blob: edcf4b7de147a01ee0fe3925462f0301426890f4 [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.
#include "win8/metro_driver/stdafx.h"
#include "win8/metro_driver/chrome_app_view_ash.h"
#include <corewindow.h>
#include <shellapi.h>
#include <windows.foundation.h>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/message_loop/message_loop.h"
#include "base/path_service.h"
#include "base/win/metro.h"
#include "base/win/win_util.h"
#include "base/win/windows_version.h"
#include "chrome/common/chrome_switches.h"
#include "ipc/ipc_channel.h"
#include "ipc/ipc_channel_proxy.h"
#include "ipc/ipc_sender.h"
#include "ui/events/gesture_detection/motion_event.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/win/dpi.h"
#include "ui/metro_viewer/metro_viewer_messages.h"
#include "win8/metro_driver/file_picker_ash.h"
#include "win8/metro_driver/ime/ime_popup_monitor.h"
#include "win8/metro_driver/ime/input_source.h"
#include "win8/metro_driver/ime/text_service.h"
#include "win8/metro_driver/metro_driver.h"
#include "win8/metro_driver/winrt_utils.h"
#include "win8/viewer/metro_viewer_constants.h"
typedef winfoundtn::ITypedEventHandler<
winapp::Core::CoreApplicationView*,
winapp::Activation::IActivatedEventArgs*> ActivatedHandler;
typedef winfoundtn::ITypedEventHandler<
winui::Core::CoreWindow*,
winui::Core::PointerEventArgs*> PointerEventHandler;
typedef winfoundtn::ITypedEventHandler<
winui::Core::CoreWindow*,
winui::Core::KeyEventArgs*> KeyEventHandler;
typedef winfoundtn::ITypedEventHandler<
winui::Core::CoreDispatcher*,
winui::Core::AcceleratorKeyEventArgs*> AcceleratorKeyEventHandler;
typedef winfoundtn::ITypedEventHandler<
winui::Core::CoreWindow*,
winui::Core::CharacterReceivedEventArgs*> CharEventHandler;
typedef winfoundtn::ITypedEventHandler<
winui::Core::CoreWindow*,
winui::Core::WindowActivatedEventArgs*> WindowActivatedHandler;
typedef winfoundtn::ITypedEventHandler<
winui::Core::CoreWindow*,
winui::Core::WindowSizeChangedEventArgs*> SizeChangedHandler;
typedef winfoundtn::ITypedEventHandler<
winui::Input::EdgeGesture*,
winui::Input::EdgeGestureEventArgs*> EdgeEventHandler;
// This function is exported by chrome.exe.
typedef int (__cdecl *BreakpadExceptionHandler)(EXCEPTION_POINTERS* info);
// Global information used across the metro driver.
struct Globals {
winapp::Activation::ApplicationExecutionState previous_state;
winapp::Core::ICoreApplicationExit* app_exit;
BreakpadExceptionHandler breakpad_exception_handler;
} globals;
extern float GetModernUIScale();
namespace {
enum KeyModifier {
NONE,
SHIFT = 1,
CONTROL = 2,
ALT = 4
};
const int kChromeChannelPollTimerMs = 100;
// Helper function to send keystrokes via the SendInput function.
// mnemonic_char: The keystroke to be sent.
// modifiers: Combination with Alt, Ctrl, Shift, etc.
void SendKeySequence(
WORD mnemonic_char, KeyModifier modifiers) {
INPUT keys[4] = {0}; // Keyboard events
int key_count = 0; // Number of generated events
if (modifiers & SHIFT) {
keys[key_count].type = INPUT_KEYBOARD;
keys[key_count].ki.wVk = VK_SHIFT;
keys[key_count].ki.wScan = MapVirtualKey(VK_SHIFT, 0);
key_count++;
}
if (modifiers & CONTROL) {
keys[key_count].type = INPUT_KEYBOARD;
keys[key_count].ki.wVk = VK_CONTROL;
keys[key_count].ki.wScan = MapVirtualKey(VK_CONTROL, 0);
key_count++;
}
if (modifiers & ALT) {
keys[key_count].type = INPUT_KEYBOARD;
keys[key_count].ki.wVk = VK_MENU;
keys[key_count].ki.wScan = MapVirtualKey(VK_MENU, 0);
key_count++;
}
keys[key_count].type = INPUT_KEYBOARD;
keys[key_count].ki.wVk = mnemonic_char;
keys[key_count].ki.wScan = MapVirtualKey(mnemonic_char, 0);
key_count++;
bool should_sleep = key_count > 1;
// Send key downs.
for (int i = 0; i < key_count; i++) {
SendInput(1, &keys[ i ], sizeof(keys[0]));
keys[i].ki.dwFlags |= KEYEVENTF_KEYUP;
if (should_sleep)
Sleep(10);
}
// Now send key ups in reverse order.
for (int i = key_count; i; i--) {
SendInput(1, &keys[ i - 1 ], sizeof(keys[0]));
if (should_sleep)
Sleep(10);
}
}
class ChromeChannelListener : public IPC::Listener {
public:
ChromeChannelListener(base::MessageLoop* ui_loop, ChromeAppViewAsh* app_view)
: ui_proxy_(ui_loop->message_loop_proxy()),
app_view_(app_view) {}
virtual bool OnMessageReceived(const IPC::Message& message) override {
IPC_BEGIN_MESSAGE_MAP(ChromeChannelListener, message)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ActivateDesktop,
OnActivateDesktop)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MetroExit, OnMetroExit)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_OpenURLOnDesktop,
OnOpenURLOnDesktop)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetCursor, OnSetCursor)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_DisplayFileOpen,
OnDisplayFileOpenDialog)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_DisplayFileSaveAs,
OnDisplayFileSaveAsDialog)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_DisplaySelectFolder,
OnDisplayFolderPicker)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetCursorPos, OnSetCursorPos)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ImeCancelComposition,
OnImeCancelComposition)
IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ImeTextInputClientUpdated,
OnImeTextInputClientChanged)
IPC_MESSAGE_UNHANDLED(__debugbreak())
IPC_END_MESSAGE_MAP()
return true;
}
virtual void OnChannelError() override {
DVLOG(1) << "Channel error. Exiting.";
ui_proxy_->PostTask(FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnMetroExit, base::Unretained(app_view_),
TERMINATE_USING_KEY_SEQUENCE));
// In early Windows 8 versions the code above sometimes fails so we call
// it a second time with a NULL window which just calls Exit().
