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Issue 703753005: More Windows build fixes. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: remove generated files Created 6 years, 1 month ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "ui/aura/remote_window_tree_host_win.h"
6
7 #include <windows.h>
8
9 #include <algorithm>
10
11 #include "base/message_loop/message_loop.h"
12 #include "ipc/ipc_message.h"
13 #include "ipc/ipc_sender.h"
14 #include "ui/aura/client/aura_constants.h"
15 #include "ui/aura/client/cursor_client.h"
16 #include "ui/aura/window_event_dispatcher.h"
17 #include "ui/aura/window_property.h"
18 #include "ui/base/cursor/cursor_loader_win.h"
19 #include "ui/base/ime/composition_text.h"
20 #include "ui/base/ime/input_method.h"
21 #include "ui/base/ime/remote_input_method_win.h"
22 #include "ui/base/ime/text_input_client.h"
23 #include "ui/base/view_prop.h"
24 #include "ui/events/event_utils.h"
25 #include "ui/events/keycodes/keyboard_code_conversion_win.h"
26 #include "ui/gfx/insets.h"
27 #include "ui/gfx/win/dpi.h"
28 #include "ui/metro_viewer/metro_viewer_messages.h"
29
30 namespace aura {
31
32 namespace {
33
34 const char* kWindowTreeHostWinKey = "__AURA_REMOTE_WINDOW_TREE_HOST_WIN__";
35
36 // Sets the keystate for the virtual key passed in to down or up.
37 void SetKeyState(uint8* key_states, bool key_down, uint32 virtual_key_code) {
38 DCHECK(key_states);
39
40 if (key_down)
41 key_states[virtual_key_code] |= 0x80;
42 else
43 key_states[virtual_key_code] &= 0x7F;
44 }
45
46 // Sets the keyboard states for the Shift/Control/Alt/Caps lock keys.
47 void SetVirtualKeyStates(uint32 flags) {
48 uint8 keyboard_state[256] = {0};
49 ::GetKeyboardState(keyboard_state);
50
51 SetKeyState(keyboard_state, !!(flags & ui::EF_SHIFT_DOWN), VK_SHIFT);
52 SetKeyState(keyboard_state, !!(flags & ui::EF_CONTROL_DOWN), VK_CONTROL);
53 SetKeyState(keyboard_state, !!(flags & ui::EF_ALT_DOWN), VK_MENU);
54 SetKeyState(keyboard_state, !!(flags & ui::EF_CAPS_LOCK_DOWN), VK_CAPITAL);
55 SetKeyState(keyboard_state, !!(flags & ui::EF_LEFT_MOUSE_BUTTON), VK_LBUTTON);
56 SetKeyState(keyboard_state, !!(flags & ui::EF_RIGHT_MOUSE_BUTTON),
57 VK_RBUTTON);
58 SetKeyState(keyboard_state, !!(flags & ui::EF_MIDDLE_MOUSE_BUTTON),
59 VK_MBUTTON);
60
61 ::SetKeyboardState(keyboard_state);
62 }
63
64 void FillCompositionText(
65 const base::string16& text,
66 int32 selection_start,
67 int32 selection_end,
68 const std::vector<metro_viewer::UnderlineInfo>& underlines,
69 ui::CompositionText* composition_text) {
70 composition_text->Clear();
71 composition_text->text = text;
72 composition_text->selection.set_start(selection_start);
73 composition_text->selection.set_end(selection_end);
74 composition_text->underlines.resize(underlines.size());
75 for (size_t i = 0; i < underlines.size(); ++i) {
76 composition_text->underlines[i].start_offset = underlines[i].start_offset;
77 composition_text->underlines[i].end_offset = underlines[i].end_offset;
78 composition_text->underlines[i].color = SK_ColorBLACK;
79 composition_text->underlines[i].thick = underlines[i].thick;
80 composition_text->underlines[i].background_color = SK_ColorTRANSPARENT;
81 }
82 }
83
84 } // namespace
85
86 RemoteWindowTreeHostWin* g_instance = NULL;
87
88 // static
89 RemoteWindowTreeHostWin* RemoteWindowTreeHostWin::Instance() {
90 return g_instance;
91 }
92
93 RemoteWindowTreeHostWin::RemoteWindowTreeHostWin()
94 : remote_window_(NULL),
95 host_(NULL),
96 ignore_mouse_moves_until_set_cursor_ack_(0),
97 event_flags_(0),
98 window_size_(aura::WindowTreeHost::GetNativeScreenSize()) {
99 CHECK(!g_instance);
100 g_instance = this;
101 prop_.reset(new ui::ViewProp(NULL, kWindowTreeHostWinKey, this));
102 CreateCompositor(GetAcceleratedWidget());
103 }
104
105 RemoteWindowTreeHostWin::~RemoteWindowTreeHostWin() {
106 DestroyCompositor();
107 DestroyDispatcher();
108 DCHECK_EQ(g_instance, this);
109 g_instance = NULL;
110 }
111
112 // static
113 bool RemoteWindowTreeHostWin::IsValid() {
114 return Instance()->remote_window_ != NULL;
115 }
116
117 void RemoteWindowTreeHostWin::SetRemoteWindowHandle(HWND remote_window) {
118 remote_window_ = remote_window;
119 }
120
121 void RemoteWindowTreeHostWin::Connected(IPC::Sender* host) {
122 CHECK(host_ == NULL);
123 DCHECK(remote_window_);
124 host_ = host;
125 // Recreate the compositor for the target surface represented by the
126 // remote_window HWND.
