| // Copyright (c) 2012 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. |
| |
| #include "ui/aura/remote_root_window_host_win.h" |
| |
| #include <windows.h> |
| |
| #include <algorithm> |
| |
| #include "base/message_loop/message_loop.h" |
| #include "ipc/ipc_message.h" |
| #include "ipc/ipc_sender.h" |
| #include "ui/aura/client/cursor_client.h" |
| #include "ui/aura/root_window.h" |
| #include "ui/base/cursor/cursor_loader_win.h" |
| #include "ui/events/event_utils.h" |
| #include "ui/events/keycodes/keyboard_code_conversion_win.h" |
| #include "ui/base/view_prop.h" |
| #include "ui/gfx/insets.h" |
| #include "ui/metro_viewer/metro_viewer_messages.h" |
| |
| namespace aura { |
| |
| namespace { |
| |
| const char* kRootWindowHostWinKey = "__AURA_REMOTE_ROOT_WINDOW_HOST_WIN__"; |
| |
| // Sets the keystate for the virtual key passed in to down or up. |
| void SetKeyState(uint8* key_states, bool key_down, uint32 virtual_key_code) { |
| DCHECK(key_states); |
| |
| if (key_down) |
| key_states[virtual_key_code] |= 0x80; |
| else |
| key_states[virtual_key_code] &= 0x7F; |
| } |
| |
| // Sets the keyboard states for the Shift/Control/Alt/Caps lock keys. |
| void SetVirtualKeyStates(uint32 flags) { |
| uint8 keyboard_state[256] = {0}; |
| ::GetKeyboardState(keyboard_state); |
| |
| SetKeyState(keyboard_state, !!(flags & ui::EF_SHIFT_DOWN), VK_SHIFT); |
| SetKeyState(keyboard_state, !!(flags & ui::EF_CONTROL_DOWN), VK_CONTROL); |
| SetKeyState(keyboard_state, !!(flags & ui::EF_ALT_DOWN), VK_MENU); |
| SetKeyState(keyboard_state, !!(flags & ui::EF_CAPS_LOCK_DOWN), VK_CAPITAL); |
| SetKeyState(keyboard_state, !!(flags & ui::EF_LEFT_MOUSE_BUTTON), VK_LBUTTON); |
| SetKeyState(keyboard_state, !!(flags & ui::EF_RIGHT_MOUSE_BUTTON), |
| VK_RBUTTON); |
| SetKeyState(keyboard_state, !!(flags & ui::EF_MIDDLE_MOUSE_BUTTON), |
| VK_MBUTTON); |
| |
| ::SetKeyboardState(keyboard_state); |
| } |
| |
| } // namespace |
| |
| void HandleOpenFile(const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| const OpenFileCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| DCHECK(aura::RemoteRootWindowHostWin::Instance()); |
| aura::RemoteRootWindowHostWin::Instance()->HandleOpenFile(title, |
| default_path, |
| filter, |
| on_success, |
| on_failure); |
| } |
| |
| void HandleOpenMultipleFiles(const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| const OpenMultipleFilesCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| DCHECK(aura::RemoteRootWindowHostWin::Instance()); |
| aura::RemoteRootWindowHostWin::Instance()->HandleOpenMultipleFiles( |
| title, |
| default_path, |
| filter, |
| on_success, |
| on_failure); |
| } |
| |
| void HandleSaveFile(const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| int filter_index, |
| const base::string16& default_extension, |
| const SaveFileCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| DCHECK(aura::RemoteRootWindowHostWin::Instance()); |
| aura::RemoteRootWindowHostWin::Instance()->HandleSaveFile(title, |
| default_path, |
| filter, |
| filter_index, |
| default_extension, |
| on_success, |
| on_failure); |
| } |
| |
| void HandleSelectFolder(const base::string16& title, |
| const SelectFolderCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| DCHECK(aura::RemoteRootWindowHostWin::Instance()); |
| aura::RemoteRootWindowHostWin::Instance()->HandleSelectFolder(title, |
| on_success, |
| on_failure); |
| } |
| |
| void HandleActivateDesktop(const base::FilePath& shortcut, |
| const ActivateDesktopCompleted& on_success) { |
| DCHECK(aura::RemoteRootWindowHostWin::Instance()); |
| aura::RemoteRootWindowHostWin::Instance()->HandleActivateDesktop(shortcut, |
| on_success); |
| } |
| |
| RemoteRootWindowHostWin* g_instance = NULL; |
| |
| RemoteRootWindowHostWin* RemoteRootWindowHostWin::Instance() { |
| if (g_instance) |
| return g_instance; |
| return Create(gfx::Rect()); |
| } |
| |
| RemoteRootWindowHostWin* RemoteRootWindowHostWin::Create( |
