[InfoBar] Upstram basic infobar flow for Android.

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

+// 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.
+
+#ifndef CHROME_BROWSER_UI_ANDROID_INFOBAR_INFOBAR_ANDROID_H_
+#define CHROME_BROWSER_UI_ANDROID_INFOBAR_INFOBAR_ANDROID_H_
+
+#include <string>
+
+#include "base/android/jni_helper.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "chrome/browser/infobars/infobar.h"
+
+class InfoBarDelegate;
+class InfoBarService;
+
+namespace gfx {
+  class Image;
+}
+
+class InfoBarAndroid : public InfoBar {
+ public:
+
+  // Make sure this set of values is aligned with the java constants defined in
+  // InfoBar.java
+  enum ActionType {
+    ACTION_NONE = 0,
+    // Confirm infobar
+    ACTION_OK = 1,
+    ACTION_CANCEL = 2,
+    // Translate infobar
+    ACTION_TRANSLATE = 3,
+    ACTION_TRANSLATE_SHOW_ORIGINAL = 4,
+  };
+
+  InfoBarAndroid(InfoBarService* owner, InfoBarDelegate* delegate);
+  virtual ~InfoBarAndroid();
+
+  // InfoBar
+  virtual base::android::ScopedJavaLocalRef<jobject> CreateRenderInfoBar(
+      JNIEnv* env) = 0;
+
+  void set_java_infobar(const base::android::JavaRef<jobject>& java_info_bar);
+
+  bool HasSetJavaInfoBar() const;
+
+  // Tells the Java-side counterpart of this InfoBar to point to the replacement
+  // InfoBar instead of this one.
+  void ReassignJavaInfoBar(InfoBarAndroid* replacement);
+
+  void OnButtonClicked(JNIEnv* env, jobject obj,
+                       jint action, jstring action_value);
+  void OnCloseButtonClicked(JNIEnv* env, jobject obj);
+
+  void OnInfoBarClosed(JNIEnv* env, jobject obj);
+
+  void CloseJavaInfoBar();
+
+  // Maps from a Chromium ID (IDR_TRANSLATE) to a enum value that Java code can
+  // translate into a Drawable ID using the ResourceId class.
+  int GetEnumeratedIconId();
+
+  // Acquire the java infobar from a different one.
+  // This is used to do in place replacements.
+  virtual void PassJavaInfoBar(InfoBarAndroid* source) {}
+
+ protected:
+  // Derived classes must implement this method to process the
+  // corresponding action.
+  virtual void ProcessButton(
+      int action, const std::string& action_value) = 0;
+  void CloseInfoBar();
+
+ private:
+  // The InfoBar's delegate.
+  InfoBarDelegate* delegate_;
+  base::android::ScopedJavaGlobalRef<jobject> java_info_bar_;
+
+  DISALLOW_COPY_AND_ASSIGN(InfoBarAndroid);
+};
+
+// Register the NativeInfoBar's native methods through jni
+bool RegisterNativeInfoBar(JNIEnv* env);
+
+#endif  // CHROME_BROWSER_UI_ANDROID_INFOBAR_INFOBAR_ANDROID_H_