diff options
-rw-r--r-- | core/java/android/webkit/CallbackProxy.java | 243 | ||||
-rw-r--r-- | core/java/android/webkit/JsDialogHelper.java | 185 | ||||
-rw-r--r-- | core/res/res/values/strings.xml | 11 | ||||
-rw-r--r-- | core/res/res/values/symbols.xml | 3 |
4 files changed, 213 insertions, 229 deletions
diff --git a/core/java/android/webkit/CallbackProxy.java b/core/java/android/webkit/CallbackProxy.java index a326da2..312af71 100644 --- a/core/java/android/webkit/CallbackProxy.java +++ b/core/java/android/webkit/CallbackProxy.java @@ -17,10 +17,8 @@ package android.webkit; import android.app.Activity; -import android.app.AlertDialog; import android.content.ActivityNotFoundException; import android.content.Context; -import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.net.Uri; @@ -33,10 +31,6 @@ import android.os.SystemClock; import android.provider.Browser; import android.util.Log; import android.view.KeyEvent; -import android.view.LayoutInflater; -import android.view.View; -import android.widget.EditText; -import android.widget.TextView; import com.android.internal.R; import java.net.MalformedURLException; @@ -92,10 +86,7 @@ class CallbackProxy extends Handler { private static final int CREATE_WINDOW = 109; private static final int CLOSE_WINDOW = 110; private static final int SAVE_PASSWORD = 111; - private static final int JS_ALERT = 112; - private static final int JS_CONFIRM = 113; - private static final int JS_PROMPT = 114; - private static final int JS_UNLOAD = 115; + private static final int JS_DIALOG = 112; private static final int ASYNC_KEYEVENTS = 116; private static final int DOWNLOAD_FILE = 118; private static final int REPORT_ERROR = 119; @@ -566,188 +557,12 @@ class CallbackProxy extends Handler { } break; - case JS_ALERT: + case JS_DIALOG: if (mWebChromeClient != null) { final JsResultReceiver receiver = (JsResultReceiver) msg.obj; - final JsResult res = receiver.mJsResult; - String message = msg.getData().getString("message"); - String url = msg.getData().getString("url"); - if (!mWebChromeClient.onJsAlert(mWebView.getWebView(), url, message, - res)) { - if (!canShowAlertDialog()) { - res.cancel(); - receiver.setReady(); - break; - } - new AlertDialog.Builder(mContext) - .setTitle(getJsDialogTitle(url)) - .setMessage(message) - .setPositiveButton(R.string.ok, - new DialogInterface.OnClickListener() { - public void onClick( - DialogInterface dialog, - int which) { - res.confirm(); - } - }) - .setOnCancelListener( - new DialogInterface.OnCancelListener() { - public void onCancel( - DialogInterface dialog) { - res.cancel(); - } - }) - .show(); - } - receiver.setReady(); - } - break; - - case JS_CONFIRM: - if (mWebChromeClient != null) { - final JsResultReceiver receiver = (JsResultReceiver) msg.obj; - final JsResult res = receiver.mJsResult; - String message = msg.getData().getString("message"); - String url = msg.getData().getString("url"); - if (!mWebChromeClient.onJsConfirm(mWebView.getWebView(), url, message, - res)) { - if (!canShowAlertDialog()) { - res.cancel(); - receiver.setReady(); - break; - } - new AlertDialog.Builder(mContext) - .setTitle(getJsDialogTitle(url)) - .setMessage(message) - .setPositiveButton(R.string.ok, - new DialogInterface.OnClickListener() { - public void onClick( - DialogInterface dialog, - int which) { - res.confirm(); - }}) - .setNegativeButton(R.string.cancel, - new DialogInterface.OnClickListener() { - public void onClick( - DialogInterface dialog, - int which) { - res.cancel(); - }}) - .setOnCancelListener( - new DialogInterface.OnCancelListener() { - public void onCancel( - DialogInterface dialog) { - res.cancel(); - } - }) - .show(); - } - // Tell the JsResult that it is ready for client - // interaction. - receiver.setReady(); - } - break; - - case JS_PROMPT: - if (mWebChromeClient != null) { - final JsResultReceiver receiver = (JsResultReceiver) msg.obj; - final JsPromptResult res = receiver.mJsResult; - String message = msg.getData().getString("message"); - String defaultVal = msg.getData().getString("default"); - String url = msg.getData().getString("url"); - if (!mWebChromeClient.onJsPrompt(mWebView.getWebView(), url, message, - defaultVal, res)) { - if (!canShowAlertDialog()) { - res.cancel(); - receiver.setReady(); - break; - } - final LayoutInflater factory = LayoutInflater - .from(mContext); - final View view = factory.inflate(R.layout.js_prompt, - null); - final EditText v = (EditText) view - .findViewById(R.id.value); - v.setText(defaultVal); - ((TextView) view.findViewById(R.id.message)) - .setText(message); - new