| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.chrome.browser.ntp; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.RippleDrawable; |
| import android.os.Build; |
| import android.support.annotation.Nullable; |
| import android.support.v4.view.ViewCompat; |
| import android.text.Editable; |
| import android.text.TextWatcher; |
| import android.util.AttributeSet; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewStub; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| import org.chromium.base.TraceEvent; |
| import org.chromium.base.VisibleForTesting; |
| import org.chromium.chrome.R; |
| import org.chromium.chrome.browser.ChromeTabbedActivity; |
| import org.chromium.chrome.browser.compositor.layouts.EmptyOverviewModeObserver; |
| import org.chromium.chrome.browser.compositor.layouts.OverviewModeBehavior; |
| import org.chromium.chrome.browser.compositor.layouts.content.InvalidationAwareThumbnailProvider; |
| import org.chromium.chrome.browser.explore_sites.ExperimentalExploreSitesSection; |
| import org.chromium.chrome.browser.explore_sites.ExploreSitesBridge; |
| import org.chromium.chrome.browser.explore_sites.ExploreSitesSection; |
| import org.chromium.chrome.browser.feature_engagement.TrackerFactory; |
| import org.chromium.chrome.browser.native_page.ContextMenuManager; |
| import org.chromium.chrome.browser.ntp.NewTabPage.OnSearchBoxScrollListener; |
| import org.chromium.chrome.browser.ntp.NewTabPageView.NewTabPageManager; |
| import org.chromium.chrome.browser.offlinepages.OfflinePageBridge; |
| import org.chromium.chrome.browser.omnibox.LocationBarLayout; |
| import org.chromium.chrome.browser.partnercustomizations.HomepageManager; |
| import org.chromium.chrome.browser.profiles.Profile; |
| import org.chromium.chrome.browser.suggestions.SiteSuggestion; |
| import org.chromium.chrome.browser.suggestions.SuggestionsConfig; |
| import org.chromium.chrome.browser.suggestions.SuggestionsDependencyFactory; |
| import org.chromium.chrome.browser.suggestions.tile.SiteSection; |
| import org.chromium.chrome.browser.suggestions.tile.SiteSectionViewHolder; |
| import org.chromium.chrome.browser.suggestions.tile.Tile; |
| import org.chromium.chrome.browser.suggestions.tile.TileGridLayout; |
| import org.chromium.chrome.browser.suggestions.tile.TileGroup; |
| import org.chromium.chrome.browser.suggestions.tile.TileRenderer; |
| import org.chromium.chrome.browser.tab.Tab; |
| import org.chromium.chrome.browser.util.FeatureUtilities; |
| import org.chromium.chrome.browser.util.MathUtils; |
| import org.chromium.chrome.browser.util.ViewUtils; |
| import org.chromium.chrome.browser.vr.VrModeObserver; |
| import org.chromium.chrome.browser.vr.VrModuleProvider; |
| import org.chromium.chrome.browser.widget.displaystyle.UiConfig; |
| import org.chromium.chrome.browser.widget.textbubble.TextBubble; |
| import org.chromium.components.feature_engagement.FeatureConstants; |
| import org.chromium.components.feature_engagement.Tracker; |
| import org.chromium.ui.base.DeviceFormFactor; |
| import org.chromium.ui.widget.ViewRectProvider; |
| |
| /** |
| * Layout for the new tab page. This positions the page elements in the correct vertical positions. |
| * There are no separate phone and tablet UIs; this layout adapts based on the available space. |
| */ |
| public class NewTabPageLayout extends LinearLayout implements TileGroup.Observer, VrModeObserver { |
| private static final String TAG = "NewTabPageLayout"; |
| |
| /** |
| * Parameter for the simplified NTP ablation experiment arm which removes the additional |
| * suggestions sections without replacing them with shortcut buttons. |
| */ |
| private static final String PARAM_SIMPLIFIED_NTP_ABLATION = "simplified_ntp_ablation"; |
| |
| private final int mTileGridLayoutBleed; |
| |
| private View mMiddleSpacer; // Spacer between toolbar and Most Likely. |
| |
| private LogoView mSearchProviderLogoView; |
| private View mSearchBoxView; |
| private ViewGroup mSiteSectionView; |
| private SiteSectionViewHolder mSiteSectionViewHolder; |
| private ImageView mVoiceSearchButton; |
| private View mTileGridPlaceholder; |
| private View mNoSearchLogoSpacer; |
| private ViewGroup mShortcutsView; |
| |
| @Nullable |
| private View mExploreSectionView; // View is null if explore flag is disabled. |
| @Nullable |
| private Object mExploreSection; // Null when explore sites disabled. |
| |
| private OnSearchBoxScrollListener mSearchBoxScrollListener; |
| |
| private NewTabPageManager mManager; |
| private Tab mTab; |
| private LogoDelegateImpl mLogoDelegate; |
