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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 package org.chromium.chrome.browser.compositor.layouts; |
| 6 |
| 7 import android.content.Context; |
| 8 import android.graphics.Rect; |
| 9 import android.view.View; |
| 10 import android.view.ViewGroup; |
| 11 |
| 12 import org.chromium.chrome.browser.compositor.LayerTitleCache; |
| 13 import org.chromium.chrome.browser.compositor.bottombar.contextualsearch.Context
ualSearchPanel; |
| 14 import org.chromium.chrome.browser.compositor.bottombar.contextualsearch.Context
ualSearchPanelHost; |
| 15 import org.chromium.chrome.browser.compositor.layouts.content.TabContentManager; |
| 16 import org.chromium.chrome.browser.compositor.layouts.eventfilter.EventFilter; |
| 17 import org.chromium.chrome.browser.compositor.scene_layer.ContextualSearchSceneL
ayer; |
| 18 import org.chromium.chrome.browser.compositor.scene_layer.SceneLayer; |
| 19 import org.chromium.chrome.browser.fullscreen.ChromeFullscreenManager; |
| 20 import org.chromium.content.browser.ContentViewCore; |
| 21 import org.chromium.ui.resources.ResourceManager; |
| 22 |
| 23 import java.util.List; |
| 24 |
| 25 /** |
| 26 * A {@link Layout} that can show a Contextual Search overlay that shows at the |
| 27 * bottom and can be swiped upwards. |
| 28 */ |
| 29 public abstract class ContextualSearchSupportedLayout extends Layout { |
| 30 /** |
| 31 * The {@link ContextualSearchPanelHost} that allows the {@link ContextualSe
archPanel} to |
| 32 * communicate back to the Layout. |
| 33 */ |
| 34 protected final ContextualSearchPanelHost mContextualSearchPanelHost; |
| 35 |
| 36 /** |
| 37 * The {@link ContextualSearchPanel} that represents the Contextual Search U
I. |
| 38 */ |
| 39 protected final ContextualSearchPanel mSearchPanel; |
| 40 |
| 41 /** |
| 42 * The {@link SceneLayer} that renders contextual search UI. |
| 43 */ |
| 44 private final ContextualSearchSceneLayer mContextualSearchSceneLayer; |
| 45 |
| 46 /** |
| 47 * Size of half pixel in dps. |
| 48 */ |
| 49 private final float mHalfPixelDp; |
| 50 |
| 51 /** |
| 52 * @param context The current Android context. |
| 53 * @param updateHost The {@link LayoutUpdateHost} view for this layout. |
| 54 * @param renderHost The {@link LayoutRenderHost} view for this layout. |
| 55 * @param eventFilter The {@link EventFilter} that is needed for this view. |
| 56 * @param panel The {@link ContextualSearchPanel} that represents the Contex
tual Search UI. |
| 57 */ |
| 58 public ContextualSearchSupportedLayout(Context context, LayoutUpdateHost upd
ateHost, |
| 59 LayoutRenderHost renderHost, EventFilter eventFilter, ContextualSear
chPanel panel) { |
| 60 super(context, updateHost, renderHost, eventFilter); |
| 61 |
| 62 mContextualSearchPanelHost = new ContextualSearchPanelHost() { |
| 63 @Override |
| 64 public void hideLayout(boolean immediately) { |
| 65 ContextualSearchSupportedLayout.this.hideContextualSearch(immedi
ately); |
| 66 } |
| 67 }; |
| 68 |
| 69 mSearchPanel = panel; |
| 70 float dpToPx = context.getResources().getDisplayMetrics().density; |
| 71 mHalfPixelDp = 0.5f / dpToPx; |
| 72 mContextualSearchSceneLayer = new ContextualSearchSceneLayer(dpToPx, pan
el); |
| 73 } |
| 74 |
| 75 @Override |
| 76 public void attachViews(ViewGroup container) { |
| 77 mSearchPanel.setContainerView(container); |
| 78 } |
| 79 |
| 80 @Override |
| 81 public void getAllViews(List<View> views) { |
