chrome/browser/ui/android/javascript_app_modal_dialog_android.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/android/javascript_app_modal_dialog_android.h"
   6
   7 #include "base/android/jni_android.h"
   8 #include "base/android/jni_string.h"
   9 #include "chrome/browser/ui/app_modal/chrome_javascript_native_dialog_factory.h"
  10 #include "components/app_modal/app_modal_dialog_queue.h"
  11 #include "components/app_modal/javascript_app_modal_dialog.h"
  12 #include "components/app_modal/javascript_dialog_manager.h"
  13 #include "components/app_modal/javascript_native_dialog_factory.h"
  14 #include "content/public/browser/browser_thread.h"
  15 #include "content/public/browser/web_contents.h"
  16 #include "content/public/browser/web_contents_delegate.h"
  17 #include "content/public/common/javascript_message_type.h"
  18 #include "jni/JavascriptAppModalDialog_jni.h"
  19 #include "ui/android/window_android.h"
  20
  21 using base::android::AttachCurrentThread;
  22 using base::android::ConvertUTF16ToJavaString;
  23 using base::android::ScopedJavaGlobalRef;
  24 using base::android::ScopedJavaLocalRef;
  25
  26 JavascriptAppModalDialogAndroid::JavascriptAppModalDialogAndroid(
  27     JNIEnv* env,
  28     app_modal::JavaScriptAppModalDialog* dialog,
  29     gfx::NativeWindow parent)
  30     : dialog_(dialog),
  31       parent_jobject_weak_ref_(env, parent->GetJavaObject().obj()) {
  32 }
  33
  34 int JavascriptAppModalDialogAndroid::GetAppModalDialogButtons() const {
  35   NOTIMPLEMENTED();
  36   return 0;
  37 }
  38
  39 void JavascriptAppModalDialogAndroid::ShowAppModalDialog() {
  40   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
  41
  42   JNIEnv* env = AttachCurrentThread();
  43   // Keep a strong ref to the parent window while we make the call to java to
  44   // display the dialog.
  45   ScopedJavaLocalRef<jobject> parent_jobj = parent_jobject_weak_ref_.get(env);
  46   if (parent_jobj.is_null()) {
  47     CancelAppModalDialog();
  48     return;
  49   }
  50
  51   ScopedJavaLocalRef<jobject> dialog_object;
  52   ScopedJavaLocalRef<jstring> title =
  53       ConvertUTF16ToJavaString(env, dialog_->title());
  54   ScopedJavaLocalRef<jstring> message =
  55       ConvertUTF16ToJavaString(env, dialog_->message_text());
  56
  57   switch (dialog_->javascript_message_type()) {
  58     case content::JAVASCRIPT_MESSAGE_TYPE_ALERT: {
  59       dialog_object = Java_JavascriptAppModalDialog_createAlertDialog(env,
  60           title.obj(), message.obj(),
  61           dialog_->display_suppress_checkbox());
  62       break;
  63     }
  64     case content::JAVASCRIPT_MESSAGE_TYPE_CONFIRM: {
  65       if (dialog_->is_before_unload_dialog()) {
  66         dialog_object = Java_JavascriptAppModalDialog_createBeforeUnloadDialog(
  67             env, title.obj(), message.obj(), dialog_->is_reload(),
  68             dialog_->display_suppress_checkbox());
  69       } else {
  70         dialog_object = Java_JavascriptAppModalDialog_createConfirmDialog(env,
  71             title.obj(), message.obj(),
  72             dialog_->display_suppress_checkbox());
  73       }
  74       break;
  75     }
  76     case content::JAVASCRIPT_MESSAGE_TYPE_PROMPT: {
  77       ScopedJavaLocalRef<jstring> default_prompt_text =
  78           ConvertUTF16ToJavaString(env, dialog_->default_prompt_text());
  79       dialog_object = Java_JavascriptAppModalDialog_createPromptDialog(env,
  80           title.obj(), message.obj(),
  81           dialog_->display_suppress_checkbox(), default_prompt_text.obj());
  82       break;
  83     }
  84     default:
  85       NOTREACHED();
  86   }
  87
  88   // Keep a ref to the java side object until we get a confirm or cancel.
