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1 // Copyright 2014 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 "content/browser/screen_orientation/screen_orientation_provider_android
.h" | |
6 | |
7 #include "content/browser/android/content_view_core_impl.h" | |
8 #include "content/browser/web_contents/web_contents_impl.h" | |
9 #include "content/public/browser/render_view_host.h" | |
10 #include "content/public/browser/render_widget_host.h" | |
11 #include "content/public/browser/screen_orientation_dispatcher_host.h" | |
12 #include "jni/ScreenOrientationProvider_jni.h" | |
13 #include "third_party/WebKit/public/platform/WebLockOrientationError.h" | |
14 #include "third_party/WebKit/public/platform/WebScreenInfo.h" | |
15 | |
16 namespace content { | |
17 | |
18 ScreenOrientationProviderAndroid::LockInformation::LockInformation( | |
19 int request_id, blink::WebScreenOrientationLockType lock) | |
20 : request_id(request_id), lock(lock) {} | |
21 | |
22 ScreenOrientationProviderAndroid::ScreenOrientationProviderAndroid( | |
23 ScreenOrientationDispatcherHost* dispatcher, | |
24 WebContents* web_contents) | |
25 : ScreenOrientationProvider(), | |
26 WebContentsObserver(web_contents), | |
27 dispatcher_(dispatcher), | |
28 lock_applied_(false), | |
29 pending_lock_(NULL) { | |
30 } | |
31 | |
32 ScreenOrientationProviderAndroid::~ScreenOrientationProviderAndroid() { | |
33 if (pending_lock_) | |
34 delete pending_lock_; | |
35 } | |
36 | |
37 WebContentsImpl* ScreenOrientationProviderAndroid::web_contents_impl() { | |
38 return static_cast<WebContentsImpl*>(web_contents()); | |
39 } | |
40 | |
41 // static | |
42 bool ScreenOrientationProviderAndroid::Register(JNIEnv* env) { | |
43 return RegisterNativesImpl(env); | |
44 } | |
45 | |
46 void ScreenOrientationProviderAndroid::LockOrientation( | |
47 int request_id, | |
48 blink::WebScreenOrientationLockType lock_orientation) { | |
49 ContentViewCoreImpl* cvc = | |
50 ContentViewCoreImpl::FromWebContents(web_contents()); | |
51 bool fullscreen_required = cvc ? cvc->IsFullscreenRequiredForOrientationLock() | |
52 : true; | |
53 | |
54 if (fullscreen_required && | |
55 !web_contents_impl()->IsFullscreenForCurrentTab()) { | |
56 dispatcher_->NotifyLockError( | |
57 request_id, | |
58 blink::WebLockOrientationErrorFullScreenRequired); | |
59 return; | |
60 } | |
61 | |
62 if (lock_orientation == blink::WebScreenOrientationLockNatural) { | |
63 lock_orientation = GetNaturalLockType(); | |
64 if (lock_orientation == blink::WebScreenOrientationLockDefault) { | |
65 // We are in a broken state, let's pretend we got canceled. | |
66 dispatcher_->NotifyLockError(request_id, | |
67 blink::WebLockOrientationErrorCanceled); | |
68 return; | |
69 } | |
70 } | |
71 | |
72 lock_applied_ = true; | |
73 Java_ScreenOrientationProvider_lockOrientation( | |
74 base::android::AttachCurrentThread(), lock_orientation); | |
75 | |
76 // If two calls happen close to each other, Android will ignore the first. | |
77 if (pending_lock_) { | |
78 delete pending_lock_; | |
79 pending_lock_ = NULL; | |
80 } | |
81 | |
82 // If the orientation we are locking to matches the current orientation, we | |
83 // should succeed immediately. | |
84 if (LockMatchesCurrentOrientation(lock_orientation)) { | |
85 dispatcher_->NotifyLockSuccess(request_id); | |
86 return; | |
87 } | |
88 | |
89 pending_lock_ = new LockInformation(request_id, lock_orientation); | |
90 } | |
91 | |
92 void ScreenOrientationProviderAndroid::UnlockOrientation() { | |
93 if (!lock_applied_) | |
94 return; | |
95 | |
96 Java_ScreenOrientationProvider_unlockOrientation( | |
97 base::android::AttachCurrentThread()); | |
98 lock_applied_ = false; | |
99 } | |
100 | |
101 void ScreenOrientationProviderAndroid::OnOrientationChange() { | |
102 if (!pending_lock_) | |
103 return; | |
104 | |
105 if (LockMatchesCurrentOrientation(pending_lock_->lock)) { | |
106 dispatcher_->NotifyLockSuccess(pending_lock_->request_id); | |
107 delete pending_lock_; | |
108 pending_lock_ = NULL; | |
109 } | |
110 } | |
111 | |
112 void ScreenOrientationProviderAndroid::DidToggleFullscreenModeForTab( | |
113 bool entered_fullscreen) { | |
114 if (!lock_applied_) | |
115 return; | |
116 | |
117 // If fullscreen is not required in order to lock orientation, don't unlock | |
