blob: 7c26b73097c8570447f699502e8313cfe732089e [file] [log] [blame]
// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/renderer/render_view.h"
#include <algorithm>
#include <string>
#include <vector>
#include "app/gfx/color_utils.h"
#include "app/gfx/favicon_size.h"
#include "app/l10n_util.h"
#include "app/message_box_flags.h"
#include "app/resource_bundle.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/field_trial.h"
#include "base/gfx/png_encoder.h"
#include "base/gfx/native_widget_types.h"
#include "base/string_piece.h"
#include "base/string_util.h"
#include "build/build_config.h"
#include "chrome/common/bindings_policy.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/page_zoom.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/renderer_preferences.h"
#include "chrome/common/thumbnail_score.h"
#include "chrome/common/url_constants.h"
#include "chrome/renderer/about_handler.h"
#include "chrome/renderer/audio_message_filter.h"
#include "chrome/renderer/debug_message_handler.h"
#include "chrome/renderer/devtools_agent.h"
#include "chrome/renderer/devtools_client.h"
#include "chrome/renderer/extensions/extension_process_bindings.h"
#include "chrome/renderer/localized_error.h"
#include "chrome/renderer/media/audio_renderer_impl.h"
#include "chrome/renderer/media/buffered_data_source.h"
#include "chrome/renderer/print_web_view_helper.h"
#include "chrome/renderer/render_process.h"
#include "chrome/renderer/renderer_logging.h"
#include "chrome/renderer/user_script_slave.h"
#include "chrome/renderer/visitedlink_slave.h"
#include "chrome/renderer/webplugin_delegate_proxy.h"
#include "chrome/renderer/webworker_proxy.h"
#include "grit/generated_resources.h"
#include "grit/renderer_resources.h"
#include "net/base/data_url.h"
#include "net/base/escape.h"
#include "net/base/net_errors.h"
#include "skia/ext/bitmap_platform_device.h"
#include "skia/ext/image_operations.h"
#include "webkit/api/public/WebDragData.h"
#include "webkit/api/public/WebPoint.h"
#include "webkit/api/public/WebRect.h"
#include "webkit/api/public/WebScriptSource.h"
#include "webkit/api/public/WebSize.h"
#include "webkit/default_plugin/default_plugin_shared.h"
#include "webkit/glue/dom_operations.h"
#include "webkit/glue/dom_serializer.h"
#include "webkit/glue/image_decoder.h"
#include "webkit/glue/password_form.h"
#include "webkit/glue/plugins/plugin_list.h"
#include "webkit/glue/searchable_form_data.h"
#include "webkit/glue/webaccessibilitymanager_impl.h"
#include "webkit/glue/webdatasource.h"
#include "webkit/glue/webdevtoolsagent_delegate.h"
#include "webkit/glue/webdropdata.h"
#include "webkit/glue/weberror.h"
#include "webkit/glue/webframe.h"
#include "webkit/glue/webkit_glue.h"
#include "webkit/glue/webmediaplayer_impl.h"
#include "webkit/glue/webpreferences.h"
#include "webkit/glue/webplugin_delegate.h"
#include "webkit/glue/webresponse.h"
#include "webkit/glue/webtextinput.h"
#include "webkit/glue/weburlrequest.h"
#include "webkit/glue/webview.h"
#if defined(OS_WIN)
// TODO(port): these files are currently Windows only because they concern:
// * theming
#include "base/gfx/native_theme.h"
#endif
using base::Time;
using base::TimeDelta;
using WebKit::WebConsoleMessage;
using WebKit::WebDragData;
using WebKit::WebRect;
using WebKit::WebScriptSource;
using WebKit::WebWorker;
using WebKit::WebWorkerClient;
//-----------------------------------------------------------------------------
// define to write the time necessary for thumbnail/DOM text retrieval,
// respectively, into the system debug log
// #define TIME_BITMAP_RETRIEVAL
// #define TIME_TEXT_RETRIEVAL
// maximum number of characters in the document to index, any text beyond this
// point will be clipped
static const size_t kMaxIndexChars = 65535;
// Size of the thumbnails that we'll generate
static const int kThumbnailWidth = 196;
static const int kThumbnailHeight = 136;
// Delay in milliseconds that we'll wait before capturing the page contents
// and thumbnail.
static const int kDelayForCaptureMs = 500;
// Typically, we capture the page data once the page is loaded.
// Sometimes, the page never finishes to load, preventing the page capture
// To workaround this problem, we always perform a capture after the following
// delay.
static const int kDelayForForcedCaptureMs = 6000;
// The default value for RenderView.delay_seconds_for_form_state_sync_, see
// that variable for more.
const int kDefaultDelaySecondsForFormStateSync = 5;
// The next available page ID to use. This ensures that the page IDs are
// globally unique in the renderer.
static int32 next_page_id_ = 1;
// The maximum number of popups that can be spawned from one page.
static const int kMaximumNumberOfUnacknowledgedPopups = 25;
static const char* const kUnreachableWebDataURL =
"chrome://chromewebdata/";
static const char* const kBackForwardNavigationScheme = "history";
// Associated with browser-initiated navigations to hold tracking data.
class RenderView::NavigationState : public WebDataSource::ExtraData {
public:
NavigationState(int32 pending_page_id,
PageTransition::Type transition,
Time request_time)
: transition_type(transition),
request_time(request_time),
request_committed(false),
pending_page_id_(pending_page_id) {
}
// Contains the page_id for this navigation or -1 if there is none yet.
int32 pending_page_id() const { return pending_page_id_; }
// Is this a new navigation?
bool is_new_navigation() const { return pending_page_id_ == -1; }
// Contains the transition type that the browser specified when it
// initiated the load.
PageTransition::Type transition_type;
// The time that this navigation was requested.
Time request_time;
// True if we have already processed the "DidCommitLoad" event for this
// request. Used by session history.
bool request_committed;
private:
int32 pending_page_id_;
DISALLOW_COPY_AND_ASSIGN(NavigationState);
};
///////////////////////////////////////////////////////////////////////////////
RenderView::RenderView(RenderThreadBase* render_thread)
: RenderWidget(render_thread, true),
enabled_bindings_(0),
target_url_status_(TARGET_NONE),
is_loading_(false),
navigation_gesture_(NavigationGestureUnknown),
page_id_(-1),
last_page_id_sent_to_browser_(-1),
last_indexed_page_id_(-1),
opened_by_user_gesture_(true),
ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)),
first_default_plugin_(NULL),
devtools_agent_(NULL),
devtools_client_(NULL),
history_back_list_count_(0),
history_forward_list_count_(0),
has_unload_listener_(false),
decrement_shared_popup_at_destruction_(false),
form_field_autofill_request_id_(0),
popup_notification_visible_(false),
delay_seconds_for_form_state_sync_(kDefaultDelaySecondsForFormStateSync),
preferred_width_(0),
send_preferred_width_changes_(false) {
}
RenderView::~RenderView() {
if (decrement_shared_popup_at_destruction_)
shared_popup_counter_->data--;
// Clear any back-pointers that might still be held by plugins.
PluginDelegateList::iterator it = plugin_delegates_.begin();
while (it != plugin_delegates_.end()) {
(*it)->DropRenderView();
it = plugin_delegates_.erase(it);
}
render_thread_->RemoveFilter(debug_message_handler_);
render_thread_->RemoveFilter(audio_message_filter_);
}
/*static*/
RenderView* RenderView::Create(
RenderThreadBase* render_thread,
gfx::NativeViewId parent_hwnd,
base::WaitableEvent* modal_dialog_event,
int32 opener_id,
const RendererPreferences& renderer_prefs,
const WebPreferences& webkit_prefs,
SharedRenderViewCounter* counter,
int32 routing_id) {
DCHECK(routing_id != MSG_ROUTING_NONE);
scoped_refptr<RenderView> view = new RenderView(render_thread);
view->Init(parent_hwnd,
modal_dialog_event,
opener_id,
renderer_prefs,
webkit_prefs,
counter,
routing_id); // adds reference
return view;
}
/*static*/
void RenderView::SetNextPageID(int32 next_page_id) {
// This method should only be called during process startup, and the given
// page id had better not exceed our current next page id!
DCHECK_EQ(next_page_id_, 1);
DCHECK(next_page_id >= next_page_id_);
next_page_id_ = next_page_id;
}
void RenderView::PluginDestroyed(WebPluginDelegateProxy* proxy) {
PluginDelegateList::iterator it =
std::find(plugin_delegates_.begin(), plugin_delegates_.end(), proxy);
DCHECK(it != plugin_delegates_.end());
plugin_delegates_.erase(it);
// If the plugin is deleted, we need to clear our reference in case user
// clicks the info bar to install. Unfortunately we are getting
// PluginDestroyed in single process mode. However, that is not a huge
// concern.
if (proxy == first_default_plugin_)
first_default_plugin_ = NULL;
}
void RenderView::PluginCrashed(const FilePath& plugin_path) {
Send(new ViewHostMsg_CrashedPlugin(routing_id_, plugin_path));
}
void RenderView::JSOutOfMemory() {
Send(new ViewHostMsg_JSOutOfMemory(routing_id_));
}
void RenderView::Init(gfx::NativeViewId parent_hwnd,
base::WaitableEvent* modal_dialog_event,
int32 opener_id,
const RendererPreferences& renderer_prefs,
const WebPreferences& webkit_prefs,
SharedRenderViewCounter* counter,
int32 routing_id) {
DCHECK(!webview());
if (opener_id != MSG_ROUTING_NONE)
opener_id_ = opener_id;
if (counter) {
shared_popup_counter_ = counter;
shared_popup_counter_->data++;
decrement_shared_popup_at_destruction_ = true;
} else {
shared_popup_counter_ = new SharedRenderViewCounter(0);
decrement_shared_popup_at_destruction_ = false;
}
OnSetRendererPrefs(renderer_prefs);
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
bool dev_tools_enabled = !command_line.HasSwitch(
switches::kDisableOutOfProcessDevTools);
if (dev_tools_enabled)
devtools_agent_.reset(new DevToolsAgent(routing_id, this));
webwidget_ = WebView::Create(this, webkit_prefs);
#if defined(OS_LINUX)
// We have to enable ourselves as the editor delegate on linux so we can copy
// text selections to the X clipboard.
webview()->SetUseEditorDelegate(true);
#endif
// Don't let WebCore keep a B/F list - we have our own.
// We let it keep 1 entry because FrameLoader::goToItem expects an item in the
// backForwardList, which is used only in ASSERTs.
webview()->SetBackForwardListSize(1);
routing_id_ = routing_id;
render_thread_->AddRoute(routing_id_, this);
// Take a reference on behalf of the RenderThread. This will be balanced
// when we receive ViewMsg_Close.
