forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathchrome_app_view_ash.cc
1480 lines (1271 loc) · 50.3 KB
/
chrome_app_view_ash.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// 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(×tamp_);
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()) {