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1 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* vim: set ts=8 sts=2 et sw=2 tw=99: */
3 : /* This Source Code Form is subject to the terms of the Mozilla Public
4 : * License, v. 2.0. If a copy of the MPL was not distributed with this
5 : * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 :
7 : #include "mozilla/layers/APZCTreeManagerParent.h"
8 :
9 : #include "mozilla/layers/APZCTreeManager.h"
10 : #include "mozilla/layers/APZThreadUtils.h"
11 :
12 : namespace mozilla {
13 : namespace layers {
14 :
15 1 : APZCTreeManagerParent::APZCTreeManagerParent(uint64_t aLayersId, RefPtr<APZCTreeManager> aAPZCTreeManager)
16 : : mLayersId(aLayersId)
17 1 : , mTreeManager(aAPZCTreeManager)
18 : {
19 1 : MOZ_ASSERT(aAPZCTreeManager != nullptr);
20 1 : }
21 :
22 0 : APZCTreeManagerParent::~APZCTreeManagerParent()
23 : {
24 0 : }
25 :
26 : void
27 0 : APZCTreeManagerParent::ChildAdopted(RefPtr<APZCTreeManager> aAPZCTreeManager)
28 : {
29 0 : MOZ_ASSERT(aAPZCTreeManager != nullptr);
30 0 : mTreeManager = aAPZCTreeManager;
31 0 : }
32 :
33 : mozilla::ipc::IPCResult
34 0 : APZCTreeManagerParent::RecvReceiveMultiTouchInputEvent(
35 : const MultiTouchInput& aEvent,
36 : nsEventStatus* aOutStatus,
37 : MultiTouchInput* aOutEvent,
38 : ScrollableLayerGuid* aOutTargetGuid,
39 : uint64_t* aOutInputBlockId)
40 : {
41 0 : MultiTouchInput event = aEvent;
42 :
43 0 : *aOutStatus = mTreeManager->ReceiveInputEvent(
44 : event,
45 : aOutTargetGuid,
46 0 : aOutInputBlockId);
47 0 : *aOutEvent = event;
48 :
49 0 : return IPC_OK();
50 : }
51 :
52 : mozilla::ipc::IPCResult
53 0 : APZCTreeManagerParent::RecvReceiveMouseInputEvent(
54 : const MouseInput& aEvent,
55 : nsEventStatus* aOutStatus,
56 : MouseInput* aOutEvent,
57 : ScrollableLayerGuid* aOutTargetGuid,
58 : uint64_t* aOutInputBlockId)
59 : {
60 0 : MouseInput event = aEvent;
61 :
62 0 : *aOutStatus = mTreeManager->ReceiveInputEvent(
63 : event,
64 : aOutTargetGuid,
65 0 : aOutInputBlockId);
66 0 : *aOutEvent = event;
67 :
68 0 : return IPC_OK();
69 : }
70 :
71 : mozilla::ipc::IPCResult
72 0 : APZCTreeManagerParent::RecvReceivePanGestureInputEvent(
73 : const PanGestureInput& aEvent,
74 : nsEventStatus* aOutStatus,
75 : PanGestureInput* aOutEvent,
76 : ScrollableLayerGuid* aOutTargetGuid,
77 : uint64_t* aOutInputBlockId)
78 : {
79 0 : PanGestureInput event = aEvent;
80 :
81 0 : *aOutStatus = mTreeManager->ReceiveInputEvent(
82 : event,
83 : aOutTargetGuid,
84 0 : aOutInputBlockId);
85 0 : *aOutEvent = event;
86 :
87 0 : return IPC_OK();
88 : }
89 :
90 : mozilla::ipc::IPCResult
91 0 : APZCTreeManagerParent::RecvReceivePinchGestureInputEvent(
92 : const PinchGestureInput& aEvent,
93 : nsEventStatus* aOutStatus,
94 : PinchGestureInput* aOutEvent,
95 : ScrollableLayerGuid* aOutTargetGuid,
96 : uint64_t* aOutInputBlockId)
97 : {
98 0 : PinchGestureInput event = aEvent;
99 :
100 0 : *aOutStatus = mTreeManager->ReceiveInputEvent(
101 : event,
102 : aOutTargetGuid,
103 0 : aOutInputBlockId);
104 0 : *aOutEvent = event;
105 :
106 0 : return IPC_OK();
107 : }
108 :
109 : mozilla::ipc::IPCResult
110 0 : APZCTreeManagerParent::RecvReceiveTapGestureInputEvent(
111 : const TapGestureInput& aEvent,
112 : nsEventStatus* aOutStatus,
113 : TapGestureInput* aOutEvent,
114 : ScrollableLayerGuid* aOutTargetGuid,
115 : uint64_t* aOutInputBlockId)
116 : {
117 0 : TapGestureInput event = aEvent;
118 :
119 0 : *aOutStatus = mTreeManager->ReceiveInputEvent(
120 : event,
121 : aOutTargetGuid,