AddRef();
// If this is a popup, we must wait for the CreatingNew_ACK message before
// completing initialization. Otherwise, we can finish it now.
if (opener_id == MSG_ROUTING_NONE) {
did_show_ = true;
CompleteInit(parent_hwnd);
}
host_window_ = parent_hwnd;
modal_dialog_event_.reset(modal_dialog_event);
if (command_line.HasSwitch(switches::kDomAutomationController))
enabled_bindings_ |= BindingsPolicy::DOM_AUTOMATION;
debug_message_handler_ = new DebugMessageHandler(this);
render_thread_->AddFilter(debug_message_handler_);
audio_message_filter_ = new AudioMessageFilter(routing_id_);
render_thread_->AddFilter(audio_message_filter_);
}
void RenderView::OnMessageReceived(const IPC::Message& message) {
WebFrame* main_frame = webview() ? webview()->GetMainFrame() : NULL;
renderer_logging::ScopedActiveRenderingURLSetter url_setter(
main_frame ? main_frame->GetURL() : GURL());
// If this is developer tools renderer intercept tools messages first.
if (devtools_client_.get() && devtools_client_->OnMessageReceived(message))
return;
if (devtools_agent_.get() && devtools_agent_->OnMessageReceived(message))
return;
IPC_BEGIN_MESSAGE_MAP(RenderView, message)
IPC_MESSAGE_HANDLER(ViewMsg_CaptureThumbnail, SendThumbnail)
IPC_MESSAGE_HANDLER(ViewMsg_PrintPages, OnPrintPages)
IPC_MESSAGE_HANDLER(ViewMsg_Navigate, OnNavigate)
IPC_MESSAGE_HANDLER(ViewMsg_Stop, OnStop)
IPC_MESSAGE_HANDLER(ViewMsg_LoadAlternateHTMLText, OnLoadAlternateHTMLText)
IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
IPC_MESSAGE_HANDLER(ViewMsg_Undo, OnUndo)
IPC_MESSAGE_HANDLER(ViewMsg_Redo, OnRedo)
IPC_MESSAGE_HANDLER(ViewMsg_Cut, OnCut)
IPC_MESSAGE_HANDLER(ViewMsg_Copy, OnCopy)
IPC_MESSAGE_HANDLER(ViewMsg_Paste, OnPaste)
IPC_MESSAGE_HANDLER(ViewMsg_Replace, OnReplace)
IPC_MESSAGE_HANDLER(ViewMsg_ToggleSpellCheck, OnToggleSpellCheck)
IPC_MESSAGE_HANDLER(ViewMsg_Delete, OnDelete)
IPC_MESSAGE_HANDLER(ViewMsg_SelectAll, OnSelectAll)
IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
IPC_MESSAGE_HANDLER(ViewMsg_InsertText, OnInsertText)
IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
IPC_MESSAGE_HANDLER(ViewMsg_InspectElement, OnInspectElement)
IPC_MESSAGE_HANDLER(ViewMsg_ShowJavaScriptConsole, OnShowJavaScriptConsole)
IPC_MESSAGE_HANDLER(ViewMsg_SetupDevToolsClient, OnSetupDevToolsClient)
IPC_MESSAGE_HANDLER(ViewMsg_DownloadImage, OnDownloadImage)
IPC_MESSAGE_HANDLER(ViewMsg_ScriptEvalRequest, OnScriptEvalRequest)
IPC_MESSAGE_HANDLER(ViewMsg_CSSInsertRequest, OnCSSInsertRequest)
IPC_MESSAGE_HANDLER(ViewMsg_AddMessageToConsole, OnAddMessageToConsole)
IPC_MESSAGE_HANDLER(ViewMsg_DebugAttach, OnDebugAttach)
IPC_MESSAGE_HANDLER(ViewMsg_DebugDetach, OnDebugDetach)
IPC_MESSAGE_HANDLER(ViewMsg_ReservePageIDRange, OnReservePageIDRange)
IPC_MESSAGE_HANDLER(ViewMsg_UploadFile, OnUploadFileRequest)
IPC_MESSAGE_HANDLER(ViewMsg_FormFill, OnFormFill)
IPC_MESSAGE_HANDLER(ViewMsg_FillPasswordForm, OnFillPasswordForm)
IPC_MESSAGE_HANDLER(ViewMsg_DragTargetDragEnter, OnDragTargetDragEnter)
IPC_MESSAGE_HANDLER(ViewMsg_DragTargetDragOver, OnDragTargetDragOver)
IPC_MESSAGE_HANDLER(ViewMsg_DragTargetDragLeave, OnDragTargetDragLeave)
IPC_MESSAGE_HANDLER(ViewMsg_DragTargetDrop, OnDragTargetDrop)
IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
IPC_MESSAGE_HANDLER(ViewMsg_SetDOMUIProperty, OnSetDOMUIProperty)
IPC_MESSAGE_HANDLER(ViewMsg_DragSourceEndedOrMoved,
OnDragSourceEndedOrMoved)
IPC_MESSAGE_HANDLER(ViewMsg_DragSourceSystemDragEnded,
OnDragSourceSystemDragEnded)
IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
IPC_MESSAGE_HANDLER(ViewMsg_FindReplyACK, OnFindReplyAck)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
IPC_MESSAGE_HANDLER(ViewMsg_SetAltErrorPageURL, OnSetAltErrorPageURL)
IPC_MESSAGE_HANDLER(ViewMsg_InstallMissingPlugin, OnInstallMissingPlugin)
IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateBackForwardListCount,
OnUpdateBackForwardListCount)
IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
OnGetAllSavableResourceLinksForCurrentPage)
IPC_MESSAGE_HANDLER(
ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
IPC_MESSAGE_HANDLER(ViewMsg_GetApplicationInfo, OnGetApplicationInfo)
IPC_MESSAGE_HANDLER(ViewMsg_GetAccessibilityInfo, OnGetAccessibilityInfo)
IPC_MESSAGE_HANDLER(ViewMsg_ClearAccessibilityInfo,
OnClearAccessibilityInfo)
IPC_MESSAGE_HANDLER(ViewMsg_ShouldClose, OnMsgShouldClose)
IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
IPC_MESSAGE_HANDLER(ViewMsg_HandleMessageFromExternalHost,
OnMessageFromExternalHost)
IPC_MESSAGE_HANDLER(ViewMsg_DisassociateFromPopupCount,
OnDisassociateFromPopupCount)
IPC_MESSAGE_HANDLER(ViewMsg_AutofillSuggestions,
OnReceivedAutofillSuggestions)
IPC_MESSAGE_HANDLER(ViewMsg_PopupNotificationVisibilityChanged,
OnPopupNotificationVisibilityChanged)
IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
IPC_MESSAGE_HANDLER(ViewMsg_ExtensionResponse, OnExtensionResponse)
IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedNode, OnClearFocusedNode)
IPC_MESSAGE_HANDLER(ViewMsg_SetBackground, OnSetBackground)
IPC_MESSAGE_HANDLER(ViewMsg_EnableIntrinsicWidthChangedMode,
OnEnableIntrinsicWidthChangedMode)
IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
// Have the super handle all other messages.
IPC_MESSAGE_UNHANDLED(RenderWidget::OnMessageReceived(message))
IPC_END_MESSAGE_MAP()
}
void RenderView::SendThumbnail() {
WebFrame* main_frame = webview()->GetMainFrame();
if (!main_frame)
return;
// get the URL for this page
GURL url(main_frame->GetURL());
if (url.is_empty())
return;
if (size_.IsEmpty())
return; // Don't create an empty thumbnail!
ThumbnailScore score;
SkBitmap thumbnail;
if (!CaptureThumbnail(main_frame, kThumbnailWidth, kThumbnailHeight,
&thumbnail, &score))
return;
// send the thumbnail message to the browser process
Send(new ViewHostMsg_Thumbnail(routing_id_, url, score, thumbnail));
}
void RenderView::OnPrintPages() {
DCHECK(webview());
if (webview()) {
// The renderer own the control flow as if it was a window.print() call.
ScriptedPrint(webview()->GetMainFrame());
}
}
void RenderView::CapturePageInfo(int load_id, bool preliminary_capture) {
if (load_id != page_id_)
return; // this capture call is no longer relevant due to navigation
if (load_id == last_indexed_page_id_)
return; // we already indexed this page
if (!webview())
return;
WebFrame* main_frame = webview()->GetMainFrame();
if (!main_frame)
return;
// Don't index/capture pages that are in view source mode.
if (main_frame->GetInViewSourceMode())
return;
// Don't index/capture pages that failed to load. This only checks the top
// level frame so the thumbnail may contain a frame that failed to load.
WebDataSource* ds = main_frame->GetDataSource();
if (ds && ds->HasUnreachableURL())
return;
if (!preliminary_capture)
last_indexed_page_id_ = load_id;
// get the URL for this page
GURL url(main_frame->GetURL());
if (url.is_empty())
return;
// full text
std::wstring contents;
CaptureText(main_frame, &contents);
if (contents.size()) {
// Send the text to the browser for indexing.
Send(new ViewHostMsg_PageContents(url, load_id, contents));
}
// thumbnail
SendThumbnail();
}
void RenderView::CaptureText(WebFrame* frame, std::wstring* contents) {
contents->clear();
if (!frame)
return;
// Don't index any https pages. People generally don't want their bank
// accounts, etc. indexed on their computer, especially since some of these
// things are not marked cachable.
// TODO(brettw) we may want to consider more elaborate heuristics such as
// the cachability of the page. We may also want to consider subframes (this
// test will still index subframes if the subframe is SSL).
if (frame->GetURL().SchemeIsSecure())
return;
#ifdef TIME_TEXT_RETRIEVAL
double begin = time_util::GetHighResolutionTimeNow();
#endif
// get the contents of the frame
frame->GetContentAsPlainText(kMaxIndexChars, contents);
#ifdef TIME_TEXT_RETRIEVAL
double end = time_util::GetHighResolutionTimeNow();
char buf[128];
sprintf_s(buf, "%d chars retrieved for indexing in %gms\n",
contents.size(), (end - begin)*1000);
OutputDebugStringA(buf);
#endif
// When the contents are clipped to the maximum, we don't want to have a
// partial word indexed at the end that might have been clipped. Therefore,
// terminate the string at the last space to ensure no words are clipped.
if (contents->size() == kMaxIndexChars) {
size_t last_space_index = contents->find_last_of(kWhitespaceWide);
if (last_space_index == std::wstring::npos)
return; // don't index if we got a huge block of text with no spaces
contents->resize(last_space_index);
}
}
bool RenderView::CaptureThumbnail(WebFrame* frame,
int w,
int h,
SkBitmap* thumbnail,
ThumbnailScore* score) {
#ifdef TIME_BITMAP_RETRIEVAL
double begin = time_util::GetHighResolutionTimeNow();
#endif
scoped_ptr<skia::BitmapPlatformDevice> device;
if (!frame->CaptureImage(&device, true))
return false;
const SkBitmap& src_bmp = device->accessBitmap(false);
SkRect dest_rect;
dest_rect.set(0, 0, SkIntToScalar(w), SkIntToScalar(h));
float dest_aspect = dest_rect.width() / dest_rect.height();
// Get the src rect so that we can preserve the aspect ratio while filling
// the destination.
SkIRect src_rect;
if (src_bmp.width() < dest_rect.width() ||
src_bmp.height() < dest_rect.height()) {
// Source image is smaller: we clip the part of source image within the
// dest rect, and then stretch it to fill the dest rect. We don't respect
// the aspect ratio in this case.
src_rect.set(0, 0, static_cast<S16CPU>(dest_rect.width()),
static_cast<S16CPU>(dest_rect.height()));
score->good_clipping = false;
} else {
float src_aspect = static_cast<float>(src_bmp.width()) / src_bmp.height();
if (src_aspect > dest_aspect) {
// Wider than tall, clip horizontally: we center the smaller thumbnail in
// the wider screen.
S16CPU new_width = static_cast<S16CPU>(src_bmp.height() * dest_aspect);
S16CPU x_offset = (src_bmp.width() - new_width) / 2;
src_rect.set(x_offset, 0, new_width + x_offset, src_bmp.height());
score->good_clipping = false;
} else {
src_rect.set(0, 0, src_bmp.width(),
static_cast<S16CPU>(src_bmp.width() / dest_aspect));
score->good_clipping = true;
}
}
score->at_top = (frame->ScrollOffset().height == 0);
SkBitmap subset;
device->accessBitmap(false).extractSubset(&subset, src_rect);
// Resample the subset that we want to get it the right size.
