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Merge remote-tracking branch 'origin/master' into canonicalize

Browse Source 
Conflicts:
	.gitmodules
	OpenKeychain/build.gradle
	OpenKeychain/src/main/AndroidManifest.xml
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/ImportKeysListEntry.java
	OpenKeychain/src/main/res/values/strings.xml
	settings.gradle
This commit is contained in:
Vincent Breitmoser
2014-06-12 23:57:21 +02:00
parent 073433fa74 70d454785f
commit ca4774fd62
43 changed files with 834 additions and 173 deletions
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2
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/HelpActivity.java
View File

@@ -25,7 +25,7 @@ import android.support.v7.app.ActionBarActivity;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.ui.adapter.PagerTabStripAdapter;
import org.sufficientlysecure.keychain.util.SlidingTabLayout;
import org.sufficientlysecure.keychain.ui.widget.SlidingTabLayout;
public class HelpActivity extends ActionBarActivity {
public static final String EXTRA_SELECTED_TAB = "selected_tab";

6
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
View File

@@ -252,7 +252,7 @@ public class KeyListFragment extends LoaderFragment
static final int INDEX_HAS_ANY_SECRET = 6;
static final String ORDER =
KeyRings.HAS_ANY_SECRET + " DESC, " + KeyRings.USER_ID + " ASC";
KeyRings.HAS_ANY_SECRET + " DESC, UPPER(" + KeyRings.USER_ID + ") ASC";
@Override
@@ -592,7 +592,7 @@ public class KeyListFragment extends LoaderFragment
String userId = mCursor.getString(KeyListFragment.INDEX_USER_ID);
String headerText = convertView.getResources().getString(R.string.user_id_no_name);
if (userId != null && userId.length() > 0) {
headerText = "" + userId.subSequence(0, 1).charAt(0);
headerText = "" + userId.charAt(0);
}
holder.mText.setText(headerText);
holder.mCount.setVisibility(View.GONE);
@@ -621,7 +621,7 @@ public class KeyListFragment extends LoaderFragment
// otherwise, return the first character of the name as ID
String userId = mCursor.getString(KeyListFragment.INDEX_USER_ID);
if (userId != null && userId.length() > 0) {
return userId.charAt(0);
return Character.toUpperCase(userId.charAt(0));
} else {
return Long.MAX_VALUE;
}