127 CreateCompositor(remote_window_);
128 InitCompositor();
129 }
130
131 void RemoteWindowTreeHostWin::Disconnected() {
132 // Don't CHECK here, Disconnected is called on a channel error which can
133 // happen before we're successfully Connected.
134 if (!host_)
135 return;
136 ui::RemoteInputMethodPrivateWin* remote_input_method_private =
137 GetRemoteInputMethodPrivate();
138 if (remote_input_method_private)
139 remote_input_method_private->SetRemoteDelegate(NULL);
140 host_ = NULL;
141 remote_window_ = NULL;
142 }
143
144 bool RemoteWindowTreeHostWin::OnMessageReceived(const IPC::Message& message) {
145 bool handled = true;
146 IPC_BEGIN_MESSAGE_MAP(RemoteWindowTreeHostWin, message)
147 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MouseMoved, OnMouseMoved)
148 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MouseButton, OnMouseButton)
149 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_KeyDown, OnKeyDown)
150 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_KeyUp, OnKeyUp)
151 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_Character, OnChar)
152 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_WindowActivated,
153 OnWindowActivated)
154 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_EdgeGesture, OnEdgeGesture)
155 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_TouchDown,
156 OnTouchDown)
157 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_TouchUp,
158 OnTouchUp)
159 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_TouchMoved,
160 OnTouchMoved)
161 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetCursorPosAck,
162 OnSetCursorPosAck)
163 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ImeCandidatePopupChanged,
164 OnImeCandidatePopupChanged)
165 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ImeCompositionChanged,
166 OnImeCompositionChanged)
167 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ImeTextCommitted,
168 OnImeTextCommitted)
169 IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ImeInputSourceChanged,
170 OnImeInputSourceChanged)
171 IPC_MESSAGE_UNHANDLED(handled = false)
172 IPC_END_MESSAGE_MAP()
173 return handled;
174 }
175
176 void RemoteWindowTreeHostWin::HandleOpenURLOnDesktop(
177 const base::FilePath& shortcut,
178 const base::string16& url) {
179 if (!host_)
180 return;
181 host_->Send(new MetroViewerHostMsg_OpenURLOnDesktop(shortcut, url));
182 }
183
184 void RemoteWindowTreeHostWin::HandleWindowSizeChanged(uint32 width,
185 uint32 height) {
186 SetBounds(gfx::Rect(0, 0, width, height));
187 }
188
189 bool RemoteWindowTreeHostWin::IsForegroundWindow() {
190 return ::GetForegroundWindow() == remote_window_;
191 }
192
193 Window* RemoteWindowTreeHostWin::GetAshWindow() {
194 return window();
195 }
196
197 ui::EventSource* RemoteWindowTreeHostWin::GetEventSource() {
198 return this;
199 }
200
201 gfx::AcceleratedWidget RemoteWindowTreeHostWin::GetAcceleratedWidget() {
202 if (remote_window_)
203 return remote_window_;
204 // Getting here should only happen for ash_unittests.exe and related code.