*thumbnail = skia::ImageOperations::Resize(
subset, skia::ImageOperations::RESIZE_LANCZOS3, w, h);
score->boring_score = CalculateBoringScore(thumbnail);
#ifdef TIME_BITMAP_RETRIEVAL
double end = time_util::GetHighResolutionTimeNow();
char buf[128];
sprintf_s(buf, "thumbnail in %gms\n", (end - begin) * 1000);
OutputDebugStringA(buf);
#endif
return true;
}
double RenderView::CalculateBoringScore(SkBitmap* bitmap) {
int histogram[256] = {0};
color_utils::BuildLumaHistogram(bitmap, histogram);
int color_count = *std::max_element(histogram, histogram + 256);
int pixel_count = bitmap->width() * bitmap->height();
return static_cast<double>(color_count) / pixel_count;
}
void RenderView::OnNavigate(const ViewMsg_Navigate_Params& params) {
if (!webview())
return;
renderer_logging::ScopedActiveRenderingURLSetter url_setter(params.url);
AboutHandler::MaybeHandle(params.url);
bool is_reload = params.reload;
WebFrame* main_frame = webview()->GetMainFrame();
if (is_reload && !main_frame->HasCurrentHistoryState()) {
// We cannot reload if we do not have any history state. This happens, for
// example, when recovering from a crash. Our workaround here is a bit of
// a hack since it means that reload after a crashed tab does not cause an
// end-to-end cache validation.
is_reload = false;
}
// A navigation resulting from loading a javascript URL should not be treated
// as a browser initiated event. Instead, we want it to look as if the page
// initiated any load resulting from JS execution.
if (!params.url.SchemeIs(chrome::kJavaScriptScheme)) {
pending_navigation_state_.reset(new NavigationState(
params.page_id, params.transition, params.request_time));
}
// If we are reloading, then WebKit will use the history state of the current
// page, so we should just ignore any given history state. Otherwise, if we
// have history state, then we need to navigate to it, which corresponds to a
// back/forward navigation event.
if (!is_reload && !params.state.empty()) {
// We must know the page ID of the page we are navigating back to.
DCHECK_NE(params.page_id, -1);
main_frame->LoadHistoryState(params.state);
} else {
// Navigate to the given URL.
scoped_ptr<WebRequest> request(WebRequest::Create(params.url));
// TODO(darin): WebFrame should just have a Reload method.
WebRequestCachePolicy cache_policy;
if (is_reload) {
cache_policy = WebRequestReloadIgnoringCacheData;
} else {
// A session history navigation should have been accompanied by state.
DCHECK_EQ(params.page_id, -1);
if (main_frame->GetInViewSourceMode()) {
cache_policy = WebRequestReturnCacheDataElseLoad;
} else {
cache_policy = WebRequestUseProtocolCachePolicy;
}
}
request->SetCachePolicy(cache_policy);
if (params.referrer.is_valid())
request->SetHttpHeaderValue("Referer", params.referrer.spec());
main_frame->LoadRequest(request.get());
}
// In case LoadRequest failed before DidCreateDataSource was called.
pending_navigation_state_.reset();
}
// Stop loading the current page
void RenderView::OnStop() {
if (webview())
webview()->StopLoading();
}
void RenderView::OnLoadAlternateHTMLText(const std::string& html_contents,
bool new_navigation,
const GURL& display_url,
const std::string& security_info) {
if (!webview())
return;
scoped_ptr<WebRequest> request(WebRequest::Create(
GURL(kUnreachableWebDataURL)));
request->SetSecurityInfo(security_info);
webview()->GetMainFrame()->LoadAlternateHTMLString(request.get(),
html_contents,
display_url,
!new_navigation);
}
void RenderView::OnCopyImageAt(int x, int y) {
webview()->CopyImageAt(x, y);
}
void RenderView::OnInspectElement(int x, int y) {
webview()->InspectElement(x, y);
}
void RenderView::OnShowJavaScriptConsole() {
webview()->ShowJavaScriptConsole();
}
void RenderView::OnSetupDevToolsClient() {
DCHECK(!devtools_client_.get());
devtools_client_.reset(new DevToolsClient(this));
}
void RenderView::OnStopFinding(bool clear_selection) {
WebView* view = webview();
if (!view)
return;
if (clear_selection)
view->GetFocusedFrame()->ClearSelection();
WebFrame* frame = view->GetMainFrame();
while (frame) {
frame->StopFinding(clear_selection);
frame = view->GetNextFrameAfter(frame, false);
}
}
void RenderView::OnFindReplyAck() {
// Check if there is any queued up request waiting to be sent.
if (queued_find_reply_message_.get()) {
// Send the search result over to the browser process.
Send(queued_find_reply_message_.get());
queued_find_reply_message_.release();
}
}
void RenderView::OnUpdateTargetURLAck() {
// Check if there is a targeturl waiting to be sent.
if (target_url_status_ == TARGET_PENDING) {
Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_,
pending_target_url_));
}
target_url_status_ = TARGET_NONE;
}
void RenderView::OnUndo() {
if (!webview())
return;
webview()->GetFocusedFrame()->Undo();
}
void RenderView::OnRedo() {
if (!webview())
return;
webview()->GetFocusedFrame()->Redo();
}
void RenderView::OnCut() {
if (!webview())
return;
webview()->GetFocusedFrame()->Cut();
}
void RenderView::OnCopy() {
if (!webview())
return;
webview()->GetFocusedFrame()->Copy();
}
void RenderView::OnPaste() {
if (!webview())
return;
webview()->GetFocusedFrame()->Paste();
}
void RenderView::OnReplace(const std::wstring& text) {
if (!webview())
return;
webview()->GetFocusedFrame()->Replace(text);
}
void RenderView::OnToggleSpellCheck() {
if (!webview())
return;
webview()->GetFocusedFrame()->ToggleSpellCheck();
}
void RenderView::OnDelete() {
if (!webview())
return;
webview()->GetFocusedFrame()->Delete();
}
void RenderView::OnSelectAll() {
if (!webview())
return;
webview()->GetFocusedFrame()->SelectAll();
}
void RenderView::OnSetInitialFocus(bool reverse) {
if (!webview())
return;
webview()->SetInitialFocus(reverse);
}
///////////////////////////////////////////////////////////////////////////////
// Tell the embedding application that the URL of the active page has changed
void RenderView::UpdateURL(WebFrame* frame) {
WebDataSource* ds = frame->GetDataSource();
DCHECK(ds);
const WebRequest& request = ds->GetRequest();
const WebRequest& initial_request = ds->GetInitialRequest();
const WebResponse& response = ds->GetResponse();
// This will be null if we did not initiate the navigation.
NavigationState* navigation_state =
static_cast<NavigationState*>(ds->GetExtraData());
ViewHostMsg_FrameNavigate_Params params;
params.http_status_code = response.GetHttpStatusCode();
params.is_post = false;
params.page_id = page_id_;
params.is_content_filtered = response.IsContentFiltered();
if (!request.GetSecurityInfo().empty()) {
// SSL state specified in the request takes precedence over the one in the
// response.
// So far this is only intended for error pages that are not expected to be
// over ssl, so we should not get any clash.
DCHECK(response.GetSecurityInfo().empty());
params.security_info = request.GetSecurityInfo();
} else {
params.security_info = response.GetSecurityInfo();
}
// Set the URL to be displayed in the browser UI to the user.
if (ds->HasUnreachableURL()) {
params.url = ds->GetUnreachableURL();
} else {
params.url = request.GetURL();
}
params.redirects = ds->GetRedirectChain();
params.should_update_history = !ds->HasUnreachableURL();
const SearchableFormData* searchable_form_data =
frame->GetDataSource()->GetSearchableFormData();
if (searchable_form_data) {
params.searchable_form_url = searchable_form_data->url();
params.searchable_form_element_name = searchable_form_data->element_name();
params.searchable_form_encoding = searchable_form_data->encoding();
}
const PasswordForm* password_form_data =
frame->GetDataSource()->GetPasswordFormData();
if (password_form_data)
params.password_form = *password_form_data;
params.gesture = navigation_gesture_;
navigation_gesture_ = NavigationGestureUnknown;
if (!frame->GetParent()) {
// Top-level navigation.
// Update contents MIME type for main frame.
params.contents_mime_type = ds->GetResponse().GetMimeType();
// We assume top level navigations initiated by the renderer are link
// clicks.
params.transition = navigation_state ?
navigation_state->transition_type : PageTransition::LINK;
if (!PageTransition::IsMainFrame(params.transition)) {
// If the main frame does a load, it should not be reported as a subframe
// navigation. This can occur in the following case:
// 1. You're on a site with frames.
// 2. You do a subframe navigation. This is stored with transition type
// MANUAL_SUBFRAME.
// 3. You navigate to some non-frame site, say, google.com.
// 4. You navigate back to the page from step 2. Since it was initially
// MANUAL_SUBFRAME, it will be that same transition type here.
// We don't want that, because any navigation that changes the toplevel
// frame should be tracked as a toplevel navigation (this allows us to
// update the URL bar, etc).
params.transition = PageTransition::LINK;
}
if (params.transition == PageTransition::LINK &&
frame->GetDataSource()->IsFormSubmit()) {
params.transition = PageTransition::FORM_SUBMIT;
}
// If we have a valid consumed client redirect source,
// the page contained a client redirect (meta refresh, document.loc...),
// so we set the referrer and transition to match.
if (completed_client_redirect_src_.is_valid()) {
DCHECK(completed_client_redirect_src_ == params.redirects[0]);
params.referrer = completed_client_redirect_src_;
params.transition = static_cast<PageTransition::Type>(
params.transition | PageTransition::CLIENT_REDIRECT);
} else {
// Bug 654101: the referrer will be empty on https->http transitions. It
// would be nice if we could get the real referrer from somewhere.
params.referrer = GURL(initial_request.GetHttpReferrer());
}
std::string method = request.GetHttpMethod();
if (method == "POST")
params.is_post = true;
Send(new ViewHostMsg_FrameNavigate(routing_id_, params));
} else {
// Subframe navigation: the type depends on whether this navigation
// generated a new session history entry. When they do generate a session
// history entry, it means the user initiated the navigation and we should
// mark it as such. This test checks if this is the first time UpdateURL
// has been called since WillNavigateToURL was called to initiate the load.
if (page_id_ > last_page_id_sent_to_browser_)
params.transition = PageTransition::MANUAL_SUBFRAME;
else
params.transition = PageTransition::AUTO_SUBFRAME;
Send(new ViewHostMsg_FrameNavigate(routing_id_, params));
}
last_page_id_sent_to_browser_ =
std::max(last_page_id_sent_to_browser_, page_id_);
// If we end up reusing this WebRequest (for example, due to a #ref click),
// we don't want the transition type to persist.
if (navigation_state)
navigation_state->transition_type = PageTransition::LINK; // Just clear it.
#if defined(OS_WIN)
if (web_accessibility_manager_.get()) {
// Clear accessibility info cache.
web_accessibility_manager_->ClearAccObjMap(-1, true);
}
#else
// TODO(port): accessibility not yet implemented. See http://crbug.com/8288.
