gecko/mobile/android/base/AboutHomeContent.java
Sriram Ramasubramanian ed5f9aedd1 Bug 845572: GeckoView should listen for LWTheme messages. [r=wesj]
--HG--
rename : mobile/android/base/resources/layout/awesomebar_tab_indicator.xml => mobile/android/base/resources/layout/awesomebar_tab_indicator.xml.in
2013-02-26 15:32:53 -08:00

1093 lines
40 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.db.BrowserContract;
import org.mozilla.gecko.db.BrowserContract.Thumbnails;
import org.mozilla.gecko.db.BrowserDB;
import org.mozilla.gecko.db.BrowserDB.URLColumns;
import org.mozilla.gecko.db.BrowserDB.PinnedSite;
import org.mozilla.gecko.db.BrowserDB.TopSitesCursorWrapper;
import org.mozilla.gecko.sync.setup.SyncAccounts;
import org.mozilla.gecko.util.ActivityResultHandler;
import org.mozilla.gecko.util.UiAsyncTask;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.database.ContentObserver;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.PathShape;
import android.graphics.Path;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.style.TextAppearanceSpan;
import android.util.AttributeSet;
import android.util.Log;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AbsListView;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ScrollView;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.EnumSet;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class AboutHomeContent extends ScrollView
implements TabsAccessor.OnQueryTabsCompleteListener,
LightweightTheme.OnChangeListener {
private static final String LOGTAG = "GeckoAboutHome";
private static final int NUMBER_OF_REMOTE_TABS = 5;
private static int mNumberOfTopSites;
private static int mNumberOfCols;
public static enum UnpinFlags {
REMOVE_PIN,
REMOVE_HISTORY
}
static enum UpdateFlags {
TOP_SITES,
PREVIOUS_TABS,
RECOMMENDED_ADDONS,
REMOTE_TABS;
public static final EnumSet<UpdateFlags> ALL = EnumSet.allOf(UpdateFlags.class);
}
private Context mContext;
private BrowserApp mActivity;
UriLoadCallback mUriLoadCallback = null;
VoidCallback mLoadCompleteCallback = null;
private LayoutInflater mInflater;
private ContentObserver mTabsContentObserver = null;
protected TopSitesCursorAdapter mTopSitesAdapter;
protected TopSitesGridView mTopSitesGrid;
private AboutHomePromoBox mPromoBox;
protected AboutHomeSection mAddons;
protected AboutHomeSection mLastTabs;
protected AboutHomeSection mRemoteTabs;
private View.OnClickListener mRemoteTabClickListener;
private static Rect sIconBounds;
private static TextAppearanceSpan sSubTitleSpan;
private static Drawable sPinDrawable = null;
private int mThumbnailBackground;
public interface UriLoadCallback {
public void callback(String uriSpec);
}
public interface VoidCallback {
public void callback();
}
public AboutHomeContent(Context context) {
super(context);
mContext = context;
mActivity = (BrowserApp) context;
}
public AboutHomeContent(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
mActivity = (BrowserApp) context;
}
public void init() {
int iconSize = mContext.getResources().getDimensionPixelSize(R.dimen.abouthome_addon_icon_size);
sIconBounds = new Rect(0, 0, iconSize, iconSize);
sSubTitleSpan = new TextAppearanceSpan(mContext, R.style.AboutHome_TextAppearance_SubTitle);
mThumbnailBackground = mContext.getResources().getColor(R.color.abouthome_thumbnail_bg);
inflate();
// Reload the mobile homepage on inbound tab syncs
// Because the tabs URI is coarse grained, this updates the
// remote tabs component on *every* tab change
// The observer will run on the background thread (see constructor argument)
mTabsContentObserver = new ContentObserver(GeckoAppShell.getHandler()) {
@Override
public void onChange(boolean selfChange) {
update(EnumSet.of(AboutHomeContent.UpdateFlags.REMOTE_TABS));
}
};
