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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 CHROME_BROWSER_INSTANT_INSTANT_LOADER_DELEGATE_H_
#define CHROME_BROWSER_INSTANT_INSTANT_LOADER_DELEGATE_H_
#include <vector>
#include "base/string16.h"
#include "chrome/common/instant_types.h"
class InstantLoader;
// InstantLoader calls these methods on its delegate (InstantController)
// to notify it of interesting events happening on the Instant preview.
class InstantLoaderDelegate {
public:
// Invoked when the loader has suggested text.
virtual void SetSuggestions(
InstantLoader* loader,
const std::vector<string16>& suggestions,
InstantCompleteBehavior behavior) = 0;
// Commit the preview.
virtual void CommitInstantLoader(InstantLoader* loader) = 0;
// Notification that the first page load (of the Instant URL) completed.
virtual void InstantLoaderPreviewLoaded(InstantLoader* loader) = 0;
// Notification when the loader has determined whether or not the page
// supports the Instant API.
virtual void InstantSupportDetermined(InstantLoader* loader,
bool supports_instant) = 0;
// Notification that the loader swapped a different TabContents into the
// preview, usually because a prerendered page was navigated to.
virtual void SwappedTabContents(InstantLoader* loader) = 0;
// Notification that the preview gained focus, usually due to the user
// clicking on it.
virtual void InstantLoaderContentsFocused(InstantLoader* loader) = 0;
protected:
virtual ~InstantLoaderDelegate() {}
};
#endif // CHROME_BROWSER_INSTANT_INSTANT_LOADER_DELEGATE_H_
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