#endif
}
// Tell the embedding application that the title of the active page has changed
void RenderView::UpdateTitle(WebFrame* frame, const std::wstring& title) {
// Ignore all but top level navigations...
if (webview()->GetMainFrame() == frame) {
Send(new ViewHostMsg_UpdateTitle(
routing_id_,
page_id_,
title.length() > chrome::kMaxTitleChars ?
title.substr(0, chrome::kMaxTitleChars) : title));
}
}
void RenderView::UpdateEncoding(WebFrame* frame,
const std::wstring& encoding_name) {
// Only update main frame's encoding_name.
if (webview()->GetMainFrame() == frame &&
last_encoding_name_ != encoding_name) {
// Save the encoding name for later comparing.
last_encoding_name_ = encoding_name;
Send(new ViewHostMsg_UpdateEncoding(routing_id_, last_encoding_name_));
}
}
// Sends the previous session history state to the browser so it will be saved
// before we navigate to a new page. This must be called *before* the page ID
// has been updated so we know what it was.
void RenderView::UpdateSessionHistory(WebFrame* frame) {
// If we have a valid page ID at this point, then it corresponds to the page
// we are navigating away from. Otherwise, this is the first navigation, so
// there is no past session history to record.
if (page_id_ == -1)
return;
std::string state;
if (!webview()->GetMainFrame()->GetPreviousHistoryState(&state))
return;
Send(new ViewHostMsg_UpdateState(routing_id_, page_id_, state));
}
///////////////////////////////////////////////////////////////////////////////
// WebViewDelegate
bool RenderView::CanAcceptLoadDrops() const {
return renderer_preferences_.can_accept_load_drops;
}
void RenderView::DidStartLoading(WebView* webview) {
if (is_loading_) {
DLOG(WARNING) << "DidStartLoading called while loading";
return;
}
is_loading_ = true;
// Clear the pointer so that we can assign it only when there is an unknown
// plugin on a page.
first_default_plugin_ = NULL;
Send(new ViewHostMsg_DidStartLoading(routing_id_));
}
void RenderView::DidStopLoading(WebView* webview) {
if (!is_loading_) {
DLOG(WARNING) << "DidStopLoading called while not loading";
return;
}
is_loading_ = false;
// NOTE: For now we're doing the safest thing, and sending out notification
// when done loading. This currently isn't an issue as the favicon is only
// displayed when done loading. Ideally we would send notification when
// finished parsing the head, but webkit doesn't support that yet.
// The feed discovery code would also benefit from access to the head.
GURL favicon_url(webview->GetMainFrame()->GetFavIconURL());
if (!favicon_url.is_empty())
Send(new ViewHostMsg_UpdateFavIconURL(routing_id_, page_id_, favicon_url));
AddGURLSearchProvider(webview->GetMainFrame()->GetOSDDURL(),
true); // autodetected
Send(new ViewHostMsg_DidStopLoading(routing_id_));
MessageLoop::current()->PostDelayedTask(FROM_HERE,
method_factory_.NewRunnableMethod(&RenderView::CapturePageInfo, page_id_,
false),
kDelayForCaptureMs);
// The page is loaded. Try to process the file we need to upload if any.
ProcessPendingUpload();
// Since the page is done loading, we are sure we don't need to try
// again.
ResetPendingUpload();
}
void RenderView::DidCreateDataSource(WebFrame* frame, WebDataSource* ds) {
ds->SetExtraData(pending_navigation_state_.release());
}
void RenderView::DidStartProvisionalLoadForFrame(
WebView* webview,
WebFrame* frame,
NavigationGesture gesture) {
if (webview->GetMainFrame() == frame) {
navigation_gesture_ = gesture;
// Make sure redirect tracking state is clear for the new load.
completed_client_redirect_src_ = GURL();
}
WebDataSource* ds = frame->GetProvisionalDataSource();
if (ds) {
NavigationState* navigation_state =
static_cast<NavigationState*>(ds->GetExtraData());
if (navigation_state)
ds->SetRequestTime(navigation_state->request_time);
}
Send(new ViewHostMsg_DidStartProvisionalLoadForFrame(
routing_id_, webview->GetMainFrame() == frame,
frame->GetProvisionalDataSource()->GetRequest().GetURL()));
}
bool RenderView::DidLoadResourceFromMemoryCache(WebView* webview,
const WebRequest& request,
const WebResponse& response,
WebFrame* frame) {
// Let the browser know we loaded a resource from the memory cache. This
// message is needed to display the correct SSL indicators.
Send(new ViewHostMsg_DidLoadResourceFromMemoryCache(routing_id_,
request.GetURL(), frame->GetSecurityOrigin(),
frame->GetTop()->GetSecurityOrigin(),
response.GetSecurityInfo()));
return false;
}
void RenderView::DidReceiveProvisionalLoadServerRedirect(WebView* webview,
WebFrame* frame) {
if (frame == webview->GetMainFrame()) {
// Received a redirect on the main frame.
WebDataSource* data_source =
webview->GetMainFrame()->GetProvisionalDataSource();
if (!data_source) {
// Should only be invoked when we have a data source.
NOTREACHED();
return;
}
const std::vector<GURL>& redirects = data_source->GetRedirectChain();
if (redirects.size() >= 2) {
Send(new ViewHostMsg_DidRedirectProvisionalLoad(
routing_id_, page_id_, redirects[redirects.size() - 2],
redirects[redirects.size() - 1]));
}
}
}
void RenderView::DidFailProvisionalLoadWithError(WebView* webview,
const WebError& error,
WebFrame* frame) {
// Notify the browser that we failed a provisional load with an error.
//
// Note: It is important this notification occur before DidStopLoading so the
// SSL manager can react to the provisional load failure before being
// notified the load stopped.
//
WebDataSource* ds = frame->GetProvisionalDataSource();
DCHECK(ds);
const WebRequest& failed_request = ds->GetRequest();
bool show_repost_interstitial =
(error.GetErrorCode() == net::ERR_CACHE_MISS &&
LowerCaseEqualsASCII(failed_request.GetHttpMethod(), "post"));
Send(new ViewHostMsg_DidFailProvisionalLoadWithError(
routing_id_, frame == webview->GetMainFrame(),
error.GetErrorCode(), error.GetFailedURL(),
show_repost_interstitial));
// Don't display an error page if this is simply a cancelled load. Aside
// from being dumb, WebCore doesn't expect it and it will cause a crash.
if (error.GetErrorCode() == net::ERR_ABORTED)
return;
// If this is a failed back/forward/reload navigation, then we need to do a
// 'replace' load. This is necessary to avoid messing up session history.
// Otherwise, we do a normal load, which simulates a 'go' navigation as far
// as session history is concerned.
NavigationState* navigation_state =
static_cast<NavigationState*>(ds->GetExtraData());
bool replace = navigation_state && !navigation_state->is_new_navigation();
// Use the alternate error page service if this is a DNS failure or
// connection failure. ERR_CONNECTION_FAILED can be dropped once we no longer
// use winhttp.
int ec = error.GetErrorCode();
if (ec == net::ERR_NAME_NOT_RESOLVED ||
ec == net::ERR_CONNECTION_FAILED ||
ec == net::ERR_CONNECTION_REFUSED ||
ec == net::ERR_ADDRESS_UNREACHABLE ||
ec == net::ERR_TIMED_OUT) {
const GURL& failed_url = error.GetFailedURL();
const GURL& error_page_url = GetAlternateErrorPageURL(failed_url,
ec == net::ERR_NAME_NOT_RESOLVED ? WebViewDelegate::DNS_ERROR
: WebViewDelegate::CONNECTION_ERROR);
if (error_page_url.is_valid()) {
// Ask the WebFrame to fetch the alternate error page for us.
frame->LoadAlternateHTMLErrorPage(&failed_request, error, error_page_url,
replace, GURL(kUnreachableWebDataURL));
return;
}
}
// Fallback to a local error page.
LoadNavigationErrorPage(frame, &failed_request, error, std::string(),
replace);
}
void RenderView::LoadNavigationErrorPage(WebFrame* frame,
const WebRequest* failed_request,
const WebError& error,
const std::string& html,
bool replace) {
const GURL& failed_url = error.GetFailedURL();
std::string alt_html;
if (html.empty()) {
// Use a local error page.
int resource_id;
DictionaryValue error_strings;
if (error.GetErrorCode() == net::ERR_CACHE_MISS &&
LowerCaseEqualsASCII(failed_request->GetHttpMethod(), "post")) {
GetFormRepostErrorValues(failed_url, &error_strings);
resource_id = IDR_ERROR_NO_DETAILS_HTML;
} else {
GetLocalizedErrorValues(error, &error_strings);
resource_id = IDR_NET_ERROR_HTML;
}
error_strings.SetString(L"textdirection",
(l10n_util::GetTextDirection() == l10n_util::RIGHT_TO_LEFT) ?
L"rtl" : L"ltr");
alt_html = GetAltHTMLForTemplate(error_strings, resource_id);
} else {
alt_html = html;
}
// Use a data: URL as the site URL to prevent against XSS attacks.
scoped_ptr<WebRequest> request(failed_request->Clone());
request->SetURL(GURL(kUnreachableWebDataURL));
frame->LoadAlternateHTMLString(request.get(), alt_html, failed_url,
replace);
}
void RenderView::DidCommitLoadForFrame(WebView *webview, WebFrame* frame,
bool is_new_navigation) {
NavigationState* navigation_state = static_cast<NavigationState*>(
frame->GetDataSource()->GetExtraData());
if (is_new_navigation) {
// When we perform a new navigation, we need to update the previous session
// history entry with state for the page we are leaving.
UpdateSessionHistory(frame);
// We bump our Page ID to correspond with the new session history entry.
page_id_ = next_page_id_++;
MessageLoop::current()->PostDelayedTask(FROM_HERE,
method_factory_.NewRunnableMethod(&RenderView::CapturePageInfo,
page_id_, true),
kDelayForForcedCaptureMs);
} else {
// Inspect the navigation_state on the main frame (set in our Navigate
// method) to see if the navigation corresponds to a session history
// navigation... Note: |frame| may or may not be the toplevel frame, but
// for the case of capturing session history, the first committed frame
// suffices. We keep track of whether we've seen this commit before so
// that only capture session history once per navigation.
//
// Note that we need to check if the page ID changed. In the case of a
// reload, the page ID doesn't change, and UpdateSessionHistory gets the
// previous URL and the current page ID, which would be wrong.
if (navigation_state && !navigation_state->is_new_navigation() &&
!navigation_state->request_committed &&
page_id_ != navigation_state->pending_page_id()) {
// This is a successful session history navigation!
UpdateSessionHistory(frame);
page_id_ = navigation_state->pending_page_id();
}
}
// Remember that we've already processed this request, so we don't update
// the session history again. We do this regardless of whether this is
// a session history navigation, because if we attempted a session history
// navigation without valid HistoryItem state, WebCore will think it is a
// new navigation.
if (navigation_state)
navigation_state->request_committed = true;
UpdateURL(frame);
// If this committed load was initiated by a client redirect, we're
// at the last stop now, so clear it.
completed_client_redirect_src_ = GURL();
// Check whether we have new encoding name.
UpdateEncoding(frame, webview->GetMainFrameEncodingName());
}
void RenderView::DidReceiveTitle(WebView* webview,
const std::wstring& title,
WebFrame* frame) {
UpdateTitle(frame, title);
// Also check whether we have new encoding name.
UpdateEncoding(frame, webview->GetMainFrameEncodingName());
}
void RenderView::DidFinishLoadForFrame(WebView* webview, WebFrame* frame) {
if (webview->GetMainFrame() == frame) {
const GURL& url = frame->GetURL();
if (url.SchemeIs("http") || url.SchemeIs("https"))
DumpLoadHistograms();
}
}
void RenderView::DidFailLoadWithError(WebView* webview,
const WebError& error,
WebFrame* frame) {
}
void RenderView::DidFinishDocumentLoadForFrame(WebView* webview,
WebFrame* frame) {
Send(new ViewHostMsg_DocumentLoadedInFrame(routing_id_));
// Check whether we have new encoding name.
