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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 package org.chromium.chrome.browser.contextmenu; | 5 package org.chromium.chrome.browser.contextmenu; |
6 | 6 |
7 import android.app.Dialog; | 7 import android.app.Dialog; |
8 import android.content.Context; | 8 import android.content.Context; |
9 import android.content.DialogInterface; | 9 import android.content.DialogInterface; |
10 import android.content.res.Resources; | |
11 import android.graphics.Bitmap; | |
12 import android.graphics.Canvas; | |
13 import android.graphics.Shader; | |
14 import android.graphics.drawable.BitmapDrawable; | |
15 import android.graphics.drawable.Drawable; | |
10 import android.support.design.widget.TabLayout; | 16 import android.support.design.widget.TabLayout; |
11 import android.support.v4.view.ViewPager; | 17 import android.support.v4.view.ViewPager; |
12 import android.support.v7.app.AlertDialog; | 18 import android.support.v7.app.AlertDialog; |
13 import android.text.TextUtils; | 19 import android.text.TextUtils; |
14 import android.util.Pair; | 20 import android.util.Pair; |
15 import android.view.LayoutInflater; | 21 import android.view.LayoutInflater; |
16 import android.view.View; | 22 import android.view.View; |
17 import android.view.ViewGroup; | 23 import android.view.ViewGroup; |
18 import android.widget.AdapterView; | 24 import android.widget.AdapterView; |
19 import android.widget.BaseAdapter; | 25 import android.widget.BaseAdapter; |
26 import android.widget.ImageView; | |
20 import android.widget.ListView; | 27 import android.widget.ListView; |
21 import android.widget.TextView; | 28 import android.widget.TextView; |
22 | 29 |
23 import org.chromium.base.ApiCompatibilityUtils; | 30 import org.chromium.base.ApiCompatibilityUtils; |
24 import org.chromium.base.Callback; | 31 import org.chromium.base.Callback; |
25 import org.chromium.base.VisibleForTesting; | 32 import org.chromium.base.VisibleForTesting; |
26 import org.chromium.chrome.R; | 33 import org.chromium.chrome.R; |
27 | 34 |
28 import java.util.ArrayList; | 35 import java.util.ArrayList; |
29 import java.util.List; | 36 import java.util.List; |
30 | 37 |
31 /** | 38 /** |
32 * A custom dialog that separates each group into separate tabs. It uses a dialo g instead. | 39 * A custom dialog that separates each group into separate tabs. It uses a dialo g instead. |
33 */ | 40 */ |
34 public class TabularContextMenuUi implements ContextMenuUi, AdapterView.OnItemCl ickListener { | 41 public class TabularContextMenuUi implements ContextMenuUi, AdapterView.OnItemCl ickListener { |
35 private Dialog mDialog; | 42 private Dialog mDialog; |
36 private Callback<Integer> mCallback; | 43 private Callback<Integer> mCallback; |
37 private int mMenuItemHeight; | 44 private int mMenuItemHeight; |
45 private ImageView mHeaderImageView; | |
38 | 46 |
39 @Override | 47 @Override |
40 public void displayMenu(Context context, ContextMenuParams params, | 48 public void displayMenu(Context context, ContextMenuParams params, |
41 List<Pair<Integer, List<ContextMenuItem>>> items, Callback<Integer> onItemClicked, | 49 List<Pair<Integer, List<ContextMenuItem>>> items, Callback<Integer> onItemClicked, |
42 final Runnable onMenuShown, final Runnable onMenuClosed) { | 50 final Runnable onMenuShown, final Runnable onMenuClosed) { |
43 mCallback = onItemClicked; | 51 mCallback = onItemClicked; |
44 mDialog = createDialog(context, params, items); | 52 mDialog = createDialog(context, params, items); |
45 mDialog.getWindow().setBackgroundDrawable(ApiCompatibilityUtils.getDrawa ble( | 53 mDialog.getWindow().setBackgroundDrawable(ApiCompatibilityUtils.getDrawa ble( |
46 context.getResources(), R.drawable.bg_find_toolbar_popup)); | 54 context.getResources(), R.drawable.bg_find_toolbar_popup)); |
47 | 55 |
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76 dialog.setContentView(createPagerView(context, params, itemGroups)); | 84 dialog.setContentView(createPagerView(context, params, itemGroups)); |