122 0 : aOutInputBlockId);
123 0 : *aOutEvent = event;
124 :
125 0 : return IPC_OK();
126 : }
127 :
128 : mozilla::ipc::IPCResult
129 0 : APZCTreeManagerParent::RecvReceiveScrollWheelInputEvent(
130 : const ScrollWheelInput& aEvent,
131 : nsEventStatus* aOutStatus,
132 : ScrollWheelInput* aOutEvent,
133 : ScrollableLayerGuid* aOutTargetGuid,
134 : uint64_t* aOutInputBlockId)
135 : {
136 0 : ScrollWheelInput event = aEvent;
137 :
138 0 : *aOutStatus = mTreeManager->ReceiveInputEvent(
139 : event,
140 : aOutTargetGuid,
141 0 : aOutInputBlockId);
142 0 : *aOutEvent = event;
143 :
144 0 : return IPC_OK();
145 : }
146 :
147 : mozilla::ipc::IPCResult
148 0 : APZCTreeManagerParent::RecvReceiveKeyboardInputEvent(
149 : const KeyboardInput& aEvent,
150 : nsEventStatus* aOutStatus,
151 : KeyboardInput* aOutEvent,
152 : ScrollableLayerGuid* aOutTargetGuid,
153 : uint64_t* aOutInputBlockId)
154 : {
155 0 : KeyboardInput event = aEvent;
156 :
157 0 : *aOutStatus = mTreeManager->ReceiveInputEvent(
158 : event,
159 : aOutTargetGuid,
160 0 : aOutInputBlockId);
161 0 : *aOutEvent = event;
162 :
163 0 : return IPC_OK();
164 : }
165 :
166 : mozilla::ipc::IPCResult
167 0 : APZCTreeManagerParent::RecvSetKeyboardMap(const KeyboardMap& aKeyboardMap)
168 : {
169 0 : mTreeManager->SetKeyboardMap(aKeyboardMap);
170 :
171 0 : return IPC_OK();
172 : }
173 :
174 : mozilla::ipc::IPCResult
175 0 : APZCTreeManagerParent::RecvZoomToRect(
176 : const ScrollableLayerGuid& aGuid,
177 : const CSSRect& aRect,
178 : const uint32_t& aFlags)
179 : {
180 0 : if (aGuid.mLayersId != mLayersId) {
181 : // Guard against bad data from hijacked child processes
182 0 : NS_ERROR("Unexpected layers id in RecvZoomToRect; dropping message...");
183 0 : return IPC_FAIL_NO_REASON(this);
184 : }
185 :
186 0 : mTreeManager->ZoomToRect(aGuid, aRect, aFlags);
187 0 : return IPC_OK();
188 : }
189 :
190 : mozilla::ipc::IPCResult
191 0 : APZCTreeManagerParent::RecvContentReceivedInputBlock(
192 : const uint64_t& aInputBlockId,
193 : const bool& aPreventDefault)
194 : {
195 0 : APZThreadUtils::RunOnControllerThread(NewRunnableMethod<uint64_t, bool>(
196 : "layers::IAPZCTreeManager::ContentReceivedInputBlock",
197 : mTreeManager,
198 : &IAPZCTreeManager::ContentReceivedInputBlock,
199 : aInputBlockId,
200 0 : aPreventDefault));
201 :
202 0 : return IPC_OK();
203 : }
204 :
205 : mozilla::ipc::IPCResult
206 0 : APZCTreeManagerParent::RecvSetTargetAPZC(
207 : const uint64_t& aInputBlockId,
208 : nsTArray<ScrollableLayerGuid>&& aTargets)
209 : {
210 0 : for (size_t i = 0; i < aTargets.Length(); i++) {
211 0 : if (aTargets[i].mLayersId != mLayersId) {
212 : // Guard against bad data from hijacked child processes
213 0 : NS_ERROR("Unexpected layers id in RecvSetTargetAPZC; dropping message...");
214 0 : return IPC_FAIL_NO_REASON(this);
215 : }
216 : }
217 0 : APZThreadUtils::RunOnControllerThread(
218 : NewRunnableMethod<uint64_t,
219 0 : StoreCopyPassByRRef<nsTArray<ScrollableLayerGuid>>>(
220 : "layers::IAPZCTreeManager::SetTargetAPZC",
221 : mTreeManager,
222 : &IAPZCTreeManager::SetTargetAPZC,
223 : aInputBlockId,
224 0 : aTargets));
225 :
226 0 : return IPC_OK();
227 : }
228 :
229 : mozilla::ipc::IPCResult
230 1 : APZCTreeManagerParent::RecvUpdateZoomConstraints(
231 : const ScrollableLayerGuid& aGuid,
232 : const MaybeZoomConstraints& aConstraints)
233 : {
234 1 : if (aGuid.mLayersId != mLayersId) {
235 : // Guard against bad data from hijacked child processes
236 0 : NS_ERROR("Unexpected layers id in RecvUpdateZoomConstraints; dropping message...");