UpdateEncoding(frame, webview->GetMainFrameEncodingName());
if (RenderThread::current()) // Will be NULL during unit tests.
RenderThread::current()->user_script_slave()->InjectScripts(
frame, UserScript::DOCUMENT_END);
}
void RenderView::DidHandleOnloadEventsForFrame(WebView* webview,
WebFrame* frame) {
}
void RenderView::DidChangeLocationWithinPageForFrame(WebView* webview,
WebFrame* frame,
bool is_new_navigation) {
// If this was a reference fragment navigation that we initiated, then we
// could end up having a non-null pending navigation state. We just need to
// update the ExtraData on the datasource so that others who read the
// ExtraData will get the new NavigationState. Similarly, if we did not
// initiate this navigation, then we need to take care to clear any pre-
// existing navigation state.
frame->GetDataSource()->SetExtraData(pending_navigation_state_.release());
DidCommitLoadForFrame(webview, frame, is_new_navigation);
const string16& title =
webview->GetMainFrame()->GetDataSource()->GetPageTitle();
UpdateTitle(frame, UTF16ToWideHack(title));
}
void RenderView::DidReceiveIconForFrame(WebView* webview,
WebFrame* frame) {
}
void RenderView::WillPerformClientRedirect(WebView* webview,
WebFrame* frame,
const GURL& src_url,
const GURL& dest_url,
unsigned int delay_seconds,
unsigned int fire_date) {
}
void RenderView::DidCancelClientRedirect(WebView* webview,
WebFrame* frame) {
}
void RenderView::WillCloseFrame(WebView* view, WebFrame* frame) {
}
void RenderView::DidCompleteClientRedirect(WebView* webview,
WebFrame* frame,
const GURL& source) {
if (webview->GetMainFrame() == frame)
completed_client_redirect_src_ = source;
}
void RenderView::WillSendRequest(WebView* webview,
uint32 identifier,
WebRequest* request) {
request->SetRequestorID(routing_id_);
}
void RenderView::BindDOMAutomationController(WebFrame* webframe) {
dom_automation_controller_.set_message_sender(this);
dom_automation_controller_.set_routing_id(routing_id_);
dom_automation_controller_.BindToJavascript(webframe,
L"domAutomationController");
}
void RenderView::WindowObjectCleared(WebFrame* webframe) {
if (BindingsPolicy::is_dom_automation_enabled(enabled_bindings_))
BindDOMAutomationController(webframe);
if (BindingsPolicy::is_dom_ui_enabled(enabled_bindings_)) {
dom_ui_bindings_.set_message_sender(this);
dom_ui_bindings_.set_routing_id(routing_id_);
dom_ui_bindings_.BindToJavascript(webframe, L"chrome");
}
if (BindingsPolicy::is_external_host_enabled(enabled_bindings_)) {
external_host_bindings_.set_message_sender(this);
external_host_bindings_.set_routing_id(routing_id_);
external_host_bindings_.BindToJavascript(webframe, L"externalHost");
}
}
void RenderView::DocumentElementAvailable(WebFrame* frame) {
// TODO(mpcomplete): remove this before Chrome extensions ship.
// HACK. This is a temporary workaround to allow cross-origin XHR for Chrome
// extensions. It grants full access to every origin, when we really want
// to be able to restrict them more specifically.
if (frame->GetURL().SchemeIs(chrome::kExtensionScheme))
frame->GrantUniversalAccess();
// Tell extensions to self-register their js contexts.
// TODO(rafaelw): This is kind of gross. We need a way to call through
// the glue layer to retrieve the current v8::Context.
if (frame->GetURL().SchemeIs(chrome::kExtensionScheme))
ExtensionProcessBindings::RegisterExtensionContext(frame);
if (RenderThread::current()) // Will be NULL during unit tests.
RenderThread::current()->user_script_slave()->InjectScripts(
frame, UserScript::DOCUMENT_START);
}
WindowOpenDisposition RenderView::DispositionForNavigationAction(
WebView* webview,
WebFrame* frame,
const WebRequest* request,
WebNavigationType type,
WindowOpenDisposition disposition,
bool is_redirect) {
// GetExtraData is NULL when we did not issue the request ourselves (see
// OnNavigate), and so such a request may correspond to a link-click,
// script, or drag-n-drop initiated navigation.
bool is_content_initiated =
!frame->GetProvisionalDataSource()->GetExtraData();
// Webkit is asking whether to navigate to a new URL.
// This is fine normally, except if we're showing UI from one security
// context and they're trying to navigate to a different context.
const GURL& url = request->GetURL();
// We only care about navigations that are within the current tab (as opposed
// to, for example, opening a new window).
// But we sometimes navigate to about:blank to clear a tab, and we want to
// still allow that.
if (disposition == CURRENT_TAB && is_content_initiated &&
frame->GetParent() == NULL && !url.SchemeIs(chrome::kAboutScheme)) {
// When we received such unsolicited navigations, we sometimes want to
// punt them up to the browser to handle.
if (BindingsPolicy::is_dom_ui_enabled(enabled_bindings_) ||
frame->GetInViewSourceMode() ||
url.SchemeIs(chrome::kViewSourceScheme)) {
OpenURL(webview, url, GURL(), disposition);
return IGNORE_ACTION; // Suppress the load here.
}
}
// Detect when a page is "forking" a new tab that can be safely rendered in
// its own process. This is done by sites like Gmail that try to open links
// in new windows without script connections back to the original page. We
// treat such cases as browser navigations (in which we will create a new
// renderer for a cross-site navigation), rather than WebKit navigations.
//
// We use the following heuristic to decide whether to fork a new page in its
// own process:
// The parent page must open a new tab to about:blank, set the new tab's
// window.opener to null, and then redirect the tab to a cross-site URL using
// JavaScript.
bool is_fork =
// Must start from a tab showing about:blank, which is later redirected.
frame->GetURL() == GURL("about:blank") &&
// Must be the first real navigation of the tab.
GetHistoryBackListCount() < 1 &&
GetHistoryForwardListCount() < 1 &&
// The parent page must have set the child's window.opener to null before
// redirecting to the desired URL.
frame->GetOpener() == NULL &&
// Must be a top-level frame.
frame->GetParent() == NULL &&
// Must not have issued the request from this page.
is_content_initiated &&
// Must be targeted at the current tab.
disposition == CURRENT_TAB &&
// Must be a JavaScript navigation, which appears as "other".
type == WebNavigationTypeOther;
if (is_fork) {
// Open the URL via the browser, not via WebKit.
OpenURL(webview, url, GURL(), disposition);
return IGNORE_ACTION;
}
return disposition;
}
void RenderView::RunJavaScriptAlert(WebFrame* webframe,
const std::wstring& message) {
RunJavaScriptMessage(MessageBoxFlags::kIsJavascriptAlert,
message,
std::wstring(),
webframe->GetURL(),
NULL);
}
bool RenderView::RunJavaScriptConfirm(WebFrame* webframe,
const std::wstring& message) {
return RunJavaScriptMessage(MessageBoxFlags::kIsJavascriptConfirm,
message,
std::wstring(),
webframe->GetURL(),
NULL);
}
bool RenderView::RunJavaScriptPrompt(WebFrame* webframe,
const std::wstring& message,
const std::wstring& default_value,
std::wstring* result) {
return RunJavaScriptMessage(MessageBoxFlags::kIsJavascriptPrompt,
message,
default_value,
webframe->GetURL(),
result);
}
bool RenderView::RunJavaScriptMessage(int type,
const std::wstring& message,
const std::wstring& default_value,
const GURL& frame_url,
std::wstring* result) {
bool success = false;
std::wstring result_temp;
if (!result)
result = &result_temp;
IPC::SyncMessage* msg = new ViewHostMsg_RunJavaScriptMessage(
routing_id_, message, default_value, frame_url, type, &success, result);
msg->set_pump_messages_event(modal_dialog_event_.get());
Send(msg);
return success;
}
void RenderView::AddGURLSearchProvider(const GURL& osd_url, bool autodetected) {
if (!osd_url.is_empty())
Send(new ViewHostMsg_PageHasOSDD(routing_id_, page_id_, osd_url,
autodetected));
}
bool RenderView::RunBeforeUnloadConfirm(WebFrame* webframe,
const std::wstring& message) {
bool success = false;
// This is an ignored return value, but is included so we can accept the same
// response as RunJavaScriptMessage.
std::wstring ignored_result;
IPC::SyncMessage* msg = new ViewHostMsg_RunBeforeUnloadConfirm(
routing_id_, webframe->GetURL(), message, &success, &ignored_result);
msg->set_pump_messages_event(modal_dialog_event_.get());
Send(msg);
return success;
}
void RenderView::QueryFormFieldAutofill(const std::wstring& field_name,
const std::wstring& text,
int64 node_id) {
static int message_id_counter = 0;
form_field_autofill_request_id_ = message_id_counter++;
Send(new ViewHostMsg_QueryFormFieldAutofill(routing_id_,
field_name, text,
node_id,
form_field_autofill_request_id_));
}
void RenderView::RemoveStoredAutofillEntry(const std::wstring& name,
const std::wstring& value) {
Send(new ViewHostMsg_RemoveAutofillEntry(routing_id_, name, value));
}
void RenderView::OnReceivedAutofillSuggestions(
int64 node_id,
int request_id,
const std::vector<std::wstring>& suggestions,
int default_suggestion_index) {
if (!webview() || request_id != form_field_autofill_request_id_)
return;
webview()->AutofillSuggestionsForNode(node_id, suggestions,
default_suggestion_index);
}
void RenderView::OnPopupNotificationVisibilityChanged(bool visible) {
popup_notification_visible_ = visible;
}
void RenderView::ShowModalHTMLDialog(const GURL& url, int width, int height,
const std::string& json_arguments,
std::string* json_retval) {
IPC::SyncMessage* msg = new ViewHostMsg_ShowModalHTMLDialog(
routing_id_, url, width, height, json_arguments, json_retval);
msg->set_pump_messages_event(modal_dialog_event_.get());
Send(msg);
}
uint32 RenderView::GetCPBrowsingContext() {
uint32 context = 0;
Send(new ViewHostMsg_GetCPBrowsingContext(&context));
return context;
}
// Tell the browser to display a destination link.
void RenderView::UpdateTargetURL(WebView* webview, const GURL& url) {
if (url != target_url_) {
if (target_url_status_ == TARGET_INFLIGHT ||
target_url_status_ == TARGET_PENDING) {
// If we have a request in-flight, save the URL to be sent when we
// receive an ACK to the in-flight request. We can happily overwrite
// any existing pending sends.
pending_target_url_ = url;
target_url_status_ = TARGET_PENDING;
} else {
Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_, url));
target_url_ = url;
target_url_status_ = TARGET_INFLIGHT;
}
}
}
void RenderView::RunFileChooser(bool multi_select,
const string16& title,
const FilePath& default_filename,
WebFileChooserCallback* file_chooser) {
if (file_chooser_.get()) {
// TODO(brettw): bug 1235154: This should be a synchronous message to deal
// with the fact that web pages can programatically trigger this. With the
// asnychronous messages, we can get an additional call when one is pending,
// which this test is for. For now, we just ignore the additional file
// chooser request. WebKit doesn't do anything to expect the callback, so
// we can just ignore calling it.