mActivity.getContentResolver().registerContentObserver(BrowserContract.Tabs.CONTENT_URI,
false, mTabsContentObserver);
mRemoteTabClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
int flags = Tabs.LOADURL_NEW_TAB;
if (Tabs.getInstance().getSelectedTab().isPrivate())
flags |= Tabs.LOADURL_PRIVATE;
Tabs.getInstance().loadUrl((String) v.getTag(), flags);
}
};
}
private void inflate() {
mInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mInflater.inflate(R.layout.abouthome_content, this);
mTopSitesGrid = (TopSitesGridView)findViewById(R.id.top_sites_grid);
mTopSitesGrid.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
TopSitesViewHolder holder = (TopSitesViewHolder) v.getTag();
String spec = holder.getUrl();
// If we don't have a url, this must be an empty row. Show the edit dialog box
if (TextUtils.isEmpty(spec)) {
editSite(spec, position);
return;
}
if (mUriLoadCallback != null)
mUriLoadCallback.callback(spec);
}
});
mTopSitesGrid.setOnCreateContextMenuListener(new View.OnCreateContextMenuListener() {
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo)menuInfo;
mTopSitesGrid.setSelectedPosition(info.position);
MenuInflater inflater = mActivity.getMenuInflater();
inflater.inflate(R.menu.abouthome_topsites_contextmenu, menu);
// If nothing is pinned at all, hide both clear items
// We can assume that the adapter count and view count are the same in this case because our grid view
// force all items to be visible all the time
View view = mTopSitesGrid.getChildAt(info.position);
TopSitesViewHolder holder = (TopSitesViewHolder) view.getTag();
if (TextUtils.isEmpty(holder.getUrl())) {
menu.findItem(R.id.abouthome_topsites_pin).setVisible(false);
menu.findItem(R.id.abouthome_topsites_unpin).setVisible(false);
menu.findItem(R.id.abouthome_topsites_remove).setVisible(false);
} else if (holder.isPinned()) {
menu.findItem(R.id.abouthome_topsites_pin).setVisible(false);
} else {
menu.findItem(R.id.abouthome_topsites_unpin).setVisible(false);
}
}
});
mPromoBox = (AboutHomePromoBox) findViewById(R.id.promo_box);
mAddons = (AboutHomeSection) findViewById(R.id.recommended_addons);
mLastTabs = (AboutHomeSection) findViewById(R.id.last_tabs);
mRemoteTabs = (AboutHomeSection) findViewById(R.id.remote_tabs);
mAddons.setOnMoreTextClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mUriLoadCallback != null)
mUriLoadCallback.callback("https://addons.mozilla.org/android");
}
});
mRemoteTabs.setOnMoreTextClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mActivity.showRemoteTabs();
}
});
setTopSitesConstants();
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
mActivity.getLightweightTheme().addListener(this);
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
mActivity.getLightweightTheme().removeListener(this);
}
public void onDestroy() {
if (mTopSitesAdapter != null) {
Cursor cursor = mTopSitesAdapter.getCursor();
if (cursor != null && !cursor.isClosed())
cursor.close();
}
if (mTabsContentObserver != null) {
mActivity.getContentResolver().unregisterContentObserver(mTabsContentObserver);
mTabsContentObserver = null;
}
}
void setLastTabsVisibility(boolean visible) {
if (visible)
mLastTabs.show();
else
mLastTabs.hide();
}
private void setTopSitesVisibility(boolean hasTopSites) {
int visibility = hasTopSites ? View.VISIBLE : View.GONE;
findViewById(R.id.top_sites_title).setVisibility(visibility);
findViewById(R.id.top_sites_grid).setVisibility(visibility);
}
private void updateLayout() {
boolean hasTopSites = mTopSitesAdapter.getCount() > 0;
setTopSitesVisibility(hasTopSites);
mPromoBox.showRandomPromo();
}
private void updateLayoutForSync() {
final GeckoApp.StartupMode startupMode = mActivity.getStartupMode();
post(new Runnable() {
@Override
public void run() {
// The listener might run before the UI is initially updated.
