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Unified Diff: chrome/browser/ui/zoom/zoom_level_prefs_store_impl.h

Issue 541103002: Introduce ChromeZoomLevelPref, make zoom level prefs independent of profile prefs. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase to fix scoped_refptr conversion. Created 6 years, 3 months ago
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Index: chrome/browser/ui/zoom/zoom_level_prefs_store_impl.h
diff --git a/chrome/browser/ui/zoom/zoom_level_prefs_store_impl.h b/chrome/browser/ui/zoom/zoom_level_prefs_store_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..d1c25f4518a86e39847bb867e9ce41463d14fdbe
--- /dev/null
+++ b/chrome/browser/ui/zoom/zoom_level_prefs_store_impl.h
@@ -0,0 +1,57 @@
+// Copyright (c) 2014 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_ZOOM_ZOOM_LEVEL_PREFS_STORE_IMPL_H_
+#define CHROME_BROWSER_UI_ZOOM_ZOOM_LEVEL_PREFS_STORE_IMPL_H_
+
+#include "content/public/browser/zoom_level_prefs_store.h"
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/prefs/json_pref_store.h"
+#include "base/prefs/pref_store.h"
+#include "chrome/browser/prefs/pref_service_syncable.h"
+#include "content/public/browser/host_zoom_map.h"
+
+namespace chrome {
+
+// A class to implement ZoomLevelPrefsStore. It also implements
+// PrefStore::Observer so that it can track changes to the prefs.
+// Finally, the prefs are also updated in response to zoom events
+// from HostZoomMap.
+class ZoomLevelPrefsStoreImpl : public PrefStore::Observer,
+ public content::ZoomLevelPrefsStore {
+ public:
+ ZoomLevelPrefsStoreImpl();
+ virtual ~ZoomLevelPrefsStoreImpl();
+ void OnZoomLevelChanged(const content::HostZoomMap::ZoomLevelChange& change);
sky 2014/09/05 19:28:07 nit: newline between 28/29. Why is this public?
wjmaclean 2014/09/05 21:01:47 Done.
+
+ // Implement ZoomLevelPrefsStore.
+ virtual void InitPrefsAndCopyToHostZoomMap(
+ const base::FilePath& file_path,
+ content::HostZoomMap* host_zoom_map) OVERRIDE;
+ virtual PrefService* GetPrefs() OVERRIDE;
+
+ // Implement PrefObserver.
+ virtual void OnPrefValueChanged(const std::string& key) OVERRIDE;
+ virtual void OnInitializationCompleted(bool succeeded) OVERRIDE;
+
+ // TODO(wjmaclean): remove this when migration is complete.
+ virtual void SetInitCallback(const base::Closure& callback);
+
+ private:
+
sky 2014/09/05 19:28:07 nit: remove newline.
wjmaclean 2014/09/05 21:01:47 Done.
+ base::Closure callback_;
+ scoped_refptr<JsonPrefStore> zoom_level_prefs_;
+ scoped_ptr<PrefServiceSyncable> pref_service_;
+ scoped_ptr<content::HostZoomMap::Subscription> zoom_subscription_;
+ content::HostZoomMap* host_zoom_map_;
+
+ DISALLOW_COPY_AND_ASSIGN(ZoomLevelPrefsStoreImpl);
+};
+
+} // namespace chrome
+
+#endif // CHROME_BROWSER_UI_ZOOM_ZOOM_LEVEL_PREFS_STORE_IMPL_H_

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