| const gfx::Rect& bounds) { |
| g_instance = g_instance ? g_instance : new RemoteRootWindowHostWin(bounds); |
| return g_instance; |
| } |
| |
| RemoteRootWindowHostWin::RemoteRootWindowHostWin(const gfx::Rect& bounds) |
| : remote_window_(NULL), |
| delegate_(NULL), |
| host_(NULL), |
| ignore_mouse_moves_until_set_cursor_ack_(false), |
| event_flags_(0) { |
| prop_.reset(new ui::ViewProp(NULL, kRootWindowHostWinKey, this)); |
| } |
| |
| RemoteRootWindowHostWin::~RemoteRootWindowHostWin() { |
| g_instance = NULL; |
| } |
| |
| void RemoteRootWindowHostWin::Connected(IPC::Sender* host, HWND remote_window) { |
| CHECK(host_ == NULL); |
| host_ = host; |
| remote_window_ = remote_window; |
| } |
| |
| void RemoteRootWindowHostWin::Disconnected() { |
| CHECK(host_ != NULL); |
| host_ = NULL; |
| remote_window_ = NULL; |
| } |
| |
| bool RemoteRootWindowHostWin::OnMessageReceived(const IPC::Message& message) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(RemoteRootWindowHostWin, message) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MouseMoved, OnMouseMoved) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MouseButton, OnMouseButton) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_KeyDown, OnKeyDown) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_KeyUp, OnKeyUp) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_Character, OnChar) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_WindowActivated, |
| OnWindowActivated) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_TouchDown, |
| OnTouchDown) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_TouchUp, |
| OnTouchUp) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_TouchMoved, |
| OnTouchMoved) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_FileSaveAsDone, |
| OnFileSaveAsDone) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_FileOpenDone, |
| OnFileOpenDone) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MultiFileOpenDone, |
| OnMultiFileOpenDone) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SelectFolderDone, |
| OnSelectFolderDone) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetCursorPosAck, |
| OnSetCursorPosAck) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_WindowSizeChanged, |
| OnWindowSizeChanged) |
| IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ActivateDesktopDone, |
| OnDesktopActivated) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| void RemoteRootWindowHostWin::HandleOpenURLOnDesktop( |
| const base::FilePath& shortcut, |
| const base::string16& url) { |
| if (!host_) |
| return; |
| host_->Send(new MetroViewerHostMsg_OpenURLOnDesktop(shortcut, url)); |
| } |
| |
| void RemoteRootWindowHostWin::HandleActivateDesktop( |
| const base::FilePath& shortcut, |
| const ActivateDesktopCompleted& on_success) { |
| if (!host_) |
| return; |
| DCHECK(activate_completed_callback_.is_null()); |
| activate_completed_callback_ = on_success; |
| host_->Send(new MetroViewerHostMsg_ActivateDesktop(shortcut)); |
| } |
| |
| void RemoteRootWindowHostWin::HandleOpenFile( |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| const OpenFileCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| if (!host_) |
| return; |
| |
| // Can only have one of these operations in flight. |
| DCHECK(file_open_completion_callback_.is_null()); |
| DCHECK(failure_callback_.is_null()); |
| |
| file_open_completion_callback_ = on_success; |
| failure_callback_ = on_failure; |
| |
| host_->Send(new MetroViewerHostMsg_DisplayFileOpen(title, |
| filter, |
| default_path, |
| false)); |
| } |
| |
| void RemoteRootWindowHostWin::HandleOpenMultipleFiles( |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| const OpenMultipleFilesCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| if (!host_) |
| return; |
| |
| // Can only have one of these operations in flight. |
| DCHECK(multi_file_open_completion_callback_.is_null()); |
