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#ifndef COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_
6#define COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_
7
8#include "base/android/jni_weak_ref.h"
9#include "base/android/scoped_java_ref.h"
10#include "base/compiler_specific.h"
11#include "base/memory/scoped_ptr.h"
12#include "content/public/browser/web_contents_delegate.h"
13
14class GURL;
15
16namespace content {
17class WebContents;
18class WebContentsDelegate;
19struct NativeWebKeyboardEvent;
20struct OpenURLParams;
21}
22
23namespace web_contents_delegate_android {
24
25class ValidationMessageBubbleAndroid;
26
27enum WebContentsDelegateLogLevel {
28  // Equivalent of WebCore::WebConsoleMessage::LevelDebug.
29  WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG = 0,
30  // Equivalent of WebCore::WebConsoleMessage::LevelLog.
31  WEB_CONTENTS_DELEGATE_LOG_LEVEL_LOG = 1,
32  // Equivalent of WebCore::WebConsoleMessage::LevelWarning.
33  WEB_CONTENTS_DELEGATE_LOG_LEVEL_WARNING = 2,
34  // Equivalent of WebCore::WebConsoleMessage::LevelError.
35  WEB_CONTENTS_DELEGATE_LOG_LEVEL_ERROR = 3,
36};
37
38
39// Native underpinnings of WebContentsDelegateAndroid.java. Provides a default
40// delegate for WebContents to forward calls to the java peer. The embedding
41// application may subclass and override methods on either the C++ or Java side
42// as required.
43class WebContentsDelegateAndroid : public content::WebContentsDelegate {
44 public:
45  WebContentsDelegateAndroid(JNIEnv* env, jobject obj);
46  virtual ~WebContentsDelegateAndroid();
47
48  // Binds this WebContentsDelegateAndroid to the passed WebContents instance,
49  // such that when that WebContents is destroyed, this
50  // WebContentsDelegateAndroid instance will be destroyed too.
51  void SetOwnerWebContents(content::WebContents* contents);
52
53  // Overridden from WebContentsDelegate:
54  virtual content::WebContents* OpenURLFromTab(
55      content::WebContents* source,
56      const content::OpenURLParams& params) OVERRIDE;
57  virtual content::ColorChooser* OpenColorChooser(
58      content::WebContents* source,
59      SkColor color,
60      const std::vector<content::ColorSuggestion>& suggestions) OVERRIDE;
61  virtual void NavigationStateChanged(
62      const content::WebContents* source,
63      content::InvalidateTypes changed_flags) OVERRIDE;
64  virtual void VisibleSSLStateChanged(
65      const content::WebContents* source) OVERRIDE;
66  virtual void ActivateContents(content::WebContents* contents) OVERRIDE;
67  virtual void DeactivateContents(content::WebContents* contents) OVERRIDE;
68  virtual void LoadingStateChanged(content::WebContents* source,
69                                   bool to_different_document) OVERRIDE;
70  virtual void LoadProgressChanged(content::WebContents* source,
71                                   double load_progress) OVERRIDE;
72  virtual void RendererUnresponsive(content::WebContents* source) OVERRIDE;
73  virtual void RendererResponsive(content::WebContents* source) OVERRIDE;
74  virtual void CloseContents(content::WebContents* source) OVERRIDE;
75  virtual void MoveContents(content::WebContents* source,
76                            const gfx::Rect& pos) OVERRIDE;
77  virtual bool AddMessageToConsole(content::WebContents* source,
78                                   int32 level,
79                                   const base::string16& message,
80                                   int32 line_no,
81                                   const base::string16& source_id) OVERRIDE;
82  virtual void UpdateTargetURL(content::WebContents* source,
83                               const GURL& url) OVERRIDE;
84  virtual void HandleKeyboardEvent(
85      content::WebContents* source,
86      const content::NativeWebKeyboardEvent& event) OVERRIDE;
87  virtual bool TakeFocus(content::WebContents* source, bool reverse) OVERRIDE;
88  virtual void ShowRepostFormWarningDialog(
89      content::WebContents* source) OVERRIDE;
90  virtual void ToggleFullscreenModeForTab(content::WebContents* web_contents,
91                                          bool enter_fullscreen) OVERRIDE;
92  virtual bool IsFullscreenForTabOrPending(
93      const content::WebContents* web_contents) const OVERRIDE;
94  virtual void ShowValidationMessage(content::WebContents* web_contents,
95                                     const gfx::Rect& anchor_in_root_view,
96                                     const base::string16& main_text,
97                                     const base::string16& sub_text) OVERRIDE;
98  virtual void HideValidationMessage(
99      content::WebContents* web_contents) OVERRIDE;
100  virtual void MoveValidationMessage(
101      content::WebContents* web_contents,
102      const gfx::Rect& anchor_in_root_view) OVERRIDE;
103
104 protected:
105  base::android::ScopedJavaLocalRef<jobject> GetJavaDelegate(JNIEnv* env) const;
106
107 private:
108  // We depend on the java side user of WebContentDelegateAndroid to hold a
109  // strong reference to that object as long as they want to receive callbacks
110  // on it. Using a weak ref here allows it to be correctly GCed.
111  JavaObjectWeakGlobalRef weak_java_delegate_;
112
113  scoped_ptr<ValidationMessageBubbleAndroid> validation_message_bubble_;
114};
115
116bool RegisterWebContentsDelegateAndroid(JNIEnv* env);
117
118}  // namespace web_contents_delegate_android
119
120#endif  // COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_
121