77 return dialog; | 85 return dialog; |
78 } | 86 } |
79 | 87 |
80 /** | 88 /** |
81 * Creates the view of a context menu. Based off the Context Type, it'll adj ust the list of | 89 * Creates the view of a context menu. Based off the Context Type, it'll adj ust the list of |
82 * items and display only the ones that'll be on that specific group. | 90 * items and display only the ones that'll be on that specific group. |
83 * @param context Used to get the resources of an item. | 91 * @param context Used to get the resources of an item. |
84 * @param params used to create the header text. | 92 * @param params used to create the header text. |
85 * @param items A set of Items to display in a context menu. Filtered based off the type. | 93 * @param items A set of Items to display in a context menu. Filtered based off the type. |
86 * @return Returns a filled LinearLayout with all the context menu items | 94 * @param isImage Whether or not the view should have an image layout or not . |
95 * @param maxCount The maximum amount of {@link ContextMenuItem}s that could exist in this view | |
96 * or any other views calculated in the context menu. Used t o estimate the size | |
97 * of the list. | |
98 * @return Returns a filled LinearLayout with all the context menu items. | |
87 */ | 99 */ |
88 @VisibleForTesting | 100 @VisibleForTesting |
89 ViewGroup createContextMenuPageUi( | 101 ViewGroup createContextMenuPageUi(Context context, ContextMenuParams params, |
90 Context context, ContextMenuParams params, List<ContextMenuItem> ite ms, int maxCount) { | 102 List<ContextMenuItem> items, boolean isImage, int maxCount) { |
91 ViewGroup baseLayout = (ViewGroup) LayoutInflater.from(context).inflate( | 103 ViewGroup baseLayout = (ViewGroup) LayoutInflater.from(context).inflate( |
92 R.layout.tabular_context_menu_page, null); | 104 R.layout.tabular_context_menu_page, null); |
93 ListView listView = (ListView) baseLayout.findViewById(R.id.selectable_i tems); | 105 ListView listView = (ListView) baseLayout.findViewById(R.id.selectable_i tems); |
94 displayHeaderIfVisibleItems(params, baseLayout); | 106 |
107 if (isImage) { | |
108 displayImageHeader(baseLayout, params, context.getResources()); | |
109 } else { | |
110 displayHeaderIfVisibleItems(params, baseLayout); | |
111 } | |
95 | 112 |
96 // Set the list adapter and get the height to display it appropriately i n a dialog. | 113 // Set the list adapter and get the height to display it appropriately i n a dialog. |
97 TabularContextMenuListAdapter listAdapter = | 114 TabularContextMenuListAdapter listAdapter = |
98 new TabularContextMenuListAdapter(items, context); | 115 new TabularContextMenuListAdapter(items, context); |
99 ViewGroup.LayoutParams layoutParams = listView.getLayoutParams(); | 116 ViewGroup.LayoutParams layoutParams = listView.getLayoutParams(); |
100 layoutParams.height = measureApproximateListViewHeight(listView, listAda pter, maxCount); | 117 layoutParams.height = measureApproximateListViewHeight(listView, listAda pter, maxCount); |
101 listView.setLayoutParams(layoutParams); | 118 listView.setLayoutParams(layoutParams); |
102 listView.setAdapter(listAdapter); | 119 listView.setAdapter(listAdapter); |
103 listView.setOnItemClickListener(this); | 120 listView.setOnItemClickListener(this); |
104 | 121 |
105 return baseLayout; | 122 return baseLayout; |
106 } | 123 } |
107 | 124 |
108 private void displayHeaderIfVisibleItems(ContextMenuParams params, ViewGroup baseLayout) { | 125 private void displayHeaderIfVisibleItems(ContextMenuParams params, ViewGroup baseLayout) { |
109 String headerText = ChromeContextMenuPopulator.createHeaderText(params); | 126 String headerText = ChromeContextMenuPopulator.createHeaderText(params); |
110 final TextView headerTextView = | 127 final TextView headerTextView = |
111 (TextView) baseLayout.findViewById(R.id.context_header_text); | 128 (TextView) baseLayout.findViewById(R.id.context_header_text); |
