Merge java_staging/src into java/src.

chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentTab.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentTab.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentTab.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentTab.java
deleted file mode 100644
index 38c7be48ff125812c92cce855e21a1f8105ce712..0000000000000000000000000000000000000000
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentTab.java
+++ /dev/null
@@ -1,336 +0,0 @@
-// 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.document;
-
-import android.graphics.Bitmap;
-import android.graphics.Rect;
-
-import org.chromium.base.ObserverList.RewindableIterator;
-import org.chromium.base.VisibleForTesting;
-import org.chromium.base.metrics.RecordUserAction;
-import org.chromium.chrome.browser.ChromeMobileApplication;
-import org.chromium.chrome.browser.EmptyTabObserver;
-import org.chromium.chrome.browser.IntentHandler;
-import org.chromium.chrome.browser.Tab;
-import org.chromium.chrome.browser.TabObserver;
-import org.chromium.chrome.browser.TabState;
-import org.chromium.chrome.browser.TabUma.TabCreationState;
-import org.chromium.chrome.browser.WarmupManager;
-import org.chromium.chrome.browser.WebContentsFactory;
-import org.chromium.chrome.browser.compositor.layouts.content.TabContentManager;
-import org.chromium.chrome.browser.contextmenu.ChromeContextMenuPopulator;
-import org.chromium.chrome.browser.contextmenu.ContextMenuPopulator;
-import org.chromium.chrome.browser.preferences.PrefServiceBridge;
-import org.chromium.chrome.browser.tab.ChromeTab;
-import org.chromium.chrome.browser.tabmodel.TabModel;
-import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType;
-import org.chromium.chrome.browser.tabmodel.document.ActivityDelegate;
-import org.chromium.content_public.browser.LoadUrlParams;
-import org.chromium.content_public.browser.WebContents;
-import org.chromium.content_public.common.Referrer;
-import org.chromium.ui.base.PageTransition;
-import org.chromium.ui.base.WindowAndroid;
-
-/**
- * A Tab child class with Chrome documents specific functionality.
- */
-public class DocumentTab extends ChromeTab {
-    private static final int DESIRED_ICON_SIZE_DP = 32;
-
-    /**
-     * Observer class with extra calls specific to Chrome Documents
-     */
-    public static class DocumentTabObserver extends EmptyTabObserver {
-        /**
-         * Called when a Favicon is received for the current document.
-         * @param image The favicon image that was received.
-         */
-        protected void onFaviconReceived(Bitmap image) { }
-
-        /**
-         * Called when a tab is set to be covered or uncovered by child activity.
-         */
-        protected void onSetCoveredByChildActivity() { }
-    }
-
-    private int mDesiredIconSizePx;
-    private boolean mDidRestoreState;
-
-    // Whether this document tab was constructed from passed-in web contents pointer.
-    private boolean mCreatedFromWebContents;
-
-    private final DocumentActivity mActivity;
-
-    // Whether this tab is covered by its child activity.
-    private boolean mIsCoveredByChildActivity;
-
-    /**
-     * Standard constructor for the document tab.
-     * @param activity The document activity that will hold on to this tab.
-     * @param incognito Whether the tab is incognito.
-     * @param windowAndroid The window that this tab should be using.
-     * @param url The url to load on creation.
-     * @param parentTabId The id of the parent tab.
-     */
-    private DocumentTab(DocumentActivity activity, boolean incognito,
-            WindowAndroid windowAndroid, String url, int parentTabId) {
-        super(ActivityDelegate.getTabIdFromIntent(activity.getIntent()), activity,
-                incognito, windowAndroid, TabLaunchType.FROM_EXTERNAL_APP, parentTabId, null, null);
-        mActivity = activity;
-        initialize(url, null, activity.getTabContentManager(), false);
-    }
-
-    /**
-     * Constructor for document tab from a frozen state.
-     * @param activity The document activity that will hold on to this tab.
-     * @param incognito Whether the tab is incognito.
-     * @param windowAndroid The window that this tab should be using.
-     * @param url The url to load on creation.
-     * @param tabState The {@link TabState} the tab will be recreated from.
-     * @param parentTabId The id of the parent tab.
-     */
-    private DocumentTab(DocumentActivity activity, boolean incognito,
-            WindowAndroid windowAndroid, String url, TabState tabState, int parentTabId) {
-        super(ActivityDelegate.getTabIdFromIntent(activity.getIntent()), activity,
-                incognito, windowAndroid, TabLaunchType.FROM_RESTORE, parentTabId,
-                TabCreationState.FROZEN_ON_RESTORE, tabState);
-        mActivity = activity;
-        initialize(url, null, activity.getTabContentManager(), true);
-    }
-
-    /**
-     * Constructor for tab opened via JS.
-     * @param activity The document activity that will hold on to this tab.
