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Unified Diff: chrome/browser/ui/app_list/arc/arc_app_list_prefs.h

Issue 1413153007: arc-app-launcher: Minimal support for ARC app launcher. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Added missing links to BUILD.gn Created 5 years ago
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Index: chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
diff --git a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
new file mode 100644
index 0000000000000000000000000000000000000000..a8e7bbae9aa1fb30e6577afb1e5de170fde72fa4
--- /dev/null
+++ b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
@@ -0,0 +1,148 @@
+// Copyright 2015 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_ARC_ARC_APP_LIST_PREFS_H_
+#define CHROME_BROWSER_UI_APP_LIST_ARC_ARC_APP_LIST_PREFS_H_
+
+#include <map>
+#include <set>
+#include <vector>
+
+#include "base/files/file_path.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "base/observer_list.h"
+#include "components/arc/arc_bridge_service.h"
+#include "components/keyed_service/core/keyed_service.h"
+#include "ui/base/layout.h"
+
+class PrefService;
+
+namespace content {
+class BrowserContext;
+}
+
+namespace user_prefs {
+class PrefRegistrySyncable;
+}
+
+// Declares shareable ARC app specific preferences, that keep information
+// about app attributes (name, package, activity) and its state. This
+// information is used to pre-create non-ready app items while ARC bridge
+// service is not ready to provide information about available ARC apps.
+class ArcAppListPrefs : public KeyedService,
+ public arc::ArcBridgeService::Observer,
+ public arc::ArcBridgeService::AppObserver {
+ public:
+ struct AppInfo {
+ AppInfo(const std::string& name,
+ const std::string& package,
+ const std::string& activity,
+ bool ready);
+
+ std::string name;
+ std::string package;
+ std::string activity;
+ bool ready;
+ };
+
+ class Observer {
+ public:
+ // Notifies an observer that new app is registered.
+ virtual void OnAppRegistered(const std::string& app_id,
+ const AppInfo& app_info) = 0;
+ // Notifies an observer that app ready state has been changed.
+ virtual void OnAppReadyChanged(const std::string& id, bool ready) = 0;
+ // Notifies an observer that app icon has been installed or updated.
+ virtual void OnAppIconUpdated(const std::string& id,
+ ui::ScaleFactor scale_factor) = 0;
+ protected:
+ virtual ~Observer() {}
+ };
+
+ static ArcAppListPrefs* Create(const base::FilePath& base_path,
+ PrefService* prefs);
+
+ // Convenience function to get the ArcAppListPrefs for a BrowserContext.
+ static ArcAppListPrefs* Get(content::BrowserContext* context);
+
+ // Constructs unique id based on package and activity information. This id
+ // is safe to use at file paths and as preference keys.
+ static std::string GetAppId(const std::string& package,
+ const std::string& activity);
+
+ // It is called from chrome/browser/prefs/browser_prefs.cc.
+ static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
+
+ ~ArcAppListPrefs() override;
+
+ // Returns a list of all app ids, including ready and non-ready apps.
+ std::vector<std::string> GetAppIds() const;
+
+ // Extracts attributes of an app based on its id. Returns NULL if the app is
+ // not found.
+ scoped_ptr<AppInfo> GetApp(const std::string& app_id) const;
+
+ // Constructs path to app icon for specific scale factor.
+ base::FilePath GetIconPath(const std::string& app_id,
+ ui::ScaleFactor scale_factor) const;
+
+ // Requests to load an app icon for specific scale factor. If the app or Arc
+ // bridge service is not ready, then defer this request until the app gets
+ // available. Once new icon is installed notifies an observer
+ // OnAppIconUpdated.
+ void RequestIcon(const std::string& app_id, ui::ScaleFactor scale_factor);
+
+ // Returns true if app is registered.
+ bool IsRegistered(const std::string& app_id);
+
+ void AddObserver(Observer* observer);
+ void RemoveObserver(Observer* observer);
+
+ // arc::ArcBridgeService::Observer
+ void OnStateChanged(arc::ArcBridgeService::State state) override;
+ void OnAppListRefreshed(const std::vector<arc::AppInfo>& apps) override;
+ void OnAppIcon(const std::string& package,
+ const std::string& activity,
+ arc::ScaleFactor scale_factor,
+ const std::vector<uint8_t>& icon_png_data) override;
+
+ private:
+ // See the Create methods.
+ ArcAppListPrefs(const base::FilePath& base_path, PrefService* prefs);
+
+ void OnAppReady(const arc::AppInfo& app);
+ void DisableAllApps();
+
+ // Installs an icon to file system in the special folder of the profile
+ // directory.
+ void InstallIcon(const std::string& app_id,
+ ui::ScaleFactor scale_factor,
+ const std::vector<uint8>& contentPng);
+ void OnIconInstalled(const std::string& app_id,
+ ui::ScaleFactor scale_factor,
+ bool install_succeed);
+
+ // Owned by the BrowserContext.
+ PrefService* prefs_;
+
+ // List of observers.
+ base::ObserverList<Observer> observer_list_;
+ // Keeps root folder where ARC app icons for different scale factor are
+ // stored.
+ base::FilePath base_path_;
+ // Contains set of ARC apps that are currently ready.
+ std::set<std::string> ready_apps_;
+ // Keeps deferred icon load requests. Each app may contain several requests
+ // for different scale factor. Scale factor is defined by specific bit
+ // position.
+ std::map<std::string, uint32> request_icon_deferred_;
+
+ base::WeakPtrFactory<ArcAppListPrefs> weak_ptr_factory_;
+
+ DISALLOW_COPY_AND_ASSIGN(ArcAppListPrefs);
+};
+
+#endif // CHROME_BROWSER_UI_APP_LIST_ARC_ARC_APP_LIST_PREFS_H_
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