gecko/mobile/android/base/TabsPanel.java

413 lines
14 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import org.mozilla.gecko.sync.setup.SyncAccounts;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.graphics.Rect;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
public class TabsPanel extends LinearLayout
implements GeckoPopupMenu.OnMenuItemClickListener,
LightweightTheme.OnChangeListener {
private static final String LOGTAG = "GeckoTabsPanel";
public static enum Panel {
LOCAL_TABS,
REMOTE_TABS
}
public static interface PanelView {
public ViewGroup getLayout();
public void setTabsPanel(TabsPanel panel);
public void show();
public void hide();
}
public static interface TabsLayoutChangeListener {
public void onTabsLayoutChange(int width, int height);
}
private Context mContext;
private GeckoApp mActivity;
private PanelView mPanel;
private TabsPanelToolbar mToolbar;
private TabsListContainer mListContainer;
private TabsLayoutChangeListener mLayoutChangeListener;
private static ImageButton mMenuButton;
private static ImageButton mAddTab;
private static ImageButton mRemoteTabs;
private TextView mTitle;
private Panel mCurrentPanel;
private boolean mIsSideBar;
private boolean mVisible;
private GeckoPopupMenu mPopupMenu;
private Menu mMenu;
private static final int REMOTE_TABS_HIDDEN = 1;
private static final int REMOTE_TABS_SHOWN = 2;
public TabsPanel(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
mActivity = (GeckoApp) context;
setOrientation(LinearLayout.VERTICAL);
LayoutInflater.from(context).inflate(R.layout.tabs_panel, this);
mCurrentPanel = Panel.LOCAL_TABS;
mVisible = false;
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TabsPanel);
mIsSideBar = a.getBoolean(R.styleable.TabsPanel_sidebar, false);
a.recycle();
mToolbar = (TabsPanelToolbar) findViewById(R.id.toolbar);
mListContainer = (TabsListContainer) findViewById(R.id.list_container);
mPopupMenu = new GeckoPopupMenu(context);
mPopupMenu.inflate(R.menu.tabs_menu);
mPopupMenu.setOnMenuItemClickListener(this);
mMenu = mPopupMenu.getMenu();
initToolbar();
}
void initToolbar() {
mTitle = (TextView) mToolbar.findViewById(R.id.title);
mAddTab = (ImageButton) mToolbar.findViewById(R.id.add_tab);
mAddTab.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
mActivity.addTab();
mActivity.autoHideTabs();
}
});
mRemoteTabs = (ImageButton) mToolbar.findViewById(R.id.remote_tabs);
mRemoteTabs.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
if (mRemoteTabs.getDrawable().getLevel() == REMOTE_TABS_SHOWN)
mActivity.showLocalTabs();
else
mActivity.showRemoteTabs();
}
});
mMenuButton = (ImageButton) mToolbar.findViewById(R.id.menu);
mMenuButton.setOnClickListener(new Button.OnClickListener() {
public void onClick(View view) {
TabsPanel.this.openTabsMenu();
}
});
// Set a touch delegate to Add-Tab button, so the touch events on its tail
// are passed to the menu button.
if (!GeckoApp.mAppContext.isTablet()) {
post(new Runnable() {
@Override
public void run() {
int height = mAddTab.getHeight();
int width = mAddTab.getWidth();
int tail = (int) (height * 1.125) / 2;
Rect bounds = new Rect(width - tail, 0, width, height);
mAddTab.setTouchDelegate(new TailTouchDelegate(bounds, mMenuButton));
}
});
}
mPopupMenu.setAnchor(mMenuButton);
}
public void openTabsMenu() {
if (mCurrentPanel == Panel.REMOTE_TABS)
mMenu.findItem(R.id.close_all_tabs).setEnabled(false);
else
mMenu.findItem(R.id.close_all_tabs).setEnabled(true);
mPopupMenu.show();
final Context context = mContext;
new SyncAccounts.AccountsExistTask() {
@Override
protected void onPostExecute(Boolean result) {
if (!result.booleanValue()) {
return;
}
TabsAccessor.areClientsAvailable(context, new TabsAccessor.OnClientsAvailableListener() {
@Override
public void areAvailable(boolean available) {
TabsPanel.this.enableRemoteTabs(available);
}
});
}
}.execute(context);
}
public void enableRemoteTabs(boolean enable) {
mMenu.findItem(R.id.synced_tabs).setEnabled(enable);
}
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case R.id.synced_tabs:
show(Panel.REMOTE_TABS);
return true;
case R.id.close_all_tabs:
for (Tab tab : Tabs.getInstance().getTabsInOrder()) {
Tabs.getInstance().closeTab(tab);
}
return true;
case R.id.new_tab:
case R.id.new_private_tab:
hide();
// fall through
default:
return mActivity.onOptionsItemSelected(item);
}
}
private static int getTabContainerHeight(View view) {
Context context = view.getContext();
int actionBarHeight = context.getResources().getDimensionPixelSize(R.dimen.browser_toolbar_height);
int screenHeight = context.getResources().getDisplayMetrics().heightPixels;
Rect windowRect = new Rect();
view.getWindowVisibleDisplayFrame(windowRect);
int windowHeight = windowRect.bottom - windowRect.top;
// The web content area should have at least 1.5x the height of the action bar.