| private TileGroup mTileGroup; |
| private UiConfig mUiConfig; |
| |
| /** |
| * Whether the tiles shown in the layout have finished loading. |
| * With {@link #mHasShownView}, it's one of the 2 flags used to track initialisation progress. |
| */ |
| private boolean mTilesLoaded; |
| |
| /** |
| * Whether the view has been shown at least once. |
| * With {@link #mTilesLoaded}, it's one of the 2 flags used to track initialization progress. |
| */ |
| private boolean mHasShownView; |
| |
| /** Observer for overview mode. */ |
| private EmptyOverviewModeObserver mOverviewObserver; |
| |
| private boolean mSearchProviderHasLogo = true; |
| private boolean mSearchProviderIsGoogle; |
| |
| private boolean mInitialized; |
| |
| private float mUrlFocusChangePercent; |
| private boolean mDisableUrlFocusChangeAnimations; |
| private boolean mIsViewMoving; |
| |
| /** Flag used to request some layout changes after the next layout pass is completed. */ |
| private boolean mTileCountChanged; |
| private boolean mSnapshotTileGridChanged; |
| |
| /** |
| * Vertical inset to add to the top and bottom of the search box bounds. May be 0 if no inset |
| * should be applied. See {@link Rect#inset(int, int)}. |
| */ |
| private int mSearchBoxBoundsVerticalInset; |
| |
| private ScrollDelegate mScrollDelegate; |
| |
| /** |
| * A delegate used to obtain information about scroll state and perform various scroll |
| * functions. |
| */ |
| public interface ScrollDelegate { |
| /** |
| * @return Whether the scroll view is initialized. If false, the other delegate methods |
| * may not be valid. |
| */ |
| boolean isScrollViewInitialized(); |
| |
| /** |
| * Checks whether the child at a given position is visible. |
| * @param position The position of the child to check. |
| * @return True if the child is at least partially visible. |
| */ |
| boolean isChildVisibleAtPosition(int position); |
| |
| /** |
| * @return The vertical scroll offset of the view containing this layout in pixels. Not |
| * valid until scroll view is initialized. |
| */ |
| int getVerticalScrollOffset(); |
| |
| /** |
| * Snaps the scroll point of the scroll view to prevent the user from scrolling to midway |
| * through a transition. |
| */ |
| void snapScroll(); |
| } |
| |
| /** |
| * Constructor for inflating from XML. |
| */ |
| public NewTabPageLayout(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| Resources res = getResources(); |
| mTileGridLayoutBleed = res.getDimensionPixelSize(R.dimen.tile_grid_layout_bleed); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| mMiddleSpacer = findViewById(R.id.ntp_middle_spacer); |
| mSearchProviderLogoView = findViewById(R.id.search_provider_logo); |
| mSearchBoxView = findViewById(R.id.search_box); |
| insertSiteSectionView(); |
| |
| int variation = ExploreSitesBridge.getVariation(); |
| if (ExploreSitesBridge.isEnabled(variation) |
| && !ExploreSitesBridge.isIntegratedWithMostLikely(variation)) { |
| mExploreSectionView = ((ViewStub) findViewById(R.id.explore_sites_stub)).inflate(); |
| } else if (ExploreSitesBridge.isExperimental(variation)) { |
| ViewStub exploreStub = findViewById(R.id.explore_sites_stub); |
| exploreStub.setLayoutResource(R.layout.experimental_explore_sites_section); |
| mExploreSectionView = exploreStub.inflate(); |
| } |
| } |
| |
| /** |
| * Initializes the NewTabPageLayout. This must be called immediately after inflation, before |
| * this object is used in any other way. |
| * |
| * @param manager NewTabPageManager used to perform various actions when the user interacts |
| * with the page. |
| * @param tab The Tab that is showing this new tab page. |
| * @param searchProviderHasLogo Whether the search provider has a logo. |
| * @param searchProviderIsGoogle Whether the search provider is Google. |
| * @param scrollDelegate The delegate used to obtain information about scroll state. |
| * @param contextMenuManager The manager for long-press context menus. |
| * @param uiConfig UiConfig that provides display information about this view. |
| */ |
| public void initialize(NewTabPageManager manager, Tab tab, TileGroup.Delegate tileGroupDelegate, |
| boolean searchProviderHasLogo, boolean searchProviderIsGoogle, |
| ScrollDelegate scrollDelegate, ContextMenuManager contextMenuManager, |
| UiConfig uiConfig) { |
| TraceEvent.begin(TAG + ".initialize()"); |
| mScrollDelegate = scrollDelegate; |
| mTab = tab; |
| mManager = manager; |
| mUiConfig = uiConfig; |
| |
| Profile profile = Profile.getLastUsedProfile(); |