// In this case, we should simply wait for the initial setup
// to happen.
if (mTopSitesAdapter != null)
updateLayout();
}
});
}
private void loadTopSites() {
final ContentResolver resolver = mActivity.getContentResolver();
Cursor old = null;
if (mTopSitesAdapter != null) {
old = mTopSitesAdapter.getCursor();
}
// Swap in the new cursor.
final Cursor oldCursor = old;
final Cursor newCursor = BrowserDB.getTopSites(resolver, mNumberOfTopSites);
post(new Runnable() {
@Override
public void run() {
if (mTopSitesAdapter == null) {
mTopSitesAdapter = new TopSitesCursorAdapter(mActivity,
R.layout.abouthome_topsite_item,
newCursor,
new String[] { URLColumns.TITLE },
new int[] { R.id.title });
mTopSitesGrid.setAdapter(mTopSitesAdapter);
} else {
mTopSitesAdapter.changeCursor(newCursor);
}
if (mTopSitesAdapter.getCount() > 0)
loadTopSitesThumbnails(resolver);
updateLayout();
// Free the old Cursor in the right thread now.
if (oldCursor != null && !oldCursor.isClosed())
oldCursor.close();
// Even if AboutHome isn't necessarily entirely loaded if we
// get here, for phones this is the part the user initially sees,
// so it's the one we will care about for now.
if (mLoadCompleteCallback != null)
mLoadCompleteCallback.callback();
}
});
}
private List<String> getTopSitesUrls() {
List<String> urls = new ArrayList<String>();
Cursor c = mTopSitesAdapter.getCursor();
if (c == null || !c.moveToFirst())
return urls;
do {
final String url = c.getString(c.getColumnIndexOrThrow(URLColumns.URL));
urls.add(url);
} while (c.moveToNext());
return urls;
}
private void displayThumbnail(View view, Bitmap thumbnail) {
ImageView thumbnailView = (ImageView) view.findViewById(R.id.thumbnail);
if (thumbnail == null) {
thumbnailView.setImageResource(R.drawable.abouthome_thumbnail_bg);
thumbnailView.setBackgroundColor(mThumbnailBackground);
thumbnailView.setScaleType(ImageView.ScaleType.FIT_CENTER);
} else {
try {
thumbnailView.setImageBitmap(thumbnail);
thumbnailView.setBackgroundColor(0x0);
thumbnailView.setScaleType(ImageView.ScaleType.CENTER_CROP);
} catch (OutOfMemoryError oom) {
Log.e(LOGTAG, "Unable to load thumbnail bitmap", oom);
thumbnailView.setImageResource(R.drawable.abouthome_thumbnail_bg);
thumbnailView.setScaleType(ImageView.ScaleType.FIT_CENTER);
}
}
}
private void updateTopSitesThumbnails(Map<String, Bitmap> thumbnails) {
for (int i = 0; i < mTopSitesAdapter.getCount(); i++) {
final View view = mTopSitesGrid.getChildAt(i);
// The grid view might get temporarily out of sync with the
// adapter refreshes (e.g. on device rotation)
if (view == null)
continue;
TopSitesViewHolder holder = (TopSitesViewHolder)view.getTag();
final String url = holder.getUrl();
if (TextUtils.isEmpty(url)) {
holder.thumbnailView.setImageResource(R.drawable.abouthome_thumbnail_add);
holder.thumbnailView.setScaleType(ImageView.ScaleType.FIT_CENTER);
} else {
displayThumbnail(view, thumbnails.get(url));
}
}
mTopSitesGrid.invalidate();
}
public Map<String, Bitmap> getThumbnailsFromCursor(Cursor c) {
Map<String, Bitmap> thumbnails = new HashMap<String, Bitmap>();
try {
if (c == null || !c.moveToFirst())
return thumbnails;
do {
final String url = c.getString(c.getColumnIndexOrThrow(Thumbnails.URL));
final byte[] b = c.getBlob(c.getColumnIndexOrThrow(Thumbnails.DATA));
if (b == null)
continue;
Bitmap thumbnail = BitmapFactory.decodeByteArray(b, 0, b.length);
if (thumbnail == null)
continue;
thumbnails.put(url, thumbnail);
