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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::DetermineIfPageSupportsInstant() { |
| 44 Send(new ChromeViewMsg_DetermineIfPageSupportsInstant(routing_id())); |
| 45 } |
| 46 |
| 47 void InstantPage::SendAutocompleteResults( |
| 48 const std::vector<InstantAutocompleteResult>& results) { |
| 49 Send(new ChromeViewMsg_SearchBoxAutocompleteResults(routing_id(), results)); |
| 50 } |
| 51 |
| 52 void InstantPage::UpOrDownKeyPressed(int count) { |
| 53 Send(new ChromeViewMsg_SearchBoxUpOrDownKeyPressed(routing_id(), count)); |
| 54 } |
| 55 |
| 56 void InstantPage::SearchModeChanged(const chrome::search::Mode& mode) { |
| 57 Send(new ChromeViewMsg_SearchBoxModeChanged(routing_id(), mode)); |
| 58 } |
| 59 |
| 60 void InstantPage::SendThemeBackgroundInfo( |
| 61 const ThemeBackgroundInfo& theme_info) { |
| 62 Send(new ChromeViewMsg_SearchBoxThemeChanged(routing_id(), theme_info)); |
| 63 } |
| 64 |
| 65 void InstantPage::SendThemeAreaHeight(int height) { |
| 66 Send(new ChromeViewMsg_SearchBoxThemeAreaHeightChanged(routing_id(), height)); |
| 67 } |
| 68 |
| 69 void InstantPage::SetDisplayInstantResults(bool display_instant_results) { |
| 70 Send(new ChromeViewMsg_SearchBoxSetDisplayInstantResults( |
| 71 routing_id(), display_instant_results)); |
| 72 } |
| 73 |
| 74 void InstantPage::KeyCaptureChanged(bool is_key_capture_enabled) { |
| 75 Send(new ChromeViewMsg_SearchBoxKeyCaptureChanged( |
| 76 routing_id(), is_key_capture_enabled)); |
| 77 } |
| 78 |
| 79 InstantPage::InstantPage(Delegate* delegate) |
| 80 : delegate_(delegate), |
| 81 contents_(NULL), |
| 82 supports_instant_(false) { |
| 83 } |
| 84 |
| 85 void InstantPage::SetContents(content::WebContents* contents) { |
| 86 Observe(contents); |
| 87 contents_ = contents; |
| 88 } |
| 89 |
| 90 bool InstantPage::ShouldProcessRenderViewGone() const { |
| 91 return true; |
| 92 } |
| 93 |
| 94 bool InstantPage::ShouldProcessAboutToNavigateMainFrame() const { |
| 95 return true; |
| 96 } |
| 97 |
| 98 bool InstantPage::ShouldProcessSetSuggestions() const { |
| 99 return true; |
| 100 } |
| 101 |
| 102 bool InstantPage::ShouldProcessShowInstantPreview() const { |
| 103 return true; |
| 104 } |
| 105 |
| 106 bool InstantPage::ShouldProcessStartCapturingKeyStrokes() const { |
| 107 return true; |
| 108 } |
| 109 |
| 110 bool InstantPage::ShouldProcessStopCapturingKeyStrokes() const { |
| 111 return true; |
| 112 } |
| 113 |
| 114 bool InstantPage::ShouldProcessNavigateToURL() const { |
| 115 return true; |
| 116 } |
| 117 |
| 118 void InstantPage::DidFinishLoad( |
| 119 int64 /* frame_id */, |
| 120 const GURL& /* validated_url */, |
| 121 bool is_main_frame, |
| 122 content::RenderViewHost* /* render_view_host */) { |
| 123 if (is_main_frame && !supports_instant_) |
| 124 DetermineIfPageSupportsInstant(); |
| 125 } |
| 126 |
| 127 bool InstantPage::OnMessageReceived(const IPC::Message& message) { |
| 128 bool handled = true; |
| 129 IPC_BEGIN_MESSAGE_MAP(InstantPage, message) |
| 130 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SetSuggestions, OnSetSuggestions) |
| 131 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_InstantSupportDetermined, |
| 132 OnInstantSupportDetermined) |
| 133 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_ShowInstantPreview, |
| 134 OnShowInstantPreview) |
| 135 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_StartCapturingKeyStrokes, |
| 136 OnStartCapturingKeyStrokes); |
| 137 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_StopCapturingKeyStrokes, |
| 138 OnStopCapturingKeyStrokes); |
| 139 IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxNavigate, |
| 140 OnSearchBoxNavigate); |