102
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
View File

@@ -20,6 +20,7 @@ package org.sufficientlysecure.keychain.ui;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
@@ -32,6 +33,7 @@ import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.ContactsContract;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
@@ -47,6 +49,7 @@ import com.devspark.appmsg.AppMsg;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.ContactHelper;
import org.sufficientlysecure.keychain.helper.ExportHelper;
import org.sufficientlysecure.keychain.pgp.KeyRing;
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
@@ -54,7 +57,7 @@ import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.adapter.PagerTabStripAdapter;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.SlidingTabLayout;
import org.sufficientlysecure.keychain.ui.widget.SlidingTabLayout;
import java.util.Date;
import java.util.HashMap;
@@ -92,6 +95,8 @@ public class ViewKeyActivity extends ActionBarActivity implements
private static final int LOADER_ID_UNIFIED = 0;
private boolean mShowAdvancedTabs;
@Override
protected void onCreate(Bundle savedInstanceState) {
@@ -116,16 +121,13 @@ public class ViewKeyActivity extends ActionBarActivity implements
mViewPager = (ViewPager) findViewById(R.id.view_key_pager);
mSlidingTabLayout = (SlidingTabLayout) findViewById(R.id.view_key_sliding_tab_layout);
mTabsAdapter = new PagerTabStripAdapter(this);
mViewPager.setAdapter(mTabsAdapter);
int switchToTab = TAB_MAIN;
Intent intent = getIntent();
if (intent.getExtras() != null && intent.getExtras().containsKey(EXTRA_SELECTED_TAB)) {
switchToTab = intent.getExtras().getInt(EXTRA_SELECTED_TAB);
}
Uri dataUri = getIntent().getData();
Uri dataUri = getDataUri();
if (dataUri == null) {
Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
finish();
@@ -136,6 +138,18 @@ public class ViewKeyActivity extends ActionBarActivity implements
initNfc(dataUri);
mShowAdvancedTabs = false;
initTabs(dataUri);
// switch to tab selected by extra
mViewPager.setCurrentItem(switchToTab);
}
private void initTabs(Uri dataUri) {
mTabsAdapter = new PagerTabStripAdapter(this);
mViewPager.setAdapter(mTabsAdapter);
Bundle mainBundle = new Bundle();
mainBundle.putParcelable(ViewKeyMainFragment.ARG_DATA_URI, dataUri);
mTabsAdapter.addTab(ViewKeyMainFragment.class,
@@ -146,6 +160,11 @@ public class ViewKeyActivity extends ActionBarActivity implements
mTabsAdapter.addTab(ViewKeyShareFragment.class,
mainBundle, getString(R.string.key_view_tab_share));
// update layout after operations
mSlidingTabLayout.setViewPager(mViewPager);
}
private void addAdvancedTabs(Uri dataUri) {
Bundle keyDetailsBundle = new Bundle();
keyDetailsBundle.putParcelable(ViewKeyKeysFragment.ARG_DATA_URI, dataUri);
mTabsAdapter.addTab(ViewKeyKeysFragment.class,
@@ -156,11 +175,54 @@ public class ViewKeyActivity extends ActionBarActivity implements
mTabsAdapter.addTab(ViewKeyCertsFragment.class,
certBundle, getString(R.string.key_view_tab_certs));
// NOTE: must be after adding the tabs!
// update layout after operations
mSlidingTabLayout.setViewPager(mViewPager);
}
// switch to tab selected by extra
mViewPager.setCurrentItem(switchToTab);
private void removeAdvancedTabs() {
// before removing, switch to the first tab if necessary
if (mViewPager.getCurrentItem() >= TAB_KEYS) {
// remove _after_ switching to the main tab
mViewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
}
@Override
public void onPageScrollStateChanged(int state) {
if (ViewPager.SCROLL_STATE_SETTLING == state) {
mTabsAdapter.removeTab(TAB_CERTS);
mTabsAdapter.removeTab(TAB_KEYS);
// update layout after operations
mSlidingTabLayout.setViewPager(mViewPager);
// remove this listener again
// mViewPager.setOnPageChangeListener(null);
}
}
});
mViewPager.setCurrentItem(TAB_MAIN);
} else {
mTabsAdapter.removeTab(TAB_CERTS);
mTabsAdapter.removeTab(TAB_KEYS);
}
// update layout after operations
mSlidingTabLayout.setViewPager(mViewPager);
}
private Uri getDataUri() {
Uri dataUri = getIntent().getData();
if (dataUri != null && dataUri.getHost().equals(ContactsContract.AUTHORITY)) {
dataUri = ContactHelper.dataUriFromContactUri(this, dataUri);
}
return dataUri;
}
private void loadData(Uri dataUri) {
@@ -177,6 +239,9 @@ public class ViewKeyActivity extends ActionBarActivity implements
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.key_view, menu);
MenuItem showAdvancedInfoItem = menu.findItem(R.id.menu_key_view_advanced);
showAdvancedInfoItem.setChecked(mShowAdvancedTabs);
return true;
}
@@ -184,24 +249,37 @@ public class ViewKeyActivity extends ActionBarActivity implements
public boolean onOptionsItemSelected(MenuItem item) {
try {
switch (item.getItemId()) {
case android.R.id.home:
case android.R.id.home: {
Intent homeIntent = new Intent(this, KeyListActivity.class);
homeIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(homeIntent);
return true;
case R.id.menu_key_view_update:
}
case R.id.menu_key_view_update: {
updateFromKeyserver(mDataUri, mProviderHelper);
return true;
case R.id.menu_key_view_export_keyserver:
}
case R.id.menu_key_view_export_keyserver: {
uploadToKeyserver(mDataUri);
return true;
case R.id.menu_key_view_export_file:
}
case R.id.menu_key_view_export_file: {
exportToFile(mDataUri, mExportHelper, mProviderHelper);
return true;
}
case R.id.menu_key_view_delete: {
deleteKey(mDataUri, mExportHelper);
return true;
}
case R.id.menu_key_view_advanced: {
mShowAdvancedTabs = !mShowAdvancedTabs;
item.setChecked(mShowAdvancedTabs);
if (mShowAdvancedTabs) {
addAdvancedTabs(mDataUri);
} else {
removeAdvancedTabs();
}
}
}
} catch (ProviderHelper.NotFoundException e) {
AppMsg.makeText(this, R.string.error_key_not_found, AppMsg.STYLE_ALERT).show();