| OfflinePageBridge offlinePageBridge = |
| SuggestionsDependencyFactory.getInstance().getOfflinePageBridge(profile); |
| TileRenderer tileRenderer = |
| new TileRenderer(mTab.getActivity(), SuggestionsConfig.getTileStyle(mUiConfig), |
| getTileTitleLines(), mManager.getImageFetcher()); |
| mTileGroup = new TileGroup(tileRenderer, mManager, contextMenuManager, tileGroupDelegate, |
| /* observer = */ this, offlinePageBridge); |
| |
| mSiteSectionViewHolder = SiteSection.createViewHolder(getSiteSectionView(), mUiConfig); |
| mSiteSectionViewHolder.bindDataSource(mTileGroup, tileRenderer); |
| |
| int variation = ExploreSitesBridge.getVariation(); |
| if (ExploreSitesBridge.isEnabled(variation) |
| && !ExploreSitesBridge.isIntegratedWithMostLikely(variation)) { |
| mExploreSection = new ExploreSitesSection(mExploreSectionView, profile, |
| mManager.getNavigationDelegate(), SuggestionsConfig.getTileStyle(mUiConfig)); |
| } else if (ExploreSitesBridge.isExperimental(variation)) { |
| mExploreSection = new ExperimentalExploreSitesSection( |
| mExploreSectionView, profile, mManager.getNavigationDelegate()); |
| } |
| |
| mSearchProviderLogoView = findViewById(R.id.search_provider_logo); |
| mLogoDelegate = new LogoDelegateImpl( |
| mManager.getNavigationDelegate(), mSearchProviderLogoView, profile); |
| |
| mSearchBoxView = findViewById(R.id.search_box); |
| if (!DeviceFormFactor.isWindowOnTablet(mTab.getWindowAndroid())) { |
| mSearchBoxBoundsVerticalInset = getResources().getDimensionPixelSize( |
| R.dimen.ntp_search_box_bounds_vertical_inset_modern); |
| } |
| mNoSearchLogoSpacer = findViewById(R.id.no_search_logo_spacer); |
| |
| initializeSearchBoxTextView(); |
| initializeVoiceSearchButton(); |
| initializeLayoutChangeListener(); |
| setSearchProviderInfo(searchProviderHasLogo, searchProviderIsGoogle); |
| mSearchProviderLogoView.showSearchProviderInitialView(); |
| |
| mTileGroup.startObserving(getMaxTileRows() * getMaxTileColumns()); |
| |
| VrModuleProvider.registerVrModeObserver(this); |
| if (VrModuleProvider.getDelegate().isInVr()) onEnterVr(); |
| |
| if (tab.getActivity() instanceof ChromeTabbedActivity) { |
| OverviewModeBehavior overviewModeBehavior = |
| ((ChromeTabbedActivity) tab.getActivity()).getOverviewModeBehavior(); |
| if (overviewModeBehavior.overviewVisible()) { |
| mOverviewObserver = new EmptyOverviewModeObserver() { |
| @Override |
| public void onOverviewModeFinishedHiding() { |
| maybeShowIPHOnHomepageTile(); |
| overviewModeBehavior.removeOverviewModeObserver(mOverviewObserver); |
| mOverviewObserver = null; |
| } |
| }; |
| overviewModeBehavior.addOverviewModeObserver(mOverviewObserver); |
| } |
| } |
| |
| manager.addDestructionObserver(NewTabPageLayout.this::onDestroy); |
| |
| // Native will be initialized at this time (see NativePageFactory.java). |
| // TODO(crbug.com/982430): Check for changes to the DSE and react accordingly. |
| // TODO(crbug.com/973150): Fetch the favicon when the DSE isn't Google. |
| if (LocationBarLayout.shouldShowGoogleLogo()) { |
| ImageView logoView = findViewById(R.id.search_engine_logo); |
| |
| assert logoView != null; |
| logoView.setVisibility(VISIBLE); |
| } |
| |
| mInitialized = true; |
| |
| TraceEvent.end(TAG + ".initialize()"); |
| } |
| |
| private void maybeShowIPHOnHomepageTile() { |
| if (!(FeatureUtilities.isNewTabPageButtonEnabled() |
| && FeatureUtilities.isHomepageTileEnabled())) { |
| return; |
| } |
| |
| SiteSuggestion data = getTileGroup().getHomepageTileData(); |
| if (data == null) return; |
| |
| // Only show the IPH bubble for users with a customized homepage. |
| if (HomepageManager.getInstance().getPrefHomepageUseDefaultUri()) return; |
| |
| final Tracker tracker = TrackerFactory.getTrackerForProfile(Profile.getLastUsedProfile()); |
| if (!tracker.shouldTriggerHelpUI(FeatureConstants.HOMEPAGE_TILE_FEATURE)) return; |
| |
| View homepageView = mSiteSectionViewHolder.findTileView(data); |
| ViewRectProvider rectProvider = new ViewRectProvider(homepageView); |
| |
| TextBubble textBubble = new TextBubble(homepageView.getContext(), homepageView, |
| R.string.iph_homepage_tile_text, R.string.iph_homepage_tile_accessibility_text, |
| true, rectProvider); |
| textBubble.setDismissOnTouchInteraction(true); |
| textBubble.addOnDismissListener( |
| () -> tracker.dismissed(FeatureConstants.HOMEPAGE_TILE_FEATURE)); |
| textBubble.show(); |
| } |
| |
| /** |
| * @return The {@link ScrollDelegate} for this class. |
| */ |
| ScrollDelegate getScrollDelegate() { |
| return mScrollDelegate; |
| } |
| |
| /** |
