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      1 // Copyright 2013 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 #ifndef CHROME_BROWSER_UI_ANDROID_INFOBARS_INFOBAR_ANDROID_H_
      6 #define CHROME_BROWSER_UI_ANDROID_INFOBARS_INFOBAR_ANDROID_H_
      7 
      8 #include <string>
      9 
     10 #include "base/android/jni_weak_ref.h"
     11 #include "base/android/scoped_java_ref.h"
     12 #include "base/basictypes.h"
     13 #include "base/compiler_specific.h"
     14 #include "components/infobars/core/infobar.h"
     15 
     16 class InfoBarService;
     17 
     18 namespace infobars {
     19 class InfoBarDelegate;
     20 }
     21 
     22 class InfoBarAndroid : public infobars::InfoBar {
     23  public:
     24 
     25   // Make sure this set of values is aligned with the java constants defined in
     26   // InfoBar.java!
     27   enum ActionType {
     28     ACTION_NONE = 0,
     29     // Confirm infobar
     30     ACTION_OK = 1,
     31     ACTION_CANCEL = 2,
     32     // Translate infobar
     33     ACTION_TRANSLATE = 3,
     34     ACTION_TRANSLATE_SHOW_ORIGINAL = 4,
     35   };
     36 
     37   explicit InfoBarAndroid(scoped_ptr<infobars::InfoBarDelegate> delegate);
     38   virtual ~InfoBarAndroid();
     39 
     40   // InfoBar:
     41   virtual base::android::ScopedJavaLocalRef<jobject> CreateRenderInfoBar(
     42       JNIEnv* env) = 0;
     43 
     44   void set_java_infobar(const base::android::JavaRef<jobject>& java_info_bar);
     45   bool HasSetJavaInfoBar() const;
     46 
     47   // Tells the Java-side counterpart of this InfoBar to point to the replacement
     48   // InfoBar instead of this one.
     49   void ReassignJavaInfoBar(InfoBarAndroid* replacement);
     50 
     51   virtual void OnLinkClicked(JNIEnv* env, jobject obj) {}
     52   void OnButtonClicked(JNIEnv* env,
     53                        jobject obj,
     54                        jint action,
     55                        jstring action_value);
     56   void OnCloseButtonClicked(JNIEnv* env, jobject obj);
     57 
     58   void CloseJavaInfoBar();
     59 
     60   // Maps from a Chromium ID (IDR_TRANSLATE) to a enum value that Java code can
     61   // translate into a Drawable ID using the ResourceId class.
     62   int GetEnumeratedIconId();
     63 
     64   // Acquire the java infobar from a different one.  This is used to do in-place
     65   // replacements.
     66   virtual void PassJavaInfoBar(InfoBarAndroid* source) {}
     67 
     68  protected:
     69   // Derived classes must implement this method to process the corresponding
     70   // action.
     71   virtual void ProcessButton(int action,
     72                              const std::string& action_value) = 0;
     73   void CloseInfoBar();
     74 
     75  private:
     76   base::android::ScopedJavaGlobalRef<jobject> java_info_bar_;
     77 
     78   DISALLOW_COPY_AND_ASSIGN(InfoBarAndroid);
     79 };
     80 
     81 // Registers the NativeInfoBar's native methods through JNI.
     82 bool RegisterNativeInfoBar(JNIEnv* env);
     83 
     84 #endif  // CHROME_BROWSER_UI_ANDROID_INFOBARS_INFOBAR_ANDROID_H_
     85