  89   dialog_jobject_.Reset(dialog_object);
  90
  91   Java_JavascriptAppModalDialog_showJavascriptAppModalDialog(env,
  92       dialog_object.obj(), parent_jobj.obj(),
  93       reinterpret_cast<intptr_t>(this));
  94 }
  95
  96 void JavascriptAppModalDialogAndroid::ActivateAppModalDialog() {
  97   ShowAppModalDialog();
  98 }
  99
 100 void JavascriptAppModalDialogAndroid::CloseAppModalDialog() {
 101   CancelAppModalDialog();
 102 }
 103
 104 void JavascriptAppModalDialogAndroid::AcceptAppModalDialog() {
 105   base::string16 prompt_text;
 106   dialog_->OnAccept(prompt_text, false);
 107   delete this;
 108 }
 109
 110 void JavascriptAppModalDialogAndroid::DidAcceptAppModalDialog(
 111     JNIEnv* env, jobject, jstring prompt, bool should_suppress_js_dialogs) {
 112   base::string16 prompt_text =
 113       base::android::ConvertJavaStringToUTF16(env, prompt);
 114   dialog_->OnAccept(prompt_text, should_suppress_js_dialogs);
 115   delete this;
 116 }
 117
 118 void JavascriptAppModalDialogAndroid::CancelAppModalDialog() {
 119   dialog_->OnCancel(false);
 120   delete this;
 121 }
 122
 123 bool JavascriptAppModalDialogAndroid::IsShowing() const {
 124   return true;
 125 }
 126
 127 void JavascriptAppModalDialogAndroid::DidCancelAppModalDialog(
 128     JNIEnv* env, jobject, bool should_suppress_js_dialogs) {
 129   dialog_->OnCancel(should_suppress_js_dialogs);
 130   delete this;
 131 }
 132
 133 const ScopedJavaGlobalRef<jobject>&
 134     JavascriptAppModalDialogAndroid::GetDialogObject() const {
 135   return dialog_jobject_;
 136 }
 137
 138 // static
 139 jobject GetCurrentModalDialog(JNIEnv* env, jclass clazz) {
 140   app_modal::AppModalDialog* dialog =
 141       app_modal::AppModalDialogQueue::GetInstance()->active_dialog();
 142   if (!dialog || !dialog->native_dialog())
 143     return NULL;
 144
 145   JavascriptAppModalDialogAndroid* js_dialog =
 146       static_cast<JavascriptAppModalDialogAndroid*>(dialog->native_dialog());
 147   return js_dialog->GetDialogObject().obj();
 148 }
 149
 150 // static
 151 bool JavascriptAppModalDialogAndroid::RegisterJavascriptAppModalDialog(
 152     JNIEnv* env) {
 153   return RegisterNativesImpl(env);
 154 }
 155
 156 JavascriptAppModalDialogAndroid::~JavascriptAppModalDialogAndroid() {
 157   // In case the dialog is still displaying, tell it to close itself.
 158   // This can happen if you trigger a dialog but close the Tab before it's
 159   // shown, and then accept the dialog.
 160   if (!dialog_jobject_.is_null()) {
 161     JNIEnv* env = AttachCurrentThread();
 162     Java_JavascriptAppModalDialog_dismiss(env, dialog_jobject_.obj());
 163   }
 164 }
 165
 166 namespace {
 167
 168 class ChromeJavaScriptNativeDialogAndroidFactory
 169     : public app_modal::JavaScriptNativeDialogFactory {
 170  public:
 171   ChromeJavaScriptNativeDialogAndroidFactory() {}
 172   ~ChromeJavaScriptNativeDialogAndroidFactory() override {}
 173
 174  private:
 175   app_modal::NativeAppModalDialog* CreateNativeJavaScriptDialog(
 176       app_modal::JavaScriptAppModalDialog* dialog) override {
 177     dialog->web_contents()->GetDelegate()->ActivateContents(
 178         dialog->web_contents());
 179     return new JavascriptAppModalDialogAndroid(
 180         base::android::AttachCurrentThread(),
 181         dialog, dialog->web_contents()->GetTopLevelNativeWindow());
 182   }
 183
 184   DISALLOW_COPY_AND_ASSIGN(ChromeJavaScriptNativeDialogAndroidFactory);
 185 };
 186
 187 }  // namespace
 188
 189 void InstallChromeJavaScriptNativeDialogFactory() {
 190   app_modal::JavaScriptDialogManager::GetInstance()->
 191       SetNativeDialogFactory(
 192           make_scoped_ptr(new ChromeJavaScriptNativeDialogAndroidFactory));
 193 }
 194