mirror of
https://github.com/mozilla/gecko-dev.git
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437 lines
14 KiB
Java
437 lines
14 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Color;
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import android.graphics.Rect;
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import android.graphics.drawable.ColorDrawable;
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import android.util.AttributeSet;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.FrameLayout;
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import android.widget.ImageButton;
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import android.widget.LinearLayout;
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import android.widget.TabHost;
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import android.widget.TabHost.TabSpec;
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import android.widget.TabWidget;
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public class TabsPanel extends TabHost
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implements GeckoPopupMenu.OnMenuItemClickListener,
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LightweightTheme.OnChangeListener {
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private static final String LOGTAG = "GeckoTabsPanel";
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public static enum Panel {
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NORMAL_TABS,
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PRIVATE_TABS,
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REMOTE_TABS
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}
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public static interface PanelView {
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public ViewGroup getLayout();
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public void setTabsPanel(TabsPanel panel);
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public void show();
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public void hide();
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}
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public static interface TabsLayoutChangeListener {
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public void onTabsLayoutChange(int width, int height);
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}
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private Context mContext;
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private GeckoApp mActivity;
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private PanelView mPanel;
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private TabsPanelToolbar mToolbar;
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private TabsLayoutChangeListener mLayoutChangeListener;
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private static ImageButton mMenuButton;
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private static ImageButton mAddTab;
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private TabWidget mTabWidget;
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private Button mTabsMenuButton;
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private Panel mCurrentPanel;
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private boolean mIsSideBar;
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private boolean mVisible;
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private boolean mInflated;
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private GeckoPopupMenu mPopupMenu;
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private Menu mMenu;
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private GeckoPopupMenu mTabsPopupMenu;
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private Menu mTabsMenu;
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private static final int REMOTE_TABS_HIDDEN = 1;
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private static final int REMOTE_TABS_SHOWN = 2;
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public TabsPanel(Context context, AttributeSet attrs) {
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super(context, attrs);
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mContext = context;
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mActivity = (GeckoApp) context;
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mCurrentPanel = Panel.NORMAL_TABS;
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mVisible = false;
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TabsPanel);
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mIsSideBar = a.getBoolean(R.styleable.TabsPanel_sidebar, false);
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a.recycle();
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mPopupMenu = new GeckoPopupMenu(context);
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mPopupMenu.inflate(R.menu.tabs_menu);
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mPopupMenu.setOnMenuItemClickListener(this);
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mMenu = mPopupMenu.getMenu();
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mTabsPopupMenu = new GeckoPopupMenu(context);
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mTabsPopupMenu.inflate(R.menu.tabs_switcher_menu);
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mTabsPopupMenu.setOnMenuItemClickListener(this);
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mTabsMenu = mTabsPopupMenu.getMenu();
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LayoutInflater.from(context).inflate(R.layout.tabs_panel, this);
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}
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@Override
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protected void onFinishInflate() {
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super.onFinishInflate();
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// HACK: Without this, the onFinishInflate is called twice
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// This issue is due to a bug when Android inflates a layout with a
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// parent. Fixed in Honeycomb
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if (mInflated)
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return;
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mInflated = true;
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initialize();
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}
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private void initialize() {
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// This should be called before adding any tabs
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// to the TabHost.
