1 /*
2 * Copyright 2009, The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include <PlatformBridge.h>
28
29 #include "CookieClient.h"
30 #include "Document.h"
31 #include "FileSystemClient.h"
32 #include "FrameView.h"
33 #include "JNIUtility.h"
34 #include "JavaSharedClient.h"
35 #include "KeyGeneratorClient.h"
36 #include "MemoryUsage.h"
37 #include "PluginView.h"
38 #include "RenderLayer.h"
39 #include "RenderView.h"
40 #include "Settings.h"
41 #include "WebCookieJar.h"
42 #include "WebRequestContext.h"
43 #include "WebViewCore.h"
44 #include "npruntime.h"
45
46 #include <gui/SurfaceComposerClient.h>
47 #include <ui/DisplayInfo.h>
48 #include <ui/PixelFormat.h>
49 #include <wtf/android/AndroidThreading.h>
50 #include <wtf/MainThread.h>
51
52 #include <algorithm>
53
54 using namespace android;
55
56 namespace WebCore {
57
getSupportedKeyStrengthList()58 WTF::Vector<String> PlatformBridge::getSupportedKeyStrengthList()
59 {
60 KeyGeneratorClient* client = JavaSharedClient::GetKeyGeneratorClient();
61 if (!client)
62 return WTF::Vector<String>();
63
64 return client->getSupportedKeyStrengthList();
65 }
66
getSignedPublicKeyAndChallengeString(unsigned index,const String & challenge,const KURL & url)67 String PlatformBridge::getSignedPublicKeyAndChallengeString(unsigned index, const String& challenge, const KURL& url)
68 {
69 KeyGeneratorClient* client = JavaSharedClient::GetKeyGeneratorClient();
70 if (!client)
71 return String();
72
73 return client->getSignedPublicKeyAndChallengeString(index, challenge, url);
74 }
75
setCookies(const Document * document,const KURL & url,const String & value)76 void PlatformBridge::setCookies(const Document* document, const KURL& url, const String& value)
77 {
78 std::string cookieValue(value.utf8().data());
79 GURL cookieGurl(url.string().utf8().data());
80 bool isPrivateBrowsing = document->settings() && document->settings()->privateBrowsingEnabled();
81 WebCookieJar* cookieJar = WebCookieJar::get(isPrivateBrowsing);
82 if (cookieJar->allowCookies())
83 cookieJar->cookieStore()->SetCookie(cookieGurl, cookieValue);
84 }
85
cookies(const Document * document,const KURL & url)86 String PlatformBridge::cookies(const Document* document, const KURL& url)
87 {
88 GURL cookieGurl(url.string().utf8().data());
89 bool isPrivateBrowsing = document->settings() && document->settings()->privateBrowsingEnabled();
90 WebCookieJar* cookieJar = WebCookieJar::get(isPrivateBrowsing);
91 String cookieString;
92 if (cookieJar->allowCookies()) {
93 std::string cookies = cookieJar->cookieStore()->GetCookies(cookieGurl);
94 cookieString = cookies.c_str();
95 }
96 return cookieString;
97 }
98
cookiesEnabled(const Document * document)99 bool PlatformBridge::cookiesEnabled(const Document* document)
100 {
101 bool isPrivateBrowsing = document->settings() && document->settings()->privateBrowsingEnabled();
102 return WebCookieJar::get(isPrivateBrowsing)->allowCookies();
103 }
104
pluginScriptableObject(Widget * widget)105 NPObject* PlatformBridge::pluginScriptableObject(Widget* widget)
106 {
107 if (!widget->isPluginView())
108 return 0;
109
110 PluginView* pluginView = static_cast<PluginView*>(widget);
111 return pluginView->getNPObject();
112 }
113
isWebViewPaused(const WebCore::FrameView * frameView)114 bool PlatformBridge::isWebViewPaused(const WebCore::FrameView* frameView)
115 {
116 android::WebViewCore* webViewCore = android::WebViewCore::getWebViewCore(frameView);
117 return webViewCore->isPaused();
118 }
119
popupsAllowed(NPP)120 bool PlatformBridge::popupsAllowed(NPP)
121 {
122 return false;
123 }
124
resolveFilePathForContentUri(const String & contentUri)125 String PlatformBridge::resolveFilePathForContentUri(const String& contentUri)
126 {
127 FileSystemClient* client = JavaSharedClient::GetFileSystemClient();
128 return client->resolveFilePathForContentUri(contentUri);
129 }
130
screenDepth()131 int PlatformBridge::PlatformBridge::screenDepth()
132 {
133 android::DisplayInfo info;
134 android::SurfaceComposerClient::getDisplayInfo(android::DisplayID(0), &info);
135 return info.pixelFormatInfo.bitsPerPixel;
136 }
137
screenRect()138 FloatRect PlatformBridge::screenRect()
139 {
140 android::DisplayInfo info;
141 android::SurfaceComposerClient::getDisplayInfo(android::DisplayID(0), &info);
142 return FloatRect(0.0, 0.0, info.w, info.h);
143 }
144
145 // The visible size on screen in document coordinate