} while (c.moveToNext());
} finally {
if (c != null)
c.close();
}
return thumbnails;
}
private void loadTopSitesThumbnails(final ContentResolver cr) {
final List<String> urls = getTopSitesUrls();
if (urls.size() == 0)
return;
(new UiAsyncTask<Void, Void, Cursor>(GeckoAppShell.getHandler()) {
@Override
public Cursor doInBackground(Void... params) {
return BrowserDB.getThumbnailsForUrls(cr, urls);
}
@Override
public void onPostExecute(Cursor c) {
updateTopSitesThumbnails(getThumbnailsFromCursor(c));
}
}).execute();
}
void update(final EnumSet<UpdateFlags> flags) {
GeckoAppShell.getHandler().post(new Runnable() {
@Override
public void run() {
if (flags.contains(UpdateFlags.TOP_SITES))
loadTopSites();
if (flags.contains(UpdateFlags.PREVIOUS_TABS))
readLastTabs();
if (flags.contains(UpdateFlags.RECOMMENDED_ADDONS))
readRecommendedAddons();
if (flags.contains(UpdateFlags.REMOTE_TABS))
loadRemoteTabs();
}
});
}
public void setUriLoadCallback(UriLoadCallback uriLoadCallback) {
mUriLoadCallback = uriLoadCallback;
}
public void setLoadCompleteCallback(VoidCallback callback) {
mLoadCompleteCallback = callback;
}
public void onActivityContentChanged() {
update(EnumSet.of(UpdateFlags.TOP_SITES));
}
private void setTopSitesConstants() {
mNumberOfTopSites = getResources().getInteger(R.integer.number_of_top_sites);
mNumberOfCols = getResources().getInteger(R.integer.number_of_top_sites_cols);
}
/**
* Reinflates and updates all components of this view.
*/
public void refresh() {
if (mTopSitesAdapter != null)
mTopSitesAdapter.notifyDataSetChanged();
removeAllViews(); // We must remove the currently inflated view to allow for reinflation.
inflate();
mTopSitesGrid.setAdapter(mTopSitesAdapter); // mTopSitesGrid is a new instance (from loadTopSites()).
update(AboutHomeContent.UpdateFlags.ALL); // Refresh all elements.
}
private String readFromZipFile(String filename) {
ZipFile zip = null;
String str = null;
try {
InputStream fileStream = null;
File applicationPackage = new File(mActivity.getApplication().getPackageResourcePath());
zip = new ZipFile(applicationPackage);
if (zip == null)
return null;
ZipEntry fileEntry = zip.getEntry(filename);
if (fileEntry == null)
return null;
fileStream = zip.getInputStream(fileEntry);
str = readStringFromStream(fileStream);
} catch (IOException ioe) {
Log.e(LOGTAG, "error reading zip file: " + filename, ioe);
} finally {
try {
if (zip != null)
zip.close();
} catch (IOException ioe) {
// catch this here because we can continue even if the
// close failed
Log.e(LOGTAG, "error closing zip filestream", ioe);
}
}
return str;
}
private String readStringFromStream(InputStream fileStream) {
String str = null;
try {
byte[] buf = new byte[32768];
StringBuffer jsonString = new StringBuffer();
int read = 0;
while ((read = fileStream.read(buf, 0, 32768)) != -1)
jsonString.append(new String(buf, 0, read));
str = jsonString.toString();
} catch (IOException ioe) {
Log.i(LOGTAG, "error reading filestream", ioe);
} finally {
try {
if (fileStream != null)
fileStream.close();
} catch (IOException ioe) {
// catch this here because we can continue even if the
// close failed
Log.e(LOGTAG, "error closing filestream", ioe);
}
}
return str;
}
private String getPageUrlFromIconUrl(String iconUrl) {
// Addon icon URLs come with a query argument that is usually
// used for expiration purposes. We want the "page URL" here to be
// stable enough to avoid unnecessary duplicate records of the
// same addon.
