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// 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 WIN8_METRO_DRIVER_CHROME_APP_VIEW_ASH_H_
#define WIN8_METRO_DRIVER_CHROME_APP_VIEW_ASH_H_
#include <windows.applicationmodel.core.h>
#include <windows.ui.core.h>
#include <windows.ui.input.h>
#include <windows.ui.viewmanagement.h>
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/string16.h"
#include "ui/events/event_constants.h"
#include "win8/metro_driver/direct3d_helper.h"
namespace base {
class FilePath;
}
namespace IPC {
class Listener;
class ChannelProxy;
}
class OpenFilePickerSession;
class SaveFilePickerSession;
class FolderPickerSession;
class FilePickerSessionBase;
struct MetroViewerHostMsg_SaveAsDialogParams;
class ChromeAppViewAsh
: public mswr::RuntimeClass<winapp::Core::IFrameworkView> {
public:
ChromeAppViewAsh();
~ChromeAppViewAsh();
// IViewProvider overrides.
IFACEMETHOD(Initialize)(winapp::Core::ICoreApplicationView* view);
IFACEMETHOD(SetWindow)(winui::Core::ICoreWindow* window);
IFACEMETHOD(Load)(HSTRING entryPoint);
IFACEMETHOD(Run)();
IFACEMETHOD(Uninitialize)();
// Helper function to unsnap the chrome metro app if it is snapped.
// Returns S_OK on success.
static HRESULT Unsnap();
void OnActivateDesktop(const base::FilePath& file_path);
void OnOpenURLOnDesktop(const base::FilePath& shortcut, const string16& url);
void OnSetCursor(HCURSOR cursor);
void OnDisplayFileOpenDialog(const string16& title,
const string16& filter,
const base::FilePath& default_path,
bool allow_multiple_files);
void OnDisplayFileSaveAsDialog(
const MetroViewerHostMsg_SaveAsDialogParams& params);
void OnDisplayFolderPicker(const string16& title);
void OnSetCursorPos(int x, int y);
// This function is invoked when the open file operation completes. The
// result of the operation is passed in along with the OpenFilePickerSession
// instance which is deleted after we read the required information from
// the OpenFilePickerSession class.
void OnOpenFileCompleted(OpenFilePickerSession* open_file_picker,
bool success);
// This function is invoked when the save file operation completes. The
// result of the operation is passed in along with the SaveFilePickerSession
// instance which is deleted after we read the required information from
// the SaveFilePickerSession class.
void OnSaveFileCompleted(SaveFilePickerSession* save_file_picker,
bool success);
// This function is invoked when the folder picker operation completes. The
// result of the operation is passed in along with the FolderPickerSession
// instance which is deleted after we read the required information from
// the FolderPickerSession class.
void OnFolderPickerCompleted(FolderPickerSession* folder_picker,
bool success);
HWND core_window_hwnd() const { return core_window_hwnd_; }
private:
HRESULT OnActivate(winapp::Core::ICoreApplicationView* view,
winapp::Activation::IActivatedEventArgs* args);
HRESULT OnPointerMoved(winui::Core::ICoreWindow* sender,
winui::Core::IPointerEventArgs* args);
HRESULT OnPointerPressed(winui::Core::ICoreWindow* sender,
winui::Core::IPointerEventArgs* args);
HRESULT OnPointerReleased(winui::Core::ICoreWindow* sender,
winui::Core::IPointerEventArgs* args);
HRESULT OnWheel(winui::Core::ICoreWindow* sender,
winui::Core::IPointerEventArgs* args);
HRESULT OnKeyDown(winui::Core::ICoreWindow* sender,
winui::Core::IKeyEventArgs* args);
HRESULT OnKeyUp(winui::Core::ICoreWindow* sender,
winui::Core::IKeyEventArgs* args);
// Invoked for system keys like Alt, etc.
HRESULT OnAcceleratorKeyDown(winui::Core::ICoreDispatcher* sender,
winui::Core::IAcceleratorKeyEventArgs* args);
HRESULT OnCharacterReceived(winui::Core::ICoreWindow* sender,
winui::Core::ICharacterReceivedEventArgs* args);
HRESULT OnWindowActivated(winui::Core::ICoreWindow* sender,
winui::Core::IWindowActivatedEventArgs* args);
// Helper to handle search requests received via the search charm in ASH.
HRESULT HandleSearchRequest(winapp::Activation::IActivatedEventArgs* args);
// Helper to handle http/https url requests in ASH.
HRESULT HandleProtocolRequest(winapp::Activation::IActivatedEventArgs* args);
// Tasks posted to the UI thread to initiate the search/url navigation
// requests.
void OnSearchRequest(const string16& search_string);
void OnNavigateToUrl(const string16& url);
HRESULT OnSizeChanged(winui::Core::ICoreWindow* sender,
winui::Core::IWindowSizeChangedEventArgs* args);
mswr::ComPtr<winui::Core::ICoreWindow> window_;
mswr::ComPtr<winapp::Core::ICoreApplicationView> view_;
EventRegistrationToken activated_token_;
EventRegistrationToken pointermoved_token_;
EventRegistrationToken pointerpressed_token_;
EventRegistrationToken pointerreleased_token_;
EventRegistrationToken wheel_token_;
EventRegistrationToken keydown_token_;
EventRegistrationToken keyup_token_;
EventRegistrationToken character_received_token_;
EventRegistrationToken accel_keydown_token_;
EventRegistrationToken accel_keyup_token_;
EventRegistrationToken window_activated_token_;
EventRegistrationToken sizechange_token_;
// Keep state about which button is currently down, if any, as PointerMoved
// events do not contain that state, but Ash's MouseEvents need it.
ui::EventFlags mouse_down_flags_;
// Set the D3D swap chain and nothing else.
metro_driver::Direct3DHelper direct3d_helper_;
// The channel to Chrome, in particular to the MetroViewerProcessHost.
IPC::ChannelProxy* ui_channel_;
// The actual window behind the view surface.
HWND core_window_hwnd_;
// UI message loop to allow message passing into this thread.
base::MessageLoop ui_loop_;
};
#endif // WIN8_METRO_DRIVER_CHROME_APP_VIEW_ASH_H_
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