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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_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
#define CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include "base/callback_forward.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/scoped_observer.h"
#include "chrome/browser/profiles/profile_attributes_storage.h"
#include "chrome/browser/search/hotword_client.h"
#include "chrome/browser/signin/signin_manager_factory.h"
#include "chrome/browser/ui/app_list/start_page_observer.h"
#include "components/search_engines/template_url_service.h"
#include "components/search_engines/template_url_service_observer.h"
#include "components/signin/core/browser/signin_manager_base.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/app_list/app_list_view_delegate.h"
class AppListControllerDelegate;
class Profile;
namespace app_list {
class CustomLauncherPageContents;
class LauncherPageEventDispatcher;
class SearchController;
class SearchResourceManager;
class SpeechUIModel;
}
namespace base {
class FilePath;
}
namespace content {
struct SpeechRecognitionSessionPreamble;
}
#if defined(USE_ASH)
class AppSyncUIStateWatcher;
#endif
class AppListViewDelegate : public app_list::AppListViewDelegate,
public app_list::StartPageObserver,
public HotwordClient,
public ProfileAttributesStorage::Observer,
public SigninManagerBase::Observer,
public SigninManagerFactory::Observer,
public content::NotificationObserver,
public TemplateURLServiceObserver {
public:
// Constructs Chrome's AppListViewDelegate with a NULL Profile.
// Does not take ownership of |controller|. TODO(tapted): It should.
explicit AppListViewDelegate(AppListControllerDelegate* controller);
~AppListViewDelegate() override;
// Configure the AppList for the given |profile|.
void SetProfile(Profile* profile);
Profile* profile() { return profile_; }
// Invoked to start speech recognition based on a hotword trigger.
void StartSpeechRecognitionForHotword(
const scoped_refptr<content::SpeechRecognitionSessionPreamble>& preamble);
// Overridden from app_list::AppListViewDelegate:
bool ForceNativeDesktop() const override;
void SetProfileByPath(const base::FilePath& profile_path) override;
app_list::AppListModel* GetModel() override;
app_list::SpeechUIModel* GetSpeechUI() override;
void StartSearch() override;
void StopSearch() override;
void OpenSearchResult(app_list::SearchResult* result,
bool auto_launch,
int event_flags) override;
void InvokeSearchResultAction(app_list::SearchResult* result,
int action_index,
int event_flags) override;
base::TimeDelta GetAutoLaunchTimeout() override;
void AutoLaunchCanceled() override;
void ViewInitialized() override;
void Dismiss() override;
void ViewClosing() override;
void OpenHelp() override;
void OpenFeedback() override;
void StartSpeechRecognition() override;
void StopSpeechRecognition() override;
void ShowForProfileByPath(const base::FilePath& profile_path) override;
#if defined(TOOLKIT_VIEWS)
views::View* CreateStartPageWebView(const gfx::Size& size) override;
std::vector<views::View*> CreateCustomPageWebViews(
const gfx::Size& size) override;
void CustomLauncherPageAnimationChanged(double progress) override;
void CustomLauncherPagePopSubpage() override;
#endif
bool IsSpeechRecognitionEnabled() override;
const Users& GetUsers() const override;
// Overridden from TemplateURLServiceObserver:
void OnTemplateURLServiceChanged() override;
private:
// Updates the speech webview and start page for the current |profile_|.
void SetUpSearchUI();
// Updates the app list's ProfileMenuItems for the current |profile_|.
void SetUpProfileSwitcher();
// Updates the app list's custom launcher pages for the current |profile_|.
void SetUpCustomLauncherPages();
// Overridden from app_list::StartPageObserver:
void OnSpeechResult(const base::string16& result, bool is_final) override;
void OnSpeechSoundLevelChanged(int16_t level) override;
void OnSpeechRecognitionStateChanged(
app_list::SpeechRecognitionState new_state) override;
// Overridden from HotwordClient:
void OnHotwordStateChanged(bool started) override;
void OnHotwordRecognized(
const scoped_refptr<content::SpeechRecognitionSessionPreamble>& preamble)
override;
// Overridden from SigninManagerFactory::Observer:
void SigninManagerCreated(SigninManagerBase* manager) override;
void SigninManagerShutdown(SigninManagerBase* manager) override;
// Overridden from SigninManagerBase::Observer:
void GoogleSigninFailed(const GoogleServiceAuthError& error) override;
void GoogleSigninSucceeded(const std::string& account_id,
const std::string& username,
const std::string& password) override;
void GoogleSignedOut(const std::string& account_id,
const std::string& username) override;
// Overridden from ProfileAttributesStorage::Observer:
void OnProfileAdded(const base::FilePath& profile_path) override;
void OnProfileWasRemoved(const base::FilePath& profile_path,
const base::string16& profile_name) override;
void OnProfileNameChanged(const base::FilePath& profile_path,
const base::string16& old_profile_name) override;
// Overridden from content::NotificationObserver:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
// Unowned pointer to the controller.
AppListControllerDelegate* controller_;
// Unowned pointer to the associated profile. May change if SetProfileByPath
// is called.
Profile* profile_;
// Unowned pointer to the model owned by AppListSyncableService. Will change
// if |profile_| changes.
app_list::AppListModel* model_;
// Note: order ensures |search_resource_manager_| is destroyed before
// |speech_ui_|.
std::unique_ptr<app_list::SpeechUIModel> speech_ui_;
std::unique_ptr<app_list::SearchResourceManager> search_resource_manager_;
std::unique_ptr<app_list::SearchController> search_controller_;
std::unique_ptr<app_list::LauncherPageEventDispatcher>
launcher_page_event_dispatcher_;
base::TimeDelta auto_launch_timeout_;
// Determines whether the current search was initiated by speech.
bool is_voice_query_;
Users users_;
#if defined(USE_ASH)
std::unique_ptr<AppSyncUIStateWatcher> app_sync_ui_state_watcher_;
#endif
ScopedObserver<TemplateURLService, AppListViewDelegate>
template_url_service_observer_;
// Used to track the SigninManagers that this instance is observing so that
// this instance can be removed as an observer on its destruction.
ScopedObserver<SigninManagerBase, AppListViewDelegate> scoped_observer_;
// Window contents of additional custom launcher pages.
std::vector<std::unique_ptr<app_list::CustomLauncherPageContents>>
custom_page_contents_;
// Registers for NOTIFICATION_APP_TERMINATING to unload custom launcher pages.
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(AppListViewDelegate);
};
#endif // CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
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