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setup();
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initToolbar();
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addTab(R.string.tabs_normal, R.id.normal_tabs);
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addTab(R.string.tabs_private, R.id.private_tabs);
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addTab(R.string.tabs_synced, R.id.synced_tabs);
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}
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private void addTab(int resId, int contentId) {
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String title = mContext.getString(resId);
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TabSpec spec = newTabSpec(title);
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GeckoTextView indicatorView = (GeckoTextView) LayoutInflater.from(mContext).inflate(R.layout.tabs_panel_indicator, null);
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indicatorView.setText(title);
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spec.setIndicator(indicatorView);
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spec.setContent(contentId);
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final int index = mTabWidget.getTabCount();
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PanelView panel = (PanelView) findViewById(contentId);
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panel.setTabsPanel(this);
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panel.show();
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addTab(spec);
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indicatorView.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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Panel panel = Panel.NORMAL_TABS;
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if (index == 1)
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panel = Panel.PRIVATE_TABS;
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else if (index == 2)
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panel = Panel.REMOTE_TABS;
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TabsPanel.this.show(panel);
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}
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});
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}
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void initToolbar() {
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mToolbar = (TabsPanelToolbar) findViewById(R.id.toolbar);
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mTabWidget = (TabWidget) findViewById(android.R.id.tabs);
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mAddTab = (ImageButton) mToolbar.findViewById(R.id.add_tab);
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mAddTab.setOnClickListener(new Button.OnClickListener() {
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public void onClick(View v) {
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TabsPanel.this.addTab();
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}
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});
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mTabsMenuButton = (Button) mToolbar.findViewById(R.id.tabs_menu);
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mTabsMenuButton.setOnClickListener(new Button.OnClickListener() {
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public void onClick(View view) {
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TabsPanel.this.openTabsSwitcherMenu();
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}
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});
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mTabsPopupMenu.setAnchor(mTabsMenuButton);
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mMenuButton = (ImageButton) mToolbar.findViewById(R.id.menu);
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mMenuButton.setOnClickListener(new Button.OnClickListener() {
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public void onClick(View view) {
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TabsPanel.this.openTabsMenu();
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}
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});
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mPopupMenu.setAnchor(mMenuButton);
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}
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public void addTab() {
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if (mCurrentPanel == Panel.NORMAL_TABS)
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mActivity.addTab();
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else
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mActivity.addPrivateTab();
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mActivity.autoHideTabs();
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}
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public void openTabsMenu() {
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if (mCurrentPanel == Panel.REMOTE_TABS)
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mMenu.findItem(R.id.close_all_tabs).setEnabled(false);
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else
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mMenu.findItem(R.id.close_all_tabs).setEnabled(true);
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mPopupMenu.show();
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}
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public void openTabsSwitcherMenu() {
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mTabsPopupMenu.show();
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}
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@Override
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public boolean onMenuItemClick(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.tabs_normal:
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mTabsMenuButton.setText(R.string.tabs_normal);
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show(Panel.NORMAL_TABS);
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return true;
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case R.id.tabs_private:
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mTabsMenuButton.setText(R.string.tabs_private);
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show(Panel.PRIVATE_TABS);
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return true;
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case R.id.tabs_synced:
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mTabsMenuButton.setText(R.string.tabs_synced);
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show(Panel.REMOTE_TABS);
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return true;
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case R.id.close_all_tabs:
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for (Tab tab : Tabs.getInstance().getTabsInOrder()) {
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Tabs.getInstance().closeTab(tab);
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}
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autoHidePanel();
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return true;
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case R.id.new_tab:
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case R.id.new_private_tab:
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hide();
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// fall through
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default:
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return mActivity.onOptionsItemSelected(item);
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}
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}
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private static int getTabContainerHeight(View view) {
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Context context = view.getContext();
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int actionBarHeight = context.getResources().getDimensionPixelSize(R.dimen.browser_toolbar_height);
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int screenHeight = context.getResources().getDisplayMetrics().heightPixels;
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Rect windowRect = new Rect();
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view.getWindowVisibleDisplayFrame(windowRect);
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int windowHeight = windowRect.bottom - windowRect.top;
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// The web content area should have at least 1.5x the height of the action bar.
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// The tabs panel shouldn't take less than 50% of the screen height and can take
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// up to 80% of the window height.
