1 // Copyright (c) 2011 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 CHROME_BROWSER_INSTANT_INSTANT_LOADER_DELEGATE_H_ 6 #define CHROME_BROWSER_INSTANT_INSTANT_LOADER_DELEGATE_H_ 7 #pragma once 8 9 #include "base/string16.h" 10 #include "chrome/common/instant_types.h" 11 12 class GURL; 13 14 namespace gfx { 15 class Rect; 16 } 17 18 class InstantLoader; 19 20 // InstantLoader's delegate. This interface is implemented by InstantController. 21 class InstantLoaderDelegate { 22 public: 23 // Invoked when the status (either http_status_ok or ready) has changed. 24 virtual void InstantStatusChanged(InstantLoader* loader) = 0; 25 26 // Invoked when the loader has suggested text. 27 virtual void SetSuggestedTextFor( 28 InstantLoader* loader, 29 const string16& text, 30 InstantCompleteBehavior behavior) = 0; 31 32 // Returns the bounds of instant. 33 virtual gfx::Rect GetInstantBounds() = 0; 34 35 // Returns true if instant should be committed on mouse up. 36 virtual bool ShouldCommitInstantOnMouseUp() = 0; 37 38 // Invoked when the the loader should be committed. 39 virtual void CommitInstantLoader(InstantLoader* loader) = 0; 40 41 // Invoked if the loader was created with the intention that the site supports 42 // instant, but it turned out the site doesn't support instant. 43 virtual void InstantLoaderDoesntSupportInstant(InstantLoader* loader) = 0; 44 45 // Adds the specified url to the set of urls instant won't prefetch for. 46 virtual void AddToBlacklist(InstantLoader* loader, const GURL& url) = 0; 47 48 protected: ~InstantLoaderDelegate()49 virtual ~InstantLoaderDelegate() {} 50 }; 51 52 #endif // CHROME_BROWSER_INSTANT_INSTANT_LOADER_DELEGATE_H_ 53