1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
// Copyright 2013 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/browser/instant/instant_page.h"
#include "base/utf_string_conversions.h"
#include "chrome/common/render_messages.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/font.h"
InstantPage::Delegate::~Delegate() {
}
InstantPage::~InstantPage() {
}
void InstantPage::Update(const string16& text,
size_t selection_start,
size_t selection_end,
bool verbatim) {
Send(new ChromeViewMsg_SearchBoxChange(routing_id(), text, verbatim,
selection_start, selection_end));
}
void InstantPage::Submit(const string16& text) {
Send(new ChromeViewMsg_SearchBoxSubmit(routing_id(), text));
}
void InstantPage::Cancel(const string16& text) {
Send(new ChromeViewMsg_SearchBoxCancel(routing_id(), text));
}
void InstantPage::SetPopupBounds(const gfx::Rect& bounds) {
Send(new ChromeViewMsg_SearchBoxPopupResize(routing_id(), bounds));
}
void InstantPage::SetMarginSize(const int start, const int end) {
Send(new ChromeViewMsg_SearchBoxMarginChange(routing_id(), start, end));
}
void InstantPage::InitializeFonts() {
const gfx::Font& omnibox_font =
ui::ResourceBundle::GetSharedInstance().GetFont(
ui::ResourceBundle::MediumFont);
string16 omnibox_font_name = UTF8ToUTF16(omnibox_font.GetFontName());
size_t omnibox_font_size = omnibox_font.GetFontSize();
Send(new ChromeViewMsg_SearchBoxFontInformation(
routing_id(), omnibox_font_name, omnibox_font_size));
}
void InstantPage::DetermineIfPageSupportsInstant() {
Send(new ChromeViewMsg_DetermineIfPageSupportsInstant(routing_id()));
}
void InstantPage::SendAutocompleteResults(
const std::vector<InstantAutocompleteResult>& results) {
Send(new ChromeViewMsg_SearchBoxAutocompleteResults(routing_id(), results));
}
void InstantPage::UpOrDownKeyPressed(int count) {
Send(new ChromeViewMsg_SearchBoxUpOrDownKeyPressed(routing_id(), count));
}
void InstantPage::SearchModeChanged(const chrome::search::Mode& mode) {
Send(new ChromeViewMsg_SearchBoxModeChanged(routing_id(), mode));
}
void InstantPage::SendThemeBackgroundInfo(
const ThemeBackgroundInfo& theme_info) {
Send(new ChromeViewMsg_SearchBoxThemeChanged(routing_id(), theme_info));
}
void InstantPage::SendThemeAreaHeight(int height) {
Send(new ChromeViewMsg_SearchBoxThemeAreaHeightChanged(routing_id(), height));
}
void InstantPage::SetDisplayInstantResults(bool display_instant_results) {
Send(new ChromeViewMsg_SearchBoxSetDisplayInstantResults(
routing_id(), display_instant_results));
}
void InstantPage::KeyCaptureChanged(bool is_key_capture_enabled) {
Send(new ChromeViewMsg_SearchBoxKeyCaptureChanged(
routing_id(), is_key_capture_enabled));
}
InstantPage::InstantPage(Delegate* delegate)
: delegate_(delegate),
supports_instant_(false) {
}
void InstantPage::SetContents(content::WebContents* contents) {
Observe(contents);
}
bool InstantPage::ShouldProcessRenderViewCreated() {
return false;
}
bool InstantPage::ShouldProcessRenderViewGone() {
return false;
}
bool InstantPage::ShouldProcessAboutToNavigateMainFrame() {
return false;
}
bool InstantPage::ShouldProcessSetSuggestions() {
return false;
}
bool InstantPage::ShouldProcessShowInstantPreview() {
return false;
}
bool InstantPage::ShouldProcessStartCapturingKeyStrokes() {
return false;
}
bool InstantPage::ShouldProcessStopCapturingKeyStrokes() {
return false;
}
bool InstantPage::ShouldProcessNavigateToURL() {
return false;
}
void InstantPage::RenderViewCreated(content::RenderViewHost* render_view_host) {
if (ShouldProcessRenderViewCreated())
delegate_->InstantPageRenderViewCreated(contents());
}
void InstantPage::DidFinishLoad(
int64 /* frame_id */,
const GURL& /* validated_url */,
bool is_main_frame,
content::RenderViewHost* /* render_view_host */) {
if (is_main_frame && !supports_instant_)
DetermineIfPageSupportsInstant();
}
bool InstantPage::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(InstantPage, message)
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SetSuggestions, OnSetSuggestions)
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_InstantSupportDetermined,
OnInstantSupportDetermined)
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_ShowInstantPreview,
OnShowInstantPreview)
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_StartCapturingKeyStrokes,
OnStartCapturingKeyStrokes);
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_StopCapturingKeyStrokes,
OnStopCapturingKeyStrokes);
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxNavigate,
OnSearchBoxNavigate);
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void InstantPage::RenderViewGone(base::TerminationStatus /* status */) {
if (ShouldProcessRenderViewGone())
delegate_->InstantPageRenderViewGone(contents());
}
void InstantPage::DidCommitProvisionalLoadForFrame(
int64 /* frame_id */,
bool is_main_frame,
const GURL& url,
content::PageTransition /* transition_type */,
content::RenderViewHost* /* render_view_host */) {
if (is_main_frame && ShouldProcessAboutToNavigateMainFrame())
delegate_->InstantPageAboutToNavigateMainFrame(contents(), url);
}
void InstantPage::OnSetSuggestions(
int page_id,
const std::vector<InstantSuggestion>& suggestions) {
if (contents()->IsActiveEntry(page_id)) {
OnInstantSupportDetermined(page_id, true);
if (ShouldProcessSetSuggestions())
delegate_->SetSuggestions(contents(), suggestions);
}
}
void InstantPage::OnInstantSupportDetermined(int page_id,
bool supports_instant) {
if (!contents()->IsActiveEntry(page_id) || supports_instant_) {
// Nothing to do if the page already supports Instant.
return;
}
supports_instant_ = supports_instant;
delegate_->InstantSupportDetermined(contents(), supports_instant);
// If the page doesn't support Instant, stop listening to it.
if (!supports_instant)
Observe(NULL);
}
void InstantPage::OnShowInstantPreview(int page_id,
InstantShownReason reason,
int height,
InstantSizeUnits units) {
if (contents()->IsActiveEntry(page_id)) {
OnInstantSupportDetermined(page_id, true);
if (ShouldProcessShowInstantPreview())
delegate_->ShowInstantPreview(contents(), reason, height, units);
}
}
void InstantPage::OnStartCapturingKeyStrokes(int page_id) {
if (contents()->IsActiveEntry(page_id)) {
OnInstantSupportDetermined(page_id, true);
if (ShouldProcessStartCapturingKeyStrokes())
delegate_->StartCapturingKeyStrokes(contents());
}
}
void InstantPage::OnStopCapturingKeyStrokes(int page_id) {
if (contents()->IsActiveEntry(page_id)) {
OnInstantSupportDetermined(page_id, true);
if (ShouldProcessStopCapturingKeyStrokes())
delegate_->StopCapturingKeyStrokes(contents());
}
}
void InstantPage::OnSearchBoxNavigate(int page_id,
const GURL& url,
content::PageTransition transition) {
if (contents()->IsActiveEntry(page_id)) {
OnInstantSupportDetermined(page_id, true);
if (ShouldProcessNavigateToURL())
delegate_->NavigateToURL(contents(), url, transition);
}
}
|
