| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef WorkerStorageQuotaCallbacksBridge_h | |
| 32 #define WorkerStorageQuotaCallbacksBridge_h | |
| 33 | |
| 34 #include <WebStorageQuotaError.h> | |
| 35 #include <WebStorageQuotaType.h> | |
| 36 #include "core/dom/ScriptExecutionContext.h" | |
| 37 #include "core/storage/StorageArea.h" | |
| 38 #include "public/platform/WebVector.h" | |
| 39 #include "wtf/PassOwnPtr.h" | |
| 40 #include "wtf/PassRefPtr.h" | |
| 41 #include "wtf/text/WTFString.h" | |
| 42 #include "wtf/Threading.h" | |
| 43 | |
| 44 namespace WebCore { | |
| 45 class WorkerLoaderProxy; | |
| 46 } | |
| 47 | |
| 48 namespace WebKit { | |
| 49 | |
| 50 class MainThreadStorageQuotaCallbacks; | |
| 51 class WebCommonWorkerClient; | |
| 52 class WebStorageQuotaCallbacksImpl; | |
| 53 class WorkerStorageQuotaContextObserver; | |
| 54 | |
| 55 // Used to post a queryUsageAndQuota request to the main thread and get called b
ack for the request. | |
| 56 // | |
| 57 // Lifetime for this class is maintained by posted "tasks" which ref count it an
d by MainThreadStorageQuotaCallbacks. | |
| 58 // Either a task finishing or the MainThreadStorageQuotaCallbacks being deleted
may release the last ref on WorkerStorageQuotaCallbacksBridge. | |
| 59 // | |
| 60 // A typical flow for queryUsageAndQuota would look like this: | |
| 61 // Bridge::postQueryUsageAndQuotaToMainThread() on WorkerThread | |
| 62 // --> Bridge::queryUsageAndQuotaOnMainThread() is called on MainThread | |
| 63 // This makes an IPC with a MainThreadStorageQuotaCallbacks instance | |
| 64 // [actual operation is down in the browser] | |
| 65 // --> MainThreadStorageQuotaCallbacks::didXxx is called on MainThread | |
| 66 // --> Bridge::didXxxOnMainThread is called on MainThread | |
| 67 // --> Bridge::didXxxOnWorkerThread is called on WorkerThread | |
| 68 // This calls the original callbacks (m_callbacksOnWorkerThread). | |
| 69 class WorkerStorageQuotaCallbacksBridge : public ThreadSafeRefCounted<WorkerStor
ageQuotaCallbacksBridge> { | |
| 70 public: | |
| 71 ~WorkerStorageQuotaCallbacksBridge(); | |
| 72 | |
| 73 void stop(); | |
| 74 | |
| 75 static PassRefPtr<WorkerStorageQuotaCallbacksBridge> create(WebCore::WorkerL
oaderProxy* workerLoaderProxy, WebCore::ScriptExecutionContext* workerGlobalScop
e, WebStorageQuotaCallbacksImpl* callbacks) | |
| 76 { | |
| 77 return adoptRef(new WorkerStorageQuotaCallbacksBridge(workerLoaderProxy,
workerGlobalScope, callbacks)); | |
| 78 } | |
| 79 | |
| 80 // Entry method to post QueryUsageAndQuota task to main thread. | |
| 81 void postQueryUsageAndQuotaToMainThread(WebCommonWorkerClient*, WebStorageQu
otaType, const String& mode); | |
| 82 | |
| 83 // Callback methods that are called on the main thread. | |
| 84 void didFailOnMainThread(WebStorageQuotaError, const String& mode); | |
| 85 void didQueryStorageUsageAndQuotaOnMainThread(unsigned long long usageInByte
s, unsigned long long quotaInBytes, const String& mode); | |
| 86 | |
| 87 private: | |
| 88 WorkerStorageQuotaCallbacksBridge(WebCore::WorkerLoaderProxy*, WebCore::Scri
ptExecutionContext*, WebStorageQuotaCallbacksImpl*); | |
| 89 | |
| 90 // Method that is called on the main thread. | |
| 91 static void runTaskOnMainThread(WebCore::ScriptExecutionContext*, PassRefPtr
<WorkerStorageQuotaCallbacksBridge>, PassOwnPtr<WebCore::ScriptExecutionContext:
:Task>); | |
| 92 static void runTaskOnWorkerThread(WebCore::ScriptExecutionContext*, PassRefP
tr<WorkerStorageQuotaCallbacksBridge>, PassOwnPtr<WebCore::ScriptExecutionContex
t::Task>); | |
| 93 static void queryUsageAndQuotaOnMainThread(WebCore::ScriptExecutionContext*,
WebCommonWorkerClient*, WebStorageQuotaType, PassRefPtr<WorkerStorageQuotaCallb
acksBridge>, const String& mode); | |
| 94 | |
| 95 friend class MainThreadStorageQuotaCallbacks; | |
| 96 | |
| 97 // Methods that dispatch WebStorageQuotaCallbacks on the worker threads. | |
| 98 static void didFailOnWorkerThread(WebCore::ScriptExecutionContext*, PassRefP
tr<WorkerStorageQuotaCallbacksBridge>, WebStorageQuotaError); | |
| 99 static void didQueryStorageUsageAndQuotaOnWorkerThread(WebCore::ScriptExecut
ionContext*, PassRefPtr<WorkerStorageQuotaCallbacksBridge>, unsigned long long u
sageInBytes, unsigned long long quotaInBytes); | |
| 100 | |
| 101 void dispatchTaskToMainThread(PassOwnPtr<WebCore::ScriptExecutionContext::Ta
sk>); | |
| 102 void mayPostTaskToWorker(PassOwnPtr<WebCore::ScriptExecutionContext::Task>,
const String& mode); | |
| 103 | |
| 104 void cleanUpAfterCallback(); | |
| 105 | |
| 106 Mutex m_loaderProxyMutex; | |
| 107 WebCore::WorkerLoaderProxy* m_workerLoaderProxy; | |
| 108 | |
| 109 WebCore::ScriptExecutionContext* m_workerGlobalScope; | |
| 110 | |
| 111 // Must be deleted on the WorkerGlobalScope thread. | |
| 112 WorkerStorageQuotaContextObserver* m_workerGlobalScopeObserver; | |
| 113 | |
| 114 // This is self-destructed and must be fired on the worker thread. | |
| 115 WebStorageQuotaCallbacksImpl* m_callbacksOnWorkerThread; | |
| 116 }; | |
| 117 | |
| 118 } // namespace WebCore | |
| 119 | |
| 120 #endif // WorkerStorageQuotaCallbacksBridge_h | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 20262003:
Use Platform::queryUsageAndQuota and deprecate WebFrameClient::queryUsageAndQuota (Closed)
Base URL: svn://svn.chromium.org/blink/trunk