ui_proxy_->PostDelayedTask(FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnMetroExit, base::Unretained(app_view_),
TERMINATE_USING_PROCESS_EXIT),
base::TimeDelta::FromMilliseconds(100));
}
private:
void OnActivateDesktop(const base::FilePath& shortcut, bool ash_exit) {
ui_proxy_->PostTask(FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnActivateDesktop,
base::Unretained(app_view_),
shortcut, ash_exit));
}
void OnMetroExit() {
ui_proxy_->PostTask(FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnMetroExit,
base::Unretained(app_view_), TERMINATE_USING_KEY_SEQUENCE));
}
void OnOpenURLOnDesktop(const base::FilePath& shortcut,
const base::string16& url) {
ui_proxy_->PostTask(FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnOpenURLOnDesktop,
base::Unretained(app_view_),
shortcut, url));
}
void OnSetCursor(int64 cursor) {
ui_proxy_->PostTask(FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnSetCursor,
base::Unretained(app_view_),
reinterpret_cast<HCURSOR>(cursor)));
}
void OnDisplayFileOpenDialog(const base::string16& title,
const base::string16& filter,
const base::FilePath& default_path,
bool allow_multiple_files) {
ui_proxy_->PostTask(FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnDisplayFileOpenDialog,
base::Unretained(app_view_),
title,
filter,
default_path,
allow_multiple_files));
}
void OnDisplayFileSaveAsDialog(
const MetroViewerHostMsg_SaveAsDialogParams& params) {
ui_proxy_->PostTask(
FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnDisplayFileSaveAsDialog,
base::Unretained(app_view_),
params));
}
void OnDisplayFolderPicker(const base::string16& title) {
ui_proxy_->PostTask(
FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnDisplayFolderPicker,
base::Unretained(app_view_),
title));
}
void OnSetCursorPos(int x, int y) {
VLOG(1) << "In IPC OnSetCursorPos: " << x << ", " << y;
ui_proxy_->PostTask(
FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnSetCursorPos,
base::Unretained(app_view_),
x, y));
}
void OnImeCancelComposition() {
ui_proxy_->PostTask(
FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnImeCancelComposition,
base::Unretained(app_view_)));
}
void OnImeTextInputClientChanged(
const std::vector<int32>& input_scopes,
const std::vector<metro_viewer::CharacterBounds>& character_bounds) {
ui_proxy_->PostTask(
FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnImeUpdateTextInputClient,
base::Unretained(app_view_),
input_scopes,
character_bounds));
}
scoped_refptr<base::MessageLoopProxy> ui_proxy_;
ChromeAppViewAsh* app_view_;
};
void RunMessageLoop(winui::Core::ICoreDispatcher* dispatcher) {
// We're entering a nested message loop, let's allow dispatching
// tasks while we're in there.
base::MessageLoop::current()->SetNestableTasksAllowed(true);
// Enter main core message loop. There are several ways to exit it
// Nicely:
// 1 - User action like ALT-F4.
// 2 - Calling ICoreApplicationExit::Exit().
// 3- Posting WM_CLOSE to the core window.
dispatcher->ProcessEvents(
winui::Core::CoreProcessEventsOption
::CoreProcessEventsOption_ProcessUntilQuit);
// Wind down the thread's chrome message loop.
base::MessageLoop::current()->Quit();
}
// Helper to return the state of the shift/control/alt keys.
uint32 GetKeyboardEventFlags() {
uint32 flags = 0;
if (base::win::IsShiftPressed())
flags |= ui::EF_SHIFT_DOWN;
if (base::win::IsCtrlPressed())
flags |= ui::EF_CONTROL_DOWN;
if (base::win::IsAltPressed())
flags |= ui::EF_ALT_DOWN;
return flags;
}
bool LaunchChromeBrowserProcess(const wchar_t* additional_parameters,
winapp::Activation::IActivatedEventArgs* args) {
if (args) {
DVLOG(1) << __FUNCTION__ << ":" << ::GetCommandLineW();
winapp::Activation::ActivationKind activation_kind;
CheckHR(args->get_Kind(&activation_kind));
DVLOG(1) << __FUNCTION__ << ", activation_kind=" << activation_kind;
if (activation_kind == winapp::Activation::ActivationKind_Launch) {
mswr::ComPtr<winapp::Activation::ILaunchActivatedEventArgs> launch_args;
if (args->QueryInterface(
winapp::Activation::IID_ILaunchActivatedEventArgs,
&launch_args) == S_OK) {
DVLOG(1) << "Activate: ActivationKind_Launch";
mswrw::HString launch_args_str;
launch_args->get_Arguments(launch_args_str.GetAddressOf());
base::string16 actual_launch_args(
MakeStdWString(launch_args_str.Get()));
if (actual_launch_args == win8::kMetroViewerConnectVerb) {
DVLOG(1) << __FUNCTION__ << "Not launching chrome server";
return true;
}
}
}
}
DVLOG(1) << "Launching chrome server";
base::FilePath chrome_exe_path;
if (!PathService::Get(base::FILE_EXE, &chrome_exe_path))
return false;
base::string16 parameters = L"--silent-launch --connect-to-metro-viewer ";
if (additional_parameters)
parameters += additional_parameters;
SHELLEXECUTEINFO sei = { sizeof(sei) };
sei.nShow = SW_SHOWNORMAL;
sei.lpFile = chrome_exe_path.value().c_str();
sei.lpDirectory = L"";
sei.lpParameters = parameters.c_str();
::ShellExecuteEx(&sei);
return true;
}
} // namespace
// This class helps decoding the pointer properties of an event.
class ChromeAppViewAsh::PointerInfoHandler {
public:
PointerInfoHandler(float metro_dpi_scale, float win32_dpi_scale)
: x_(0),
y_(0),
wheel_delta_(0),
update_kind_(winui::Input::PointerUpdateKind_Other),
timestamp_(0),
pointer_id_(0),
mouse_down_flags_(0),
is_horizontal_wheel_(0),
metro_dpi_scale_(metro_dpi_scale),
win32_dpi_scale_(win32_dpi_scale) {}
HRESULT Init(winui::Core::IPointerEventArgs* args) {
HRESULT hr = args->get_CurrentPoint(&pointer_point_);
if (FAILED(hr))
return hr;
winfoundtn::Point point;
hr = pointer_point_->get_Position(&point);
if (FAILED(hr))
return hr;
mswr::ComPtr<winui::Input::IPointerPointProperties> properties;
hr = pointer_point_->get_Properties(&properties);
if (FAILED(hr))
return hr;
hr = properties->get_PointerUpdateKind(&update_kind_);
if (FAILED(hr))
return hr;
hr = properties->get_MouseWheelDelta(&wheel_delta_);
if (FAILED(hr))
return hr;
is_horizontal_wheel_ = 0;
properties->get_IsHorizontalMouseWheel(&is_horizontal_wheel_);
// The input coordinates are in DIP based on the metro scale factor.
// We want to convert it to DIP based on the win32 scale factor.