118 // when fullscreen state changes. | |
119 ContentViewCoreImpl* cvc = | |
120 ContentViewCoreImpl::FromWebContents(web_contents()); | |
121 if (cvc && !cvc->IsFullscreenRequiredForOrientationLock()) | |
122 return; | |
123 | |
124 DCHECK(!entered_fullscreen); | |
125 UnlockOrientation(); | |
126 } | |
127 | |
128 bool ScreenOrientationProviderAndroid::LockMatchesCurrentOrientation( | |
129 blink::WebScreenOrientationLockType lock_orientation) { | |
130 if (!web_contents()->GetRenderViewHost()) | |
131 return false; | |
132 | |
133 RenderWidgetHost* rwh = web_contents()->GetRenderViewHost(); | |
134 blink::WebScreenInfo screen_info; | |
135 rwh->GetWebScreenInfo(&screen_info); | |
136 | |
137 switch (lock_orientation) { | |
138 case blink::WebScreenOrientationLockPortraitPrimary: | |
139 return screen_info.orientationType == | |
140 blink::WebScreenOrientationPortraitPrimary; | |
141 case blink::WebScreenOrientationLockPortraitSecondary: | |
142 return screen_info.orientationType == | |
143 blink::WebScreenOrientationPortraitSecondary; | |
144 case blink::WebScreenOrientationLockLandscapePrimary: | |
145 return screen_info.orientationType == | |
146 blink::WebScreenOrientationLandscapePrimary; | |
147 case blink::WebScreenOrientationLockLandscapeSecondary: | |
148 return screen_info.orientationType == | |
149 blink::WebScreenOrientationLandscapeSecondary; | |
150 case blink::WebScreenOrientationLockLandscape: | |
151 return screen_info.orientationType == | |
152 blink::WebScreenOrientationLandscapePrimary || | |
153 screen_info.orientationType == | |
154 blink::WebScreenOrientationLandscapeSecondary; | |
155 case blink::WebScreenOrientationLockPortrait: | |
156 return screen_info.orientationType == | |
157 blink::WebScreenOrientationPortraitPrimary || | |
158 screen_info.orientationType == | |
159 blink::WebScreenOrientationPortraitSecondary; | |
160 case blink::WebScreenOrientationLockAny: | |
161 return true; | |
162 case blink::WebScreenOrientationLockNatural: | |
163 case blink::WebScreenOrientationLockDefault: | |
164 NOTREACHED(); | |
165 return false; | |
166 } | |
167 | |
168 NOTREACHED(); | |
169 return false; | |
170 } | |
171 | |
172 blink::WebScreenOrientationLockType | |
173 ScreenOrientationProviderAndroid::GetNaturalLockType() const { | |
174 if (!web_contents()->GetRenderViewHost()) | |
175 return blink::WebScreenOrientationLockDefault; | |
176 | |
177 RenderWidgetHost* rwh = web_contents()->GetRenderViewHost(); | |
178 blink::WebScreenInfo screen_info; | |
179 rwh->GetWebScreenInfo(&screen_info); | |
180 | |
181 switch (screen_info.orientationType) { | |
182 case blink::WebScreenOrientationPortraitPrimary: | |
183 case blink::WebScreenOrientationPortraitSecondary: | |
184 if (screen_info.orientationAngle == 0 || | |
185 screen_info.orientationAngle == 180) { | |
186 return blink::WebScreenOrientationLockPortraitPrimary; | |
187 } | |
188 return blink::WebScreenOrientationLockLandscapePrimary; | |
189 case blink::WebScreenOrientationLandscapePrimary: | |
190 case blink::WebScreenOrientationLandscapeSecondary: | |
191 if (screen_info.orientationAngle == 0 || | |
192 screen_info.orientationAngle == 180) { | |
193 return blink::WebScreenOrientationLockLandscapePrimary; | |
194 } | |
195 return blink::WebScreenOrientationLockPortraitPrimary; | |
196 case blink::WebScreenOrientationUndefined: | |
197 NOTREACHED(); | |
198 return blink::WebScreenOrientationLockDefault; | |
199 } | |
200 | |
201 NOTREACHED(); | |
202 return blink::WebScreenOrientationLockDefault; | |
203 } | |
204 | |
205 // static | |
206 void ScreenOrientationProviderAndroid::StartAccurateListening() { | |
207 Java_ScreenOrientationProvider_startAccurateListening( | |
208 base::android::AttachCurrentThread()); | |
209 } | |
210 | |
211 // static | |
212 void ScreenOrientationProviderAndroid::StopAccurateListening() { | |
213 Java_ScreenOrientationProvider_stopAccurateListening( | |
214 base::android::AttachCurrentThread()); | |
215 } | |
216 | |
217 // static | |
218 ScreenOrientationProvider* ScreenOrientationProvider::Create( | |
219 ScreenOrientationDispatcherHost* dispatcher, | |
220 WebContents* web_contents) { | |
221 return new ScreenOrientationProviderAndroid(dispatcher, web_contents); | |
222 } | |
223 | |
224 } // namespace content | |
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