| * Sets up the hint text and event handlers for the search box text view. |
| */ |
| private void initializeSearchBoxTextView() { |
| TraceEvent.begin(TAG + ".initializeSearchBoxTextView()"); |
| |
| final TextView searchBoxTextView = mSearchBoxView.findViewById(R.id.search_box_text); |
| String hintText = getResources().getString(R.string.search_or_type_web_address); |
| searchBoxTextView.setHint(hintText); |
| |
| searchBoxTextView.setOnClickListener(v -> mManager.focusSearchBox(false, null)); |
| searchBoxTextView.addTextChangedListener(new TextWatcher() { |
| @Override |
| public void beforeTextChanged(CharSequence s, int start, int count, int after) {} |
| |
| @Override |
| public void onTextChanged(CharSequence s, int start, int before, int count) {} |
| |
| @Override |
| public void afterTextChanged(Editable s) { |
| if (s.length() == 0) return; |
| mManager.focusSearchBox(false, s.toString()); |
| searchBoxTextView.setText(""); |
| } |
| }); |
| TraceEvent.end(TAG + ".initializeSearchBoxTextView()"); |
| } |
| |
| private void initializeVoiceSearchButton() { |
| TraceEvent.begin(TAG + ".initializeVoiceSearchButton()"); |
| mVoiceSearchButton = findViewById(R.id.voice_search_button); |
| mVoiceSearchButton.setOnClickListener(v -> mManager.focusSearchBox(true, null)); |
| |
| TraceEvent.end(TAG + ".initializeVoiceSearchButton()"); |
| } |
| |
| private void initializeLayoutChangeListener() { |
| TraceEvent.begin(TAG + ".initializeLayoutChangeListener()"); |
| addOnLayoutChangeListener( |
| (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> { |
| int oldHeight = oldBottom - oldTop; |
| int newHeight = bottom - top; |
| |
| if (oldHeight == newHeight && !mTileCountChanged) return; |
| mTileCountChanged = false; |
| |
| // Re-apply the url focus change amount after a rotation to ensure the views are |
| // correctly placed with their new layout configurations. |
| onUrlFocusAnimationChanged(); |
| updateSearchBoxOnScroll(); |
| |
| // The positioning of elements may have been changed (since the elements expand |
| // to fill the available vertical space), so adjust the scroll. |
| mScrollDelegate.snapScroll(); |
| }); |
| TraceEvent.end(TAG + ".initializeLayoutChangeListener()"); |
| } |
| |
| /** |
| * Updates the search box when the parent view's scroll position is changed. |
| */ |
| void updateSearchBoxOnScroll() { |
| if (mDisableUrlFocusChangeAnimations || mIsViewMoving) return; |
| |
| // When the page changes (tab switching or new page loading), it is possible that events |
| // (e.g. delayed view change notifications) trigger calls to these methods after |
| // the current page changes. We check it again to make sure we don't attempt to update the |
| // wrong page. |
| if (!mManager.isCurrentPage()) return; |
| |
| if (mSearchBoxScrollListener != null) { |
| mSearchBoxScrollListener.onNtpScrollChanged(getToolbarTransitionPercentage()); |
| } |
| } |
| |
| /** |
| * Calculates the percentage (between 0 and 1) of the transition from the search box to the |
| * omnibox at the top of the New Tab Page, which is determined by the amount of scrolling and |
| * the position of the search box. |
| * |
| * @return the transition percentage |
| */ |
| private float getToolbarTransitionPercentage() { |
| // During startup the view may not be fully initialized. |
| if (!mScrollDelegate.isScrollViewInitialized()) return 0f; |
| |
| if (isSearchBoxOffscreen()) { |
| // getVerticalScrollOffset is valid only for the scroll view if the first item is |
| // visible. If the search box view is offscreen, we must have scrolled quite far and we |
| // know the toolbar transition should be 100%. This might be the initial scroll position |
| // due to the scroll restore feature, so the search box will not have been laid out yet. |
| return 1f; |
| } |
| |
| // During startup the view may not be fully initialized, so we only calculate the current |
| // percentage if some basic view properties (position of the search box) are sane. |
| int searchBoxTop = mSearchBoxView.getTop(); |
| if (searchBoxTop == 0) return 0f; |
| |
| // For all other calculations, add the search box padding, because it defines where the |
| // visible "border" of the search box is. |
| searchBoxTop += mSearchBoxView.getPaddingTop(); |
| |
| final int scrollY = mScrollDelegate.getVerticalScrollOffset(); |
| // Use int pixel size instead of float dimension to avoid precision error on the percentage. |
| final float transitionLength = |
| getResources().getDimensionPixelSize(R.dimen.ntp_search_box_transition_length); |
