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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_APPS_MODEL_BUILDER_H_
#define CHROME_BROWSER_UI_APP_LIST_APPS_MODEL_BUILDER_H_
#include <string>
#include <vector>
#include "base/gtest_prod_util.h"
#include "chrome/browser/extensions/install_observer.h"
#include "ui/app_list/app_list_model.h"
#include "ui/base/models/list_model_observer.h"
class AppListControllerDelegate;
class ExtensionAppItem;
class ExtensionSet;
class Profile;
namespace extensions {
class Extension;
class InstallTracker;
}
namespace gfx {
class ImageSkia;
}
class AppsModelBuilder : public ui::ListModelObserver,
public extensions::InstallObserver {
public:
AppsModelBuilder(Profile* profile,
app_list::AppListModel::Apps* model,
AppListControllerDelegate* controller);
virtual ~AppsModelBuilder();
// Populates the model.
void Build();
private:
typedef std::vector<ExtensionAppItem*> Apps;
// Overridden from extensions::InstallObserver:
virtual void OnBeginExtensionInstall(const std::string& extension_id,
const std::string& extension_name,
const gfx::ImageSkia& installing_icon,
bool is_app,
bool is_platform_app) OVERRIDE;
virtual void OnDownloadProgress(const std::string& extension_id,
int percent_downloaded) OVERRIDE;
virtual void OnInstallFailure(const std::string& extension_id) OVERRIDE;
virtual void OnExtensionInstalled(
const extensions::Extension* extension) OVERRIDE;
virtual void OnExtensionUninstalled(
const extensions::Extension* extension) OVERRIDE;
virtual void OnExtensionDisabled(
const extensions::Extension* extension) OVERRIDE;
virtual void OnAppsReordered() OVERRIDE;
virtual void OnAppInstalledToAppList(
const std::string& extension_id) OVERRIDE;
virtual void OnShutdown() OVERRIDE;
// Adds apps in |extensions| to |apps|.
void AddApps(const ExtensionSet* extensions, Apps* apps);
// Populates the model with apps.
void PopulateApps();
// Re-sort apps in case app ordinal prefs are changed.
void ResortApps();
// Inserts an app based on app ordinal prefs.
void InsertApp(ExtensionAppItem* app);
// Returns the index of the application app with |app_id| in |model_|. If
// no match is found, returns -1.
int FindApp(const std::string& app_id);
// Sets which app is intended to be highlighted. Will remove the highlight
// from a currently highlighted app.
void SetHighlightedApp(const std::string& extension_id);
// Sets the application app with |highlight_app_id_| in |model_| as
// highlighted if |highlighted_app_pending_| is true. If such an app is found,
// reset |highlighted_app_pending_| so that won't be highlighted again until
// another call to SetHighlightedApp() is made.
void UpdateHighlight();
// Returns app instance at given |index|.
ExtensionAppItem* GetAppAt(size_t index);
// Returns app instance with id |extension_id|.
ExtensionAppItem* GetApp(const std::string& extension_id);
// ui::ListModelObserver overrides:
virtual void ListItemsAdded(size_t start, size_t count) OVERRIDE;
virtual void ListItemsRemoved(size_t start, size_t count) OVERRIDE;
virtual void ListItemMoved(size_t index, size_t target_index) OVERRIDE;
virtual void ListItemsChanged(size_t start, size_t count) OVERRIDE;
Profile* profile_;
AppListControllerDelegate* controller_;
// Sub apps model of AppListModel that represents apps grid view.
app_list::AppListModel::Apps* model_;
std::string highlight_app_id_;
// True if we haven't set |highlight_app_id_| to be highlighted. This happens
// if we try to highlight an app that doesn't exist in the list yet.
bool highlighted_app_pending_;
// True to ignore |model_| changes.
bool ignore_changes_;
// We listen to this to show app installing progress.
extensions::InstallTracker* tracker_;
DISALLOW_COPY_AND_ASSIGN(AppsModelBuilder);
};
#endif // CHROME_BROWSER_UI_APP_LIST_APPS_MODEL_BUILDER_H_
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