// We scale the point by the metro scale factor and then scale down
// via the win32 scale factor which achieves the needful.
gfx::Point dip_point_metro(point.X, point.Y);
gfx::Point scaled_point_metro =
gfx::ToCeiledPoint(gfx::ScalePoint(dip_point_metro, metro_dpi_scale_));
gfx::Point dip_point_win32 =
gfx::ToCeiledPoint(gfx::ScalePoint(scaled_point_metro,
1.0 / win32_dpi_scale_));
x_ = dip_point_win32.x();
y_ = dip_point_win32.y();
pointer_point_->get_Timestamp(&timestamp_);
pointer_point_->get_PointerId(&pointer_id_);
// Map the OS touch event id to a range allowed by the gesture recognizer.
if (IsTouch())
pointer_id_ %= ui::MotionEvent::MAX_TOUCH_POINT_COUNT;
boolean left_button_state;
hr = properties->get_IsLeftButtonPressed(&left_button_state);
if (FAILED(hr))
return hr;
if (left_button_state)
mouse_down_flags_ |= ui::EF_LEFT_MOUSE_BUTTON;
boolean right_button_state;
hr = properties->get_IsRightButtonPressed(&right_button_state);
if (FAILED(hr))
return hr;
if (right_button_state)
mouse_down_flags_ |= ui::EF_RIGHT_MOUSE_BUTTON;
boolean middle_button_state;
hr = properties->get_IsMiddleButtonPressed(&middle_button_state);
if (FAILED(hr))
return hr;
if (middle_button_state)
mouse_down_flags_ |= ui::EF_MIDDLE_MOUSE_BUTTON;
return S_OK;
}
bool IsType(windevs::Input::PointerDeviceType type) const {
mswr::ComPtr<windevs::Input::IPointerDevice> pointer_device;
CheckHR(pointer_point_->get_PointerDevice(&pointer_device));
windevs::Input::PointerDeviceType device_type;
CheckHR(pointer_device->get_PointerDeviceType(&device_type));
return (device_type == type);
}
bool IsMouse() const {
return IsType(windevs::Input::PointerDeviceType_Mouse);
}
bool IsTouch() const {
return IsType(windevs::Input::PointerDeviceType_Touch);
}
int32 wheel_delta() const {
return wheel_delta_;
}
// Identifies the button that changed.
ui::EventFlags changed_button() const {
switch (update_kind_) {
case winui::Input::PointerUpdateKind_LeftButtonPressed:
return ui::EF_LEFT_MOUSE_BUTTON;
case winui::Input::PointerUpdateKind_LeftButtonReleased:
return ui::EF_LEFT_MOUSE_BUTTON;
case winui::Input::PointerUpdateKind_RightButtonPressed:
return ui::EF_RIGHT_MOUSE_BUTTON;
case winui::Input::PointerUpdateKind_RightButtonReleased:
return ui::EF_RIGHT_MOUSE_BUTTON;
case winui::Input::PointerUpdateKind_MiddleButtonPressed:
return ui::EF_MIDDLE_MOUSE_BUTTON;
case winui::Input::PointerUpdateKind_MiddleButtonReleased:
return ui::EF_MIDDLE_MOUSE_BUTTON;
default:
return ui::EF_NONE;
}
}
uint32 mouse_down_flags() const { return mouse_down_flags_; }
int x() const { return x_; }
int y() const { return y_; }
uint32 pointer_id() const {
return pointer_id_;
}
uint64 timestamp() const { return timestamp_; }
winui::Input::PointerUpdateKind update_kind() const { return update_kind_; }
bool is_horizontal_wheel() const { return !!is_horizontal_wheel_; }
private:
int x_;
int y_;
int wheel_delta_;
uint32 pointer_id_;
winui::Input::PointerUpdateKind update_kind_;
mswr::ComPtr<winui::Input::IPointerPoint> pointer_point_;
uint64 timestamp_;
// Bitmask of ui::EventFlags corresponding to the buttons that are currently
// down.
uint32 mouse_down_flags_;
// Set to true for a horizontal wheel message.
boolean is_horizontal_wheel_;
// The metro device scale factor as reported by the winrt interfaces.
float metro_dpi_scale_;
// The win32 dpi scale which is queried via GetDeviceCaps. Please refer to
// ui/gfx/win/dpi.cc for more information.
float win32_dpi_scale_;
DISALLOW_COPY_AND_ASSIGN(PointerInfoHandler);
};
ChromeAppViewAsh::ChromeAppViewAsh()
: mouse_down_flags_(ui::EF_NONE),
ui_channel_(nullptr),
core_window_hwnd_(NULL),
metro_dpi_scale_(0),
win32_dpi_scale_(0),
last_cursor_(NULL),
channel_listener_(NULL) {
DVLOG(1) << __FUNCTION__;
globals.previous_state =
winapp::Activation::ApplicationExecutionState_NotRunning;
}
ChromeAppViewAsh::~ChromeAppViewAsh() {
DVLOG(1) << __FUNCTION__;
}
IFACEMETHODIMP
ChromeAppViewAsh::Initialize(winapp::Core::ICoreApplicationView* view) {
view_ = view;
DVLOG(1) << __FUNCTION__;
HRESULT hr = view_->add_Activated(mswr::Callback<ActivatedHandler>(
this, &ChromeAppViewAsh::OnActivate).Get(),
&activated_token_);
CheckHR(hr);
return hr;
}
IFACEMETHODIMP
ChromeAppViewAsh::SetWindow(winui::Core::ICoreWindow* window) {
window_ = window;
DVLOG(1) << __FUNCTION__;
// Retrieve the native window handle via the interop layer.
mswr::ComPtr<ICoreWindowInterop> interop;
HRESULT hr = window->QueryInterface(interop.GetAddressOf());
CheckHR(hr);
hr = interop->get_WindowHandle(&core_window_hwnd_);
CheckHR(hr);
text_service_ = metro_driver::CreateTextService(this, core_window_hwnd_);
hr = window_->add_SizeChanged(mswr::Callback<SizeChangedHandler>(
this, &ChromeAppViewAsh::OnSizeChanged).Get(),
&sizechange_token_);
CheckHR(hr);
// Register for pointer and keyboard notifications. We forward
// them to the browser process via IPC.