String pageUrl = iconUrl;
try {
URL urlForIcon = new URL(iconUrl);
URL urlForPage = new URL(urlForIcon.getProtocol(), urlForIcon.getAuthority(), urlForIcon.getPath());
pageUrl = urlForPage.toString();
} catch (MalformedURLException e) {
// Defaults to pageUrl = iconUrl in case of error
}
return pageUrl;
}
private void readRecommendedAddons() {
final String addonsFilename = "recommended-addons.json";
String jsonString;
try {
jsonString = mActivity.getProfile().readFile(addonsFilename);
} catch (IOException ioe) {
Log.i(LOGTAG, "filestream is null");
jsonString = readFromZipFile(addonsFilename);
}
JSONArray addonsArray = null;
if (jsonString != null) {
try {
addonsArray = new JSONObject(jsonString).getJSONArray("addons");
} catch (JSONException e) {
Log.i(LOGTAG, "error reading json file", e);
}
}
final JSONArray array = addonsArray;
post(new Runnable() {
@Override
public void run() {
try {
if (array == null || array.length() == 0) {
mAddons.hide();
return;
}
for (int i = 0; i < array.length(); i++) {
JSONObject jsonobj = array.getJSONObject(i);
String name = jsonobj.getString("name");
String version = jsonobj.getString("version");
String text = name + " " + version;
SpannableString spannable = new SpannableString(text);
spannable.setSpan(sSubTitleSpan, name.length() + 1, text.length(), 0);
final TextView row = (TextView) mInflater.inflate(R.layout.abouthome_addon_row, mAddons.getItemsContainer(), false);
row.setText(spannable, TextView.BufferType.SPANNABLE);
Drawable drawable = mContext.getResources().getDrawable(R.drawable.ic_addons_empty);
drawable.setBounds(sIconBounds);
row.setCompoundDrawables(drawable, null, null, null);
String iconUrl = jsonobj.getString("iconURL");
String pageUrl = getPageUrlFromIconUrl(iconUrl);
final String homepageUrl = jsonobj.getString("homepageURL");
row.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mUriLoadCallback != null)
mUriLoadCallback.callback(homepageUrl);
}
});
Favicons favicons = Favicons.getInstance();
favicons.loadFavicon(pageUrl, iconUrl, true,
new Favicons.OnFaviconLoadedListener() {
@Override
public void onFaviconLoaded(String url, Bitmap favicon) {
if (favicon != null) {
Drawable drawable = new BitmapDrawable(favicon);
drawable.setBounds(sIconBounds);
row.setCompoundDrawables(drawable, null, null, null);
}
}
});
mAddons.addItem(row);
}
mAddons.show();
} catch (JSONException e) {
Log.i(LOGTAG, "error reading json file", e);
}
}
});
}
private void readLastTabs() {
String jsonString = mActivity.getProfile().readSessionFile(true);
if (jsonString == null) {
// no previous session data
return;
}
final ArrayList<String> lastTabUrlsList = new ArrayList<String>();
new SessionParser() {
@Override
public void onTabRead(final SessionTab tab) {
final String url = tab.getSelectedUrl();
// don't show last tabs for about:home
if (url.equals("about:home")) {
return;
}
ContentResolver resolver = mActivity.getContentResolver();
final Bitmap favicon = BrowserDB.getFaviconForUrl(resolver, url);
lastTabUrlsList.add(url);
AboutHomeContent.this.post(new Runnable() {
@Override
public void run() {
View container = mInflater.inflate(R.layout.abouthome_last_tabs_row, mLastTabs.getItemsContainer(), false);
((TextView) container.findViewById(R.id.last_tab_title)).setText(tab.getSelectedTitle());
((TextView) container.findViewById(R.id.last_tab_url)).setText(tab.getSelectedUrl());
if (favicon != null) {
((ImageView) container.findViewById(R.id.last_tab_favicon)).setImageBitmap(favicon);
}
container.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int flags = Tabs.LOADURL_NEW_TAB;