25
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java
View File

@@ -33,7 +33,6 @@ import android.widget.TextView;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
import org.sufficientlysecure.keychain.pgp.KeyRing;
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
import org.sufficientlysecure.keychain.util.Highlighter;
import java.util.ArrayList;
@@ -120,13 +119,13 @@ public class ImportKeysAdapter extends ArrayAdapter<ImportKeysListEntry> {
}
// main user id
String userId = entry.userIds.get(0);
String userId = entry.getUserIds().get(0);
String[] userIdSplit = KeyRing.splitUserId(userId);
// name
if (userIdSplit[0] != null) {
// show red user id if it is a secret key
if (entry.secretKey) {
if (entry.isSecretKey()) {
holder.mainUserId.setText(mActivity.getString(R.string.secret_key)
+ " " + userIdSplit[0]);
holder.mainUserId.setTextColor(Color.RED);
@@ -147,30 +146,26 @@ public class ImportKeysAdapter extends ArrayAdapter<ImportKeysListEntry> {
holder.mainUserIdRest.setVisibility(View.GONE);
}
holder.keyId.setText(entry.keyIdHex);
holder.keyId.setText(entry.getKeyIdHex());
if (entry.fingerprintHex != null) {
holder.fingerprint.setVisibility(View.VISIBLE);
holder.fingerprint.setText(PgpKeyHelper.colorizeFingerprint(entry.fingerprintHex));
} else {
holder.fingerprint.setVisibility(View.GONE);
}
// don't show full fingerprint on key import
holder.fingerprint.setVisibility(View.GONE);
if (entry.bitStrength != 0 && entry.algorithm != null) {
holder.algorithm.setText("" + entry.bitStrength + "/" + entry.algorithm);
if (entry.getBitStrength() != 0 && entry.getAlgorithm() != null) {
holder.algorithm.setText("" + entry.getBitStrength() + "/" + entry.getAlgorithm());
holder.algorithm.setVisibility(View.VISIBLE);
} else {
holder.algorithm.setVisibility(View.INVISIBLE);
}
if (entry.revoked) {
if (entry.isRevoked()) {
holder.status.setVisibility(View.VISIBLE);
holder.status.setText(R.string.revoked);
} else {
holder.status.setVisibility(View.GONE);
}
if (entry.userIds.size() == 1) {
if (entry.getUserIds().size() == 1) {
holder.userIdsList.setVisibility(View.GONE);
} else {
holder.userIdsList.setVisibility(View.VISIBLE);
@@ -178,7 +173,7 @@ public class ImportKeysAdapter extends ArrayAdapter<ImportKeysListEntry> {
// clear view from holder
holder.userIdsList.removeAllViews();
Iterator<String> it = entry.userIds.iterator();
Iterator<String> it = entry.getUserIds().iterator();
// skip primary user id
it.next();
while (it.hasNext()) {

10
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/PagerTabStripAdapter.java
View File

@@ -20,8 +20,13 @@ package org.sufficientlysecure.keychain.ui.adapter;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.ActionBarActivity;
import android.view.ViewGroup;
import org.sufficientlysecure.keychain.Constants;
import java.util.ArrayList;
@@ -52,6 +57,11 @@ public class PagerTabStripAdapter extends FragmentPagerAdapter {
notifyDataSetChanged();
}
public void removeTab(int index) {
mTabs.remove(index);
notifyDataSetChanged();
}
@Override
public int getCount() {
return mTabs.size();