237 0 : return IPC_FAIL_NO_REASON(this);
238 : }
239 :
240 1 : mTreeManager->UpdateZoomConstraints(aGuid, aConstraints);
241 1 : return IPC_OK();
242 : }
243 :
244 : mozilla::ipc::IPCResult
245 0 : APZCTreeManagerParent::RecvCancelAnimation(const ScrollableLayerGuid& aGuid)
246 : {
247 0 : if (aGuid.mLayersId != mLayersId) {
248 : // Guard against bad data from hijacked child processes
249 0 : NS_ERROR("Unexpected layers id in RecvCancelAnimation; dropping message...");
250 0 : return IPC_FAIL_NO_REASON(this);
251 : }
252 :
253 0 : mTreeManager->CancelAnimation(aGuid);
254 0 : return IPC_OK();
255 : }
256 :
257 : mozilla::ipc::IPCResult
258 0 : APZCTreeManagerParent::RecvSetDPI(const float& aDpiValue)
259 : {
260 0 : mTreeManager->SetDPI(aDpiValue);
261 0 : return IPC_OK();
262 : }
263 :
264 : mozilla::ipc::IPCResult
265 0 : APZCTreeManagerParent::RecvSetAllowedTouchBehavior(
266 : const uint64_t& aInputBlockId,
267 : nsTArray<TouchBehaviorFlags>&& aValues)
268 : {
269 0 : APZThreadUtils::RunOnControllerThread(
270 : NewRunnableMethod<uint64_t,
271 0 : StoreCopyPassByRRef<nsTArray<TouchBehaviorFlags>>>(
272 : "layers::IAPZCTreeManager::SetAllowedTouchBehavior",
273 : mTreeManager,
274 : &IAPZCTreeManager::SetAllowedTouchBehavior,
275 : aInputBlockId,
276 0 : Move(aValues)));
277 :
278 0 : return IPC_OK();
279 : }
280 :
281 : mozilla::ipc::IPCResult
282 0 : APZCTreeManagerParent::RecvStartScrollbarDrag(
283 : const ScrollableLayerGuid& aGuid,
284 : const AsyncDragMetrics& aDragMetrics)
285 : {
286 0 : if (aGuid.mLayersId != mLayersId) {
287 : // Guard against bad data from hijacked child processes
288 0 : NS_ERROR("Unexpected layers id in RecvStartScrollbarDrag; dropping message...");
289 0 : return IPC_FAIL_NO_REASON(this);
290 : }
291 :
292 0 : APZThreadUtils::RunOnControllerThread(
293 0 : NewRunnableMethod<ScrollableLayerGuid, AsyncDragMetrics>(
294 : "layers::IAPZCTreeManager::StartScrollbarDrag",
295 : mTreeManager,
296 : &IAPZCTreeManager::StartScrollbarDrag,
297 : aGuid,
298 0 : aDragMetrics));
299 :
300 0 : return IPC_OK();
301 : }
302 :
303 : mozilla::ipc::IPCResult
304 0 : APZCTreeManagerParent::RecvSetLongTapEnabled(const bool& aTapGestureEnabled)
305 : {
306 0 : mTreeManager->SetLongTapEnabled(aTapGestureEnabled);
307 0 : return IPC_OK();
308 : }
309 :
310 : mozilla::ipc::IPCResult
311 0 : APZCTreeManagerParent::RecvProcessTouchVelocity(
312 : const uint32_t& aTimestampMs,
313 : const float& aSpeedY)
314 : {
315 0 : mTreeManager->ProcessTouchVelocity(aTimestampMs, aSpeedY);
316 0 : return IPC_OK();
317 : }
318 :
319 : mozilla::ipc::IPCResult
320 0 : APZCTreeManagerParent::RecvUpdateWheelTransaction(
321 : const LayoutDeviceIntPoint& aRefPoint,
322 : const EventMessage& aEventMessage)
323 : {
324 0 : mTreeManager->UpdateWheelTransaction(aRefPoint, aEventMessage);
325 0 : return IPC_OK();
326 : }
327 :
328 : mozilla::ipc::IPCResult
329 0 : APZCTreeManagerParent::RecvProcessUnhandledEvent(
330 : const LayoutDeviceIntPoint& aRefPoint,
331 : LayoutDeviceIntPoint* aOutRefPoint,
332 : ScrollableLayerGuid* aOutTargetGuid,
333 : uint64_t* aOutFocusSequenceNumber)
334 : {
335 0 : LayoutDeviceIntPoint refPoint = aRefPoint;
336 0 : mTreeManager->ProcessUnhandledEvent(&refPoint, aOutTargetGuid, aOutFocusSequenceNumber);
337 0 : *aOutRefPoint = refPoint;
338 :
339 0 : return IPC_OK();
340 : }
341 :
342 : } // namespace layers
343 : } // namespace mozilla
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