implement chrome custom tabs

org.fox.ttrss/build.gradle

@@ -6,7 +6,7 @@ android {
 
     defaultConfig {
         applicationId "org.fox.ttrss"
-        minSdkVersion 15
+        minSdkVersion 16
         targetSdkVersion 23
     }
 
@@ -39,6 +39,7 @@ dependencies {
     compile 'me.relex:circleindicator:1.1.1@aar'
     compile 'com.viewpagerindicator:library:2.4.1'
     compile 'com.nhaarman.listviewanimations:lib-core:3.1.0@aar'
+    compile 'com.android.support:customtabs:23.0.0'
     compile files('libs/nineoldandroids-2.4.0.jar')
     compile files('libs/YouTubeAndroidPlayerApi.jar')
 }

org.fox.ttrss/src/main/AndroidManifest.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.fox.ttrss"
-    android:versionCode="381"
+    android:versionCode="382"
-    android:versionName="1.153" >
+    android:versionName="1.154" >
 
     <uses-sdk
-        android:minSdkVersion="15"
+        android:minSdkVersion="16"
         android:targetSdkVersion="23" />
 
     <uses-permission android:name="android.permission.INTERNET" />

org.fox.ttrss/src/main/java/org/fox/ttrss/ArticleFragment.java

@@ -226,8 +226,9 @@ public class ArticleFragment extends Fragment  {
                             URL url = new URL(m_article.link.trim());
                             String uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(),
                                     url.getPort(), url.getPath(), url.getQuery(), url.getRef()).toString();
-                            Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
+
-                            startActivity(intent);
+                            m_activity.openUri(Uri.parse(uri));
+
                         } catch (Exception e) {
                             e.printStackTrace();
                             m_activity.toast(R.string.error_other_error);
@@ -264,8 +265,8 @@ public class ArticleFragment extends Fragment  {
                         URL url = new URL(m_article.link.trim());
                         String uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(),
                                 url.getPort(), url.getPath(), url.getQuery(), url.getRef()).toString();
-                        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
+
-                        startActivity(intent);
+                        m_activity.openUri(Uri.parse(uri));
                     } catch (Exception e) {
                         e.printStackTrace();
                         m_activity.toast(R.string.error_other_error);
@@ -304,9 +305,8 @@ public class ArticleFragment extends Fragment  {
                                     m_article.comments_link : m_article.link);
                             String uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(),
                                     url.getPort(), url.getPath(), url.getQuery(), url.getRef()).toString();
-                            Intent intent = new Intent(Intent.ACTION_VIEW,
+
-                                    Uri.parse(uri));
+                            m_activity.openUri(Uri.parse(uri));
-                            startActivity(intent);
                         } catch (Exception e) {
                             e.printStackTrace();
                             m_activity.toast(R.string.error_other_error);
@@ -389,8 +389,7 @@ public class ArticleFragment extends Fragment  {
         @Override
         public boolean shouldOverrideUrlLoading(WebView view, String url) {
             try {
-                Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
+                m_activity.openUri(Uri.parse(url));
-                startActivity(intent);
 
                 return true;
 

org.fox.ttrss/src/main/java/org/fox/ttrss/ArticleImagesPagerActivity.java

@@ -387,9 +387,7 @@ public class ArticleImagesPagerActivity extends CommonActivity implements Gestur
             case R.id.article_img_open:
                 if (url != null) {
                     try {
-                        Intent intent = new Intent(Intent.ACTION_VIEW,
+                        openUri(Uri.parse(url));
-                                Uri.parse(url));
-                        startActivity(intent);
                     } catch (Exception e) {
                         e.printStackTrace();
                         toast(R.string.error_other_error);

org.fox.ttrss/src/main/java/org/fox/ttrss/CommonActivity.java

@@ -2,13 +2,23 @@ package org.fox.ttrss;
 
 
 import android.annotation.SuppressLint;
+import android.app.PendingIntent;
+import android.content.ComponentName;
+import android.content.Intent;
 import android.content.SharedPreferences;
 import android.database.sqlite.SQLiteDatabase;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
+import android.support.customtabs.CustomTabsCallback;
+import android.support.customtabs.CustomTabsClient;
+import android.support.customtabs.CustomTabsIntent;
+import android.support.customtabs.CustomTabsServiceConnection;
+import android.support.customtabs.CustomTabsSession;
 import android.support.v7.app.ActionBarActivity;
-import android.util.DisplayMetrics;
 import android.util.Log;
+import android.util.TypedValue;
 import android.view.Display;
 import android.widget.Toast;
 
@@ -42,6 +52,21 @@ public class CommonActivity extends ActionBarActivity implements SharedPreferenc
 	private String m_theme;
 	private boolean m_needRestart;
 