| 82 // TODO(dtrainor): If we move ContextualSearch to an overlay, pull the v
iews from there |
| 83 // instead in Layout.java. |
| 84 if (mSearchPanel != null && mSearchPanel.getManagementDelegate() != null
) { |
| 85 ContentViewCore content = |
| 86 mSearchPanel.getManagementDelegate().getSearchContentViewCor
e(); |
| 87 if (content != null) views.add(content.getContainerView()); |
| 88 } |
| 89 super.getAllViews(views); |
| 90 } |
| 91 |
| 92 @Override |
| 93 public void getAllContentViewCores(List<ContentViewCore> contents) { |
| 94 // TODO(dtrainor): If we move ContextualSearch to an overlay, pull the c
ontent from there |
| 95 // instead in Layout.java. |
| 96 if (mSearchPanel != null && mSearchPanel.getManagementDelegate() != null
) { |
| 97 ContentViewCore content = |
| 98 mSearchPanel.getManagementDelegate().getSearchContentViewCor
e(); |
| 99 if (content != null) contents.add(content); |
| 100 } |
| 101 super.getAllContentViewCores(contents); |
| 102 } |
| 103 |
| 104 @Override |
| 105 public void show(long time, boolean animate) { |
| 106 mSearchPanel.setHost(mContextualSearchPanelHost); |
| 107 super.show(time, animate); |
| 108 } |
| 109 |
| 110 /** |
| 111 * Hides the Contextual Search Supported Layout. |
| 112 * @param immediately Whether it should be hidden immediately. |
| 113 */ |
| 114 protected void hideContextualSearch(boolean immediately) { |
| 115 // NOTE(pedrosimonetti): To be implemented by a supported Layout. |
| 116 } |
| 117 |
| 118 @Override |
| 119 protected void notifySizeChanged(float width, float height, int orientation)
{ |
| 120 super.notifySizeChanged(width, height, orientation); |
| 121 |
| 122 // NOTE(pedrosimonetti): Due to some floating point madness, getHeight()
and |
| 123 // getHeightMinusTopControls() might not always be the same when the Too
lbar is |
| 124 // visible. For this reason, we're comparing to see if the difference be
tween them |
| 125 // is less than half pixel. If so, it means the Toolbar is visible. |
| 126 final boolean isToolbarVisible = getHeight() - getHeightMinusTopControls
() <= mHalfPixelDp; |
| 127 mSearchPanel.onSizeChanged(width, height, isToolbarVisible); |
| 128 } |
| 129 |
| 130 @Override |
| 131 protected boolean onUpdateAnimation(long time, boolean jumpToEnd) { |
| 132 boolean parentAnimating = super.onUpdateAnimation(time, jumpToEnd); |
| 133 boolean panelAnimating = mSearchPanel.onUpdateAnimation(time, jumpToEnd)
; |
| 134 return panelAnimating || parentAnimating; |
| 135 } |
| 136 |
| 137 @Override |
| 138 protected SceneLayer getSceneLayer() { |
| 139 return mContextualSearchSceneLayer; |
| 140 } |
| 141 |
| 142 @Override |
| 143 protected void updateSceneLayer(Rect viewport, Rect contentViewport, |
| 144 LayerTitleCache layerTitleCache, TabContentManager tabContentManager
, |
| 145 ResourceManager resourceManager, ChromeFullscreenManager fullscreenM
anager) { |
| 146 super.updateSceneLayer(viewport, contentViewport, layerTitleCache, tabCo
ntentManager, |
| 147 resourceManager, fullscreenManager); |
| 148 if (mContextualSearchSceneLayer == null || mSearchPanel.getManagementDel
egate() == null) { |
| 149 return; |
| 150 } |
| 151 |
| 152 ContentViewCore contentViewCore = |
| 153 mSearchPanel.getManagementDelegate().getSearchContentViewCore(); |
| 154 mContextualSearchSceneLayer.update(contentViewCore, resourceManager); |
| 155 } |
| 156 } |
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