// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.

#include "atom/browser/browser.h"

#include "atom/browser/mac/atom_application.h"
#include "atom/browser/mac/atom_application_delegate.h"
#include "atom/browser/mac/dict_util.h"
#include "atom/browser/native_window.h"
#include "atom/browser/window_list.h"
#include "base/mac/bundle_locations.h"
#include "base/mac/foundation_util.h"
#include "base/strings/sys_string_conversions.h"
#include "brightray/common/application_info.h"
#include "net/base/mac/url_conversions.h"
#include "url/gurl.h"

namespace atom {

void Browser::Focus() {
  [[AtomApplication sharedApplication] activateIgnoringOtherApps:YES];
}

void Browser::Hide() {
  [[AtomApplication sharedApplication] hide:nil];
}

void Browser::Show() {
  [[AtomApplication sharedApplication] unhide:nil];
}

void Browser::AddRecentDocument(const base::FilePath& path) {
  NSString* path_string = base::mac::FilePathToNSString(path);
  if (!path_string)
    return;
  NSURL* u = [NSURL fileURLWithPath:path_string];
  if (!u)
    return;
  [[NSDocumentController sharedDocumentController] noteNewRecentDocumentURL:u];
}

void Browser::ClearRecentDocuments() {
  [[NSDocumentController sharedDocumentController] clearRecentDocuments:nil];
}

bool Browser::RemoveAsDefaultProtocolClient(const std::string& protocol) {
  NSString* identifier = [base::mac::MainBundle() bundleIdentifier];
  if (!identifier)
    return false;

  if (!Browser::IsDefaultProtocolClient(protocol))
    return false;

  NSString* protocol_ns = [NSString stringWithUTF8String:protocol.c_str()];
  CFStringRef protocol_cf = base::mac::NSToCFCast(protocol_ns);
  CFArrayRef bundleList = LSCopyAllHandlersForURLScheme(protocol_cf);
  if (!bundleList) {
    return false;
  }
  // On Mac OS X, we can't query the default, but the handlers list seems to put
  // Apple's defaults first, so we'll use the first option that isn't our bundle
  CFStringRef other = nil;
  for (CFIndex i = 0; i < CFArrayGetCount(bundleList); i++) {
    other = (CFStringRef)CFArrayGetValueAtIndex(bundleList, i);
    if (![identifier isEqualToString: (__bridge NSString *)other]) {
      break;
    }
  }

  OSStatus return_code = LSSetDefaultHandlerForURLScheme(protocol_cf, other);
  return return_code == noErr;
}

bool Browser::SetAsDefaultProtocolClient(const std::string& protocol) {
  if (protocol.empty())
    return false;

  NSString* identifier = [base::mac::MainBundle() bundleIdentifier];
  if (!identifier)
    return false;

  NSString* protocol_ns = [NSString stringWithUTF8String:protocol.c_str()];
  OSStatus return_code =
      LSSetDefaultHandlerForURLScheme(base::mac::NSToCFCast(protocol_ns),
                                      base::mac::NSToCFCast(identifier));
  return return_code == noErr;
}

bool Browser::IsDefaultProtocolClient(const std::string& protocol) {
  if (protocol.empty())
    return false;

  NSString* identifier = [base::mac::MainBundle() bundleIdentifier];
  if (!identifier)
    return false;

  NSString* protocol_ns = [NSString stringWithUTF8String:protocol.c_str()];

  CFStringRef bundle =
      LSCopyDefaultHandlerForURLScheme(base::mac::NSToCFCast(protocol_ns));
  NSString* bundleId = static_cast<NSString*>(
      base::mac::CFTypeRefToNSObjectAutorelease(bundle));
  if (!bundleId)
    return false;

  // Ensure the comparison is case-insensitive
  // as LS does not persist the case of the bundle id.
  NSComparisonResult result =
      [bundleId caseInsensitiveCompare:identifier];
  return result == NSOrderedSame;
}

void Browser::SetAppUserModelID(const base::string16& name) {
}

void Browser::SetUserActivity(const std::string& type,
                              const base::DictionaryValue& user_info,
                              mate::Arguments* args) {
  std::string url_string;
  args->GetNext(&url_string);

