Merge java_staging/src into java/src.

chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/StaticLayout.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/StaticLayout.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/StaticLayout.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/StaticLayout.java
deleted file mode 100644
index 70fd1996d098ef7cc1de5046877614e5600d1f3c..0000000000000000000000000000000000000000
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/StaticLayout.java
+++ /dev/null
@@ -1,335 +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.compositor.layouts;
-
-import android.content.Context;
-import android.graphics.Rect;
-import android.os.Handler;
-
-import org.chromium.chrome.R;
-import org.chromium.chrome.browser.Tab;
-import org.chromium.chrome.browser.compositor.LayerTitleCache;
-import org.chromium.chrome.browser.compositor.bottombar.contextualsearch.ContextualSearchPanel;
-import org.chromium.chrome.browser.compositor.layouts.components.LayoutTab;
-import org.chromium.chrome.browser.compositor.layouts.content.TabContentManager;
-import org.chromium.chrome.browser.compositor.layouts.eventfilter.EventFilter;
-import org.chromium.chrome.browser.compositor.scene_layer.ReaderModeSceneLayer;
-import org.chromium.chrome.browser.compositor.scene_layer.SceneLayer;
-import org.chromium.chrome.browser.compositor.scene_layer.StaticTabSceneLayer;
-import org.chromium.chrome.browser.dom_distiller.ReaderModePanel;
-import org.chromium.chrome.browser.dom_distiller.ReaderModePanel.ReaderModePanelLayoutDelegate;
-import org.chromium.chrome.browser.fullscreen.ChromeFullscreenManager;
-import org.chromium.chrome.browser.tab.ChromeTab;
-import org.chromium.chrome.browser.tabmodel.TabModel;
-import org.chromium.chrome.browser.tabmodel.TabModelBase;
-import org.chromium.ui.resources.ResourceManager;
-
-import java.util.Arrays;
-import java.util.LinkedList;
-
-/**
- * A {@link Layout} that shows a single tab at full screen. This tab is chosen based on the
- * {@link #tabSelecting(long, int)} call, and is used to show a thumbnail of a {@link ChromeTab}
- * until that {@link ChromeTab} is ready to be shown.
- */
-public class StaticLayout extends ContextualSearchSupportedLayout {
-    public static final String TAG = "StaticLayout";
-
-    private static final int HIDE_TIMEOUT_MS = 2000;
-    private static final int HIDE_DURATION_MS = 500;
-
-    private boolean mHandlesTabLifecycles;
-
-    private class UnstallRunnable implements Runnable {
-        @Override
-        public void run() {
-            mUnstalling = false;
-            if (mLayoutTabs == null || mLayoutTabs.length == 0) return;
-            addToAnimation(mLayoutTabs[0], LayoutTab.Property.SATURATION,
-                    mLayoutTabs[0].getSaturation(), 1.0f, HIDE_DURATION_MS, 0);
-            addToAnimation(mLayoutTabs[0], LayoutTab.Property.STATIC_TO_VIEW_BLEND,
-                    mLayoutTabs[0].getStaticToViewBlend(), 0.0f, HIDE_DURATION_MS, 0);
-            mLayoutTabs[0].setShouldStall(false);
-        }
-    }
-
-    private final UnstallRunnable mUnstallRunnable;
-    private final Handler mHandler;
-    private boolean mUnstalling;
-    private StaticTabSceneLayer mSceneLayer;
-
-    // TODO(aruslan): look into moving this to an overlay/it's own layout.
-    private ReaderModeSceneLayer mReaderModeSceneLayer;
-    private ReaderModePanel mReaderModePanel;
-
-    /**
-     * Creates an instance of the {@link StaticLayout}.
-     * @param context             The current Android's context.
-     * @param updateHost          The {@link LayoutUpdateHost} view for this layout.
-     * @param renderHost          The {@link LayoutRenderHost} view for this layout.
-     * @param eventFilter         The {@link EventFilter} that is needed for this view.
-     */
-    public StaticLayout(Context context, LayoutUpdateHost updateHost, LayoutRenderHost renderHost,
-            EventFilter eventFilter, ContextualSearchPanel panel) {
-        super(context, updateHost, renderHost, eventFilter, panel);
-
-        mHandler = new Handler();
-        mUnstallRunnable = new UnstallRunnable();
-        mUnstalling = false;
-        mSceneLayer = new StaticTabSceneLayer(R.id.control_container);
-
-        float dpToPx = context.getResources().getDisplayMetrics().density;
-        mReaderModeSceneLayer = new ReaderModeSceneLayer(dpToPx);
-    }
-
-    /**
-     * @param handlesTabLifecycles Whether or not this {@link Layout} should handle tab closing and
-     *                             creating events.