hr = window_->add_PointerMoved(mswr::Callback<PointerEventHandler>(
this, &ChromeAppViewAsh::OnPointerMoved).Get(),
&pointermoved_token_);
CheckHR(hr);
hr = window_->add_PointerPressed(mswr::Callback<PointerEventHandler>(
this, &ChromeAppViewAsh::OnPointerPressed).Get(),
&pointerpressed_token_);
CheckHR(hr);
hr = window_->add_PointerReleased(mswr::Callback<PointerEventHandler>(
this, &ChromeAppViewAsh::OnPointerReleased).Get(),
&pointerreleased_token_);
CheckHR(hr);
hr = window_->add_KeyDown(mswr::Callback<KeyEventHandler>(
this, &ChromeAppViewAsh::OnKeyDown).Get(),
&keydown_token_);
CheckHR(hr);
hr = window_->add_KeyUp(mswr::Callback<KeyEventHandler>(
this, &ChromeAppViewAsh::OnKeyUp).Get(),
&keyup_token_);
CheckHR(hr);
mswr::ComPtr<winui::Core::ICoreDispatcher> dispatcher;
hr = window_->get_Dispatcher(dispatcher.GetAddressOf());
CheckHR(hr, "Get Dispatcher failed.");
mswr::ComPtr<winui::Core::ICoreAcceleratorKeys> accelerator_keys;
hr = dispatcher.CopyTo(__uuidof(winui::Core::ICoreAcceleratorKeys),
reinterpret_cast<void**>(
accelerator_keys.GetAddressOf()));
CheckHR(hr, "QI for ICoreAcceleratorKeys failed.");
hr = accelerator_keys->add_AcceleratorKeyActivated(
mswr::Callback<AcceleratorKeyEventHandler>(
this, &ChromeAppViewAsh::OnAcceleratorKeyDown).Get(),
&accel_keydown_token_);
CheckHR(hr);
hr = window_->add_PointerWheelChanged(mswr::Callback<PointerEventHandler>(
this, &ChromeAppViewAsh::OnWheel).Get(),
&wheel_token_);
CheckHR(hr);
hr = window_->add_CharacterReceived(mswr::Callback<CharEventHandler>(
this, &ChromeAppViewAsh::OnCharacterReceived).Get(),
&character_received_token_);
CheckHR(hr);
hr = window_->add_Activated(mswr::Callback<WindowActivatedHandler>(
this, &ChromeAppViewAsh::OnWindowActivated).Get(),
&window_activated_token_);
CheckHR(hr);
if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
// Register for edge gesture notifications only for Windows 8 and above.
mswr::ComPtr<winui::Input::IEdgeGestureStatics> edge_gesture_statics;
hr = winrt_utils::CreateActivationFactory(
RuntimeClass_Windows_UI_Input_EdgeGesture,
edge_gesture_statics.GetAddressOf());
CheckHR(hr);
mswr::ComPtr<winui::Input::IEdgeGesture> edge_gesture;
hr = edge_gesture_statics->GetForCurrentView(&edge_gesture);
CheckHR(hr);
hr = edge_gesture->add_Completed(mswr::Callback<EdgeEventHandler>(
this, &ChromeAppViewAsh::OnEdgeGestureCompleted).Get(),
&edgeevent_token_);
CheckHR(hr);
}
// By initializing the direct 3D swap chain with the corewindow
// we can now directly blit to it from the browser process.
direct3d_helper_.Initialize(window);
DVLOG(1) << "Initialized Direct3D.";
// On Windows 8+ the WinRT interface IDisplayProperties which we use to get
// device scale factor does not return the correct values in metro mode.
// To workaround this we retrieve the device scale factor via the win32 way
// and scale input coordinates accordingly to pass them in DIP to chrome.
// TODO(ananta). Investigate and fix.
metro_dpi_scale_ = GetModernUIScale();
win32_dpi_scale_ = gfx::GetDPIScale();
DVLOG(1) << "Metro Scale is " << metro_dpi_scale_;
DVLOG(1) << "Win32 Scale is " << win32_dpi_scale_;
return S_OK;
}
IFACEMETHODIMP
ChromeAppViewAsh::Load(HSTRING entryPoint) {
// On Win7 |entryPoint| is NULL.
DVLOG(1) << __FUNCTION__;
return S_OK;
}
IFACEMETHODIMP
ChromeAppViewAsh::Run() {
DVLOG(1) << __FUNCTION__;
mswr::ComPtr<winui::Core::ICoreDispatcher> dispatcher;
HRESULT hr = window_->get_Dispatcher(dispatcher.GetAddressOf());
CheckHR(hr, "Dispatcher failed.");
// Create the IPC channel IO thread. It needs to out-live the ChannelProxy.
io_thread_.reset(new base::Thread("metro_IO_thread"));
base::Thread::Options options;
options.message_loop_type = base::MessageLoop::TYPE_IO;
io_thread_->StartWithOptions(options);
ChromeChannelListener ui_channel_listener(&ui_loop_, this);
channel_listener_ = &ui_channel_listener;
// We can't do anything until the Chrome browser IPC channel is initialized.
// Lazy initialization in a timer.
ui_loop_.PostDelayedTask(FROM_HERE,
base::Bind(base::IgnoreResult(&ChromeAppViewAsh::StartChromeOSMode),
base::Unretained(this)),
base::TimeDelta::FromMilliseconds(kChromeChannelPollTimerMs));
// Post the task that'll do the inner Metro message pumping to it.
ui_loop_.PostTask(FROM_HERE, base::Bind(&RunMessageLoop, dispatcher.Get()));
ui_loop_.Run();
io_thread_.reset(NULL);
ui_channel_.reset(NULL);
channel_listener_ = NULL;
DVLOG(0) << "ProcessEvents done, hr=" << hr;
return hr;
}
IFACEMETHODIMP
ChromeAppViewAsh::Uninitialize() {
DVLOG(1) << __FUNCTION__;
metro_driver::RemoveImePopupObserver(this);
input_source_.reset();
text_service_.reset();
window_ = nullptr;
view_ = nullptr;
core_window_hwnd_ = NULL;
return S_OK;
}
// static
HRESULT ChromeAppViewAsh::Unsnap() {
mswr::ComPtr<winui::ViewManagement::IApplicationViewStatics> view_statics;
HRESULT hr = winrt_utils::CreateActivationFactory(
RuntimeClass_Windows_UI_ViewManagement_ApplicationView,
view_statics.GetAddressOf());
CheckHR(hr);
winui::ViewManagement::ApplicationViewState state =
winui::ViewManagement::ApplicationViewState_FullScreenLandscape;
hr = view_statics->get_Value(&state);
CheckHR(hr);
if (state == winui::ViewManagement::ApplicationViewState_Snapped) {
boolean success = FALSE;
hr = view_statics->TryUnsnap(&success);
if (FAILED(hr) || !success) {
LOG(ERROR) << "Failed to unsnap. Error 0x" << hr;
if (SUCCEEDED(hr))
hr = E_UNEXPECTED;
}
}
return hr;
}
void ChromeAppViewAsh::OnActivateDesktop(const base::FilePath& file_path,
bool ash_exit) {
DVLOG(1) << "ChannelAppViewAsh::OnActivateDesktop\n";
if (ash_exit) {
// As we are the top level window, the exiting is done async so we manage
// to execute the entire function including the final Send().
OnMetroExit(TERMINATE_USING_KEY_SEQUENCE);
}
// We are just executing delegate_execute here without parameters. Assumption
// here is that this process will be reused by shell when asking for
// IExecuteCommand interface.
