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| 1 // Copyright 2013 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/browser/instant/instant_page.h" |
| 6 |
| 7 #include "base/utf_string_conversions.h" |
| 8 #include "chrome/common/render_messages.h" |
| 9 #include "content/public/browser/web_contents.h" |
| 10 #include "ui/base/resource/resource_bundle.h" |
| 11 #include "ui/gfx/font.h" |
| 12 |
| 13 InstantPage::Delegate::~Delegate() { |
| 14 } |
| 15 |
| 16 InstantPage::~InstantPage() { |
| 17 } |
| 18 |
| 19 void InstantPage::Update(const string16& text, |
| 20 size_t selection_start, |
| 21 size_t selection_end, |
| 22 bool verbatim) { |
| 23 Send(new ChromeViewMsg_SearchBoxChange(routing_id(), text, verbatim, |
| 24 selection_start, selection_end)); |
| 25 } |
| 26 |
| 27 void InstantPage::Submit(const string16& text) { |
| 28 Send(new ChromeViewMsg_SearchBoxSubmit(routing_id(), text)); |
| 29 } |
| 30 |
| 31 void InstantPage::Cancel(const string16& text) { |
| 32 Send(new ChromeViewMsg_SearchBoxCancel(routing_id(), text)); |
| 33 } |
| 34 |
| 35 void InstantPage::SetPopupBounds(const gfx::Rect& bounds) { |
| 36 Send(new ChromeViewMsg_SearchBoxPopupResize(routing_id(), bounds)); |
| 37 } |
| 38 |
| 39 void InstantPage::SetMarginSize(const int start, const int end) { |
| 40 Send(new ChromeViewMsg_SearchBoxMarginChange(routing_id(), start, end)); |
| 41 } |
| 42 |
| 43 void InstantPage::InitializeFonts() { |
| 44 const gfx::Font& omnibox_font = |
| 45 ui::ResourceBundle::GetSharedInstance().GetFont( |
| 46 ui::ResourceBundle::MediumFont); |
| 47 string16 omnibox_font_name = UTF8ToUTF16(omnibox_font.GetFontName()); |
| 48 size_t omnibox_font_size = omnibox_font.GetFontSize(); |
| 49 Send(new ChromeViewMsg_SearchBoxFontInformation( |
| 50 routing_id(), omnibox_font_name, omnibox_font_size)); |
| 51 } |
| 52 |
| 53 void InstantPage::DetermineIfPageSupportsInstant() { |
| 54 Send(new ChromeViewMsg_DetermineIfPageSupportsInstant(routing_id())); |
| 55 } |
| 56 |
| 57 void InstantPage::SendAutocompleteResults( |
| 58 const std::vector<InstantAutocompleteResult>& results) { |
| 59 Send(new ChromeViewMsg_SearchBoxAutocompleteResults(routing_id(), results)); |
| 60 } |
| 61 |
| 62 void InstantPage::UpOrDownKeyPressed(int count) { |
| 63 Send(new ChromeViewMsg_SearchBoxUpOrDownKeyPressed(routing_id(), count)); |
| 64 } |
| 65 |
| 66 void InstantPage::SearchModeChanged(const chrome::search::Mode& mode) { |
| 67 Send(new ChromeViewMsg_SearchBoxModeChanged(routing_id(), mode)); |
| 68 } |
| 69 |
| 70 void InstantPage::SendThemeBackgroundInfo( |
| 71 const ThemeBackgroundInfo& theme_info) { |
| 72 Send(new ChromeViewMsg_SearchBoxThemeChanged(routing_id(), theme_info)); |
| 73 } |
| 74 |
| 75 void InstantPage::SendThemeAreaHeight(int height) { |
| 76 Send(new ChromeViewMsg_SearchBoxThemeAreaHeightChanged(routing_id(), height)); |
| 77 } |
| 78 |
| 79 void InstantPage::SetDisplayInstantResults(bool display_instant_results) { |
| 80 Send(new ChromeViewMsg_SearchBoxSetDisplayInstantResults( |
| 81 routing_id(), display_instant_results)); |
| 82 } |
| 83 |
| 84 void InstantPage::KeyCaptureChanged(bool is_key_capture_enabled) { |
| 85 Send(new ChromeViewMsg_SearchBoxKeyCaptureChanged( |
| 86 routing_id(), is_key_capture_enabled)); |
| 87 } |
| 88 |
| 89 InstantPage::InstantPage(Delegate* delegate) |
| 90 : delegate_(delegate), |
| 91 supports_instant_(false) { |
| 92 } |
| 93 |
| 94 void InstantPage::SetContents(content::WebContents* contents) { |
| 95 Observe(contents); |
| 96 } |
| 97 |
| 98 bool InstantPage::ShouldProcessRenderViewCreated() { |
| 99 return false; |
| 100 } |
| 101 |
| 102 bool InstantPage::ShouldProcessRenderViewGone() { |
| 103 return false; |
| 104 } |
| 105 |
| 106 bool InstantPage::ShouldProcessAboutToNavigateMainFrame() { |
| 107 return false; |
| 108 } |
| 109 |
| 110 bool InstantPage::ShouldProcessSetSuggestions() { |
| 111 return false; |
| 112 } |
| 113 |
| 114 bool InstantPage::ShouldProcessShowInstantPreview() { |
| 115 return false; |
| 116 } |
| 117 |
| 118 bool InstantPage::ShouldProcessStartCapturingKeyStrokes() { |
| 119 return false; |
| 120 } |
| 121 |
| 122 bool InstantPage::ShouldProcessStopCapturingKeyStrokes() { |
| 123 return false; |
| 124 } |
| 125 |
| 126 bool InstantPage::ShouldProcessNavigateToURL() { |
| 127 return false; |
| 128 } |
| 129 |
