[InfoBar] Upstram basic infobar flow for Android.

chrome/browser/ui/android/infobar/infobar_android.cc

+// Copyright (c) 2013 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/infobar/infobar_android.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "base/strings/string_util.h"
+#include "chrome/browser/android/resource_mapper.h"
+#include "chrome/browser/infobars/infobar.h"
+#include "chrome/browser/infobars/infobar_delegate.h"
+#include "chrome/browser/infobars/infobar_service.h"
+#include "jni/InfoBar_jni.h"
+
+namespace gfx {
+  class Image;
+}
+
+using base::android::AttachCurrentThread;
+using base::android::JavaRef;
+
+
+// static constants defined in infobar.h we don't really use them for anything
+// but they are required. The values are copied from the GTK implementation.
+const int InfoBar::kSeparatorLineHeight = 1;
+const int InfoBar::kDefaultArrowTargetHeight = 9;
+const int InfoBar::kMaximumArrowTargetHeight = 24;
+const int InfoBar::kDefaultArrowTargetHalfWidth = kDefaultArrowTargetHeight;
+const int InfoBar::kMaximumArrowTargetHalfWidth = 14;
+const int InfoBar::kDefaultBarTargetHeight = 36;
+
+InfoBarAndroid::InfoBarAndroid(InfoBarService* owner, InfoBarDelegate* delegate)
+    : InfoBar(owner, delegate),
+      delegate_(delegate) {
+  DCHECK(delegate_);
+  DCHECK(delegate_->owner());
+}
+
+InfoBarAndroid::~InfoBarAndroid() {}
+
+void InfoBarAndroid::ReassignJavaInfoBar(InfoBarAndroid* replacement) {
+  DCHECK(replacement);
+  if (!java_info_bar_.is_null()) {
+    replacement->set_java_infobar(java_info_bar_);
+    java_info_bar_.Reset();
+  }
+}
+
+void InfoBarAndroid::set_java_infobar(const JavaRef<jobject>& java_info_bar) {
+  DCHECK(java_info_bar_.is_null());
+  java_info_bar_.Reset(java_info_bar);
+}
+
+bool InfoBarAndroid::HasSetJavaInfoBar() const {
+  return !java_info_bar_.is_null();
+}
+
+void InfoBarAndroid::OnButtonClicked(
+    JNIEnv* env, jobject obj, jint action, jstring action_value) {
+  DCHECK(delegate_);
+  std::string value = base::android::ConvertJavaStringToUTF8(env, action_value);
+  ProcessButton(action, value);
+}
+
+void InfoBarAndroid::OnCloseButtonClicked(JNIEnv* env, jobject obj) {
+  delegate_->InfoBarDismissed();
+}
+
+void InfoBarAndroid::OnInfoBarClosed(JNIEnv* env, jobject obj) {
+  java_info_bar_.Reset();  // So we don't notify Java.
+  if (owner())
+    RemoveSelf();
+}
+
+void InfoBarAndroid::CloseInfoBar() {
+  CloseJavaInfoBar();
+  if (owner())
+    RemoveSelf();
+}
+
+void InfoBarAndroid::CloseJavaInfoBar() {
+  if (!java_info_bar_.is_null()) {
+    JNIEnv* env = AttachCurrentThread();
+    Java_InfoBar_closeInfoBar(env, java_info_bar_.obj());
+  }
+}
+
+int InfoBarAndroid::GetEnumeratedIconId() {
+  DCHECK(delegate_);
+  return ResourceMapper::MapFromChromiumId(delegate_->GetIconID());
+}
+
+// -----------------------------------------------------------------------------
+// Native JNI methods
+// -----------------------------------------------------------------------------
+
+// Register native methods
+bool RegisterNativeInfoBar(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}