blob: ed974d398c0b040ead894f198d916ae9b54436d9 [file] [log] [blame]
// 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.
#ifndef UI_AURA_REMOTE_ROOT_WINDOW_HOST_WIN_H_
#define UI_AURA_REMOTE_ROOT_WINDOW_HOST_WIN_H_
#include <vector>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/strings/string16.h"
#include "ui/aura/window_tree_host.h"
#include "ui/events/event.h"
#include "ui/events/event_constants.h"
#include "ui/gfx/native_widget_types.h"
namespace base {
class FilePath;
}
namespace ui {
class ViewProp;
}
namespace IPC {
class Message;
class Sender;
}
namespace aura {
typedef base::Callback<void(const base::FilePath&, int, void*)>
OpenFileCompletion;
typedef base::Callback<void(const std::vector<base::FilePath>&, void*)>
OpenMultipleFilesCompletion;
typedef base::Callback<void(const base::FilePath&, int, void*)>
SaveFileCompletion;
typedef base::Callback<void(const base::FilePath&, int, void*)>
SelectFolderCompletion;
typedef base::Callback<void(void*)> FileSelectionCanceled;
typedef base::Callback<void()> ActivateDesktopCompleted;
// Handles the open file operation for Metro Chrome Ash. The on_success
// callback passed in is invoked when we receive the opened file name from
// the metro viewer. The on failure callback is invoked on failure.
AURA_EXPORT void HandleOpenFile(const base::string16& title,
const base::FilePath& default_path,
const base::string16& filter,
const OpenFileCompletion& on_success,
const FileSelectionCanceled& on_failure);
// Handles the open multiple file operation for Metro Chrome Ash. The
// on_success callback passed in is invoked when we receive the opened file
// names from the metro viewer. The on failure callback is invoked on failure.
AURA_EXPORT void HandleOpenMultipleFiles(
const base::string16& title,
const base::FilePath& default_path,
const base::string16& filter,
const OpenMultipleFilesCompletion& on_success,
const FileSelectionCanceled& on_failure);
// Handles the save file operation for Metro Chrome Ash. The on_success
// callback passed in is invoked when we receive the saved file name from
// the metro viewer. The on failure callback is invoked on failure.
AURA_EXPORT 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);
// Handles the select folder for Metro Chrome Ash. The on_success
// callback passed in is invoked when we receive the folder name from the
// metro viewer. The on failure callback is invoked on failure.
AURA_EXPORT void HandleSelectFolder(const base::string16& title,
const SelectFolderCompletion& on_success,
const FileSelectionCanceled& on_failure);
// Handles the activate desktop command for Metro Chrome Ash. The on_success
// callback passed in is invoked when activation is completed.
AURA_EXPORT void HandleActivateDesktop(
const base::FilePath& shortcut,
const ActivateDesktopCompleted& on_success);
// RootWindowHost implementaton that receives events from a different
// process. In the case of Windows this is the Windows 8 (aka Metro)
// frontend process, which forwards input events to this class.
class AURA_EXPORT RemoteRootWindowHostWin : public RootWindowHost {
public:
// Returns the only RemoteRootWindowHostWin, if this is the first time
// this function is called, it will call Create() wiht empty bounds.
static RemoteRootWindowHostWin* Instance();
static RemoteRootWindowHostWin* Create(const gfx::Rect& bounds);
// Called when the remote process has established its IPC connection.
// The |host| can be used when we need to send a message to it and
// |remote_window| is the actual window owned by the viewer process.
void Connected(IPC::Sender* host, HWND remote_window);
// Called when the remote process has closed its IPC connection.
void Disconnected();
// Called when we have a message from the remote process.
bool OnMessageReceived(const IPC::Message& message);
void HandleOpenURLOnDesktop(const base::FilePath& shortcut,
const base::string16& url);
void HandleActivateDesktop(const base::FilePath& shortcut,
const ActivateDesktopCompleted& on_success);
void HandleOpenFile(const base::string16& title,
const base::FilePath& default_path,
const base::string16& filter,
const OpenFileCompletion& on_success,
const FileSelectionCanceled& 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);
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);
void HandleSelectFolder(const base::string16& title,
const SelectFolderCompletion& on_success,
const FileSelectionCanceled& on_failure);
// Returns the active ASH root window.