+	protected CustomTabsClient m_customTabClient;
+	protected CustomTabsServiceConnection m_customTabServiceConnection = new CustomTabsServiceConnection() {
+		@Override
+		public void onCustomTabsServiceConnected(ComponentName componentName, CustomTabsClient customTabsClient) {
+			m_customTabClient = customTabsClient;
+
+			m_customTabClient.warmup(0);
+		}
+
+		@Override
+		public void onServiceDisconnected(ComponentName componentName) {
+			m_customTabClient = null;
+		}
+	};
+
 	protected SharedPreferences m_prefs;
 
 	protected void setSmallScreen(boolean smallScreen) {
@@ -96,6 +121,11 @@ public class CommonActivity extends ActionBarActivity implements SharedPreferenc
 
 	@Override
 	public void onDestroy() {
+
+		if (m_customTabServiceConnection != null) {
+			unbindService(m_customTabServiceConnection);
+		}
+
 		super.onDestroy();
 	}
 
@@ -114,6 +144,8 @@ public class CommonActivity extends ActionBarActivity implements SharedPreferenc
 			m_theme = m_prefs.getString("theme", CommonActivity.THEME_DEFAULT);
 		}
 
+		CustomTabsClient.bindCustomTabsService(this, "com.android.chrome", m_customTabServiceConnection);
+
 		super.onCreate(savedInstanceState);
 	}
 
@@ -172,5 +204,48 @@ public class CommonActivity extends ActionBarActivity implements SharedPreferenc
 		m_needRestart = Arrays.asList(filter).indexOf(key) != -1;
 	}
 
+	private CustomTabsSession getCustomTabSession() {
+		return m_customTabClient.newSession(new CustomTabsCallback() {
+			@Override
+			public void onNavigationEvent(int navigationEvent, Bundle extras) {
+				super.onNavigationEvent(navigationEvent, extras);
+			}
+		});
+	}
+
+	// uses chrome custom tabs when available
+	public void openUri(Uri uri) {
+		if (m_customTabClient != null) {
+
+			TypedValue tvBackground = new TypedValue();
+			getTheme().resolveAttribute(R.attr.colorPrimary, tvBackground, true);
+
+			CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder(getCustomTabSession());
+
+			builder.setStartAnimations(this, R.anim.slide_in_right, R.anim.slide_out_left);
+			builder.setExitAnimations(this, R.anim.slide_in_left, R.anim.slide_out_right);
+
+			builder.setToolbarColor(tvBackground.data);
+
+			Intent shareIntent = new Intent(Intent.ACTION_SEND);
+			shareIntent.setType("text/plain");
+			shareIntent.putExtra(Intent.EXTRA_SUBJECT, uri.toString());
+			shareIntent.putExtra(Intent.EXTRA_TEXT, uri.toString());
+
+			PendingIntent pendingIntent = PendingIntent.getActivity(getApplicationContext(), 0, shareIntent, 0);
+
+			builder.setActionButton(BitmapFactory.decodeResource(getResources(), R.drawable.ic_share),
+					getString(R.string.share_article), pendingIntent);
+
+			CustomTabsIntent intent = builder.build();
+
+			intent.launchUrl(this, uri);
+		} else {
+			Intent intent = new Intent(Intent.ACTION_VIEW, uri);
+
+			startActivity(intent);
+		}
+	}
+
 }
 

org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java

@@ -185,8 +185,7 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
 				Article article = getArticleAtPosition(info.position);
 			
 				if (article != null) {
-					Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(article.link));
+					m_activity.openUri(Uri.parse(article.link));
-					startActivity(browserIntent);
 
 					if (article.unread) {
 						article.unread = false;
@@ -1255,9 +1254,7 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
 
 					startActivity(intent);
 				} else {
-					Intent intent = new Intent(Intent.ACTION_VIEW,
+					m_activity.openUri(Uri.parse(article.flavorStreamUri));
-							Uri.parse(article.flavorStreamUri));
-					startActivity(intent);
 				}
 
 			} else if ("video".equals(article.flavorImage.tagName().toLowerCase())) {

org.fox.ttrss/src/main/java/org/fox/ttrss/OnlineActivity.java

@@ -532,9 +532,7 @@ public class OnlineActivity extends CommonActivity {
 		case R.id.article_img_open:
 			if (getLastContentImageHitTestUrl() != null) {
 				try {
-					Intent intent = new Intent(Intent.ACTION_VIEW, 
+					openUri(Uri.parse(getLastContentImageHitTestUrl()));
-							Uri.parse(getLastContentImageHitTestUrl()));
-					startActivity(intent);
 				} catch (Exception e) {
 					e.printStackTrace();
 					toast(R.string.error_other_error);
@@ -658,8 +656,7 @@ public class OnlineActivity extends CommonActivity {
 								public void onClick(DialogInterface dialog, int id) {
 									int selectedPosition = ((AlertDialog)dialog).getListView().getCheckedItemPosition();
 									
