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 14 class GURL; 15 16 namespace content { 17 class WebContents; 18 class WebContentsDelegate; 19 struct NativeWebKeyboardEvent; 20 struct OpenURLParams; 21 } 22 23 namespace web_contents_delegate_android { 24 25 class ValidationMessageBubbleAndroid; 26 27 enum 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. 43 class 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(const content::WebContents* source, 62 unsigned changed_flags) OVERRIDE; 63 virtual void VisibleSSLStateChanged( 64 const content::WebContents* source) OVERRIDE; 65 virtual void ActivateContents(content::WebContents* contents) OVERRIDE; 66 virtual void DeactivateContents(content::WebContents* contents) OVERRIDE; 67 virtual void LoadingStateChanged(content::WebContents* source, 68 bool to_different_document) OVERRIDE; 69 virtual void LoadProgressChanged(content::WebContents* source, 70 double load_progress) OVERRIDE; 71 virtual void RendererUnresponsive(content::WebContents* source) OVERRIDE; 72 virtual void RendererResponsive(content::WebContents* source) OVERRIDE; 73 virtual void CloseContents(content::WebContents* source) OVERRIDE; 74 virtual void MoveContents(content::WebContents* source, 75 const gfx::Rect& pos) OVERRIDE; 76 virtual bool AddMessageToConsole(content::WebContents* source, 77 int32 level, 78 const base::string16& message, 79 int32 line_no, 80 const base::string16& source_id) OVERRIDE; 81 virtual void UpdateTargetURL(content::WebContents* source, 82 int32 page_id, 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 }; 115 116 bool RegisterWebContentsDelegateAndroid(JNIEnv* env); 117 118 } // namespace web_contents_delegate_android 119 120 #endif // COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_ 121