AlertDialog.Builder(mContext) - .setTitle(getJsDialogTitle(url)) - .setView(view) - .setPositiveButton(R.string.ok, - new DialogInterface.OnClickListener() { - public void onClick( - DialogInterface dialog, - int whichButton) { - res.confirm(v.getText() - .toString()); - } - }) - .setNegativeButton(R.string.cancel, - new DialogInterface.OnClickListener() { - public void onClick( - DialogInterface dialog, - int whichButton) { - res.cancel(); - } - }) - .setOnCancelListener( - new DialogInterface.OnCancelListener() { - public void onCancel( - DialogInterface dialog) { - res.cancel(); - } - }) - .show(); - } - // Tell the JsResult that it is ready for client - // interaction. - receiver.setReady(); - } - break; - - case JS_UNLOAD: - if (mWebChromeClient != null) { - final JsResultReceiver receiver = (JsResultReceiver) msg.obj; - final JsResult res = receiver.mJsResult; - String message = msg.getData().getString("message"); - String url = msg.getData().getString("url"); - if (!mWebChromeClient.onJsBeforeUnload(mWebView.getWebView(), url, - message, res)) { - if (!canShowAlertDialog()) { - res.cancel(); - receiver.setReady(); - break; - } - final String m = mContext.getString( - R.string.js_dialog_before_unload, message); - new AlertDialog.Builder(mContext) - .setMessage(m) - .setPositiveButton(R.string.ok, - new DialogInterface.OnClickListener() { - public void onClick( - DialogInterface dialog, - int which) { - res.confirm(); - } - }) - .setNegativeButton(R.string.cancel, - new DialogInterface.OnClickListener() { - public void onClick( - DialogInterface dialog, - int which) { - res.cancel(); - } - }) - .setOnCancelListener( - new DialogInterface.OnCancelListener() { - @Override - public void onCancel( - DialogInterface dialog) { - res.cancel(); - } - }) - .show(); + JsDialogHelper helper = new JsDialogHelper(receiver.mJsResult, msg); + if (!helper.invokeCallback(mWebChromeClient, mWebView.getWebView())) { + helper.showDialog(mContext); } receiver.setReady(); } @@ -757,7 +572,7 @@ class CallbackProxy extends Handler { if(mWebChromeClient != null) { final JsResultReceiver receiver = (JsResultReceiver) msg.obj; final JsResult res = receiver.mJsResult; - if(mWebChromeClient.onJsTimeout()) { + if (mWebChromeClient.onJsTimeout()) { res.confirm(); } else { res.cancel(); @@ -895,24 +710,6 @@ class CallbackProxy extends Handler { sendMessage(obtainMessage(SWITCH_OUT_HISTORY)); } - private String getJsDialogTitle(String url) { - String title = url; - if (URLUtil.isDataUrl(url)) { - // For data: urls, we just display 'JavaScript' similar to Safari. - title = mContext.getString(R.string.js_dialog_title_default); - } else { - try { - URL aUrl = new URL(url); - // For example: "The page at 'http://www.mit.edu' says:" - title = mContext.getString(R.string.js_dialog_title, - aUrl.getProtocol() + "://" + aUrl.getHost()); - } catch (MalformedURLException ex) { - // do nothing. just use the url as the title - } - } - return title; - } - //-------------------------------------------------------------------------- // WebViewClient functions. // NOTE: shouldOverrideKeyEvent is never called from the WebCore thread so @@ -1332,9 +1129,10 @@ class CallbackProxy extends Handler { return; } JsResultReceiver result = new JsResultReceiver(); - Message alert = obtainMessage(JS_ALERT, result); + Message alert = obtainMessage(JS_DIALOG, result); alert.getData().putString("message", message); alert.getData().putString("url", url); + alert.getData().putInt("type", JsDialogHelper.ALERT); sendMessageToUiThreadSync(alert); } @@ -1345,9 +1143,10 @@ class CallbackProxy extends Handler { return false; } JsResultReceiver result = new JsResultReceiver(); - Message confirm = obtainMessage(JS_CONFIRM, result); + Message confirm = obtainMessage(JS_DIALOG, result); confirm.getData().putString("message", message); confirm.getData().putString("url", url); + confirm.getData().putInt("type", JsDialogHelper.CONFIRM); sendMessageToUiThreadSync(confirm); return result.mJsResult.getResult(); } @@ -1359,10 +1158,11 @@ class CallbackProxy extends Handler { return null; } JsResultReceiver result = new JsResultReceiver(); - Message prompt = obtainMessage(JS_PROMPT, result); + Message prompt = obtainMessage(JS_DIALOG, result); prompt.getData().putString("message", message); prompt.getData().putString("default", defaultValue); prompt.getData().putString("url", url); + prompt.getData().putInt("type", JsDialogHelper.PROMPT); sendMessageToUiThreadSync(prompt); return