| // Tab strip height is zero on phones, nonzero on tablets. |
| int tabStripHeight = getResources().getDimensionPixelSize(R.dimen.tab_strip_height); |
| |
| // |scrollY - searchBoxTop + tabStripHeight| gives the distance the search bar is from the |
| // top of the tab. |
| return MathUtils.clamp( |
| (scrollY - searchBoxTop + tabStripHeight + transitionLength) / transitionLength, 0f, |
| 1f); |
| } |
| |
| private void insertSiteSectionView() { |
| mSiteSectionView = SiteSection.inflateSiteSection(this); |
| ViewGroup.LayoutParams layoutParams = mSiteSectionView.getLayoutParams(); |
| layoutParams.width = ViewGroup.LayoutParams.WRAP_CONTENT; |
| // If the explore sites section exists as its own section, then space it more closely. |
| int variation = ExploreSitesBridge.getVariation(); |
| if (ExploreSitesBridge.isEnabled(variation) |
| && !ExploreSitesBridge.isIntegratedWithMostLikely(variation)) { |
| ((MarginLayoutParams) layoutParams).bottomMargin = |
| getResources().getDimensionPixelOffset( |
| R.dimen.tile_grid_layout_vertical_spacing); |
| } |
| mSiteSectionView.setLayoutParams(layoutParams); |
| |
| int insertionPoint = indexOfChild(mMiddleSpacer) + 1; |
| addView(mSiteSectionView, insertionPoint); |
| } |
| |
| /** |
| * @return the embedded {@link TileGridLayout}. |
| */ |
| public ViewGroup getSiteSectionView() { |
| return mSiteSectionView; |
| } |
| |
| /** |
| * @return The fake search box view. |
| */ |
| public View getSearchBoxView() { |
| return mSearchBoxView; |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| unifyElementWidths(); |
| } |
| |
| /** |
| * @return The placeholder that is shown above the fold when there is no other content to show, |
| * or null if it has not been inflated yet. |
| */ |
| @VisibleForTesting |
| @Nullable |
| public View getPlaceholder() { |
| return mTileGridPlaceholder; |
| } |
| |
| @VisibleForTesting |
| public TileGroup getTileGroup() { |
| return mTileGroup; |
| } |
| |
| /** |
| * Should be called every time one of the flags used to track initialization progress changes. |
| * Finalizes initialization once all the preliminary steps are complete. |
| * |
| * @see #mHasShownView |
| * @see #mTilesLoaded |
| */ |
| private void onInitializationProgressChanged() { |
| if (!hasLoadCompleted()) return; |
| |
| mManager.onLoadingComplete(); |
| |
| // Load the logo after everything else is finished, since it's lower priority. |
| loadSearchProviderLogo(); |
| } |
| |
| /** |
| * To be called to notify that the tiles have finished loading. Will do nothing if a load was |
| * previously completed. |
| */ |
| public void onTilesLoaded() { |
| if (mTilesLoaded) return; |
| mTilesLoaded = true; |
| |
| onInitializationProgressChanged(); |
| } |
| |
| /** |
| * Loads the search provider logo (e.g. Google doodle), if any. |
| */ |
| public void loadSearchProviderLogo() { |
| if (!mSearchProviderHasLogo) return; |
| |
| mSearchProviderLogoView.showSearchProviderInitialView(); |
| |
| mLogoDelegate.getSearchProviderLogo((logo, fromCache) -> { |
| if (logo == null && fromCache) return; |
| |
| mSearchProviderLogoView.setDelegate(mLogoDelegate); |
| mSearchProviderLogoView.updateLogo(logo); |
| mSnapshotTileGridChanged = true; |
| }); |
| } |
| |
| /** |
| * Changes the layout depending on whether the selected search provider (e.g. Google, Bing) |
| * has a logo. |
| * @param hasLogo Whether the search provider has a logo. |
| * @param isGoogle Whether the search provider is Google. |
| */ |
| public void setSearchProviderInfo(boolean hasLogo, boolean isGoogle) { |
| if (hasLogo == mSearchProviderHasLogo && isGoogle == mSearchProviderIsGoogle |
| && mInitialized) { |
| return; |
| } |
| mSearchProviderHasLogo = hasLogo; |
| mSearchProviderIsGoogle = isGoogle; |
| |
| updateTileGridPadding(); |
| |
| // Hide or show the views above the tile grid as needed, including logo, search box, and |
| // spacers. |
| int visibility = mSearchProviderHasLogo ? View.VISIBLE : View.GONE; |
| int logoVisibility = shouldShowLogo() ? View.VISIBLE : View.GONE; |
| int childCount = getChildCount(); |
| for (int i = 0; i < childCount; i++) { |
| View child = getChildAt(i); |
| if (mShortcutsView != null && child == mShortcutsView) break; |
| if (child == mSiteSectionViewHolder.itemView) break; |
| |
| // Don't change the visibility of a ViewStub as that will automagically inflate it. |
| if (child instanceof ViewStub) continue; |
| |
| if (child == mSearchProviderLogoView) { |
| child.setVisibility(logoVisibility); |
| } else { |
| child.setVisibility(visibility); |
