blob: 9bd10f3f77c36df58a8db153b28be76cd0a12e53 [file] [log] [blame]
// Copyright 2016 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 "chrome/browser/media/router/issues_observer.h"
#include "chrome/browser/media/router/media_routes_observer.h"
#include "chrome/browser/profiles/profile.h"
#include "components/prefs/pref_change_registrar.h"
class ComponentActionDelegate;
// Controller for MediaRouterAction that determines when to show and hide the
// action icon on the toolbar. There should be one instance of this class per
// profile, and it should only be used on the UI thread.
class MediaRouterActionController : public media_router::IssuesObserver,
public media_router::MediaRoutesObserver {
explicit MediaRouterActionController(Profile* profile);
// Constructor for injecting dependencies in tests.
Profile* profile,
media_router::MediaRouter* router,
ComponentActionDelegate* component_action_delegate);
~MediaRouterActionController() override;
// Whether the media router action is shown by an administrator policy.
static bool IsActionShownByPolicy(Profile* profile);
// Gets and sets the preference for whether the media router action should be
// pinned to the toolbar/overflow menu.
static bool GetAlwaysShowActionPref(Profile* profile);
static void SetAlwaysShowActionPref(Profile* profile, bool always_show);
// media_router::IssuesObserver:
void OnIssue(const media_router::Issue& issue) override;
void OnIssuesCleared() override;
// media_router::MediaRoutesObserver:
void OnRoutesUpdated(const std::vector<media_router::MediaRoute>& routes,
const std::vector<media_router::MediaRoute::Id>&
joinable_route_ids) override;
// Called when a Media Router dialog is shown or hidden, and updates the
// visibility of the action icon. Overridden in tests.
virtual void OnDialogShown();
virtual void OnDialogHidden();
friend class MediaRouterActionControllerUnitTest;
// Adds or removes the Media Router action icon to/from
// |component_action_delegate_| if necessary, depending on whether or not
// we have issues, local routes or a dialog.
virtual void MaybeAddOrRemoveAction();
// Returns |true| if the Media Router action should be present on the toolbar
// or the overflow menu.
bool ShouldEnableAction() const;
// The profile |this| is associated with. There should be one instance of this
// class per profile.
Profile* const profile_;
// The delegate that is responsible for showing and hiding the icon on the
// toolbar. It outlives |this|.
ComponentActionDelegate* const component_action_delegate_;
bool has_issue_ = false;
bool has_local_display_route_ = false;
// Whether the media router action is shown by an administrator policy.
bool shown_by_policy_;
// The number of dialogs that are currently open.
size_t dialog_count_ = 0;
PrefChangeRegistrar pref_change_registrar_;