Chromium Code Reviews| Index: chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java |
| diff --git a/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java b/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java |
| index 141a6837ebf1b95787131aa8bc9debf7e4d6be8c..d229033a4f3cbb6b829336753631112ef8d09230 100644 |
| --- a/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java |
| +++ b/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java |
| @@ -8,18 +8,12 @@ import android.content.Context; |
| import android.text.TextUtils; |
| import org.chromium.base.CommandLine; |
| -import org.chromium.base.SysUtils; |
| -import org.chromium.base.VisibleForTesting; |
| import org.chromium.base.library_loader.LibraryLoader; |
| import org.chromium.base.metrics.RecordHistogram; |
| import org.chromium.chrome.browser.ChromeActivity; |
| import org.chromium.chrome.browser.ChromeSwitches; |
| -import org.chromium.chrome.browser.compositor.bottombar.OverlayPanel.PanelState; |
| import org.chromium.chrome.browser.compositor.bottombar.OverlayPanel.StateChangeReason; |
| -import org.chromium.chrome.browser.compositor.bottombar.readermode.ReaderModePanel; |
| -import org.chromium.chrome.browser.infobar.InfoBar; |
| -import org.chromium.chrome.browser.infobar.InfoBarContainer; |
| -import org.chromium.chrome.browser.infobar.InfoBarContainer.InfoBarContainerObserver; |
| +import org.chromium.chrome.browser.infobar.ReaderModeInfoBar; |
| import org.chromium.chrome.browser.rappor.RapporServiceBridge; |
| import org.chromium.chrome.browser.tab.Tab; |
| import org.chromium.chrome.browser.tabmodel.TabCreatorManager; |
| @@ -27,14 +21,14 @@ import org.chromium.chrome.browser.tabmodel.TabModel; |
| import org.chromium.chrome.browser.tabmodel.TabModelSelector; |
| import org.chromium.chrome.browser.tabmodel.TabModelSelectorTabObserver; |
| import org.chromium.chrome.browser.util.AccessibilityUtil; |
| -import org.chromium.chrome.browser.widget.findinpage.FindToolbarObserver; |
| import org.chromium.components.dom_distiller.content.DistillablePageUtils; |
| import org.chromium.components.dom_distiller.core.DomDistillerUrlUtils; |
| import org.chromium.content_public.browser.LoadUrlParams; |
| +import org.chromium.content_public.browser.NavigationController; |
| +import org.chromium.content_public.browser.NavigationEntry; |
| import org.chromium.content_public.browser.WebContents; |
| import org.chromium.content_public.browser.WebContentsObserver; |
| import org.chromium.ui.UiUtils; |
| -import org.chromium.ui.base.DeviceFormFactor; |
| import org.chromium.ui.base.PageTransition; |
| import java.util.HashMap; |
| @@ -46,55 +40,43 @@ import java.util.concurrent.TimeUnit; |
| * reader mode and reader mode preferences toolbar icon and hiding the |
| * browser controls when a reader mode page has finished loading. |
| */ |
| -public class ReaderModeManager extends TabModelSelectorTabObserver |
| - implements InfoBarContainerObserver, ReaderModeManagerDelegate { |
| - |
| - /** |
| - * POSSIBLE means reader mode can be entered. |
| - */ |
| +public class ReaderModeManager |
| + extends TabModelSelectorTabObserver implements ReaderModeManagerDelegate { |
| + /** POSSIBLE means reader mode can be entered. */ |
| public static final int POSSIBLE = 0; |
| - /** |
| - * NOT_POSSIBLE means reader mode cannot be entered. |
| - */ |
| + /** NOT_POSSIBLE means reader mode cannot be entered. */ |
| public static final int NOT_POSSIBLE = 1; |
| - /** |
| - * STARTED means reader mode is currently in reader mode. |
| - */ |
| + /** STARTED means reader mode is currently in reader mode. */ |
| public static final int STARTED = 2; |
| - // The url of the last page visited if the last page was reader mode page. Otherwise null. |
| + /** The url of the last page visited if the last page was reader mode page. Otherwise null. */ |
| private String mReaderModePageUrl; |
| - // Whether the fact that the current web page was distillable or not has been recorded. |
| + /** Whether the fact that the current web page was distillable or not has been recorded. */ |
| private boolean mIsUmaRecorded; |
| - // The per-tab state of distillation. |
| + /** The per-tab state of distillation. */ |