  [[AtomApplication sharedApplication]
      setCurrentActivity:base::SysUTF8ToNSString(type)
            withUserInfo:DictionaryValueToNSDictionary(user_info)
          withWebpageURL:net::NSURLWithGURL(GURL(url_string))];
}

std::string Browser::GetCurrentActivityType() {
  NSUserActivity* userActivity =
      [[AtomApplication sharedApplication] getCurrentActivity];
  return base::SysNSStringToUTF8(userActivity.activityType);
}

bool Browser::ContinueUserActivity(const std::string& type,
                                   const base::DictionaryValue& user_info) {
  bool prevent_default = false;
  FOR_EACH_OBSERVER(BrowserObserver,
                    observers_,
                    OnContinueUserActivity(&prevent_default, type, user_info));
  return prevent_default;
}

std::string Browser::GetExecutableFileVersion() const {
  return brightray::GetApplicationVersion();
}

std::string Browser::GetExecutableFileProductName() const {
  return brightray::GetApplicationName();
}

int Browser::DockBounce(BounceType type) {
  return [[AtomApplication sharedApplication]
      requestUserAttention:(NSRequestUserAttentionType)type];
}

void Browser::DockCancelBounce(int request_id) {
  [[AtomApplication sharedApplication] cancelUserAttentionRequest:request_id];
}

void Browser::DockSetBadgeText(const std::string& label) {
  NSDockTile *tile = [[AtomApplication sharedApplication] dockTile];
  [tile setBadgeLabel:base::SysUTF8ToNSString(label)];
}

void Browser::DockDownloadFinished(const std::string& filePath) {
  [[NSDistributedNotificationCenter defaultCenter]
      postNotificationName: @"com.apple.DownloadFileFinished"
                    object: base::SysUTF8ToNSString(filePath)];
}

std::string Browser::DockGetBadgeText() {
  NSDockTile *tile = [[AtomApplication sharedApplication] dockTile];
  return base::SysNSStringToUTF8([tile badgeLabel]);
}

void Browser::DockHide() {
  WindowList* list = WindowList::GetInstance();
  for (WindowList::iterator it = list->begin(); it != list->end(); ++it)
    [(*it)->GetNativeWindow() setCanHide:NO];

  ProcessSerialNumber psn = { 0, kCurrentProcess };
  TransformProcessType(&psn, kProcessTransformToUIElementApplication);
}

void Browser::DockShow() {
  BOOL active = [[NSRunningApplication currentApplication] isActive];
  ProcessSerialNumber psn = { 0, kCurrentProcess };
  if (active) {
    // Workaround buggy behavior of TransformProcessType.
    // http://stackoverflow.com/questions/7596643/
    NSArray* runningApps = [NSRunningApplication
        runningApplicationsWithBundleIdentifier:@"com.apple.dock"];
    for (NSRunningApplication* app in runningApps) {
      [app activateWithOptions:NSApplicationActivateIgnoringOtherApps];
      break;
    }
    dispatch_time_t one_ms = dispatch_time(DISPATCH_TIME_NOW, USEC_PER_SEC);
    dispatch_after(one_ms, dispatch_get_main_queue(), ^{
      TransformProcessType(&psn, kProcessTransformToForegroundApplication);
      dispatch_time_t one_ms = dispatch_time(DISPATCH_TIME_NOW, USEC_PER_SEC);
      dispatch_after(one_ms, dispatch_get_main_queue(), ^{
        [[NSRunningApplication currentApplication]
            activateWithOptions:NSApplicationActivateIgnoringOtherApps];
      });
    });
  } else {
    TransformProcessType(&psn, kProcessTransformToForegroundApplication);
  }
}

void Browser::DockSetMenu(ui::MenuModel* model) {
  AtomApplicationDelegate* delegate = (AtomApplicationDelegate*)[NSApp delegate];
  [delegate setApplicationDockMenu:model];
}

void Browser::DockSetIcon(const gfx::Image& image) {
  [[AtomApplication sharedApplication]
      setApplicationIconImage:image.AsNSImage()];
}

}  // namespace atom