components/web_contents_delegate_android/web_contents_delegate_android.h

   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(
  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                                int32 page_id,
  84                                const GURL& url) OVERRIDE;
  85   virtual void HandleKeyboardEvent(
  86       content::WebContents* source,
  87       const content::NativeWebKeyboardEvent& event) OVERRIDE;
  88   virtual bool TakeFocus(content::WebContents* source, bool reverse) OVERRIDE;
  89   virtual void ShowRepostFormWarningDialog(
  90       content::WebContents* source) OVERRIDE;
  91   virtual void ToggleFullscreenModeForTab(content::WebContents* web_contents,
  92                                           bool enter_fullscreen) OVERRIDE;
  93   virtual bool IsFullscreenForTabOrPending(
  94       const content::WebContents* web_contents) const OVERRIDE;
  95   virtual void ShowValidationMessage(content::WebContents* web_contents,
  96                                      const gfx::Rect& anchor_in_root_view,
  97                                      const base::string16& main_text,
  98                                      const base::string16& sub_text) OVERRIDE;
  99   virtual void HideValidationMessage(
 100       content::WebContents* web_contents) OVERRIDE;
 101   virtual void MoveValidationMessage(
 102       content::WebContents* web_contents,
 103       const gfx::Rect& anchor_in_root_view) OVERRIDE;
 104
 105  protected:
 106   base::android::ScopedJavaLocalRef<jobject> GetJavaDelegate(JNIEnv* env) const;
 107
 108  private:
 109   // We depend on the java side user of WebContentDelegateAndroid to hold a
 110   // strong reference to that object as long as they want to receive callbacks
 111   // on it. Using a weak ref here allows it to be correctly GCed.
 112   JavaObjectWeakGlobalRef weak_java_delegate_;
 113
 114   scoped_ptr<ValidationMessageBubbleAndroid> validation_message_bubble_;
 115 };
 116
 117 bool RegisterWebContentsDelegateAndroid(JNIEnv* env);
 118
 119 }  // namespace web_contents_delegate_android
 120
 121 #endif  // COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_