src/com/android/browser/PieControl.java

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.browser;

import com.android.browser.view.PieItem;
import com.android.browser.view.PieMenu;

import android.app.Activity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.webkit.WebView;
import android.widget.FrameLayout;
import android.widget.ImageView;

/**
 * controller for Quick Controls pie menu
 */
public class PieControl implements OnClickListener, PieMenu.PieController {

    private Activity mActivity;
    private UiController mUiController;
    private XLargeUi mUi;
    private PieMenu mPie;
    private PieItem mBack;
    private PieItem mForward;
    private PieItem mRefresh;
    private PieItem mUrl;
    private PieItem mOptions;
    private PieItem mBookmarks;
    private PieItem mNewTab;
    private PieItem mClose;

    public PieControl(Activity activity, UiController controller, XLargeUi ui) {
        mActivity = activity;
        mUiController = controller;
        mUi = ui;
    }

    protected void attachToContainer(FrameLayout container) {
        if (mPie == null) {
            mPie = new PieMenu(mActivity);
            LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT,
                    LayoutParams.MATCH_PARENT);
            mPie.setLayoutParams(lp);
            mBack = makeItem(R.drawable.ic_back_holo_dark, 1);
            mUrl = makeItem(R.drawable.ic_web_holo_dark, 1);
            mBookmarks = makeItem(R.drawable.ic_bookmarks_holo_dark, 1);
            mRefresh = makeItem(R.drawable.ic_refresh_holo_dark, 2);
            mForward = makeItem(R.drawable.ic_forward_holo_dark, 2);
            mNewTab = makeItem(R.drawable.ic_new_window_holo_dark, 2);
            mClose = makeItem(R.drawable.ic_close_window_holo_dark, 2);
            mOptions = makeItem(
                    com.android.internal.R.drawable.ic_menu_moreoverflow_normal_holo_dark,
                    2);
            setClickListener(mBack,
                    mRefresh,
                    mForward,
                    mUrl,
                    mOptions,
                    mBookmarks,
                    mNewTab,
                    mClose
                    );
            // level 1
            mPie.addItem(mBack);
            mPie.addItem(mUrl);
            mPie.addItem(mBookmarks);
            // level 2
            mPie.addItem(mForward);
            mPie.addItem(mRefresh);
            mPie.addItem(mNewTab);
            mPie.addItem(mClose);
            mPie.addItem(mOptions);
            mPie.setController(this);
        }
        container.addView(mPie);
    }

    protected void removeFromContainer(FrameLayout container) {
        container.removeView(mPie);
    }

    private PieItem makeItem(int image, int l) {
        ImageView view = new ImageView(mActivity);
        view.setImageResource(image);
        view.setMinimumWidth(48);
        view.setMinimumHeight(48);
        LayoutParams lp = new LayoutParams(48, 48);
        view.setLayoutParams(lp);
        view.setBackgroundResource(R.drawable.qc_item_selector);
        return new PieItem(view, l);
    }

    private void setClickListener(PieItem... items) {
        for (PieItem item : items) {
            item.getView().setOnClickListener(this);
        }
    }

    protected void forceToTop(FrameLayout container) {
        if (mPie.getParent() != null) {
            container.removeView(mPie);
            container.addView(mPie);
        }
    }

    @Override
    public void onClick(View v) {
        Tab tab = mUiController.getTabControl().getCurrentTab();
        WebView web = tab.getWebView();
        if (mBack.getView() == v) {
            web.goBack();
        } else if (mForward.getView() == v) {
            web.goForward();
        } else if (mRefresh.getView() == v) {
            if (tab.inPageLoad()) {
                web.stopLoading();
            } else {
                web.reload();
            }
        } else if (mUrl.getView() == v) {
            mUi.showTitleBarAndEdit();
        } else if (mOptions.getView() == v) {
            mActivity.openOptionsMenu();
        } else if (mBookmarks.getView() == v) {
            mUiController.bookmarksOrHistoryPicker(false);
        } else if (mNewTab.getView() == v) {
            mUiController.openTabToHomePage();
            mUi.showTitleBarAndEdit();
        } else if (mClose.getView() == v) {
            mUiController.closeCurrentTab();
        }
    }

    @Override
    public boolean onOpen() {
        return false;
    }

}