| 141 IPC_MESSAGE_UNHANDLED(handled = false) |
| 142 IPC_END_MESSAGE_MAP() |
| 143 return handled; |
| 144 } |
| 145 |
| 146 void InstantPage::RenderViewGone(base::TerminationStatus status) { |
| 147 if (ShouldProcessRenderViewGone()) |
| 148 delegate_->InstantPageRenderViewGone(contents_); |
| 149 } |
| 150 |
| 151 void InstantPage::DidCommitProvisionalLoadForFrame( |
| 152 int64 frame_id, |
| 153 bool is_main_frame, |
| 154 const GURL& url, |
| 155 content::PageTransition transition_type, |
| 156 content::RenderViewHost* render_view_host) { |
| 157 if (is_main_frame && ShouldProcessAboutToNavigateMainFrame()) |
| 158 delegate_->InstantPageAboutToNavigateMainFrame(contents_, url); |
| 159 } |
| 160 |
| 161 void InstantPage::OnSetSuggestions( |
| 162 int page_id, |
| 163 const std::vector<InstantSuggestion>& suggestions) { |
| 164 if (contents_ && contents_->IsActiveEntry(page_id)) { |
| 165 OnInstantSupportDetermined(page_id, true); |
| 166 if (ShouldProcessSetSuggestions()) |
| 167 delegate_->SetSuggestions(contents_, suggestions); |
| 168 } |
| 169 } |
| 170 |
| 171 void InstantPage::OnInstantSupportDetermined(int page_id, |
| 172 bool supports_instant) { |
| 173 if (!contents_ || !contents_->IsActiveEntry(page_id) || supports_instant_) { |
| 174 // Nothing to do if the page already supports instant. |
| 175 return; |
| 176 } |
| 177 |
| 178 supports_instant_ = supports_instant; |
| 179 delegate_->InstantSupportDetermined(contents_, supports_instant); |
| 180 |
| 181 if (supports_instant) { |
| 182 // Inform the renderer process of the Omnibox's font information. |
| 183 // TODO(samarth): this logic doesn't really belong here. Move this to |
| 184 // InstantController. |
| 185 const gfx::Font& omnibox_font = |
| 186 ui::ResourceBundle::GetSharedInstance().GetFont( |
| 187 ui::ResourceBundle::MediumFont); |
| 188 string16 omnibox_font_name = UTF8ToUTF16(omnibox_font.GetFontName()); |
| 189 size_t omnibox_font_size = omnibox_font.GetFontSize(); |
| 190 |
| 191 Send(new ChromeViewMsg_SearchBoxFontInformation( |
| 192 routing_id(), omnibox_font_name, omnibox_font_size)); |
| 193 } else { |
| 194 // If the page doesn't support Instant, stop listening to it. |
| 195 Observe(NULL); |
| 196 } |
| 197 } |
| 198 |
| 199 void InstantPage::OnShowInstantPreview(int page_id, |
| 200 InstantShownReason reason, |
| 201 int height, |
| 202 InstantSizeUnits units) { |
| 203 if (contents_ && contents_->IsActiveEntry(page_id)) { |
| 204 OnInstantSupportDetermined(page_id, true); |
| 205 if (ShouldProcessShowInstantPreview()) |
| 206 delegate_->ShowInstantPreview(contents_, reason, height, units); |
| 207 } |
| 208 } |
| 209 |
| 210 void InstantPage::OnStartCapturingKeyStrokes(int page_id) { |
| 211 if (contents_ && contents_->IsActiveEntry(page_id)) { |
| 212 OnInstantSupportDetermined(page_id, true); |
| 213 if (ShouldProcessStartCapturingKeyStrokes()) |
| 214 delegate_->StartCapturingKeyStrokes(contents_); |
| 215 } |
| 216 } |
| 217 |
| 218 void InstantPage::OnStopCapturingKeyStrokes(int page_id) { |
| 219 if (contents_ && contents_->IsActiveEntry(page_id)) { |
| 220 OnInstantSupportDetermined(page_id, true); |
| 221 if (ShouldProcessStopCapturingKeyStrokes()) |
| 222 delegate_->StopCapturingKeyStrokes(contents_); |
| 223 } |
| 224 } |
| 225 |
| 226 void InstantPage::OnSearchBoxNavigate(int page_id, |
| 227 const GURL& url, |
| 228 content::PageTransition transition) { |
| 229 if (contents_ && contents_->IsActiveEntry(page_id)) { |
| 230 OnInstantSupportDetermined(page_id, true); |
| 231 if (ShouldProcessNavigateToURL()) |
| 232 delegate_->NavigateToURL(contents_, url, transition); |
| 233 } |
| 234 } |
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