The Tor Browser / annotate

mobile/android/base/ActionModeCompatView.java@6474c204b198 (annotated)

mobile/android/base/ActionModeCompatView.java

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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

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