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return (int) Math.max(screenHeight * 0.5f,
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Math.min(windowHeight - 2.5f * actionBarHeight, windowHeight * 0.8f) - actionBarHeight);
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}
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@Override
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public void onAttachedToWindow() {
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super.onAttachedToWindow();
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mActivity.getLightweightTheme().addListener(this);
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}
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@Override
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public void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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mActivity.getLightweightTheme().removeListener(this);
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}
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@Override
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public void onLightweightThemeChanged() {
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LightweightThemeDrawable drawable = mActivity.getLightweightTheme().getTextureDrawable(this, R.drawable.tabs_tray_bg_repeat, true);
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if (drawable == null)
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return;
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drawable.setAlpha(34, 0);
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setBackgroundDrawable(drawable);
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}
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@Override
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public void onLightweightThemeReset() {
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setBackgroundResource(R.drawable.tabs_tray_bg_repeat);
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}
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@Override
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protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
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super.onLayout(changed, left, top, right, bottom);
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onLightweightThemeChanged();
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}
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// Tabs List Container holds the ListView
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public static class TabsListContainer extends FrameLayout {
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private Context mContext;
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public TabsListContainer(Context context, AttributeSet attrs) {
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super(context, attrs);
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mContext = context;
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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if (!GeckoApp.mAppContext.hasTabsSideBar()) {
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int heightSpec = MeasureSpec.makeMeasureSpec(getTabContainerHeight(this), MeasureSpec.EXACTLY);
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super.onMeasure(widthMeasureSpec, heightSpec);
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} else {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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}
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}
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}
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// Tabs Panel Toolbar contains the Buttons
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public static class TabsPanelToolbar extends LinearLayout
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implements LightweightTheme.OnChangeListener {
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private BrowserApp mActivity;
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public TabsPanelToolbar(Context context, AttributeSet attrs) {
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super(context, attrs);
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mActivity = (BrowserApp) context;
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setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
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(int) context.getResources().getDimension(R.dimen.browser_toolbar_height)));
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setOrientation(LinearLayout.HORIZONTAL);
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LayoutInflater.from(context).inflate(R.layout.tabs_panel_toolbar_menu, this);
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}
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@Override
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public void onAttachedToWindow() {
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super.onAttachedToWindow();
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mActivity.getLightweightTheme().addListener(this);
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}
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@Override
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public void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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mActivity.getLightweightTheme().removeListener(this);
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}
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@Override
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public void onLightweightThemeChanged() {
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LightweightThemeDrawable drawable = mActivity.getLightweightTheme().getTextureDrawable(this, R.drawable.tabs_tray_bg_repeat);
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if (drawable == null)
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return;
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drawable.setAlpha(34, 34);
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setBackgroundDrawable(drawable);
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}
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@Override
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public void onLightweightThemeReset() {
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setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
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}
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@Override
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protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
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super.onLayout(changed, left, top, right, bottom);
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onLightweightThemeChanged();
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}
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}
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public void show(Panel panel) {
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if (mPanel != null) {
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// Hide the old panel.
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mPanel.hide();
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}
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final boolean showAnimation = !mVisible;
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mVisible = true;
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mCurrentPanel = panel;
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int index = panel.ordinal();
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setCurrentTab(index);
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mPanel = (PanelView) getTabContentView().getChildAt(index);
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mPanel.show();
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if (mCurrentPanel == Panel.REMOTE_TABS)
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mAddTab.setVisibility(View.INVISIBLE);
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else
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mAddTab.setVisibility(View.VISIBLE);
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if (isSideBar()) {
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if (showAnimation)
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dispatchLayoutChange(getWidth(), getHeight());
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} else {
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int actionBarHeight = mContext.getResources().getDimensionPixelSize(R.dimen.browser_toolbar_height);
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int height = actionBarHeight + getTabContainerHeight(getTabContentView());
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dispatchLayoutChange(getWidth(), height);
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}
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}
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public void hide() {
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if (mVisible) {
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mVisible = false;
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mPopupMenu.dismiss();
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dispatchLayoutChange(0, 0);
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mPanel.hide();
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mPanel = null;
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}
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}
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public void refresh() {
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clearAllTabs();
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removeAllViews();
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LayoutInflater.from(mContext).inflate(R.layout.tabs_panel, this);
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initialize();
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if (mVisible)
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show(mCurrentPanel);
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}
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public void autoHidePanel() {
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mActivity.autoHideTabs();
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}
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@Override
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public boolean isShown() {
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return mVisible;
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}
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public boolean isSideBar() {
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return mIsSideBar;
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}
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public void setTabsLayoutChangeListener(TabsLayoutChangeListener listener) {
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mLayoutChangeListener = listener;
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}
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private void dispatchLayoutChange(int width, int height) {
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if (mLayoutChangeListener != null)
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mLayoutChangeListener.onTabsLayoutChange(width, height);
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}
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}
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