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      1 // Copyright 2013 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/extensions/global_shortcut_listener_ozone.h"
      6 
      7 #include "content/public/browser/browser_thread.h"
      8 
      9 using content::BrowserThread;
     10 
     11 namespace extensions {
     12 
     13 // static
     14 GlobalShortcutListener* GlobalShortcutListener::GetInstance() {
     15   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     16   static GlobalShortcutListenerOzone* instance =
     17       new GlobalShortcutListenerOzone();
     18   return instance;
     19 }
     20 
     21 GlobalShortcutListenerOzone::GlobalShortcutListenerOzone()
     22     : is_listening_(false) {
     23   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     24 
     25   // TODO(implementor): Remove this.
     26   LOG(ERROR) << "GlobalShortcutListenerOzone object created";
     27 }
     28 
     29 GlobalShortcutListenerOzone::~GlobalShortcutListenerOzone() {
     30   if (is_listening_)
     31     StopListening();
     32 }
     33 
     34 void GlobalShortcutListenerOzone::StartListening() {
     35   DCHECK(!is_listening_);  // Don't start twice.
     36   NOTIMPLEMENTED();
     37   is_listening_ = true;
     38 }
     39 
     40 void GlobalShortcutListenerOzone::StopListening() {
     41   DCHECK(is_listening_);  // No point if we are not already listening.
     42   NOTIMPLEMENTED();
     43   is_listening_ = false;
     44 }
     45 
     46 bool GlobalShortcutListenerOzone::RegisterAcceleratorImpl(
     47     const ui::Accelerator& accelerator) {
     48   NOTIMPLEMENTED();
     49   // To implement:
     50   // 1) Convert modifiers to platform specific modifiers.
     51   // 2) Register for the hotkey.
     52   // 3) If not successful, return false.
     53   // 4) Else, return true.
     54 
     55   return false;
     56 }
     57 
     58 void GlobalShortcutListenerOzone::UnregisterAcceleratorImpl(
     59     const ui::Accelerator& accelerator) {
     60   NOTIMPLEMENTED();
     61   // To implement: Unregister for the hotkey.
     62 }
     63 
     64 }  // namespace extensions
     65