112 if (TextUtils.isEmpty(headerText)) { | 129 if (TextUtils.isEmpty(headerText)) { |
130 baseLayout.findViewById(R.id.context_header_layout).setVisibility(Vi ew.GONE); | |
113 headerTextView.setVisibility(View.GONE); | 131 headerTextView.setVisibility(View.GONE); |
114 baseLayout.findViewById(R.id.context_divider).setVisibility(View.GON E); | 132 baseLayout.findViewById(R.id.context_divider).setVisibility(View.GON E); |
115 return; | 133 return; |
116 } | 134 } |
117 headerTextView.setVisibility(View.VISIBLE); | 135 headerTextView.setVisibility(View.VISIBLE); |
118 headerTextView.setText(headerText); | 136 headerTextView.setText(headerText); |
119 headerTextView.setOnClickListener(new View.OnClickListener() { | 137 headerTextView.setOnClickListener(new View.OnClickListener() { |
120 @Override | 138 @Override |
121 public void onClick(View view) { | 139 public void onClick(View view) { |
122 if (headerTextView.getMaxLines() == Integer.MAX_VALUE) { | 140 if (headerTextView.getMaxLines() == Integer.MAX_VALUE) { |
123 headerTextView.setMaxLines(1); | 141 headerTextView.setMaxLines(1); |
124 headerTextView.setEllipsize(TextUtils.TruncateAt.END); | 142 headerTextView.setEllipsize(TextUtils.TruncateAt.END); |
125 } else { | 143 } else { |
126 headerTextView.setMaxLines(Integer.MAX_VALUE); | 144 headerTextView.setMaxLines(Integer.MAX_VALUE); |
127 headerTextView.setEllipsize(null); | 145 headerTextView.setEllipsize(null); |
128 } | 146 } |
129 } | 147 } |
130 }); | 148 }); |
131 } | 149 } |
132 | 150 |
151 private void displayImageHeader( | |
152 ViewGroup baseLayout, ContextMenuParams params, Resources resources) { | |
153 displayHeaderIfVisibleItems(params, baseLayout); | |
154 // #displayHeaderIfVisibleItems() sets these two views to GONE if the he ader text is | |
155 // empty but they should still be visible because we have an image to di splay. | |
156 baseLayout.findViewById(R.id.context_header_layout).setVisibility(View.V ISIBLE); | |
157 baseLayout.findViewById(R.id.context_divider).setVisibility(View.VISIBLE ); | |
158 | |
159 mHeaderImageView = (ImageView) baseLayout.findViewById(R.id.context_head er_image); | |
160 TextView headerTextView = (TextView) baseLayout.findViewById(R.id.contex t_header_text); | |
161 // We'd prefer the header text is the title text instead of the link tex t for images. | |
162 String headerText = params.getTitleText(); | |
163 if (!TextUtils.isEmpty(headerText)) { | |
164 headerTextView.setText(headerText); | |
165 } | |
166 setBackgroundForImageView(mHeaderImageView, resources); | |
167 } | |
168 | |
169 /** | |
170 * This creates a checkerboard style background displayed before the image i s shown. | |
171 */ | |
172 private void setBackgroundForImageView(ImageView imageView, Resources resour ces) { | |
173 Drawable drawable = | |
174 ApiCompatibilityUtils.getDrawable(resources, R.drawable.checkerb oard_background); | |
175 Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), | |
176 drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); | |
177 Canvas canvas = new Canvas(bitmap); | |
178 drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); | |
179 drawable.draw(canvas); | |
180 BitmapDrawable bm = new BitmapDrawable(resources, bitmap); | |
181 bm.setTileModeXY(Shader.TileMode.REPEAT, Shader.TileMode.REPEAT); | |
182 imageView.setVisibility(View.VISIBLE); | |
183 imageView.setBackground(bm); | |
184 } | |
185 | |
133 /** | 186 /** |
134 * To save time measuring the height, this method gets an item if the height has not been | 187 * To save time measuring the height, this method gets an item if the height has not been |
135 * previous measured and multiplies it by count of the total amount of items . It is fine if the | 188 * previous measured and multiplies it by count of the total amount of items . It is fine if the |
136 * height too small as the ListView will scroll through the other values. | 189 * height too small as the ListView will scroll through the other values. |