| 130 void InstantPage::RenderViewCreated(content::RenderViewHost* render_view_host) { |
| 131 if (ShouldProcessRenderViewCreated()) |
| 132 delegate_->InstantPageRenderViewCreated(contents()); |
| 133 } |
| 134 |
| 135 void InstantPage::DidFinishLoad( |
| 136 int64 /* frame_id */, |
| 137 const GURL& /* validated_url */, |
| 138 bool is_main_frame, |
| 139 content::RenderViewHost* /* render_view_host */) { |
| 140 if (is_main_frame && !supports_instant_) |
| 141 DetermineIfPageSupportsInstant(); |
| 142 } |
| 143 |
| 144 bool InstantPage::OnMessageReceived(const IPC::Message& message) { |
| 145 bool handled = true; |
| 146 IPC_BEGIN_MESSAGE_MAP(InstantPage, message) |
| 147 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SetSuggestions, OnSetSuggestions) |
| 148 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_InstantSupportDetermined, |
| 149 OnInstantSupportDetermined) |
| 150 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_ShowInstantPreview, |
| 151 OnShowInstantPreview) |
| 152 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_StartCapturingKeyStrokes, |
| 153 OnStartCapturingKeyStrokes); |
| 154 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_StopCapturingKeyStrokes, |
| 155 OnStopCapturingKeyStrokes); |
| 156 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxNavigate, |
| 157 OnSearchBoxNavigate); |
| 158 IPC_MESSAGE_UNHANDLED(handled = false) |
| 159 IPC_END_MESSAGE_MAP() |
| 160 return handled; |
| 161 } |
| 162 |
| 163 void InstantPage::RenderViewGone(base::TerminationStatus /* status */) { |
| 164 if (ShouldProcessRenderViewGone()) |
| 165 delegate_->InstantPageRenderViewGone(contents()); |
| 166 } |
| 167 |
| 168 void InstantPage::DidCommitProvisionalLoadForFrame( |
| 169 int64 /* frame_id */, |
| 170 bool is_main_frame, |
| 171 const GURL& url, |
| 172 content::PageTransition /* transition_type */, |
| 173 content::RenderViewHost* /* render_view_host */) { |
| 174 if (is_main_frame && ShouldProcessAboutToNavigateMainFrame()) |
| 175 delegate_->InstantPageAboutToNavigateMainFrame(contents(), url); |
| 176 } |
| 177 |
| 178 void InstantPage::OnSetSuggestions( |
| 179 int page_id, |
| 180 const std::vector<InstantSuggestion>& suggestions) { |
| 181 if (contents()->IsActiveEntry(page_id)) { |
| 182 OnInstantSupportDetermined(page_id, true); |
| 183 if (ShouldProcessSetSuggestions()) |
| 184 delegate_->SetSuggestions(contents(), suggestions); |
| 185 } |
| 186 } |
| 187 |
| 188 void InstantPage::OnInstantSupportDetermined(int page_id, |
| 189 bool supports_instant) { |
| 190 if (!contents()->IsActiveEntry(page_id) || supports_instant_) { |
| 191 // Nothing to do if the page already supports Instant. |
| 192 return; |
| 193 } |
| 194 |
| 195 supports_instant_ = supports_instant; |
| 196 delegate_->InstantSupportDetermined(contents(), supports_instant); |
| 197 |
| 198 // If the page doesn't support Instant, stop listening to it. |
| 199 if (!supports_instant) |
| 200 Observe(NULL); |
| 201 } |
| 202 |
| 203 void InstantPage::OnShowInstantPreview(int page_id, |
| 204 InstantShownReason reason, |
| 205 int height, |
| 206 InstantSizeUnits units) { |
| 207 if (contents()->IsActiveEntry(page_id)) { |
| 208 OnInstantSupportDetermined(page_id, true); |
| 209 if (ShouldProcessShowInstantPreview()) |
| 210 delegate_->ShowInstantPreview(contents(), reason, height, units); |
| 211 } |
| 212 } |
| 213 |
| 214 void InstantPage::OnStartCapturingKeyStrokes(int page_id) { |
| 215 if (contents()->IsActiveEntry(page_id)) { |
| 216 OnInstantSupportDetermined(page_id, true); |
| 217 if (ShouldProcessStartCapturingKeyStrokes()) |
| 218 delegate_->StartCapturingKeyStrokes(contents()); |
| 219 } |
| 220 } |
| 221 |
| 222 void InstantPage::OnStopCapturingKeyStrokes(int page_id) { |
| 223 if (contents()->IsActiveEntry(page_id)) { |
| 224 OnInstantSupportDetermined(page_id, true); |
| 225 if (ShouldProcessStopCapturingKeyStrokes()) |
| 226 delegate_->StopCapturingKeyStrokes(contents()); |
| 227 } |
| 228 } |
| 229 |
| 230 void InstantPage::OnSearchBoxNavigate(int page_id, |
| 231 const GURL& url, |
| 232 content::PageTransition transition) { |
| 233 if (contents()->IsActiveEntry(page_id)) { |
| 234 OnInstantSupportDetermined(page_id, true); |
| 235 if (ShouldProcessNavigateToURL()) |
| 236 delegate_->NavigateToURL(contents(), url, transition); |
| 237 } |
| 238 } |
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