318
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SlidingTabLayout.java Normal file
View File

@@ -0,0 +1,318 @@
/*
* Copyright (C) 2013 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 org.sufficientlysecure.keychain.ui.widget;
import android.content.Context;
import android.graphics.Typeface;
import android.os.Build;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.HorizontalScrollView;
import android.widget.TextView;
/**
* Copied from http://developer.android.com/samples/SlidingTabsColors/index.html
*/
/**
* To be used with ViewPager to provide a tab indicator component which give constant feedback as to
* the user's scroll progress.
* <p/>
* To use the component, simply add it to your view hierarchy. Then in your
* {@link android.app.Activity} or {@link android.support.v4.app.Fragment} call
* {@link #setViewPager(ViewPager)} providing it the ViewPager this layout is being used for.
* <p/>
* The colors can be customized in two ways. The first and simplest is to provide an array of colors
* via {@link #setSelectedIndicatorColors(int...)} and {@link #setDividerColors(int...)}. The
* alternative is via the {@link TabColorizer} interface which provides you complete control over
* which color is used for any individual position.
* <p/>
* The views used as tabs can be customized by calling {@link #setCustomTabView(int, int)},
* providing the layout ID of your custom layout.
*/
public class SlidingTabLayout extends HorizontalScrollView {
/**
* Allows complete control over the colors drawn in the tab layout. Set with
* {@link #setCustomTabColorizer(TabColorizer)}.
*/
public interface TabColorizer {
/**
* @return return the color of the indicator used when {@code position} is selected.
*/
int getIndicatorColor(int position);
/**
* @return return the color of the divider drawn to the right of {@code position}.
*/
int getDividerColor(int position);
}
private static final int TITLE_OFFSET_DIPS = 24;
private static final int TAB_VIEW_PADDING_DIPS = 16;
private static final int TAB_VIEW_TEXT_SIZE_SP = 12;
private int mTitleOffset;
private int mTabViewLayoutId;
private int mTabViewTextViewId;
private ViewPager mViewPager;
private ViewPager.OnPageChangeListener mViewPagerPageChangeListener;
private final SlidingTabStrip mTabStrip;
public SlidingTabLayout(Context context) {
this(context, null);
}
public SlidingTabLayout(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public SlidingTabLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// Disable the Scroll Bar
setHorizontalScrollBarEnabled(false);
// Make sure that the Tab Strips fills this View
setFillViewport(true);
mTitleOffset = (int) (TITLE_OFFSET_DIPS * getResources().getDisplayMetrics().density);
mTabStrip = new SlidingTabStrip(context);
addView(mTabStrip, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
}
/**
* Set the custom {@link TabColorizer} to be used.
* <p/>
* If you only require simple custmisation then you can use
* {@link #setSelectedIndicatorColors(int...)} and {@link #setDividerColors(int...)} to achieve
* similar effects.
*/
public void setCustomTabColorizer(TabColorizer tabColorizer) {
mTabStrip.setCustomTabColorizer(tabColorizer);
}
/**
* Sets the colors to be used for indicating the selected tab. These colors are treated as a
* circular array. Providing one color will mean that all tabs are indicated with the same color.
*/
public void setSelectedIndicatorColors(int... colors) {
mTabStrip.setSelectedIndicatorColors(colors);
}
/**
* Sets the colors to be used for tab dividers. These colors are treated as a circular array.
* Providing one color will mean that all tabs are indicated with the same color.
*/
public void setDividerColors(int... colors) {
mTabStrip.setDividerColors(colors);
}
/**
* Set the {@link ViewPager.OnPageChangeListener}. When using {@link SlidingTabLayout} you are
* required to set any {@link ViewPager.OnPageChangeListener} through this method. This is so
* that the layout can update it's scroll position correctly.
*
* @see ViewPager#setOnPageChangeListener(ViewPager.OnPageChangeListener)
*/
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
mViewPagerPageChangeListener = listener;
}
/**
* Set the custom layout to be inflated for the tab views.
*
* @param layoutResId Layout id to be inflated
* @param textViewId id of the {@link TextView} in the inflated view
*/
public void setCustomTabView(int layoutResId, int textViewId) {
mTabViewLayoutId = layoutResId;