| } |
| } |
| |
| updateTileGridPlaceholderVisibility(); |
| |
| onUrlFocusAnimationChanged(); |
| |
| mSnapshotTileGridChanged = true; |
| } |
| |
| /** |
| * Updates the padding for the tile grid based on what is shown above it. |
| */ |
| private void updateTileGridPadding() { |
| int paddingTop; |
| if (mShortcutsView != null) { |
| // If the shortcuts view is visible, padding will be built into that view. |
| paddingTop = 0; |
| } else { |
| // Set a bit more top padding on the tile grid if there is no logo. |
| paddingTop = getResources().getDimensionPixelSize(shouldShowLogo() |
| ? R.dimen.tile_grid_layout_padding_top |
| : R.dimen.tile_grid_layout_no_logo_padding_top); |
| } |
| |
| mSiteSectionViewHolder.itemView.setPadding( |
| 0, paddingTop, 0, mSiteSectionViewHolder.itemView.getPaddingBottom()); |
| } |
| |
| /** |
| * Updates whether the NewTabPage should animate on URL focus changes. |
| * @param disable Whether to disable the animations. |
| */ |
| void setUrlFocusAnimationsDisabled(boolean disable) { |
| if (disable == mDisableUrlFocusChangeAnimations) return; |
| mDisableUrlFocusChangeAnimations = disable; |
| if (!disable) onUrlFocusAnimationChanged(); |
| } |
| |
| /** |
| * @return Whether URL focus animations are currently disabled. |
| */ |
| boolean urlFocusAnimationsDisabled() { |
| return mDisableUrlFocusChangeAnimations; |
| } |
| |
| /** |
| * Specifies the percentage the URL is focused during an animation. 1.0 specifies that the URL |
| * bar has focus and has completed the focus animation. 0 is when the URL bar is does not have |
| * any focus. |
| * |
| * @param percent The percentage of the URL bar focus animation. |
| */ |
| void setUrlFocusChangeAnimationPercent(float percent) { |
| mUrlFocusChangePercent = percent; |
| onUrlFocusAnimationChanged(); |
| } |
| |
| /** |
| * @return The percentage that the URL bar is focused during an animation. |
| */ |
| @VisibleForTesting |
| float getUrlFocusChangeAnimationPercent() { |
| return mUrlFocusChangePercent; |
| } |
| |
| void onUrlFocusAnimationChanged() { |
| if (mDisableUrlFocusChangeAnimations || mIsViewMoving) return; |
| |
| // Translate so that the search box is at the top, but only upwards. |
| float percent = mSearchProviderHasLogo ? mUrlFocusChangePercent : 0; |
| int basePosition = mScrollDelegate.getVerticalScrollOffset() + getPaddingTop(); |
| int target = Math.max(basePosition, |
| mSearchBoxView.getBottom() - mSearchBoxView.getPaddingBottom() |
| - mSearchBoxBoundsVerticalInset); |
| |
| setTranslationY(percent * (basePosition - target)); |
| } |
| |
| /** |
| * Sets whether this view is currently moving within its parent view. When the view is moving |
| * certain animations will be disabled or prevented. |
| * @param isViewMoving Whether this view is currently moving. |
| */ |
| void setIsViewMoving(boolean isViewMoving) { |
| mIsViewMoving = isViewMoving; |
| } |
| |
| /** |
| * Updates the opacity of the search box when scrolling. |
| * |
| * @param alpha opacity (alpha) value to use. |
| */ |
| public void setSearchBoxAlpha(float alpha) { |
| mSearchBoxView.setAlpha(alpha); |
| |
| // Disable the search box contents if it is the process of being animated away. |
| ViewUtils.setEnabledRecursive(mSearchBoxView, mSearchBoxView.getAlpha() == 1.0f); |
| } |
| |
| /** |
| * Updates the opacity of the search provider logo when scrolling. |
| * |
| * @param alpha opacity (alpha) value to use. |
| */ |
| public void setSearchProviderLogoAlpha(float alpha) { |
| mSearchProviderLogoView.setAlpha(alpha); |
| } |
| |
| /** |
| * Set the search box background drawable. |
| * |
| * @param drawable The search box background. |
| */ |
| public void setSearchBoxBackground(Drawable drawable) { |
| mSearchBoxView.setBackground(drawable); |
| } |
| |
| /** |
| * Get the bounds of the search box in relation to the top level {@code parentView}. |
| * |
| * @param bounds The current drawing location of the search box. |
| * @param translation The translation applied to the search box by the parent view hierarchy up |
| * to the {@code parentView}. |
| * @param parentView The top level parent view used to translate search box bounds. |
| */ |
| void getSearchBoxBounds(Rect bounds, Point translation, View parentView) { |
| int searchBoxX = (int) mSearchBoxView.getX(); |
| int searchBoxY = (int) mSearchBoxView.getY(); |
| bounds.set(searchBoxX, searchBoxY, searchBoxX + mSearchBoxView.getWidth(), |
| searchBoxY + mSearchBoxView.getHeight()); |
| |
| translation.set(0, 0); |
| |
| if (isSearchBoxOffscreen()) { |