-     */
-    public void setLayoutHandlesTabLifecycles(boolean handlesTabLifecycles) {
-        mHandlesTabLifecycles = handlesTabLifecycles;
-    }
-
-    @Override
-    public int getSizingFlags() {
-        return SizingFlags.HELPER_SUPPORTS_FULLSCREEN;
-    }
-
-    @Override
-    public float getTopControlsOffset(float currentOffsetDp) {
-        if (mReaderModePanel == null) return super.getTopControlsOffset(currentOffsetDp);
-        return mReaderModePanel.getTopControlsOffset(currentOffsetDp);
-    }
-
-    /**
-     * Initialize the layout to be shown.
-     * @param time   The current time of the app in ms.
-     * @param animate Whether to play an entry animation.
-     */
-    @Override
-    public void show(long time, boolean animate) {
-        super.show(time, animate);
-
-        mLayoutTabs = null;
-        setStaticTab(mTabModelSelector.getCurrentTabId());
-    }
-
-    @Override
-    protected void updateLayout(long time, long dt) {
-        super.updateLayout(time, dt);
-        if (mLayoutTabs != null && mLayoutTabs.length > 0) mLayoutTabs[0].updateSnap(dt);
-    }
-
-    @Override
-    public void onTabSelected(long time, int id, int prevId, boolean incognito) {
-        setStaticTab(id);
-        super.onTabSelected(time, id, prevId, incognito);
-    }
-
-    @Override
-    public void onTabSelecting(long time, int id) {
-        setStaticTab(id);
-        super.onTabSelecting(time, id);
-    }
-
-    @Override
-    public void onTabCreated(long time, int tabId, int tabIndex, int sourceTabId,
-            boolean newIsIncognito, boolean background, float originX, float originY) {
-        super.onTabCreated(
-                time, tabId, tabIndex, sourceTabId, newIsIncognito, background, originX, originY);
-        if (!background) setStaticTab(tabId);
-    }
-
-    @Override
-    public void onTabModelSwitched(boolean incognito) {
-        super.onTabModelSwitched(incognito);
-        setStaticTab(mTabModelSelector.getCurrentTabId());
-    }
-
-    @Override
-    public void onTabPageLoadFinished(int id, boolean incognito) {
-        super.onTabPageLoadFinished(id, incognito);
-        unstallImmediately(id);
-    }
-
-    private void setPreHideState() {
-        mHandler.removeCallbacks(mUnstallRunnable);
-        mLayoutTabs[0].setStaticToViewBlend(1.0f);
-        mLayoutTabs[0].setSaturation(0.0f);
-        mUnstalling = true;
-    }
-
-    private void setPostHideState() {
-        mHandler.removeCallbacks(mUnstallRunnable);
-        mLayoutTabs[0].setStaticToViewBlend(0.0f);
-        mLayoutTabs[0].setSaturation(1.0f);
-        mUnstalling = false;
-    }
-
-    private void setStaticTab(final int id) {
-        if (mLayoutTabs != null && mLayoutTabs.length > 0 && mLayoutTabs[0].getId() == id) {
-            if (!mLayoutTabs[0].shouldStall()) setPostHideState();
-            return;
-        }
-        TabModel model = mTabModelSelector.getModelForTabId(id);
-        if (model == null) return;
-        updateCacheVisibleIds(new LinkedList<Integer>(Arrays.asList(id)));
-        if (mLayoutTabs == null || mLayoutTabs.length != 1) mLayoutTabs = new LayoutTab[1];
-        mLayoutTabs[0] = createLayoutTab(id, model.isIncognito(), NO_CLOSE_BUTTON, NO_TITLE);
-        mLayoutTabs[0].setDrawDecoration(false);
-        if (mLayoutTabs[0].shouldStall()) {
-            setPreHideState();
-            mHandler.postDelayed(mUnstallRunnable, HIDE_TIMEOUT_MS);
-        } else {
-            setPostHideState();
-        }
-        mReaderModePanel = ReaderModePanel.getReaderModePanel(mTabModelSelector.getTabById(id));
-        if (mReaderModePanel != null) {
-            mReaderModePanel.setLayoutDelegate(new ReaderModePanelLayoutDelegate() {
-                @Override
-                public void requestUpdate() {
-                    StaticLayout.this.requestUpdate();
-                }
-
-                @Override
-                public void setLayoutTabBrightness(float v) {
-                    if (mLayoutTabs != null && mLayoutTabs.length > 0
-                            && mLayoutTabs[0].getId() == id) {
-                        mLayoutTabs[0].setBrightness(v);
-                    }
-                }
-
-                @Override
-                public void setLayoutTabY(float v) {
-                    if (mLayoutTabs != null && mLayoutTabs.length > 0
-                            && mLayoutTabs[0].getId() == id) {
-                        mLayoutTabs[0].setY(v);
-                    }
-                }
-            });
-            final boolean isToolbarVisible = getHeight() == getHeightMinusTopControls();
-            final float dpToPx = getContext().getResources().getDisplayMetrics().density;
-            mReaderModePanel.onSizeChanged(getWidth(), getHeight(), isToolbarVisible, dpToPx);
-        }
-        requestRender();
-    }
-
-    /**
-     * @return Currently active reader mode panel, or null.