mTabViewTextViewId = textViewId;
}
/**
* Sets the associated view pager. Note that the assumption here is that the pager content
* (number of tabs and tab titles) does not change after this call has been made.
*/
public void setViewPager(ViewPager viewPager) {
mTabStrip.removeAllViews();
mViewPager = viewPager;
if (viewPager != null) {
viewPager.setOnPageChangeListener(new InternalViewPagerListener());
populateTabStrip();
}
}
/**
* Create a default view to be used for tabs. This is called if a custom tab view is not set via
* {@link #setCustomTabView(int, int)}.
*/
protected TextView createDefaultTabView(Context context) {
TextView textView = new TextView(context);
textView.setGravity(Gravity.CENTER);
textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, TAB_VIEW_TEXT_SIZE_SP);
textView.setTypeface(Typeface.DEFAULT_BOLD);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
// If we're running on Honeycomb or newer, then we can use the Theme's
// selectableItemBackground to ensure that the View has a pressed state
TypedValue outValue = new TypedValue();
getContext().getTheme().resolveAttribute(android.R.attr.selectableItemBackground,
outValue, true);
textView.setBackgroundResource(outValue.resourceId);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
// If we're running on ICS or newer, enable all-caps to match the Action Bar tab style
textView.setAllCaps(true);
}
int padding = (int) (TAB_VIEW_PADDING_DIPS * getResources().getDisplayMetrics().density);
textView.setPadding(padding, padding, padding, padding);
return textView;
}
private void populateTabStrip() {
final PagerAdapter adapter = mViewPager.getAdapter();
final View.OnClickListener tabClickListener = new TabClickListener();
for (int i = 0; i < adapter.getCount(); i++) {
View tabView = null;
TextView tabTitleView = null;
if (mTabViewLayoutId != 0) {
// If there is a custom tab view layout id set, try and inflate it
tabView = LayoutInflater.from(getContext()).inflate(mTabViewLayoutId, mTabStrip,
false);
tabTitleView = (TextView) tabView.findViewById(mTabViewTextViewId);
}
if (tabView == null) {
tabView = createDefaultTabView(getContext());
}
if (tabTitleView == null && TextView.class.isInstance(tabView)) {
tabTitleView = (TextView) tabView;
}
tabTitleView.setText(adapter.getPageTitle(i));
tabView.setOnClickListener(tabClickListener);
mTabStrip.addView(tabView);
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
if (mViewPager != null) {
scrollToTab(mViewPager.getCurrentItem(), 0);
}
}
private void scrollToTab(int tabIndex, int positionOffset) {
final int tabStripChildCount = mTabStrip.getChildCount();
if (tabStripChildCount == 0 || tabIndex < 0 || tabIndex >= tabStripChildCount) {
return;
}
View selectedChild = mTabStrip.getChildAt(tabIndex);
if (selectedChild != null) {
int targetScrollX = selectedChild.getLeft() + positionOffset;
if (tabIndex > 0 || positionOffset > 0) {
// If we're not at the first child and are mid-scroll, make sure we obey the offset
targetScrollX -= mTitleOffset;
}
scrollTo(targetScrollX, 0);
}
}
private class InternalViewPagerListener implements ViewPager.OnPageChangeListener {
private int mScrollState;
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
int tabStripChildCount = mTabStrip.getChildCount();
if ((tabStripChildCount == 0) || (position < 0) || (position >= tabStripChildCount)) {
return;
}
mTabStrip.onViewPagerPageChanged(position, positionOffset);
View selectedTitle = mTabStrip.getChildAt(position);
int extraOffset = (selectedTitle != null)
? (int) (positionOffset * selectedTitle.getWidth())
: 0;
scrollToTab(position, extraOffset);
if (mViewPagerPageChangeListener != null) {
mViewPagerPageChangeListener.onPageScrolled(position, positionOffset,
positionOffsetPixels);
}
}
@Override
public void onPageScrollStateChanged(int state) {
mScrollState = state;
if (mViewPagerPageChangeListener != null) {
mViewPagerPageChangeListener.onPageScrollStateChanged(state);
}
}
@Override
public void onPageSelected(int position) {
if (mScrollState == ViewPager.SCROLL_STATE_IDLE) {
mTabStrip.onViewPagerPageChanged(position, 0f);
scrollToTab(position, 0);
}
if (mViewPagerPageChangeListener != null) {
mViewPagerPageChangeListener.onPageSelected(position);
}
}
}
private class TabClickListener implements View.OnClickListener {
@Override
public void onClick(View v) {
for (int i = 0; i < mTabStrip.getChildCount(); i++) {
if (v == mTabStrip.getChildAt(i)) {
mViewPager.setCurrentItem(i);
return;
}
}
}
}
}