// TODO(shrikant): Consolidate ShellExecuteEx with SEE_MASK_FLAG_LOG_USAGE
// and place it metro.h or similar accessible file from all code code paths
// using this function.
SHELLEXECUTEINFO sei = { sizeof(sei) };
sei.fMask = SEE_MASK_FLAG_LOG_USAGE;
sei.nShow = SW_SHOWNORMAL;
sei.lpFile = file_path.value().c_str();
sei.lpParameters = NULL;
if (!ash_exit)
sei.fMask |= SEE_MASK_NOCLOSEPROCESS;
::ShellExecuteExW(&sei);
if (!ash_exit) {
::TerminateProcess(sei.hProcess, 0);
::CloseHandle(sei.hProcess);
}
}
void ChromeAppViewAsh::OnOpenURLOnDesktop(const base::FilePath& shortcut,
const base::string16& url) {
base::FilePath::StringType file = shortcut.value();
SHELLEXECUTEINFO sei = { sizeof(sei) };
sei.fMask = SEE_MASK_FLAG_LOG_USAGE;
sei.nShow = SW_SHOWNORMAL;
sei.lpFile = file.c_str();
sei.lpDirectory = L"";
sei.lpParameters = url.c_str();
ShellExecuteEx(&sei);
}
void ChromeAppViewAsh::OnSetCursor(HCURSOR cursor) {
::SetCursor(cursor);
last_cursor_ = cursor;
}
void ChromeAppViewAsh::OnDisplayFileOpenDialog(
const base::string16& title,
const base::string16& filter,
const base::FilePath& default_path,
bool allow_multiple_files) {
DVLOG(1) << __FUNCTION__;
// The OpenFilePickerSession instance is deleted when we receive a
// callback from the OpenFilePickerSession class about the completion of the
// operation.
FilePickerSessionBase* file_picker_ =
new OpenFilePickerSession(this,
title,
filter,
default_path,
allow_multiple_files);
file_picker_->Run();
}
void ChromeAppViewAsh::OnDisplayFileSaveAsDialog(
const MetroViewerHostMsg_SaveAsDialogParams& params) {
DVLOG(1) << __FUNCTION__;
// The SaveFilePickerSession instance is deleted when we receive a
// callback from the SaveFilePickerSession class about the completion of the
// operation.
FilePickerSessionBase* file_picker_ =
new SaveFilePickerSession(this, params);
file_picker_->Run();
}
void ChromeAppViewAsh::OnDisplayFolderPicker(const base::string16& title) {
DVLOG(1) << __FUNCTION__;
// The FolderPickerSession instance is deleted when we receive a
// callback from the FolderPickerSession class about the completion of the
// operation.
FilePickerSessionBase* file_picker_ = new FolderPickerSession(this, title);
file_picker_->Run();
}
void ChromeAppViewAsh::OnSetCursorPos(int x, int y) {
if (ui_channel_) {
::SetCursorPos(x, y);
DVLOG(1) << "In UI OnSetCursorPos: " << x << ", " << y;
ui_channel_->Send(new MetroViewerHostMsg_SetCursorPosAck());
// Generate a fake mouse move which matches the SetCursor coordinates as
// the browser expects to receive a mouse move for these coordinates.
// It is not clear why we don't receive a real mouse move in response to
// the SetCursorPos calll above.
ui_channel_->Send(new MetroViewerHostMsg_MouseMoved(x, y, 0));
}
}
void ChromeAppViewAsh::OnOpenFileCompleted(
OpenFilePickerSession* open_file_picker,
bool success) {
DVLOG(1) << __FUNCTION__;
DVLOG(1) << "Success: " << success;
if (ui_channel_) {
if (open_file_picker->allow_multi_select()) {
ui_channel_->Send(new MetroViewerHostMsg_MultiFileOpenDone(
success, open_file_picker->filenames()));
} else {
ui_channel_->Send(new MetroViewerHostMsg_FileOpenDone(
success, base::FilePath(open_file_picker->result())));
}
}
delete open_file_picker;
}
void ChromeAppViewAsh::OnSaveFileCompleted(
SaveFilePickerSession* save_file_picker,
bool success) {
DVLOG(1) << __FUNCTION__;
DVLOG(1) << "Success: " << success;
if (ui_channel_) {
ui_channel_->Send(new MetroViewerHostMsg_FileSaveAsDone(
success,
base::FilePath(save_file_picker->result()),
save_file_picker->filter_index()));
}
delete save_file_picker;
}
void ChromeAppViewAsh::OnFolderPickerCompleted(
FolderPickerSession* folder_picker,
bool success) {
DVLOG(1) << __FUNCTION__;
DVLOG(1) << "Success: " << success;
if (ui_channel_) {
ui_channel_->Send(new MetroViewerHostMsg_SelectFolderDone(
success,
base::FilePath(folder_picker->result())));
}
delete folder_picker;
}
void ChromeAppViewAsh::OnImeCancelComposition() {
if (!text_service_)
return;
text_service_->CancelComposition();
}
void ChromeAppViewAsh::OnImeUpdateTextInputClient(
const std::vector<int32>& input_scopes,
const std::vector<metro_viewer::CharacterBounds>& character_bounds) {
if (!text_service_)
return;
text_service_->OnDocumentChanged(input_scopes, character_bounds);
}
void ChromeAppViewAsh::OnImePopupChanged(ImePopupObserver::EventType event) {
if (!ui_channel_)
return;
switch (event) {
case ImePopupObserver::kPopupShown:
ui_channel_->Send(new MetroViewerHostMsg_ImeCandidatePopupChanged(true));
return;
case ImePopupObserver::kPopupHidden:
ui_channel_->Send(new MetroViewerHostMsg_ImeCandidatePopupChanged(false));
return;
case ImePopupObserver::kPopupUpdated:
// TODO(kochi): Support this event for W3C IME API proposal.
