| /* |
| * Copyright (C) 2013 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| // FIXME: ApplicationCacheManager lacks advanced multi-target support. (ApplciationCache objects per-target) |
| |
| WI.ApplicationCacheManager = class ApplicationCacheManager extends WI.Object |
| { |
| constructor() |
| { |
| super(); |
| |
| this._enabled = false; |
| this._reset(); |
| } |
| |
| // Agent |
| |
| get domains() { return ["ApplicationCache"]; } |
| |
| activateExtraDomain(domain) |
| { |
| // COMPATIBILITY (iOS 14.0): Inspector.activateExtraDomains was removed in favor of a declared debuggable type |
| |
| console.assert(domain === "ApplicationCache"); |
| |
| for (let target of WI.targets) |
| this.initializeTarget(target); |
| } |
| |
| // Target |
| |
| initializeTarget(target) |
| { |
| if (!this._enabled) |
| return; |
| |
| if (target.hasDomain("ApplicationCache")) { |
| target.ApplicationCacheAgent.enable(); |
| target.ApplicationCacheAgent.getFramesWithManifests(this._framesWithManifestsLoaded.bind(this)); |
| } |
| } |
| |
| // Public |
| |
| get online() { return this._online; } |
| |
| get applicationCacheObjects() |
| { |
| var applicationCacheObjects = []; |
| for (var id in this._applicationCacheObjects) |
| applicationCacheObjects.push(this._applicationCacheObjects[id]); |
| return applicationCacheObjects; |
| } |
| |
| enable() |
| { |
| console.assert(!this._enabled); |
| |
| this._enabled = true; |
| |
| this._reset(); |
| |
| for (let target of WI.targets) |
| this.initializeTarget(target); |
| |
| WI.Frame.addEventListener(WI.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this); |
| WI.Frame.addEventListener(WI.Frame.Event.ChildFrameWasRemoved, this._childFrameWasRemoved, this); |
| } |
| |
| disable() |
| { |
| console.assert(this._enabled); |
| |
| this._enabled = false; |
| |
| for (let target of WI.targets) { |
| // COMPATIBILITY (iOS 13): ApplicationCache.disable did not exist yet. |
| if (target.hasCommand("ApplicationCache.disable")) |
| target.ApplicationCacheAgent.disable(); |
| } |
| |
| WI.Frame.removeEventListener(WI.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this); |
| WI.Frame.removeEventListener(WI.Frame.Event.ChildFrameWasRemoved, this._childFrameWasRemoved, this); |
| |
| this._reset(); |
| } |
| |
| requestApplicationCache(frame, callback) |
| { |
| console.assert(this._enabled); |
| |
| function callbackWrapper(error, applicationCache) |
| { |
| if (error) { |
| callback(null); |
| return; |
| } |
| |
| callback(applicationCache); |
| } |
| |
| let target = WI.assumingMainTarget(); |
| target.ApplicationCacheAgent.getApplicationCacheForFrame(frame.id, callbackWrapper); |
| } |
| |
| // ApplicationCacheObserver |
| |
| networkStateUpdated(isNowOnline) |
| { |
| console.assert(this._enabled); |
| |
| this._online = isNowOnline; |
| |
| this.dispatchEventToListeners(WI.ApplicationCacheManager.Event.NetworkStateUpdated, {online: this._online}); |
| } |
| |
| applicationCacheStatusUpdated(frameId, manifestURL, status) |
| { |
| console.assert(this._enabled); |
| |
| let frame = WI.networkManager.frameForIdentifier(frameId); |
| if (!frame) |
| return; |
| |
| this._frameManifestUpdated(frame, manifestURL, status); |
| } |
| |
| // Private |
| |
| _reset() |
| { |
| this._online = true; |
| this._applicationCacheObjects = {}; |
| |
| this.dispatchEventToListeners(WI.ApplicationCacheManager.Event.Cleared); |
| } |
| |
| _mainResourceDidChange(event) |