| translation.y = Integer.MIN_VALUE; |
| } else { |
| View view = mSearchBoxView; |
| while (true) { |
| view = (View) view.getParent(); |
| if (view == null) { |
| // The |mSearchBoxView| is not a child of this view. This can happen if the |
| // RecyclerView detaches the NewTabPageLayout after it has been scrolled out of |
| // view. Set the translation to the minimum Y value as an approximation. |
| translation.y = Integer.MIN_VALUE; |
| break; |
| } |
| translation.offset(-view.getScrollX(), -view.getScrollY()); |
| if (view == parentView) break; |
| translation.offset((int) view.getX(), (int) view.getY()); |
| } |
| } |
| |
| bounds.offset(translation.x, translation.y); |
| if (translation.y != Integer.MIN_VALUE) { |
| bounds.inset(0, mSearchBoxBoundsVerticalInset); |
| } |
| } |
| |
| void setSearchProviderTopMargin(int topMargin) { |
| ((MarginLayoutParams) mSearchProviderLogoView.getLayoutParams()).topMargin = topMargin; |
| } |
| /** |
| * @return Whether the search box view is scrolled off the screen. |
| */ |
| private boolean isSearchBoxOffscreen() { |
| return !mScrollDelegate.isChildVisibleAtPosition(0) |
| || mScrollDelegate.getVerticalScrollOffset() > mSearchBoxView.getTop(); |
| } |
| |
| /** |
| * Sets the listener for search box scroll changes. |
| * @param listener The listener to be notified on changes. |
| */ |
| void setSearchBoxScrollListener(OnSearchBoxScrollListener listener) { |
| mSearchBoxScrollListener = listener; |
| if (mSearchBoxScrollListener != null) updateSearchBoxOnScroll(); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| assert mManager != null; |
| |
| if (!mHasShownView) { |
| mHasShownView = true; |
| onInitializationProgressChanged(); |
| NewTabPageUma.recordSearchAvailableLoadTime(mTab.getActivity()); |
| TraceEvent.instant("NewTabPageSearchAvailable)"); |
| } |
| |
| // If we are in overview mode, the IPH will be dismissed by overview swap. |
| // The overview mode finish observer will show the IPH instead, since |
| // onAttachedToWindow is called before the overview mode has finished swapping. |
| if (mOverviewObserver == null) { |
| maybeShowIPHOnHomepageTile(); |
| } |
| } |
| |
| /** |
| * Update the visibility of the voice search button based on whether the feature is currently |
| * enabled. |
| */ |
| void updateVoiceSearchButtonVisibility() { |
| mVoiceSearchButton.setVisibility(mManager.isVoiceSearchEnabled() ? VISIBLE : GONE); |
| ViewCompat.setPaddingRelative(mSearchBoxView, ViewCompat.getPaddingStart(mSearchBoxView), |
| mSearchBoxView.getPaddingTop(), |
| mManager.isVoiceSearchEnabled() ? 0 |
| : getResources().getDimensionPixelSize( |
| R.dimen.location_bar_lateral_padding), |
| mSearchBoxView.getPaddingBottom()); |
| } |
| |
| @Override |
| protected void onWindowVisibilityChanged(int visibility) { |
| super.onWindowVisibilityChanged(visibility); |
| |
| // On first run, the NewTabPageLayout is initialized behind the First Run Experience, |
| // meaning the UiConfig will pickup the screen layout then. However onConfigurationChanged |
| // is not called on orientation changes until the FRE is completed. This means that if a |
| // user starts the FRE in one orientation, changes an orientation and then leaves the FRE |
| // the UiConfig will have the wrong orientation. https://crbug.com/683886. |
| mUiConfig.updateDisplayStyle(); |
| |
| if (visibility == VISIBLE) { |
| updateVoiceSearchButtonVisibility(); |
| } |
| } |
| |
| /** |
| * @see InvalidationAwareThumbnailProvider#shouldCaptureThumbnail() |
| */ |
| public boolean shouldCaptureThumbnail() { |
| return mSnapshotTileGridChanged; |
| } |
| |
| /** |
| * Should be called before a thumbnail of the parent view is captured. |
| * @see InvalidationAwareThumbnailProvider#captureThumbnail(Canvas) |
| */ |
| public void onPreCaptureThumbnail() { |
| mSearchProviderLogoView.endFadeAnimation(); |
| mSnapshotTileGridChanged = false; |
| } |
| |
| /** |
| * Shows the most visited placeholder ("Nothing to see here") if there are no most visited |
| * items and there is no search provider logo. |
| */ |
| private void updateTileGridPlaceholderVisibility() { |
| boolean showPlaceholder = |
| mTileGroup.hasReceivedData() && mTileGroup.isEmpty() && !mSearchProviderHasLogo; |
| |
| mNoSearchLogoSpacer.setVisibility( |
| (mSearchProviderHasLogo || showPlaceholder) ? View.GONE : View.INVISIBLE); |
| |
| mSiteSectionViewHolder.itemView.setVisibility(showPlaceholder ? GONE : VISIBLE); |
| |
| if (showPlaceholder) { |
| if (mTileGridPlaceholder == null) { |
