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// Copyright (c) 2012 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 COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_
#define COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_
#include "base/android/jni_weak_ref.h"
#include "base/android/scoped_java_ref.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "content/public/browser/web_contents_delegate.h"
class GURL;
namespace content {
class WebContents;
class WebContentsDelegate;
struct NativeWebKeyboardEvent;
struct OpenURLParams;
}
namespace web_contents_delegate_android {
class ValidationMessageBubbleAndroid;
enum WebContentsDelegateLogLevel {
// Equivalent of WebCore::WebConsoleMessage::LevelDebug.
WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG = 0,
// Equivalent of WebCore::WebConsoleMessage::LevelLog.
WEB_CONTENTS_DELEGATE_LOG_LEVEL_LOG = 1,
// Equivalent of WebCore::WebConsoleMessage::LevelWarning.
WEB_CONTENTS_DELEGATE_LOG_LEVEL_WARNING = 2,
// Equivalent of WebCore::WebConsoleMessage::LevelError.
WEB_CONTENTS_DELEGATE_LOG_LEVEL_ERROR = 3,
};
// Native underpinnings of WebContentsDelegateAndroid.java. Provides a default
// delegate for WebContents to forward calls to the java peer. The embedding
// application may subclass and override methods on either the C++ or Java side
// as required.
class WebContentsDelegateAndroid : public content::WebContentsDelegate {
public:
WebContentsDelegateAndroid(JNIEnv* env, jobject obj);
virtual ~WebContentsDelegateAndroid();
// Binds this WebContentsDelegateAndroid to the passed WebContents instance,
// such that when that WebContents is destroyed, this
// WebContentsDelegateAndroid instance will be destroyed too.
void SetOwnerWebContents(content::WebContents* contents);
// Overridden from WebContentsDelegate:
virtual content::WebContents* OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) OVERRIDE;
virtual content::ColorChooser* OpenColorChooser(
content::WebContents* source,
SkColor color,
const std::vector<content::ColorSuggestion>& suggestions) OVERRIDE;
virtual void NavigationStateChanged(const content::WebContents* source,
unsigned changed_flags) OVERRIDE;
virtual void ActivateContents(content::WebContents* contents) OVERRIDE;
virtual void DeactivateContents(content::WebContents* contents) OVERRIDE;
virtual void LoadingStateChanged(content::WebContents* source,
bool to_different_document) OVERRIDE;
virtual void LoadProgressChanged(content::WebContents* source,
double load_progress) OVERRIDE;
virtual void RendererUnresponsive(content::WebContents* source) OVERRIDE;
virtual void RendererResponsive(content::WebContents* source) OVERRIDE;
virtual void CloseContents(content::WebContents* source) OVERRIDE;
virtual void MoveContents(content::WebContents* source,
const gfx::Rect& pos) OVERRIDE;
virtual bool AddMessageToConsole(content::WebContents* source,
int32 level,
const base::string16& message,
int32 line_no,
const base::string16& source_id) OVERRIDE;
virtual void UpdateTargetURL(content::WebContents* source,
int32 page_id,
const GURL& url) OVERRIDE;
virtual void HandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) OVERRIDE;
virtual bool TakeFocus(content::WebContents* source, bool reverse) OVERRIDE;
virtual void ShowRepostFormWarningDialog(
content::WebContents* source) OVERRIDE;
virtual void ToggleFullscreenModeForTab(content::WebContents* web_contents,
bool enter_fullscreen) OVERRIDE;
virtual bool IsFullscreenForTabOrPending(
const content::WebContents* web_contents) const OVERRIDE;
virtual void ShowValidationMessage(content::WebContents* web_contents,
const gfx::Rect& anchor_in_root_view,
const base::string16& main_text,
const base::string16& sub_text) OVERRIDE;
virtual void HideValidationMessage(
content::WebContents* web_contents) OVERRIDE;
virtual void MoveValidationMessage(
content::WebContents* web_contents,
const gfx::Rect& anchor_in_root_view) OVERRIDE;
protected:
base::android::ScopedJavaLocalRef<jobject> GetJavaDelegate(JNIEnv* env) const;
private:
// We depend on the java side user of WebContentDelegateAndroid to hold a
// strong reference to that object as long as they want to receive callbacks
// on it. Using a weak ref here allows it to be correctly GCed.
JavaObjectWeakGlobalRef weak_java_delegate_;
scoped_ptr<ValidationMessageBubbleAndroid> validation_message_bubble_;
};
bool RegisterWebContentsDelegateAndroid(JNIEnv* env);
} // namespace web_contents_delegate_android
#endif // COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_
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