| DCHECK(failure_callback_.is_null()); |
| multi_file_open_completion_callback_ = on_success; |
| failure_callback_ = on_failure; |
| |
| host_->Send(new MetroViewerHostMsg_DisplayFileOpen(title, |
| filter, |
| default_path, |
| true)); |
| } |
| |
| void RemoteRootWindowHostWin::HandleSaveFile( |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const base::string16& filter, |
| int filter_index, |
| const base::string16& default_extension, |
| const SaveFileCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| if (!host_) |
| return; |
| |
| MetroViewerHostMsg_SaveAsDialogParams params; |
| params.title = title; |
| params.default_extension = default_extension; |
| params.filter = filter; |
| params.filter_index = filter_index; |
| params.suggested_name = default_path; |
| |
| // Can only have one of these operations in flight. |
| DCHECK(file_saveas_completion_callback_.is_null()); |
| DCHECK(failure_callback_.is_null()); |
| file_saveas_completion_callback_ = on_success; |
| failure_callback_ = on_failure; |
| |
| host_->Send(new MetroViewerHostMsg_DisplayFileSaveAs(params)); |
| } |
| |
| void RemoteRootWindowHostWin::HandleSelectFolder( |
| const base::string16& title, |
| const SelectFolderCompletion& on_success, |
| const FileSelectionCanceled& on_failure) { |
| if (!host_) |
| return; |
| |
| // Can only have one of these operations in flight. |
| DCHECK(select_folder_completion_callback_.is_null()); |
| DCHECK(failure_callback_.is_null()); |
| select_folder_completion_callback_ = on_success; |
| failure_callback_ = on_failure; |
| |
| host_->Send(new MetroViewerHostMsg_DisplaySelectFolder(title)); |
| } |
| |
| Window* RemoteRootWindowHostWin::GetAshWindow() { |
| return GetRootWindow(); |
| } |
| |
| void RemoteRootWindowHostWin::SetDelegate(RootWindowHostDelegate* delegate) { |
| delegate_ = delegate; |
| } |
| |
| RootWindow* RemoteRootWindowHostWin::GetRootWindow() { |
| return delegate_->AsRootWindow(); |
| } |
| |
| gfx::AcceleratedWidget RemoteRootWindowHostWin::GetAcceleratedWidget() { |
| if (remote_window_) |
| return remote_window_; |
| // Getting here should only happen for ash_unittests.exe and related code. |
| return ::GetDesktopWindow(); |
| } |
| |
| void RemoteRootWindowHostWin::Show() { |
| } |
| |
| void RemoteRootWindowHostWin::Hide() { |
| NOTIMPLEMENTED(); |
| } |
| |
| void RemoteRootWindowHostWin::ToggleFullScreen() { |
| } |
| |
| gfx::Rect RemoteRootWindowHostWin::GetBounds() const { |
| gfx::Rect r(gfx::Point(0, 0), aura::RootWindowHost::GetNativeScreenSize()); |
| return r; |
| } |
| |
| void RemoteRootWindowHostWin::SetBounds(const gfx::Rect& bounds) { |
| delegate_->OnHostResized(bounds.size()); |
| } |
| |
| gfx::Insets RemoteRootWindowHostWin::GetInsets() const { |
| return gfx::Insets(); |
| } |
| |
| void RemoteRootWindowHostWin::SetInsets(const gfx::Insets& insets) { |
| } |
| |
| gfx::Point RemoteRootWindowHostWin::GetLocationOnNativeScreen() const { |
| return gfx::Point(0, 0); |
| } |
| |
| void RemoteRootWindowHostWin::SetCursor(gfx::NativeCursor native_cursor) { |
| if (!host_) |
| return; |
| host_->Send( |
| new MetroViewerHostMsg_SetCursor(uint64(native_cursor.platform()))); |
| } |
| |
| void RemoteRootWindowHostWin::SetCapture() { |
| } |
| |
| void RemoteRootWindowHostWin::ReleaseCapture() { |
| } |
| |
| bool RemoteRootWindowHostWin::QueryMouseLocation(gfx::Point* location_return) { |
| aura::client::CursorClient* cursor_client = |
| aura::client::GetCursorClient(GetRootWindow()); |
| if (cursor_client && !cursor_client->IsMouseEventsEnabled()) { |
| *location_return = gfx::Point(0, 0); |
| return false; |
| } |
| POINT pt; |
| GetCursorPos(&pt); |
| *location_return = |
| gfx::Point(static_cast<int>(pt.x), static_cast<int>(pt.y)); |
| return true; |
| } |
| |
| bool RemoteRootWindowHostWin::ConfineCursorToRootWindow() { |
| return true; |
| } |
| |
| void RemoteRootWindowHostWin::UnConfineCursor() { |
| } |
| |