delete file_chooser;
return;
}
file_chooser_.reset(file_chooser);
Send(new ViewHostMsg_RunFileChooser(routing_id_, multi_select, title,
default_filename));
}
void RenderView::AddMessageToConsole(WebView* webview,
const std::wstring& message,
unsigned int line_no,
const std::wstring& source_id) {
Send(new ViewHostMsg_AddMessageToConsole(routing_id_, message,
static_cast<int32>(line_no),
source_id));
}
void RenderView::AddSearchProvider(const std::string& url) {
AddGURLSearchProvider(GURL(url),
false); // not autodetected
}
void RenderView::DebuggerOutput(const std::wstring& out) {
Send(new ViewHostMsg_DebuggerOutput(routing_id_, out));
}
WebView* RenderView::CreateWebView(WebView* webview,
bool user_gesture,
const GURL& creator_url) {
// Check to make sure we aren't overloading on popups.
if (shared_popup_counter_->data > kMaximumNumberOfUnacknowledgedPopups)
return NULL;
// This window can't be closed from a window.close() call until we receive a
// message from the Browser process explicitly allowing it.
popup_notification_visible_ = true;
int32 routing_id = MSG_ROUTING_NONE;
ModalDialogEvent modal_dialog_event;
render_thread_->Send(
new ViewHostMsg_CreateWindow(routing_id_, user_gesture, &routing_id,
&modal_dialog_event));
if (routing_id == MSG_ROUTING_NONE) {
return NULL;
}
// The WebView holds a reference to this new RenderView
const WebPreferences& web_prefs = webview->GetPreferences();
base::WaitableEvent* waitable_event = new base::WaitableEvent
#if defined(OS_WIN)
(modal_dialog_event.event);
#else
(true, false);
#endif
RenderView* view = RenderView::Create(render_thread_,
NULL, waitable_event, routing_id_,
renderer_preferences_, web_prefs,
shared_popup_counter_, routing_id);
view->opened_by_user_gesture_ = user_gesture;
view->creator_url_ = creator_url;
// Copy over the alternate error page URL so we can have alt error pages in
// the new render view (we don't need the browser to send the URL back down).
view->alternate_error_page_url_ = alternate_error_page_url_;
return view->webview();
}
WebWidget* RenderView::CreatePopupWidget(WebView* webview,
bool activatable) {
RenderWidget* widget = RenderWidget::Create(routing_id_,
render_thread_,
activatable);
return widget->webwidget();
}
WebPluginDelegate* RenderView::CreatePluginDelegate(
WebView* webview,
const GURL& url,
const std::string& mime_type,
const std::string& clsid,
std::string* actual_mime_type) {
#if defined(OS_WIN) || defined(OS_LINUX)
if (!PluginChannelHost::IsListening())
return NULL;
GURL policy_url;
if (webview->GetMainFrame())
policy_url = webview->GetMainFrame()->GetURL();
FilePath path;
render_thread_->Send(
new ViewHostMsg_GetPluginPath(url, policy_url, mime_type, clsid, &path,
actual_mime_type));
if (path.value().empty())
return NULL;
std::string mime_type_to_use;
if (!actual_mime_type->empty())
mime_type_to_use = *actual_mime_type;
else
mime_type_to_use = mime_type;
#if !defined(OS_LINUX) // In-proc plugins aren't supported on Linux.
if (RenderProcess::current()->in_process_plugins()) {
return WebPluginDelegate::Create(path,
mime_type_to_use,
gfx::NativeViewFromId(host_window_));
}
#endif
WebPluginDelegateProxy* proxy =
WebPluginDelegateProxy::Create(url, mime_type_to_use, clsid, this);
if (!proxy)
return NULL;
// We hold onto the proxy so we can poke it when we are painting. See our
// DidPaint implementation below.
plugin_delegates_.push_back(proxy);
return proxy;
#else
// TODO(port): Plugins currently not supported
NOTIMPLEMENTED();
return NULL;
#endif
}
WebKit::WebMediaPlayer* RenderView::CreateWebMediaPlayer(
WebKit::WebMediaPlayerClient* client) {
scoped_refptr<media::FilterFactoryCollection> factory =
new media::FilterFactoryCollection();
// Add in any custom filter factories first.
const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
if (!cmd_line->HasSwitch(switches::kDisableAudio)) {
// Add the chrome specific audio renderer.
factory->AddFactory(
AudioRendererImpl::CreateFactory(audio_message_filter()));
}
if (!cmd_line->HasSwitch(switches::kSimpleDataSource)) {
// Add the chrome specific media data source.
factory->AddFactory(BufferedDataSource::CreateFactory(routing_id()));
}
return new webkit_glue::WebMediaPlayerImpl(client, factory);
}
void RenderView::OnMissingPluginStatus(WebPluginDelegate* delegate,
int status) {
#if defined(OS_WIN)
if (first_default_plugin_ == NULL) {
// Show the InfoBar for the first available plugin.
if (status == default_plugin::MISSING_PLUGIN_AVAILABLE) {
first_default_plugin_ = delegate;
Send(new ViewHostMsg_MissingPluginStatus(routing_id_, status));
}
} else {
// Closes the InfoBar if user clicks on the plugin (instead of the InfoBar)
// to start the download/install.
if (status == default_plugin::MISSING_PLUGIN_USER_STARTED_DOWNLOAD) {
Send(new ViewHostMsg_MissingPluginStatus(routing_id_, status));
}
}
#else
// TODO(port): plugins current not supported
NOTIMPLEMENTED();
#endif
}
WebWorker* RenderView::CreateWebWorker(WebWorkerClient* client) {
#if defined(OS_WIN)
return new WebWorkerProxy(client, RenderThread::current(), routing_id_);
#else
// TODO(port): out of process workers
NOTIMPLEMENTED();
return NULL;
#endif
}
void RenderView::OpenURL(WebView* webview, const GURL& url,
const GURL& referrer,
WindowOpenDisposition disposition) {
Send(new ViewHostMsg_OpenURL(routing_id_, url, referrer, disposition));
}
void RenderView::DidContentsSizeChange(WebWidget* webwidget,
int new_width,
int new_height) {
// We don't always want to send the change messages over IPC, only if we've
// be put in that mode by getting a |ViewMsg_EnableIntrinsicWidthChangedMode|
// message.
// TODO(rafaelw): Figure out where the best place to set this for extensions
// is. It isn't clean to test for ExtensionView by examining the
// enabled_bindings. This needs to be generalized as it becomes clear what
// extension toolbars need.
if (BindingsPolicy::is_extension_enabled(enabled_bindings_) ||
send_preferred_width_changes_) {
// WebCore likes to tell us things have changed even when they haven't, so
// cache the width and only send the IPC message when we're sure the
// width is different.
int width = webview()->GetMainFrame()->GetContentsPreferredWidth();
if (width != preferred_width_) {
Send(new ViewHostMsg_DidContentsPreferredWidthChange(routing_id_, width));
preferred_width_ = width;
}
}
}
// We are supposed to get a single call to Show for a newly created RenderView
// that was created via RenderView::CreateWebView. So, we wait until this
// point to dispatch the ShowView message.
//
// This method provides us with the information about how to display the newly
// created RenderView (i.e., as a constrained popup or as a new tab).
//
void RenderView::Show(WebWidget* webwidget, WindowOpenDisposition disposition) {
DCHECK(!did_show_) << "received extraneous Show call";
DCHECK(opener_id_ != MSG_ROUTING_NONE);
if (did_show_)
return;
did_show_ = true;
// NOTE: initial_pos_ may still have its default values at this point, but
// that's okay. It'll be ignored if disposition is not NEW_POPUP, or the
// browser process will impose a default position otherwise.
Send(new ViewHostMsg_ShowView(opener_id_, routing_id_, disposition,
initial_pos_, opened_by_user_gesture_, creator_url_));
SetPendingWindowRect(initial_pos_);
}
void RenderView::CloseWidgetSoon(WebWidget* webwidget) {
if (!popup_notification_visible_)
RenderWidget::CloseWidgetSoon(webwidget);
}
void RenderView::RunModal(WebWidget* webwidget) {
DCHECK(did_show_) << "should already have shown the view";
IPC::SyncMessage* msg = new ViewHostMsg_RunModal(routing_id_);
msg->set_pump_messages_event(modal_dialog_event_.get());
Send(msg);
}
void RenderView::SyncNavigationState() {
if (!webview())
return;
std::string state;
if (!webview()->GetMainFrame()->GetCurrentHistoryState(&state))
return;
Send(new ViewHostMsg_UpdateState(routing_id_, page_id_, state));
}
void RenderView::ShowContextMenu(WebView* webview,
ContextNode node,
int x,
int y,
const GURL& link_url,
const GURL& image_url,
const GURL& page_url,
const GURL& frame_url,
const std::wstring& selection_text,
const std::wstring& misspelled_word,
int edit_flags,
const std::string& security_info,
const std::string& frame_charset) {
ContextMenuParams params;
params.node = node;
params.x = x;
params.y = y;
params.image_url = image_url;
params.link_url = link_url;
params.unfiltered_link_url = link_url;
params.page_url = page_url;
params.frame_url = frame_url;
params.selection_text = selection_text;
params.misspelled_word = misspelled_word;
params.spellcheck_enabled =
webview->GetFocusedFrame()->SpellCheckEnabled();
params.edit_flags = edit_flags;
params.security_info = security_info;
params.frame_charset = frame_charset;
Send(new ViewHostMsg_ContextMenu(routing_id_, params));
}
void RenderView::StartDragging(WebView* webview,
const WebDragData& drag_data) {
Send(new ViewHostMsg_StartDragging(routing_id_, WebDropData(drag_data)));
}
void RenderView::TakeFocus(WebView* webview, bool reverse) {
Send(new ViewHostMsg_TakeFocus(routing_id_, reverse));
}
void RenderView::DidDownloadImage(int id,
const GURL& image_url,
bool errored,
const SkBitmap& image) {
Send(new ViewHostMsg_DidDownloadImage(routing_id_, id, image_url, errored,
image));
}
void RenderView::OnDownloadImage(int id,
const GURL& image_url,
int image_size) {
bool data_image_failed = false;
if (image_url.SchemeIs("data")) {
SkBitmap data_image = ImageFromDataUrl(image_url);
data_image_failed = data_image.empty();
if (!data_image_failed) {
Send(new ViewHostMsg_DidDownloadImage(routing_id_, id, image_url, false,
data_image));
}
}
if (data_image_failed || !webview()->DownloadImage(id, image_url, image_size))
Send(new ViewHostMsg_DidDownloadImage(routing_id_, id, image_url, true,
SkBitmap()));
}
SkBitmap RenderView::ImageFromDataUrl(const GURL& url) const {
std::string mime_type, char_set, data;
if (net::DataURL::Parse(url, &mime_type, &char_set, &data) && !data.empty()) {
// Decode the favicon using WebKit's image decoder.
webkit_glue::ImageDecoder decoder(gfx::Size(kFavIconSize, kFavIconSize));
const unsigned char* src_data =
reinterpret_cast<const unsigned char*>(&data[0]);
return decoder.Decode(src_data, data.size());
}
return SkBitmap();
}
void RenderView::OnGetApplicationInfo(int page_id) {
webkit_glue::WebApplicationInfo app_info;
if (page_id == page_id_)
webkit_glue::GetApplicationInfo(webview(), &app_info);
// Prune out any data URLs in the set of icons. The browser process expects
// any icon with a data URL to have originated from a favicon. We don't want
// to decode arbitrary data URLs in the browser process. See
// http://b/issue?id=1162972
for (size_t i = 0; i < app_info.icons.size(); ++i) {
if (app_info.icons[i].url.SchemeIs(chrome::kDataScheme)) {
app_info.icons.erase(app_info.icons.begin() + i);
--i;
}
}
Send(new ViewHostMsg_DidGetApplicationInfo(routing_id_, page_id, app_info));
}
GURL RenderView::GetAlternateErrorPageURL(const GURL& failedURL,
ErrorPageType error_type) {
if (failedURL.SchemeIsSecure()) {
// If the URL that failed was secure, then the embedding web page was not
// expecting a network attacker to be able to manipulate its contents. As
// we fetch alternate error pages over HTTP, we would be allowing a network
// attacker to manipulate the contents of the response if we tried to use
// the link doctor here.
return GURL::EmptyGURL();
}
// Grab the base URL from the browser process.
if (!alternate_error_page_url_.is_valid())
return GURL::EmptyGURL();
// Strip query params from the failed URL.
