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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 package org.chromium.chrome.browser.webapps; |
| 6 |
| 7 import android.content.Context; |
| 8 import android.content.Intent; |
| 9 import android.net.Uri; |
| 10 import android.os.Bundle; |
| 11 import android.text.TextUtils; |
| 12 import android.util.Log; |
| 13 import android.view.ContextMenu; |
| 14 import android.view.Menu; |
| 15 |
| 16 import com.google.android.apps.chrome.R; |
| 17 |
| 18 import org.chromium.base.annotations.SuppressFBWarnings; |
| 19 import org.chromium.chrome.browser.ChromeActivity; |
| 20 import org.chromium.chrome.browser.IntentHandler; |
| 21 import org.chromium.chrome.browser.ShortcutHelper; |
| 22 import org.chromium.chrome.browser.Tab; |
| 23 import org.chromium.chrome.browser.TabState; |
| 24 import org.chromium.chrome.browser.TabUma.TabCreationState; |
| 25 import org.chromium.chrome.browser.UrlUtilities; |
| 26 import org.chromium.chrome.browser.compositor.layouts.content.TabContentManager; |
| 27 import org.chromium.chrome.browser.contextmenu.ContextMenuHelper; |
| 28 import org.chromium.chrome.browser.contextmenu.ContextMenuParams; |
| 29 import org.chromium.chrome.browser.contextmenu.ContextMenuPopulator; |
| 30 import org.chromium.chrome.browser.document.ChromeLauncherActivity; |
| 31 import org.chromium.chrome.browser.tab.ChromeTab; |
| 32 import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType; |
| 33 import org.chromium.chrome.browser.util.StreamUtil; |
| 34 import org.chromium.content_public.browser.LoadUrlParams; |
| 35 import org.chromium.content_public.browser.WebContents; |
| 36 import org.chromium.content_public.browser.WebContentsObserver; |
| 37 import org.chromium.ui.base.Clipboard; |
| 38 import org.chromium.ui.base.PageTransition; |
| 39 import org.chromium.ui.base.WindowAndroid; |
| 40 |
| 41 import java.io.File; |
| 42 import java.io.FileInputStream; |
| 43 import java.io.FileNotFoundException; |
| 44 import java.io.FileOutputStream; |
| 45 import java.io.IOException; |
| 46 import java.net.URI; |
| 47 |
| 48 /** |
| 49 * A tab that will be used for FullScreenActivity. See {@link FullScreenActivity
} for more. |
| 50 */ |
| 51 @SuppressFBWarnings("URF_UNREAD_FIELD") |
| 52 public class FullScreenActivityTab extends ChromeTab { |
| 53 private static final String TAG = "FullScreenActivityTab"; |
| 54 |
| 55 /** |
| 56 * A delegate to determine top controls visibility. |
| 57 */ |
| 58 public interface TopControlsVisibilityDelegate { |
| 59 /** |
| 60 * Determines whether top controls should be shown. |
| 61 * |
| 62 * @param uri The URI to display. |
| 63 * @param securityLevel Security level of the Tab. |
| 64 * @return Whether the URL bar should be visible or not. |
| 65 */ |
| 66 boolean shouldShowTopControls(String uri, int securityLevel); |
| 67 } |
| 68 |
| 69 static final String BUNDLE_TAB_ID = "tabId"; |
| 70 static final String BUNDLE_TAB_URL = "tabUrl"; |
| 71 |
| 72 private WebContentsObserver mObserver; |
| 73 private TopControlsVisibilityDelegate mTopControlsVisibilityDelegate; |
| 74 |
| 75 private FullScreenActivityTab(ChromeActivity activity, WindowAndroid window, |
| 76 TopControlsVisibilityDelegate topControlsVisibilityDelegate) { |
| 77 super(INVALID_TAB_ID, activity, false, window, TabLaunchType.FROM_MENU_O
R_OVERVIEW, |
| 78 INVALID_TAB_ID, null, null); |
| 79 initializeFullScreenActivityTab( |
| 80 activity.getTabContentManager(), false, topControlsVisibilityDel
egate); |
| 81 } |
| 82 |