211
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SlidingTabStrip.java Normal file
View File

@@ -0,0 +1,211 @@
/*
* Copyright (C) 2013 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 org.sufficientlysecure.keychain.ui.widget;
import android.R;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.View;
import android.widget.LinearLayout;
/**
* Copied from http://developer.android.com/samples/SlidingTabsColors/index.html
*/
class SlidingTabStrip extends LinearLayout {
private static final int DEFAULT_BOTTOM_BORDER_THICKNESS_DIPS = 2;
private static final byte DEFAULT_BOTTOM_BORDER_COLOR_ALPHA = 0x26;
private static final int SELECTED_INDICATOR_THICKNESS_DIPS = 8;
private static final int DEFAULT_SELECTED_INDICATOR_COLOR = 0xFFAA66CC;
private static final int DEFAULT_DIVIDER_THICKNESS_DIPS = 1;
private static final byte DEFAULT_DIVIDER_COLOR_ALPHA = 0x20;
private static final float DEFAULT_DIVIDER_HEIGHT = 0.5f;
private final int mBottomBorderThickness;
private final Paint mBottomBorderPaint;
private final int mSelectedIndicatorThickness;
private final Paint mSelectedIndicatorPaint;
private final int mDefaultBottomBorderColor;
private final Paint mDividerPaint;
private final float mDividerHeight;
private int mSelectedPosition;
private float mSelectionOffset;
private SlidingTabLayout.TabColorizer mCustomTabColorizer;
private final SimpleTabColorizer mDefaultTabColorizer;
SlidingTabStrip(Context context) {
this(context, null);
}
SlidingTabStrip(Context context, AttributeSet attrs) {
super(context, attrs);
setWillNotDraw(false);
final float density = getResources().getDisplayMetrics().density;
TypedValue outValue = new TypedValue();
context.getTheme().resolveAttribute(R.attr.colorForeground, outValue, true);
final int themeForegroundColor = outValue.data;
mDefaultBottomBorderColor = setColorAlpha(themeForegroundColor,
DEFAULT_BOTTOM_BORDER_COLOR_ALPHA);
mDefaultTabColorizer = new SimpleTabColorizer();
mDefaultTabColorizer.setIndicatorColors(DEFAULT_SELECTED_INDICATOR_COLOR);
mDefaultTabColorizer.setDividerColors(setColorAlpha(themeForegroundColor,
DEFAULT_DIVIDER_COLOR_ALPHA));
mBottomBorderThickness = (int) (DEFAULT_BOTTOM_BORDER_THICKNESS_DIPS * density);
mBottomBorderPaint = new Paint();
mBottomBorderPaint.setColor(mDefaultBottomBorderColor);
mSelectedIndicatorThickness = (int) (SELECTED_INDICATOR_THICKNESS_DIPS * density);
mSelectedIndicatorPaint = new Paint();
mDividerHeight = DEFAULT_DIVIDER_HEIGHT;
mDividerPaint = new Paint();
mDividerPaint.setStrokeWidth((int) (DEFAULT_DIVIDER_THICKNESS_DIPS * density));
}
void setCustomTabColorizer(SlidingTabLayout.TabColorizer customTabColorizer) {
mCustomTabColorizer = customTabColorizer;
invalidate();
}
void setSelectedIndicatorColors(int... colors) {
// Make sure that the custom colorizer is removed
mCustomTabColorizer = null;
mDefaultTabColorizer.setIndicatorColors(colors);
invalidate();
}
void setDividerColors(int... colors) {
// Make sure that the custom colorizer is removed
mCustomTabColorizer = null;
mDefaultTabColorizer.setDividerColors(colors);
invalidate();
}
void onViewPagerPageChanged(int position, float positionOffset) {
