chrome/renderer/searchbox.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/renderer/searchbox.h"
   6
   7 #include "chrome/common/render_messages.h"
   8 #include "chrome/renderer/searchbox_extension.h"
   9 #include "content/public/renderer/render_view.h"
  10 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
  11
  12 using WebKit::WebView;
  13
  14 SearchBox::SearchBox(content::RenderView* render_view)
  15     : content::RenderViewObserver(render_view),
  16       content::RenderViewObserverTracker<SearchBox>(render_view),
  17       verbatim_(false),
  18       selection_start_(0),
  19       selection_end_(0) {
  20 }
  21
  22 SearchBox::~SearchBox() {
  23 }
  24
  25 void SearchBox::SetSuggestions(const std::vector<std::string>& suggestions,
  26                                InstantCompleteBehavior behavior) {
  27   // Explicitly allow empty vector to be sent to the browser.
  28   render_view()->Send(new ChromeViewHostMsg_SetSuggestions(
  29       render_view()->GetRoutingId(), render_view()->GetPageId(), suggestions,
  30       behavior));
  31 }
  32
  33 gfx::Rect SearchBox::GetRect() {
  34   // Need to adjust for scale.
  35   if (rect_.IsEmpty())
  36     return rect_;
  37   WebView* web_view = render_view()->GetWebView();
  38   if (!web_view)
  39     return rect_;
  40   double zoom = WebView::zoomLevelToZoomFactor(web_view->zoomLevel());
  41   if (zoom == 0)
  42     return rect_;
  43   return gfx::Rect(static_cast<int>(static_cast<float>(rect_.x()) / zoom),
  44                    static_cast<int>(static_cast<float>(rect_.y()) / zoom),
  45                    static_cast<int>(static_cast<float>(rect_.width()) / zoom),
  46                    static_cast<int>(static_cast<float>(rect_.height()) / zoom));
  47 }
  48
  49 bool SearchBox::OnMessageReceived(const IPC::Message& message) {
  50   bool handled = true;
  51   IPC_BEGIN_MESSAGE_MAP(SearchBox, message)
  52     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxChange, OnChange)
  53     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxSubmit, OnSubmit)
  54     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxCancel, OnCancel)
  55     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxResize, OnResize)
  56     IPC_MESSAGE_HANDLER(ChromeViewMsg_DetermineIfPageSupportsInstant,
  57                         OnDetermineIfPageSupportsInstant)
  58     IPC_MESSAGE_UNHANDLED(handled = false)
  59   IPC_END_MESSAGE_MAP()
  60   return handled;
  61 }
  62
  63 void SearchBox::OnChange(const string16& value,
  64                          bool verbatim,
  65                          int selection_start,
  66                          int selection_end) {
  67   value_ = value;
  68   verbatim_ = verbatim;
  69   selection_start_ = selection_start;
  70   selection_end_ = selection_end;
  71   if (!render_view()->GetWebView() || !render_view()->GetWebView()->mainFrame())
  72     return;
  73   extensions_v8::SearchBoxExtension::DispatchChange(
  74       render_view()->GetWebView()->mainFrame());
  75 }
  76
  77 void SearchBox::OnSubmit(const string16& value, bool verbatim) {
  78   value_ = value;
  79   verbatim_ = verbatim;
  80   if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
  81     extensions_v8::SearchBoxExtension::DispatchSubmit(
  82         render_view()->GetWebView()->mainFrame());
  83   }
  84   Reset();
  85 }
  86
  87 void SearchBox::OnCancel() {
  88   verbatim_ = false;
  89   if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
  90     extensions_v8::SearchBoxExtension::DispatchCancel(
  91         render_view()->GetWebView()->mainFrame());
  92   }
  93   Reset();
  94 }
  95
  96 void SearchBox::OnResize(const gfx::Rect& bounds) {
  97   rect_ = bounds;
  98   if (!render_view()->GetWebView() || !render_view()->GetWebView()->mainFrame())
  99     return;
 100   extensions_v8::SearchBoxExtension::DispatchResize(
 101       render_view()->GetWebView()->mainFrame());
 102 }
 103
 104 void SearchBox::OnDetermineIfPageSupportsInstant(const string16& value,
 105                                                  bool verbatim,
 106                                                  int selection_start,
 107                                                  int selection_end) {
 108   value_ = value;
 109   verbatim_ = verbatim;
 110   selection_start_ = selection_start;
 111   selection_end_ = selection_end;
 112   bool result = extensions_v8::SearchBoxExtension::PageSupportsInstant(
 113       render_view()->GetWebView()->mainFrame());
 114   render_view()->Send(new ChromeViewHostMsg_InstantSupportDetermined(
 115       render_view()->GetRoutingId(), render_view()->GetPageId(), result));
 116 }
 117
 118 void SearchBox::Reset() {
 119   verbatim_ = false;
 120   value_ = string16();
 121   selection_start_ = selection_end_ = 0;
 122   rect_ = gfx::Rect();
 123 }