GURL::Replacements remove_params;
remove_params.ClearUsername();
remove_params.ClearPassword();
remove_params.ClearQuery();
remove_params.ClearRef();
const GURL url_to_send = failedURL.ReplaceComponents(remove_params);
// Construct the query params to send to link doctor.
std::string params(alternate_error_page_url_.query());
params.append("&url=");
params.append(EscapeQueryParamValue(url_to_send.spec()));
params.append("&sourceid=chrome");
params.append("&error=");
switch (error_type) {
case DNS_ERROR:
params.append("dnserror");
break;
case HTTP_404:
params.append("http404");
break;
case CONNECTION_ERROR:
params.append("connectionfailure");
break;
default:
NOTREACHED() << "unknown ErrorPageType";
}
// OK, build the final url to return.
GURL::Replacements link_doctor_params;
link_doctor_params.SetQueryStr(params);
GURL url = alternate_error_page_url_.ReplaceComponents(link_doctor_params);
return url;
}
void RenderView::OnFind(int request_id,
const string16& search_text,
const WebKit::WebFindOptions& options) {
WebFrame* main_frame = webview()->GetMainFrame();
WebFrame* frame_after_main = webview()->GetNextFrameAfter(main_frame, true);
WebFrame* focused_frame = webview()->GetFocusedFrame();
WebFrame* search_frame = focused_frame; // start searching focused frame.
bool multi_frame = (frame_after_main != main_frame);
// If we have multiple frames, we don't want to wrap the search within the
// frame, so we check here if we only have main_frame in the chain.
bool wrap_within_frame = !multi_frame;
WebRect selection_rect;
bool result = false;
do {
result = search_frame->Find(
request_id, search_text, options, wrap_within_frame, &selection_rect);
if (!result) {
// don't leave text selected as you move to the next frame.
search_frame->ClearSelection();
// Find the next frame, but skip the invisible ones.
do {
// What is the next frame to search? (we might be going backwards). Note
// that we specify wrap=true so that search_frame never becomes NULL.
search_frame = options.forward ?
webview()->GetNextFrameAfter(search_frame, true) :
webview()->GetPreviousFrameBefore(search_frame, true);
} while (!search_frame->Visible() && search_frame != focused_frame);
// Make sure selection doesn't affect the search operation in new frame.
search_frame->ClearSelection();
// If we have multiple frames and we have wrapped back around to the
// focused frame, we need to search it once more allowing wrap within
// the frame, otherwise it will report 'no match' if the focused frame has
// reported matches, but no frames after the focused_frame contain a
// match for the search word(s).
if (multi_frame && search_frame == focused_frame) {
result = search_frame->Find(
request_id, search_text, options, true, // Force wrapping.
&selection_rect);
}
}
// TODO(jcampan): http://b/issue?id=1157486 Remove StoreForFocus call once
// we have the fix for 792423.
search_frame->GetView()->StoreFocusForFrame(search_frame);
webview()->SetFocusedFrame(search_frame);
} while (!result && search_frame != focused_frame);
// Make sure we don't leave any frame focused or the focus won't be restored
// properly in WebViewImpl::SetFocus(). Note that we are talking here about
// focused on the SelectionController, not FocusController.
// webview()->GetFocusedFrame() will still return the last focused frame (as
// it queries the FocusController).
// TODO(jcampan): http://b/issue?id=1157486 Remove next line once we have the
// fix for 792423.
webview()->SetFocusedFrame(NULL);
if (options.findNext) {
// Force the main_frame to report the actual count.
main_frame->IncreaseMatchCount(0, request_id);
} else {
// If nothing is found, set result to "0 of 0", otherwise, set it to
// "-1 of 1" to indicate that we found at least one item, but we don't know
// yet what is active.
int ordinal = result ? -1 : 0; // -1 here means, we might know more later.
int match_count = result ? 1 : 0; // 1 here means possibly more coming.
// If we find no matches then this will be our last status update.
// Otherwise the scoping effort will send more results.
bool final_status_update = !result;
// Send the search result over to the browser process.
Send(new ViewHostMsg_Find_Reply(routing_id_,
request_id,
match_count,
selection_rect,
ordinal,
final_status_update));
// Scoping effort begins, starting with the mainframe.
search_frame = main_frame;
main_frame->ResetMatchCount();
do {
// Cancel all old scoping requests before starting a new one.
search_frame->CancelPendingScopingEffort();
// We don't start another scoping effort unless at least one match has
// been found.
if (result) {
// Start new scoping request. If the scoping function determines that it
// needs to scope, it will defer until later.
search_frame->ScopeStringMatches(request_id,
search_text,
options,
true); // reset the tickmarks
}
// Iterate to the next frame. The frame will not necessarily scope, for
// example if it is not visible.
search_frame = webview()->GetNextFrameAfter(search_frame, true);
} while (search_frame != main_frame);
}
}
void RenderView::ReportFindInPageMatchCount(int count, int request_id,
bool final_update) {
// If we have a message that has been queued up, then we should just replace
// it. The ACK from the browser will make sure it gets sent when the browser
// wants it.
if (queued_find_reply_message_.get()) {
IPC::Message* msg = new ViewHostMsg_Find_Reply(
routing_id_,
request_id,
count,
gfx::Rect(),
-1, // Don't update active match ordinal.
final_update);
queued_find_reply_message_.reset(msg);
} else {
// Send the search result over to the browser process.
Send(new ViewHostMsg_Find_Reply(
routing_id_,
request_id,
count,
gfx::Rect(),
-1, // // Don't update active match ordinal.
final_update));
}
}
void RenderView::ReportFindInPageSelection(int request_id,
int active_match_ordinal,
const WebRect& selection_rect) {
// Send the search result over to the browser process.
Send(new ViewHostMsg_Find_Reply(routing_id_,
request_id,
-1,
selection_rect,
active_match_ordinal,
false));
}
bool RenderView::WasOpenedByUserGesture() const {
return opened_by_user_gesture_;
}
void RenderView::SpellCheck(const std::wstring& word, int* misspell_location,
int* misspell_length) {
Send(new ViewHostMsg_SpellCheck(routing_id_, word, misspell_location,
misspell_length));
}
std::wstring RenderView::GetAutoCorrectWord(
const std::wstring& misspelled_word) {
std::wstring autocorrect_word;
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kAutoSpellCorrect)) {
Send(new ViewHostMsg_GetAutoCorrectWord(routing_id_, misspelled_word,
&autocorrect_word));
}
return autocorrect_word;
}
void RenderView::SetInputMethodState(bool enabled) {
// Save the updated IME status and mark the input focus has been updated.
// The IME status is to be sent to a browser process next time when
// the input caret is rendered.
if (!ime_control_busy_) {
ime_control_updated_ = true;
ime_control_new_state_ = enabled;
}
}
void RenderView::ScriptedPrint(WebFrame* frame) {
print_render_view_.reset(new PrintWebViewHelper(this));
print_render_view_->SyncPrint(frame);
print_render_view_.reset();
}
void RenderView::WebInspectorOpened(int num_resources) {
Send(new ViewHostMsg_InspectElement_Reply(routing_id_, num_resources));
}
void RenderView::UserMetricsRecordAction(const std::wstring& action) {
Send(new ViewHostMsg_UserMetricsRecordAction(routing_id_, action));
}
void RenderView::DnsPrefetch(const std::vector<std::string>& host_names) {
Send(new ViewHostMsg_DnsPrefetch(host_names));
}
void RenderView::OnZoom(int function) {
static const bool kZoomIsTextOnly = false;
switch (function) {
case PageZoom::SMALLER:
webview()->ZoomOut(kZoomIsTextOnly);
break;
case PageZoom::STANDARD:
webview()->ResetZoom();
break;
case PageZoom::LARGER:
webview()->ZoomIn(kZoomIsTextOnly);
break;
default:
NOTREACHED();
}
}
void RenderView::OnInsertText(const string16& text) {
WebFrame* frame = webview()->GetFocusedFrame();
if (!frame)
return;
WebTextInput* text_input = frame->GetTextInput();
if (text_input)
text_input->InsertText(text);
}
void RenderView::OnSetPageEncoding(const std::wstring& encoding_name) {
webview()->SetPageEncoding(encoding_name);
}
void RenderView::OnPasswordFormsSeen(WebView* webview,
const std::vector<PasswordForm>& forms) {
Send(new ViewHostMsg_PasswordFormsSeen(routing_id_, forms));
}
void RenderView::OnAutofillFormSubmitted(WebView* webview,
const AutofillForm& form) {
Send(new ViewHostMsg_AutofillFormSubmitted(routing_id_, form));
}
void RenderView::NavigateBackForwardSoon(int offset) {
history_back_list_count_ += offset;
history_forward_list_count_ -= offset;
Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
}
int RenderView::GetHistoryBackListCount() {
return history_back_list_count_;
}
int RenderView::GetHistoryForwardListCount() {
return history_forward_list_count_;
}
void RenderView::OnNavStateChanged(WebView* webview) {
if (!nav_state_sync_timer_.IsRunning()) {
nav_state_sync_timer_.Start(
TimeDelta::FromSeconds(delay_seconds_for_form_state_sync_), this,
&RenderView::SyncNavigationState);
}
}
void RenderView::SetTooltipText(WebView* webview,
const std::wstring& tooltip_text) {
Send(new ViewHostMsg_SetTooltipText(routing_id_, tooltip_text));
}
void RenderView::DidChangeSelection(bool is_empty_selection) {
#if defined(OS_LINUX)
// TODO(estade): investigate incremental updates to the selection so that we
// don't send the entire selection over IPC every time.
if (!is_empty_selection) {
// Sometimes we get repeated DidChangeSelection calls from webkit when
// the selection hasn't actually changed. We don't want to report these
// because it will cause us to continually claim the X clipboard.
const std::string& this_selection =
webview()->GetFocusedFrame()->GetSelection(false);
if (this_selection == last_selection_)
return;
Send(new ViewHostMsg_SelectionChanged(routing_id_,
this_selection));
last_selection_ = this_selection;
}
#endif
}
void RenderView::DownloadUrl(const GURL& url, const GURL& referrer) {
Send(new ViewHostMsg_DownloadUrl(routing_id_, url, referrer));
}
void RenderView::UpdateInspectorSettings(const std::wstring& raw_settings) {
Send(new ViewHostMsg_UpdateInspectorSettings(routing_id_, raw_settings));
}
WebDevToolsAgentDelegate* RenderView::GetWebDevToolsAgentDelegate() {
return devtools_agent_.get();
}
void RenderView::PasteFromSelectionClipboard() {
Send(new ViewHostMsg_PasteFromSelectionClipboard(routing_id_));
}
WebFrame* RenderView::GetChildFrame(const std::wstring& frame_xpath) const {
WebFrame* web_frame;
if (frame_xpath.empty()) {
web_frame = webview()->GetMainFrame();
} else {
web_frame = webview()->GetMainFrame()->GetChildFrame(frame_xpath);
}
return web_frame;
}
void RenderView::EvaluateScript(const std::wstring& frame_xpath,
const std::wstring& script) {
WebFrame* web_frame = GetChildFrame(frame_xpath);
if (!web_frame)
return;
web_frame->ExecuteScript(WebScriptSource(WideToUTF16Hack(script)));
}
void RenderView::InsertCSS(const std::wstring& frame_xpath,
const std::string& css) {
WebFrame* web_frame = GetChildFrame(frame_xpath);
if (!web_frame)
return;
web_frame->InsertCSSStyles(css);
}
void RenderView::OnScriptEvalRequest(const std::wstring& frame_xpath,
const std::wstring& jscript) {
EvaluateScript(frame_xpath, jscript);
}
void RenderView::OnCSSInsertRequest(const std::wstring& frame_xpath,
const std::string& css) {
InsertCSS(frame_xpath, css);
}
void RenderView::OnAddMessageToConsole(
const string16& frame_xpath,
const string16& message,
const WebConsoleMessage::Level& level) {
WebFrame* web_frame = GetChildFrame(UTF16ToWideHack(frame_xpath));
if (web_frame)
web_frame->AddMessageToConsole(WebConsoleMessage(level, message));
}
#if defined(OS_WIN)
void RenderView::OnDebugAttach() {
Send(new ViewHostMsg_DidDebugAttach(routing_id_));
// Tell the plugin host to stop accepting messages in order to avoid
// hangs while the renderer is paused.