Window* GetAshWindow();
// Returns true if the remote window is the foreground window according to the
// OS.
bool IsForegroundWindow();
private:
explicit RemoteRootWindowHostWin(const gfx::Rect& bounds);
virtual ~RemoteRootWindowHostWin();
// IPC message handing methods:
void OnMouseMoved(int32 x, int32 y, int32 flags);
void OnMouseButton(int32 x,
int32 y,
int32 extra,
ui::EventType type,
ui::EventFlags flags);
void OnKeyDown(uint32 vkey,
uint32 repeat_count,
uint32 scan_code,
uint32 flags);
void OnKeyUp(uint32 vkey,
uint32 repeat_count,
uint32 scan_code,
uint32 flags);
void OnChar(uint32 key_code,
uint32 repeat_count,
uint32 scan_code,
uint32 flags);
void OnWindowActivated();
void OnTouchDown(int32 x, int32 y, uint64 timestamp, uint32 pointer_id);
void OnTouchUp(int32 x, int32 y, uint64 timestamp, uint32 pointer_id);
void OnTouchMoved(int32 x, int32 y, uint64 timestamp, uint32 pointer_id);
void OnFileSaveAsDone(bool success,
const base::FilePath& filename,
int filter_index);
void OnFileOpenDone(bool success, const base::FilePath& filename);
void OnMultiFileOpenDone(bool success,
const std::vector<base::FilePath>& files);
void OnSelectFolderDone(bool success, const base::FilePath& folder);
void OnSetCursorPosAck();
void OnWindowSizeChanged(uint32 width, uint32 height);
void OnDesktopActivated();
// RootWindowHost overrides:
virtual RootWindow* GetRootWindow() OVERRIDE;
virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
virtual void Show() OVERRIDE;
virtual void Hide() OVERRIDE;
virtual void ToggleFullScreen() OVERRIDE;
virtual gfx::Rect GetBounds() const OVERRIDE;
virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
virtual gfx::Insets GetInsets() const OVERRIDE;
virtual void SetInsets(const gfx::Insets& insets) OVERRIDE;
virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
virtual void SetCapture() OVERRIDE;
virtual void ReleaseCapture() OVERRIDE;
virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
virtual bool QueryMouseLocation(gfx::Point* location_return) OVERRIDE;
virtual bool ConfineCursorToRootWindow() OVERRIDE;
virtual void UnConfineCursor() OVERRIDE;
virtual void OnCursorVisibilityChanged(bool show) OVERRIDE;
virtual void MoveCursorTo(const gfx::Point& location) OVERRIDE;
virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE;
virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
virtual void PrepareForShutdown() OVERRIDE;
// Helper function to dispatch a keyboard message to the desired target.
// The default target is the RootWindowHostDelegate. For nested message loop
// invocations we post a synthetic keyboard message directly into the message
// loop. The dispatcher for the nested loop would then decide how this
// message is routed.
void DispatchKeyboardMessage(ui::EventType type,
uint32 vkey,
uint32 repeat_count,
uint32 scan_code,
uint32 flags,
bool is_character);
// Sets the event flags. |flags| is a bitmask of EventFlags. If there is a
// change the system virtual key state is updated as well. This way if chrome
// queries for key state it matches that of event being dispatched.
void SetEventFlags(uint32 flags);
uint32 mouse_event_flags() const {
return event_flags_ & (ui::EF_LEFT_MOUSE_BUTTON |
ui::EF_MIDDLE_MOUSE_BUTTON |
ui::EF_RIGHT_MOUSE_BUTTON);
}
uint32 key_event_flags() const {
return event_flags_ & (ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN |
ui::EF_ALT_DOWN | ui::EF_CAPS_LOCK_DOWN);
}
HWND remote_window_;
IPC::Sender* host_;
scoped_ptr<ui::ViewProp> prop_;
// Saved callbacks which inform the caller about the result of the open file/
// save file/select operations.
OpenFileCompletion file_open_completion_callback_;
OpenMultipleFilesCompletion multi_file_open_completion_callback_;
SaveFileCompletion file_saveas_completion_callback_;
SelectFolderCompletion select_folder_completion_callback_;
FileSelectionCanceled failure_callback_;
// Saved callback which informs caller about successful completion of desktop
// activation.
ActivateDesktopCompleted activate_completed_callback_;
// Set to true if we need to ignore mouse messages until the SetCursorPos
// operation is acked by the viewer.
bool ignore_mouse_moves_until_set_cursor_ack_;
// Tracking last click event for synthetically generated mouse events.
scoped_ptr<ui::MouseEvent> last_mouse_click_event_;
// State of the keyboard/mouse at the time of the last input event. See
// description of SetEventFlags().
uint32 event_flags_;
DISALLOW_COPY_AND_ASSIGN(RemoteRootWindowHostWin);
};
} // namespace aura
#endif // UI_AURA_REMOTE_ROOT_WINDOW_HOST_WIN_H_