// The tabs panel shouldn't take less than 50% of the screen height and can take
// up to 80% of the window height.
return (int) Math.max(screenHeight * 0.5f,
Math.min(windowHeight - 2.5f * actionBarHeight, windowHeight * 0.8f) - actionBarHeight);
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
mActivity.getLightweightTheme().addListener(this);
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
mActivity.getLightweightTheme().removeListener(this);
}
@Override
public void onLightweightThemeChanged() {
Drawable drawable = mActivity.getLightweightTheme().getDrawableWithAlpha(this, 255, 0);
if (drawable == null)
return;
drawable.setAlpha(30);
LayerDrawable layers = new LayerDrawable(new Drawable[] { mContext.getResources().getDrawable(R.drawable.tabs_tray_bg_repeat), drawable });
setBackgroundDrawable(layers);
}
@Override
public void onLightweightThemeReset() {
setBackgroundResource(R.drawable.tabs_tray_bg_repeat);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
onLightweightThemeChanged();
}
// Tabs List Container holds the ListView
public static class TabsListContainer extends LinearLayout {
private Context mContext;
public TabsListContainer(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
if (!GeckoApp.mAppContext.hasTabsSideBar()) {
int heightSpec = MeasureSpec.makeMeasureSpec(getTabContainerHeight(this), MeasureSpec.EXACTLY);
super.onMeasure(widthMeasureSpec, heightSpec);
} else {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
}
// Tabs Panel Toolbar contains the Buttons
public static class TabsPanelToolbar extends RelativeLayout
implements LightweightTheme.OnChangeListener {
private BrowserApp mActivity;
public TabsPanelToolbar(Context context, AttributeSet attrs) {
super(context, attrs);
mActivity = (BrowserApp) context;
setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
(int) context.getResources().getDimension(R.dimen.browser_toolbar_height)));
LayoutInflater.from(context).inflate(R.layout.tabs_panel_toolbar_menu, this);
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
mActivity.getLightweightTheme().addListener(this);
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
mActivity.getLightweightTheme().removeListener(this);
}
@Override
public void onLightweightThemeChanged() {
Drawable drawable = mActivity.getLightweightTheme().getDrawableWithAlpha(this, 34);
if (drawable == null)
return;
Resources resources = this.getContext().getResources();
LayerDrawable layers = new LayerDrawable(new Drawable[] { resources.getDrawable(R.drawable.tabs_tray_bg_repeat), drawable });
setBackgroundDrawable(layers);
}
@Override
public void onLightweightThemeReset() {
setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
onLightweightThemeChanged();
}
}
public void show(Panel panel) {
if (mPanel != null) {
// Remove the old panel.
mPanel.hide();
mListContainer.removeAllViews();
}
final boolean showAnimation = !mVisible;
mVisible = true;
mCurrentPanel = panel;
if (panel == Panel.LOCAL_TABS) {
mPanel = new TabsTray(mContext, null);
mTitle.setText("");
mRemoteTabs.setImageLevel(REMOTE_TABS_HIDDEN);
} else {
mPanel = new RemoteTabs(mContext, null);
mTitle.setText(R.string.remote_tabs);
mRemoteTabs.setVisibility(View.VISIBLE);
mRemoteTabs.setImageLevel(REMOTE_TABS_SHOWN);
}
mPanel.setTabsPanel(this);
mPanel.show();
mListContainer.addView(mPanel.getLayout());
if (isSideBar()) {
if (showAnimation)
dispatchLayoutChange(getWidth(), getHeight());
} else {
int actionBarHeight = mContext.getResources().getDimensionPixelSize(R.dimen.browser_toolbar_height);
int height = actionBarHeight + getTabContainerHeight(mListContainer);
dispatchLayoutChange(getWidth(), height);
}
// If Sync is set up, query the database for remote clients.
final Context context = mContext;
new SyncAccounts.AccountsExistTask() {
@Override
protected void onPostExecute(Boolean result) {
if (!result.booleanValue()) {
return;
}
TabsAccessor.areClientsAvailable(context, new TabsAccessor.OnClientsAvailableListener() {
@Override
public void areAvailable(boolean available) {
final int visibility = available ? View.VISIBLE : View.GONE;
mRemoteTabs.setVisibility(visibility);
}
});
}
}.execute(context);
}
public void hide() {
if (mVisible) {
mVisible = false;
mPopupMenu.dismiss();
dispatchLayoutChange(0, 0);
}
}
public void refresh() {
mListContainer.forceLayout();
int index = indexOfChild(mToolbar);
removeViewAt(index);
mToolbar = new TabsPanelToolbar(mContext, null);
addView(mToolbar, index);
initToolbar();
if (mVisible)
show(mCurrentPanel);
}
public void autoHidePanel() {
mActivity.autoHideTabs();
}
@Override
public boolean isShown() {
return mVisible;
}
public boolean isSideBar() {
return mIsSideBar;
}
public void setTabsLayoutChangeListener(TabsLayoutChangeListener listener) {
mLayoutChangeListener = listener;
}
private void dispatchLayoutChange(int width, int height) {
if (mLayoutChangeListener != null)
mLayoutChangeListener.onTabsLayoutChange(width, height);
}
}