| 83 private FullScreenActivityTab(int id, ChromeActivity activity, WindowAndroid
window, |
| 84 TabState state, TopControlsVisibilityDelegate topControlsVisibilityD
elegate) { |
| 85 super(id, activity, false, window, TabLaunchType.FROM_RESTORE, Tab.INVAL
ID_TAB_ID, |
| 86 TabCreationState.FROZEN_ON_RESTORE, state); |
| 87 initializeFullScreenActivityTab( |
| 88 activity.getTabContentManager(), true, topControlsVisibilityDele
gate); |
| 89 } |
| 90 |
| 91 private void initializeFullScreenActivityTab(TabContentManager tabContentMan
ager, |
| 92 boolean unfreeze, TopControlsVisibilityDelegate topControlsVisibilit
yDelegate) { |
| 93 initialize(null, tabContentManager, false); |
| 94 if (unfreeze) unfreezeContents(); |
| 95 mObserver = createWebContentsObserver(); |
| 96 mTopControlsVisibilityDelegate = topControlsVisibilityDelegate; |
| 97 } |
| 98 |
| 99 /** |
| 100 * Saves the state of the tab out to the {@link Bundle}. |
| 101 */ |
| 102 void saveInstanceState(Bundle outState) { |
| 103 outState.putInt(BUNDLE_TAB_ID, getId()); |
| 104 outState.putString(BUNDLE_TAB_URL, getUrl()); |
| 105 } |
| 106 |
| 107 /** |
| 108 * @return WebContentsObserver that watches for changes. |
| 109 */ |
| 110 private WebContentsObserver createWebContentsObserver() { |
| 111 return new WebContentsObserver(getWebContents()) { |
| 112 @Override |
| 113 public void didCommitProvisionalLoadForFrame( |
| 114 long frameId, boolean isMainFrame, String url, int transitio
nType) { |
| 115 if (isMainFrame) { |
| 116 // Notify the renderer to permanently hide the top controls
since they do |
| 117 // not apply to fullscreen content views. |
| 118 updateTopControlsState(getTopControlsStateConstraints(), |
| 119 getTopControlsStateConstraints(), true); |
| 120 } |
| 121 } |
| 122 }; |
| 123 } |
| 124 |
| 125 @Override |
| 126 protected void initContentViewCore(WebContents webContents) { |
| 127 super.initContentViewCore(webContents); |
| 128 getContentViewCore().setFullscreenRequiredForOrientationLock(false); |
| 129 } |
| 130 |
| 131 /** |
| 132 * Loads the given {@code url}. |
| 133 * @param url URL to load. |
| 134 */ |
| 135 public void loadUrl(String url) { |
| 136 loadUrl(new LoadUrlParams(url, PageTransition.AUTO_TOPLEVEL)); |
| 137 } |
| 138 |
| 139 /** |
| 140 * Saves the tab data out to a file. |
| 141 */ |
| 142 void saveState(File activityDirectory) { |
| 143 File tabFile = getTabFile(activityDirectory, getId()); |
| 144 |
| 145 FileOutputStream foutput = null; |
| 146 try { |
| 147 foutput = new FileOutputStream(tabFile); |
| 148 TabState.saveState(foutput, getState(), false); |
| 149 } catch (FileNotFoundException exception) { |
| 150 Log.e(TAG, "Failed to save out tab state.", exception); |
| 151 } catch (IOException exception) { |
| 152 Log.e(TAG, "Failed to save out tab state.", exception); |
| 153 } finally { |
| 154 StreamUtil.closeQuietly(foutput); |
| 155 } |
| 156 } |
| 157 |
| 158 /** |
| 159 * @return {@link File} pointing at the tab state for this Activity. |
| 160 */ |
| 161 private static File getTabFile(File activityDirectory, int tabId) { |
| 162 return new File(activityDirectory, TabState.getTabStateFilename(tabId, f
alse)); |
| 163 } |
| 164 |
| 165 /** |
| 166 * Creates the {@link FullScreenActivityTab} used by the FullScreenActivity. |
| 167 * If the {@code savedInstanceState} exists, then the user did not intention
ally close the app |
| 168 * by swiping it away in the recent tasks list. In that case, we try to res
tore the tab from |
| 169 * disk. |
| 170 * @param activity Activity that will own the Tab. |
