HTMLViewer: Added custom viewer for legalese

Change-Id: Ia6f2aeb5d30b327c0d9758c701a26f88b4d75717

4 files changed, 198 insertions, 1 deletions

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 9a2ccd0..3b06ecf 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -22,6 +22,11 @@
     <original-package android:name="com.android.htmlviewer" />
 
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <permission
+        android:name="cyanogenmod.permission.LEGALESE"
+        android:protectionLevel="signatureOrSystem"/>
 
     <application android:label="@string/app_label">
         <activity android:name="HTMLViewerActivity"
@@ -37,6 +42,17 @@
                 <data android:mimeType="application/xhtml+xml"/>
                 <data android:mimeType="application/vnd.wap.xhtml+xml"/>
             </intent-filter>
-         </activity>
+        </activity>
+        <activity android:name="com.android.htmlviewer.ExternalLegalViewerActivity"
+                  android:permission="cyanogenmod.permission.LEGALESE"
+                  android:theme="@style/Theme.Legal"
+                  android:exported="true">
+            <intent-filter>
+                <category android:name="android.intent.category.DEFAULT" />
+                <action android:name="cyanogenmod.intent.action.LEGALESE" />
+                <data android:scheme="http" />
+                <data android:scheme="https" />
+            </intent-filter>
+        </activity>
     </application>
 </manifest>
diff --git a/res/layout/legal.xml b/res/layout/legal.xml
new file mode 100644
index 0000000..0b62f87
--- /dev/null
+++ b/res/layout/legal.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 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.
+-->
+
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+             android:layout_width="match_parent"
+             android:layout_height="match_parent"
+             android:background="@*android:color/white">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+        <WebView
+            android:id="@+id/webview"
+            android:layout_width="match_parent"
+            android:layout_height="0px"
+            android:layout_weight="1"/>
+        <Button
+            android:id="@+id/dismiss"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="@android:style/Widget.Material.Light.ActionButton"
+            android:text="@android:string/ok"/>
+    </LinearLayout>
+
+    <ProgressBar
+        android:id="@+id/loading"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true"
+        style="?android:attr/progressBarStyle" />
+
+</FrameLayout>
diff --git a/res/values/styles.xml b/res/values/styles.xml
new file mode 100644
index 0000000..34b3ec5
--- /dev/null
+++ b/res/values/styles.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2013 The CyanogenMod 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.
+-->
+<resources>
+    <style name="Theme.Legal" parent="@android:style/Theme.Material.Light">
+        <item name="android:windowActionBar">false</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowBackground">@android:color/white</item>
+    </style>
+</resources>
diff --git a/src/com/android/htmlviewer/ExternalLegalViewerActivity.java b/src/com/android/htmlviewer/ExternalLegalViewerActivity.java
new file mode 100644
index 0000000..31b6d0a
--- /dev/null
+++ b/src/com/android/htmlviewer/ExternalLegalViewerActivity.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2008 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.htmlviewer;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.webkit.WebResourceRequest;
+import android.webkit.WebResourceResponse;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.zip.GZIPInputStream;
+
+/**
+ * Simple activity that shows the requested HTML page.
+ */
+public class ExternalLegalViewerActivity extends Activity {
+    private static final String TAG = "ExternalLegalViewerActivity";
+
+    private WebView mWebView;
+    private View mLoading;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.legal);
+
+        findViewById(R.id.dismiss).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                finish();
+            }
+        });
+
+        mWebView = (WebView) findViewById(R.id.webview);
+        mLoading = findViewById(R.id.loading);
+
+        mWebView.setWebViewClient(new ViewClient());
+
+        WebSettings s = mWebView.getSettings();
+        s.setUseWideViewPort(true);
+        s.setSupportZoom(true);
+        s.setBuiltInZoomControls(true);
+        s.setDisplayZoomControls(false);
+        s.setSavePassword(false);
+        s.setSaveFormData(false);
+
+        s.setDefaultTextEncodingName("utf-8");
+
+        final Intent intent = getIntent();
+
+        mWebView.loadUrl(String.valueOf(intent.getData()));
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mWebView.destroy();
+    }
+
+    private class ViewClient extends WebViewClient {
+        @Override
+        public void onPageFinished(WebView view, String url) {
+            mLoading.setVisibility(View.GONE);
+        }
+
+        @Override
+        public WebResourceResponse shouldInterceptRequest(WebView view,
+                WebResourceRequest request) {
+            final Uri uri = request.getUrl();
+            if (ContentResolver.SCHEME_FILE.equals(uri.getScheme())
+                    && uri.getPath().endsWith(".gz")) {
+                Log.d(TAG, "Trying to decompress " + uri + " on the fly");
+                try {
+                    final InputStream in = new GZIPInputStream(
+                            getContentResolver().openInputStream(uri));
+                    final WebResourceResponse resp = new WebResourceResponse(
+                            getIntent().getType(), "utf-8", in);
+                    resp.setStatusCodeAndReasonPhrase(200, "OK");
+                    return resp;
+                } catch (IOException e) {
+                    Log.w(TAG, "Failed to decompress; falling back", e);
+                }
+            }
+            return null;
+        }
+    }
+}