205 return ::GetDesktopWindow();
206 }
207
208 void RemoteWindowTreeHostWin::Show() {
209 ui::RemoteInputMethodPrivateWin* remote_input_method_private =
210 GetRemoteInputMethodPrivate();
211 if (remote_input_method_private)
212 remote_input_method_private->SetRemoteDelegate(this);
213 }
214
215 void RemoteWindowTreeHostWin::Hide() {
216 NOTIMPLEMENTED();
217 }
218
219 gfx::Rect RemoteWindowTreeHostWin::GetBounds() const {
220 return gfx::Rect(window_size_);
221 }
222
223 void RemoteWindowTreeHostWin::SetBounds(const gfx::Rect& bounds) {
224 window_size_ = bounds.size();
225 OnHostResized(bounds.size());
226 }
227
228 gfx::Point RemoteWindowTreeHostWin::GetLocationOnNativeScreen() const {
229 return gfx::Point(0, 0);
230 }
231
232 void RemoteWindowTreeHostWin::SetCapture() {
233 }
234
235 void RemoteWindowTreeHostWin::ReleaseCapture() {
236 }
237
238 void RemoteWindowTreeHostWin::SetCursorNative(gfx::NativeCursor native_cursor) {
239 if (!host_)
240 return;
241 host_->Send(
242 new MetroViewerHostMsg_SetCursor(uint64(native_cursor.platform())));
243 }
244
245 void RemoteWindowTreeHostWin::MoveCursorToNative(const gfx::Point& location) {
246 VLOG(1) << "In MoveCursorTo: " << location.x() << ", " << location.y();
247 if (!host_)
248 return;
249
250 // This function can be called in cases like when the mouse cursor is
251 // restricted within a viewport (For e.g. LockCursor) which assumes that
252 // subsequent mouse moves would be received starting with the new cursor
253 // coordinates. This is a challenge for Windows ASH for the reasons
254 // outlined below.
255 // Other cases which don't expect this behavior should continue to work
256 // without issues.
257
258 // The mouse events are received by the viewer process and sent to the
259 // browser. If we invoke the SetCursor API here we continue to receive
260 // mouse messages from the viewer which were posted before the SetCursor
261 // API executes which messes up the state in the browser. To workaround
262 // this we invoke the SetCursor API in the viewer process and ignore
263 // mouse messages until we received an ACK from the viewer indicating that
264 // the SetCursor operation completed.
265 ignore_mouse_moves_until_set_cursor_ack_++;
266 VLOG(1) << "In MoveCursorTo. Sending IPC";
267 host_->Send(new MetroViewerHostMsg_SetCursorPos(location.x(), location.y()));
268 }
269
270 void RemoteWindowTreeHostWin::OnCursorVisibilityChangedNative(bool show) {
271 NOTIMPLEMENTED();
272 }
273
274 void RemoteWindowTreeHostWin::PostNativeEvent(
275 const base::NativeEvent& native_event) {
276 }
277
278 ui::EventProcessor* RemoteWindowTreeHostWin::GetEventProcessor() {
279 return dispatcher();
280 }
281
282 void RemoteWindowTreeHostWin::CancelComposition() {
283 if (!host_)
284 return;
285 host_->Send(new MetroViewerHostMsg_ImeCancelComposition);
286 }
287
288 void RemoteWindowTreeHostWin::OnTextInputClientUpdated(
289 const std::vector<int32>& input_scopes,
290 const std::vector<gfx::Rect>& composition_character_bounds) {
291 if (!host_)
292 return;
293 std::vector<metro_viewer::CharacterBounds> character_bounds;
294 for (size_t i = 0; i < composition_character_bounds.size(); ++i) {
295 const gfx::Rect& rect = composition_character_bounds[i];
296 metro_viewer::CharacterBounds bounds;
297 bounds.left = rect.x();
298 bounds.top = rect.y();
299 bounds.right = rect.right();
300 bounds.bottom = rect.bottom();
301 character_bounds.push_back(bounds);
302 }
303 host_->Send(new MetroViewerHostMsg_ImeTextInputClientUpdated(
304 input_scopes, character_bounds));
305 }
306
307 gfx::Point PointFromNativeEvent(int32 x, int32 y) {
308 static float scale_factor = gfx::GetDPIScale();
309 gfx::Point result( x * scale_factor, y * scale_factor);
310 return result;
311 }
312
313 void RemoteWindowTreeHostWin::OnMouseMoved(int32 x, int32 y, int32 flags) {
314 if (ignore_mouse_moves_until_set_cursor_ack_)
315 return;
316
317 gfx::Point location = PointFromNativeEvent(x, y);
318 ui::MouseEvent event(ui::ET_MOUSE_MOVED, location, location, flags, 0);
319 SendEventToProcessor(&event);
320 }
321
322 void RemoteWindowTreeHostWin::OnMouseButton(
323 const MetroViewerHostMsg_MouseButtonParams& params) {
324 gfx::Point location = PointFromNativeEvent(params.x, params.y);
325 ui::MouseEvent mouse_event(params.event_type, location, location,
326 static_cast<int>(params.flags),
327 static_cast<int>(params.changed_button));
328
329 SetEventFlags(params.flags | key_event_flags());
330 if (params.event_type == ui::ET_MOUSEWHEEL) {
331 int x_offset = params.is_horizontal_wheel ? params.extra : 0;
332 int y_offset = !params.is_horizontal_wheel ? params.extra : 0;
333 ui::MouseWheelEvent wheel_event(mouse_event, x_offset, y_offset);
334 SendEventToProcessor(&wheel_event);
335 } else if (params.event_type == ui::ET_MOUSE_PRESSED) {
336 // TODO(shrikant): Ideally modify code in event.cc by adding automatic
337 // tracking of double clicks in synthetic MouseEvent constructor code.
