diff options
Diffstat (limited to 'Source/WebInspectorUI/UserInterface/ApplicationCacheManager.js')
| -rw-r--r-- | Source/WebInspectorUI/UserInterface/ApplicationCacheManager.js | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/Source/WebInspectorUI/UserInterface/ApplicationCacheManager.js b/Source/WebInspectorUI/UserInterface/ApplicationCacheManager.js new file mode 100644 index 000000000..854100606 --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/ApplicationCacheManager.js @@ -0,0 +1,196 @@ +/* + * 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. + */ + +WebInspector.ApplicationCacheManager = function() +{ + WebInspector.Object.call(this); + + ApplicationCacheAgent.enable(); + + WebInspector.Frame.addEventListener(WebInspector.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this); + WebInspector.Frame.addEventListener(WebInspector.Frame.Event.ChildFrameWasRemoved, this._childFrameWasRemoved, this); + + this._online = true; + + this.initialize(); +}; + +WebInspector.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" +}; + +WebInspector.ApplicationCacheManager.Status = { + Uncached: 0, + Idle: 1, + Checking: 2, + Downloading: 3, + UpdateReady: 4, + Obsolete: 5 +}; + +WebInspector.ApplicationCacheManager.prototype = { + constructor: WebInspector.ApplicationCacheManager, + + // Public + + initialize: function() + { + this._applicationCacheObjects = []; + + ApplicationCacheAgent.getFramesWithManifests(this._framesWithManifestsLoaded.bind(this)); + }, + + networkStateUpdated: function(isNowOnline) + { + this._online = isNowOnline; + + this.dispatchEventToListeners(WebInspector.ApplicationCacheManager.Event.NetworkStateUpdated, {online: this._online}); + }, + + get online() + { + return this._online; + }, + + applicationCacheStatusUpdated: function(frameId, manifestURL, status) + { + var frame = WebInspector.frameResourceManager.frameForIdentifier(frameId); + if (!frame) + return; + + this._frameManifestUpdated(frame, manifestURL, status); + }, + + requestApplicationCache: function(frame, callback) + { + function callbackWrapper(error, applicationCache) + { + if (error) { + callback(null); + return; + } + + callback(applicationCache); + } + + ApplicationCacheAgent.getApplicationCacheForFrame(frame.id, callbackWrapper); + }, + + // Private + + _mainResourceDidChange: function(event) + { + console.assert(event.target instanceof WebInspector.Frame); + + if (event.target.isMainFrame()) { + // If we are dealing with the main frame, we want to clear our list of objects, because we are navigating to a new page. + this.initialize(); + + this.dispatchEventToListeners(WebInspector.ApplicationCacheManager.Event.Cleared); + + return; + } + + ApplicationCacheAgent.getManifestForFrame(event.target.id, this._manifestForFrameLoaded.bind(this, event.target.id)); + }, + + _childFrameWasRemoved: function(event) + { + this._frameManifestRemoved(event.data.childFrame); + }, + + _manifestForFrameLoaded: function(frameId, error, manifestURL) + { + if (error) + return; + + var frame = WebInspector.frameResourceManager.frameForIdentifier(frameId); + if (!frame) + return; + + if (!manifestURL) + this._frameManifestRemoved(frame); + }, + + _framesWithManifestsLoaded: function(error, framesWithManifests) + { + if (error) + return; + + for (var i = 0; i < framesWithManifests.length; ++i) { + var frame = WebInspector.frameResourceManager.frameForIdentifier(framesWithManifests[i].frameId); + if (!frame) + continue; + + this._frameManifestUpdated(frame, framesWithManifests[i].manifestURL, framesWithManifests[i].status); + } + }, + + _frameManifestUpdated: function(frame, manifestURL, status) + { + if (status === WebInspector.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 WebInspector.ApplicationCacheManifest(manifestURL); + this._applicationCacheObjects[frame.id] = new WebInspector.ApplicationCacheFrame(frame, cacheManifest, status); + + this.dispatchEventToListeners(WebInspector.ApplicationCacheManager.Event.FrameManifestAdded, {frameManifest: this._applicationCacheObjects[frame.id]}); + } + + if (statusChanged) + this.dispatchEventToListeners(WebInspector.ApplicationCacheManager.Event.FrameManifestStatusChanged, {frameManifest: this._applicationCacheObjects[frame.id]}); + }, + + _frameManifestRemoved: function(frame) + { + if (!this._applicationCacheObjects[frame.id]) + return; + + delete this._applicationCacheObjects[frame.id]; + + this.dispatchEventToListeners(WebInspector.ApplicationCacheManager.Event.FrameManifestRemoved, {frame: frame}); + } +}; + +WebInspector.ApplicationCacheManager.prototype.__proto__ = WebInspector.Object.prototype; |