/** This is called when the native library are ready. */
public void onNativeLibraryReady(
WindowAndroid windowAndroid, TabContentManager tabContentManager) {
assert mLayerTitleCache == null : "Should be called once";
if (DeviceClassManager.enableLayerDecorationCache()) {
mLayerTitleCache = new LayerTitleCache(getContext());
}
mCompositorView.initNativeCompositor(
SysUtils.isLowEndDevice(), windowAndroid, mLayerTitleCache, tabContentManager);
if (mLayerTitleCache != null) {
mLayerTitleCache.setResourceManager(getResourceManager());
}
if (mControlContainer != null) {
mCompositorView
.getResourceManager()
.getDynamicResourceLoader()
.registerResource(R.id.control_container, mControlContainer.getToolbarResourceAdapter());
ViewResourceAdapter progressAdapter = mControlContainer.getProgressResourceAdapter();
if (progressAdapter != null) {
mCompositorView
.getResourceManager()
.getDynamicResourceLoader()
.registerResource(R.id.progress, progressAdapter);
}
}
}
private void startModerateBindingManagementIfNeeded() {
// Moderate binding doesn't apply to low end devices.
if (SysUtils.isLowEndDevice()) return;
boolean moderateBindingTillBackgrounded =
FieldTrialList.findFullName("ModerateBindingOnBackgroundTabCreation").equals("Enabled");
ChildProcessLauncher.startModerateBindingManagement(
mAppContext, moderateBindingTillBackgrounded);
}
/**
* The {@link DeviceClassManager} constructor should be self contained and rely on system
* information and command line flags.
*/
private DeviceClassManager() {
// Device based configurations.
if (SysUtils.isLowEndDevice()) {
mEnableSnapshots = false;
mEnableLayerDecorationCache = true;
mEnableAccessibilityLayout = true;
mEnableAnimations = false;
mEnablePrerendering = false;
mEnableToolbarSwipe = false;
mDisableDomainReliability = true;
} else {
mEnableSnapshots = true;
mEnableLayerDecorationCache = true;
mEnableAccessibilityLayout = false;
mEnableAnimations = true;
mEnablePrerendering = true;
mEnableToolbarSwipe = true;
mDisableDomainReliability = false;
}
if (DeviceFormFactor.isTablet(ApplicationStatus.getApplicationContext())) {
mEnableAccessibilityLayout = false;
}
// Flag based configurations.
CommandLine commandLine = CommandLine.getInstance();
mEnableAccessibilityLayout |=
commandLine.hasSwitch(ChromeSwitches.ENABLE_ACCESSIBILITY_TAB_SWITCHER);
mEnableFullscreen = !commandLine.hasSwitch(ChromeSwitches.DISABLE_FULLSCREEN);
mEnableUndo = commandLine.hasSwitch(ChromeSwitches.ENABLE_HIGH_END_UI_UNDO);
mEnableToolbarSwipeInDocumentMode =
commandLine.hasSwitch(ChromeSwitches.ENABLE_TOOLBAR_SWIPE_IN_DOCUMENT_MODE);
// Related features.
if (mEnableAccessibilityLayout) {
mEnableAnimations = false;
}
if (SysUtils.isLowEndDevice() || mEnableAccessibilityLayout) {
mEnableUndo = true;
}
}
// Used internally to initialize the linker's static data. Assume lock is held.
private static void ensureInitializedLocked() {
assert Thread.holdsLock(Linker.class);
if (!sInitialized) {
sRelroSharingSupported = false;
if (NativeLibraries.USE_LINKER) {
if (DEBUG) Log.i(TAG, "Loading lib" + TAG + ".so");
try {
System.loadLibrary(TAG);
} catch (UnsatisfiedLinkError e) {
// In a component build, the ".cr" suffix is added to each library name.
System.loadLibrary(TAG + ".cr");
}
sRelroSharingSupported = nativeCanUseSharedRelro();
if (!sRelroSharingSupported) Log.w(TAG, "This system cannot safely share RELRO sections");
else {
if (DEBUG) Log.i(TAG, "This system supports safe shared RELRO sections");
}
if (sMemoryDeviceConfig == MEMORY_DEVICE_CONFIG_INIT) {
sMemoryDeviceConfig =
SysUtils.isLowEndDevice() ? MEMORY_DEVICE_CONFIG_LOW : MEMORY_DEVICE_CONFIG_NORMAL;
}
switch (BROWSER_SHARED_RELRO_CONFIG) {
case BROWSER_SHARED_RELRO_CONFIG_NEVER:
sBrowserUsesSharedRelro = false;
break;
case BROWSER_SHARED_RELRO_CONFIG_LOW_RAM_ONLY:
sBrowserUsesSharedRelro = (sMemoryDeviceConfig == MEMORY_DEVICE_CONFIG_LOW);
if (sBrowserUsesSharedRelro)
Log.w(TAG, "Low-memory device: shared RELROs used in all processes");
break;
case BROWSER_SHARED_RELRO_CONFIG_ALWAYS:
Log.w(TAG, "Beware: shared RELROs used in all processes!");
sBrowserUsesSharedRelro = true;
break;
default:
assert false : "Unreached";
break;
}
} else {
if (DEBUG) Log.i(TAG, "Linker disabled");
}
if (!sRelroSharingSupported) {
// Sanity.
