src/third_party/WebKit/Source/web/WebDevToolsFrontendImpl.cpp

   1 /*
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   3  *
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   6  * met:
   7  *
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   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,
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  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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  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 #include "config.h"
  32 #include "web/WebDevToolsFrontendImpl.h"
  33
  34 #include "bindings/core/v8/ScriptController.h"
  35 #include "bindings/core/v8/V8InspectorFrontendHost.h"
  36 #include "core/frame/LocalFrame.h"
  37 #include "core/inspector/InspectorController.h"
  38 #include "core/inspector/InspectorFrontendHost.h"
  39 #include "core/page/Page.h"
  40 #include "public/platform/WebString.h"
  41 #include "public/web/WebDevToolsFrontendClient.h"
  42 #include "web/WebViewImpl.h"
  43
  44 namespace blink {
  45
  46 WebDevToolsFrontend* WebDevToolsFrontend::create(
  47     WebView* view,
  48     WebDevToolsFrontendClient* client,
  49     const WebString& applicationLocale)
  50 {
  51     return new WebDevToolsFrontendImpl(toWebViewImpl(view), client);
  52 }
  53
  54 WebDevToolsFrontendImpl::WebDevToolsFrontendImpl(
  55     WebViewImpl* webViewImpl,
  56     WebDevToolsFrontendClient* client)
  57     : m_webViewImpl(webViewImpl)
  58     , m_client(client)
  59 {
  60     m_webViewImpl->page()->inspectorController().setInspectorFrontendClient(this);
  61 }
  62
  63 WebDevToolsFrontendImpl::~WebDevToolsFrontendImpl()
  64 {
  65     ASSERT(!m_frontendHost);
  66 }
  67
  68 void WebDevToolsFrontendImpl::dispose()
  69 {
  70     if (m_frontendHost) {
  71         m_frontendHost->disconnectClient();
  72         m_frontendHost = nullptr;
  73     }
  74     m_client = 0;
  75 }
  76
  77 void WebDevToolsFrontendImpl::windowObjectCleared()
  78 {
  79     v8::Isolate* isolate = v8::Isolate::GetCurrent();
  80     Page* page = m_webViewImpl->page();
  81     ASSERT(page->mainFrame());
  82     ScriptState* scriptState = ScriptState::forMainWorld(page->deprecatedLocalMainFrame());
  83     ScriptState::Scope scope(scriptState);
  84
  85     if (m_frontendHost)
  86         m_frontendHost->disconnectClient();
  87     m_frontendHost = InspectorFrontendHost::create(this, page);
  88     v8::Handle<v8::Object> global = scriptState->context()->Global();
  89     v8::Handle<v8::Value> frontendHostObj = toV8(m_frontendHost.get(), global, scriptState->isolate());
  90
  91     global->Set(v8::String::NewFromUtf8(isolate, "InspectorFrontendHost"), frontendHostObj);
  92     ScriptController* scriptController = page->mainFrame() ? &page->deprecatedLocalMainFrame()->script() : 0;
  93     if (scriptController) {
  94         String installAdditionalAPI =
  95             "" // Wrap messages that go to embedder.
  96             "(function(host, methodEntries) {"
  97             "    host._lastCallId = 0;"
  98             "    host._callbacks = [];"
  99             "    host.embedderMessageAck = function(id, error)"
 100             "    {"
 101             "        var callback = host._callbacks[id];"
 102             "        delete host._callbacks[id];"
 103             "        if (callback)"
 104             "            callback(error);"
 105             "    };"
 106             "    function dispatch(methodName, argumentCount)"
 107             "    {"
 108             "        var callId = ++host._lastCallId;"
 109             "        var argsArray = Array.prototype.slice.call(arguments, 2);"
 110             "        var callback = argsArray[argsArray.length - 1];"
 111             "        if (typeof callback === \"function\") {"
 112             "            argsArray.pop();"
 113             "            host._callbacks[callId] = callback;"
 114             "        }"
 115             "        var message = { \"id\": callId, \"method\": methodName };"
 116             "        argsArray = argsArray.slice(0, argumentCount);"
 117             "        if (argsArray.length)"
 118             "            message.params = argsArray;"
 119             "        host.sendMessageToEmbedder(JSON.stringify(message));"
 120             "    };"
 121             "    methodEntries.forEach(function(methodEntry) { host[methodEntry[0]] = dispatch.bind(null, methodEntry[0], methodEntry[1]); });"
 122             "})(InspectorFrontendHost,"
 123             "    [['addFileSystem', 0],"
 124             "     ['append', 2],"
 125             "     ['bringToFront', 0],"
 126             "     ['closeWindow', 0],"
 127             "     ['indexPath', 2],"
 128             "     ['inspectElementCompleted', 0],"
 129             "     ['inspectedURLChanged', 1],"
 130             "     ['moveWindowBy', 2],"
 131             "     ['openInNewTab', 1],"
 132             "     ['openUrlOnRemoteDeviceAndInspect', 2],"
 133             "     ['removeFileSystem', 1],"
 134             "     ['requestFileSystems', 0],"
 135             "     ['resetZoom', 0],"
 136             "     ['save', 3],"
 137             "     ['searchInPath', 3],"
 138             "     ['setDeviceCountUpdatesEnabled', 1],"
 139             "     ['setDevicesUpdatesEnabled', 1],"
 140             "     ['setWhitelistedShortcuts', 1],"
 141             "     ['setContentsResizingStrategy', 2],"
 142             "     ['setInspectedPageBounds', 1],"
 143             "     ['setIsDocked', 1],"
 144             "     ['stopIndexing', 1],"
 145             "     ['zoomIn', 0],"
 146             "     ['zoomOut', 0]]);"
 147             ""
 148             "" // Support for legacy front-ends (<M34). Do not add items here.
 149             "InspectorFrontendHost.requestSetDockSide = function(dockSide)"
 150             "{"
 151             "    InspectorFrontendHost.setIsDocked(dockSide !== \"undocked\");"
 152             "};"
 153             "InspectorFrontendHost.supportsFileSystems = function() { return true; };"
 154             ""
 155             "" // Support for legacy front-ends (<M28). Do not add items here.
 156             "InspectorFrontendHost.canInspectWorkers = function() { return true; };"
 157             "InspectorFrontendHost.canSaveAs = function() { return true; };"
 158             "InspectorFrontendHost.canSave = function() { return true; };"
 159             "InspectorFrontendHost.loaded = function() {};"
 160             "InspectorFrontendHost.hiddenPanels = function() { return ""; };"
 161             "InspectorFrontendHost.localizedStringsURL = function() { return ""; };"
 162             "InspectorFrontendHost.close = function(url) { };";
 163         scriptController->executeScriptInMainWorld(installAdditionalAPI, ScriptController::ExecuteScriptWhenScriptsDisabled);
 164     }
 165 }
 166
 167 void WebDevToolsFrontendImpl::sendMessageToBackend(const String& message)
 168 {
 169     if (m_client)
 170         m_client->sendMessageToBackend(message);
 171 }
 172
 173 void WebDevToolsFrontendImpl::sendMessageToEmbedder(const String& message)
 174 {
 175     if (m_client)
 176         m_client->sendMessageToEmbedder(message);
 177 }
 178
 179 bool WebDevToolsFrontendImpl::isUnderTest()
 180 {
 181     return m_client ? m_client->isUnderTest() : false;
 182 }
 183
 184 } // namespace blink