// See crbug.com/238585.
return;
default:
NOTREACHED() << "unknown event type: " << event;
return;
}
}
// Function to Exit metro chrome cleanly. If we are in the foreground
// then we try and exit by sending an Alt+F4 key combination to the core
// window which ensures that the chrome application tile does not show up in
// the running metro apps list on the top left corner.
void ChromeAppViewAsh::OnMetroExit(MetroTerminateMethod method) {
if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
HWND core_window = core_window_hwnd();
if (method == TERMINATE_USING_KEY_SEQUENCE && core_window != NULL &&
core_window == ::GetForegroundWindow()) {
DVLOG(1) << "We are in the foreground. Exiting via Alt F4";
SendKeySequence(VK_F4, ALT);
if (ui_channel_)
ui_channel_->Close();
} else {
globals.app_exit->Exit();
}
} else {
if (ui_channel_)
ui_channel_->Close();
HWND core_window = core_window_hwnd();
::PostMessage(core_window, WM_CLOSE, 0, 0);
globals.app_exit->Exit();
}
}
void ChromeAppViewAsh::OnInputSourceChanged() {
if (!input_source_)
return;
DCHECK(ui_channel_);
LANGID langid = 0;
bool is_ime = false;
if (!input_source_->GetActiveSource(&langid, &is_ime)) {
LOG(ERROR) << "GetActiveSource failed";
return;
}
ui_channel_->Send(new MetroViewerHostMsg_ImeInputSourceChanged(langid,
is_ime));
}
void ChromeAppViewAsh::OnCompositionChanged(
const base::string16& text,
int32 selection_start,
int32 selection_end,
const std::vector<metro_viewer::UnderlineInfo>& underlines) {
ui_channel_->Send(new MetroViewerHostMsg_ImeCompositionChanged(
text, selection_start, selection_end, underlines));
}
void ChromeAppViewAsh::OnTextCommitted(const base::string16& text) {
ui_channel_->Send(new MetroViewerHostMsg_ImeTextCommitted(text));
}
void ChromeAppViewAsh::SendMouseButton(int x,
int y,
int extra,
ui::EventType event_type,
uint32 flags,
ui::EventFlags changed_button,
bool is_horizontal_wheel) {
if (!ui_channel_)
return;
MetroViewerHostMsg_MouseButtonParams params;
params.x = static_cast<int32>(x);
params.y = static_cast<int32>(y);
params.extra = static_cast<int32>(extra);
params.event_type = event_type;
params.flags = static_cast<int32>(flags);
params.changed_button = changed_button;
params.is_horizontal_wheel = is_horizontal_wheel;
ui_channel_->Send(new MetroViewerHostMsg_MouseButton(params));
}
void ChromeAppViewAsh::GenerateMouseEventFromMoveIfNecessary(
const PointerInfoHandler& pointer) {
ui::EventType event_type;
// For aura we want the flags to include the button that was released, thus
// we or the old and new.
uint32 mouse_down_flags = pointer.mouse_down_flags() | mouse_down_flags_;
mouse_down_flags_ = pointer.mouse_down_flags();
switch (pointer.update_kind()) {
case winui::Input::PointerUpdateKind_LeftButtonPressed:
case winui::Input::PointerUpdateKind_RightButtonPressed:
case winui::Input::PointerUpdateKind_MiddleButtonPressed:
event_type = ui::ET_MOUSE_PRESSED;
break;
case winui::Input::PointerUpdateKind_LeftButtonReleased:
case winui::Input::PointerUpdateKind_RightButtonReleased:
case winui::Input::PointerUpdateKind_MiddleButtonReleased:
event_type = ui::ET_MOUSE_RELEASED;
break;
default:
return;
}
SendMouseButton(pointer.x(), pointer.y(), 0, event_type,
mouse_down_flags | GetKeyboardEventFlags(),
pointer.changed_button(), pointer.is_horizontal_wheel());
}
HRESULT ChromeAppViewAsh::OnActivate(
winapp::Core::ICoreApplicationView*,
winapp::Activation::IActivatedEventArgs* args) {
DVLOG(1) << __FUNCTION__;
// Note: If doing more work in this function, you migth need to call
// get_PreviousExecutionState() and skip the work if the result is
// ApplicationExecutionState_Running and globals.previous_state is too.
args->get_PreviousExecutionState(&globals.previous_state);
DVLOG(1) << "Previous Execution State: " << globals.previous_state;
winapp::Activation::ActivationKind activation_kind;
CheckHR(args->get_Kind(&activation_kind));
DVLOG(1) << "Activation kind: " << activation_kind;
if (activation_kind == winapp::Activation::ActivationKind_Search)
HandleSearchRequest(args);
else if (activation_kind == winapp::Activation::ActivationKind_Protocol)
HandleProtocolRequest(args);
else
LaunchChromeBrowserProcess(NULL, args);
// We call ICoreWindow::Activate after the handling for the search/protocol
// requests because Chrome can be launched to handle a search request which
// in turn launches the chrome browser process in desktop mode via
// ShellExecute. If we call ICoreWindow::Activate before this, then
// Windows kills the metro chrome process when it calls ShellExecute. Seems
// to be a bug.
window_->Activate();
return S_OK;
}
HRESULT ChromeAppViewAsh::OnPointerMoved(winui::Core::ICoreWindow* sender,
winui::Core::IPointerEventArgs* args) {
if (!ui_channel_)
return S_OK;
PointerInfoHandler pointer(metro_dpi_scale_, win32_dpi_scale_);
HRESULT hr = pointer.Init(args);
if (FAILED(hr))
return hr;
if (pointer.IsMouse()) {
// If the mouse was moved towards the charms or the OS specific section,
// the cursor may change from what the browser last set. Restore it here.
if (::GetCursor() != last_cursor_)
SetCursor(last_cursor_);
GenerateMouseEventFromMoveIfNecessary(pointer);
ui_channel_->Send(new MetroViewerHostMsg_MouseMoved(
pointer.x(),
pointer.y(),
mouse_down_flags_ | GetKeyboardEventFlags()));
} else {
DCHECK(pointer.IsTouch());
ui_channel_->Send(new MetroViewerHostMsg_TouchMoved(pointer.x(),
pointer.y(),
pointer.timestamp(),
pointer.pointer_id()));
}
return S_OK;
}
// NOTE: From experimentation, it seems like Metro only sends a PointerPressed
// event for the first button pressed and the last button released in a sequence
// of mouse events.
// For example, a sequence of LEFT_DOWN, RIGHT_DOWN, LEFT_UP, RIGHT_UP results
// only in PointerPressed(LEFT)/PointerReleased(RIGHT) events. Intermediary
// presses and releases are tracked in OnPointMoved().