-     */
-    public ReaderModePanel getReaderModePanel() {
-        return mReaderModePanel;
-    }
-
-    @Override
-    public void unstallImmediately(int tabId) {
-        if (mLayoutTabs != null && mLayoutTabs.length > 0 && mLayoutTabs[0].getId() == tabId) {
-            unstallImmediately();
-        }
-    }
-
-    @Override
-    public void unstallImmediately() {
-        if (mLayoutTabs != null && mLayoutTabs.length > 0 && mLayoutTabs[0].shouldStall()
-                && mUnstalling) {
-            mHandler.removeCallbacks(mUnstallRunnable);
-            mUnstallRunnable.run();
-        }
-    }
-
-    @Override
-    public boolean handlesTabCreating() {
-        return mHandlesTabLifecycles;
-    }
-
-    @Override
-    public boolean handlesTabClosing() {
-        return mHandlesTabLifecycles;
-    }
-
-    @Override
-    public boolean handlesCloseAll() {
-        return mHandlesTabLifecycles;
-    }
-
-    @Override
-    public boolean shouldDisplayContentOverlay() {
-        return true;
-    }
-
-    @Override
-    public boolean isTabInteractive() {
-        return mLayoutTabs != null && mLayoutTabs.length > 0;
-    }
-
-    @Override
-    protected SceneLayer getSceneLayer() {
-        return mSceneLayer;
-    }
-
-    @Override
-    protected void notifySizeChanged(float width, float height, int orientation) {
-        super.notifySizeChanged(width, height, orientation);
-        if (mReaderModePanel == null) return;
-
-        final boolean isToolbarVisible = getHeight() == getHeightMinusTopControls();
-        final float dpToPx = getContext().getResources().getDisplayMetrics().density;
-        mReaderModePanel.onSizeChanged(width, height, isToolbarVisible, dpToPx);
-    }
-
-    @Override
-    protected boolean onUpdateAnimation(long time, boolean jumpToEnd) {
-        boolean parentAnimating = super.onUpdateAnimation(time, jumpToEnd);
-        boolean panelAnimating = mReaderModePanel != null
-                ? mReaderModePanel.onUpdateAnimation(time, jumpToEnd)
-                : false;
-        return panelAnimating || parentAnimating;
-    }
-
-    @Override
-    protected void updateSceneLayer(Rect viewport, Rect contentViewport,
-            LayerTitleCache layerTitleCache, TabContentManager tabContentManager,
-            ResourceManager resourceManager, ChromeFullscreenManager fullscreenManager) {
-        super.updateSceneLayer(viewport, contentViewport, layerTitleCache, tabContentManager,
-                resourceManager, fullscreenManager);
-        assert mSceneLayer != null;
-
-        final LayoutTab[] tabs = getLayoutTabsToRender();
-        if (tabs == null || tabs.length != 1 || tabs[0].getId() == Tab.INVALID_TAB_ID) {
-            return;
-        }
-        LayoutTab layoutTab = tabs[0];
-        final float dpToPx = getContext().getResources().getDisplayMetrics().density;
-
-        mReaderModeSceneLayer.update(mReaderModePanel, resourceManager);
-
-        mSceneLayer.update(dpToPx, contentViewport, layerTitleCache, tabContentManager,
-                fullscreenManager, layoutTab);
-
-        // TODO(pedrosimonetti): Coordinate w/ dtrainor@ to improve integration with TreeProvider.
-        SceneLayer overlayLayer = null;
-        if (mSearchPanel.isShowing()) {
-            overlayLayer = super.getSceneLayer();
-        } else if (mReaderModePanel != null && mReaderModePanel.isShowing()) {
-            overlayLayer = mReaderModeSceneLayer;
-        }
-        mSceneLayer.setContentSceneLayer(overlayLayer);
-
-        // TODO(dtrainor): Find the best way to properly track this metric for cold starts.
-        // We should probably erase the thumbnail when we select a tab that we need to restore.
-        if (tabContentManager != null
-                && tabContentManager.hasFullCachedThumbnail(layoutTab.getId())) {
-            TabModelBase.logPerceivedTabSwitchLatencyMetric();
-        }
-    }
-
-    @Override
-    public void destroy() {
-        if (mSceneLayer != null) {
-            mSceneLayer.destroy();
-            mSceneLayer = null;
-        }
-    }
-}