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auto import from //depot/cupcake/@135843

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commit 931fd3728855b03bcab825ce10475d7447e9097a 1 parent 0664dd7
The Android Open Source Project authored
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10 Android.mk
@@ -0,0 +1,10 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := user development
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := HTMLViewer
+
+include $(BUILD_PACKAGE)
View
46 AndroidManifest.xml
@@ -0,0 +1,46 @@
+<!--
+/* //device/apps/Browser/AndroidManifest.xml
+**
+** Copyright 2006, 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.
+*/
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.htmlviewer">
+
+ <application android:label="HTML Viewer">
+ <activity android:name="HTMLViewerActivity" android:label="HTMLViewer"
+ android:theme="@android:style/Theme.Light" >
+ <intent-filter>
+ <category android:name="android.intent.category.DEFAULT" />
+ <action android:name="android.intent.action.VIEW" />
+ <data android:scheme="file" />
+ <data android:scheme="content" />
+ <data android:mimeType="text/html"/>
+ <data android:mimeType="text/plain"/>
+ <data android:mimeType="application/xhtml+xml"/>
+ <data android:mimeType="application/vnd.wap.xhtml+xml"/>
+ </intent-filter>
+ </activity>
+
+ <provider android:name="FileContentProvider"
+ android:authorities="com.android.htmlfileprovider"
+ android:syncable="false" android:multiprocess="false"
+ android:grantUriPermissions="true" />
+
+ </application>
+
+</manifest>
+
View
0  MODULE_LICENSE_APACHE2
No changes.
View
190 NOTICE
@@ -0,0 +1,190 @@
+
+ Copyright (c) 2005-2008, 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.
+
+ 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.
+
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
+ source, and configuration files.
+
+ "Object" form shall mean any form resulting from mechanical
+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
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+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
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+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
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+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
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+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
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+
+ 6. Trademarks. This License does not grant permission to use the trade
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
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+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
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+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
View
85 src/com/android/htmlviewer/FileContentProvider.java
@@ -0,0 +1,85 @@
+/**
+ * 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 java.io.FileNotFoundException;
+import java.io.File;
+import java.lang.UnsupportedOperationException;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.ParcelFileDescriptor;
+
+/**
+ * WebView does not support file: loading. This class wraps a file load
+ * with a content provider.
+ * As HTMLViewer does not have internet access nor does it allow
+ * Javascript to be run, it is safe to load file based HTML content.
+*/
+public class FileContentProvider extends ContentProvider {
+
+ public static final String BASE_URI =
+ "content://com.android.htmlfileprovider";
+ public static final int BASE_URI_LEN = BASE_URI.length();
+
+ @Override
+ public String getType(Uri uri) {
+ // If the mimetype is not appended to the uri, then return an empty string
+ String mimetype = uri.getQuery();
+ return mimetype == null ? "" : mimetype;
+ }
+
+ @Override
+ public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
+ if (!"r".equals(mode)) {
+ throw new FileNotFoundException("Bad mode for " + uri + ": " + mode);
+ }
+ String filename = uri.toString().substring(BASE_URI_LEN);
+ return ParcelFileDescriptor.open(new File(filename),
+ ParcelFileDescriptor.MODE_READ_ONLY);
+ }
+
+ @Override
+ public int delete(Uri uri, String selection, String[] selectionArgs) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Uri insert(Uri uri, ContentValues values) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean onCreate() {
+ return true;
+ }
+
+ @Override
+ public Cursor query(Uri uri, String[] projection, String selection,
+ String[] selectionArgs, String sortOrder) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public int update(Uri uri, ContentValues values, String selection,
+ String[] selectionArgs) {
+ throw new UnsupportedOperationException();
+ }
+
+}
View
164 src/com/android/htmlviewer/HTMLViewerActivity.java
@@ -0,0 +1,164 @@
+/*
+ * 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.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.Window;
+import android.webkit.CookieSyncManager;
+import android.webkit.WebChromeClient;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Wraps a WebView widget within an Activity. When launched, it uses the
+ * URI from the intent as the URL to load into the WebView.