-									Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse((String)itemUrls[selectedPosition]));
+									openUri(Uri.parse((String)itemUrls[selectedPosition]));
-									startActivity(browserIntent);
 
 									dialog.cancel();
 								}

org.fox.ttrss/src/main/java/org/fox/ttrss/VideoPlayerActivity.java

@@ -229,9 +229,7 @@ public class VideoPlayerActivity extends CommonActivity {
             case R.id.article_vid_open:
                 if (m_streamUri != null) {
                     try {
-                        Intent intent = new Intent(Intent.ACTION_VIEW,
+                        openUri(Uri.parse(m_streamUri));
-                                Uri.parse(m_streamUri));
-                        startActivity(intent);
                     } catch (Exception e) {
                         e.printStackTrace();
                         toast(R.string.error_other_error);

org.fox.ttrss/src/main/java/org/fox/ttrss/YoutubePlayerActivity.java

@@ -103,9 +103,7 @@ public class YoutubePlayerActivity extends CommonActivity implements YouTubePlay
             case R.id.article_vid_open:
                 if (m_streamUri != null) {
                     try {
-                        Intent intent = new Intent(Intent.ACTION_VIEW,
+                        openUri(Uri.parse(m_streamUri));
-                                Uri.parse(m_streamUri));
-                        startActivity(intent);
                     } catch (Exception e) {
                         e.printStackTrace();
                         toast(R.string.error_other_error);

org.fox.ttrss/src/main/java/org/fox/ttrss/offline/OfflineActivity.java

@@ -83,9 +83,7 @@ public class OfflineActivity extends CommonActivity {
 		case R.id.article_img_open:
 			if (getLastContentImageHitTestUrl() != null) {
 				try {
-					Intent intent = new Intent(Intent.ACTION_VIEW, 
+					openUri(Uri.parse(getLastContentImageHitTestUrl()));
-							Uri.parse(getLastContentImageHitTestUrl()));
-					startActivity(intent);
 				} catch (Exception e) {
 					e.printStackTrace();
 					toast(R.string.error_other_error);

org.fox.ttrss/src/main/java/org/fox/ttrss/offline/OfflineArticleFragment.java

@@ -168,8 +168,8 @@ public class OfflineArticleFragment extends Fragment {
                                 URL url = new URL(link.trim());
                                 String uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(),
                                         url.getPort(), url.getPath(), url.getQuery(), url.getRef()).toString();
-                                Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
+
-                                startActivity(intent);
+								m_activity.openUri(Uri.parse(uri));
                             } catch (Exception e) {
                                 e.printStackTrace();
                                 m_activity.toast(R.string.error_other_error);
@@ -206,8 +206,8 @@ public class OfflineArticleFragment extends Fragment {
 							URL url = new URL(link.trim());
 							String uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(),
 								url.getPort(), url.getPath(), url.getQuery(), url.getRef()).toString();
-							Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
+
-							startActivity(intent);
+							m_activity.openUri(Uri.parse(uri));
 						} catch (Exception e) {
 							e.printStackTrace();
 							m_activity.toast(R.string.error_other_error);
@@ -250,8 +250,7 @@ public class OfflineArticleFragment extends Fragment {
 					@Override
 					public boolean shouldOverrideUrlLoading(WebView view, String url) {
 						try {
-							Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
+							m_activity.openUri(Uri.parse(url));
-							startActivity(intent);
 
 							return true;
 

org.fox.ttrss/src/main/res/anim/slide_in_left.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/res/anim/slide_in_left.xml
+**
+** Copyright 2007, Google Inc.
+**
+** 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.
+*/
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+	<translate android:fromXDelta="-50%p" android:toXDelta="0" android:duration="200"/>
+	<alpha android:fromAlpha="0.0" android:toAlpha="1.0" android:duration="200" />
+</set>

org.fox.ttrss/src/main/res/anim/slide_in_right.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/res/anim/slide_in_right.xml
+**
+** Copyright 2007, Google Inc.
+**
+** 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.
+*/
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+	<translate android:fromXDelta="50%p" android:toXDelta="0" android:duration="200"/>
+	<alpha android:fromAlpha="0.0" android:toAlpha="1.0" android:duration="200" />
+</set>

org.fox.ttrss/src/main/res/anim/slide_out_left.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/res/anim/slide_out_left.xml
+**
+** Copyright 2007, Google Inc.
+**
+** 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.
+*/
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+	<translate android:fromXDelta="0" android:toXDelta="-50%p" android:duration="200"/>
+	<alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="200" />
+</set>

org.fox.ttrss/src/main/res/anim/slide_out_right.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/res/anim/slide_out_right.xml
+**
+** Copyright 2007, Google Inc.
+**
+** 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.
+*/
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+	<translate android:fromXDelta="0" android:toXDelta="50%p" android:duration="200"/>
+	<alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="200" />
+</set>