mSelectedPosition = position;
mSelectionOffset = positionOffset;
invalidate();
}
@Override
protected void onDraw(Canvas canvas) {
final int height = getHeight();
final int childCount = getChildCount();
final int dividerHeightPx = (int) (Math.min(Math.max(0f, mDividerHeight), 1f) * height);
final SlidingTabLayout.TabColorizer tabColorizer = mCustomTabColorizer != null
? mCustomTabColorizer
: mDefaultTabColorizer;
// Thick colored underline below the current selection
if (childCount > 0) {
View selectedTitle = getChildAt(mSelectedPosition);
int left = selectedTitle.getLeft();
int right = selectedTitle.getRight();
int color = tabColorizer.getIndicatorColor(mSelectedPosition);
if (mSelectionOffset > 0f && mSelectedPosition < (getChildCount() - 1)) {
int nextColor = tabColorizer.getIndicatorColor(mSelectedPosition + 1);
if (color != nextColor) {
color = blendColors(nextColor, color, mSelectionOffset);
}
// Draw the selection partway between the tabs
View nextTitle = getChildAt(mSelectedPosition + 1);
left = (int) (mSelectionOffset * nextTitle.getLeft() +
(1.0f - mSelectionOffset) * left);
right = (int) (mSelectionOffset * nextTitle.getRight() +
(1.0f - mSelectionOffset) * right);
}
mSelectedIndicatorPaint.setColor(color);
canvas.drawRect(left, height - mSelectedIndicatorThickness, right,
height, mSelectedIndicatorPaint);
}
// Thin underline along the entire bottom edge
canvas.drawRect(0, height - mBottomBorderThickness, getWidth(), height, mBottomBorderPaint);
// Vertical separators between the titles
int separatorTop = (height - dividerHeightPx) / 2;
for (int i = 0; i < childCount - 1; i++) {
View child = getChildAt(i);
mDividerPaint.setColor(tabColorizer.getDividerColor(i));
canvas.drawLine(child.getRight(), separatorTop, child.getRight(),
separatorTop + dividerHeightPx, mDividerPaint);
}
}
/**
* Set the alpha value of the {@code color} to be the given {@code alpha} value.
*/
private static int setColorAlpha(int color, byte alpha) {
return Color.argb(alpha, Color.red(color), Color.green(color), Color.blue(color));
}
/**
* Blend {@code color1} and {@code color2} using the given ratio.
*
* @param ratio of which to blend. 1.0 will return {@code color1}, 0.5 will give an even blend,
* 0.0 will return {@code color2}.
*/
private static int blendColors(int color1, int color2, float ratio) {
final float inverseRation = 1f - ratio;
float r = (Color.red(color1) * ratio) + (Color.red(color2) * inverseRation);
float g = (Color.green(color1) * ratio) + (Color.green(color2) * inverseRation);
float b = (Color.blue(color1) * ratio) + (Color.blue(color2) * inverseRation);
return Color.rgb((int) r, (int) g, (int) b);
}
private static class SimpleTabColorizer implements SlidingTabLayout.TabColorizer {
private int[] mIndicatorColors;
private int[] mDividerColors;
@Override
public final int getIndicatorColor(int position) {
return mIndicatorColors[position % mIndicatorColors.length];
}
@Override
public final int getDividerColor(int position) {
return mDividerColors[position % mDividerColors.length];
}
void setIndicatorColors(int... colors) {
mIndicatorColors = colors;
}
void setDividerColors(int... colors) {
mDividerColors = colors;
}
}
}