if (Tabs.getInstance().getSelectedTab().isPrivate())
flags |= Tabs.LOADURL_PRIVATE;
Tabs.getInstance().loadUrl(url, flags);
}
});
mLastTabs.addItem(container);
}
});
}
}.parse(jsonString);
final int numLastTabs = lastTabUrlsList.size();
if (numLastTabs >= 1) {
post(new Runnable() {
@Override
public void run() {
if (numLastTabs > 1) {
mLastTabs.showMoreText();
mLastTabs.setOnMoreTextClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int flags = Tabs.LOADURL_NEW_TAB;
if (Tabs.getInstance().getSelectedTab().isPrivate())
flags |= Tabs.LOADURL_PRIVATE;
for (String url : lastTabUrlsList) {
Tabs.getInstance().loadUrl(url, flags);
}
}
});
} else if (numLastTabs == 1) {
mLastTabs.hideMoreText();
}
mLastTabs.show();
}
});
}
}
private void loadRemoteTabs() {
if (!SyncAccounts.syncAccountsExist(mActivity)) {
post(new Runnable() {
@Override
public void run() {
mRemoteTabs.hide();
}
});
return;
}
TabsAccessor.getTabs(getContext(), NUMBER_OF_REMOTE_TABS, this);
}
@Override
public void onQueryTabsComplete(List<TabsAccessor.RemoteTab> tabsList) {
ArrayList<TabsAccessor.RemoteTab> tabs = new ArrayList<TabsAccessor.RemoteTab> (tabsList);
if (tabs == null || tabs.size() == 0) {
mRemoteTabs.hide();
return;
}
mRemoteTabs.clear();
String client = null;
for (TabsAccessor.RemoteTab tab : tabs) {
if (client == null)
client = tab.name;
else if (!TextUtils.equals(client, tab.name))
break;
final TextView row = (TextView) mInflater.inflate(R.layout.abouthome_remote_tab_row, mRemoteTabs.getItemsContainer(), false);
row.setText(TextUtils.isEmpty(tab.title) ? tab.url : tab.title);
row.setTag(tab.url);
mRemoteTabs.addItem(row);
row.setOnClickListener(mRemoteTabClickListener);
}
mRemoteTabs.setSubtitle(client);
mRemoteTabs.show();
}
@Override
public void onLightweightThemeChanged() {
LightweightThemeDrawable drawable = mActivity.getLightweightTheme().getColorDrawable(this);
if (drawable == null)
return;
drawable.setAlpha(255, 0);
setBackgroundDrawable(drawable);
}
@Override
public void onLightweightThemeReset() {
setBackgroundColor(getContext().getResources().getColor(R.color.background_normal));
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
onLightweightThemeChanged();
}
public static class TopSitesGridView extends GridView {
int mSelected = -1;
public TopSitesGridView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public int getColumnWidth() {
return getColumnWidth(getWidth());
}
public int getColumnWidth(int width) {
// super.getColumnWidth() doesn't always return the correct value.
return (width - getPaddingLeft() - getPaddingRight()) / mNumberOfCols;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int measuredWidth = View.MeasureSpec.getSize(widthMeasureSpec);
int numRows;
SimpleCursorAdapter adapter = (SimpleCursorAdapter) getAdapter();
int nSites = Integer.MAX_VALUE;
if (adapter != null) {
Cursor c = adapter.getCursor();
if (c != null)
nSites = c.getCount();
}
nSites = Math.min(nSites, mNumberOfTopSites);
numRows = (int) Math.round((double) nSites / mNumberOfCols);
setNumColumns(mNumberOfCols);
// Just using getWidth() will use incorrect values during onMeasure when rotating the device
// Instead we pass in the measuredWidth, which is correct
int w = getColumnWidth(measuredWidth);
ThumbnailHelper.getInstance().setThumbnailWidth(w);
heightMeasureSpec = MeasureSpec.makeMeasureSpec((int)(w*ThumbnailHelper.THUMBNAIL_ASPECT_RATIO*numRows) + getPaddingTop() + getPaddingBottom(),
MeasureSpec.EXACTLY);
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
public void setSelectedPosition(int position) {
mSelected = position;
}
public int getSelectedPosition() {