screenWidthInDocCoord(const WebCore::FrameView * frameView)146 int PlatformBridge::screenWidthInDocCoord(const WebCore::FrameView* frameView)
147 {
148 android::WebViewCore* webViewCore = android::WebViewCore::getWebViewCore(frameView);
149 return webViewCore->screenWidth();
150 }
151
screenHeightInDocCoord(const WebCore::FrameView * frameView)152 int PlatformBridge::screenHeightInDocCoord(const WebCore::FrameView* frameView)
153 {
154 android::WebViewCore* webViewCore = android::WebViewCore::getWebViewCore(frameView);
155 return webViewCore->screenHeight();
156 }
157
computeDefaultLanguage()158 String PlatformBridge::computeDefaultLanguage()
159 {
160 String acceptLanguages = WebRequestContext::acceptLanguage();
161 size_t length = acceptLanguages.find(',');
162 if (length == std::string::npos)
163 length = acceptLanguages.length();
164 return acceptLanguages.substring(0, length);
165 }
166
updateViewport(FrameView * frameView)167 void PlatformBridge::updateViewport(FrameView* frameView)
168 {
169 android::WebViewCore* webViewCore = android::WebViewCore::getWebViewCore(frameView);
170 webViewCore->updateViewport();
171 }
172
updateTextfield(FrameView * frameView,Node * nodePtr,bool changeToPassword,const WTF::String & text)173 void PlatformBridge::updateTextfield(FrameView* frameView, Node* nodePtr, bool changeToPassword, const WTF::String& text)
174 {
175 android::WebViewCore* webViewCore = android::WebViewCore::getWebViewCore(frameView);
176 webViewCore->updateTextfield(nodePtr, changeToPassword, text);
177 }
178
setScrollPosition(ScrollView * scrollView,int x,int y)179 void PlatformBridge::setScrollPosition(ScrollView* scrollView, int x, int y) {
180 FrameView* frameView = scrollView->frameView();
181 if (!frameView) return;
182 // Check to make sure the view is the main FrameView.
183 android::WebViewCore *webViewCore = android::WebViewCore::getWebViewCore(scrollView);
184 if (webViewCore->mainFrame()->view() == scrollView) {
185 x = std::max(0, std::min(frameView->contentsWidth(), x));
186 y = std::max(0, std::min(frameView->contentsHeight(), y));
187 webViewCore->scrollTo(x, y);
188 }
189 }
190
lowMemoryUsageMB()191 int PlatformBridge::lowMemoryUsageMB()
192 {
193 return MemoryUsage::lowMemoryUsageMb();
194 }
195
highMemoryUsageMB()196 int PlatformBridge::highMemoryUsageMB()
197 {
198 return MemoryUsage::highMemoryUsageMb();
199 }
200
highUsageDeltaMB()201 int PlatformBridge::highUsageDeltaMB()
202 {
203 return MemoryUsage::highUsageDeltaMb();
204 }
205
memoryUsageMB()206 int PlatformBridge::memoryUsageMB()
207 {
208 return MemoryUsage::memoryUsageMb(false);
209 }
210
actualMemoryUsageMB()211 int PlatformBridge::actualMemoryUsageMB()
212 {
213 return MemoryUsage::memoryUsageMb(true);
214 }
215
canSatisfyMemoryAllocation(long bytes)216 bool PlatformBridge::canSatisfyMemoryAllocation(long bytes)
217 {
218 JNIEnv* env = JSC::Bindings::getJNIEnv();
219 jclass bridgeClass = env->FindClass("android/webkit/JniUtil");
220 jmethodID method = env->GetStaticMethodID(bridgeClass, "canSatisfyMemoryAllocation", "(J)Z");
221 jboolean canAllocate = env->CallStaticBooleanMethod(bridgeClass, method, static_cast<jlong>(bytes));
222 env->DeleteLocalRef(bridgeClass);
223
224 return canAllocate == JNI_TRUE;
225 }
226
227 } // namespace WebCore
228
229
230 // This is the implementation of AndroidThreading, which is declared in
231 // JavaScriptCore/wtf/android/AndroidThreading.h. It is provided here, rather
232 // than in its own source file, to avoid linker problems.
233 //
234 // By default, when building a shared library, the linker strips from static
235 // libraries any compilation units which do not contain any code referenced from
236 // that static library. Since
237 // AndroidThreading::scheduleDispatchFunctionsOnMainThread is not referenced
238 // from libwebcore.a, implementing it in its own compilation unit results in it
239 // being stripped. This stripping can be avoided by using the linker option
240 // --whole-archive for libwebcore.a, but this adds considerably to the size of
241 // libwebcore.so.
242
243 namespace WTF {
244
245 // Callback in the main thread.
timeoutFired(void *)246 static void timeoutFired(void*)
247 {
248 dispatchFunctionsFromMainThread();
249 }
250
scheduleDispatchFunctionsOnMainThread()251 void AndroidThreading::scheduleDispatchFunctionsOnMainThread()
252 {
253 JavaSharedClient::EnqueueFunctionPtr(timeoutFired, 0);
254 }
255
256 } // namespace WTF
257