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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.
#include <vector>
#include "base/time/time.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/app_list/app_list_export.h"
namespace gfx {
class Size;
namespace views {
class View;
namespace app_list {
class AppListModel;
class AppListViewDelegateObserver;
class SearchModel;
class SearchResult;
class SpeechUIModel;
class APP_LIST_EXPORT AppListViewDelegate {
virtual ~AppListViewDelegate() {}
// Gets the model associated with the view delegate. The model may be owned
// by the delegate, or owned elsewhere (e.g. a profile keyed service).
virtual AppListModel* GetModel() = 0;
// Gets the search model associated with the view delegate. The model may be
// owned by the delegate, or owned elsewhere (e.g. a profile keyed service).
virtual SearchModel* GetSearchModel() = 0;
// Gets the SpeechUIModel for the app list. Owned by the AppListViewDelegate.
virtual SpeechUIModel* GetSpeechUI() = 0;
// Invoked to start a new search. Delegate collects query input from
// SearchBoxModel and populates SearchResults. Both models are sub models
// of AppListModel.
virtual void StartSearch() = 0;
// Invoked to open the search result.
virtual void OpenSearchResult(SearchResult* result,
bool auto_launch,
int event_flags) = 0;
// Called to invoke a custom action on |result|. |action_index| corresponds
// to the index of an icon in |result.action_icons()|.
virtual void InvokeSearchResultAction(SearchResult* result,
int action_index,
int event_flags) = 0;
// Gets the timeout for auto-launching the first search result, or 0 if the
// auto-launch should not happen for the current search session.
virtual base::TimeDelta GetAutoLaunchTimeout() = 0;
// Invoked when the auto-launch is canceled by the user action.
virtual void AutoLaunchCanceled() = 0;
// Invoked when the app list UI is created.
virtual void ViewInitialized() = 0;
// Invoked to dismiss app list. This may leave the view open but hidden from
// the user.
virtual void Dismiss() = 0;
// Invoked when the app list is closing.
virtual void ViewClosing() = 0;
// Invoked to toggle the status of speech recognition.
virtual void StartSpeechRecognition() = 0;
virtual void StopSpeechRecognition() = 0;
// Creates the web view for the start page. The caller takes the ownership of
// the returned view.
virtual views::View* CreateStartPageWebView(const gfx::Size& size) = 0;
// Creates the web views for the user-specified custom pages. The caller takes
// ownership of the returned views.
virtual std::vector<views::View*> CreateCustomPageWebViews(
const gfx::Size& size) = 0;
// Invoked when the custom launcher page's animation changes.
virtual void CustomLauncherPageAnimationChanged(double progress) = 0;
// Invoked when the custom launcher page's subpage should be popped.
virtual void CustomLauncherPagePopSubpage() = 0;
// Returns true if the delegate supports speech recognition.
virtual bool IsSpeechRecognitionEnabled() = 0;
// Gets the wallpaper prominent colors.
virtual void GetWallpaperProminentColors(std::vector<SkColor>* colors) = 0;
// Add/remove observer for AppListViewDelegate.
virtual void AddObserver(AppListViewDelegateObserver* observer) = 0;
virtual void RemoveObserver(AppListViewDelegateObserver* observer) = 0;
} // namespace app_list