| { |
| console.assert(event.target instanceof WI.Frame); |
| |
| if (event.target.isMainFrame()) { |
| this._reset(); |
| return; |
| } |
| |
| let target = WI.assumingMainTarget(); |
| if (target.hasDomain("ApplicationCache")) |
| target.ApplicationCacheAgent.getManifestForFrame(event.target.id, this._manifestForFrameLoaded.bind(this, event.target.id)); |
| } |
| |
| _childFrameWasRemoved(event) |
| { |
| this._frameManifestRemoved(event.data.childFrame); |
| } |
| |
| _manifestForFrameLoaded(frameId, error, manifestURL) |
| { |
| if (!this._enabled) |
| return; |
| |
| var frame = WI.networkManager.frameForIdentifier(frameId); |
| if (!frame) |
| return; |
| |
| // A frame can go away between `ApplicationCache.getManifestForFrame` being called and the |
| // response being received. |
| if (error) { |
| WI.reportInternalError(error); |
| return; |
| } |
| |
| if (!manifestURL) |
| this._frameManifestRemoved(frame); |
| } |
| |
| _framesWithManifestsLoaded(error, framesWithManifests) |
| { |
| if (error) { |
| WI.reportInternalError(error); |
| return; |
| } |
| |
| if (!this._enabled) |
| return; |
| |
| for (var i = 0; i < framesWithManifests.length; ++i) { |
| var frame = WI.networkManager.frameForIdentifier(framesWithManifests[i].frameId); |
| if (!frame) |
| continue; |
| |
| this._frameManifestUpdated(frame, framesWithManifests[i].manifestURL, framesWithManifests[i].status); |
| } |
| } |
| |
| _frameManifestUpdated(frame, manifestURL, status) |
| { |
| if (status === WI.ApplicationCacheManager.Status.Uncached) { |
| this._frameManifestRemoved(frame); |
| return; |
| } |
| |
| if (!manifestURL) |
| return; |
| |
| var manifestFrame = this._applicationCacheObjects[frame.id]; |
| if (manifestFrame && manifestURL !== manifestFrame.manifest.manifestURL) |
| this._frameManifestRemoved(frame); |
| |
| var oldStatus = manifestFrame ? manifestFrame.status : -1; |
| var statusChanged = manifestFrame && status !== oldStatus; |
| if (manifestFrame) |
| manifestFrame.status = status; |
| |
| if (!this._applicationCacheObjects[frame.id]) { |
| var cacheManifest = new WI.ApplicationCacheManifest(manifestURL); |
| this._applicationCacheObjects[frame.id] = new WI.ApplicationCacheFrame(frame, cacheManifest, status); |
| |
| this.dispatchEventToListeners(WI.ApplicationCacheManager.Event.FrameManifestAdded, {frameManifest: this._applicationCacheObjects[frame.id]}); |
| } |
| |
| if (statusChanged) |
| this.dispatchEventToListeners(WI.ApplicationCacheManager.Event.FrameManifestStatusChanged, {frameManifest: this._applicationCacheObjects[frame.id]}); |
| } |
| |
| _frameManifestRemoved(frame) |
| { |
| if (!this._applicationCacheObjects[frame.id]) |
| return; |
| |
| delete this._applicationCacheObjects[frame.id]; |
| |
| this.dispatchEventToListeners(WI.ApplicationCacheManager.Event.FrameManifestRemoved, {frame}); |
| } |
| }; |
| |
| WI.ApplicationCacheManager.Event = { |
| Cleared: "application-cache-manager-cleared", |
| FrameManifestAdded: "application-cache-manager-frame-manifest-added", |
| FrameManifestRemoved: "application-cache-manager-frame-manifest-removed", |
| FrameManifestStatusChanged: "application-cache-manager-frame-manifest-status-changed", |
| NetworkStateUpdated: "application-cache-manager-network-state-updated" |
| }; |
| |
| WI.ApplicationCacheManager.Status = { |
| Uncached: 0, |
| Idle: 1, |
| Checking: 2, |
| Downloading: 3, |
| UpdateReady: 4, |
| Obsolete: 5 |
| }; |