| void RemoteRootWindowHostWin::OnCursorVisibilityChanged(bool show) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void RemoteRootWindowHostWin::MoveCursorTo(const gfx::Point& location) { |
| VLOG(1) << "In MoveCursorTo: " << location.x() << ", " << location.y(); |
| if (!host_) |
| return; |
| |
| // This function can be called in cases like when the mouse cursor is |
| // restricted within a viewport (For e.g. LockCursor) which assumes that |
| // subsequent mouse moves would be received starting with the new cursor |
| // coordinates. This is a challenge for Windows ASH for the reasons |
| // outlined below. |
| // Other cases which don't expect this behavior should continue to work |
| // without issues. |
| |
| // The mouse events are received by the viewer process and sent to the |
| // browser. If we invoke the SetCursor API here we continue to receive |
| // mouse messages from the viewer which were posted before the SetCursor |
| // API executes which messes up the state in the browser. To workaround |
| // this we invoke the SetCursor API in the viewer process and ignore |
| // mouse messages until we received an ACK from the viewer indicating that |
| // the SetCursor operation completed. |
| ignore_mouse_moves_until_set_cursor_ack_ = true; |
| VLOG(1) << "In MoveCursorTo. Sending IPC"; |
| host_->Send(new MetroViewerHostMsg_SetCursorPos(location.x(), location.y())); |
| } |
| |
| void RemoteRootWindowHostWin::SetFocusWhenShown(bool focus_when_shown) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void RemoteRootWindowHostWin::PostNativeEvent( |
| const base::NativeEvent& native_event) { |
| } |
| |
| void RemoteRootWindowHostWin::OnDeviceScaleFactorChanged( |
| float device_scale_factor) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void RemoteRootWindowHostWin::PrepareForShutdown() { |
| } |
| |
| void RemoteRootWindowHostWin::OnMouseMoved(int32 x, int32 y, int32 flags) { |
| if (ignore_mouse_moves_until_set_cursor_ack_) |
| return; |
| |
| gfx::Point location(x, y); |
| ui::MouseEvent event(ui::ET_MOUSE_MOVED, location, location, flags); |
| delegate_->OnHostMouseEvent(&event); |
| } |
| |
| void RemoteRootWindowHostWin::OnMouseButton( |
| int32 x, |
| int32 y, |
| int32 extra, |
| ui::EventType type, |
| ui::EventFlags flags) { |
| gfx::Point location(x, y); |
| ui::MouseEvent mouse_event(type, location, location, flags); |
| |
| SetEventFlags(flags | key_event_flags()); |
| if (type == ui::ET_MOUSEWHEEL) { |
| ui::MouseWheelEvent wheel_event(mouse_event, 0, extra); |
| delegate_->OnHostMouseEvent(&wheel_event); |
| } else if (type == ui::ET_MOUSE_PRESSED) { |
| // TODO(shrikant): Ideally modify code in event.cc by adding automatic |
| // tracking of double clicks in synthetic MouseEvent constructor code. |
| // Non-synthetic MouseEvent constructor code does automatically track |
| // this. Need to use some caution while modifying synthetic constructor |
| // as many tests and other code paths depend on it and apparently |
| // specifically depend on non implicit tracking of previous mouse event. |
| if (last_mouse_click_event_ && |
| ui::MouseEvent::IsRepeatedClickEvent(mouse_event, |
| *last_mouse_click_event_)) { |
| mouse_event.SetClickCount(2); |
| } else { |
| mouse_event.SetClickCount(1); |
| } |
| last_mouse_click_event_ .reset(new ui::MouseEvent(mouse_event)); |
| delegate_->OnHostMouseEvent(&mouse_event); |
| } else { |
| delegate_->OnHostMouseEvent(&mouse_event); |
| } |
| } |
| |
| void RemoteRootWindowHostWin::OnKeyDown(uint32 vkey, |
| uint32 repeat_count, |
| uint32 scan_code, |
| uint32 flags) { |
| DispatchKeyboardMessage(ui::ET_KEY_PRESSED, vkey, repeat_count, scan_code, |
| flags, false); |
| } |
| |
| void RemoteRootWindowHostWin::OnKeyUp(uint32 vkey, |
| uint32 repeat_count, |
| uint32 scan_code, |
| uint32 flags) { |
| DispatchKeyboardMessage(ui::ET_KEY_RELEASED, vkey, repeat_count, scan_code, |
| flags, false); |
| } |
| |
