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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_ASH_LAUNCHER_BROWSER_LAUNCHER_ITEM_CONTROLLER_H_
#define CHROME_BROWSER_UI_ASH_LAUNCHER_BROWSER_LAUNCHER_ITEM_CONTROLLER_H_
#include <string>
#include "ash/launcher/launcher_types.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "base/string16.h"
#include "chrome/browser/ui/ash/launcher/launcher_favicon_loader.h"
#include "chrome/browser/ui/ash/launcher/launcher_item_controller.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "ui/aura/window_observer.h"
class Browser;
class LauncherFaviconLoader;
class TabContents;
namespace ash {
class LauncherModel;
}
// BrowserLauncherItemController is responsible for keeping the launcher
// representation of a window up to date as the active tab changes.
class BrowserLauncherItemController : public LauncherItemController,
public TabStripModelObserver,
public LauncherFaviconLoader::Delegate,
public aura::WindowObserver {
public:
// This API is to be used as part of testing only.
class TestApi {
public:
explicit TestApi(BrowserLauncherItemController* controller)
: controller_(controller) {}
~TestApi() {}
// Returns the launcher id for the browser window.
ash::LauncherID item_id() const { return controller_->launcher_id(); }
private:
BrowserLauncherItemController* controller_;
};
BrowserLauncherItemController(Type type,
aura::Window* window,
TabStripModel* tab_model,
ChromeLauncherController* launcher_controller,
const std::string& app_id);
virtual ~BrowserLauncherItemController();
// Sets up this BrowserLauncherItemController.
void Init();
// Creates and returns a new BrowserLauncherItemController for |browser|. This
// returns NULL if a BrowserLauncherItemController is not needed for the
// specified browser.
static BrowserLauncherItemController* Create(Browser* browser);
LauncherFaviconLoader* favicon_loader() const {
return favicon_loader_.get();
}
// Call to indicate that the window the tabcontents are in has changed its
// activation state.
void BrowserActivationStateChanged();
// LauncherItemController overrides:
virtual string16 GetTitle() OVERRIDE;
virtual bool HasWindow(aura::Window* window) const OVERRIDE;
virtual void Open() OVERRIDE;
virtual void Close() OVERRIDE;
virtual void Clicked() OVERRIDE;
// TabStripModel overrides:
virtual void ActiveTabChanged(TabContents* old_contents,
TabContents* new_contents,
int index,
bool user_gesture) OVERRIDE;
virtual void TabInsertedAt(TabContents* contents,
int index,
bool foreground) OVERRIDE;
virtual void TabDetachedAt(TabContents* contents, int index) OVERRIDE;
virtual void TabChangedAt(
TabContents* tab,
int index,
TabStripModelObserver::TabChangeType change_type) OVERRIDE;
virtual void TabReplacedAt(TabStripModel* tab_strip_model,
TabContents* old_contents,
TabContents* new_contents,
int index) OVERRIDE;
// LauncherFaviconLoader::Delegate overrides:
virtual void FaviconUpdated() OVERRIDE;
// aura::WindowObserver overrides:
virtual void OnWindowPropertyChanged(aura::Window* window,
const void* key,
intptr_t old) OVERRIDE;
private:
FRIEND_TEST_ALL_PREFIXES(BrowserLauncherItemControllerTest, PanelItem);
// Used to identify what an update corresponds to.
enum UpdateType {
UPDATE_TAB_REMOVED,
UPDATE_TAB_CHANGED,
UPDATE_TAB_INSERTED,
};
// Updates the launcher item status base on the activation and attention
// state of the window.
void UpdateItemStatus();
// Updates the launcher from |tab|.
void UpdateLauncher(TabContents* tab);
void UpdateAppState(TabContents* tab);
ash::LauncherModel* launcher_model();
// Browser window we're in.
aura::Window* window_;
TabStripModel* tab_model_;
const std::string app_id_;
// Whether this is associated with an incognito profile.
const bool is_incognito_;
// Loads launcher sized favicons for panels.
scoped_ptr<LauncherFaviconLoader> favicon_loader_;
DISALLOW_COPY_AND_ASSIGN(BrowserLauncherItemController);
};
#endif // CHROME_BROWSER_UI_ASH_LAUNCHER_BROWSER_LAUNCHER_ITEM_CONTROLLER_H_
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