| protected Map<Integer, ReaderModeTabInfo> mTabStatusMap; |
| - // The current tab ID. This will change as the user switches between tabs. |
| + /** The current tab ID. This will change as the user switches between tabs. */ |
| private int mTabId; |
| - // The ReaderModePanel that this class is managing. |
| - protected ReaderModePanel mReaderModePanel; |
| - |
| - // The ChromeActivity that this panel exists in. |
| + /** The ChromeActivity that this panel exists in. */ |
| private ChromeActivity mChromeActivity; |
| - // The primary means of getting the currently active tab. |
| + /** The primary means of getting the currently active tab. */ |
| private TabModelSelector mTabModelSelector; |
| - private boolean mIsFullscreenModeEntered; |
| - private boolean mIsFindToolbarShowing; |
| - private boolean mIsKeyboardShowing; |
| - |
| - // InfoBar tracking. |
| - private boolean mIsInfoBarContainerShown; |
| - |
| - // If Reader Mode is detecting all pages as distillable. |
| + /** If Reader Mode is detecting all pages as distillable. */ |
| private boolean mIsReaderHeuristicAlwaysTrue; |
| + /** Whether or not the previous navigation should be removed. */ |
| + private boolean mShouldRemovePreviousNavigation; |
| + |
| + /** The index of the last committed distiller page in history. */ |
| + private int mLastDistillerPageIndex; |
| public ReaderModeManager(TabModelSelector selector, ChromeActivity activity) { |
| super(selector); |
| @@ -129,29 +111,9 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| DomDistillerUIUtils.destroy(this); |
| mChromeActivity = null; |
| - mReaderModePanel = null; |
| mTabModelSelector = null; |
| } |
| - /** |
| - * @return A FindToolbarObserver capable of hiding the Reader Mode panel. |
| - */ |
| - public FindToolbarObserver getFindToolbarObserver() { |
| - return new FindToolbarObserver() { |
| - @Override |
| - public void onFindToolbarShown() { |
| - mIsFindToolbarShowing = true; |
| - closeReaderPanel(StateChangeReason.UNKNOWN, true); |
| - } |
| - |
| - @Override |
| - public void onFindToolbarHidden() { |
| - mIsFindToolbarShowing = false; |
| - requestReaderPanelShow(StateChangeReason.UNKNOWN); |
| - } |
| - }; |
| - } |
| - |
| // TabModelSelectorTabObserver: |
| @Override |
| @@ -159,7 +121,6 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| if (mTabModelSelector == null) return; |
| int shownTabId = shownTab.getId(); |
| - Tab previousTab = mTabModelSelector.getTabById(mTabId); |
| mTabId = shownTabId; |
| // If the reader panel was dismissed, stop here. |
| @@ -171,20 +132,6 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| // Set this manager as the active one for the UI utils. |
| DomDistillerUIUtils.setReaderModeManagerDelegate(this); |
| - // Update infobar state based on current tab. |
| - if (shownTab.getInfoBarContainer() != null) { |
| - mIsInfoBarContainerShown = shownTab.getInfoBarContainer().hasInfoBars(); |
| - } |
| - |
| - // Remove the infobar observer from the previous tab and attach it to the current one. |
| - if (previousTab != null && previousTab.getInfoBarContainer() != null) { |
| - previousTab.getInfoBarContainer().removeObserver(this); |
| - } |
| - |
| - if (shownTab.getInfoBarContainer() != null) { |
| - shownTab.getInfoBarContainer().addObserver(this); |
| - } |
| - |
| // If there is no state info for this tab, create it. |
| ReaderModeTabInfo tabInfo = mTabStatusMap.get(shownTabId); |
| if (tabInfo == null) { |
| @@ -202,7 +149,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| // Make sure there is a distillability delegate set on the WebContents. |
| setDistillabilityCallback(shownTabId); |
| - requestReaderPanelShow(StateChangeReason.UNKNOWN); |
| + tryShowingInfoBar(); |
| } |
| @Override |
| @@ -213,9 +160,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| @Override |
| public void onDestroyed(Tab tab) { |
| if (tab == null) return; |
| - if (tab.getInfoBarContainer() != null) { |
| - tab.getInfoBarContainer().removeObserver(this); |
| - } |
| + |
| // If the panel was not shown for the previous navigation, record it now. |
| ReaderModeTabInfo info = mTabStatusMap.get(tab.getId()); |
| if (info != null && !info.isPanelShowRecorded()) { |