338 // Non-synthetic MouseEvent constructor code does automatically track
339 // this. Need to use some caution while modifying synthetic constructor
340 // as many tests and other code paths depend on it and apparently
341 // specifically depend on non implicit tracking of previous mouse event.
342 if (last_mouse_click_event_ &&
343 ui::MouseEvent::IsRepeatedClickEvent(mouse_event,
344 *last_mouse_click_event_)) {
345 mouse_event.SetClickCount(2);
346 } else {
347 mouse_event.SetClickCount(1);
348 }
349 last_mouse_click_event_ .reset(new ui::MouseEvent(mouse_event));
350 SendEventToProcessor(&mouse_event);
351 } else {
352 SendEventToProcessor(&mouse_event);
353 }
354 }
355
356 void RemoteWindowTreeHostWin::OnKeyDown(uint32 vkey,
357 uint32 repeat_count,
358 uint32 scan_code,
359 uint32 flags) {
360 DispatchKeyboardMessage(ui::ET_KEY_PRESSED, vkey, repeat_count, scan_code,
361 flags, false);
362 }
363
364 void RemoteWindowTreeHostWin::OnKeyUp(uint32 vkey,
365 uint32 repeat_count,
366 uint32 scan_code,
367 uint32 flags) {
368 DispatchKeyboardMessage(ui::ET_KEY_RELEASED, vkey, repeat_count, scan_code,
369 flags, false);
370 }
371
372 void RemoteWindowTreeHostWin::OnChar(uint32 key_code,
373 uint32 repeat_count,
374 uint32 scan_code,
375 uint32 flags) {
376 DispatchKeyboardMessage(ui::ET_KEY_PRESSED, key_code, repeat_count,
377 scan_code, flags, true);
378 }
379
380 void RemoteWindowTreeHostWin::OnWindowActivated(bool repaint) {
381 OnHostActivated();
382 if (repaint && compositor())
383 compositor()->ScheduleFullRedraw();
384 }
385
386 void RemoteWindowTreeHostWin::OnEdgeGesture() {
387 ui::GestureEvent event(
388 0,
389 0,
390 0,
391 ui::EventTimeForNow(),
392 ui::GestureEventDetails(ui::ET_GESTURE_WIN8_EDGE_SWIPE));
393 SendEventToProcessor(&event);
394 }
395
396 void RemoteWindowTreeHostWin::OnTouchDown(int32 x,
397 int32 y,
398 uint64 timestamp,
399 uint32 pointer_id) {
400 gfx::Point location = PointFromNativeEvent(x, y);
401 ui::TouchEvent event(ui::ET_TOUCH_PRESSED,
402 location,
403 pointer_id,
404 base::TimeDelta::FromMicroseconds(timestamp));
405 SendEventToProcessor(&event);
406 }
407
408 void RemoteWindowTreeHostWin::OnTouchUp(int32 x,
409 int32 y,
410 uint64 timestamp,
411 uint32 pointer_id) {
412 gfx::Point location = PointFromNativeEvent(x, y);
413 ui::TouchEvent event(ui::ET_TOUCH_RELEASED,
414 location,
415 pointer_id,
416 base::TimeDelta::FromMicroseconds(timestamp));
417 SendEventToProcessor(&event);
418 }
419
420 void RemoteWindowTreeHostWin::OnTouchMoved(int32 x,
421 int32 y,
422 uint64 timestamp,
423 uint32 pointer_id) {
424 gfx::Point location = PointFromNativeEvent(x, y);
425 ui::TouchEvent event(ui::ET_TOUCH_MOVED,
426 location,
427 pointer_id,
428 base::TimeDelta::FromMicroseconds(timestamp));
429 SendEventToProcessor(&event);
430 }
431
432 void RemoteWindowTreeHostWin::OnSetCursorPosAck() {
433 DCHECK_GT(ignore_mouse_moves_until_set_cursor_ack_, 0);
434 ignore_mouse_moves_until_set_cursor_ack_--;
435 }
436
437 ui::RemoteInputMethodPrivateWin*
438 RemoteWindowTreeHostWin::GetRemoteInputMethodPrivate() {