| 171 * @param directory Directory associated with the Activity. Null implies ta
b state isn't saved. |
| 172 * @param savedInstanceState Bundle saved out when the app was killed by And
roid. May be null. |
| 173 * @param topControlsVisibilityDelegate Delegate to determine top controls v
isibility. |
| 174 * @return {@link FullScreenActivityTab} for the Activity. |
| 175 */ |
| 176 public static FullScreenActivityTab create(ChromeActivity activity, WindowAn
droid window, |
| 177 File directory, Bundle savedInstanceState, |
| 178 TopControlsVisibilityDelegate topControlsVisibilityDelegate) { |
| 179 FullScreenActivityTab tab = null; |
| 180 |
| 181 int tabId = Tab.INVALID_TAB_ID; |
| 182 String tabUrl = null; |
| 183 if (savedInstanceState != null) { |
| 184 tabId = savedInstanceState.getInt(BUNDLE_TAB_ID, INVALID_TAB_ID); |
| 185 tabUrl = savedInstanceState.getString(BUNDLE_TAB_URL); |
| 186 } |
| 187 |
| 188 if (tabId != Tab.INVALID_TAB_ID && tabUrl != null && directory != null)
{ |
| 189 FileInputStream stream = null; |
| 190 try { |
| 191 // Restore the tab. |
| 192 stream = new FileInputStream(getTabFile(directory, tabId)); |
| 193 TabState tabState = TabState.readState(stream, false); |
| 194 tab = new FullScreenActivityTab( |
| 195 tabId, activity, window, tabState, topControlsVisibility
Delegate); |
| 196 } catch (FileNotFoundException exception) { |
| 197 Log.e(TAG, "Failed to restore tab state.", exception); |
| 198 } catch (IOException exception) { |
| 199 Log.e(TAG, "Failed to restore tab state.", exception); |
| 200 } finally { |
| 201 StreamUtil.closeQuietly(stream); |
| 202 } |
| 203 } |
| 204 |
| 205 if (tab == null) { |
| 206 // Create a new tab. |
| 207 tab = new FullScreenActivityTab(activity, window, topControlsVisibil
ityDelegate); |
| 208 } |
| 209 |
| 210 return tab; |
| 211 } |
| 212 |
| 213 @Override |
| 214 protected ContextMenuPopulator createContextMenuPopulator() { |
| 215 return new ContextMenuPopulator() { |
| 216 private final Clipboard mClipboard; |
| 217 |
| 218 // public ContextMenuPopulator() |
| 219 { |
| 220 mClipboard = new Clipboard(getApplicationContext()); |
| 221 } |
| 222 |
| 223 @Override |
| 224 public boolean shouldShowContextMenu(ContextMenuParams params) { |
| 225 return params != null && params.isAnchor(); |
| 226 } |
| 227 |
| 228 @Override |
| 229 public boolean onItemSelected(ContextMenuHelper helper, ContextMenuP
arams params, |
| 230 int itemId) { |
| 231 if (itemId == org.chromium.chrome.R.id.contextmenu_copy_link_add
ress_text) { |
| 232 String url = params.getUnfilteredLinkUrl(); |
| 233 mClipboard.setText(url, url); |
| 234 return true; |
| 235 } else if (itemId == org.chromium.chrome.R.id.contextmenu_copy_l
ink_text) { |
| 236 String text = params.getLinkText(); |
| 237 mClipboard.setText(text, text); |
| 238 return true; |
| 239 } else if (itemId == R.id.menu_id_open_in_chrome) { |
| 240 Intent chromeIntent = |
| 241 new Intent(Intent.ACTION_VIEW, Uri.parse(params.getL
inkUrl())); |
| 242 chromeIntent.setPackage(getApplicationContext().getPackageNa
me()); |
| 243 chromeIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| 244 |
| 245 boolean activityStarted = false; |
| 246 if (params.getPageUrl() != null) { |
| 247 try { |
| 248 URI pageUri = URI.create(params.getPageUrl()); |
| 249 if (UrlUtilities.isInternalScheme(pageUri)) { |
| 250 IntentHandler.startChromeLauncherActivityForTrus
tedIntent( |
| 251 chromeIntent, getApplicationContext()); |
| 252 activityStarted = true; |
| 253 } |
| 254 } catch (IllegalArgumentException ex) { |
| 255 // Ignore the exception for creating the URI and lau