HRESULT ChromeAppViewAsh::OnPointerPressed(
winui::Core::ICoreWindow* sender,
winui::Core::IPointerEventArgs* args) {
if (!ui_channel_)
return S_OK;
PointerInfoHandler pointer(metro_dpi_scale_, win32_dpi_scale_);
HRESULT hr = pointer.Init(args);
if (FAILED(hr))
return hr;
if (pointer.IsMouse()) {
mouse_down_flags_ = pointer.mouse_down_flags();
SendMouseButton(pointer.x(), pointer.y(), 0, ui::ET_MOUSE_PRESSED,
mouse_down_flags_ | GetKeyboardEventFlags(),
pointer.changed_button(), pointer.is_horizontal_wheel());
} else {
DCHECK(pointer.IsTouch());
ui_channel_->Send(new MetroViewerHostMsg_TouchDown(pointer.x(),
pointer.y(),
pointer.timestamp(),
pointer.pointer_id()));
}
return S_OK;
}
HRESULT ChromeAppViewAsh::OnPointerReleased(
winui::Core::ICoreWindow* sender,
winui::Core::IPointerEventArgs* args) {
if (!ui_channel_)
return S_OK;
PointerInfoHandler pointer(metro_dpi_scale_, win32_dpi_scale_);
HRESULT hr = pointer.Init(args);
if (FAILED(hr))
return hr;
if (pointer.IsMouse()) {
mouse_down_flags_ = ui::EF_NONE;
SendMouseButton(pointer.x(), pointer.y(), 0, ui::ET_MOUSE_RELEASED,
static_cast<uint32>(pointer.changed_button()) |
GetKeyboardEventFlags(),
pointer.changed_button(),
pointer.is_horizontal_wheel());
} else {
DCHECK(pointer.IsTouch());
ui_channel_->Send(new MetroViewerHostMsg_TouchUp(pointer.x(),
pointer.y(),
pointer.timestamp(),
pointer.pointer_id()));
}
return S_OK;
}
HRESULT ChromeAppViewAsh::OnWheel(
winui::Core::ICoreWindow* sender,
winui::Core::IPointerEventArgs* args) {
if (!ui_channel_)
return S_OK;
PointerInfoHandler pointer(metro_dpi_scale_, win32_dpi_scale_);
HRESULT hr = pointer.Init(args);
if (FAILED(hr))
return hr;
DCHECK(pointer.IsMouse());
SendMouseButton(pointer.x(), pointer.y(), pointer.wheel_delta(),
ui::ET_MOUSEWHEEL, GetKeyboardEventFlags(), ui::EF_NONE,
pointer.is_horizontal_wheel());
return S_OK;
}
HRESULT ChromeAppViewAsh::OnKeyDown(
winui::Core::ICoreWindow* sender,
winui::Core::IKeyEventArgs* args) {
if (!ui_channel_)
return S_OK;
winsys::VirtualKey virtual_key;
HRESULT hr = args->get_VirtualKey(&virtual_key);
if (FAILED(hr))
return hr;
winui::Core::CorePhysicalKeyStatus status;
hr = args->get_KeyStatus(&status);
if (FAILED(hr))
return hr;
ui_channel_->Send(new MetroViewerHostMsg_KeyDown(virtual_key,
status.RepeatCount,
status.ScanCode,
GetKeyboardEventFlags()));
return S_OK;
}
HRESULT ChromeAppViewAsh::OnKeyUp(
winui::Core::ICoreWindow* sender,
winui::Core::IKeyEventArgs* args) {
if (!ui_channel_)
return S_OK;
winsys::VirtualKey virtual_key;
HRESULT hr = args->get_VirtualKey(&virtual_key);
if (FAILED(hr))
return hr;
winui::Core::CorePhysicalKeyStatus status;
hr = args->get_KeyStatus(&status);
if (FAILED(hr))
return hr;
ui_channel_->Send(new MetroViewerHostMsg_KeyUp(virtual_key,
status.RepeatCount,
status.ScanCode,
GetKeyboardEventFlags()));
return S_OK;
}
HRESULT ChromeAppViewAsh::OnAcceleratorKeyDown(
winui::Core::ICoreDispatcher* sender,
winui::Core::IAcceleratorKeyEventArgs* args) {
if (!ui_channel_)
return S_OK;
winsys::VirtualKey virtual_key;
HRESULT hr = args->get_VirtualKey(&virtual_key);
if (FAILED(hr))
return hr;
winui::Core::CorePhysicalKeyStatus status;
hr = args->get_KeyStatus(&status);
if (FAILED(hr))
return hr;
winui::Core::CoreAcceleratorKeyEventType event_type;
hr = args->get_EventType(&event_type);
if (FAILED(hr))
return hr;
uint32 keyboard_flags = GetKeyboardEventFlags();
switch (event_type) {
case winui::Core::CoreAcceleratorKeyEventType_SystemCharacter:
ui_channel_->Send(new MetroViewerHostMsg_Character(virtual_key,
status.RepeatCount,
status.ScanCode,
keyboard_flags));
break;
case winui::Core::CoreAcceleratorKeyEventType_SystemKeyDown:
// Don't send the Alt + F4 combination to Chrome as this is intended to
// shut the metro environment down. Reason we check for Control here is
// Windows does not shutdown metro if Ctrl is pressed along with Alt F4.
// Other key combinations with Alt F4 shutdown metro.
if ((virtual_key == VK_F4) && ((keyboard_flags & ui::EF_ALT_DOWN) &&
!(keyboard_flags & ui::EF_CONTROL_DOWN)))
return S_OK;
// Don't send the EF_ALT_DOWN modifier along with the IPC message for
// the Alt or F10 key. The accelerator for VKEY_MENU is registered
// without modifiers in Chrome for historical reasons. Not sending the
// EF_ALT_DOWN modifier ensures that the accelerator is processed
// correctly.
if (virtual_key == winsys::VirtualKey_Menu)
keyboard_flags &= ~ui::EF_ALT_DOWN;
ui_channel_->Send(new MetroViewerHostMsg_KeyDown(virtual_key,
status.RepeatCount,
status.ScanCode,
keyboard_flags));
break;
case winui::Core::CoreAcceleratorKeyEventType_SystemKeyUp:
ui_channel_->Send(new MetroViewerHostMsg_KeyUp(virtual_key,
status.RepeatCount,
status.ScanCode,
keyboard_flags));
break;
default:
break;
}
return S_OK;
}
HRESULT ChromeAppViewAsh::OnCharacterReceived(
winui::Core::ICoreWindow* sender,
winui::Core::ICharacterReceivedEventArgs* args) {
if (!ui_channel_)
return S_OK;
unsigned int char_code = 0;
HRESULT hr = args->get_KeyCode(&char_code);
if (FAILED(hr))
return hr;
winui::Core::CorePhysicalKeyStatus status;
hr = args->get_KeyStatus(&status);
if (FAILED(hr))
return hr;
ui_channel_->Send(new MetroViewerHostMsg_Character(char_code,
status.RepeatCount,
status.ScanCode,
GetKeyboardEventFlags()));
return S_OK;
}
HRESULT ChromeAppViewAsh::OnWindowActivated(
winui::Core::ICoreWindow* sender,
winui::Core::IWindowActivatedEventArgs* args) {
if (!ui_channel_)
return S_OK;
if (args) {
winui::Core::CoreWindowActivationState state;
HRESULT hr = args->get_WindowActivationState(&state);
if (FAILED(hr))
return hr;
// Treat both full activation (Ash was reopened from the Start Screen or
// from any other Metro entry point in Windows) and pointer activation
// (user clicked back in Ash after using another app on another monitor)
// the same.