result.mJsResult.getStringResult(); } @@ -1374,10 +1174,11 @@ class CallbackProxy extends Handler { return true; } JsResultReceiver result = new JsResultReceiver(); - Message confirm = obtainMessage(JS_UNLOAD, result); - confirm.getData().putString("message", message); - confirm.getData().putString("url", url); - sendMessageToUiThreadSync(confirm); + Message unload = obtainMessage(JS_DIALOG, result); + unload.getData().putString("message", message); + unload.getData().putString("url", url); + unload.getData().putInt("type", JsDialogHelper.UNLOAD); + sendMessageToUiThreadSync(unload); return result.mJsResult.getResult(); } @@ -1595,16 +1396,6 @@ class CallbackProxy extends Handler { sendMessage(msg); } - boolean canShowAlertDialog() { - // We can only display the alert dialog if mContext is - // an Activity context. - // FIXME: Should we display dialogs if mContext does - // not have the window focus (e.g. if the user is viewing - // another Activity when the alert should be displayed? - // See bug 3166409 - return mContext instanceof Activity; - } - private synchronized void sendMessageToUiThreadSync(Message msg) { sendMessage(msg); WebCoreThreadWatchdog.pause(); diff --git a/core/java/android/webkit/JsDialogHelper.java b/core/java/android/webkit/JsDialogHelper.java new file mode 100644 index 0000000..bb0339e --- /dev/null +++ b/core/java/android/webkit/JsDialogHelper.java @@ -0,0 +1,185 @@ +/* + * 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 android.webkit; + +import android.app.Activity; +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.os.Message; +import android.util.Log; +import android.view.LayoutInflater; +import android.view.View; +import android.widget.EditText; +import android.widget.TextView; + +import java.net.MalformedURLException; +import java.net.URL; + +/** + * Helper class to create JavaScript dialogs. It is used by + * different WebView implementations. + * + * @hide Helper class for internal use + */ +public class JsDialogHelper { + + private static final String TAG = "JsDialogHelper"; + + // Dialog types + public static final int ALERT = 1; + public static final int CONFIRM = 2; + public static final int PROMPT = 3; + public static final int UNLOAD = 4; + + private final String mDefaultValue; + private final JsPromptResult mResult; + private final String mMessage; + private final int mType; + private final String mUrl; + + public JsDialogHelper(JsPromptResult result, int type, String defaultValue, String message, + String url) { + mResult = result; + mDefaultValue = defaultValue; + mMessage = message; + mType = type; + mUrl = url; + } + + public JsDialogHelper(JsPromptResult result, Message msg) { + mResult = result; + mDefaultValue = msg.getData().getString("default"); + mMessage = msg.getData().getString("message"); + mType = msg.getData().getInt("type"); + mUrl = msg.getData().getString("url"); + } + + public boolean invokeCallback(WebChromeClient client, WebView webView) { + switch (mType) { + case ALERT: + return client.onJsAlert(webView, mUrl, mMessage, mResult); + case CONFIRM: + return client.onJsConfirm(webView, mUrl, mMessage, mResult); + case UNLOAD: + return client.onJsBeforeUnload(webView, mUrl, mMessage, mResult); + case PROMPT: + return client.onJsPrompt(webView, mUrl, mMessage, mDefaultValue, mResult); + default: + throw new IllegalArgumentException("Unexpected type: " + mType); + } + } + + public void showDialog(Context context) { + if (!canShowAlertDialog(context)) { + Log.w(TAG, "Cannot create a dialog, the WebView context is not an Activity"); + mResult.cancel(); + return; + } + + String title, displayMessage; + int positiveTextId, negativeTextId; + if (mType == UNLOAD) { + title = context.getString(com.android.internal.R.string.js_dialog_before_unload_title); + displayMessage = context.getString( + com.android.internal.R.string.js_dialog_before_unload, mMessage); + positiveTextId = com.android.internal.R.string.js_dialog_before_unload_positive_button; + negativeTextId = com.android.internal.R.string.js_dialog_before_unload_negative_button; + } else { + title = getJsDialogTitle(context); + displayMessage = mMessage; + positiveTextId = com.android.internal.R.string.ok; + negativeTextId = com.android.internal.R.string.cancel; + } + AlertDialog.Builder builder = new AlertDialog.Builder(context); + builder.setTitle(title); + builder.setOnCancelListener(new CancelListener()); + if (mType != PROMPT) { + builder.setMessage(displayMessage); + builder.setPositiveButton(positiveTextId, new