return mSelected;
}
}
private class TopSitesViewHolder {
public TextView titleView = null;
public ImageView thumbnailView = null;
public ImageView pinnedView = null;
private String mTitle = null;
private String mUrl = null;
private boolean mIsPinned = false;
public TopSitesViewHolder(View v) {
titleView = (TextView) v.findViewById(R.id.title);
thumbnailView = (ImageView) v.findViewById(R.id.thumbnail);
pinnedView = (ImageView) v.findViewById(R.id.pinned);
}
public void setTitle(String title) {
if (mTitle != null && mTitle.equals(title))
return;
mTitle = title;
updateTitleView();
}
public String getTitle() {
return (!TextUtils.isEmpty(mTitle) ? mTitle : mUrl);
}
public void setUrl(String url) {
if (mUrl != null && mUrl.equals(url))
return;
mUrl = url;
updateTitleView();
}
public String getUrl() {
return mUrl;
}
public void updateTitleView() {
String title = getTitle();
if (!TextUtils.isEmpty(title)) {
titleView.setText(title);
titleView.setVisibility(View.VISIBLE);
} else {
titleView.setVisibility(View.INVISIBLE);
}
}
private Drawable getPinDrawable() {
if (sPinDrawable == null) {
int size = mContext.getResources().getDimensionPixelSize(R.dimen.abouthome_topsite_pinsize);
// Draw a little triangle in the upper right corner
Path path = new Path();
path.moveTo(0, 0);
path.lineTo(size, 0);
path.lineTo(size, size);
path.close();
sPinDrawable = new ShapeDrawable(new PathShape(path, size, size));
Paint p = ((ShapeDrawable) sPinDrawable).getPaint();
p.setColor(mContext.getResources().getColor(R.color.abouthome_topsite_pin));
}
return sPinDrawable;
}
public void setPinned(boolean aPinned) {
mIsPinned = aPinned;
pinnedView.setBackgroundDrawable(aPinned ? getPinDrawable() : null);
}
public boolean isPinned() {
return mIsPinned;
}
}
public class TopSitesCursorAdapter extends SimpleCursorAdapter {
public TopSitesCursorAdapter(Context context, int layout, Cursor c,
String[] from, int[] to) {
super(context, layout, c, from, to);
}
@Override
public int getCount() {
return Math.min(super.getCount(), mNumberOfTopSites);
}
@Override
protected void onContentChanged () {
// Don't do anything. We don't want to regenerate every time
// our history database is updated.
return;
}
private View buildView(String url, String title, boolean pinned, View convertView) {
TopSitesViewHolder viewHolder;
if (convertView == null) {
convertView = mInflater.inflate(R.layout.abouthome_topsite_item, null);
viewHolder = new TopSitesViewHolder(convertView);
convertView.setTag(viewHolder);
} else {
viewHolder = (TopSitesViewHolder) convertView.getTag();
}
viewHolder.setTitle(title);
viewHolder.setUrl(url);
viewHolder.setPinned(pinned);
// Force the view to fit inside this slot in the grid
convertView.setLayoutParams(new AbsListView.LayoutParams(mTopSitesGrid.getColumnWidth(),
Math.round(mTopSitesGrid.getColumnWidth()*ThumbnailHelper.THUMBNAIL_ASPECT_RATIO)));
return convertView;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
String url = "";
String title = "";
boolean pinned = false;
Cursor c = getCursor();
c.moveToPosition(position);
if (!c.isAfterLast()) {
url = c.getString(c.getColumnIndex(URLColumns.URL));
title = c.getString(c.getColumnIndex(URLColumns.TITLE));
pinned = ((TopSitesCursorWrapper)c).isPinned();
}
return buildView(url, title, pinned, convertView);
}
}
private void clearThumbnailsWithUrl(final String url) {
for (int i = 0; i < mTopSitesAdapter.getCount(); i++) {
final View view = mTopSitesGrid.getChildAt(i);
final TopSitesViewHolder holder = (TopSitesViewHolder) view.getTag();
if (holder.getUrl().equals(url)) {
clearThumbnail(holder);
}
}
}
