[Android] Prompt with infobar on filename conflict

chrome/browser/ui/android/infobars/download_overwrite_infobar.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/android/infobars/download_overwrite_infobar.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
+#include "base/android/jni_string.h"
+#include "base/android/jni_weak_ref.h"
+#include "chrome/browser/android/download_overwrite_infobar_delegate.h"
+#include "jni/DownloadOverwriteInfoBarDelegate_jni.h"
+
+using base::android::ConvertUTF8ToJavaString;
+using chrome::android::DownloadOverwriteInfoBarDelegate;
+
+// static
+scoped_ptr<infobars::InfoBar> DownloadOverwriteInfoBar::CreateInfoBar(
+    scoped_ptr<DownloadOverwriteInfoBarDelegate> delegate) {
+  return scoped_ptr<infobars::InfoBar>(
+      new DownloadOverwriteInfoBar(delegate.Pass()));
+}
+
+DownloadOverwriteInfoBar::DownloadOverwriteInfoBar(
+    scoped_ptr<DownloadOverwriteInfoBarDelegate> delegate)
+    : InfoBarAndroid(delegate.PassAs<infobars::InfoBarDelegate>()),
+      java_delegate_() {
+}
+
+DownloadOverwriteInfoBar::~DownloadOverwriteInfoBar() {
+}
+
+ScopedJavaLocalRef<jobject> DownloadOverwriteInfoBar::CreateRenderInfoBar(
+    JNIEnv* env) {
+  java_delegate_.Reset(Java_DownloadOverwriteInfoBarDelegate_create(env));
+  DownloadOverwriteInfoBarDelegate* delegate = GetDelegate();
+  ScopedJavaLocalRef<jstring> j_file_name =
+       ConvertUTF8ToJavaString(env, delegate->GetFileName());
+  ScopedJavaLocalRef<jstring> j_dir_name =
+       ConvertUTF8ToJavaString(env, delegate->GetDirName());
+  ScopedJavaLocalRef<jstring> j_dir_full_path =
+       ConvertUTF8ToJavaString(env, delegate->GetDirFullPath());
+  return Java_DownloadOverwriteInfoBarDelegate_showDownloadOverwriteInfoBar(
+      env, java_delegate_.obj(), reinterpret_cast<intptr_t>(this),
+      j_file_name.obj(), j_dir_name.obj(), j_dir_full_path.obj());
+}
+
+void DownloadOverwriteInfoBar::ProcessButton(
+    int action, const std::string& action_value) {
+  if (!owner())
+    return;  // We're closing; don't call anything, it might access the owner.
+
+  DownloadOverwriteInfoBarDelegate* delegate = GetDelegate();
+  if (action == InfoBarAndroid::ACTION_OK) {
+    delegate->Accept();
+  } else if (action == InfoBarAndroid::ACTION_CANCEL) {
+    delegate->Cancel();
+  } else {
+    DCHECK_EQ(InfoBarAndroid::ACTION_NONE, action);
+  }
+
+  RemoveSelf();
+}
+
+DownloadOverwriteInfoBarDelegate* DownloadOverwriteInfoBar::GetDelegate() {
+  return delegate()->AsDownloadOverwriteInfoBarDelegate();
+}
+
+// Native JNI methods ---------------------------------------------------------
+
+bool RegisterDownloadOverwriteInfoBarDelegate(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}