PositiveListener(null)); + } else { + final View view = LayoutInflater.from(context).inflate( + com.android.internal.R.layout.js_prompt, null); + EditText edit = ((EditText) view.findViewById(com.android.internal.R.id.value)); + edit.setText(mDefaultValue); + builder.setPositiveButton(positiveTextId, new PositiveListener(edit)); + ((TextView) view.findViewById(com.android.internal.R.id.message)).setText(mMessage); + builder.setView(view); + } + if (mType != ALERT) { + builder.setNegativeButton(negativeTextId, new CancelListener()); + } + builder.show(); + } + + private class CancelListener implements DialogInterface.OnCancelListener, + DialogInterface.OnClickListener { + @Override + public void onCancel(DialogInterface dialog) { + mResult.cancel(); + } + @Override + public void onClick(DialogInterface dialog, int which) { + mResult.cancel(); + } + } + + private class PositiveListener implements DialogInterface.OnClickListener { + private final EditText mEdit; + + public PositiveListener(EditText edit) { + mEdit = edit; + } + + @Override + public void onClick(DialogInterface dialog, int which) { + if (mEdit == null) { + mResult.confirm(); + } else { + mResult.confirm(mEdit.getText().toString()); + } + } + } + + private String getJsDialogTitle(Context context) { + String title = mUrl; + if (URLUtil.isDataUrl(mUrl)) { + // For data: urls, we just display 'JavaScript' similar to Chrome. + title = context.getString(com.android.internal.R.string.js_dialog_title_default); + } else { + try { + URL alertUrl = new URL(mUrl); + // For example: "The page at 'http://www.mit.edu' says:" + title = context.getString(com.android.internal.R.string.js_dialog_title, + alertUrl.getProtocol() + "://" + alertUrl.getHost()); + } catch (MalformedURLException ex) { + // do nothing. just use the url as the title + } + } + return title; + } + + private static boolean canShowAlertDialog(Context context) { + // We can only display the alert dialog if mContext is + // an Activity context. + // FIXME: Should we display dialogs if mContext does + // not have the window focus (e.g. if the user is viewing + // another Activity when the alert should be displayed) ? + // See bug 3166409 + return context instanceof Activity; + } +} diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml index a0e1603..3361ab7 100644 --- a/core/res/res/values/strings.xml +++ b/core/res/res/values/strings.xml @@ -2411,9 +2411,14 @@ <string name="js_dialog_title">The page at \"<xliff:g id="title">%s</xliff:g>\" says:</string> <!-- Default title for a javascript dialog --> <string name="js_dialog_title_default">JavaScript</string> - <!-- Message in a javascript dialog asking if the user wishes to leave the - current page --> - <string name="js_dialog_before_unload">Navigate away from this page?\n\n<xliff:g id="message">%s</xliff:g>\n\nTouch OK to continue, or Cancel to stay on the current page.</string> + <!-- Title for the unload javascript dialog --> + <string name="js_dialog_before_unload_title">Confirm Navigation</string> + <!-- Text for the positive button on the unload javascript dialog --> + <string name="js_dialog_before_unload_positive_button">Leave this Page</string> + <!-- Text for the negative button on the unload javascript dialog --> + <string name="js_dialog_before_unload_negative_button">Stay on this Page</string> + <!-- Message in a javascript dialog asking if the user wishes to leave the current page --> + <string name="js_dialog_before_unload"><xliff:g id="message">%s</xliff:g>\n\nAre you sure you want to navigate away from this page?</string> <!-- Title of the WebView save password dialog. If the user enters a password in a form on a website, a dialog will come up asking if they want to save the password. --> <string name="save_password_label">Confirm</string> diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml index e06bcd1..45ea182 100644 --- a/core/res/res/values/symbols.xml +++ b/core/res/res/values/symbols.xml @@ -549,6 +549,9 @@ <java-symbol type="string" name="ime_action_search" /> <java-symbol type="string" name="ime_action_send" /> <java-symbol type="string" name="invalidPin" /> + <java-symbol type="string" name="js_dialog_before_unload_positive_button" /> + <java-symbol type="string" name="js_dialog_before_unload_negative_button" /> + <java-symbol type="string" name="js_dialog_before_unload_title" /> <java-symbol type="string" name="js_dialog_before_unload" /> <java-symbol type="string" name="js_dialog_title" /> <java-symbol type="string" name="js_dialog_title_default" /> |