137 * @param listView The ListView to measure the surrounding padding. | 190 * @param listView The ListView to measure the surrounding padding. |
138 * @param listAdapter The adapter which contains the items within the list. | 191 * @param listAdapter The adapter which contains the items within the list. |
139 * @return Returns the combined height of the padding of the ListView and th e approximate height | 192 * @return Returns the combined height of the padding of the ListView and th e approximate height |
140 * of the ListView based off the an item. | 193 * of the ListView based off the an item. |
141 */ | 194 */ |
142 private int measureApproximateListViewHeight( | 195 private int measureApproximateListViewHeight( |
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165 View view = LayoutInflater.from(context).inflate(R.layout.tabular_contex t_menu, null); | 218 View view = LayoutInflater.from(context).inflate(R.layout.tabular_contex t_menu, null); |
166 | 219 |
167 List<Pair<String, ViewGroup>> viewGroups = new ArrayList<>(); | 220 List<Pair<String, ViewGroup>> viewGroups = new ArrayList<>(); |
168 int maxCount = 0; | 221 int maxCount = 0; |
169 for (int i = 0; i < itemGroups.size(); i++) { | 222 for (int i = 0; i < itemGroups.size(); i++) { |
170 Pair<Integer, List<ContextMenuItem>> itemGroup = itemGroups.get(i); | 223 Pair<Integer, List<ContextMenuItem>> itemGroup = itemGroups.get(i); |
171 maxCount = Math.max(maxCount, itemGroup.second.size()); | 224 maxCount = Math.max(maxCount, itemGroup.second.size()); |
172 } | 225 } |
173 for (int i = 0; i < itemGroups.size(); i++) { | 226 for (int i = 0; i < itemGroups.size(); i++) { |
174 Pair<Integer, List<ContextMenuItem>> itemGroup = itemGroups.get(i); | 227 Pair<Integer, List<ContextMenuItem>> itemGroup = itemGroups.get(i); |
228 // TODO(tedchoc): Pass the ContextMenuGroup identifier to determine if it's an image. | |
229 boolean isImageTab = itemGroup.first == R.string.contextmenu_image_t itle; | |
175 viewGroups.add(new Pair<>(context.getString(itemGroup.first), | 230 viewGroups.add(new Pair<>(context.getString(itemGroup.first), |
176 createContextMenuPageUi(context, params, itemGroup.second, m axCount))); | 231 createContextMenuPageUi( |
232 context, params, itemGroup.second, isImageTab, maxCo unt))); | |
177 } | 233 } |
178 TabularContextMenuViewPager pager = | 234 TabularContextMenuViewPager pager = |
179 (TabularContextMenuViewPager) view.findViewById(R.id.custom_page r); | 235 (TabularContextMenuViewPager) view.findViewById(R.id.custom_page r); |
180 pager.setAdapter(new TabularContextMenuPagerAdapter(viewGroups)); | 236 pager.setAdapter(new TabularContextMenuPagerAdapter(viewGroups)); |
181 | 237 |
182 TabLayout tabLayout = (TabLayout) view.findViewById(R.id.tab_layout); | 238 TabLayout tabLayout = (TabLayout) view.findViewById(R.id.tab_layout); |
183 if (itemGroups.size() <= 1) { | 239 if (itemGroups.size() <= 1) { |
184 tabLayout.setVisibility(View.GONE); | 240 tabLayout.setVisibility(View.GONE); |
185 } | 241 } |
186 tabLayout.setupWithViewPager((ViewPager) view.findViewById(R.id.custom_p ager)); | 242 tabLayout.setupWithViewPager((ViewPager) view.findViewById(R.id.custom_p ager)); |
187 | 243 |
188 return view; | 244 return view; |
189 } | 245 } |
190 | 246 |
247 public void onImageThumbnailRetrieved(Bitmap bitmap) { | |
Ted C
2017/03/31 18:48:32
add javadoc
JJ
2017/03/31 19:01:20
Done.
| |
248 if (mHeaderImageView != null) { | |
249 mHeaderImageView.setImageBitmap(bitmap); | |
250 } | |
251 } | |
252 | |
191 @Override | 253 @Override |
192 public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) { | 254 public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) { |
193 mDialog.dismiss(); | 255 mDialog.dismiss(); |
194 mCallback.onResult((int) id); | 256 mCallback.onResult((int) id); |
195 } | 257 } |
196 } | 258 } |
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