| @@ -224,6 +169,33 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| removeTabState(tab.getId()); |
| } |
| + @Override |
| + public void onPageLoadStarted(Tab tab, String url) { |
| + // Reader Mode should not pollute the navigation stack. To avoid this, watch for navigations |
| + // and prepare to remove any that are "chrome-distiller" urls. |
| + NavigationController controller = tab.getWebContents().getNavigationController(); |
| + int index = controller.getLastCommittedEntryIndex(); |
| + NavigationEntry entry = controller.getEntryAtIndex(index); |
| + if (entry == null) return; |
| + |
| + if (DomDistillerUrlUtils.isDistilledPage(entry.getUrl())) { |
| + mShouldRemovePreviousNavigation = true; |
| + mLastDistillerPageIndex = index; |
| + } |
| + } |
| + |
| + @Override |
| + public void onDidFinishNavigation(Tab tab, String url, boolean isInMainFrame, |
| + boolean isErrorPage, boolean hasCommitted, boolean isSameDocument, |
| + boolean isFragmentNavigation, Integer pageTransition, int errorCode, |
| + int httpStatusCode) { |
| + if (!hasCommitted || !mShouldRemovePreviousNavigation || !isInMainFrame) return; |
| + |
| + mShouldRemovePreviousNavigation = false; |
| + NavigationController controller = tab.getWebContents().getNavigationController(); |
| + controller.removeEntryAtIndex(mLastDistillerPageIndex); |
| + } |
| + |
| /** |
| * Clean up the state associated with a tab. |
| * @param tabId The target tab ID. |
| @@ -264,62 +236,10 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| // Make sure there is a distillability delegate set on the WebContents. |
| setDistillabilityCallback(tab.getId()); |
| } |
| - |
| - if (tab.getInfoBarContainer() != null) tab.getInfoBarContainer().addObserver(this); |
| - } |
| - |
| - @Override |
| - public void onToggleFullscreenMode(Tab tab, boolean enable) { |
| - // Temporarily hide the reader mode panel while fullscreen is enabled. |
| - if (enable) { |
| - mIsFullscreenModeEntered = true; |
| - closeReaderPanel(StateChangeReason.FULLSCREEN_ENTERED, false); |
| - } else { |
| - mIsFullscreenModeEntered = false; |
| - requestReaderPanelShow(StateChangeReason.FULLSCREEN_EXITED); |
| - } |
| - } |
| - |
| - // InfoBarContainerObserver: |
| - |
| - @Override |
| - public void onAddInfoBar(InfoBarContainer container, InfoBar infoBar, boolean isFirst) { |
| - mIsInfoBarContainerShown = true; |
| - // If the panel is opened past the peeking state, obscure the infobar. |
| - if (mReaderModePanel != null && mReaderModePanel.isPanelOpened() && container != null) { |
| - container.setIsObscuredByOtherView(true); |
| - } else if (isFirst) { |
| - // Temporarily hides the reader mode button while the infobars are shown. |
| - closeReaderPanel(StateChangeReason.INFOBAR_SHOWN, false); |
| - } |
| - } |
| - |
| - @Override |
| - public void onRemoveInfoBar(InfoBarContainer container, InfoBar infoBar, boolean isLast) { |
| - // Re-shows the reader mode button if necessary once the infobars are dismissed. |
| - if (isLast) { |
| - mIsInfoBarContainerShown = false; |
| - requestReaderPanelShow(StateChangeReason.INFOBAR_HIDDEN); |
| - } |
| - } |
| - |
| - @Override |
| - public void onInfoBarContainerAttachedToWindow(boolean hasInfoBars) { |
| - mIsInfoBarContainerShown = hasInfoBars; |
| - if (mIsInfoBarContainerShown) { |
| - closeReaderPanel(StateChangeReason.INFOBAR_SHOWN, false); |
| - } else { |
| - requestReaderPanelShow(StateChangeReason.INFOBAR_HIDDEN); |
| - } |
| } |
| // ReaderModeManagerDelegate: |
| - @Override |
| - public void setReaderModePanel(ReaderModePanel panel) { |
| - mReaderModePanel = panel; |
| - } |
| - |
| @Override |
| public ChromeActivity getChromeActivity() { |
| return mChromeActivity; |
| @@ -351,9 +271,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| @Override |
| public void onClosed(StateChangeReason reason) { |
| - if (mReaderModePanel == null || mTabModelSelector == null) return; |
| - |
| - restoreInfobars(); |
| + if (mTabModelSelector == null) return; |
| // Only dismiss the panel if the close was a result of user interaction. |
| if (reason != StateChangeReason.FLING && reason != StateChangeReason.SWIPE |
|
Theresa
2017/05/11 22:31:19
StateChangeReason doesn't really apply anymore rig
mdjones
2017/05/12 19:13:10
Done.
