1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/ActionModeCompatView.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,174 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +package org.mozilla.gecko;
1.9 +
1.10 +import org.mozilla.gecko.animation.AnimationUtils;
1.11 +import org.mozilla.gecko.menu.GeckoMenu;
1.12 +import org.mozilla.gecko.widget.GeckoPopupMenu;
1.13 +
1.14 +import android.content.Context;
1.15 +import android.util.AttributeSet;
1.16 +import android.view.LayoutInflater;
1.17 +import android.view.Menu;
1.18 +import android.view.View;
1.19 +import android.view.ViewGroup;
1.20 +import android.view.animation.Animation;
1.21 +import android.view.animation.ScaleAnimation;
1.22 +import android.view.animation.TranslateAnimation;
1.23 +import android.widget.Button;
1.24 +import android.widget.ImageButton;
1.25 +import android.widget.LinearLayout;
1.26 +
1.27 +class ActionModeCompatView extends LinearLayout implements GeckoMenu.ActionItemBarPresenter {
1.28 + private final String LOGTAG = "GeckoActionModeCompatPresenter";
1.29 +
1.30 + private static final int SPEC = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
1.31 +
1.32 + private Button mTitleView;
1.33 + private ImageButton mMenuButton;
1.34 + private ViewGroup mActionButtonBar;
1.35 + private GeckoPopupMenu mPopupMenu;
1.36 +
1.37 + // Maximum number of items to show as actions
1.38 + private static final int MAX_ACTION_ITEMS = 4;
1.39 +
1.40 + private int mActionButtonsWidth = 0;
1.41 +
1.42 + public ActionModeCompatView(Context context) {
1.43 + super(context);
1.44 + init(context);
1.45 + }
1.46 +
1.47 + public ActionModeCompatView(Context context, AttributeSet attrs) {
1.48 + super(context, attrs);
1.49 + init(context);
1.50 + }
1.51 +
1.52 + public ActionModeCompatView(Context context, AttributeSet attrs, int style) {
1.53 + super(context, attrs, style);
1.54 + init(context);
1.55 + }
1.56 +
1.57 + public void init(Context context) {
1.58 + LayoutInflater.from(context).inflate(R.layout.actionbar, this);
1.59 +
1.60 + mTitleView = (Button) findViewById(R.id.actionmode_title);
1.61 + mMenuButton = (ImageButton) findViewById(R.id.actionbar_menu);
1.62 + mActionButtonBar = (ViewGroup) findViewById(R.id.actionbar_buttons);
1.63 +
1.64 + mPopupMenu = new GeckoPopupMenu(getContext(), mMenuButton);
1.65 + ((GeckoMenu) mPopupMenu.getMenu()).setActionItemBarPresenter(this);
1.66 +
1.67 + mMenuButton.setOnClickListener(new View.OnClickListener() {
1.68 + public void onClick(View v) {
1.69 + openMenu();
1.70 + }
1.71 + });
1.72 + }
1.73 +
1.74 + public void initForMode(final ActionModeCompat mode) {
1.75 + mTitleView.setOnClickListener(mode);
1.76 + mPopupMenu.setOnMenuItemClickListener(mode);
1.77 + }
1.78 +
1.79 + public CharSequence getTitle() {
1.80 + return mTitleView.getText();
1.81 + }
1.82 +
1.83 + public void setTitle(CharSequence title) {
1.84 + mTitleView.setText(title);
1.85 + }
1.86 +
1.87 + public void setTitle(int resId) {
1.88 + mTitleView.setText(resId);
1.89 + }
1.90 +
1.91 + public Menu getMenu() {
1.92 + return mPopupMenu.getMenu();
1.93 + }
1.94 +
1.95 + public void invalidate() {
1.96 + // onFinishInflate may not have been called yet on some versions of Android
1.97 + if (mPopupMenu != null && mMenuButton != null) {
1.98 + mMenuButton.setVisibility(mPopupMenu.getMenu().hasVisibleItems() ? View.VISIBLE : View.GONE);
1.99 + }
1.100 + super.invalidate();
1.101 + }
1.102 +
1.103 + /* GeckoMenu.ActionItemBarPresenter */
1.104 + @Override
1.105 + public boolean addActionItem(View actionItem) {
1.106 + final int count = mActionButtonBar.getChildCount();
1.107 + if (count >= MAX_ACTION_ITEMS) {
1.108 + return false;
1.109 + }
1.110 +
1.111 + int maxWidth = mActionButtonBar.getMeasuredWidth();
1.112 + if (maxWidth == 0) {
1.113 + mActionButtonBar.measure(SPEC, SPEC);
1.114 + maxWidth = mActionButtonBar.getMeasuredWidth();
1.115 + }
1.116 +
1.117 + // If the menu button is already visible, no need to account for it
1.118 + if (mMenuButton.getVisibility() == View.GONE) {
1.119 + // Since we don't know how many items will be added, we always reserve space for the overflow menu
1.120 + mMenuButton.measure(SPEC, SPEC);
1.121 + maxWidth -= mMenuButton.getMeasuredWidth();
1.122 + }
1.123 +
1.124 + if (mActionButtonsWidth <= 0) {
1.125 + mActionButtonsWidth = 0;
1.126 +
1.127 + // Loop over child views, measure them, and add their width to the taken width
1.128 + for (int i = 0; i < count; i++) {
1.129 + View v = mActionButtonBar.getChildAt(i);
1.130 + v.measure(SPEC, SPEC);
1.131 + mActionButtonsWidth += v.getMeasuredWidth();
1.132 + }
1.133 + }
1.134 +
1.135 + actionItem.measure(SPEC, SPEC);
1.136 + int w = actionItem.getMeasuredWidth();
1.137 + if (mActionButtonsWidth + w < maxWidth) {
1.138 + // We cache the new width of our children.
1.139 + mActionButtonsWidth += w;
1.140 + mActionButtonBar.addView(actionItem);
1.141 + return true;
1.142 + }
1.143 +
1.144 + return false;
1.145 + }
1.146 +
1.147 + /* GeckoMenu.ActionItemBarPresenter */
1.148 + @Override
1.149 + public void removeActionItem(View actionItem) {
1.150 + actionItem.measure(SPEC, SPEC);
1.151 + mActionButtonsWidth -= actionItem.getMeasuredWidth();
1.152 + mActionButtonBar.removeView(actionItem);
1.153 + }
1.154 +
1.155 + public void openMenu() {
1.156 + mPopupMenu.openMenu();
1.157 + }
1.158 +
1.159 + public void closeMenu() {
1.160 + mPopupMenu.dismiss();
1.161 + }
1.162 +
1.163 + public void animateIn() {
1.164 + long duration = AnimationUtils.getShortDuration(getContext());
1.165 + TranslateAnimation t = new TranslateAnimation(Animation.RELATIVE_TO_SELF, -0.5f, Animation.RELATIVE_TO_SELF, 0f,
1.166 + Animation.RELATIVE_TO_SELF, 0f, Animation.RELATIVE_TO_SELF, 0f);
1.167 + t.setDuration(duration);
1.168 +
1.169 + ScaleAnimation s = new ScaleAnimation(1f, 1f, 0f, 1f,
1.170 + Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
1.171 + s.setDuration((long) (duration * 1.5f));
1.172 +
1.173 + mTitleView.startAnimation(t);
1.174 + mActionButtonBar.startAnimation(s);
1.175 + mMenuButton.startAnimation(s);
1.176 + }
1.177 +}