+ * It supports all URLs schemes that a standard WebView supports, as well as
+ * loading the top level markup using the file scheme.
+ * The WebView default settings are used with the exception of normal layout
+ * is set.
+ * This activity shows a loading progress bar in the window title and sets
+ * the window title to the title of the content.
+ *
+ */
+public class HTMLViewerActivity extends Activity {
+
+ /*
+ * The WebView that is placed in this Activity
+ */
+ private WebView mWebView;
+
+ /*
+ * As the file content is loaded completely into RAM first, set
+ * a limitation on the file size so we don't use too much RAM. If someone
+ * wants to load content that is larger than this, then a content
+ * provider should be used.
+ */
+ static final int MAXFILESIZE = 8096;
+
+ static final String LOGTAG = "HTMLViewerActivity";
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ // Call createInstance() explicitly. createInstance() is called in
+ // BrowserFrame by WebView. As it is called in WebCore thread, it can
+ // happen after onResume() is called. To use getInstance() in onResume,
+ // createInstance() needs to be called first.
+ CookieSyncManager.createInstance(this);
+
+ requestWindowFeature(Window.FEATURE_PROGRESS);
+
+ mWebView = new WebView(this);
+ setContentView(mWebView);
+
+ // Setup callback support for title and progress bar
+ mWebView.setWebChromeClient( new WebChrome() );
+
+ // Configure the webview
+ WebSettings s = mWebView.getSettings();
+ s.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
+ s.setUseWideViewPort(true);
+ s.setSavePassword(false);
+ s.setSaveFormData(false);
+ s.setBlockNetworkLoads(true);
+
+ // Javascript is purposely disabled, so that nothing can be
+ // automatically run.
+ s.setJavaScriptEnabled(false);
+
+ // Restore a webview if we are meant to restore
+ if (savedInstanceState != null) {
+ mWebView.restoreState(savedInstanceState);
+ } else {
+ // Check the intent for the content to view
+ Intent intent = getIntent();
+ if (intent.getData() != null) {
+ Uri uri = intent.getData();
+ if ("file".equals(uri.getScheme())) {
+ String contentUri =
+ FileContentProvider.BASE_URI +
+ uri.getEncodedPath() +
+ "?" +
+ intent.getType();
+ mWebView.loadUrl(contentUri);
+ } else {
+ mWebView.loadUrl(intent.getData().toString() +
+ "?" + intent.getType());
+ }
+ }
+ }
+ }
+
+ @Override
+ protected void onResume() {
+ super.onResume();
+ CookieSyncManager.getInstance().startSync();
+ }
+
+ @Override
+ protected void onSaveInstanceState(Bundle outState) {
+ // the default implementation requires each view to have an id. As the
+ // browser handles the state itself and it doesn't use id for the views,
+ // don't call the default implementation. Otherwise it will trigger the
+ // warning like this, "couldn't save which view has focus because the
+ // focused view XXX has no id".
+ mWebView.saveState(outState);
+ }
+
+ @Override
+ protected void onStop() {
+ super.onStop();
+
+ CookieSyncManager.getInstance().stopSync();
+ mWebView.stopLoading();
+ }
+
+ @Override
+ protected void onDestroy() {
+ super.onDestroy();
+ mWebView.destroy();
+ }
+
+ class WebChrome extends WebChromeClient {
+
+ @Override
+ public void onReceivedTitle(WebView view, String title) {
+ HTMLViewerActivity.this.setTitle(title);
+ }
+
+ @Override
+ public void onProgressChanged(WebView view, int newProgress) {
+ getWindow().setFeatureInt(
+ Window.FEATURE_PROGRESS, newProgress*100);
+ if (newProgress == 100) {
+ CookieSyncManager.getInstance().sync();
+ }
+ }
+ }
+
+}
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