439 ui::InputMethod* input_method = GetAshWindow()->GetProperty(
440 aura::client::kRootWindowInputMethodKey);
441 return ui::RemoteInputMethodPrivateWin::Get(input_method);
442 }
443
444 void RemoteWindowTreeHostWin::OnImeCandidatePopupChanged(bool visible) {
445 ui::RemoteInputMethodPrivateWin* remote_input_method_private =
446 GetRemoteInputMethodPrivate();
447 if (!remote_input_method_private)
448 return;
449 remote_input_method_private->OnCandidatePopupChanged(visible);
450 }
451
452 void RemoteWindowTreeHostWin::OnImeCompositionChanged(
453 const base::string16& text,
454 int32 selection_start,
455 int32 selection_end,
456 const std::vector<metro_viewer::UnderlineInfo>& underlines) {
457 ui::RemoteInputMethodPrivateWin* remote_input_method_private =
458 GetRemoteInputMethodPrivate();
459 if (!remote_input_method_private)
460 return;
461 ui::CompositionText composition_text;
462 FillCompositionText(
463 text, selection_start, selection_end, underlines, &composition_text);
464 remote_input_method_private->OnCompositionChanged(composition_text);
465 }
466
467 void RemoteWindowTreeHostWin::OnImeTextCommitted(const base::string16& text) {
468 ui::RemoteInputMethodPrivateWin* remote_input_method_private =
469 GetRemoteInputMethodPrivate();
470 if (!remote_input_method_private)
471 return;
472 remote_input_method_private->OnTextCommitted(text);
473 }
474
475 void RemoteWindowTreeHostWin::OnImeInputSourceChanged(uint16 language_id,
476 bool is_ime) {
477 ui::RemoteInputMethodPrivateWin* remote_input_method_private =
478 GetRemoteInputMethodPrivate();
479 if (!remote_input_method_private)
480 return;
481 remote_input_method_private->OnInputSourceChanged(language_id, is_ime);
482 }
483
484 void RemoteWindowTreeHostWin::DispatchKeyboardMessage(ui::EventType type,
485 uint32 vkey,
486 uint32 repeat_count,
487 uint32 scan_code,
488 uint32 flags,
489 bool is_character) {
490 SetEventFlags(flags | mouse_event_flags());
491 if (base::MessageLoop::current()->IsNested()) {
492 int index = (flags & ui::EF_ALT_DOWN) ? 1 : 0;
493 const int char_message[] = {WM_CHAR, WM_SYSCHAR};
494 const int keydown_message[] = {WM_KEYDOWN, WM_SYSKEYDOWN};
495 const int keyup_message[] = {WM_KEYUP, WM_SYSKEYUP};
496 uint32 message = is_character
497 ? char_message[index]
498 : (type == ui::ET_KEY_PRESSED ? keydown_message[index]
499 : keyup_message[index]);
500 ::PostThreadMessage(::GetCurrentThreadId(),
501 message,
502 vkey,
503 repeat_count | scan_code >> 15);
504 } else if (is_character) {
505 ui::KeyEvent event(static_cast<base::char16>(vkey),
506 ui::KeyboardCodeForWindowsKeyCode(vkey),
507 flags);
508 SendEventToProcessor(&event);
509 } else {
510 ui::KeyEvent event(type,
511 ui::KeyboardCodeForWindowsKeyCode(vkey),
512 flags);
513 SendEventToProcessor(&event);
514 }
515 }
516
517 void RemoteWindowTreeHostWin::SetEventFlags(uint32 flags) {
518 if (flags == event_flags_)
519 return;
520 event_flags_ = flags;
521 SetVirtualKeyStates(event_flags_);
522 }
523
524 } // namespace aura
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