private void clearThumbnail(TopSitesViewHolder holder) {
holder.setTitle("");
holder.setUrl("");
holder.thumbnailView.setImageResource(R.drawable.abouthome_thumbnail_add);
holder.thumbnailView.setBackgroundColor(mThumbnailBackground);
holder.thumbnailView.setScaleType(ImageView.ScaleType.FIT_CENTER);
holder.setPinned(false);
}
public void unpinSite(final UnpinFlags flags) {
final int position = mTopSitesGrid.getSelectedPosition();
final View v = mTopSitesGrid.getChildAt(position);
final TopSitesViewHolder holder = (TopSitesViewHolder) v.getTag();
final String url = holder.getUrl();
// Quickly update the view so that there isn't as much lag between the request and response
clearThumbnail(holder);
(new UiAsyncTask<Void, Void, Void>(GeckoAppShell.getHandler()) {
@Override
public Void doInBackground(Void... params) {
final ContentResolver resolver = mActivity.getContentResolver();
BrowserDB.unpinSite(resolver, position);
if (flags == UnpinFlags.REMOVE_HISTORY) {
BrowserDB.removeHistoryEntry(resolver, url);
}
return null;
}
}).execute();
}
public void pinSite() {
final int position = mTopSitesGrid.getSelectedPosition();
View v = mTopSitesGrid.getChildAt(position);
final TopSitesViewHolder holder = (TopSitesViewHolder) v.getTag();
holder.setPinned(true);
// update the database on a background thread
(new UiAsyncTask<Void, Void, Void>(GeckoAppShell.getHandler()) {
@Override
public Void doInBackground(Void... params) {
final ContentResolver resolver = mActivity.getContentResolver();
BrowserDB.pinSite(resolver, holder.getUrl(), holder.getTitle(), position);
return null;
}
}).execute();
}
public void editSite() {
int position = mTopSitesGrid.getSelectedPosition();
View v = mTopSitesGrid.getChildAt(position);
TopSitesViewHolder holder = (TopSitesViewHolder) v.getTag();
editSite(holder.getUrl(), position);
}
// Edit the site at position. Provide a url to start editing with
public void editSite(String url, final int position) {
Intent intent = new Intent(mContext, AwesomeBar.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
intent.putExtra(AwesomeBar.TARGET_KEY, AwesomeBar.Target.PICK_SITE.toString());
if (url != null && !TextUtils.isEmpty(url)) {
intent.putExtra(AwesomeBar.CURRENT_URL_KEY, url);
}
int requestCode = GeckoAppShell.sActivityHelper.makeRequestCode(new ActivityResultHandler() {
@Override
public void onActivityResult(int resultCode, Intent data) {
if (resultCode == Activity.RESULT_CANCELED || data == null)
return;
final View v = mTopSitesGrid.getChildAt(position);
final TopSitesViewHolder holder = (TopSitesViewHolder) v.getTag();
final String title = data.getStringExtra(AwesomeBar.TITLE_KEY);
final String url = data.getStringExtra(AwesomeBar.URL_KEY);
clearThumbnailsWithUrl(url);
holder.setUrl(url);
holder.setTitle(title);
holder.setPinned(true);
// update the database on a background thread
(new UiAsyncTask<Void, Void, Bitmap>(GeckoAppShell.getHandler()) {
@Override
public Bitmap doInBackground(Void... params) {
final ContentResolver resolver = mActivity.getContentResolver();
BrowserDB.pinSite(resolver, holder.getUrl(), holder.getTitle(), position);
List<String> urls = new ArrayList<String>();
urls.add(holder.getUrl());
Cursor c = BrowserDB.getThumbnailsForUrls(resolver, urls);
if (c == null || !c.moveToFirst()) {
return null;
}
final byte[] b = c.getBlob(c.getColumnIndexOrThrow(Thumbnails.DATA));
if (b != null) {
return BitmapFactory.decodeByteArray(b, 0, b.length);
}
return null;
}
@Override
public void onPostExecute(Bitmap b) {
displayThumbnail(v, b);
}
}).execute();
}
});
mActivity.startActivityForResult(intent, requestCode);
}
}