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 54using namespace android; 55 56namespace WebCore { 57 58WTF::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 67String 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 76void 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 86String 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 99bool PlatformBridge::cookiesEnabled(const Document* document) 100{ 101 bool isPrivateBrowsing = document->settings() && document->settings()->privateBrowsingEnabled(); 102 return WebCookieJar::get(isPrivateBrowsing)->allowCookies(); 103} 104 105NPObject* 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 114bool PlatformBridge::isWebViewPaused(const WebCore::FrameView* frameView) 115{ 116 android::WebViewCore* webViewCore = android::WebViewCore::getWebViewCore(frameView); 117 return webViewCore->isPaused(); 118} 119 120bool PlatformBridge::popupsAllowed(NPP) 121{ 122 return false; 123} 124 125String PlatformBridge::resolveFilePathForContentUri(const String& contentUri) 126{ 127 FileSystemClient* client = JavaSharedClient::GetFileSystemClient(); 128 return client->resolveFilePathForContentUri(contentUri); 129} 130 131int PlatformBridge::PlatformBridge::screenDepth() 132{ 133 android::DisplayInfo info; 134 android::SurfaceComposerClient::getDisplayInfo(android::DisplayID(0), &info); 135 return info.pixelFormatInfo.bitsPerPixel; 136} 137 138FloatRect 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 146int PlatformBridge::screenWidthInDocCoord(const WebCore::FrameView* frameView) 147{ 148 android::WebViewCore* webViewCore = android::WebViewCore::getWebViewCore(frameView); 149 return webViewCore->screenWidth(); 150} 151 152int PlatformBridge::screenHeightInDocCoord(const WebCore::FrameView* frameView) 153{ 154 android::WebViewCore* webViewCore = android::WebViewCore::getWebViewCore(frameView); 155 return webViewCore->screenHeight(); 156} 157 158String 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 167void PlatformBridge::updateViewport(FrameView* frameView) 168{ 169 android::WebViewCore* webViewCore = android::WebViewCore::getWebViewCore(frameView); 170 webViewCore->updateViewport(); 171} 172 173void 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 179void 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 191int PlatformBridge::lowMemoryUsageMB() 192{ 193 return MemoryUsage::lowMemoryUsageMb(); 194} 195 196int PlatformBridge::highMemoryUsageMB() 197{ 198 return MemoryUsage::highMemoryUsageMb(); 199} 200 201int PlatformBridge::highUsageDeltaMB() 202{ 203 return MemoryUsage::highUsageDeltaMb(); 204} 205 206int PlatformBridge::memoryUsageMB() 207{ 208 return MemoryUsage::memoryUsageMb(false); 209} 210 211int PlatformBridge::actualMemoryUsageMB() 212{ 213 return MemoryUsage::memoryUsageMb(true); 214} 215 216bool 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 243namespace WTF { 244 245// Callback in the main thread. 246static void timeoutFired(void*) 247{ 248 dispatchFunctionsFromMainThread(); 249} 250 251void AndroidThreading::scheduleDispatchFunctionsOnMainThread() 252{ 253 JavaSharedClient::EnqueueFunctionPtr(timeoutFired, 0); 254} 255 256} // namespace WTF 257