if (state == winui::Core::CoreWindowActivationState_CodeActivated ||
state == winui::Core::CoreWindowActivationState_PointerActivated) {
ui_channel_->Send(new MetroViewerHostMsg_WindowActivated(false));
}
} else {
// On Windows 7, we force a repaint when the window is activated.
ui_channel_->Send(new MetroViewerHostMsg_WindowActivated(true));
}
if (text_service_)
text_service_->OnWindowActivated();
return S_OK;
}
HRESULT ChromeAppViewAsh::HandleSearchRequest(
winapp::Activation::IActivatedEventArgs* args) {
mswr::ComPtr<winapp::Activation::ISearchActivatedEventArgs> search_args;
CheckHR(args->QueryInterface(
winapp::Activation::IID_ISearchActivatedEventArgs, &search_args));
if (!ui_channel_) {
DVLOG(1) << "Launched to handle search request";
LaunchChromeBrowserProcess(L"--windows8-search", args);
}
mswrw::HString search_string;
CheckHR(search_args->get_QueryText(search_string.GetAddressOf()));
base::string16 search_text(MakeStdWString(search_string.Get()));
ui_loop_.PostTask(FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnSearchRequest,
base::Unretained(this),
search_text));
return S_OK;
}
HRESULT ChromeAppViewAsh::HandleProtocolRequest(
winapp::Activation::IActivatedEventArgs* args) {
DVLOG(1) << __FUNCTION__;
if (!ui_channel_)
DVLOG(1) << "Launched to handle url request";
mswr::ComPtr<winapp::Activation::IProtocolActivatedEventArgs>
protocol_args;
CheckHR(args->QueryInterface(
winapp::Activation::IID_IProtocolActivatedEventArgs,
&protocol_args));
mswr::ComPtr<winfoundtn::IUriRuntimeClass> uri;
protocol_args->get_Uri(&uri);
mswrw::HString url;
uri->get_AbsoluteUri(url.GetAddressOf());
base::string16 actual_url(MakeStdWString(url.Get()));
DVLOG(1) << "Received url request: " << actual_url;
ui_loop_.PostTask(FROM_HERE,
base::Bind(&ChromeAppViewAsh::OnNavigateToUrl,
base::Unretained(this),
actual_url));
return S_OK;
}
HRESULT ChromeAppViewAsh::OnEdgeGestureCompleted(
winui::Input::IEdgeGesture* gesture,
winui::Input::IEdgeGestureEventArgs* args) {
if (ui_channel_)
ui_channel_->Send(new MetroViewerHostMsg_EdgeGesture());
return S_OK;
}
void ChromeAppViewAsh::OnSearchRequest(const base::string16& search_string) {
if (ui_channel_)
ui_channel_->Send(new MetroViewerHostMsg_SearchRequest(search_string));
}
void ChromeAppViewAsh::OnNavigateToUrl(const base::string16& url) {
if (ui_channel_)
ui_channel_->Send(new MetroViewerHostMsg_OpenURL(url));
}
HRESULT ChromeAppViewAsh::OnSizeChanged(winui::Core::ICoreWindow* sender,
winui::Core::IWindowSizeChangedEventArgs* args) {
if (!window_ || !ui_channel_) {
return S_OK;
}
// winui::Core::IWindowSizeChangedEventArgs args->Size appears to return
// scaled values under HiDPI. We will instead use GetWindowRect() which
// should always return values in Pixels.
RECT rect = {0};
::GetWindowRect(core_window_hwnd_, &rect);
uint32 cx = static_cast<uint32>(rect.right - rect.left);
uint32 cy = static_cast<uint32>(rect.bottom - rect.top);
DVLOG(1) << "Window size changed: width=" << cx << ", height=" << cy;
ui_channel_->Send(new MetroViewerHostMsg_WindowSizeChanged(cx, cy));
return S_OK;
}
void ChromeAppViewAsh::StartChromeOSMode() {
static int ms_elapsed = 0;
if (!IPC::Channel::IsNamedServerInitialized(
win8::kMetroViewerIPCChannelName) && ms_elapsed < 10000) {
ms_elapsed += 100;
ui_loop_.PostDelayedTask(FROM_HERE,
base::Bind(base::IgnoreResult(&ChromeAppViewAsh::StartChromeOSMode),
base::Unretained(this)),
base::TimeDelta::FromMilliseconds(kChromeChannelPollTimerMs));
return;
}
if (!IPC::Channel::IsNamedServerInitialized(
win8::kMetroViewerIPCChannelName)) {
DVLOG(1) << "Failed to connect to chrome channel : "
<< win8::kMetroViewerIPCChannelName;
DVLOG(1) << "Exiting. Elapsed time :" << ms_elapsed;
PostMessage(core_window_hwnd_, WM_CLOSE, 0, 0);
return;
}
DVLOG(1) << "Found channel : " << win8::kMetroViewerIPCChannelName;
DCHECK(channel_listener_);
// In Aura mode we create an IPC channel to the browser, then ask it to
// connect to us.
ui_channel_ =
IPC::ChannelProxy::Create(win8::kMetroViewerIPCChannelName,
IPC::Channel::MODE_NAMED_CLIENT,
channel_listener_,
io_thread_->message_loop_proxy());
DVLOG(1) << "Created channel proxy";
// Upon receipt of the MetroViewerHostMsg_SetTargetSurface message the
// browser will use D3D from the browser process to present to our Window.
ui_channel_->Send(new MetroViewerHostMsg_SetTargetSurface(
gfx::NativeViewId(core_window_hwnd_),
win32_dpi_scale_));
DVLOG(1) << "ICoreWindow sent " << core_window_hwnd_;
// Send an initial size message so that the Ash root window host gets sized
// correctly.
RECT rect = {0};
::GetWindowRect(core_window_hwnd_, &rect);
ui_channel_->Send(
new MetroViewerHostMsg_WindowSizeChanged(rect.right - rect.left,
rect.bottom - rect.top));
input_source_ = metro_driver::InputSource::Create();
if (input_source_) {
input_source_->AddObserver(this);
// Send an initial input source.
OnInputSourceChanged();
}
// Start receiving IME popup window notifications.
metro_driver::AddImePopupObserver(this);
DVLOG(1) << "Channel setup complete";
}
///////////////////////////////////////////////////////////////////////////////
ChromeAppViewFactory::ChromeAppViewFactory(
winapp::Core::ICoreApplication* icore_app) {
mswr::ComPtr<winapp::Core::ICoreApplication> core_app(icore_app);
mswr::ComPtr<winapp::Core::ICoreApplicationExit> app_exit;
CheckHR(core_app.As(&app_exit));
globals.app_exit = app_exit.Detach();
}
IFACEMETHODIMP
ChromeAppViewFactory::CreateView(winapp::Core::IFrameworkView** view) {
*view = mswr::Make<ChromeAppViewAsh>().Detach();
return (*view) ? S_OK : E_OUTOFMEMORY;
}