| void RemoteRootWindowHostWin::OnChar(uint32 key_code, |
| uint32 repeat_count, |
| uint32 scan_code, |
| uint32 flags) { |
| DispatchKeyboardMessage(ui::ET_KEY_PRESSED, key_code, repeat_count, |
| scan_code, flags, true); |
| } |
| |
| void RemoteRootWindowHostWin::OnWindowActivated() { |
| delegate_->OnHostActivated(); |
| } |
| |
| void RemoteRootWindowHostWin::OnTouchDown(int32 x, |
| int32 y, |
| uint64 timestamp, |
| uint32 pointer_id) { |
| ui::TouchEvent event(ui::ET_TOUCH_PRESSED, |
| gfx::Point(x, y), |
| pointer_id, |
| base::TimeDelta::FromMicroseconds(timestamp)); |
| delegate_->OnHostTouchEvent(&event); |
| } |
| |
| void RemoteRootWindowHostWin::OnTouchUp(int32 x, |
| int32 y, |
| uint64 timestamp, |
| uint32 pointer_id) { |
| ui::TouchEvent event(ui::ET_TOUCH_RELEASED, |
| gfx::Point(x, y), |
| pointer_id, |
| base::TimeDelta::FromMicroseconds(timestamp)); |
| delegate_->OnHostTouchEvent(&event); |
| } |
| |
| void RemoteRootWindowHostWin::OnTouchMoved(int32 x, |
| int32 y, |
| uint64 timestamp, |
| uint32 pointer_id) { |
| ui::TouchEvent event(ui::ET_TOUCH_MOVED, |
| gfx::Point(x, y), |
| pointer_id, |
| base::TimeDelta::FromMicroseconds(timestamp)); |
| delegate_->OnHostTouchEvent(&event); |
| } |
| |
| void RemoteRootWindowHostWin::OnFileSaveAsDone(bool success, |
| const base::FilePath& filename, |
| int filter_index) { |
| if (success) |
| file_saveas_completion_callback_.Run(filename, filter_index, NULL); |
| else |
| failure_callback_.Run(NULL); |
| file_saveas_completion_callback_.Reset(); |
| failure_callback_.Reset(); |
| } |
| |
| |
| void RemoteRootWindowHostWin::OnFileOpenDone(bool success, |
| const base::FilePath& filename) { |
| if (success) |
| file_open_completion_callback_.Run(base::FilePath(filename), 0, NULL); |
| else |
| failure_callback_.Run(NULL); |
| file_open_completion_callback_.Reset(); |
| failure_callback_.Reset(); |
| } |
| |
| void RemoteRootWindowHostWin::OnMultiFileOpenDone( |
| bool success, |
| const std::vector<base::FilePath>& files) { |
| if (success) |
| multi_file_open_completion_callback_.Run(files, NULL); |
| else |
| failure_callback_.Run(NULL); |
| multi_file_open_completion_callback_.Reset(); |
| failure_callback_.Reset(); |
| } |
| |
| void RemoteRootWindowHostWin::OnSelectFolderDone( |
| bool success, |
| const base::FilePath& folder) { |
| if (success) |
| select_folder_completion_callback_.Run(base::FilePath(folder), 0, NULL); |
| else |
| failure_callback_.Run(NULL); |
| select_folder_completion_callback_.Reset(); |
| failure_callback_.Reset(); |
| } |
| |
| void RemoteRootWindowHostWin::OnSetCursorPosAck() { |
| DCHECK(ignore_mouse_moves_until_set_cursor_ack_); |
| ignore_mouse_moves_until_set_cursor_ack_ = false; |
| } |
| |
| void RemoteRootWindowHostWin::OnWindowSizeChanged(uint32 width, uint32 height) { |
| SetBounds(gfx::Rect(0, 0, width, height)); |
| } |
| |
| void RemoteRootWindowHostWin::OnDesktopActivated() { |
| ActivateDesktopCompleted temp = activate_completed_callback_; |
| activate_completed_callback_.Reset(); |
| temp.Run(); |
| } |
| |
| void RemoteRootWindowHostWin::DispatchKeyboardMessage(ui::EventType type, |
| uint32 vkey, |
| uint32 repeat_count, |
| uint32 scan_code, |
| uint32 flags, |
| bool is_character) { |
| SetEventFlags(flags | mouse_event_flags()); |
| if (base::MessageLoop::current()->IsNested()) { |
| uint32 message = is_character ? WM_CHAR : |
| (type == ui::ET_KEY_PRESSED ? WM_KEYDOWN : WM_KEYUP); |
| ::PostThreadMessage(::GetCurrentThreadId(), |
| message, |
| vkey, |
| repeat_count | scan_code >> 15); |
| } else { |
| ui::KeyEvent event(type, |
| ui::KeyboardCodeForWindowsKeyCode(vkey), |
| flags, |
| is_character); |
| delegate_->OnHostKeyEvent(&event); |
| } |
| } |
| |
| void RemoteRootWindowHostWin::SetEventFlags(uint32 flags) { |
| if (flags == event_flags_) |
| return; |
| event_flags_ = flags; |
| SetVirtualKeyStates(event_flags_); |
| } |
| |
| } // namespace aura |