nch the intent |
| 256 // without the trusted intent extras. |
| 257 } |
| 258 } |
| 259 |
| 260 if (!activityStarted) { |
| 261 getApplicationContext().startActivity(chromeIntent); |
| 262 activityStarted = true; |
| 263 } |
| 264 return true; |
| 265 } |
| 266 |
| 267 return false; |
| 268 } |
| 269 |
| 270 @Override |
| 271 public void buildContextMenu(ContextMenu menu, Context context, |
| 272 ContextMenuParams params) { |
| 273 menu.add(Menu.NONE, org.chromium.chrome.R.id.contextmenu_copy_li
nk_address_text, |
| 274 Menu.NONE, org.chromium.chrome.R.string.contextmenu_copy
_link_address); |
| 275 |
| 276 String linkText = params.getLinkText(); |
| 277 if (linkText != null) linkText = linkText.trim(); |
| 278 |
| 279 if (!TextUtils.isEmpty(linkText)) { |
| 280 menu.add(Menu.NONE, org.chromium.chrome.R.id.contextmenu_cop
y_link_text, |
| 281 Menu.NONE, org.chromium.chrome.R.string.contextmenu_
copy_link_text); |
| 282 } |
| 283 |
| 284 menu.add(Menu.NONE, R.id.menu_id_open_in_chrome, Menu.NONE, |
| 285 R.string.menu_open_in_chrome); |
| 286 } |
| 287 }; |
| 288 } |
| 289 |
| 290 @Override |
| 291 protected boolean isHidingTopControlsEnabled() { |
| 292 if (getFullscreenManager() == null) return true; |
| 293 if (getFullscreenManager().getPersistentFullscreenMode()) return true; |
| 294 if (mTopControlsVisibilityDelegate == null) return false; |
| 295 return !mTopControlsVisibilityDelegate.shouldShowTopControls(getUrl(), g
etSecurityLevel()); |
| 296 } |
| 297 |
| 298 @Override |
| 299 public boolean isShowingTopControlsEnabled() { |
| 300 // On webapp activity and embedd content view activity, it's either hidi
ng or showing. |
| 301 // Users cannot change the visibility state by sliding it in or out. |
| 302 return !isHidingTopControlsEnabled(); |
| 303 } |
| 304 |
| 305 @Override |
| 306 protected FullScreenTabWebContentsDelegateAndroid createWebContentsDelegate(
) { |
| 307 return new FullScreenTabWebContentsDelegateAndroid(); |
| 308 } |
| 309 |
| 310 /** |
| 311 * A FullScreenActivityTab is meant to be used for WebappActivities which |
| 312 * behave slightly differently from tabs. The main difference being that |
| 313 * it doesn't have a notion of active tab. Thus, some WebContentsDelegate |
| 314 * method have to be redefined. |
| 315 */ |
| 316 public class FullScreenTabWebContentsDelegateAndroid |
| 317 extends TabChromeWebContentsDelegateAndroidImpl { |
| 318 @Override |
| 319 public void activateContents() { |
| 320 if (!(mActivity instanceof WebappActivity)) return; |
| 321 |
| 322 WebappInfo webAppInfo = ((WebappActivity) mActivity).getWebappInfo()
; |
| 323 String url = webAppInfo.uri().toString(); |
| 324 |
| 325 Intent intent = new Intent(); |
| 326 intent.setAction(Intent.ACTION_MAIN); |
| 327 intent.setPackage(mActivity.getPackageName()); |
| 328 intent.putExtra(ChromeLauncherActivity.EXTRA_BRING_WEBAPP_TO_FRONT,
true); |
| 329 |
| 330 intent.putExtra(ShortcutHelper.EXTRA_ICON, webAppInfo.getEncodedIcon
()); |
| 331 intent.putExtra(ShortcutHelper.EXTRA_ID, webAppInfo.id()); |
| 332 intent.putExtra(ShortcutHelper.EXTRA_URL, url); |
| 333 intent.putExtra(ShortcutHelper.EXTRA_TITLE, webAppInfo.title()); |
| 334 intent.putExtra(ShortcutHelper.EXTRA_ORIENTATION, webAppInfo.orienta
tion()); |
| 335 intent.putExtra(ShortcutHelper.EXTRA_MAC, ShortcutHelper.getEncodedM
ac(mActivity, url)); |
| 336 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| 337 |
| 338 getApplicationContext().startActivity(intent); |
| 339 } |
| 340 } |
| 341 } |
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