sBrowserUsesSharedRelro = false;
sWaitForSharedRelros = false;
}
sInitialized = true;
}
}
/**
* Creates and shows the app menu anchored to the specified view.
*
* @param context The context of the AppMenu (ensure the proper theme is set on this context).
* @param anchorView The anchor {@link View} of the {@link ListPopupWindow}.
* @param isByPermanentButton Whether or not permanent hardware button triggered it. (oppose to
* software button or keyboard).
* @param screenRotation Current device screen rotation.
* @param visibleDisplayFrame The display area rect in which AppMenu is supposed to fit in.
* @param screenHeight Current device screen height.
* @param footerResourceId The resource id for a view to add to the end of the menu list. Can be 0
* if no such view is required.
*/
void show(
Context context,
View anchorView,
boolean isByPermanentButton,
int screenRotation,
Rect visibleDisplayFrame,
int screenHeight,
int footerResourceId) {
mPopup = new ListPopupWindow(context, null, android.R.attr.popupMenuStyle);
mPopup.setModal(true);
mPopup.setAnchorView(anchorView);
mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED);
int footerHeight = 0;
if (footerResourceId != 0) {
mPopup.setPromptPosition(ListPopupWindow.POSITION_PROMPT_BELOW);
View promptView = LayoutInflater.from(context).inflate(footerResourceId, null);
mPopup.setPromptView(promptView);
int measureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
promptView.measure(measureSpec, measureSpec);
footerHeight = promptView.getMeasuredHeight();
}
mPopup.setOnDismissListener(
new OnDismissListener() {
@Override
public void onDismiss() {
if (mPopup.getAnchorView() instanceof ImageButton) {
((ImageButton) mPopup.getAnchorView()).setSelected(false);
}
if (mMenuItemEnterAnimator != null) mMenuItemEnterAnimator.cancel();
mHandler.appMenuDismissed();
mHandler.onMenuVisibilityChanged(false);
}
});
// Some OEMs don't actually let us change the background... but they still return the
// padding of the new background, which breaks the menu height. If we still have a
// drawable here even though our style says @null we should use this padding instead...
Drawable originalBgDrawable = mPopup.getBackground();
// Need to explicitly set the background here. Relying on it being set in the style caused
// an incorrectly drawn background.
if (isByPermanentButton) {
mPopup.setBackgroundDrawable(
ApiCompatibilityUtils.getDrawable(context.getResources(), R.drawable.menu_bg));
} else {
mPopup.setBackgroundDrawable(
ApiCompatibilityUtils.getDrawable(context.getResources(), R.drawable.edge_menu_bg));
mPopup.setAnimationStyle(R.style.OverflowMenuAnim);
}
// Turn off window animations for low end devices, and on Android M, which has built-in menu
// animations.
if (SysUtils.isLowEndDevice() || Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
mPopup.setAnimationStyle(0);
}
Rect bgPadding = new Rect();
mPopup.getBackground().getPadding(bgPadding);
int popupWidth =
context.getResources().getDimensionPixelSize(R.dimen.menu_width)
+ bgPadding.left
+ bgPadding.right;
mPopup.setWidth(popupWidth);
mCurrentScreenRotation = screenRotation;
mIsByPermanentButton = isByPermanentButton;
// Extract visible items from the Menu.
int numItems = mMenu.size();
List<MenuItem> menuItems = new ArrayList<MenuItem>();
for (int i = 0; i < numItems; ++i) {
MenuItem item = mMenu.getItem(i);
if (item.isVisible()) {
menuItems.add(item);
}
}
Rect sizingPadding = new Rect(bgPadding);
if (isByPermanentButton && originalBgDrawable != null) {
Rect originalPadding = new Rect();
originalBgDrawable.getPadding(originalPadding);
sizingPadding.top = originalPadding.top;
sizingPadding.bottom = originalPadding.bottom;
}
// A List adapter for visible items in the Menu. The first row is added as a header to the
// list view.