|
| @@ -361,41 +279,13 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| return; |
| } |
| - // Record close button usage. |
| - if (reason == StateChangeReason.CLOSE_BUTTON) { |
| - RecordHistogram.recordBooleanHistogram("DomDistiller.BarCloseButtonUsage", |
| - mReaderModePanel.getPanelState() == PanelState.EXPANDED |
| - || mReaderModePanel.getPanelState() == PanelState.MAXIMIZED); |
| - } |
| + RecordHistogram.recordBooleanHistogram("DomDistiller.InfoBarUsage", false); |
| int currentTabId = mTabModelSelector.getCurrentTabId(); |
| if (!mTabStatusMap.containsKey(currentTabId)) return; |
| mTabStatusMap.get(currentTabId).setIsDismissed(true); |
| } |
| - @Override |
| - public void onPeek() { |
| - restoreInfobars(); |
| - } |
| - |
| - /** |
| - * Restore any infobars that may have been hidden by Reader Mode. |
| - */ |
| - private void restoreInfobars() { |
| - if (!mIsInfoBarContainerShown) return; |
| - |
| - Tab curTab = mTabModelSelector.getCurrentTab(); |
| - if (curTab == null) return; |
| - |
| - InfoBarContainer container = curTab.getInfoBarContainer(); |
| - if (container == null) return; |
| - |
| - container.setIsObscuredByOtherView(false); |
| - |
| - // Temporarily hides the reader mode button while the infobars are shown. |
| - closeReaderPanel(StateChangeReason.INFOBAR_SHOWN, false); |
| - } |
| - |
| @Override |
| public WebContents getBasePageWebContents() { |
| Tab tab = mTabModelSelector.getCurrentTab(); |
| @@ -406,8 +296,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| @Override |
| public void closeReaderPanel(StateChangeReason reason, boolean animate) { |
| - if (mReaderModePanel == null) return; |
| - mReaderModePanel.closePanel(reason, animate); |
| + // TODO(mdjones): Remove this method and dependencies. |
|
Theresa
2017/05/11 22:31:19
InfoBar handles automatically dismissing itself?
mdjones
2017/05/12 19:13:10
In most cases where we want it, yes. That's the ni
|
| } |
| @Override |
| @@ -416,17 +305,6 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| timeMs, TimeUnit.MILLISECONDS); |
| } |
| - @Override |
| - public void onLayoutChanged() { |
| - if (isKeyboardShowing()) { |
| - mIsKeyboardShowing = true; |
| - closeReaderPanel(StateChangeReason.KEYBOARD_SHOWN, false); |
| - } else if (mIsKeyboardShowing) { |
| - mIsKeyboardShowing = false; |
| - requestReaderPanelShow(StateChangeReason.KEYBOARD_HIDDEN); |
| - } |
| - } |
| - |
| /** |
| * @return True if the keyboard might be showing. This is not 100% accurate; see |
| * UiUtils.isKeyboardShowing(...). |
| @@ -470,7 +348,6 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| // TODO(cjhopman): This should possibly ignore navigations that replace the entry |
| // (like those from history.replaceState()). |
| if (!hasCommitted || !isInMainFrame || isSameDocument) return; |
| - if (DomDistillerUrlUtils.isDistilledPage(url)) return; |
| // Make sure the tab was not destroyed. |
| ReaderModeTabInfo tabInfo = mTabStatusMap.get(readerTabId); |
| @@ -488,7 +365,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| if (tabInfo.getStatus() != POSSIBLE) { |
| closeReaderPanel(StateChangeReason.UNKNOWN, false); |
| } else { |
| - requestReaderPanelShow(StateChangeReason.UNKNOWN); |
| + tryShowingInfoBar(); |
| } |
| } |
| @@ -512,11 +389,9 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| } |
| /** |
| - * This is a wrapper for "requestPanelShow" that checks if reader mode is possible before |
