| // Copyright 2013 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/extensions/global_shortcut_listener_ozone.h" |
| |
| #include "base/containers/contains.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "ui/base/accelerators/accelerator.h" |
| #include "ui/ozone/public/ozone_platform.h" |
| |
| using content::BrowserThread; |
| |
| namespace extensions { |
| |
| GlobalShortcutListenerOzone::GlobalShortcutListenerOzone() { |
| CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| |
| platform_global_shortcut_listener_ = |
| ui::OzonePlatform::GetInstance()->GetPlatformGlobalShortcutListener(this); |
| } |
| |
| GlobalShortcutListenerOzone::~GlobalShortcutListenerOzone() { |
| if (is_listening_) |
| StopListening(); |
| |
| if (platform_global_shortcut_listener_) |
| platform_global_shortcut_listener_->ResetDelegate(); |
| } |
| |
| void GlobalShortcutListenerOzone::StartListening() { |
| DCHECK(!is_listening_); |
| DCHECK(!registered_hot_keys_.empty()); |
| |
| if (platform_global_shortcut_listener_) |
| platform_global_shortcut_listener_->StartListening(); |
| |
| is_listening_ = true; |
| } |
| |
| void GlobalShortcutListenerOzone::StopListening() { |
| DCHECK(is_listening_); |
| DCHECK(registered_hot_keys_.empty()); |
| |
| if (platform_global_shortcut_listener_) |
| platform_global_shortcut_listener_->StopListening(); |
| |
| is_listening_ = false; |
| } |
| |
| bool GlobalShortcutListenerOzone::RegisterAcceleratorImpl( |
| const ui::Accelerator& accelerator) { |
| DCHECK(!base::Contains(registered_hot_keys_, accelerator)); |
| |
| if (!platform_global_shortcut_listener_) |
| return false; |
| |
| const bool registered = |
| platform_global_shortcut_listener_->RegisterAccelerator( |
| accelerator.key_code(), accelerator.IsAltDown(), |
| accelerator.IsCtrlDown(), accelerator.IsShiftDown()); |
| if (registered) |
| registered_hot_keys_.insert(accelerator); |
| return registered; |
| } |
| |
| void GlobalShortcutListenerOzone::UnregisterAcceleratorImpl( |
| const ui::Accelerator& accelerator) { |
| DCHECK(base::Contains(registered_hot_keys_, accelerator)); |
| // Otherwise how could the accelerator be registered? |
| DCHECK(platform_global_shortcut_listener_); |
| |
| platform_global_shortcut_listener_->UnregisterAccelerator( |
| accelerator.key_code(), accelerator.IsAltDown(), accelerator.IsCtrlDown(), |
| accelerator.IsShiftDown()); |
| registered_hot_keys_.erase(accelerator); |
| } |
| |
| void GlobalShortcutListenerOzone::OnKeyPressed(ui::KeyboardCode key_code, |
| bool is_alt_down, |
| bool is_ctrl_down, |
| bool is_shift_down) { |
| int modifiers = 0; |
| if (is_alt_down) |
| modifiers |= ui::EF_ALT_DOWN; |
| if (is_ctrl_down) |
| modifiers |= ui::EF_CONTROL_DOWN; |
| if (is_shift_down) |
| modifiers |= ui::EF_SHIFT_DOWN; |
| |
| NotifyKeyPressed(ui::Accelerator(key_code, modifiers)); |
| } |
| |
| void GlobalShortcutListenerOzone::OnPlatformListenerDestroyed() { |
| platform_global_shortcut_listener_ = nullptr; |
| } |
| |
| // static |
| GlobalShortcutListener* GlobalShortcutListener::GetInstance() { |
| CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| static GlobalShortcutListenerOzone* instance = |
| new GlobalShortcutListenerOzone(); |
| return instance; |
| } |
| |
| } // namespace extensions |