Explicit file picked, return |
| 221 | onFinished(doc.uri); |
| 222 | } else if (mMode == MODE_CREATE) { |
| 223 | // Overwrite current filename |
| 224 | SaveFragment.get(fm).setDisplayName(doc.displayName); |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | public void onSaveRequested(String mimeType, String displayName) { |
| 229 | // TODO: create file, confirming before overwriting |
| 230 | onFinished(null); |
| 231 | } |
| 232 | |
| 233 | private void onFinished(Uri uri) { |
| 234 | Log.d(TAG, "onFinished() " + uri); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 235 | |
| 236 | final Intent intent = new Intent(); |
| 237 | intent.setData(uri); |
| 238 | |
| 239 | intent.addFlags( |
| 240 | Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_PERSIST_GRANT_URI_PERMISSION); |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 241 | if (mMode == MODE_CREATE) { |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 242 | intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION); |
| 243 | } |
| 244 | |
| 245 | setResult(Activity.RESULT_OK, intent); |
| 246 | finish(); |
| 247 | } |
| 248 | |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 249 | public static class Document { |
| 250 | public Uri uri; |
| 251 | public String mimeType; |
| 252 | public String displayName; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 253 | |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 254 | public static Document fromCursor(String authority, Cursor cursor) { |
| 255 | final Document doc = new Document(); |
| 256 | final String guid = getCursorString(cursor, DocumentColumns.GUID); |
| 257 | doc.uri = DocumentsContract.buildDocumentUri(authority, guid); |
| 258 | doc.mimeType = getCursorString(cursor, DocumentColumns.MIME_TYPE); |
| 259 | doc.displayName = getCursorString(cursor, DocumentColumns.DISPLAY_NAME); |
| 260 | return doc; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 261 | } |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 262 | } |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 263 | |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 264 | public static Drawable resolveDocumentIcon(Context context, String mimeType) { |
| 265 | // TODO: allow backends to provide custom MIME icons |
| 266 | if (DocumentsContract.MIME_TYPE_DIRECTORY.equals(mimeType)) { |
| 267 | return context.getResources().getDrawable(R.drawable.ic_dir); |
| 268 | } else { |
| 269 | final PackageManager pm = context.getPackageManager(); |
| 270 | final Intent intent = new Intent(Intent.ACTION_VIEW); |
| 271 | intent.setType(mimeType); |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 272 | |
Jeff Sharkey | 54e55b7 | 2013-06-30 20:02:59 -0700 | [diff] [blame^] | 273 | final ResolveInfo info = pm.resolveActivity( |
| 274 | intent, PackageManager.MATCH_DEFAULT_ONLY); |
| 275 | if (info != null) { |
| 276 | return info.loadIcon(pm); |
| 277 | } else { |
| 278 | return null; |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 279 | } |
Jeff Sharkey | 9e0036e | 2013-04-26 16:54:55 -0700 | [diff] [blame] | 280 | } |
| 281 | } |
| 282 | } |