| - * showing. |
| - * @param reason The reason the panel is requesting to be shown. |
| + * Try showing the reader mode infobar. |
| */ |
| - protected void requestReaderPanelShow(StateChangeReason reason) { |
| + protected void tryShowingInfoBar() { |
| if (mTabModelSelector == null) return; |
| int currentTabId = mTabModelSelector.getCurrentTabId(); |
| @@ -528,19 +403,29 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| && getBasePageWebContents().getNavigationController().getUseDesktopUserAgent() |
| && !mIsReaderHeuristicAlwaysTrue; |
| - if (mReaderModePanel == null || !mTabStatusMap.containsKey(currentTabId) |
| - || usingRequestDesktopSite |
| + if (!mTabStatusMap.containsKey(currentTabId) || usingRequestDesktopSite |
| || mTabStatusMap.get(currentTabId).getStatus() != POSSIBLE |
| || mTabStatusMap.get(currentTabId).isDismissed() |
| - || mIsInfoBarContainerShown |
| - || mIsFindToolbarShowing |
| - || mIsFullscreenModeEntered |
| - || mIsKeyboardShowing |
| || AccessibilityUtil.isAccessibilityEnabled()) { |
| return; |
| } |
| - mReaderModePanel.requestPanelShow(reason); |
| + ReaderModeInfoBar.showReaderModeInfoBar(mTabModelSelector.getCurrentTab(), this); |
| + } |
| + |
| + /** |
| + * Navigate the current tab to a Reader Mode URL. |
| + */ |
| + public void navigateToReaderMode() { |
| + RecordHistogram.recordBooleanHistogram("DomDistiller.InfoBarUsage", true); |
| + |
| + WebContents baseWebContents = getBasePageWebContents(); |
| + if (baseWebContents == null || mChromeActivity == null || mTabModelSelector == null) return; |
| + |
| + String url = baseWebContents.getUrl(); |
| + if (url == null) return; |
| + |
| + DomDistillerTabUtils.distillCurrentPageAndView(getBasePageWebContents()); |
| } |
| /** |
| @@ -562,22 +447,6 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| TabModel.TabLaunchType.FROM_LINK, mChromeActivity.getActivityTab()); |
| } |
| - /** |
| - * @return Whether the Reader Mode panel is opened (state is EXPANDED or MAXIMIZED). |
| - */ |
| - public boolean isPanelOpened() { |
| - if (mReaderModePanel == null) return false; |
| - return mReaderModePanel.isPanelOpened(); |
| - } |
| - |
| - /** |
| - * @return The ReaderModePanel for testing. |
| - */ |
| - @VisibleForTesting |
| - public ReaderModePanel getPanelForTesting() { |
| - return mReaderModePanel; |
| - } |
| - |
| /** |
| * Set the callback for updating reader mode status based on whether or not the page should |
| * be viewed in reader mode. |
| @@ -617,8 +486,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| tabInfo.setStatus(POSSIBLE); |
| // The user may have changed tabs. |
| if (tabId == mTabModelSelector.getCurrentTabId()) { |
| - // TODO(mdjones): Add reason DISTILLER_STATE_CHANGE. |
| - requestReaderPanelShow(StateChangeReason.UNKNOWN); |
| + tryShowingInfoBar(); |
| } |
| } else { |
| tabInfo.setStatus(NOT_POSSIBLE); |
| @@ -643,10 +511,8 @@ public class ReaderModeManager extends TabModelSelectorTabObserver |
| boolean enabled = CommandLine.getInstance().hasSwitch(ChromeSwitches.ENABLE_DOM_DISTILLER) |
| && !CommandLine.getInstance().hasSwitch( |
| - ChromeSwitches.DISABLE_READER_MODE_BOTTOM_BAR) |
| - && !DeviceFormFactor.isTablet(context) |
| - && DomDistillerTabUtils.isDistillerHeuristicsEnabled() |
| - && !SysUtils.isLowEndDevice(); |
| + ChromeSwitches.DISABLE_READER_MODE_BOTTOM_BAR) |
| + && DomDistillerTabUtils.isDistillerHeuristicsEnabled(); |
| return enabled; |
| } |
| } |