-     * @param incognito Whether the tab is incognito.
-     * @param windowAndroid The window that this tab should be using.
-     * @param url The url to load on creation.
-     * @param parentTabId The id of the parent tab.
-     * @param webContents An optional {@link WebContents} object to use.
-     */
-    private DocumentTab(DocumentActivity activity, boolean incognito,
-            WindowAndroid windowAndroid, String url, int parentTabId, WebContents webContents) {
-        super(ActivityDelegate.getTabIdFromIntent(activity.getIntent()), activity,
-                incognito, windowAndroid, TabLaunchType.FROM_LONGPRESS_FOREGROUND,
-                parentTabId, null, null);
-        mActivity = activity;
-        initialize(url, webContents, activity.getTabContentManager(), false);
-        mCreatedFromWebContents = true;
-    }
-
-    @Override
-    protected void initContentViewCore(WebContents webContents) {
-        super.initContentViewCore(webContents);
-        getContentViewCore().setFullscreenRequiredForOrientationLock(false);
-    }
-
-    /**
-     * Initializes the tab with native web contents.
-     * @param url The url to use for looking up potentially pre-rendered web contents.
-     * @param webContents Optionally, a pre-created web contents.
-     * @param unfreeze Whether we want to initialize the tab from tab state.
-     */
-    private void initialize(String url, WebContents webContents,
-            TabContentManager tabContentManager, boolean unfreeze) {
-        mDesiredIconSizePx = (int) (DESIRED_ICON_SIZE_DP
-                * mActivity.getResources().getDisplayMetrics().density);
-
-        if (!unfreeze && webContents == null) {
-            webContents = WarmupManager.getInstance().hasPrerenderedUrl(url)
-                    ? WarmupManager.getInstance().takePrerenderedWebContents()
-                    : WebContentsFactory.createWebContents(isIncognito(), false);
-        }
-        initialize(webContents, tabContentManager, false);
-        if (unfreeze) mDidRestoreState = unfreezeContents();
-
-        getView().requestFocus();
-    }
-
-    @Override
-    public void onFaviconAvailable(Bitmap image) {
-        super.onFaviconAvailable(image);
-        if (image == null) return;
-        if (image.getWidth() < mDesiredIconSizePx || image.getHeight() < mDesiredIconSizePx) {
-            return;
-        }
-        RewindableIterator<TabObserver> observers = getTabObservers();
-        while (observers.hasNext()) {
-            TabObserver observer = observers.next();
-            if (observer instanceof DocumentTabObserver) {
-                ((DocumentTabObserver) observer).onFaviconReceived(image);
-            }
-        }
-    }
-
-    private class DocumentContextMenuItemDelegate extends TabChromeContextMenuItemDelegate {
-        @Override
-        public boolean isIncognitoSupported() {
-            return PrefServiceBridge.getInstance().isIncognitoModeEnabled();
-        }
-
-        @Override
-        public boolean canLoadOriginalImage() {
-            return mUsedSpdyProxy && !mUsedSpdyProxyWithPassthrough;
-        }
-
-        @Override
-        public boolean isDataReductionProxyEnabledForURL(String url) {
-            return isSpdyProxyEnabledForUrl(url);
-        }
-
-        @Override
-        public boolean startDownload(String url, boolean isLink) {
-            if (isLink && shouldInterceptContextMenuDownload(url)) {
-                return false;
-            }
-            return true;
-        }
-
-        @Override
-        public void onOpenInNewTab(String url, Referrer referrer) {
-            LoadUrlParams params = new LoadUrlParams(url, PageTransition.AUTO_TOPLEVEL);
-            params.setReferrer(referrer);
-            mActivity.getTabModelSelector().openNewTab(params,
-                    TabLaunchType.FROM_LONGPRESS_BACKGROUND, DocumentTab.this, isIncognito());
-        }
-
-        @Override
-        public void onOpenInNewIncognitoTab(String url) {
-            mActivity.getTabModelSelector().openNewTab(
-                    new LoadUrlParams(url, PageTransition.AUTO_TOPLEVEL),
-                    TabLaunchType.FROM_LONGPRESS_FOREGROUND, DocumentTab.this, true);
-        }
-
-        @Override
-        public void onOpenImageInNewTab(String url, Referrer referrer) {
-            boolean useOriginal = isSpdyProxyEnabledForUrl(url);
-
-            LoadUrlParams loadUrlParams = new LoadUrlParams(url);
-            loadUrlParams.setVerbatimHeaders(useOriginal ? PAGESPEED_PASSTHROUGH_HEADER : null);
-            loadUrlParams.setReferrer(referrer);
-            mActivity.getTabModelSelector().openNewTab(loadUrlParams,
-                    TabLaunchType.FROM_LONGPRESS_BACKGROUND, DocumentTab.this, isIncognito());
-        }
-
-        @Override
-        public void onOpenImageUrl(String url, Referrer referrer) {
-            LoadUrlParams loadUrlParams = new LoadUrlParams(url);
-            loadUrlParams.setTransitionType(PageTransition.AUTO_BOOKMARK);
-            loadUrlParams.setReferrer(referrer);
-            loadUrl(loadUrlParams);
-        }
-
-        @Override
-        public void onSearchByImageInNewTab() {
-            RecordUserAction.record("MobileContextMenuSearchByImage");
-            triggerSearchByImage();
-        }
-    }
-
-    @Override
-    protected ContextMenuPopulator createContextMenuPopulator() {
-        return new ChromeContextMenuPopulator(new DocumentContextMenuItemDelegate());
-    }
-
-    /**
-     * A web contents delegate for handling opening new windows in Document mode.
