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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "chrome/browser/accessibility/accessibility_notifier.h" |
| 6 |
| 7 #include "base/prefs/pref_service.h" |
| 8 #include "chrome/browser/accessibility/animation_policy_prefs.h" |
| 9 #include "chrome/browser/chrome_notification_types.h" |
| 10 #include "chrome/browser/chromeos/profiles/profile_helper.h" |
| 11 #include "chrome/browser/profiles/profile.h" |
| 12 #include "chrome/common/pref_names.h" |
| 13 #include "content/public/browser/browser_accessibility_state.h" |
| 14 #include "content/public/browser/notification_details.h" |
| 15 #include "content/public/browser/notification_service.h" |
| 16 #include "content/public/browser/notification_source.h" |
| 17 |
| 18 AccessibilityNotifier::AccessibilityNotifier(Profile* profile) |
| 19 : profile_(profile), animation_policy_(ANIMATION_POLICY_ALLOWED) { |
| 20 SetProfile(profile); |
| 21 } |
| 22 |
| 23 AccessibilityNotifier::~AccessibilityNotifier() { |
| 24 } |
| 25 |
| 26 void AccessibilityNotifier::Shutdown() { |
| 27 pref_change_registrar_.reset(); |
| 28 } |
| 29 |
| 30 void AccessibilityNotifier::SetProfile(Profile* profile) { |
| 31 pref_change_registrar_.reset(); |
| 32 if (profile) { |
| 33 profile_ = profile; |
| 34 pref_change_registrar_.reset(new PrefChangeRegistrar); |
| 35 pref_change_registrar_->Init(profile->GetPrefs()); |
| 36 pref_change_registrar_->Add( |
| 37 prefs::kAnimationPolicy, |
| 38 base::Bind(&AccessibilityNotifier::UpdateAnimationPolicyFromPref, |
| 39 base::Unretained(this))); |
| 40 } |
| 41 } |
| 42 |
| 43 void AccessibilityNotifier::UpdateAnimationPolicyFromPref() { |
| 44 PrefService* pref_service = profile_->GetPrefs(); |
| 45 std::string image_animation_policy = |
| 46 pref_service->GetString(prefs::kAnimationPolicy); |
| 47 AnimationPolicy animation_policy_from_prefs = ANIMATION_POLICY_ALLOWED; |
| 48 if (image_animation_policy == chrome::kAnimationPolicyOnce) |
| 49 animation_policy_from_prefs = ANIMATION_POLICY_ANIMATION_ONCE; |
| 50 else if (image_animation_policy == chrome::kAnimationPolicyNone) |
| 51 animation_policy_from_prefs = ANIMATION_POLICY_NO_ANIMATION; |
| 52 |
| 53 if (animation_policy_ == animation_policy_from_prefs) |
| 54 return; |
| 55 |
| 56 animation_policy_ = animation_policy_from_prefs; |
| 57 content::BrowserAccessibilityState::GetInstance()->UpdateAnimationPolicy(); |
| 58 } |
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