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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_helper.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 content
+
+namespace components {
+
+enum WebContentsDelegateLogLevel {
+ // Equivalent of WebCore::WebConsoleMessage::LevelTip.
+ WEB_CONTENTS_DELEGATE_LOG_LEVEL_TIP = 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, int color_chooser_id,
+ SkColor color) OVERRIDE;
+ virtual void NavigationStateChanged(const content::WebContents* source,
+ unsigned changed_flags) OVERRIDE;
+ virtual void AddNewContents(content::WebContents* source,
+ content::WebContents* new_contents,
+ WindowOpenDisposition disposition,
+ const gfx::Rect& initial_pos,
+ bool user_gesture,
+ bool* was_blocked) OVERRIDE;
+ virtual void ActivateContents(content::WebContents* contents) OVERRIDE;
+ virtual void DeactivateContents(content::WebContents* contents) OVERRIDE;
+ virtual void LoadingStateChanged(content::WebContents* source) OVERRIDE;
+ virtual void LoadProgressChanged(content::WebContents* source,
+ double load_progress) 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 string16& message,
+ int32 line_no,
+ const 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;
+
+ 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_;
+};
+
+bool RegisterWebContentsDelegateAndroid(JNIEnv* env);
+
+} // namespace components
+
+#endif // COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_