-     */
-    public class DocumentTabChromeWebContentsDelegateAndroidImpl
-            extends TabChromeWebContentsDelegateAndroidImpl {
-        @Override
-        public void webContentsCreated(WebContents sourceWebContents, long openerRenderFrameId,
-                String frameName, String targetUrl, WebContents newWebContents) {
-            // TODO(dfalcantara): Replace with TabObserver, combine with FullScreenActivityTab's
-            //                    WebContentsDelegateAndroidImpl.
-            super.webContentsCreated(sourceWebContents, openerRenderFrameId, frameName,
-                    targetUrl, newWebContents);
-            DocumentWebContentsDelegate.getInstance().attachDelegate(newWebContents);
-        }
-
-        @Override
-        public boolean addNewContents(WebContents sourceWebContents, WebContents webContents,
-                int disposition, Rect initialPosition, boolean userGesture) {
-            if (isClosing()) return false;
-            mActivity.getTabCreator(isIncognito()).createTabWithWebContents(
-                    webContents, getId(), TabLaunchType.FROM_LONGPRESS_FOREGROUND);
-
-            // Returns true because Tabs are created asynchronously.
-            return true;
-        }
-
-        /**
-         * TODO(dfalcantara): remove this when DocumentActivity.getTabModelSelector()
-         * will return the right TabModelSelector.
-         */
-        @Override
-        protected TabModel getTabModel() {
-            return ChromeMobileApplication.getDocumentTabModelSelector().getModel(isIncognito());
-        }
-    }
-
-    @Override
-    protected TabChromeWebContentsDelegateAndroid createWebContentsDelegate() {
-        return new DocumentTabChromeWebContentsDelegateAndroidImpl();
-    }
-
-    /**
-     * @return Whether or not the tab's state was restored.
-     */
-    public boolean didRestoreState() {
-        return mDidRestoreState;
-    }
-
-    /**
-     * @return Whether this tab was created using web contents passed to it.
-     */
-    public boolean isCreatedWithWebContents() {
-        return mCreatedFromWebContents;
-    }
-
-    /**
-     * Create a DocumentTab.
-     * @param activity The activity the tab will be residing in.
-     * @param incognito Whether the tab is incognito.
-     * @param window The window the activity is using.
-     * @param url The url that should be displayed by the tab.
-     * @param webContents A {@link WebContents} object.
-     * @param tabState State that was previously persisted to disk for the Tab.
-     * @return The created {@link DocumentTab}.
-     */
-    static DocumentTab create(DocumentActivity activity, boolean incognito, WindowAndroid window,
-            String url, WebContents webContents, boolean webContentsPaused, TabState tabState) {
-        int parentTabId = activity.getIntent().getIntExtra(
-                IntentHandler.EXTRA_PARENT_TAB_ID, Tab.INVALID_TAB_ID);
-        if (webContents != null) {
-            DocumentTab tab = new DocumentTab(
-                    activity, incognito, window, url, parentTabId, webContents);
-            if (webContentsPaused) webContents.resumeLoadingCreatedWebContents();
-            return tab;
-        }
-
-        if (tabState == null) {
-            return new DocumentTab(activity, incognito, window, url, parentTabId);
-        } else {
-            return new DocumentTab(activity, incognito, window, "", tabState, parentTabId);
-        }
-    }
-
-    @Override
-    public boolean isCoveredByChildActivity() {
-        return mIsCoveredByChildActivity;
-    }
-
-    @Override
-    @VisibleForTesting
-    public void setCoveredByChildActivity(boolean isCoveredByChildActivity) {
-        mIsCoveredByChildActivity = isCoveredByChildActivity;
-        RewindableIterator<TabObserver> observers = getTabObservers();
-        while (observers.hasNext()) {
-            TabObserver observer = observers.next();
-            if (observer instanceof DocumentTabObserver) {
-                ((DocumentTabObserver) observer).onSetCoveredByChildActivity();
-            }
-        }
-    }
-}