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Issue 7831028: Compute pageScaleFactor on page so that fixed layout page fits width of window. (Closed) Base URL: http://git.chromium.org/git/chromium.git@trunk
Patch Set: Fixed common.gypi to have default value for enable_viewport Created 8 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "content/renderer/render_view_impl.h" 5 #include "content/renderer/render_view_impl.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <cmath> 8 #include <cmath>
9 #include <string> 9 #include <string>
10 #include <vector> 10 #include <vector>
11 11
12 #include "base/bind.h" 12 #include "base/bind.h"
13 #include "base/bind_helpers.h" 13 #include "base/bind_helpers.h"
14 #include "base/command_line.h" 14 #include "base/command_line.h"
15 #include "base/compiler_specific.h" 15 #include "base/compiler_specific.h"
16 #include "base/json/json_value_serializer.h" 16 #include "base/json/json_value_serializer.h"
17 #include "base/json/json_writer.h" 17 #include "base/json/json_writer.h"
18 #include "base/lazy_instance.h" 18 #include "base/lazy_instance.h"
19 #include "base/metrics/histogram.h" 19 #include "base/metrics/histogram.h"
20 #include "base/path_service.h" 20 #include "base/path_service.h"
21 #include "base/process_util.h" 21 #include "base/process_util.h"
22 #include "base/string_piece.h" 22 #include "base/string_piece.h"
23 #include "base/string_number_conversions.h"
23 #include "base/string_split.h" 24 #include "base/string_split.h"
24 #include "base/string_util.h" 25 #include "base/string_util.h"
25 #include "base/sys_string_conversions.h" 26 #include "base/sys_string_conversions.h"
26 #include "base/time.h" 27 #include "base/time.h"
27 #include "base/utf_string_conversions.h" 28 #include "base/utf_string_conversions.h"
28 #include "content/common/appcache/appcache_dispatcher.h" 29 #include "content/common/appcache/appcache_dispatcher.h"
29 #include "content/common/clipboard_messages.h" 30 #include "content/common/clipboard_messages.h"
30 #include "content/common/database_messages.h" 31 #include "content/common/database_messages.h"
31 #include "content/common/drag_messages.h" 32 #include "content/common/drag_messages.h"
32 #include "content/common/file_system/file_system_dispatcher.h" 33 #include "content/common/file_system/file_system_dispatcher.h"
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520 renderer_accessibility_ = new RendererAccessibility(this); 521 renderer_accessibility_ = new RendererAccessibility(this);
521 mouse_lock_dispatcher_ = new MouseLockDispatcher(this); 522 mouse_lock_dispatcher_ = new MouseLockDispatcher(this);
522 intents_host_ = new WebIntentsHost(this); 523 intents_host_ = new WebIntentsHost(this);
523 524
524 new IdleUserDetector(this); 525 new IdleUserDetector(this);
525 526
526 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 527 const CommandLine& command_line = *CommandLine::ForCurrentProcess();
527 if (command_line.HasSwitch(switches::kDomAutomationController)) 528 if (command_line.HasSwitch(switches::kDomAutomationController))
528 enabled_bindings_ |= content::BINDINGS_POLICY_DOM_AUTOMATION; 529 enabled_bindings_ |= content::BINDINGS_POLICY_DOM_AUTOMATION;
529 530
531 bool enable_fixed_layout =
532 command_line.HasSwitch(switches::kEnableFixedLayout);
533 webview()->enableFixedLayoutMode(enable_fixed_layout);
534 if (enable_fixed_layout)
535 webview()->settings()->setFixedElementsLayoutRelativeToFrame(true);
536 base::StringToInt(command_line.GetSwitchValueASCII(
537 switches::kDefaultDeviceScaleFactor),
538 &default_device_scale_factor_);
539
530 content::GetContentClient()->renderer()->RenderViewCreated(this); 540 content::GetContentClient()->renderer()->RenderViewCreated(this);
531 } 541 }
532 542
533 RenderViewImpl::~RenderViewImpl() { 543 RenderViewImpl::~RenderViewImpl() {
534 history_page_ids_.clear(); 544 history_page_ids_.clear();
535 545
536 if (decrement_shared_popup_at_destruction_) 546 if (decrement_shared_popup_at_destruction_)
537 shared_popup_counter_->data--; 547 shared_popup_counter_->data--;
538 548
539 // If file chooser is still waiting for answer, dispatch empty answer. 549 // If file chooser is still waiting for answer, dispatch empty answer.
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4360 4370
4361 void RenderViewImpl::OnMoveOrResizeStarted() { 4371 void RenderViewImpl::OnMoveOrResizeStarted() {
4362 if (webview()) 4372 if (webview())
4363 webview()->hidePopups(); 4373 webview()->hidePopups();
4364 } 4374 }
4365 4375
4366 void RenderViewImpl::OnResize(const gfx::Size& new_size, 4376 void RenderViewImpl::OnResize(const gfx::Size& new_size,
4367 const gfx::Rect& resizer_rect, 4377 const gfx::Rect& resizer_rect,
4368 bool is_fullscreen) { 4378 bool is_fullscreen) {
4369 if (webview()) { 4379 if (webview()) {
4380 // This setting has no effect if fixed layout is not enabled.
4381 if (default_device_scale_factor_)
4382 webview()->settings()->setLayoutFallbackWidth(
4383 new_size.width() / default_device_scale_factor_);
4370 webview()->hidePopups(); 4384 webview()->hidePopups();
4371 if (send_preferred_size_changes_) { 4385 if (send_preferred_size_changes_) {
4372 webview()->mainFrame()->setCanHaveScrollbars( 4386 webview()->mainFrame()->setCanHaveScrollbars(
4373 ShouldDisplayScrollbars(new_size.width(), new_size.height())); 4387 ShouldDisplayScrollbars(new_size.width(), new_size.height()));
4374 } 4388 }
4375 UpdateScrollState(webview()->mainFrame()); 4389 UpdateScrollState(webview()->mainFrame());
4376 } 4390 }
4377 4391
4378 RenderWidget::OnResize(new_size, resizer_rect, is_fullscreen); 4392 RenderWidget::OnResize(new_size, resizer_rect, is_fullscreen);
4379 } 4393 }
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5045 bool RenderViewImpl::WebWidgetHandlesCompositorScheduling() const { 5059 bool RenderViewImpl::WebWidgetHandlesCompositorScheduling() const {
5046 return !!RenderThreadImpl::current()->compositor_thread(); 5060 return !!RenderThreadImpl::current()->compositor_thread();
5047 } 5061 }
5048 5062
5049 void RenderViewImpl::OnJavaBridgeInit() { 5063 void RenderViewImpl::OnJavaBridgeInit() {
5050 DCHECK(!java_bridge_dispatcher_.get()); 5064 DCHECK(!java_bridge_dispatcher_.get());
5051 #if defined(ENABLE_JAVA_BRIDGE) 5065 #if defined(ENABLE_JAVA_BRIDGE)
5052 java_bridge_dispatcher_.reset(new JavaBridgeDispatcher(this)); 5066 java_bridge_dispatcher_.reset(new JavaBridgeDispatcher(this));
5053 #endif 5067 #endif
5054 } 5068 }
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