mAdapter = new AppMenuAdapter(this, menuItems, LayoutInflater.from(context));
mPopup.setAdapter(mAdapter);
setMenuHeight(menuItems.size(), visibleDisplayFrame, screenHeight, sizingPadding, footerHeight);
setPopupOffset(mPopup, mCurrentScreenRotation, visibleDisplayFrame, sizingPadding);
mPopup.setOnItemClickListener(this);
mPopup.show();
mPopup.getListView().setItemsCanFocus(true);
mPopup.getListView().setOnKeyListener(this);
mHandler.onMenuVisibilityChanged(true);
if (mVerticalFadeDistance > 0) {
mPopup.getListView().setVerticalFadingEdgeEnabled(true);
mPopup.getListView().setFadingEdgeLength(mVerticalFadeDistance);
}
// Don't animate the menu items for low end devices.
if (!SysUtils.isLowEndDevice() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
mPopup
.getListView()
.addOnLayoutChangeListener(
new View.OnLayoutChangeListener() {
@Override
public void onLayoutChange(
View v,
int left,
int top,
int right,
int bottom,
int oldLeft,
int oldTop,
int oldRight,
int oldBottom) {
mPopup.getListView().removeOnLayoutChangeListener(this);
runMenuItemEnterAnimations();
}
});
}
}
/**
* Creates a new tab and posts to UI.
*
* @param loadUrlParams parameters of the url load.
* @param type Information about how the tab was launched.
* @param parent the parent tab, if present.
* @param position the requested position (index in the tab model)
* @param intent the source of the url if it isn't null.
* @return The new tab.
*/
public ChromeTab createNewTab(
LoadUrlParams loadUrlParams,
TabModel.TabLaunchType type,
Tab parent,
int position,
Intent intent) {
try {
TraceEvent.begin("ChromeTabCreator.createNewTab");
int parentId = parent != null ? parent.getId() : Tab.INVALID_TAB_ID;
WebContents webContents = IntentHandler.getWebContentsFromIntent(intent);
boolean isWebContentsPaused = false;
if (webContents != null) {
// The WebContents comes with additional data, but it shouldn't be used if the
// WebContents itself couldn't be parsed out.
parentId =
IntentUtils.safeGetIntExtra(
intent, IntentHandler.EXTRA_PARENT_TAB_ID, Tab.INVALID_TAB_ID);
isWebContentsPaused =
IntentUtils.safeGetBooleanExtra(intent, IntentHandler.EXTRA_WEB_CONTENTS_PAUSED, false);
}
// Sanitize the url.
loadUrlParams.setUrl(UrlUtilities.fixupUrl(loadUrlParams.getUrl()));
loadUrlParams.setTransitionType(getTransitionType(type));
boolean openInForeground =
mOrderController.willOpenInForeground(type, mIncognito) || webContents != null;
ChromeTab tab;
if (webContents != null) {
tab =
ChromeTab.createLiveTab(
Tab.INVALID_TAB_ID,
mActivity,
mIncognito,
mNativeWindow,
type,
parentId,
!openInForeground);
tab.initialize(webContents, mTabContentManager, !openInForeground);
tab.getTabRedirectHandler().updateIntent(intent);
if (isWebContentsPaused) webContents.resumeLoadingCreatedWebContents();
} else if (!openInForeground && SysUtils.isLowEndDevice()) {
// On low memory devices the tabs opened in background are not loaded automatically
// to preserve resources (cpu, memory, strong renderer binding) for the foreground
// tab.
tab =
ChromeTab.createTabForLazyLoad(
mActivity, mIncognito, mNativeWindow, type, parentId, loadUrlParams);
tab.initialize(null, mTabContentManager, !openInForeground);
mTabSaver.addTabToSaveQueue(tab);
tab.getTabRedirectHandler().updateIntent(intent);
} else {
tab =
ChromeTab.createLiveTab(
Tab.INVALID_TAB_ID,
mActivity,
mIncognito,
mNativeWindow,
type,
parentId,
!openInForeground);
webContents =
WarmupManager.getInstance().hasPrerenderedUrl(loadUrlParams.getUrl())
? WarmupManager.getInstance().takePrerenderedWebContents()
: null;
tab.initialize(webContents, mTabContentManager, !openInForeground);
tab.getTabRedirectHandler().updateIntent(intent);
tab.loadUrl(loadUrlParams);
}
if (intent != null && intent.hasExtra(ServiceTabLauncher.LAUNCH_REQUEST_ID_EXTRA)) {
ServiceTabLauncher.onWebContentsForRequestAvailable(
intent.getIntExtra(ServiceTabLauncher.LAUNCH_REQUEST_ID_EXTRA, 0),
tab.getWebContents());
}
mTabModel.addTab(tab, position, type);
return tab;
} finally {
TraceEvent.end("ChromeTabCreator.createNewTab");
}
}