// TODO(1243929): It might be an improvement to add more plumbing to do this
// when the renderer is actually paused vs. just the debugger being attached.
PluginChannelHost::SetListening(false);
}
void RenderView::OnDebugDetach() {
// Tell the plugin host to start accepting plugin messages again.
PluginChannelHost::SetListening(true);
}
#else // defined(OS_WIN)
// TODO(port): plugins not yet supported
void RenderView::OnDebugAttach() { NOTIMPLEMENTED(); }
void RenderView::OnDebugDetach() { NOTIMPLEMENTED(); }
#endif
void RenderView::OnAllowBindings(int enabled_bindings_flags) {
enabled_bindings_ |= enabled_bindings_flags;
}
void RenderView::OnSetDOMUIProperty(const std::string& name,
const std::string& value) {
DCHECK(BindingsPolicy::is_dom_ui_enabled(enabled_bindings_));
dom_ui_bindings_.SetProperty(name, value);
}
void RenderView::OnReservePageIDRange(int size_of_range) {
next_page_id_ += size_of_range + 1;
}
void RenderView::OnDragSourceEndedOrMoved(const gfx::Point& client_point,
const gfx::Point& screen_point,
bool ended) {
if (ended)
webview()->DragSourceEndedAt(client_point, screen_point);
else
webview()->DragSourceMovedTo(client_point, screen_point);
}
void RenderView::OnDragSourceSystemDragEnded() {
webview()->DragSourceSystemDragEnded();
}
void RenderView::OnUploadFileRequest(const ViewMsg_UploadFile_Params& p) {
webkit_glue::FileUploadData* f = new webkit_glue::FileUploadData;
f->file_path = p.file_path;
f->form_name = p.form;
f->file_name = p.file;
f->submit_name = p.submit;
// Build the other form values map.
if (!p.other_values.empty()) {
std::vector<std::wstring> e;
std::vector<std::wstring> kvp;
std::vector<std::wstring>::iterator i;
SplitString(p.other_values, L'\n', &e);
for (i = e.begin(); i != e.end(); ++i) {
SplitString(*i, L'=', &kvp);
if (kvp.size() == 2)
f->other_form_values[kvp[0]] = kvp[1];
kvp.clear();
}
}
pending_upload_data_.reset(f);
ProcessPendingUpload();
}
void RenderView::ProcessPendingUpload() {
webkit_glue::FileUploadData* f = pending_upload_data_.get();
if (f && webview() && webkit_glue::FillFormToUploadFile(webview(), *f))
ResetPendingUpload();
}
void RenderView::ResetPendingUpload() {
pending_upload_data_.reset();
}
void RenderView::OnFormFill(const FormData& form) {
webkit_glue::FillForm(this->webview(), form);
}
void RenderView::OnFillPasswordForm(
const PasswordFormDomManager::FillData& form_data) {
webkit_glue::FillPasswordForm(this->webview(), form_data);
}
void RenderView::OnDragTargetDragEnter(const WebDropData& drop_data,
const gfx::Point& client_point,
const gfx::Point& screen_point) {
bool is_drop_target = webview()->DragTargetDragEnter(
drop_data.ToDragData(),
drop_data.identity,
client_point,
screen_point);
Send(new ViewHostMsg_UpdateDragCursor(routing_id_, is_drop_target));
}
void RenderView::OnDragTargetDragOver(const gfx::Point& client_point,
const gfx::Point& screen_point) {
bool is_drop_target =
webview()->DragTargetDragOver(client_point, screen_point);
Send(new ViewHostMsg_UpdateDragCursor(routing_id_, is_drop_target));
}
void RenderView::OnDragTargetDragLeave() {
webview()->DragTargetDragLeave();
}
void RenderView::OnDragTargetDrop(const gfx::Point& client_point,
const gfx::Point& screen_point) {
webview()->DragTargetDrop(client_point, screen_point);
}
void RenderView::OnUpdateWebPreferences(const WebPreferences& prefs) {
webview()->SetPreferences(prefs);
}
void RenderView::OnSetAltErrorPageURL(const GURL& url) {
alternate_error_page_url_ = url;
}
void RenderView::OnInstallMissingPlugin() {
// This could happen when the first default plugin is deleted.
if (first_default_plugin_ == NULL)
return;
first_default_plugin_->InstallMissingPlugin();
}
void RenderView::OnFileChooserResponse(
const std::vector<FilePath>& file_names) {
// This could happen if we navigated to a different page before the user
// closed the chooser.
if (!file_chooser_.get())
return;
file_chooser_->OnFileChoose(file_names);
file_chooser_.reset();
}
void RenderView::OnEnableViewSourceMode() {
if (!webview())
return;
WebFrame* main_frame = webview()->GetMainFrame();
if (!main_frame)
return;
main_frame->SetInViewSourceMode(true);
}
void RenderView::OnEnableIntrinsicWidthChangedMode() {
send_preferred_width_changes_ = true;
}
void RenderView::OnSetRendererPrefs(const RendererPreferences& renderer_prefs) {
renderer_preferences_ = renderer_prefs;
}
void RenderView::OnUpdateBackForwardListCount(int back_list_count,
int forward_list_count) {
history_back_list_count_ = back_list_count;
history_forward_list_count_ = forward_list_count;
}
void RenderView::OnGetAccessibilityInfo(
const webkit_glue::WebAccessibility::InParams& in_params,
webkit_glue::WebAccessibility::OutParams* out_params) {
#if defined(OS_WIN)
if (!web_accessibility_manager_.get()) {
web_accessibility_manager_.reset(
webkit_glue::WebAccessibilityManager::Create());
}
if (!web_accessibility_manager_->GetAccObjInfo(webview(), in_params,
out_params)) {
return;
}
#else // defined(OS_WIN)
// TODO(port): accessibility not yet implemented
NOTIMPLEMENTED();
#endif
}
void RenderView::OnClearAccessibilityInfo(int acc_obj_id, bool clear_all) {
#if defined(OS_WIN)
if (!web_accessibility_manager_.get()) {
// If accessibility is not activated, ignore clearing message.
return;
}
if (!web_accessibility_manager_->ClearAccObjMap(acc_obj_id, clear_all))
return;
#else // defined(OS_WIN)
// TODO(port): accessibility not yet implemented
NOTIMPLEMENTED();
#endif
}
void RenderView::OnGetAllSavableResourceLinksForCurrentPage(
const GURL& page_url) {
// Prepare list to storage all savable resource links.
std::vector<GURL> resources_list;
std::vector<GURL> referrers_list;
std::vector<GURL> frames_list;
webkit_glue::SavableResourcesResult result(&resources_list,
&referrers_list,
&frames_list);
if (!webkit_glue::GetAllSavableResourceLinksForCurrentPage(webview(),
page_url,
&result)) {
// If something is wrong when collecting all savable resource links,
// send empty list to embedder(browser) to tell it failed.
referrers_list.clear();
resources_list.clear();
frames_list.clear();
}
// Send result of all savable resource links to embedder.
Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id_,
resources_list,
referrers_list,
frames_list));
}
void RenderView::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
const std::vector<GURL>& links,
const std::vector<FilePath>& local_paths,
const FilePath& local_directory_name) {
webkit_glue::DomSerializer dom_serializer(webview()->GetMainFrame(),
true,
this,
links,
local_paths,
local_directory_name);
dom_serializer.SerializeDom();
}
void RenderView::DidSerializeDataForFrame(const GURL& frame_url,
const std::string& data, PageSavingSerializationStatus status) {
Send(new ViewHostMsg_SendSerializedHtmlData(routing_id_,
frame_url, data, static_cast<int32>(status)));
}
void RenderView::OnMsgShouldClose() {
bool should_close = webview()->ShouldClose();
Send(new ViewHostMsg_ShouldClose_ACK(routing_id_, should_close));
}
void RenderView::OnClosePage(int new_render_process_host_id,
int new_request_id) {
// TODO(creis): We'd rather use webview()->Close() here, but that currently
// sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
// in the onunload handler from appearing. For now, we're bypassing that and
// calling the FrameLoader's CloseURL method directly. This should be
// revisited to avoid having two ways to close a page. Having a single way
// to close that can run onunload is also useful for fixing
// http://b/issue?id=753080.
WebFrame* main_frame = webview()->GetMainFrame();
if (main_frame)
main_frame->ClosePage();
Send(new ViewHostMsg_ClosePage_ACK(routing_id_,
new_render_process_host_id,
new_request_id));
}
void RenderView::OnThemeChanged() {
#if defined(OS_WIN)
gfx::NativeTheme::instance()->CloseHandles();
gfx::Rect view_rect(0, 0, size_.width(), size_.height());
DidInvalidateRect(webwidget_, view_rect);
#else // defined(OS_WIN)
// TODO(port): we don't support theming on non-Windows platforms yet
NOTIMPLEMENTED();
#endif
}
void RenderView::DidAddHistoryItem() {
// We don't want to update the history length for the start page
// navigation.
WebFrame* main_frame = webview()->GetMainFrame();
DCHECK(main_frame != NULL);
WebDataSource* ds = main_frame->GetDataSource();
DCHECK(ds != NULL);
NavigationState* navigation_state =
static_cast<NavigationState*>(ds->GetExtraData());
if (navigation_state &&
navigation_state->transition_type == PageTransition::START_PAGE)
return;
history_back_list_count_++;
history_forward_list_count_ = 0;
}
void RenderView::OnMessageFromExternalHost(const std::string& message,
const std::string& origin,
const std::string& target) {
if (message.empty())
return;
external_host_bindings_.ForwardMessageFromExternalHost(message, origin,
target);
}
void RenderView::OnDisassociateFromPopupCount() {
if (decrement_shared_popup_at_destruction_)
shared_popup_counter_->data--;
shared_popup_counter_ = new SharedRenderViewCounter(0);
decrement_shared_popup_at_destruction_ = false;
}
std::string RenderView::GetAltHTMLForTemplate(
const DictionaryValue& error_strings, int template_resource_id) const {
const StringPiece template_html(
ResourceBundle::GetSharedInstance().GetRawDataResource(
template_resource_id));
if (template_html.empty()) {
NOTREACHED() << "unable to load template. ID: " << template_resource_id;
return "";
}
// "t" is the id of the templates root node.
return jstemplate_builder::GetTemplateHtml(
template_html, &error_strings, "t");
}
MessageLoop* RenderView::GetMessageLoopForIO() {
// Assume that we have only one RenderThread in the process and the owner loop
// of RenderThread is an IO message loop.