| ViewStub placeholderStub = findViewById(R.id.tile_grid_placeholder_stub); |
| mTileGridPlaceholder = placeholderStub.inflate(); |
| } |
| mTileGridPlaceholder.setVisibility(VISIBLE); |
| } else if (mTileGridPlaceholder != null) { |
| mTileGridPlaceholder.setVisibility(GONE); |
| } |
| } |
| |
| private static int getMaxTileRows() { |
| return 2; |
| } |
| |
| /** |
| * Determines The maximum number of tiles to try and fit in a row. On smaller screens, there |
| * may not be enough space to fit all of them. |
| */ |
| private int getMaxTileColumns() { |
| return 4; |
| } |
| |
| private static int getTileTitleLines() { |
| return 1; |
| } |
| |
| private boolean shouldShowLogo() { |
| return mSearchProviderHasLogo; |
| } |
| |
| private boolean hasLoadCompleted() { |
| return mHasShownView && mTilesLoaded; |
| } |
| |
| // TileGroup.Observer interface. |
| |
| @Override |
| public void onTileDataChanged() { |
| mSiteSectionViewHolder.refreshData(); |
| mSnapshotTileGridChanged = true; |
| |
| // The page contents are initially hidden; otherwise they'll be drawn centered on the page |
| // before the tiles are available and then jump upwards to make space once the tiles are |
| // available. |
| if (getVisibility() != View.VISIBLE) setVisibility(View.VISIBLE); |
| } |
| |
| @Override |
| public void onTileCountChanged() { |
| // If the number of tile rows change while the URL bar is focused, the icons' |
| // position will be wrong. Schedule the translation to be updated. |
| if (mUrlFocusChangePercent == 1f) mTileCountChanged = true; |
| updateTileGridPlaceholderVisibility(); |
| } |
| |
| @Override |
| public void onTileIconChanged(Tile tile) { |
| mSiteSectionViewHolder.updateIconView(tile); |
| mSnapshotTileGridChanged = true; |
| } |
| |
| @Override |
| public void onTileOfflineBadgeVisibilityChanged(Tile tile) { |
| mSiteSectionViewHolder.updateOfflineBadge(tile); |
| mSnapshotTileGridChanged = true; |
| } |
| |
| @Override |
| public void onEnterVr() { |
| mSearchBoxView.setVisibility(GONE); |
| } |
| |
| @Override |
| public void onExitVr() { |
| mSearchBoxView.setVisibility(VISIBLE); |
| } |
| |
| private void onDestroy() { |
| VrModuleProvider.unregisterVrModeObserver(this); |
| // Need to null-check compositor view holder and layout manager since they might've |
| // been cleared by now. |
| if (mOverviewObserver != null && mTab.getActivity() instanceof ChromeTabbedActivity) { |
| ((ChromeTabbedActivity) mTab.getActivity()) |
| .getOverviewModeBehavior() |
| .removeOverviewModeObserver(mOverviewObserver); |
| mOverviewObserver = null; |
| } |
| } |
| |
| /** |
| * Makes the Search Box and Logo as wide as Most Visited. |
| */ |
| private void unifyElementWidths() { |
| if (mSiteSectionView.getVisibility() != GONE) { |
| final int width = mSiteSectionView.getMeasuredWidth() - mTileGridLayoutBleed; |
| measureExactly(mSearchBoxView, width, mSearchBoxView.getMeasuredHeight()); |
| measureExactly(mSearchProviderLogoView, |
| width, mSearchProviderLogoView.getMeasuredHeight()); |
| |
| if (mExploreSectionView != null) { |
| measureExactly(mExploreSectionView, mSiteSectionView.getMeasuredWidth(), |
| mExploreSectionView.getMeasuredHeight()); |
| } |
| } else if (mExploreSectionView != null) { |
| final int exploreWidth = mExploreSectionView.getMeasuredWidth() - mTileGridLayoutBleed; |
| measureExactly(mSearchBoxView, exploreWidth, mSearchBoxView.getMeasuredHeight()); |
| measureExactly(mSearchProviderLogoView, exploreWidth, |
| mSearchProviderLogoView.getMeasuredHeight()); |
| } |
| } |
| |
| /** |
| * Convenience method to call measure() on the given View with MeasureSpecs converted from the |
| * given dimensions (in pixels) with MeasureSpec.EXACTLY. |
| */ |
| private static void measureExactly(View view, int widthPx, int heightPx) { |
| view.measure(MeasureSpec.makeMeasureSpec(widthPx, MeasureSpec.EXACTLY), |
| MeasureSpec.makeMeasureSpec(heightPx, MeasureSpec.EXACTLY)); |
| } |
| |
| /** |
| * Provides the additional capabilities needed for the SearchBox container layout. |
| */ |
| public static class SearchBoxContainerView extends LinearLayout { |
| /** Constructor for inflating from XML. */ |
| public SearchBoxContainerView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent ev) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP |
| && ev.getActionMasked() == MotionEvent.ACTION_DOWN) { |
| if (getBackground() instanceof RippleDrawable) { |
| ((RippleDrawable) getBackground()).setHotspot(ev.getX(), ev.getY()); |
| } |
| } |
| return super.onInterceptTouchEvent(ev); |
| } |
| } |
| } |
