The Tor Browser / file comparison

comparison: mobile/android/base/ActionModeCompatView.java

mobile/android/base/ActionModeCompatView.java

changeset 0
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1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
4
5 package org.mozilla.gecko;
6
7 import org.mozilla.gecko.animation.AnimationUtils;
8 import org.mozilla.gecko.menu.GeckoMenu;
9 import org.mozilla.gecko.widget.GeckoPopupMenu;
10
11 import android.content.Context;
12 import android.util.AttributeSet;
13 import android.view.LayoutInflater;
14 import android.view.Menu;
15 import android.view.View;
16 import android.view.ViewGroup;
17 import android.view.animation.Animation;
18 import android.view.animation.ScaleAnimation;
19 import android.view.animation.TranslateAnimation;
20 import android.widget.Button;
21 import android.widget.ImageButton;
22 import android.widget.LinearLayout;
23
24 class ActionModeCompatView extends LinearLayout implements GeckoMenu.ActionItemBarPresenter {
25 private final String LOGTAG = "GeckoActionModeCompatPresenter";
26
27 private static final int SPEC = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
28
29 private Button mTitleView;
30 private ImageButton mMenuButton;
31 private ViewGroup mActionButtonBar;
32 private GeckoPopupMenu mPopupMenu;
33
34 // Maximum number of items to show as actions
35 private static final int MAX_ACTION_ITEMS = 4;
36
37 private int mActionButtonsWidth = 0;
38
39 public ActionModeCompatView(Context context) {
40 super(context);
41 init(context);
42 }
43
44 public ActionModeCompatView(Context context, AttributeSet attrs) {
45 super(context, attrs);
46 init(context);
47 }
48
49 public ActionModeCompatView(Context context, AttributeSet attrs, int style) {
50 super(context, attrs, style);
51 init(context);
52 }
53
54 public void init(Context context) {
55 LayoutInflater.from(context).inflate(R.layout.actionbar, this);
56
57 mTitleView = (Button) findViewById(R.id.actionmode_title);
58 mMenuButton = (ImageButton) findViewById(R.id.actionbar_menu);
59 mActionButtonBar = (ViewGroup) findViewById(R.id.actionbar_buttons);
60
61 mPopupMenu = new GeckoPopupMenu(getContext(), mMenuButton);
62 ((GeckoMenu) mPopupMenu.getMenu()).setActionItemBarPresenter(this);
63
64 mMenuButton.setOnClickListener(new View.OnClickListener() {
65 public void onClick(View v) {
66 openMenu();
67 }
68 });
69 }
70
71 public void initForMode(final ActionModeCompat mode) {
72 mTitleView.setOnClickListener(mode);
73 mPopupMenu.setOnMenuItemClickListener(mode);
74 }
75
76 public CharSequence getTitle() {
77 return mTitleView.getText();
78 }
79
80 public void setTitle(CharSequence title) {
81 mTitleView.setText(title);
82 }
83
84 public void setTitle(int resId) {
85 mTitleView.setText(resId);
86 }
87
88 public Menu getMenu() {
89 return mPopupMenu.getMenu();
90 }
91
92 public void invalidate() {
93 // onFinishInflate may not have been called yet on some versions of Android
94 if (mPopupMenu != null && mMenuButton != null) {
95 mMenuButton.setVisibility(mPopupMenu.getMenu().hasVisibleItems() ? View.VISIBLE : View.GONE);
96 }
97 super.invalidate();
98 }
99
100 /* GeckoMenu.ActionItemBarPresenter */
101 @Override
102 public boolean addActionItem(View actionItem) {
103 final int count = mActionButtonBar.getChildCount();
104 if (count >= MAX_ACTION_ITEMS) {
105 return false;
106 }
107
108 int maxWidth = mActionButtonBar.getMeasuredWidth();
109 if (maxWidth == 0) {
110 mActionButtonBar.measure(SPEC, SPEC);
111 maxWidth = mActionButtonBar.getMeasuredWidth();
112 }
113
114 // If the menu button is already visible, no need to account for it
115 if (mMenuButton.getVisibility() == View.GONE) {
116 // Since we don't know how many items will be added, we always reserve space for the overflow menu
117 mMenuButton.measure(SPEC, SPEC);
118 maxWidth -= mMenuButton.getMeasuredWidth();
119 }
120
121 if (mActionButtonsWidth <= 0) {
122 mActionButtonsWidth = 0;
123
124 // Loop over child views, measure them, and add their width to the taken width
125 for (int i = 0; i < count; i++) {
126 View v = mActionButtonBar.getChildAt(i);
127 v.measure(SPEC, SPEC);
128 mActionButtonsWidth += v.getMeasuredWidth();
129 }
130 }
131
132 actionItem.measure(SPEC, SPEC);
133 int w = actionItem.getMeasuredWidth();
134 if (mActionButtonsWidth + w < maxWidth) {
135 // We cache the new width of our children.
136 mActionButtonsWidth += w;
137 mActionButtonBar.addView(actionItem);
138 return true;
139 }
140
141 return false;
142 }
143
144 /* GeckoMenu.ActionItemBarPresenter */
145 @Override
146 public void removeActionItem(View actionItem) {
147 actionItem.measure(SPEC, SPEC);
148 mActionButtonsWidth -= actionItem.getMeasuredWidth();
149 mActionButtonBar.removeView(actionItem);
150 }
151
152 public void openMenu() {
153 mPopupMenu.openMenu();
154 }
155
156 public void closeMenu() {
157 mPopupMenu.dismiss();
158 }
159
160 public void animateIn() {
161 long duration = AnimationUtils.getShortDuration(getContext());
162 TranslateAnimation t = new TranslateAnimation(Animation.RELATIVE_TO_SELF, -0.5f, Animation.RELATIVE_TO_SELF, 0f,
163 Animation.RELATIVE_TO_SELF, 0f, Animation.RELATIVE_TO_SELF, 0f);
164 t.setDuration(duration);
165
166 ScaleAnimation s = new ScaleAnimation(1f, 1f, 0f, 1f,
167 Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
168 s.setDuration((long) (duration * 1.5f));
169
170 mTitleView.startAnimation(t);
171 mActionButtonBar.startAnimation(s);
172 mMenuButton.startAnimation(s);
173 }
174 }

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