1// Copyright 2014 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 "content/browser/cocoa/system_hotkey_helper_mac.h" 6 7#include "base/bind.h" 8#include "base/files/file_path.h" 9#include "base/mac/foundation_util.h" 10#include "base/message_loop/message_loop.h" 11#include "base/metrics/histogram.h" 12#include "content/browser/cocoa/system_hotkey_map.h" 13#include "content/public/browser/browser_thread.h" 14 15namespace { 16 17NSString* kSystemHotkeyPlistExtension = 18 @"/Preferences/com.apple.symbolichotkeys.plist"; 19 20// Amount of time to delay loading the hotkeys in seconds. 21const int kLoadHotkeysDelaySeconds = 10; 22 23} // namespace 24 25namespace content { 26 27// static 28SystemHotkeyHelperMac* SystemHotkeyHelperMac::GetInstance() { 29 return Singleton<SystemHotkeyHelperMac>::get(); 30} 31 32void SystemHotkeyHelperMac::DeferredLoadSystemHotkeys() { 33 BrowserThread::PostDelayedTask( 34 BrowserThread::FILE, 35 FROM_HERE, 36 base::Bind(&SystemHotkeyHelperMac::LoadSystemHotkeys, 37 base::Unretained(this)), 38 base::TimeDelta::FromSeconds(kLoadHotkeysDelaySeconds)); 39} 40 41SystemHotkeyHelperMac::SystemHotkeyHelperMac() : map_(new SystemHotkeyMap) { 42} 43 44SystemHotkeyHelperMac::~SystemHotkeyHelperMac() { 45} 46 47void SystemHotkeyHelperMac::LoadSystemHotkeys() { 48 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); 49 50 std::string library_path(base::mac::GetUserLibraryPath().value()); 51 NSString* expanded_file_path = 52 [NSString stringWithFormat:@"%s%@", 53 library_path.c_str(), 54 kSystemHotkeyPlistExtension]; 55 56 // Loads the file into memory. 57 NSData* data = [NSData dataWithContentsOfFile:expanded_file_path]; 58 // Intentionally create the object with +1 retain count, as FileDidLoad 59 // will destroy the object. 60 NSDictionary* dictionary = [SystemHotkeyMap::DictionaryFromData(data) retain]; 61 62 BrowserThread::PostTask(BrowserThread::UI, 63 FROM_HERE, 64 base::Bind(&SystemHotkeyHelperMac::FileDidLoad, 65 base::Unretained(this), 66 dictionary)); 67} 68 69void SystemHotkeyHelperMac::FileDidLoad(NSDictionary* dictionary) { 70 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 71 72 bool success = map()->ParseDictionary(dictionary); 73 UMA_HISTOGRAM_BOOLEAN("OSX.SystemHotkeyMap.LoadSuccess", success); 74 [dictionary release]; 75} 76 77} // namespace content 78